JP2005084714A - Confirming parking position system for - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a parking position confirming system for confirming the parking position of a vehicle, even when the vehicle is parking at a place where radio waves from a portable unit cannot reach. <P>SOLUTION: This on-vehicle system 1 transmits vehicle position information, including the position of a vehicle from a transmitting/receiving circuit 21 on the basis of a signal indicating that the parking position of the vehicle has been decided, such as a signal indicating that an ignition key has been turned on/off. A portable unit 10 receives the vehicle position information from the on-vehicle system 1 by using a transmitter/receiving circuit 14, stores the received vehicle position information in a memory 11, and reports the position of the vehicle, on the basis of the vehicle position information stored in the memory 11. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a parking position confirmation system including an in-vehicle device and a portable device.

As this type of parking position confirmation system, for example, when a user performs an operation of transmitting a position expression request signal from a portable device, the position expression request signal is transmitted from the portable device to an in-vehicle device provided in the vehicle. There has been proposed a vehicle position confirmation system in which position information indicating the position of a vehicle is transmitted from the device to a portable device, and the position of the vehicle is displayed on a display screen provided in the portable device by a map image or the like (for example, Patent Literature 1).
JP 2000-266563 A

  However, the vehicle position confirmation system described in Patent Literature 1 transmits a position assertion request signal from the portable device to the in-vehicle device when the user performs an operation of transmitting a position assertion request signal from the portable device. When the user parks the vehicle in the underground parking lot and then performs an operation to transmit a position expression request signal from the ground portable device to the in-vehicle device in the underground parking lot, or the portable device and the in-vehicle device are in a place separated from each other. When the vehicle is parked in a place where radio waves from the portable device do not reach, the in-vehicle device cannot receive the position announcement request signal transmitted from the portable device.

  For this reason, the positional information which shows the position of a vehicle is not transmitted from a vehicle-mounted apparatus, and the problem that the position of a vehicle cannot be displayed on the display screen of a portable device arises.

  The present invention has been made in view of the above problems, and provides a parking position confirmation system capable of confirming a parking position of a vehicle even when the vehicle is parked in a place where radio waves from a portable device do not reach. This is the first purpose.

  In addition, in the case of an in-vehicle device that detects the current position of a vehicle by a GPS receiver that detects the position of the vehicle based on radio waves from the satellite, the vehicle is parked in a place where radio waves from the satellite do not reach, such as an underground parking lot. Then, the in-vehicle device cannot detect the current position of the vehicle.

  For this reason, the positional information which shows the position of a vehicle from an in-vehicle apparatus to a portable device is not transmitted, but the problem that the position of a vehicle cannot be displayed on the display screen of a portable device arises.

  The present invention has been made in view of the above problems, and provides a parking position confirmation system that can notify the parking position of a vehicle even when the vehicle is parked in a place where radio waves from a satellite do not reach. Is the second purpose.

  In order to achieve the first object, according to the first aspect of the present invention, there is provided a parking position confirmation system including an in-vehicle device (1) and a portable device (10), wherein the in-vehicle device (1) is a portable device. Position based on a first communication means (21) for communicating with the machine (10), a position detection means (32) for detecting the position of the vehicle, and a signal indicating that the parking position of the vehicle has been established. The portable device (10) includes first control means (22, 33) for transmitting vehicle position information including the position of the vehicle detected by the detection means (32) from the first communication means (21). A second communication means (14) for receiving vehicle position information from the in-vehicle device (1), a storage means (11) for storing the vehicle position information received by the second communication means (14), and a storage means. Based on the vehicle position information stored in (11), the position of the vehicle Is characterized by comprising a second control means for outputting a signal for notifying (15), the.

  As described above, the in-vehicle device (1) is configured to transmit the vehicle position information including the vehicle position from the first communication unit (21) based on the signal indicating that the parking position of the vehicle is fixed. (22), the portable device (10) receives the vehicle position information from the in-vehicle device (1), the second communication means (14), and the vehicle position information received by the second communication means (14). And a second control means (15) for outputting a signal for informing the vehicle position based on the vehicle position information stored in the storage means (11). Even when the vehicle is parked in a place where radio waves from the portable device (10) do not reach, the parking position of the vehicle can be confirmed.

  Further, as a signal indicating that the parking position of the vehicle has been determined, a signal indicating that the position of the ignition key has been switched from on to off as in the invention according to claim 2, and the ignition key is removed from the key cylinder. At least one of a signal indicating that the door for getting on and off has been closed from an open state and a signal indicating that the door for getting on and off has been locked.

  In the third aspect of the present invention, the portable device (10) includes display means (13) for performing display in accordance with a signal from the second control means (15), and the second control means (15). ) Is characterized in that the position of the vehicle is displayed on the display means (13) based on the vehicle position information stored in the storage means (11).

  Thus, since the portable device (10) includes the display means (13) that performs display in accordance with the signal from the second control means (15), the position of the vehicle is displayed on the display means (13). Can be made.

  Moreover, in invention of Claim 4, a portable machine (10) is provided with the 3rd communication means (17) for communicating with the portable terminal (40) which has a display part, A 2nd control means ( 15) transfers the parking position information stored in the storage means (11) to the portable terminal (40) via the third communication means (17), and displays the position of the vehicle on the display unit of the portable terminal (40). It is characterized by letting.

  Thus, the second control means (15) transfers the parking position information stored in the storage means (11) to the portable terminal (40) via the third communication means (17), and determines the position of the vehicle. It can be displayed on the display unit of the portable terminal (40).

