CN1154335C - Portable telephone and portable telephone system - Google Patents

Abstract

After the mobile phone receives the information of the code and the personal identification number to prevent illegal acts from being set to ON, the control device (4) checks whether the received personal identification number matches the personal identification number stored in the storage device (6) in advance, When they match, the way in which violations are prevented is set. When the control device (4) receives the code that the illegal act prevention is set to OFF, and the personal identification number, it checks whether the received personal identification number matches the registered personal identification number, and when it confirms that they are consistent with each other, it Ways to undo the violation.

Description

Portable telephone and portable telephone system

technical field

The present invention relates to a portable telephone with a function of preventing illegal acts.

Background technique

Among the commonly used portable telephones, there is a certain type of portable telephone. When the portable telephone used is lost or stolen, the user can contact the undertaking company of the portable telephone and ask them to give the telephone number of the lost telephone. , is set to unusable, and when the portable phone is retrieved, the user can contact the undertaking company of the portable phone again, requiring them to set the phone number of the portable phone to be usable.

In addition, as a portable telephone, a portable telephone has been proposed in JP-A-No.312687/1998. In the case of loss, it can be called, and it can be entered by inputting a personal identification number to it. The working method of preventing illegal activities is to set and cancel the illegal activity preventing mode every time a personal identification number is input into the mobile phone.

However, in the former type of commonly used portable telephones, in the case of loss or theft, the procedure for the user to contact the undertaking company is onerous, and in addition, even if the portable telephone is set With incoming calls, the problem is that it is still possible to operate the portable phone, such as telephone numbers, etc., which are stored in the portable phone, may be taken out and used purposefully.

In addition, in the latter type of portable telephones that are commonly used, there is a problem with this because the portable telephone that has entered the illegal act prevention mode does not indicate this on its display screen, and there is a possibility , even if he or she has picked up the portable telephone, the third party may throw it away when he or she finds it unusable.

Contents of the invention

A first object of the present invention is to provide a portable telephone that can achieve such a degree of protection that, in the event that the portable telephone is lost or stolen, the third party of the portable telephone cannot use it illegally, and the user does not have any The obligation is required to pay the bill for illegal use, and there is no need to perform a procedure of contacting the carrier of the portable telephone to disable it and enable it again.

In addition, a second object of the present invention is to provide a portable telephone set which can be recognized as a lost telephone set when a third party picks it up.

A portable telephone capable of achieving the object of the present invention includes personal identification number referencing means that, when the code information and the personal identification number that the illegal act prevention is set to ON, are received, the personal identification number referencing means, checks that the received whether the personal identification number matches the previously registered personal identification number; and the illegal act prevention mode setting means, when said personal identification number reference means determines that said received personal identification number matches said pre-registered number, said Set the device in the way of preventing illegal activities, and set the mode of preventing illegal activities.

In addition, according to the present invention, such a portable telephone set further includes key use restriction means, and when the illegal act prevention mode setting means has set the illegal act prevention mode, the key use restriction means sets the keys except the power key to A predetermined operation key is set to be disabled.

Furthermore, according to the present invention, such a portable phone further includes message display means, and when the illegal act prevention mode setting means has set the illegal act prevention mode, the message display means is used to display a message indicating that the portable The phone is the lost phone.

Furthermore, according to the present invention, such a portable telephone further includes illegal act prevention mode releasing means for releasing the illegal act preventing mode.

Moreover, according to the present invention, such a portable phone further includes a telephone number display device, and when the illegal behavior prevention mode setting device has set the illegal behavior prevention mode, the telephone number display device is used to display the portable telephone number display device. The contact phone number for the phone user.

Furthermore, according to the present invention, such a portable telephone further includes: a transmission key; key usage restriction means, and when the illegal behavior prevention mode setting means has set the illegal behavior prevention mode, the key usage restriction means will Operation keys other than the power key are set to be unusable; and the originating call signal transmission device, when the illegal behavior prevention mode device has been set the illegal behavior prevention mode, when the transmission key is operated, the originating call signal transmission The means are used to send an originating call signal to call the user of the portable telephone to the telephone indicated by the contact telephone number.

