JP2010074628A - Intercom system - Google Patents

Abstract

An intercom system having a child device and a parent device is provided with a high crime prevention effect for visitors.
A visitor image photographed by a camera 113 provided in a child device 10 is collated with face data 11 which is a face image of a past visitor stored in advance. If there is matching face data 11, the face data 11 and corresponding information, for example, related information such as name 14, previous visit date 15, and evaluation 16, are displayed on the monitor 114 of the slave unit 10. At the same time, if the resident does not want to visit, a comment 12 such as “visit refusal” is displayed on the monitor 114. Further, a recording comment 13 indicating that the face image is being recorded is displayed on the monitor 114 to make the visitor strongly recognize that his / her face is recorded.
[Selection] Figure 1

Description

  The present invention relates to an interphone system, and more specifically to an interphone system including a slave unit and a master unit.

  2. Description of the Related Art Conventionally, a system called a TV door phone has been widely used which displays a visitor image captured by a camera of a child device provided at a front door of a house on a monitor of the parent device provided in the room. The resident can see the image displayed on the monitor of the parent machine, check the visitor, and determine what kind of response is to be done while in the house.

There has also been proposed a TV door phone device that is provided with a TV monitor in a slave unit installed at a front door, etc., displays a captured image of a visitor, and allows the visitor to recognize his / her imaging state (for example, see Patent Document 1) ). In this television door phone device, the visitor himself / herself is made aware of being monitored by showing the visitor's video viewed by the resident to the visitor. As a result, crime prevention for visitors is improved through the TV door phone device.
JP 2005-184546 A

  However, in the television door phone device described in Patent Document 1, only a captured image of the visitor at that time is displayed on the television monitor of the slave unit provided at the entrance or the like. Therefore, even if the visitor is an unwanted visitor, such as a suspicious person, the act of the visitor trying to visit again is not suppressed, and the crime prevention effect may not be sufficient. It was.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an interphone system having a high crime prevention effect for visitors in an interphone system including a child device and a parent device. .

  In order to achieve the above object, an intercom system according to a first aspect of the present invention is an intercom system including a slave unit installed outdoors and a master unit connected to the slave unit and installed indoors. The slave unit acquires visitor information acquisition means for acquiring visitor information, which is information for identifying a visitor, and a visitor for transmitting the visitor information acquired by the visitor information acquisition unit to the master unit. Visitor information transmitting means, related information receiving means for receiving visitor related information that is related information of the visitor transmitted from the master unit, and the visitor related information received by the related information receiving means. Related information output means for outputting, and the master unit stores visitor information receiving means for receiving the visitor information transmitted from the visitor information transmitting means, and stores identification information and related information for a plurality of persons. You The identification information acquisition means for acquiring the identification information from the storage means, and the identification information acquired by the identification information acquisition means is compared with the visitor information received by the visitor information reception means, and the visitor A determination unit that determines whether or not the identification information that matches the information exists in the storage unit; and the determination unit that determines that the identification information that matches the visitor information exists in the storage unit The related information acquisition means for acquiring the related information corresponding to the identification information that matches the visitor information from the storage means as the visitor related information, and the visitor related information acquired by the related information acquisition means Related information transmitting means for transmitting the information to the handset.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect of the invention, the related information of the plurality of persons stored in the storage means relates to an evaluation of the plurality of persons. Including the information, wherein the related information acquisition means acquires a visitor evaluation, which is information relating to an evaluation included in the visitor related information.

  According to a third aspect of the present invention, in addition to the configuration of the second aspect of the invention, the related information output means provides the visitor with the contents corresponding to the visitor evaluation to the visitor. The notification information is output.

  According to a fourth aspect of the present invention, in addition to the configuration of the second aspect of the present invention, the related information output means includes a first evaluation in which the visitor evaluation is not more than a predetermined standard. Only when it shows that it is a result, the information of the notification which is a 1st evaluation result is output, It is characterized by the above-mentioned.

  In addition to the configuration of the invention according to any one of claims 2 to 4, the interphone system of the invention according to claim 5 is the second one in which the visitor evaluation is equal to or higher than a predetermined standard. If the result is an evaluation result, a call can be made with the handset.

  In addition to the configuration of the invention according to any one of claims 1 to 5, the intercom system according to the invention according to claim 6 is configured such that the related information output unit notifies the visitor that the recording is in progress. It is characterized by outputting information.

  In addition to the configuration of the invention according to any one of claims 1 to 6, the interphone system according to a seventh aspect of the invention includes the related information of the plurality of persons stored in the storage unit. Includes information related to a history of visiting the house where the parent device is installed, and the related information acquisition means includes a history of the visitor visiting the house in the past, which is included in the visitor related information. It is characterized by acquiring information on.

  Further, in the interphone system according to an eighth aspect of the invention, in addition to the configuration of the invention according to any one of the first to seventh aspects, the related information output means is a display unit, and the slave unit includes the It is characterized by comprising display control means for displaying the visitor related information transmitted from the parent machine on the display unit.

  In addition to the configuration of the invention according to claim 8, the interphone system of the invention according to claim 9 is characterized in that the related information of the plurality of persons stored in the storage means is the face images of the plurality of persons. The related information acquisition means acquires the face image of the visitor included in the visitor related information, and the display control means displays the face image of the visitor on the display unit. It is characterized by.

  According to a tenth aspect of the intercom system of the invention, in addition to the configuration of the invention according to any one of the first to ninth aspects, the visitor information acquiring means captures the visitor's face to capture the visitor. Imaging means for acquiring a visitor image, which is a person's face image, as the visitor information, wherein the visitor information transmission means transmits the visitor image captured by the imaging means to the parent device, and The visitor information receiving means receives the visitor image transmitted from the visitor information transmitting means, and the judging means stores the visitor image acquired by the visitor information receiving means and the storage means. The stored face images of the plurality of persons are collated to determine whether or not the face image matching the visitor image exists in the storage means, and the related information acquisition means is determined by the determination means. The visitor image and When it is determined that the matching face image exists in the storage unit, the related information corresponding to the face image that matches the visitor image is acquired as the visitor related information from the storage unit, and the related information The transmission means transmits the visitor related information acquired by the related information acquisition means to the slave unit.