  In order to achieve the second object, in the invention according to claim 5, the in-vehicle device (1) parks from the parking position information transmitting means (50) for transmitting the parking position information indicating the parking position of the vehicle. The fourth communication means (36) for receiving the position information is provided, and the first control means (22, 33) determines that the vehicle parking position has been determined based on a signal indicating that the vehicle parking position has been determined. When the parking position information is received by the fourth communication means (36), a fourth communication means (instead of the vehicle position information including the vehicle position detected by the position detection means (32) is determined. The parking position information received in (36) is transmitted from the first communication means (21).

  Thus, the first control means (22, 33) determines that the parking position of the vehicle has been determined based on the signal indicating that the parking position of the vehicle has been determined, and the fourth communication means (36). The parking position information received by the fourth communication means (36) instead of the vehicle position information including the vehicle position detected by the position detection means (32) when the parking position information is received by the first detection means (32). Since it is transmitted from the communication means (21), even if the vehicle is parked in a place where radio waves from the satellite do not reach, the parking position of the vehicle is determined by the parking position information received by the fourth communication means (36). Can be notified.

  In addition, the code | symbol in the bracket | parenthesis of each said means shows the correspondence with the specific means as described in embodiment mentioned later.

(First embodiment)
A configuration of a parking position confirmation system according to an embodiment of the present invention will be described with reference to FIG. As shown in the figure, the parking position confirmation system includes an in-vehicle system 1 mounted on a vehicle and a portable device 10 as a keyless portable device having a function of wirelessly locking and unlocking a door.

  The in-vehicle system 1 includes a navigation device 30, a body control device 20, and a door control device 60, and these devices are connected by an in-vehicle LAN 70. Further, in the present embodiment, it is assumed that the vehicle is parked in a parking lot in which a parking lot management system in which a roadside device 50 is provided above each entrance of the parking section as shown in FIG. The navigation device 30 receives the parking position information transmitted from the roadside device 50 of the parking lot management system when the vehicle is parked in the parking lot.

  The navigation device 30 includes an antenna 35, a receiving circuit 36, a position detector 32, a map data input device 34, an external memory 31, a display device 37, and a control circuit 33.

  The antenna 35 is for receiving radio waves from the roadside device 50, and the receiving circuit 36 receives data transmitted from the roadside device 50 through the antenna 35.

  The position detector 32 has a well-known geomagnetic sensor, gyroscope, distance sensor, and GPS receiver (not shown) for detecting the position of the vehicle based on radio waves from the satellite. The vehicle position based on the signal detected by is output to the control circuit 33. Since each of these sensors has an error of a different property, a plurality of sensors are configured to be used supplementarily. Depending on the accuracy, it may be configured by a part of the above-described components, and may further include a wheel sensor for each driving wheel of a steering rotation sensor (not shown).

  The map data input device 34 is a device for inputting various data including so-called map matching data, map data, addresses, and map codes for improving the position detection accuracy. As a storage medium for storing these various data, a CD-ROM, a DVD, a hard disk drive, or the like is generally used based on the data amount, but other media such as a memory card may be used.

  The external memory 31 is a storage unit provided separately from the inside of the control circuit 33, and is composed of a ROM, a RAM, or the like, and stores various data, programs, and the like.

  The display device 37 includes a color display device and a speaker, displays the video on a display screen such as a liquid crystal display in accordance with the video signal input from the control circuit 33, and an audio signal input from the control circuit 33. In response to this, the speaker outputs the sound. As the color display device, for example, a CRT, a liquid crystal display, a plasma display, or the like can be used.

  The control circuit 33 is configured as a normal computer and includes a CPU, a ROM, a RAM, and a flash memory. The CPU executes a program read from the ROM or flash memory, reads information from the ROM, RAM, and flash memory at the time of execution, and writes information to the RAM and flash memory. Signals are exchanged with the receiving circuit 36, the position detector 32, the display unit 37, the external memory 31, and the map data input device 34.

  The body control device 20 includes an antenna 24, a transmission / reception circuit 21, an interface circuit (hereinafter referred to as I / F circuit) 23, and a control circuit 22.

  The antenna 24 is for transmitting and receiving radio waves to and from the portable device 10, and the transmission / reception circuit 21 exchanges data with the portable device 10 through the antenna 24.

  The I / F circuit 23 is a circuit for inputting and outputting various signals in the vehicle. A signal indicating the state of the ignition key is input to the I / F circuit 23. That is, a signal indicating whether the position of the ignition key is in the off position or the on position is input. The I / F circuit 23 receives a signal indicating that the ignition key has been removed from the key cylinder.

  The control circuit 22 is configured as a normal computer and includes a CPU, a ROM, a RAM, and a flash memory. The CPU executes a program read from the ROM or flash memory, reads information from the ROM, RAM, and flash memory at the time of execution, and writes information to the RAM and flash memory. It exchanges signals with the transmission / reception circuit 21 and the I / F circuit 23.

  The door control device 60 includes a door lock control for locking and unlocking the door according to the operation of the door lock switch, a power window opening and closing control for opening and closing the power window according to the operation of the power window switch, and a door lamp with the opening and closing of the door. Door lamp lighting control that turns on and off, door mirror tilting control that tilts the door mirror according to the operation of the door mirror tilt switch, visual angle adjustment control that adjusts the visual angle of the mirror according to the operation of the door mirror adjustment switch, etc. It is a device that performs.

  The door control device 60 outputs a signal indicating the door open / close state, and the signal indicating the door open / close state is input to the body control device 20 via the in-vehicle LAN 70. The door control device 60 receives a signal for instructing locking of the door from the transmission / reception circuit 14 of the portable device 10 to the transmission / reception circuit 21 of the body control device 20 by an operation of an operation unit 12 provided in the portable device 10 described later, Even when signals for instructing unlocking are transmitted, the door can be locked and unlocked according to these signals.