A portable telephone system capable of achieving the object of the present invention includes a base station having: means for storing a telephone number of the portable telephone, a code and a personal identification number to prevent illegal acts from being set ON; means for checking whether said stored telephone number corresponds to a telephone number corresponding to said received location registration request signal upon a registration request; and when said checking means determines that said stored telephone number complies with When the phone number of the location registration request signal is received, the means for transmitting the stored illegal act prevention code set to ON, and the stored personal identification number; the portable phone includes: a personal identification number referencing means, when the code information and the personal identification number of which the illegal act prevention setting is ON is received, the personal identification number referencing means, checking whether the received personal identification number corresponds to the previously registered personal identification number; and preventing The means for setting the means for preventing illegal acts, when the personal identification number reference means determines that the received personal identification number matches the number registered in advance, the means for setting the means for preventing illegal acts sets the means for preventing illegal acts

Description of drawings

This and other objects, features and advantages of the present invention will become more apparent upon reading the following detailed description and accompanying drawings, in which:

FIG. 1 is a block diagram showing a portable telephone as a first embodiment of the present invention;

FIG. 2 is a diagram illustrating an operation process of the portable telephone set in FIG. 1;

Fig. 3 is a main flowchart showing the operation of the portable telephone;

Fig. 4 is a routine diagram representing the setting prevention behavior mode in the main flow of Fig. 3; and

Fig. 5 is a diagram illustrating the operation process of the portable telephone set as the second embodiment of the present invention.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 shows a portable telephone as a first embodiment of the present invention. The portable telephone set as the first embodiment of the present invention includes: antenna 1, wireless receiving device 2, channel coding and decoding circuit combination 3, control device 4, operation input device 5 with a plurality of operation keys, storage device 6, voice Generating means 7, display means 8 (eg LCD (Liquid Crystal Display) or similar). The wireless receiving device 2 is connected to the antenna 1 , and the channel coding and decoding circuit combination 3 is connected to the wireless receiving device 2 , the control device 4 and the voice generating device 7 . The control device 4 is connected to an operation input device 5 , a memory device 6 , a voice generating device 7 and a display device 8 .

Operation input device 5 has: power switch operation key, is used for the numeric keypad of input digital information, is used for the telephone call key of telephone call, is used to send the transmission key of the telephone number of portable telephone set, information input key, and is used for storing Information storage key for information etc.

In the storage device 6, the code and the personal identification number for preventing illegal acts to be set to ON have been stored in advance, and this device 6 includes EEPROM (Electrically Erasable Encoded Read-Only Memory) or flash ROM. This EEPOM or flash ROM has an illegal act prevention mark for instructing the illegal act prevention mode of the portable telephone set. In addition, in the storage device 6, when the illegal act prevention mode has been set in the portable telephone set, the contact number of the user registered in advance can be used.

Furthermore, in the storage means 6, a message for displaying loss, that is, a message indicating that the portable telephone is lost, has been registered in advance at the time of loss. As for the message showing loss, it can be some kind of message determined in advance, or a message that the user has plans to do. In addition, the storage device 6 stores the information for the purpose of transmission, and by voice or signal sound, as far as the user is concerned, the operation mode is shifted to the illegal behavior prevention mode.

The wireless receiving device 2 transmits the wireless signal of the code and the personal identification number to the control device 4 from the antenna 1 to the control device 4 through the channel coding and decoding circuit combination 3 . Control device 4 checks whether this personal identification number matches the personal identification number stored in advance after receiving the code for preventing illegal acts ON and personal identification. When the personal identification numbers received meet the personal identification numbers that have been registered in advance, the control device 4 will prevent the illegal behavior sign from turning ON, and set the illegal behavior prevention mode. Even if the battery is exhausted, the information will not be blocked. delete.

By turning the anti-violation sign of the storage device 6, and making the mobile phone that prevents the illegal behavior mode into ON, some of the plurality of operation keys of its operation input device 5 are prohibited from being used, and the operation keys are divided into two types: Operation keys that can be used and operation keys that cannot be used. When the illegal act prevention is set, the control means 4 loads the information for displaying the lost message from the storage means 6, and causes the display means 8 to display the lost message, indicating that this is a lost portable telephone.

