JP2001344696A - Parking lot guiding system, parking lot guiding device and portable equipment for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a parking lot guiding system, a parking lot guiding device and portable equipment for vehicle, for surely providing an occupant with the parking position of a vehicle by simple constitution. SOLUTION: As the infrastructure facilities of a parking lot, a control station center 40 provided with a memory 76 and slave stations 44a-44f for reception connected to the control station center 40 and installed for each prescribed block inside the parking lot or at every prescribed interval are included. The slave stations 44a-44f for the reception are made to receive signal originated by this portable equipment 30 operated by the occupant so as to lock the door of the vehicle after parking the vehicle. In the case that the slave stations 44a-44f for the reception receive the signals originated by the portable equipment 30, the ID code of the vehicle corresponding to the portable equipment 30 and the slave station NO of the slave station 44a-44f for the reception which performs the reception are stored in the memory 76 of the control station center 40. Then, in this guiding device 80 installed near the gateway for the occupant of the parking lot, the slave station NO stored in the memory 76 is provided for the occupant as the parking position of the vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parking lot guidance system, a parking lot guidance device, and a portable device for a vehicle.
The present invention relates to a parking lot guidance system, a parking lot guidance device, and a vehicle portable device that can provide parking information of a vehicle in a parking lot using a portable device that remotely controls an opening / closing body of the vehicle.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Patent Application Laid-Open No. 10-1163
As disclosed in Japanese Patent No. 99, a parking position confirmation device for notifying an occupant of a parking position of a host vehicle in a parking lot is known. This device uses a camera to identify the parking position where the vehicle is parked, and records the identified parking position in a parking ticket carried by the occupant. Therefore, even if the occupant forgets the parking position after parking the vehicle, the occupant can check the parking position of the vehicle by looking at the parking ticket.
Therefore, according to the above-mentioned conventional device, the occupant can be easily notified of the parking position of the vehicle.

[0003]

In the above-mentioned conventional apparatus, the parking position of the vehicle is recorded in a parking ticket issued at the entrance of the parking lot, so that the present invention is applied to a free parking lot where no parking ticket is used. The inconvenience that cannot be done arises. Further, in the above-described conventional device, after a parking ticket is issued at the entrance of the parking lot, the parking position where the vehicle is parked is identified,
Since the parking position needs to be recorded on the parking ticket, a camera or an image processing device for grasping the trajectory of the vehicle is required as an infrastructure facility, and the parking position acquired by the camera is recorded on the parking ticket after issuing the ticket. A separate processing device is required. For this reason, in the above-mentioned conventional device, a complicated configuration is required to allow the occupant to confirm the parking position of the vehicle.

[0004] The present invention has been made in view of the above points, and a parking guide system and a parking guide apparatus capable of reliably providing a passenger with a parking position of a vehicle with a simple configuration. , And a portable device for a vehicle.

[0005]

The above object is achieved by the present invention.
As described in, a portable device that remotely controls the opening and closing body of the vehicle, and an infrastructure facility that stores parking information of the vehicle corresponding to the portable device by receiving a signal emitted by the portable device when the vehicle is parked, In a predetermined situation, the parking lot guidance system includes: a parking information providing unit that provides parking information of a vehicle stored in the infrastructure facility to an occupant.

According to the first aspect of the present invention, a portable device for remotely controlling an opening / closing body of a vehicle generally transmits information unique to the vehicle to the vehicle when locking / unlocking the corresponding opening / closing body of the vehicle. send. Therefore, the infrastructure facility can record the parking information of the vehicle corresponding to the portable device by receiving the signal emitted by the portable device when the vehicle is parked. Then, the parking information providing means provides the occupant with the parking information under a predetermined situation. Therefore, according to the present invention, provision of parking information of a vehicle can be reliably realized with a simple configuration.

In the present invention, "parking information"
It refers to information related to parking of the vehicle, such as a parking position and a parking start time.

According to a second aspect of the present invention, in the parking lot guidance system according to the first aspect, the infrastructure facility has a plurality of receivers in a parking lot for receiving signals emitted from the portable device, A storage device that stores the position of the receiver that has received the emitted signal as parking position information of the vehicle corresponding to the portable device; and wherein the parking information providing unit stores the vehicle parking information stored in the storage device. A parking lot guidance system characterized by providing position information to an occupant is effective in providing a detailed parking position of a vehicle to an occupant.