  The portable device 10 includes an antenna 16, a transmission / reception circuit 14, a memory 11, a display unit 13, and an operation unit 12.

  The antenna 16 is for transmitting and receiving radio waves to and from the body control device 20, and the transmission / reception circuit 14 exchanges data with the body control device 20 through the antenna 16.

  The memory 11 is composed of a ROM or a RAM and stores various data and programs.

  The display unit 13 has a display screen such as a liquid crystal display, and displays images and characters on the display screen in accordance with signals input from the control circuit 15. As the display unit 13, for example, one that displays characters and numbers as shown in FIG. 3 or an image as shown in FIG. 4 can be displayed.

  The operation unit 12 includes a plurality of mechanical switches, and outputs a signal based on a user's pressing of the mechanical switch. Specifically, four mechanical switches are provided as shown in “LOCK”, “UNLOCK”, “PARK”, and “INFO” in FIGS. “LOCK” is a switch for outputting a signal instructing to lock the door, “UNLOCK” is a switch for outputting a signal instructing to unlock the door, and “PARK” displays the parking position on the display unit 13. A switch for outputting a signal, “INFO”, is a switch for outputting a signal for displaying other information on the display unit 13.

  As shown in FIG. 2, the parking lot management system according to the present embodiment has a roadside unit 50 for transmitting parking position information and a vehicle detection circuit (not shown) for detecting a vehicle at the upper part of each entrance of the parking section. ). When the vehicle passes through the entrance of a predetermined parking area for parking, it is detected by the vehicle detection circuit that the vehicle has passed under the roadside machine 50, and the vehicle parked in the parking area from the roadside machine 50 is detected. Parking position information is transmitted wirelessly.

  The parking position information transmitted from the roadside device 50 includes all or part of information such as a parking lot name, a floor number, a garage number, a map indicating a parking lot, and a parking start time.

  In the configuration described above, the parking position information transmission process by the control circuit 33 of the navigation device 30 will be described with reference to FIG. When the navigation device 30 is powered on, the control circuit 37 of the navigation device 30 performs predetermined initial settings, and then periodically transmits the parking position information shown in FIG. 5 in addition to the normal map display processing and route guidance processing. Process.

  First, the control circuit 33 determines whether or not the position of the ignition key has been turned on from off based on a signal indicating the state of the ignition key input from the I / F circuit 23 of the body control device 20 (step 100). ). Here, when it is determined that the position of the ignition key is not turned on from off (determined as NO in step 100), the vehicle position input from the position detector 32 is stored in the external memory 31 (step 104). Information such as latitude, longitude, and altitude is input as the vehicle position input from the position detector 32.

  Next, based on whether or not the receiving circuit 36 has received the parking position information from the roadside machine 50, it is determined whether or not the parking position information from the roadside machine 50 has been received (step 106). Here, as shown in FIG. 2, when the vehicle passes through the entrance of a predetermined parking section, it is detected by the vehicle detection circuit that the vehicle has passed under the roadside machine 50, and the roadside machine 50 enters the parking section. The parking position information of the parking section is transmitted to the parked vehicle. And when this parking position information is received by the receiving circuit 36, it determines with having received parking position information from the roadside machine 50 (it determines with YES at step 106), and memorize | stores the received parking position information in the external memory 31 ( Step 108).

  Next, based on whether or not there is a request for transmission of parking position information from the control circuit 22 of the body control device 20, it is determined whether or not there is a request for transmission of parking position information from the body control device 20 (step 110). Here, when there is a request for transmission of parking position information from the control circuit 22 of the body control device 20 (determined as YES in step 110), further, based on whether or not the parking position information is stored in the external memory 31, It is determined whether there is parking position information in the memory 31 (step 112). Here, when it is determined that the parking position information is stored in the external memory 31 (YES in step 112), the parking position information stored in the external memory 31 is transmitted to the body control device 20 via the in-vehicle LAN 70. Transmit (step 114).

  In step 100, when the ignition key position is switched from OFF to ON, such as when the engine is started, it is determined that the ignition key position is switched from OFF to ON (YES in step 100), and the external memory 31 If the parking position information is stored in the memory, the parking position information stored in the external memory 31 is erased, and the process proceeds to step 104. That is, when the position of the ignition key is turned on as in the case of leaving the parking lot, the parking position information stored in the external memory 31 is erased (step 102).

  In Step 106, when it is determined that the parking position information from the roadside machine 50 is not received (NO in Step 106), the process proceeds to Step 110.

  In step 112, it is determined whether or not there is parking position information in the external memory 31, and if the parking position information is not received by the receiving circuit 36 as in a parking lot where the roadside device 50 is not installed, the external memory It is determined that the parking position information is not stored in 31 (NO in step 112). Based on the vehicle position stored in the external memory 31 and various data including map matching data, map data, address, and map code read from the map data input unit 34, a map of the surroundings of the vehicle position, the address of the vehicle position, the vehicle A map code of the position is calculated, and information including a vehicle position peripheral map calculated together with the vehicle position information stored in the external memory 31 is transmitted as parking position information to the body control device 20 via the in-vehicle LAN 70 ( Step 116).

  The parking position information transmitted by the control circuit 33 in step 116 may be a map centered on the vehicle position, for example, a 500 m square map centered on the vehicle position, and a map read from the map data input unit 34. When it is determined from the data that the vehicle position is located in the parking lot, a detailed map in the parking lot including the parking lot name of the parking lot where the vehicle is located may be used. In addition, when the map data includes more detailed information such as a garage number in the parking lot, these more detailed information may be added and transmitted.