Furthermore, the control device 4 loads the user's contact telephone number information from the storage device 6, and causes the display device 8 to display the user's contact telephone number. In addition, since the user's contact phone number is stored in the storage device 6, the present invention has the function that the originating call signal can be automatically sent and input to the user's contact phone, by pressing the transfer key of the portable phone. , and the phone call is established. Using this method, third parties can easily contact users.

When a lost or stolen cellular phone is found, the user sends code information and a personal identification number to the related cellular phone to prevent illegal acts from being set to OFF by using another phone. When the portable phone receives the code information and the personal identification number that the illegal act prevention is set to OFF, the portable phone checks whether the received personal identification number matches the previously registered personal identification number. When the received personal identification number matches the registered personal identification number, the mobile phone switches the illegal act prevention flag to the OFF state, and cancels the illegal act prevention mode.

Next, the operation of the portable telephone as the first embodiment of the present invention will be described with reference to Figs. 2 to 4 of the accompanying drawings. In the embodiment shown in Fig. 2 to Fig. 4, the user himself (or she) makes a phone call to the lost portable phone, and when the portable phone responds, the user sends an anti-violation message to the portable phone. Behavior set to ON for Code and PIN.

First, an embodiment of a cellular phone will be described with reference to FIG. 2 . When the user uses another phone to make a phone call to the lost portable phone, the portable phone automatically responds according to the set number of times or once, generates an incoming call sound, and sends an answer to the user's phone information, and enter the phone call state. After the user confirms that it is the response of the portable phone, the user sends the code and the personal identification number that have been stored in the portable phone to prevent illegal behavior from being set to ON, and the portable phone is switched to by DTMF (dual tone multi-frequency). Ways to prevent illegal activities. When the portable phone received the code and the personal identification number that the illegal act was prevented from being set to ON, the control device 4 checked whether the personal identification number stored in the storage device 6 of the portable phone matched the personal identification number sent, when the control When the device 4 determines that the registered personal identification number matches the sent personal identification number, the control device 4 will turn the illegal act prevention flag into an ON state. The control device 4 that prevents the illegal act sign from turning ON state reads information from the storage device 6, and the control device 4 sends voice or sound information to notify the user that the portable phone has switched to the illegal act mode.

After the user confirms that the portable telephone has switched to the illegal act prevention mode, he (or she) terminates the communication through the telephone call. After the mobile phone that has received the code for setting the violation prevention to ON confirms that the violation prevention flag is ON, the line is interrupted, and the mobile phone switches to the waiting mode. When the illegal act prevention flag is in the ON state, the mobile phone usually shifts to the illegal act preventing mode instead of the waiting mode. At this time, by loading and storing in the storage device 6 for displaying the lost message information, and making the display device 8 display the information of the lost message, the portable phone notifies the third party that the illegal behavior prevention mode has been set. In addition, the third party can automatically call the origin of the telephone number registered in the memory device 8 by pressing the transmission key, and the third party can contact the user.

Next, the operation of the mobile phone will be described in detail with reference to FIG. 3 and FIG. 4 . When the power of the lost mobile phone is in the ON state (standby state), the user who lost the mobile phone uses another phone to make a phone call to the mobile phone. As shown in FIG. 3, first, the control device 4 of the portable telephone set determines whether or not there is an incoming call signal in step S1. When there is incoming call information, in step S2 control device 4 makes voice generation device 7 produce incoming call sound, and control device 4 determines whether automatic response time has passed in step S3. In step S4, the portable telephone automatically responds when the automatic response time has elapsed. The control means 4 determines whether the illegal act prevention flag is in the ON state at step S5. In step S5, when the illegal act prevention flag is not in the ON state, the control means determines in step S6 whether there is a code and a personal identification number for which the illegal act prevention is set to ON. In step S6, when there is no code and personal identification number for which the illegal act prevention setting is ON, the control device 4 releases the waiting mode in step S7. Then, the control means 4 sets the telephone call mode at step S8, and the control means 4 determines whether the telephone call is terminated at step S9. In step S9, when the telephone call mode is terminated, the control means 4 releases the telephone call mode in step S10. Then, the control device 4 returns to step S1 after setting the standby mode in step S11. In step S6, when there is a code and a personal identification number for preventing illegal acts to be set to ON, the control device 4 checks in step S12 whether the personal identification number registered in the memory device 6 of the portable phone matches the sent personal identification number. , when the personal identification number registered in the memory device 6 of the portable telephone does not match the transmitted personal identification number, the procedure returns to step S1. In step S12, when the personal identification number registered in the portable phone memory device 6 coincides with the personal identification number sent, after the control device 4 turns the prevention of illegal acts flag into the ON state in step S13, in step S14, the control The device 4 sends a confirmation sound signal. Then, the control device 4 determines whether the circuit is disconnected in step S15, and in step S15, when the circuit is disconnected, the illegal act mode setting program (shown in Figure 4) by the step S16 is set, and the program returns to step S1.