  In addition to the configuration of the invention described in claim 10, the intercom system of the invention according to claim 11 includes a plurality of the image pickup means, and the plurality of image pickup means includes the face of the visitor. Images are taken from different angles, and the visitor information transmitting means transmits a plurality of the visitor images picked up by a plurality of the image pickup means to the master unit, and the judging means is sent by the visitor information receiving means. The plurality of visitor images captured from different angles received are collated with the plurality of face images captured from different angles of the plurality of persons stored in the storage unit, and the visitor images The intercom system according to claim 10, wherein it is determined whether or not the matching face image exists in the storage unit.

  In addition to the configuration of the invention according to any one of claims 1 to 11, an interphone system according to a twelfth aspect of the invention includes the storage device and the visitor transmitted from the slave unit. First input means for inputting the relevant information of the visitor corresponding to the visitor information, and storing the visitor information as the identification information in the storage means together with the relevant information inputted by the first input means. And a first storage control means.

  According to a thirteenth aspect of the interphone system, in addition to the configuration of the invention according to any one of the first to twelfth aspects, the related information of the plurality of persons stored in the storage unit includes the plurality of pieces of related information. Information related to the history of visits to other houses of the house, and the related information acquisition means includes information related to the history of visits to other houses of the house included in the visitor related information. It is characterized by acquiring.

  In addition to the configuration of the invention according to claim 13, the intercom system of the invention according to claim 14 is provided with the master unit and the slave unit in the house and the other house, respectively. The master unit and the storage means are each connectable to a network, and the master unit inputs the related information of the visitor corresponding to the visitor information transmitted from the slave unit. Two input means; and second storage control means for storing the visitor information as the identification information via the network together with the related information input by the second input means in the storage means, The identification information acquisition unit acquires the identification information from the storage unit via the network, and the related information acquisition unit acquires the identification information from the storage unit via the network. And acquires the serial visitor-related information.

In addition to the configuration of the invention according to claim 13, the intercom system of the invention according to claim 15 is provided with the master unit and the slave unit in the house and the other house, respectively. The master unit of the house and the master unit of the other house are connected to each other, and the master unit corresponds to the visitor information transmitted from the storage unit and the slave unit, Third input means for inputting the related information of a visitor, the storage means of the house, and the other house together with the related information input by the third input means, using the visitor information as the identification information. Further comprising third storage control means for storing in at least one of the storage means,
The identification information acquisition means acquires the identification information from at least one of the storage means of the house and the storage means of the other house, and the related information acquisition means includes the storage means of the house, and the The visitor related information is acquired from at least one of the storage means of other houses.

  In the intercom system according to the first aspect of the present invention, visitor information that is visitor information is transmitted from the slave unit to the master unit. The parent device receives visitor information and acquires identification information from the storage means. And it is judged whether the identification information and visitor information correspond. When there is identification information that matches the visitor information in the storage means, related information corresponding to the identification information that matches the visitor information is acquired from the storage means as visitor related information, and The visitor information is transmitted, and the visitor related information is received and output by the slave unit. Therefore, since the visitor has the consciousness that his / her information is recorded and is surely known to those who are in the room, the crime prevention effect can be enhanced. In particular, the suspicious person can be prevented from revisiting by notifying the suspicious person that the residents are wary.

  Further, in the intercom system of the invention according to claim 2, in addition to the effect of the invention according to claim 1, an evaluation for a visitor is acquired in the parent device, and the evaluation is transmitted from the parent device to the child device. Is output by the machine. Therefore, visitors can be made aware that they are being evaluated.

  In addition, in the intercom system of the invention according to claim 3, in addition to the effect of the invention of claim 2, notifications to visitors with different contents from the parent device to the child device according to the evaluation of the visitor, for example, Information such as welcome or rejection is transmitted and output by the slave unit. Therefore, the visitor can be informed of whether he / she is welcomed or rejected according to the notification of different contents.

  Further, in the intercom system of the invention according to claim 4, in addition to the effect of the invention of claim 2 or 3, the first evaluation result that the evaluation of the visitor from the master unit to the slave unit is below a predetermined standard In this case, notification information indicating the first evaluation is transmitted and output by the slave unit. Therefore, it is possible to make a visitor recognize that he / she is evaluated below a predetermined standard.

  Moreover, in the intercom system of the invention according to claim 5, in addition to the effect of the invention according to any one of claims 2 to 4, when the evaluation for the visitor is a second evaluation result that exceeds a predetermined standard Then, the master unit and the slave unit are ready to talk. Therefore, in the case of the visitor who is the second evaluation result, the resident of the house can respond to the visitor by voice.

  In addition, in the intercom system of the invention according to claim 6, in addition to the effect of the invention according to any one of claims 1 to 5, notification information indicating that a visitor is being recorded from the master unit to the slave unit is transmitted. And output by the slave unit. Therefore, it is possible to make the visitor strongly recognize that his / her own image is recorded.

  In addition, in the intercom system of the invention according to claim 7, in addition to the effect of the invention according to any one of claims 1 to 6, a history of visiting this house is transmitted from the master unit to the slave unit, and output by the slave unit Is done. Therefore, it is possible to make the visitor strongly aware that his / her past visit information is recorded.

  Moreover, in the intercom system of the invention according to claim 8, in addition to the effect of the invention according to any one of claims 1 to 7, the slave unit includes a display unit for displaying information and display control for controlling display of the information. Means. Therefore, information is displayed on the display unit, which can appeal to the sight of visitors.

  Moreover, in the intercom system of the invention according to claim 9, in addition to the effect of the invention of claim 8, the related information stored in the storage means of the master unit includes face images of a plurality of persons, A face image of the visitor included in the related information is acquired. Then, the face image is transmitted from the parent device to the child device, and the face image is displayed on the display unit by the child device. Therefore, the visitor can be made aware that the face image is actually stored.