  If it is determined in step 110 that the ignition key position is not switched from OFF to ON (NO in step 100), the process returns to step 100 and the parking position information transmission process shown in FIG. 5 is periodically repeated. .

  Next, processing of the control circuit 22 of the body control device 20 will be described with reference to FIG. The control circuit 22 periodically performs the process shown in FIG.

  First, based on a signal indicating the state of the ignition key input from the I / F circuit 23, it is determined whether or not the position of the ignition key has been changed from on to off (step 200). Here, if it is determined that the position of the ignition key is not turned off from on (determined as NO in step 200), the determination in step 200 is repeated. Also, when the parking position of the vehicle is confirmed and the ignition key position is turned off from on by a user operation, it is determined that the ignition key position is turned off from on based on a signal indicating the ignition key state. . In this way, it is determined that the parking position has been confirmed by changing the position of the ignition key from on to off. (Determined as YES in step 200). When the parking position information is requested to the control circuit 33 of the navigation device 30 via the in-vehicle LAN 70 (step 204), the parking position information is input from the navigation device 30 as shown in steps 114 and 116 in FIG. 205), the input parking position information is transmitted from the transmission / reception circuit 21 of the body control device 20 to the transmission / reception circuit 14 of the portable device 10 (step 206). And the parking position information transmitted from the body control device 20 is stored in the memory 11 of the portable device 10.

  Thereafter, when the user presses the “PARK” switch of the operation switch group 12 of the portable device 10, the user parks the display unit 13 of the portable device 10 based on the parking position information stored in the memory 11 of the portable device 10. The position is displayed.

  As described above, the parking position confirmation system includes the in-vehicle system 1 and the portable device 10, and the in-vehicle system 1 detects the position of the vehicle and the transmission / reception circuit 21 that communicates with the portable device 10. A position detector 32, and control circuits 22 and 23 for transmitting vehicle position information including the position of the vehicle detected by the position detector 32 based on a signal indicating that the parking position of the vehicle has been established, from the transmission / reception circuit 21; The portable device 10 includes a transmission / reception circuit 14 that receives vehicle position information from the in-vehicle system 1, a memory 11 that stores vehicle position information received by the transmission / reception circuit 14, and vehicle position information stored in the memory 11. A control circuit 15 that outputs a signal for notifying the vehicle position is provided.

  As described above, the in-vehicle system 1 includes the control circuits 22 and 33 that transmit the vehicle position information including the vehicle position from the transmission / reception circuit 21 based on the signal indicating that the parking position of the vehicle is fixed. The transmission / reception circuit 14 that receives the vehicle position information from the in-vehicle system 1, the memory 11 that stores the vehicle position information received by the transmission / reception circuit 14, and the vehicle position information based on the vehicle position information stored in the memory 11 And a control circuit 15 that outputs a signal for performing the operation, the parking position of the vehicle can be confirmed even when the vehicle is parked in a place where radio waves from the portable device 10 do not reach. .

  That is, when the parking position of the vehicle is determined, the parking position information is transmitted from the transmission / reception circuit 21 of the in-vehicle system 1 to the transmission / reception circuit 14 of the portable device 10. For example, when the user parks the vehicle in the underground parking lot Even so, the parking position information is transmitted from the transmission / reception circuit 21 of the in-vehicle system 1 to the transmission / reception circuit 14 of the portable device 10, and this parking position information is stored in the memory 11 of the portable device 10. As described above, since the parking position information is stored in the memory 11 of the portable device 10 when the parking position of the vehicle is determined, the portable device 10 is located in a place where radio waves do not reach from the in-vehicle system 1 thereafter. Based on the parking position information stored in the memory 11 of the portable device 10, the position of the vehicle can be notified to the user.

  The in-vehicle system 1 includes a receiving circuit 36 that receives the parking position information from the roadside device 50 that transmits the parking position information indicating the parking position of the vehicle, and the control circuits 22 and 33 confirm that the parking position of the vehicle has been determined. The vehicle position information including the vehicle position detected by the position detector 32 when it is determined that the parking position of the vehicle has been determined based on the signal indicating the position and the parking position information is received by the receiving circuit 36 is substituted. Then, the parking position information received by the receiving circuit 36 is transmitted from the transmitting / receiving circuit 21.

  As described above, when the control circuits 22 and 33 determine that the parking position of the vehicle is confirmed based on the signal indicating that the parking position of the vehicle is confirmed, and the reception circuit 36 receives the parking position information. Since the parking position information received by the receiving circuit 36 is transmitted from the transmission / reception circuit 21 instead of the vehicle position information including the position of the vehicle detected by the position detector 32, the radio wave from the satellite arrives like an underground parking lot. Even when a vehicle equipped with an in-vehicle system that detects the current position of the vehicle by a GPS receiver that detects the position by radio waves from a satellite is parked in a place where the vehicle is not installed, the vehicle is based on the parking position information received by the receiving circuit 36. The parking position can be notified.

(Second Embodiment)
Next, a parking position confirmation system according to the second embodiment will be described. The configuration of the parking position confirmation system in the present embodiment is the same as that shown in FIG. 1, and the processing of the control circuit 22 of the body control device 20 is different from that in the first embodiment. FIG. 7 shows processing of the control circuit 22 of the body control device 20 in the present embodiment.

  First, based on a signal indicating that the ignition key input from the I / F circuit 23 has been removed from the key cylinder, it is determined whether or not the ignition key has been removed from the key cylinder (step 201). If it is determined that the ignition key has not been removed from the key cylinder (NO in step 201), the determination in step 201 is repeated. When the parking position of the vehicle is confirmed and the ignition key is removed from the key cylinder by the user's operation, it is determined that the ignition key has been removed from the key cylinder. In this manner, it is determined that the parking position has been determined by removing the ignition key from the key cylinder (YES in step 200).