In step S5, when preventing illegal behavior sign when being in ON state, because this state follows the preventing illegal behavior mode that has been set to take place, so control device 4 determines in step S17 whether there is the code and individual that preventing illegal behavior is set to OFF Identification number, because this is the time that the illegal act prevention mode is kept, so the control device 4 determines whether the transmission key is in the ON state in step S18. When the transfer key is not in the ON state, the procedure returns to step S1. In step S18, when the transfer key is in the ON state, the control means 4 sends the origination call to the telephone set of the contact telephone number of the portable telephone user in step S19, and then, the program returns to step S1.

In step S17, when there is a code and a personal identification number to prevent illegal acts from being set to OFF, the control device 4 checks in step S20 whether the personal identification number registered in the memory device 6 of the portable telephone is consistent with the transmitted personal identification number. conform to. In step S20, when the personal identification number registered in the memory device 6 of the portable telephone does not match the transmitted personal identification number, the procedure returns to step S1. In step S20, when the personal identification number registered in the portable telephone set memory device 6 matches the personal identification number sent, the control device 4 turns the illegal act prevention flag into an OFF state in step S21, and sends a message in step S22. Confirmed acoustic signal. Then, at step S23, the control device 4 determines whether the line has been disconnected. In step S23, when the line has been disconnected, the procedure returns to step S1.

According to FIG. 4, the procedure for setting the illegal behavior prevention method in step S16 will be described below. First, in step S101, the control device 4 sets the operation keys other than the power key and the transfer key to be unusable. In step S102, the control means 4 loads information for displaying a message of loss of the portable telephone set registered in the memory means 6, and causes the display means 8 to display a message indicating loss of the portable telephone set in step S103. Also, at step S104, the control means 4 loads the contact telephone number of the user registered in the memory means 6, and causes the display means 8 to display this telephone number. Then, the control device 4 determines whether there is an incoming call in step S105. In step S105, when there is no incoming call, the control device 4 returns to the main flow of FIG. 3 . In step S105, when there is an incoming call, the control device 4 loads the telephone number in step S106, and then, in step S107, after the telephone call key is set to be usable, the program returns to the main flow of Fig. 3 .

Next, a portable telephone set as a second embodiment of the present invention will be described based on FIG. 5. FIG. The portable telephone set as the second embodiment of the present invention can respectively deal with the following cases, namely, the portable telephone set is not in the waiting state, the power is in the OFF state, and the portable telephone set is located in a place where radio waves cannot reach, and the like. In the second embodiment of the present invention, the same components as those of the first embodiment of the present invention are assigned the same reference numerals.

A user who has lost a mobile phone calls the communication device of the center (hereinafter referred to as the "Illegal Act Prevention Center") established by the undertaking company, sets the information of the phone number of the lost mobile phone, and sets the illegal act as ON code and personal identification number, then, after confirming the response signal sent by the communication device of the center for preventing illegal activities as a message, after indicating that the process of setting up this information is complete, the user hangs up the phone. The communication device of the illegal act prevention center makes the central storage device in which the telephone number of the portable telephone set is registered transmit the telephone number, the code for setting the illegal act prevention to ON, and the information A of the personal identification number, and makes the central storage device store the portable telephone set The phone number, code and PIN that prevent illegal activities are set to ON. After the communication device of the anti-violation center causes the central storage device to store the information A, the communication device sends a confirmation signal to the telephone user. The user's telephone sends a disconnect signal corresponding to this transmission. The communication device of the crime prevention center retains information such as the telephone number, the code that the crime prevention is set to ON, and the personal identification number set by the user until the lost mobile phone is retrieved.