  Further, in the intercom system of the invention according to claim 10, in addition to the effect of the invention according to any one of claims 1 to 9, the face image obtained by the slave unit is transmitted to the master unit and matches the face image. It is determined whether the face information to be stored is in the storage means. If it is determined that there is, the related information corresponding to the face information matching the face image is transmitted to the child device as visitor related information. Then, the visitor related information is displayed on the display unit of the slave unit. Therefore, a visitor can be specified by the method of recognition processing using a face image captured by the imaging means, and related information can be output.

  Moreover, in the intercom system according to the eleventh aspect, in addition to the effect of the tenth aspect, the face image of the visitor is picked up from a plurality of images at different angles by a plurality of video means. And it collates with the several face image imaged from the different angle memorize | stored in the memory | storage means. Therefore, a visitor can be recognized more correctly and it becomes less likely to judge a visitor by mistake.

  In the intercom system according to the twelfth aspect of the present invention, in addition to the effects of the invention according to any one of the first to eleventh aspects, the parent device includes a storage unit, and the parent device identifies the transmitted information from the child device. Information related to the visitor corresponding to the information is input. Then, the input related information and identification information are stored in the storage means. Therefore, the related information and identification information of visitors are stored in the storage means one after another, and the related information can be output to a large number of visitors in the slave unit, and the crime prevention effect can be enhanced.

  In addition, in the intercom system of the invention according to claim 13, in addition to the effect of the invention according to any of claims 1 to 12, information related to the history of visiting other houses of this house is transmitted from the parent machine to the child machine. And output by the slave unit. Therefore, it is possible to make the visitor strongly aware that his / her information is recorded in the entire area where the house is located.

  In the intercom system of the invention according to claim 14, in addition to the effect of the invention of claim 13, a parent machine and a child machine are respectively installed in the house and other houses, The machine and the master unit of another house are each connected to a network. Then, in the master unit, visitor related information corresponding to the visitor information transmitted from the slave unit is inputted, and the visitor information is stored as identification information via the network in the storage means together with the visitor related information. Is done. Further, the identification information acquisition means acquires identification information from the storage means via the network. Furthermore, the related information acquisition unit acquires visitor related information from the storage unit via the network. Therefore, not only the related information obtained in one's own house but also related information obtained in another house can be output from the slave unit.

  Further, in the intercom system according to the fifteenth aspect, in addition to the effect of the invention according to the thirteenth aspect, the master unit and the slave unit are installed in the house and the other houses, respectively. The machine and the master unit of another house are connected to each other. And the memory | storage means is provided in the main | base station of a house and another house. In the parent device, the visitor related information corresponding to the visitor information transmitted from the child device is input. Then, the visitor information is stored as identification information in at least one of the storage means of the house and the storage means of another house together with the related information of the visitor. Further, the master unit acquires the identification information from at least one of the storage means of the house and the storage means of another house. Further, the parent device acquires from at least one of the storage means of the house and the storage means of another house. Therefore, not only the related information obtained in one's own house but also related information obtained in another house can be output from the slave unit.

  Hereinafter, an embodiment of an intercom system 1 according to the present invention will be described with reference to the drawings. First, the configuration of the intercom system 1 will be described with reference to FIGS. 1 and 2. FIG. 1 is a front view of the handset 10 of the intercom system 1. FIG. 2 is a front view of the base unit 20 of the intercom system 1. 1 is defined as the upper side of the slave unit 10, the lower side of the page is defined as the lower side of the slave unit 10, the left side of the page is defined as the left side of the slave unit 10, and the right side of the page is defined as the right side of the slave unit 10. 2, the upper side of the page is defined as the upper side of the base unit 20, the lower side of the page is defined as the lower side of the base unit 20, the left side of the page is defined as the left side of the base unit 20, and the right side of the page is defined as the right side of the base unit 20.

  First, with reference to FIG. 1, the subunit | mobile_unit 10 which comprises the intercom system 1 is demonstrated. As shown in FIG. 1, the subunit | mobile_unit 10 is substantially square in front view. The handset 10 includes a microphone 111, a speaker 112, a camera 113, a monitor 114, and a call button 115. All these members are in a single plane that is visible in front view.

  The microphone 111 is a device that is provided on the lower right side of the child device 10 and converts an input voice of a visitor into a voice signal. The speaker 112 is a device that is provided on the left side of the microphone 111 and converts an audio signal input from the parent device 20 described later into sound and outputs the sound. The camera 113 is provided at substantially the center of the slave unit 10 and is, for example, a well-known CCD camera. The camera 113 captures a predetermined photographing range in front of the slave unit 10 and outputs an image signal of the photographed image. The predetermined photographing range is set in advance so as to include, for example, an area where a visitor's face standing facing the front of the child device 10 is predicted to be located. The monitor 114 occupies the upper half of the child device 10 and is a display device that performs a predetermined display to be described later based on an image signal transmitted from the parent device 20. The call button 115 is a button that is provided at the bottom of the slave unit 10 and in the center in the left-right direction, and is a button that informs a person in the house of the visit when pressed by the visitor.

  As shown in FIG. 1, the monitor 114 of the handset 10 includes a face data 11, a comment 12, a recording comment 13, a visitor name 14, and a previous time, which are images of a visitor's previous visit. A visit date 15 and a rating 16 for the visitor are displayed. The face data 11 is displayed on the right side of the monitor 114, the comment 12 is displayed on the lower right side of the monitor 114 so as to overlap the face data 11, and the recording comment 13 is at the top of the monitor 114, in the center in the left-right direction. Is displayed. The visitor's name 14, the previous visit date 15, and the evaluation 16 for the visitor are surrounded by a square on the left side of the monitor 114 and displayed together. Hereinafter, the visitor name 14, the previous visit date 15, and the evaluation 16 for the visitor will be referred to as related information.

  Next, with reference to FIG. 2, the master unit 20 configuring the intercom system 1 will be described. As shown in FIG. 2, the base unit 20 is substantially rectangular in front view. Master device 20 includes microphone 211, speaker 212, monitor 214, and operation panel 216. All these members are in a plane visible in the front view.