[0010] In the invention according to claim 2, the infrastructure facility has a plurality of receivers for receiving signals emitted from the portable device in the parking lot. The communication range of a portable device is generally limited to a short distance. For this reason, the receiver that can receive the signal emitted by the portable device is limited to a part of the receiver in the parking lot. In the present invention, the position of the receiver that has received the signal emitted from the portable device is stored as parking position information of the vehicle corresponding to the portable device. Therefore, according to the present invention, the occupant can be provided with detailed parking position information of the vehicle with a simple configuration.

[0010] The above object is also achieved by a receiver which is provided in a parking lot and which receives a signal emitted from a portable device for remotely controlling an opening / closing body of a vehicle, wherein the receiver comprises: A storage unit that stores a position of the receiver as parking position information of a vehicle corresponding to the mobile device by receiving a signal emitted from the mobile device, and a vehicle storage device that is stored in the storage unit in a predetermined situation. And a parking information providing unit that provides parking position information to the occupant.

[0011] In the twelfth aspect of the present invention, a plurality of receivers for receiving signals from a portable device for remotely controlling an opening / closing body of a vehicle are provided in a parking lot. The communication range of a portable device is generally limited to a short distance. In the present invention, the position of the receiver that has received the signal emitted from the portable device is stored as parking position information of the vehicle corresponding to the portable device. Therefore, according to the present invention, the occupant can be provided with detailed parking position information of the vehicle with a simple configuration.

By the way, the intensity of the signal emitted from the portable device is
The farther away from the portable device, the smaller. For this reason, the receiver receives a signal having a higher intensity as the receiver is closer to the portable device.

Therefore, as described in claim 3, in the parking lot guidance system according to claim 2, the infrastructure facility further includes a signal strength detection device for detecting the strength of a signal received by the receiver. The storage device may store the position of the receiver having the highest signal strength by the signal strength detection device as parking position information of a vehicle corresponding to the portable device.

According to a thirteenth aspect of the present invention, in the parking lot guide device according to the twelfth aspect, there is provided a signal strength detecting means for detecting a strength of a signal received by the receiver, and the storage means is provided with the signal strength detecting means. The position of the receiver having the largest signal intensity by the intensity detection means may be stored as parking position information of the vehicle corresponding to the portable device.

By the way, unless the portable device transmits a signal including the identification information of the vehicle corresponding to the portable device, the information of the vehicle corresponding to the portable device cannot be distinguished from the information of the other vehicles. .

Therefore, as described in claim 4, in the parking lot guidance system according to claim 1, the portable device includes:
By transmitting a signal including identification information of a vehicle corresponding to the portable device, the infrastructure facility receives a signal including identification information of a vehicle issued by the portable device,
The parking information of the vehicle corresponding to the portable device may be stored.

Further, when the occupant loses the portable device after parking the vehicle, the parking position of the vehicle is provided by using the portable device, and the vehicle may escape.

Therefore, as described in claim 5, in the parking lot guidance system according to claim 1, the portable device includes:
When transmitting a signal including the unique information of the occupant of the vehicle corresponding to the portable device, and receiving the signal including the unique information of the occupant of the vehicle emitted by the portable device, the infrastructure facility transmits the signal to the portable device. The parking information of the corresponding vehicle and the unique information of the occupant may be stored in association with each other.

According to a fourteenth aspect of the present invention, in the parking lot guidance device according to the twelfth aspect, the storage means includes:
When the receiver receives a signal including the unique information of the occupant of the vehicle emitted from the portable device, the receiver may store the parking position information of the vehicle corresponding to the portable device and the unique information of the occupant in association with each other.

In this configuration, when the parking providing means provides the parking information of the vehicle, the occupant is requested to input an occupant-specific information such as a personal identification number, and the inputted personal identification number and the like are stored. It is possible to provide the parking information of the vehicle only when it matches. In this case,
Since parking information of the vehicle is not provided to a person who does not know the personal identification number or the like even if the user carries the portable device, it is possible to prevent the vehicle from being easily escaped.

In this configuration, when the occupant notifies the information as information prohibiting the provision by the parking providing means after the information specific to the occupant is stored in the infrastructure facility, the parking information of the corresponding vehicle is deleted. It is possible not to be provided by the parking providing means. In this case, parking information of the vehicle is not provided to the person carrying the portable device, and as a result, the vehicle is prevented from being easily evacuated, and the reliability of the parking guide system is reduced. Is improved.