  Then, the control circuit 22 requests parking position information from the control circuit 33 of the navigation device 30 via the in-vehicle LAN 70 (step 204). When the parking position information is input from the navigation device 30 (step 205), the control circuit 22 is input. The parking position information is transmitted from the transmission / reception circuit 21 to the portable device 10 (step 206). Thus, the parking position information is stored in the memory 11 of the portable device 10 when the parking position is determined.

  Thereafter, when the user presses the “PARK” switch of the operation switch group 12 of the portable device 10, the user parks the display unit 13 of the portable device 10 based on the parking position information stored in the memory 11 of the portable device 10. The position is displayed.

(Third embodiment)
Next, a parking position confirmation system according to a third embodiment will be described. The configuration of the parking position confirmation system in the present embodiment is the same as that shown in FIG. 1, and the processing of the control circuit 22 of the body control device 20 is different from that in the first embodiment. FIG. 8 shows processing of the control circuit 22 of the body control device 20 in the present embodiment.

  First, it is determined whether or not the door is changed from the open state to the closed state based on a signal indicating the open / closed state of the door input from the door control device 60 (step 201). If it is determined that the door is not closed from the open state (NO in step 201), the determination in step 201 is repeated. Further, when the parking position of the vehicle is determined and the door is changed from the open state to the closed state when the user gets out of the vehicle, it is determined that the door is changed from the open state to the closed state. In this way, it is determined that the parking position has been determined by the door being changed from the open state to the closed state (YES in step 200).

  Then, the control circuit 22 requests parking position information from the control circuit 33 of the navigation device 30 via the in-vehicle LAN 70 (step 204). When the parking position information is input from the navigation device 30 (step 205), the control circuit 22 is input. The parking position information is transmitted from the transmission / reception circuit 21 to the portable device 10 (step 206). Thus, the parking position information is stored in the memory 11 of the portable device 10 when the parking position is determined.

  Thereafter, when the user presses the “PARK” switch of the operation switch group 12 of the portable device 10, the user parks the display unit 13 of the portable device 10 based on the parking position information stored in the memory 11 of the portable device 10. The position is displayed.

(Fourth embodiment)
Next, a parking position confirmation system according to the fourth embodiment will be described. The configuration of the parking position confirmation system in the present embodiment is the same as that shown in FIG. 1, and the processing of the control circuit 22 of the body control device 20 is different from that in the first embodiment. FIG. 9 shows processing of the control circuit 22 of the body control device 20 in the present embodiment.

  After the vehicle is parked in the parking lot, when the “LOCK” switch of the portable device 10 is pressed by the user, a signal for instructing the door lock from the transmission / reception circuit 14 of the portable device 10 to the transmission / reception circuit 21 of the body control device 20 Is transmitted to the door control device 60 via the in-vehicle LAN 70 from the body control device 20. Then, the door control device 60 locks the door in response to an input of a signal that instructs to lock the door.

  First, the control circuit 22 determines whether or not the door control device 60 has locked the door in response to a signal instructed to lock the door transmitted from the portable device 10 (step 203).

Here, when it is determined that the door control device 60 has not locked the door in response to a signal instructing the door lock transmitted from the portable device 10 (NO in step 203), the determination in step 203 is performed. repeat.

  In addition, when the user presses the “LOCK” switch of the portable device 10, a signal instructing to lock the door is transmitted from the transmission / reception circuit 14 of the portable device 10 to the transmission / reception circuit 21 of the body control device 20. When the door is locked in response to the signal instructing the door lock transmitted from the machine 10, the control circuit 22 responds to the signal instructing the door lock transmitted from the portable device 10 by the door control device 60. It is determined that the door is locked. As described above, it is determined that the parking position has been confirmed by the door control device 60 locking the door according to the signal instructing the door lock transmitted from the portable device 10 (YES in step 203). Judgment).

  Then, the control circuit 22 requests parking position information from the control circuit 33 of the navigation device 30 via the in-vehicle LAN 70 (step 204). When the parking position information is input from the navigation device 30 (step 205), the control circuit 22 is input. The parking position information is transmitted from the transmission / reception circuit 21 to the portable device 10 (step 206). Thus, the parking position information is stored in the memory 11 of the portable device 10 when the parking position is determined.

  Thereafter, when the user presses the “PARK” switch of the operation switch group 12 of the portable device 10, the user parks the display unit 13 of the portable device 10 based on the parking position information stored in the memory 11 of the portable device 10. The position is displayed.

(Fifth embodiment)
Next, a fifth embodiment will be described. In the first embodiment, it is assumed that the vehicle is parked in a parking lot in which a parking lot management system in which a roadside machine 50 is provided at each entrance upper portion of the parking section as shown in FIG. In the present embodiment, it is assumed that the vehicle is parked in a parking lot where a parking lot management system in which a roadside machine 50 is provided only at the entrance gate of the parking lot as shown in FIG.

  In this parking lot management system, a roadside device 50 for transmitting parking position information, a roadside display device 51 for displaying a parking position where parking is possible, and a vehicle passing through an entrance gate of the parking lot and a parked vehicle are detected for each parking section. A vehicle detection circuit (not shown) is provided only at the entrance gate of the parking lot. When the vehicle passes the entrance gate of the parking lot for parking, it is detected by the vehicle detection circuit that the vehicle has passed under the roadside unit 50. For example, the parking position of an empty garage such as “Please park at 3F B20” Is displayed on the roadside display 51, and the parking position information is wirelessly transmitted from the roadside 50 to the vehicle passing through the entrance gate of the parking lot.