  The microphone 211 is a device that is provided at the lower right of the parent device 20 and converts the input voice of the resident to a voice signal. The speaker 212 is a device that is provided on the left side of the microphone 211 and that converts an audio signal input from the child device 10 into sound and outputs the sound. The monitor 214 is a display device that is provided on the uppermost part of the parent device 20 and displays an image and the like to be described later taken by the camera 113 of the child device 10. The operation panel 216 is provided at substantially the center of the parent device 20 and, as will be described in detail later, the resident can select an evaluation for a visitor to be displayed on the monitor 114 of the child device 10.

  As shown in FIG. 2, the monitor 214 of the main unit 20 includes a face image 21, a visitor comment 22, a visitor name 23, a visitor's last visit date 24, And a rating 25 for the visitor is displayed. The face image 21 is displayed on the right side of the monitor 214, and the visitor comment 22 is displayed on the top of the monitor 214 and in the center in the left-right direction. In addition, the visitor name 23, the previous visit date 24, and the visitor evaluation 25 are surrounded by a square on the left side of the monitor 214 and displayed together.

  Next, the electrical configuration of the intercom system 1 will be described with reference to FIG. FIG. 3 is a block diagram of the intercom system 1. As shown in FIG. 3, the intercom system 1 includes a slave unit 10 and a master unit 20.

  The subunit | mobile_unit 10 is provided with CPU101 as a controller which controls the subunit | mobile_unit 10, ROM102 which memorize | stored the program, etc., and RAM103 which memorize | stores data temporarily. The ROM 102 and RAM 103 are connected to the CPU 101 via the bus 117. In addition, a microphone 111 for an outdoor visitor to talk with a resident in the room, a speaker 112 for outputting the voice of the resident in the room, a camera 113 for photographing the visitor, and the master unit 20 are transmitted. A monitor 114 for displaying the face data and related information, a call button 115 for notifying the resident in the room of arrival of the visitor, and a communication I / F 150 for performing data communication with the parent device 20 Are also connected to the CPU 101 via the bus 117.

  The master unit 20 includes a CPU 201 as a controller that controls the master unit 20, a ROM 202 that stores programs, and a RAM 203 that temporarily stores data. The ROM 202 and RAM 203 are connected to the CPU 201 via the bus 217. Also, a microphone 211 for a resident in the room to talk with an outdoor visitor, a speaker 212 for outputting the voice of the outdoor visitor, a face image of the outdoor visitor, and related information are displayed. A monitor 214, an operation panel 216 for a resident to input information, a communication I / F 250 for performing data communication with the child device 10, and a face data storage area 2201 and a related information storage area 2202 described later. Similarly, the flash ROM 220 to be stored is connected to the CPU 201 via the bus 217.

  Next, a storage area of the flash ROM 220 provided in the base unit 20 of the intercom system 1 will be described with reference to FIGS. 3 to 5. FIG. 4 is a conceptual diagram showing a face data database in the face data storage area 2201. FIG. 5 is a conceptual diagram showing a database of related information in the related information storage area 2202. As shown in FIG. 3, the flash ROM 220 is provided with a face data storage area 2201 and a related information storage area 2202. As shown in FIG. 4, the face data storage area 2201 has an ID column 2201a for storing ID numbers, a face data column 2201b for storing face data, and a feature point data column for storing feature data of face data. 2201c is provided. In the face data column 2201b, face data that is image data of a plurality of faces of visitors who have visited in the past is stored in correspondence with the ID numbers in the ID column 2201a. The feature point data column 2201c stores feature point data of feature points plotted from the eyes, eyebrows, nose, and mouth extracted from the face data in correspondence with the ID numbers in the ID column 2201a. Further, as shown in FIG. 5, the related information storage area 2202 includes an ID column 2202a for storing an ID number, a name column 2202b for storing a name, a previous visit date column 2202c for storing a previous visit date, and a visitor's address. An evaluation column 2202d for storing the evaluation is provided. Then, the visitor name, the previous visit date, and the evaluation, which are related information associated with the ID number in the ID column 2201a of the face data storage area 2201, are stored. Here, although details will be described later, the name of the visitor is sometimes unknown, and therefore there is a blank in the name field 2202b in FIG. Although details will be described later, the face data in the face data column 2201b, the feature point data in the feature point data column 2201c, the visit date in the previous visit date column 2202c, and the evaluation in the evaluation column 2202d are as follows. Updated every time.

  Next, with reference to FIG.6 and FIG.7, the detail of operation | movement of the main | base station 20 of the intercom system 1 is demonstrated. FIG. 6 is a flowchart of main processing executed by the base unit 20 of the intercom system 1. FIG. 7 is a subroutine of visitor information registration processing executed by the base unit 20 of the intercom system 1. Hereinafter, each step of the flowchart is abbreviated as “S”.

  When a visitor presses the call button 115 (see FIG. 1) of the child device 10, a face image is acquired by the camera 113 (see FIG. 1) of the child device 10. Then, the face image is transmitted from the child device 10 to the parent device 20, the face image is acquired by the parent device 20, and stored in the RAM 203 (S10). Then, the face data acquired from the face data storage area 2201 (see FIG. 4) shown in FIG. 4 is stored in the RAM 203 and collated with the face image (S12).

  Here, various known methods can be used as the face image matching method, and an example thereof will be described. First, from the face image photographed by the camera 113 (see FIG. 1) of the handset 10, the feature point data of the face image, specifically, the feature amount data of the visitor's face characterized by the eyes, eyebrows, nose and mouth. To extract. Specifically, the feature point data is extracted by placing dots on the eyes, eyebrows, nose, and mouth of the face image and digitizing the direction of each feature point and the interval between each feature point. Further, the feature point data of the extracted face image and the face data of the eyes, eyebrows, nose, and mouth stored in the feature point data column 2201c (see FIG. 4) of the face data storage area 2201 of the flash ROM 220 are stored. The feature point data is compared with each other and collation is performed.