When the power button of the lost mobile phone is turned ON by a third party, or the lost mobile phone is moved to a place where radio waves can reach, the mobile phone sends a message to the communication device of the illegal activity prevention center. Position registration request signal, perform position registration. At this time, the communication device of the illegal activity prevention center reads out the code and the personal identification number that the illegal activity prevention is set to ON by means of the telephone number loaded in the storage device of the illegal activity prevention center by the mobile phone, and sends these information about the illegal activity prevention The code and the information B of the personal identification number whose behavior is set to ON are transmitted to the mobile phone. When the lost portable telephone set receives the code and the personal identification number that have been sent to prevent illegal acts from being set to ON, the control device 4 checks whether the personal identification number registered in the storage device 6 of the portable telephone set matches the Sent PIN. When the control device 4 determines that the registered personal identification number matches the personal identification number that has been sent, then after the illegal act prevention flag is turned ON and the illegal act prevention mode is established, the control device 4 passes the location registration request signal , to notify the communication device to switch to the illegal behavior prevention mode. As described above, the lost telephone in the illegal act prevention mode restricts the use of the operation keys and displays a message that the portable telephone is lost. The structure and operation of the second embodiment of the present invention, except for these, are the same as those of the first embodiment of the present invention.

As is clear from the above, this portable telephone can prevent a third party who finds the portable telephone from using it illegally, and the user is not under any obligation to be required to pay the bill after the portable telephone is stolen or the like, There is also no need to request the telephone company to set the mobile phone as unusable or usable, which should be performed.

In addition, a third party who finds the portable telephone can recognize that it is a lost portable telephone.

Furthermore, in addition to the above-mentioned effects, the portable phone can also automatically send a starting call to the user's contact phone by pressing the transmission key after turning to the illegal behavior prevention mode, so that it is easy to contact the user.

Claims (18)