  The parking position information transmitted from the roadside device 50 includes all or part of information such as a parking lot name, a floor number, a garage number, a map indicating a parking lot, and a parking start time.

  The control circuit 33 of the navigation device 30 stores the parking position information from the roadside device 50 in the external memory 31 and, as shown in FIG. 11, “park on 3F B20” on the display device 37 of the navigation device 30. The parking position is displayed. Then, the user parks the vehicle at the parking position displayed on the display unit of the roadside display 51 or the display device 37 of the navigation device 30.

  Thus, even when the vehicle is parked in a parking lot where a parking lot management system in which the roadside machine 50 is provided only at the entrance gate of the parking lot as shown in FIG. The parking position information from the roadside machine 50 can be stored in the external memory 31.

(Sixth embodiment)
Next, a sixth embodiment will be described. The structure of the portable device 10 and the portable terminal 40 of the parking position confirmation system according to the present embodiment is shown in FIG. In the parking position confirmation system according to this embodiment, the configuration of the in-vehicle system 1 is the same as that shown in FIG. 1, but the configuration of the portable device 10 is different from that shown in FIG. As shown in FIG. 12, the portable device 10 of the parking position confirmation system according to the present embodiment includes the antenna 16, the transmission / reception circuit 14, the memory 11, the display unit 13, and the operation unit 12 as shown in FIG. An I / F circuit 17 is provided.

  The I / F circuit 17 of the portable device 10 is for exchanging data between the portable device 10 and a portable terminal 40 described later. When exchanging data, as shown in FIG. The I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 are connected by wire connection such as connector connection or cable connection. A signal indicating a connection state with the portable terminal 40 is input to the portable device 10 from the I / F circuit 17.

  The portable terminal 40 detects the position of the portable terminal 40 based on an I / F circuit 41 for exchanging data with the portable device 10, a memory 43 for storing programs and various data for operation, and radio waves from satellites. A GPS receiver 44, a liquid crystal display, a display unit 45 for displaying a map and characters on the liquid crystal display, an operation switch group 46 composed of a plurality of mechanical switches, and a radio circuit 47 for communicating with a base station or the like by radio. And a control circuit 42. As the mobile terminal 40, for example, a mobile phone, a PHS (Personal Handyphone System), a PDA (Personal Digital Assistant), or the like can be used.

  In the configuration described above, the user connects the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 with a connector or the like, and carries the parking position information stored in the memory 11 of the portable device 10. Transfer to terminal 40. Then, the wireless circuit 47 of the mobile terminal 40 is connected to the Internet, and a map indicating the parking position is displayed on the display unit 45 of the mobile terminal 40.

  Next, processing of the portable device 10 and the portable terminal 40 will be described with reference to FIG. In addition, the parking position information transmitted from the body control apparatus 20 by the process shown in FIGS. 6 to 9 is stored in the memory 11 of the portable device 10 in advance. Further, the control circuit 15 of the portable device 10 and the control circuit 42 of the portable terminal 40 each periodically perform the processing shown in FIG.

  First, the control circuit 15 of the portable device 10 determines whether or not it is connected to the portable terminal 40 based on a signal indicating a connection state with the portable terminal 40 input from the I / F circuit 17 (step 300). .

  Here, when it is determined that the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 are not connected (determined as NO in Step 300), the portable device 10 and the portable terminal 40 Step 300 is repeated until it is determined that is connected. In step 300, when it is determined that the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 are connected (determined as YES in step 300), Based on whether or not a signal for displaying the parking position on the display unit 13 is output, it is determined whether or not the “PARK” switch of the operation unit 12 of the portable device 10 is pressed (step 301).

  If it is determined that the “PARK” switch of the operation unit 12 is not pressed (NO in step 301), the process of step 301 is performed until it is determined that the “PARK” switch of the operation unit 12 is pressed. repeat. If it is determined in step 301 that the “PARK” switch of the operation unit 12 has been pressed (YES in step 301), the parking position information is transmitted from the I / F circuit 17 (step 302). The processing of the control circuit 15 ends.

  In addition to the parking lot name, the number of floors, the garage number, the map indicating the parking lot, the parking start time, and the like, the parking position information transmitted from the portable device 10 includes, for example, http: // map. com / m? Information of the URL (Uniform Resource Locator) format for displaying a map such as p = 35.00.00N137.00.00E & s = 100 is included. Note that this URL includes latitude and longitude information of the parking position.

  Next, the portable terminal 40 determines whether or not the parking position information is received based on whether or not the parking position information from the portable device 10 is input via the I / F circuit 41. If it is determined that the parking position information has not been received (NO in step 310), the determination in step 310 is repeated until the parking position information is received. If it is determined that the parking position information has been received (YES in step 310), the user is prompted to operate the operation switch group 46 or is connected to the Internet via the wireless unit 47. Then, the URL included in the parking position information is designated (step 311), the map data centered on the parking position is downloaded from the designated site, and the map centered on the downloaded parking position is displayed on the display unit 45 ( Step 312). After that, operate according to the display screen of the homepage and change the map scale.

(Seventh embodiment)
Next, a seventh embodiment will be described. The structure of the portable device 10 and the portable terminal 40 of the parking position confirmation system according to the present embodiment is shown in FIG. In the parking position confirmation system according to this embodiment, the configuration of the in-vehicle system 1 is the same as that shown in FIG. 1, but the configuration of the portable device 10 is different from that shown in FIG. As shown in FIG. 12, the portable device 10 of the parking position confirmation system according to the present embodiment includes the antenna 16, the transmission / reception circuit 14, the memory 11, the display unit 13, and the operation unit 12 as shown in FIG. An I / F circuit 17 is provided.