  Next, it is determined whether there is face data that matches the face image of the visitor (S14). When face data that matches the face image of the visitor exists in the face data storage area 2201 (see FIG. 4) (S14: YES), the related information of the ID number corresponding to the matching face data is present. It is acquired from the related information storage area 2202 (see FIG. 5) and stored in the RAM 203 (S22). Here, the presence of face data that matches the face image of the visitor indicates that the visitor has visited this house in the past.

  Next, update processing of face data and feature point data is performed (S23). In this process, the face data of the previous visit stored in the face data field 2201b (see FIG. 4) of the face data storage area 2201 is updated to the currently captured face image. Also, the feature point data stored in the feature point data column 2201c (see FIG. 4) in the face data storage area 2201 is updated to the current feature point data. Next, a visit date update process is performed (S24). In this processing, the visit date stored in the previous visit date column 2202c (see FIG. 5) in the related information storage area 2202 is updated to the date of the current day. Through these processes, the face data, the feature point data, and the visit date are stored in the latest state.

  Next, related information is displayed together with the face image of the visitor on the monitor 214 (see FIG. 2) of the parent device 20 (S25). Therefore, the residents can easily recognize current visitors who have visited this house in the past. Then, it is determined whether or not the evaluation for the visitor is good (S26). Here, when the “bad” button 2162 (see FIG. 2) that appears on the operation panel 216 (see FIG. 2) of the parent device 20 is pressed (S26: NO), an evaluation update process is performed (S31). In this process, the evaluation registered at the previous visit stored in the evaluation column 2202d (see FIG. 5) of the related information storage area 2202 is updated to an evaluation of “bad”. Next, a rejection message is transmitted to the child device 10 (S32). By displaying this message on the monitor 114 (see FIG. 1) of the child device 10, it is possible to inform the visitor that he / she is not welcomed.

  Next, a message indicating that recording is in progress is transmitted to the slave unit 10 (S34). By displaying this message on the monitor 114 (see FIG. 1) of the child device 10, it is possible to make the visitor strongly recognize that his / her own image is recorded. Next, face data that is an image of the face of the visitor at the previous visit is transmitted to the child device 10 (S36). By displaying the face data on the monitor 114 (see FIG. 1) of the child device 10, it is possible to make the visitor aware that the face image is actually stored.

  Next, related information corresponding to the face data is transmitted to the child device 10 (S38). This related information is displayed on the monitor 114 (see FIG. 1) of the child device 10. By responding to the visitor in this way through the handset 10, the visitor has the consciousness that his / her information is recorded and is surely known to those in the room. The effect can be enhanced. In particular, when the evaluation of “bad” is shown, it is possible to recognize that one is alert.

  When the “good” button 2161 (see FIG. 2) that appears on the operation panel 216 of the parent device 20 is pressed (S26: YES), an evaluation update process is performed (S27). In this process, the evaluation registered at the previous visit stored in the evaluation column 2202d (see FIG. 5) of the related information storage area 2202 is updated to an evaluation of “good”. Next, a welcome message is transmitted to the monitor 114 (see FIG. 1) of the child device 10 (S28). Next, the parent device 20 communicates with the child device 10 to be able to talk (S30). Therefore, a person who is in a house can respond to a visitor who has a “good” evaluation by voice.

  If face data that matches the face image of the visitor does not exist in the face data storage area 2201 (see FIG. 4) shown in FIG. 4 (S14: NO), the face image transmitted from the child device 10 is the parent data. The face image of the visitor is stored in the RAM 203 of the machine 20 and displayed on the monitor 214 of the parent machine 20 (S16). Next, a subroutine of visitor information registration processing (S20) described later is executed. Then, the main process ends.

  Next, the visitor information registration process will be described with reference to FIG. The visitor information registration process is a process for the first visitor when face data matching the visitor's face image does not exist in the face data storage area 2201 (see FIG. 4). Therefore, a process of registering the visitor's face image, feature point data, and relevant information of the visitor in the face data storage area 2201 (see FIG. 4) and the related information storage area 2202 (see FIG. 5) is performed.

  First, it is determined whether or not the evaluation for the visitor is good. (S50). When the “good” button 2161 (see FIG. 2) displayed on the operation panel 216 of the parent device 20 is pressed (S50: YES), a new ID is assigned and stored in the face data ID column 2201a. Then, the face image acquired by the parent device 20 in S10 of the main process is stored as face data in the corresponding face data field 2201b (see FIG. 4) (S66). Further, the feature point data is stored in the feature point data column 2201c (see FIG. 4) corresponding to the new ID (S66). Here, the feature point data is obtained by placing points on the eyes, eyebrows, nose, and mouth of the face image and digitizing the direction and position. Next, the evaluation “good” is stored in the evaluation column 2202d (see FIG. 5) corresponding to the new ID (S68). Next, the date of the day is stored in the previous visit date field 2203c (see FIG. 5) corresponding to the new ID (S70).

  Next, it is determined whether or not a name has been input (S72). In the present embodiment, a name is input by the keyboard that appears on the operation panel 216 in FIG. When the name is input (S72: YES), the name is stored in the name field 2202b (see FIG. 5) corresponding to the new ID (S74), and communication with the handset 10 is made possible (see FIG. 5). S76). When the name is not input (S72: NO), the terminal 10 immediately communicates with the child device 10 to enable a call. Here, the name of the visitor may not be known, and is not an essential storage item in the related information storage area 2202 (see FIG. 5). If the visitor is a suspicious person, it may be registered as “suspicious person A” or the like.