According to a sixth aspect of the present invention, in the parking lot guidance system according to the first aspect, the infrastructure facility transmits a signal to a vehicle so that the portable device locks the opening / closing body. By receiving the signal
This is achieved by a parking lot guidance system that stores parking information of a vehicle corresponding to the portable device.

In the invention according to claim 6, after the vehicle is parked in the parking lot, the portable device sends a signal to the vehicle to lock the opening / closing body of the vehicle. Therefore, if the infrastructure facility receives the signal, it is possible to store the parking information of the vehicle corresponding to the portable device without executing any special processing.

Also, as described in claim 7, claim 1
In the parking lot guidance system according to the above, the portable device responds to a first request signal transmitted from an infrastructure facility,
A first response signal is transmitted to notify the infrastructure information of the vehicle to the infrastructure facility, and the infrastructure facility responds to the portable device by receiving the first response signal transmitted by the portable device. A parking lot guidance system that stores vehicle parking information is effective in eliminating the need for an occupant to perform operation when storing vehicle parking information in an infrastructure facility.

[0025] In the invention according to claim 7, the portable device comprises:
In response to the first request signal transmitted from the infrastructure facility, a first response signal is transmitted to notify the infrastructure facility of vehicle identification information. For this reason, if the infrastructure facility receives the first response signal transmitted from the portable device,
The parking information of the vehicle corresponding to the portable device can be stored without any operation by the occupant. Therefore,
ADVANTAGE OF THE INVENTION According to this invention, when storing parking information of a vehicle in an infrastructure facility, operation by an occupant can be made unnecessary.

According to a fifteenth aspect of the present invention, in the parking lot guidance device according to the twelfth aspect, a transmitter is provided in the parking lot and transmits a predetermined request signal to the portable device. By receiving the predetermined response signal transmitted by the portable device in response to the predetermined request signal transmitted from the transmitter, the receiver receives the parking position information of the vehicle corresponding to the portable device A parking lot guidance device characterized by storing is effective in eliminating the need for an occupant's operation when storing parking information of a vehicle in an infrastructure facility.

[0027] In the invention according to claim 15, a plurality of transmitters for transmitting a predetermined request signal to the portable device are provided in the parking lot. If the receiver receives the predetermined response signal transmitted by the portable device in response to the predetermined request signal transmitted by the transmitter, the vehicle corresponding to the portable device can be operated without any operation by the occupant. Parking information can be stored. Therefore, according to the present invention, the operation by the occupant can be made unnecessary when the parking information of the vehicle is stored in the infrastructure facility.

In this case, when the parking information of the vehicle is stored in the infrastructure facility, confidentiality is not required for the signal emitted from the portable device. On the other hand, when remotely controlling an opening / closing body of a vehicle, confidentiality is required for a signal emitted from a portable device.

Therefore, as described in claim 8, in the parking lot guidance system according to claim 7, the portable device includes:
Further, in response to the second request signal transmitted from the vehicle,
A second response signal is transmitted to remotely control the opening / closing body, and the first request signal and the response signal are transmitted to the second response signal.
The signal may be less confidential than the request signal and the response signal.

According to the present invention, when a first request signal transmitted from a vehicle is received, a first response signal is transmitted to remotely control an opening / closing body of the vehicle. When the device receives the second request signal transmitted from the infrastructure facility, the second response is less confidential than the first response signal so as to notify the vehicle of the identification information to the infrastructure facility. A signal may be transmitted.

In addition, as described in claim 9, claim 1
The parking lot guidance system according to the above, wherein the parking information providing means provides parking information of the vehicle requested by the occupant when a predetermined operation is performed by the occupant. Is effective in providing vehicle parking information only when requested.

According to the ninth aspect of the present invention, the parking information of the vehicle is provided when the occupant performs a predetermined operation.
Therefore, according to the present invention, the parking information of the vehicle can be provided only when requested by the occupant.

[0033] According to a twelfth aspect of the present invention, in the parking lot guide device according to the twelfth aspect, the parking information providing means may park the vehicle requested by the occupant when the occupant performs a predetermined operation. A parking lot guidance device characterized by providing position information is effective in providing parking information of a vehicle only when requested by an occupant.