  Moreover, although the parking position confirmation system which concerns on 6th Embodiment showed about the example which connects between the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 by wire, this embodiment The parking position confirmation system according to the embodiment is different in that the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 are connected by radio such as Bluetooth. Hereinafter, the difference from the sixth embodiment will be mainly described.

  The I / F circuit 17 of the portable device 10 is for exchanging data between the portable device 10 and a portable terminal 40 described later. When exchanging data, the I / F of the portable device 10 is used. Data exchange between the circuit 17 and the I / F circuit 41 of the portable terminal 40 is performed wirelessly. A signal indicating a connection state with the portable terminal 40 is input to the portable device 10, and parking position information is input to the portable terminal 40 from the portable device 10.

  In the present embodiment, when the “PARK” switch of the operation unit 12 of the portable device 10 is pressed, a signal for transferring the parking position information stored in the memory 11 of the portable device 10 to the portable terminal 40 is output.

  The portable terminal 40 has an I / F circuit 41 for exchanging data with the portable device 10, and exchanges data wirelessly with the I / F circuit 17 of the portable device 10 by this I / F circuit 41.

  In the above configuration, the user wirelessly connects the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40, and displays the parking position information stored in the memory 11 of the portable device 10. Transfer to the mobile terminal 40. Then, the wireless circuit 47 of the mobile terminal 40 is connected to the Internet, and a map indicating the parking position is displayed on the display unit 45 of the mobile terminal 40.

  Next, processing of the portable device 10 and the portable terminal 40 will be described with reference to FIG. In addition, the parking position information transmitted from the body control apparatus 20 by the process shown in FIGS. 6 to 9 is stored in the memory 11 of the portable device 10 in advance. The control circuit 15 of the portable device 10 and the control circuit 42 of the portable terminal 40 each periodically perform the process shown in FIG.

  First, the control circuit 15 of the portable device 10 determines whether or not a signal for transferring the parking position information stored in the memory 11 to the portable terminal 40 is output by pressing the “PARK” switch of the operation unit 12. It is determined whether or not the “PARK” switch of the ten operation units 12 has been pressed (step 400).

  If it is determined that the “PARK” switch of the operation unit 12 is not pressed (NO in step 400), the determination in step 400 is repeated until the “PARK” switch of the operation unit 12 is pressed.

  If it is determined in step 400 that the “PARK” switch of the operation unit 12 has been pressed (YES in step 400), connection processing is performed on the mobile terminal 40. Specifically, a connection request signal for connection is transmitted to the portable terminal 40, a response signal is returned from the portable terminal 40 in response to the connection request signal, and this response signal is input to the I / F circuit 17 Then, the connection process is completed (step 401). Note that if the response signal is not received even though the connection request signal is transmitted to the mobile terminal 40, the connection process is not completed, and thus the process illustrated in FIG. 15 is terminated.

  Then, based on whether or not the connection process in step 401 is completed, it is determined whether or not the connection with the portable terminal 40 is normal (step 402). If it is determined that the connection with the portable terminal 40 is not normal (NO in step 402), the process returns to the connection process in step 401. In Step 402, when it is determined that the connection with the mobile terminal 40 is normal (YES in Step 402), the parking position information is transmitted to the mobile terminal 40 (Step 403), and the process of the mobile device 10 is performed. Ends.

  On the other hand, the control circuit 42 of the portable terminal 40 performs a connection process with the portable device 10 (step 410), and determines whether the connection process with the portable device 10 is completed (step 411). Specifically, when a connection request signal is received from the portable device 10 as described above, processing for returning a response signal according to the received connection request signal is performed.

  Here, when the connection request signal is not received from the portable device 10, it is determined that the connection process with the portable device 10 is not completed, and the process returns to the connection process with the portable device 10 in Step 410. Further, when a connection request signal is received from the portable device 10 and a response signal is returned in response to the received connection request signal, it is determined that the connection process with the portable device 10 is completed (YES in step 411). Further, it is determined whether or not the parking position information is received based on whether or not the parking position information is received via the I / F circuit 41 (step 412).

  If it is determined that the parking position information has not been received (NO in step 412), the determination in step 412 is repeated until the parking position information is received. When it is determined that the parking position information has been received (YES in step 412), the user is prompted to operate the operation switch group 46, and is connected to the Internet via the wireless unit 47. Then, the URL included in the parking position information is designated (step 413), the map data centered on the parking position is downloaded from the designated site, and the map centered on the downloaded parking position is displayed on the display unit 45 ( Step 414). Thereafter, the user can change the scale of the map by operating the operation switch group 46 in accordance with the homepage display screen.

(Other embodiments)
In addition, this invention is not limited to the said embodiment, Based on the meaning of this invention, it can implement with a various form.

  For example, in the above embodiment, as a signal indicating that the parking position of the vehicle has been determined, a signal indicating that the position of the ignition key has been turned off from on, a signal indicating that the ignition key has been removed from the key cylinder, For example, a signal indicating that the door for driving has been closed from the open state and a signal indicating that the door for getting on and off has been locked are shown as examples. However, the present invention is not limited to these signals. It is also possible to use a signal indicating that the shift lever is turned on, a signal indicating that the shift lever is put into parking, or the like.