  When the “bad” button 2162 (see FIG. 2) displayed on the operation panel 216 of the parent device 20 is pressed (S50: NO), a new ID is assigned and stored in the face data ID column 2201a. The Then, the face image acquired by the parent device 20 in S10 of the main process is stored as face data in the corresponding face data field 2201b (see FIG. 4) (S52). Further, the feature point data is stored in the feature point data column 2201c (see FIG. 4) corresponding to the new ID (S52). Here, the feature point data is extracted by placing points on the eyes, eyebrows, nose, and mouth of the face image and digitizing the direction and position. Next, the evaluation “bad” is stored in the evaluation column 2202d (see FIG. 5) corresponding to the new ID (S54). Next, the date of the day is stored in the previous visit date field 2203c (see FIG. 5) corresponding to the new ID (S56). Next, it is determined whether or not a name has been input (S58). When the name is input (S58: YES), the name is stored in the name field 2202b (see FIG. 5) corresponding to the new ID (S60). As described above, when the visitor's face data, feature point data, and related information are stored one after another, the slave device can output related information to a large number of visitors, and the crime prevention effect can be enhanced. .

  Then, a message for refusal is transmitted to the child device 10 (S62), and “visit refusal” is displayed in the comment 12 of the monitor 114 of the child device 10. If the name is not input (S58: NO), a rejection message is immediately transmitted to the child device 10 (S62). Next, a recording message is transmitted to the slave unit 10 (S64). Then, the process returns to the main process.

  1 corresponds to the “visitor information acquisition means”, the face image acquired by the camera 113 corresponds to “visitor information”, and the monitor 114 of the slave unit 10 , Corresponding to “related information output means” and “display unit”, and the camera 113 corresponds to “imaging means”. Further, the operation panel 216 shown in FIG. 2 corresponds to “first input means”. 3 corresponds to “visitor information transmitting means” and “related information receiving means”, and the communication I / F 250 of the parent device 20 is referred to as “visitor information receiving means”. ”And“ related information transmission means ”, the flash ROM 220 of the parent device 20 corresponds to“ storage means ”, and the CPU 101 that controls the display on the monitor 114 of the child device 10 corresponds to“ display control means ”. . Also, the face data stored in the face data column 2201b shown in FIG. 4 corresponds to “identification information”. Further, the name stored in the name column 2202b, the previous visit date stored in the previous visit date column 2202c, and the evaluation stored in the evaluation column 2202d correspond to “related information”, respectively. Further, the evaluation of “good” or “bad” stored in the evaluation column 2202d of the related information storage area 2202 shown in FIG. 5 corresponds to “visitor evaluation”. In addition, the evaluation of “bad” and the evaluation of “good” stored in the evaluation column 2202d shown in FIG. 5 correspond to “first evaluation result” and “second evaluation result”, respectively. 6, the CPU 201 of the parent device 20 that acquires the face data and the feature point data from the face data storage area 2201 in S12 functions as an “identification information acquisition unit”, and matches the face image in S14. The CPU 201 of the parent device 20 that determines whether or not face data exists functions as a “determination unit”. 6, the CPU 201 of the parent device 20 that acquires the related information corresponding to the face data in S22 functions as a “related information acquisition unit”, and the related information transmitted in S38 is “visitor related information”. Is equivalent to. 7, the CPU 201 of the parent device 20 that stores the evaluation, name, and date of visit to the visitor in S54, S56, S60, S68, S70, and S74 functions as a “first storage control unit”. .

  As described above, according to the intercom system 1 of the present embodiment, a face image of a visitor is acquired by the slave unit 10 and transmitted to the master unit 20. The base unit 20 collates whether the same face data as the face image exists in the face data storage area 2201 of the flash ROM 220 owned by itself. As a result of the collation, when the same face data as the face image exists, the correspondence is changed by evaluating the visitor stored in the related information storage area 2202 of the flash ROM 220. If the visitor's evaluation is good, make it possible to talk immediately. On the other hand, if the evaluation for the visitor is bad, a message indicating refusal, a message indicating that the recording is being performed, the evaluation, and the previous visit date are transmitted to the child device 10 together with the face data of the visitor in the past. The information is displayed on the monitor 114 of the machine 10 as related information. If the visitor's face data is not in the face data storage area 2201 of the flash ROM 220, the visitor's information is newly stored in the face data storage area 2201. Therefore, since the visitor has the consciousness that his / her information is recorded and is surely known to those who are in the room, the crime prevention effect can be enhanced.

  The configuration of the intercom system shown in the above embodiment is an exemplification, and it goes without saying that the present invention can be variously modified.

  As shown in FIG. 8, an area visit history 91 in which a visitor visited another house in the area may be displayed on the monitor 114 of the handset 90. This makes it possible for visitors to be strongly aware that their information has been recorded throughout the area where the house is located. In this case, as shown in FIG. 9, a slave unit 500 is connected to the master unit 50 in a residential area, a slave unit 501 is connected to the master unit 51, and a slave unit 502 is connected to the master unit 52. The slave unit 503 is connected to the master unit 53. The parent devices 50 to 53 are connected to each other via the network 5. A server 80 is also connected to the network 5. The server 80 is provided with a face data storage area 801 and a related information storage area 802 similar to the face data storage area 2201 and the related information storage area 2202 of the above-described embodiment. As shown in FIG. 10, the parent device 50 is connected to the network 5 via an external communication I / F 510. Here, although FIG. 10 illustrates the parent device 50, the parent devices 51 to 53 have the same configuration. In FIG. 10, the same components as those in the first embodiment are denoted by the same reference numerals.

  With reference to FIG. 6 and FIG. 7, this modification will be described with a focus on portions different from the above-described embodiment. In the process of collating the face image with the face data shown in FIG. 6, the face data is obtained from the face data storage area 801 of the server 80 on the network 5 and collated with the face image of the visitor. (S12). Further, in the process of acquiring the related information corresponding to the face data, the related information is acquired from the related information storage area 802 (see FIG. 9) of the server 80 (S22). In the process of updating the face data and feature point data, the face data and feature point data stored in the face data storage area 801 of the server 80 are updated (S23). In the process of updating the visit date, the visit date stored in the related information storage area 802 of the server 80 is updated (S24). In the process of updating the evaluation, the evaluation stored in the related information storage area 802 of the server 80 is updated (S27 or S31).