[0034] In the invention according to claim 16, the parking information of the vehicle is provided when the occupant performs a predetermined operation. Therefore, according to the present invention, the parking information of the vehicle can be provided only when requested by the occupant.

According to a tenth aspect of the present invention, in the parking lot guidance system according to the first aspect, the parking information providing means responds to the predetermined request signal transmitted from the infrastructure facility by the portable device. In this case, the parking lot guidance system, which provides parking information of the vehicle corresponding to the portable device, provides the occupant with the parking information of the vehicle at an appropriate time without any operation by the occupant. Is effective in

In the tenth aspect, the parking information of the vehicle is provided when the portable device responds to a predetermined request signal transmitted from the infrastructure facility. Therefore, according to the present invention, the occupant does not perform any operation,
The occupants can be provided with vehicle parking information at an appropriate time.

[0037] According to a seventeenth aspect of the present invention, in the parking lot guidance device according to the twelfth aspect, the parking information providing means includes a predetermined request signal transmitted from a transmitter installed at an entrance of the parking lot. When the portable device responds to the request, the parking lot guidance device, which provides parking position information of the vehicle corresponding to the portable device, provides the occupant at an appropriate time without any operation by the occupant. This is effective in providing the parking information of the vehicle to the vehicle.

According to the seventeenth aspect, the parking information of the vehicle is provided when the portable device responds to a predetermined request signal transmitted from the transmitter installed at the entrance of the parking lot. Therefore, according to the present invention, the occupant can be provided with the parking information of the vehicle at an appropriate time without any operation by the occupant.

Incidentally, after the vehicle leaves the parking lot, it is not necessary to store the parking information of the vehicle in the infrastructure facility.

Therefore, as described in claim 11, in the parking lot guidance system according to claim 1, when the vehicle leaves the parking lot, the infrastructure facility erases the stored parking information of the vehicle. You may do it.

According to a twelfth aspect of the present invention, in the parking lot guide device according to the twelfth aspect, when the vehicle leaves the parking lot, the parking position information of the vehicle stored in the storage means is deleted. It may be provided with an erasing means for performing the operation.

[0042]

FIG. 1 is a system configuration diagram of a vehicle locking system according to an embodiment of the present invention. As shown in FIG. 1, the locking system according to the present embodiment includes a locking electronic control unit (hereinafter, referred to as a locking ECU) mounted on a vehicle.
20. The locking ECU 20 includes the antenna 2
2, a receiving unit 24 that amplifies and demodulates a signal received by an antenna 22, and a door control motor 26 that locks (unlocks) or unlocks (unlocks) each door of the vehicle. The locking ECU 20 controls the door control motor 26 based on the signal received by the antenna 22, and controls locking and unlocking of each door of the vehicle. The locking ECU 20 has a built-in memory in which an ID code and the like of the vehicle are stored.

The locking system of this embodiment further includes a portable device 30 that can be carried by an occupant. The portable device 30 is a device for locking and unlocking the door of the vehicle remotely without contact. The portable device 30 includes a portable electronic control unit (hereinafter, referred to as a portable ECU) 32. Portable E
The CU 32 has a built-in memory in which the ID code of the vehicle corresponding to the portable device 30 is stored. Portable device 30
Includes a switch 34. Switch 34
Is connected to the portable ECU 32 and supplies a predetermined signal to the portable ECU 32 when an operation is performed. The portable ECU 32 is connected to a transmitting unit 38 on which an antenna 36 is mounted. The transmitting unit 38 modulates the vehicle ID code and the like stored in the memory,
6 to the outside. The signal transmitted from the transmitting unit 38 is given such an intensity that the communicable area becomes several meters. The portable ECU 32 includes a switch 34
It is determined whether or not the switch 34 has been operated on the basis of the signal from the controller 40. When the switch is operated, the information such as the vehicle ID code stored in the memory is transmitted to the outside via the transmission unit 38. .

In the above system, when the switch 34 of the portable device 30 is operated, the portable device 30 transmits the ID of the vehicle.
A signal containing the code is transmitted within a predetermined range. When the distance between the vehicle and the portable device 30 decreases, the receiving unit 24 of the vehicle
Receives the signal emitted by the portable device 30. When the receiving unit 24 receives a signal from the portable device, the vehicle locking ECU 20 collates the vehicle ID code in the signal with the vehicle ID code stored in its own memory.