  In the sixth embodiment and the seventh embodiment, the I / F circuit 17 of the portable device 10 and the I / F circuit 41 of the portable terminal 40 are connected by wire or wirelessly, and the memory 11 of the portable device 10 is connected. The example of transmitting the stored parking position information to the mobile terminal 40 has been described. For example, the parking position information is stored in a storage medium such as a memory card, and the parking position information is transmitted to the mobile terminal 40 via this storage medium. You may make it do.

  Moreover, in the said embodiment, when the character is contained in the parking position information transmitted from the transmission / reception circuit 21 of the body control apparatus 20, you may transmit the signal for outputting a character as a sound with a character. In this case, the portable device 10 may be provided with a speaker that outputs sound in accordance with a signal for outputting characters as sound.

  Further, in the sixth embodiment and the seventh embodiment, when the mobile terminal 40 receives the parking position information, the mobile terminal 40 automatically or prompts the user to operate the operation switch group 46 via the wireless unit 47. Although an example of connecting to the Internet has been described, the parking position may be displayed on the display unit 13 of the portable terminal 40 without connecting to the Internet.

  Moreover, in 6th Embodiment and 7th Embodiment, after the portable terminal 40 receives parking position information, it uses the user position information calculated from the GPS receiver 44 built in the portable terminal 40, and parking position You can also get directions and directions. Thus, the user can definitely reach the parking position.

It is a figure which shows the structure of the parking position confirmation system which concerns on 1st Embodiment of this invention. It is explanatory drawing about the parking lot management system in which the roadside machine was provided in each entrance upper part of a parking area. It is explanatory drawing about the portable device which displays a character on a display part. It is explanatory drawing about the portable device which displays an image on a display part. It is a flowchart about the parking position information transmission process by the control circuit of a navigation apparatus. It is a flowchart about the process of the control circuit of a body control apparatus. It is a flowchart about the process of the control circuit of the body control apparatus which concerns on 2nd Embodiment. It is a flowchart about the process of the control circuit of the body control apparatus which concerns on 3rd Embodiment. It is a flowchart about the process of the control circuit of the body control apparatus which concerns on 4th Embodiment. It is explanatory drawing about the parking lot management system which concerns on 5th Embodiment. It is a figure which shows the example of a display of the display apparatus of the navigation apparatus in 5th Embodiment. It is a figure which shows the structure of the portable device and portable terminal of the parking position confirmation system which concern on 6th Embodiment. It is a figure which shows the example of a connection of a portable device and a portable terminal. It is a figure which shows the process of the portable machine and portable terminal of the parking position confirmation system which concern on 6th Embodiment. It is a figure which shows the process of the portable device and portable terminal of the parking position confirmation system which concern on 7th Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... In-vehicle system, 10 ... Portable machine, 11 ... Memory, 12 ... Operation switch group,
13 ... Display screen, 14 ... Transmission / reception circuit, 15 ... Control circuit, 16 ... Antenna,
17 ... I / F circuit, 20 ... body control device, 21 ... transmission / reception circuit, 22 ... control circuit,
23 ... I / F circuit, 24 ... antenna, 30 ... navigation device, 31 ... external memory,
32 ... Position detector, 33 ... Control circuit, 34 ... Map data input device, 35 ... Antenna,
36 ... receiving circuit, 37 ... display device, 40 ... portable terminal, 41 ... I / F circuit,
42 ... Control circuit, 43 ... Memory, 44 ... GPS receiver, 45 ... Display unit,
46 ... Operation switch group, 47 ... Wireless circuit, 50 ... Roadside machine, 51 ... Roadside display machine,
60: Door control device, 70: In-vehicle LAN.

Claims (5)

A parking position confirmation system comprising an in-vehicle device (1) and a portable device (10),
The in-vehicle device (1)
A first communication means (21) for communicating with the portable device (10);
Position detecting means (32) for detecting the position of the vehicle;
The first communication means (21) transmits vehicle position information including the vehicle position detected by the position detection means (32) based on a signal indicating that the parking position of the vehicle is fixed. Control means (22, 33),
The portable device (10)
Second communication means (14) for receiving the vehicle position information from the in-vehicle device (1);
Storage means (11) for storing the vehicle position information received by the second communication means (14);
Parking position confirmation comprising: second control means (15) for outputting a signal for notifying the position of the vehicle based on the vehicle position information stored in the storage means (11). system. The signal indicating that the parking position of the vehicle has been determined is a signal indicating that the position of the ignition key has been turned off from on, a signal indicating that the ignition key has been removed from the key cylinder, and the door for getting on / off is open 2. The parking position confirmation system according to claim 1, wherein the parking position confirmation system is at least one of a signal indicating that the door is closed and a signal indicating that the boarding / alighting door is locked. The portable device (10) includes display means (13) that performs display in response to a signal from the second control means (15),
The second control means (15) displays the position of the vehicle on the display means (13) based on the vehicle position information stored in the storage means (11). The parking position confirmation system according to 2. The portable device (10)
A third communication means (17) for communicating with a portable terminal (40) having a display unit;
The second control means (15) transfers the parking position information stored in the storage means (11) to the portable terminal (40) via the third communication means (17), and The parking position confirmation system according to any one of claims 1 to 3, wherein the position is displayed on a display unit of the portable terminal (40). The in-vehicle device (1)
A fourth communication means (36) for receiving the parking position information from a parking position information transmitting means (50) for transmitting the parking position information indicating the parking position of the vehicle;
The first control means (22, 33) determines that the parking position of the vehicle has been determined based on a signal indicating that the parking position of the vehicle has been determined, and the fourth communication means (36 The parking position information received by the fourth communication means (36) instead of the vehicle position information including the position of the vehicle detected by the position detection means (32) when the parking position information is received by The parking position confirmation system according to claim 1, wherein the first communication means (21) transmits the information.

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