  In the process of storing the face image and feature point data shown in FIG. 7, the face image and feature point data are stored in the face data storage area 801 of the server 80 (S52 or S66). In the process of storing the evaluation, the evaluation is stored in the related information storage area 802 of the server 80 on the network (S54 or S68). In the process of storing the visit date, the visit date is stored in the related information storage area 802 of the server 80 on the network (S56 or S70). In the process of storing the name, the name is stored in the related information storage area 802 of the server 80 on the network (S60 or S74).

  9 and 10, the operation panel 216 of the parent devices 50 to 53 for inputting related information corresponds to “second input means”. Further, the CPU 201 of the parent device 50 to 53 that stores the face image shown in FIG. 9 and FIG. 10 as face data that is identification information together with related information in the server 80 via the network 5 performs “second storage control”. It corresponds to “means”.

  Further, as shown in FIG. 11 and FIG. 12, two households may have a face data storage area and a related information storage area, and share each other's face data storage area and a related information storage area. . Thereby, not only the related information obtained in one's own house but also the related information obtained in another house can be output from the monitor of the slave unit. In this case, as shown in FIG. 11, the parent device 60 of the house is connected to the child device 600, and the parent device 61 of another house is connected to the child device 601. The parent device 60 and the parent device 61 are connected to each other via the network 5. As shown in FIG. 12, the flash ROM 600 is connected to the CPU 201 via the bus 217 in the parent device 60. The flash ROM 600 is provided with a face data storage area 6001 and a related information storage area 6002 similar to the face data storage area 2201 and the related information storage area 2202 of the above-described embodiment. And it is connected to the network 5 via the external communication I / F 610. Here, in FIG. 12, the parent device 60 is illustrated, but the parent device 61 has the same configuration. In FIG. 12, the same components as those in the first embodiment are denoted by the same reference numerals.

  With reference to FIG. 6 and FIG. 7, this modification will be described with a focus on portions different from the above-described embodiment. In this modification, in S52, S54, S56, and S60 and S66, S68, S70, and S74 shown in FIG. 7, the CPU 201 stores the face image and related information only in the flash ROM of its own master unit. May be. That is, CPU 201 of base unit 60 stores information such as face data only in flash ROM 600 of base unit 60, and CPU 201 of base unit 61 stores information such as face data only in flash ROM 600 of base unit 61. good. In this case, in S12 and S22 shown in FIG. 6, each CPU 201 may acquire information such as face data not only from the flash ROM of its own parent machine but also from the flash ROM of another parent machine.

  Further, in S52, S54, S56, and S60 and S66, S68, S70, and S74 shown in FIG. 7, the CPU 201 sends the face image and related information to the flash ROM of its own parent device and the flashes of other parent devices. You may memorize | store in both ROM. That is, the CPU 201 of the parent device 60 stores information such as face data in both the flash ROM 600 of the parent device 60 and the flash ROM 600 of the parent device 61. Similarly, the CPU 201 of the parent device 61 also stores the flash of the parent device 60. Information such as face data may be stored in both the ROM 600 and the flash ROM 600 of the parent device 61. In this case, in S12 and S22 shown in FIG. 6, if each CPU 201 obtains information such as face data from only the flash ROM 600 of its own parent device, it obtains information for two houses.

  In the modification of FIGS. 11 and 12, the operation panel 216 of the parent devices 50 to 53 for inputting related information corresponds to “third input means”. Further, the CPU 201 of the parent devices 60 and 61 that stores the face image shown in FIGS. 11 and 12 as face data that is identification information together with related information in the flash ROM 600 corresponds to the “third storage control unit”. .

  As shown in FIG. 13, the handset 100 may be provided with a plurality of cameras 116. A plurality of cameras 116 capture images of visitors from different angles. Similarly, a plurality of face data of one visitor photographed from different angles are also stored in the face data storage area. Then, at the time of collation, the face image and face data captured by the corresponding cameras are compared. Therefore, since the master unit has a plurality of determination criteria, the accuracy of matching the face image and the face data is improved, and the visitor is not erroneously determined.

  The information used for the visitor verification is not limited to the feature point data obtained from the image data of the face image and using the eye, eyebrows, nose and mouth as feature points and the facial feature quantity as numerical data. For example, iris data obtained from the face image may be used, or fingerprint data of the fingertip of the hand may be used. Furthermore, voiceprint data that is human voice data may be used.

  Further, the method of outputting the visitor related information is not limited to the display on the monitor 114 of the slave unit. For example, “Your evaluation is bad. Therefore, the call is rejected” may be output from the speaker 112 by voice. Further, it is not necessary to output all information of the name, previous visit date, evaluation, visit refusal comment, and recording comment output in the above-described embodiment, and at least one of them may be output.

  In addition, when using a server on the network as in the modification shown in FIG. 9, not only information input from the master unit of each house in the area, but also information from other organizations and companies, for example, suspicious Person information etc. may also be stored in the server.

  Further, the intercom system of the above-described embodiment may be applied not only to a house but also to a company or a building. In this case, the crime prevention effect can be enhanced in a company, a building, or the like as in the case of applying the intercom system to a house.

It is a front view of the subunit | mobile_unit 10 of the intercom system 1. FIG. It is a front view of the main | base station 20 of the intercom system 1. FIG. 1 is a block diagram of an intercom system 1. FIG. 3 is a conceptual diagram showing a face data database in a face data storage area 2201. FIG. 6 is a conceptual diagram showing a database of related information in a related information storage area 2202; FIG. 3 is a flowchart of main processing of the intercom system 1. 6 is a flowchart of a subroutine of visitor information registration processing executed in the main processing of the intercom system 1; It is a front view of the subunit | mobile_unit 90 of the intercom system 1 shown in a modification. It is a block diagram of the intercom system 1 via the network shown in a modification. It is a block diagram of the intercom system 1 via the network shown in a modification. It is a block diagram of the intercom system 1 which connects two houses shown in a modification. It is a block diagram of the intercom system 1 which connects two houses shown in a modification. It is a front view of the subunit | mobile_unit 100 of the intercom system 1 provided with the some camera shown in a modification.