1. A portable phone comprising: A personal identification number referencing means, when code information and a personal identification number whose illegal act prevention setting is ON is received, said personal identification number referencing means, which checks whether said received personal identification number matches a previously registered personal identification number ;and The illegal behavior prevention mode setting means is configured to set the illegal behavior prevention mode when the personal identification number reference means determines that the received personal identification number matches the pre-registered number. 2. According to the portable telephone set described in claim 1, it is characterized in that further comprising: key use restricting device, when described preventing illegal behavior mode setting device has been set described preventing illegal behavior mode, described key uses restricting device , to disable the predetermined operation keys except the power key. 3. According to the portable telephone set described in claim 1, it is characterized in that further comprising: message display means, when described illegal act prevention mode setting means has been set with described illegal act mode, described message display means is used to display a message indicating that the portable telephone is lost. 4. The portable telephone set according to claim 1, further comprising: illegal act prevention mode release means for releasing said illegal act preventive mode. 5. According to the portable telephone set described in claim 1, it is characterized in that further comprising: a telephone number display device, when the said prevention of illegal behavior mode setting device has been set the described illegal behavior mode, said telephone number display device , is used to display the contact phone number of the cellular phone user. 6. The portable phone according to claim 1, further comprising: send key; key use restricting means, when the illegal act prevention mode setting means has set the illegal act preventive means, the key use restricting means, which sets operation keys other than the power key to be unusable; and The originating call signal transmission device, when the illegal behavior prevention mode setting device has set the illegal behavior prevention mode, and when the transfer key is operated, the originating call signal transmission device is used to send a originating call signal, calling the portable The user of the phone contacts the phone to which the phone number refers. 7. The portable phone according to claim 1, further comprising: a key usage restriction device, when the illegal behavior prevention mode setting device has been set with the illegal behavior prevention mode, the key usage restriction device, Set predetermined operation keys other than the power key to be disabled; message display means for displaying a message indicating that the portable telephone is lost when said illegal act prevention mode setting means has set said illegal act prevention mode; and The means of preventing illegal acts is released, which is used to remove the means of preventing illegal acts. 8. The portable phone according to claim 7, further comprising: a telephone number display device, when the illegal behavior prevention mode setting device has been set with the illegal behavior prevention mode, the telephone number display device, Used to display the contact telephone number of the mobile phone user. 9. The portable phone according to claim 7, further comprising: send key; and The originating call signal transmission device, when the illegal behavior prevention mode setting device has set the illegal behavior prevention mode, and when the transfer key is operated, the originating call signal transmission device is used to send a originating call signal, calling the portable The user of the phone contacts the phone to which the phone number refers. 10. A portable telephone, comprising: The first personal identification number referencing means, when the code information and the personal identification number with the illegal act prevention setting ON is received, the personal identification number referencing means, checks whether the received personal identification number conforms to the previously registered personal identification number; an illegal act prevention mode setting means, when said first personal identification number referencing means determines that said received personal identification number matches said pre-registered number, said illegal act prevention mode setting means sets an illegal act prevention mode ; A key usage restriction device, when the illegal behavior prevention mode setting device has set the illegal behavior prevention mode, the key usage restriction device sets predetermined operation keys other than the power key to be unusable; message display means for displaying a message indicating that the portable phone is lost when the illegal action prevention mode setting means has set the illegal action prevention mode; The second personal identification number referencing means, when the code information and the personal identification number with the illegal act prevention setting OFF is received, the second personal identification number referencing means, checks whether the received personal identification number conforms to the previously registered personal identification number; and The illegal act prevention mode release means, when the second personal identification number referencing means determines that the received personal identification number matches the previously registered personal identification number, the illegal act prevention mode release means releases the prevention way of illegal conduct. 11. The portable phone according to claim 10, further comprising a telephone number display device, which is used to display the contact number of the user of the portable phone when the illegal behavior prevention mode setting device has been set. Number. 12. The portable telephone set according to claim 10, further comprising: teleport key; and The originating call signal transmission device, when the illegal behavior prevention mode device has been set the illegal behavior prevention mode, and when the transfer key is operated, the originating call signal transmission device is used to send a originating call signal to call the portable phone The user of the phone contacts the phone set indicated by the phone number. 13. A portable telephone system comprising: A base station, said base station having: Devices for storing telephone numbers of portable telephones, codes for preventing illegal activities to be ON, and personal identification numbers; when a location registration request is received, means for checking whether said stored telephone number corresponds to the telephone number corresponding to said received location registration request signal; and When the verification means determines that the stored telephone number matches the received telephone number of the location registration request signal, it is used to transmit the stored illegal act prevention code set to ON, and the stored means of storing the personal identification number; Cellular phone contains: A personal identification number referencing means, when code information and a personal identification number whose illegal act prevention setting is ON is received, said personal identification number referencing means, which checks whether said received personal identification number matches a previously registered personal identification number ;and The means for setting the means for preventing illegal acts is configured to set the means for preventing illegal acts when the personal identification number reference means determines that the received personal identification number matches the number registered in advance. 14. The portable telephone system according to claim 13, wherein said portable telephone further comprises a key use restriction means, and when said illegal act prevention mode setting means has been set with said illegal act prevention mode, said key Using the restricting means, predetermined operation keys other than the power key are set to be unusable. 15. According to the portable phone system described in claim 13, it is characterized in that said portable phone further comprises: message display means, when said preventing illegal behavior mode setting means has set said preventing illegal behavior mode, said The message display means is used to display a message indicating that the portable telephone is a lost telephone. 16. The portable telephone system according to claim 13, wherein said portable telephone further comprises: illegal act prevention mode releasing means for releasing said illegal act preventing mode. 17. According to the portable phone system described in claim 13, it is characterized in that said portable phone further comprises a telephone number display device, when said preventing illegal behavior mode setting device has set said preventing illegal behavior mode, for Displays the contact phone number of the user of the cellular phone. 18. The portable phone system according to claim 13, wherein said portable phone further comprises: send key; key use restricting means, when the illegal act prevention mode setting means has set the illegal act preventive means, the key use restricting means, which sets operation keys other than the power key to be unusable; and The originating call signal transmission device, when the illegal behavior prevention mode setting device has set the illegal behavior prevention mode, and when the transfer key is operated, the originating terminal calling signal transmission device is used to send a originating call signal, calling the portable The user of the phone contacts the phone to which the phone number refers.

Images