Explanation of symbols

1 Intercom system 10 Slave unit 11 Face data 12 Comment 13 Recorded comment 14 Name 15 Last visit to Japan 16 Evaluation 20 Base unit 21 Face image 113 Camera 114 Monitor 2201 Face data storage area 2202 Related information storage area

Claims (15)

An intercom system comprising a slave unit installed outdoors and a master unit connected to the slave unit and installed indoors,
The slave is
A visitor information acquisition means for acquiring visitor information which is information for identifying a visitor;
Visitor information transmission means for transmitting the visitor information acquired by the visitor information acquisition means to the parent device;
Related information receiving means for receiving visitor related information that is related information of the visitor transmitted from the master unit;
A related information output unit for outputting the visitor related information received by the related information receiving unit;
The base unit is
Visitor information receiving means for receiving the visitor information transmitted from the visitor information transmitting means;
Identification information acquisition means for acquiring the identification information from storage means for storing identification information and related information of a plurality of persons;
The identification information acquired by the identification information acquisition means is collated with the visitor information received by the visitor information reception means, and whether the identification information that matches the visitor information exists in the storage means A determination means for determining whether or not,
When the determination means determines that the identification information that matches the visitor information exists in the storage means, the related information corresponding to the identification information that matches the visitor information is used as the visitor related information. Related information acquisition means acquired from the storage means;
An intercom system comprising: related information transmission means for transmitting the visitor related information acquired by the related information acquisition means to the slave unit. The related information of the plurality of persons stored in the storage means includes information relating to the evaluation of the plurality of persons,
The intercom system according to claim 1, wherein the related information acquisition unit acquires a visitor evaluation that is information related to an evaluation included in the visitor related information.   3. The intercom system according to claim 2, wherein the related information output means outputs information of notification to the visitor having contents corresponding to the visitor evaluation to the visitor.   The related information output means outputs notification information indicating that the visitor evaluation is a first evaluation result only when the visitor evaluation indicates a first evaluation result that is equal to or lower than a predetermined standard. The intercom system according to claim 2 or 3.   5. The base unit enables a call with the slave unit when the visitor evaluation is a second evaluation result equal to or higher than a predetermined standard. The intercom system according to any one of the above.   The intercom system according to any one of claims 1 to 5, wherein the related information output means outputs notification information indicating that the visitor is being recorded. The related information of the plurality of persons stored in the storage means includes information related to a history of the plurality of persons visiting a house where the parent device is installed,
The intercom according to any one of claims 1 to 6, wherein the related information acquisition means acquires information relating to a history of the visitor having visited the house in the past, which is included in the visitor related information. system. The related information output means is a display unit,
The interphone system according to any one of claims 1 to 7, wherein the slave unit includes display control means for displaying the visitor related information transmitted from the master unit on the display unit. The related information of the plurality of persons stored in the storage means includes face images of the plurality of persons,
The related information acquisition means acquires the face image of the visitor included in the visitor related information,
The interphone system according to claim 8, wherein the display control means displays the face image of the visitor on the display unit. The visitor information acquisition means is an image pickup means for capturing an image of the visitor's face and acquiring a visitor image that is a face image of the visitor as the visitor information.
The visitor information transmitting means transmits the visitor image captured by the imaging means to the parent device,
The visitor information receiving means receives the visitor image transmitted from the visitor information transmitting means,
The determination unit collates the visitor image acquired by the visitor information reception unit with the face images of the plurality of persons stored in the storage unit, and matches the visitor image. Determine whether the storage means exists,
The related information acquisition unit determines the related information corresponding to the face image that matches the visitor image when the determination unit determines that the face image that matches the visitor image exists in the storage unit. Obtained from the storage means as the visitor related information,
The intercom system according to any one of claims 1 to 9, wherein the related information transmission unit transmits the visitor related information acquired by the related information acquisition unit to the slave unit. The handset includes a plurality of the imaging means, and the plurality of imaging means images the visitor's face from different angles,
The visitor information transmitting means transmits a plurality of the visitor images imaged by a plurality of the imaging means to the parent device,
The determination means includes a plurality of the visitor images captured from different angles received by the visitor information reception means, and a plurality of the images captured from different angles of the plurality of persons stored in the storage means. 11. The intercom system according to claim 10, wherein a face image is collated and it is determined whether or not the face image that matches the visitor image exists in the storage means. The base unit is
The storage means;
A first input means for inputting the related information of the visitor corresponding to the visitor information transmitted from the slave;
12. The first storage control means for storing the visitor information as the identification information in the storage means together with the related information input by the first input means. An intercom system according to any one of the above. The related information of the plurality of persons stored in the storage means includes information regarding a history of the plurality of persons visiting other houses of the house,
The said related information acquisition means acquires the information regarding the log | history by which the said visitor visited the other house of the said house contained in the said visitor relevant information. Intercom system. In the house and the other house, the master unit and the slave unit are installed, respectively.
The master unit and the storage unit can each be connected to a network,
The base unit is
Second input means for inputting the relevant information of the visitor corresponding to the visitor information transmitted from the slave unit;
Via the network, further comprising second storage control means for storing the visitor information as the identification information in the storage means together with the related information input by the second input means;
The identification information acquisition means acquires the identification information from the storage means via the network,
14. The intercom system according to claim 13, wherein the related information acquisition unit acquires the visitor related information from the storage unit via the network. In the house and the other house, the master unit and the slave unit are installed, respectively.
The master unit of the house and the master unit of the other house are connected to each other,
The base unit is
The storage means;
Third input means for inputting the related information of the visitor corresponding to the visitor information transmitted from the slave unit;
Third storage control means for storing the visitor information as the identification information in at least one of the storage means of the house and the storage means of the other house together with the related information input by the third input means. Further comprising
The identification information acquisition means acquires the identification information from at least one of the storage means of the house and the storage means of the other house,
The intercom system according to claim 13, wherein the related information acquisition unit acquires the visitor related information from at least one of the storage unit of the house and the storage unit of the other house.

Images