As a result, if they match, the locking EC
U20 controls the door control motor 26 to unlock the vehicle door if it is locked.
Supply the drive signal to When the door of the vehicle is unlocked, a drive signal is supplied to the door control motor 26 to lock the door. As described above, in the present embodiment, the locking ECU 20 controls the driving of the door control motor 26 based on the transmission signal from the portable device 30 so that each door of the vehicle is locked or unlocked. Therefore, according to the system of the present embodiment, by using the portable device 30 capable of transmitting and receiving a predetermined signal to and from the vehicle, the door of the vehicle can be locked or unlocked remotely without contact.

FIG. 2 shows a configuration diagram of an infrastructure facility of the parking lot guidance system of this embodiment. As shown in FIG. 2, the infrastructure facility includes a control station center 40, which is controlled by the control station center 40. A plurality (six in FIG. 2) of receiving slave stations 44a to 44f each having an antenna 42 are connected to the control station center 40. Communication between the control station center 40 and the receiving slave stations 44a to 44f is as follows.
The communication may be wire communication or wireless communication. The receiving slave stations 44a to 44f are provided for each predetermined block in the parking lot.
Alternatively, they are installed at predetermined intervals. Each of the receiving slave stations 44a to 44f is configured to be able to receive the signal generated by the portable device 30 for locking and unlocking the door of the vehicle.

FIG. 3 shows the receiving slave stations 44a to 44a of this embodiment.
4f shows a configuration diagram. As shown in FIG.
a to 44f denote an antenna 42 and a detection circuit 4 respectively.
6 and a control CPU 50. Detection circuit 46
Is a preamplifier 52, a mixer 54, a local oscillator 5
6, a PLL synthesizer 58, an IF filter 60, and a limiter amplifier 62. PLL synthesizer 58
Are connected to the control CPU 50. The PLL synthesizer 58 is controlled by a local oscillator 56 by the control CPU 50.
High-speed sweep of the oscillation frequency of RSSI (Received
Signal strength Indicator)
The antenna has a function of tuning a signal received by the antenna.

The limiter amplifier 62 is connected to a binarization circuit 66 via a quadrature detection circuit 64, and is directly connected to a binarization circuit 68 and an A / D converter 70. Output signals of the binarization circuits 66 and 68 are supplied to a code processing unit 72 in the control CPU 50, respectively. The output signal of the A / D converter 70 is supplied to the control CPU 50. The control CPU 50 controls the A /
It is determined whether the signal received by the antenna 42 is modulated by the ASK modulation method or the FSK modulation method based on the output signal of the D converter 70, and the code processing unit 72 is determined based on the result of the determination. The supplied binarization circuit 6
One of the output signals 6, 68 is recognized as a signal emitted from the portable device 30.

The receiving slave stations 44a to 44f respectively
A temporary storage register 74 is provided. Receiving slave station 44a
To 44f, when the signal transmitted from the portable device 30 is received,
After demodulating the signal, the ID code of the vehicle corresponding to the portable device 30 and the reception time (hereinafter, referred to as reception time) are stored in the temporary storage register 74. The control station center 40 assigns a slave station number and a temporary storage register 74 to each of the slave stations 44a to 44f in a time division manner so that signals supplied from the slave stations 44a to 44f do not interfere with each other.
The vehicle ID code and the like stored in the vehicle are supplied.
That is, each of the receiving slave stations 44 a to 44 f supplies its own slave station number and information stored in the temporary storage register 74 to the control station center 40 in accordance with an instruction from the control station center 40.

FIG. 4 shows each receiving slave station 4 in this embodiment.
4 is a diagram for explaining transmission and reception of signals between 4a to 44f and the control station center 40. When the above information is stored in the temporary storage register 74, the receiving slave stations 44a to 44f first transmit a signal to notify the control station center 40 of the information (hereinafter, referred to as a notification signal). To the control center 40. FIG. 4 shows the receiving slave station 4.
4b and 44c have transmitted the notification signal almost simultaneously. When receiving the notification signals of the receiving slave stations 44a to 44f, the control center 40 temporarily stores the temporary storage registers 74 in all the receiving slave stations 44a to 44f.
(Hereinafter, referred to as a transmission request signal) is transmitted in a time-division manner.

When receiving the transmission request signal from the control station center 40, the receiving slave stations 44a to 44f store their own slave station No., the fact that the transmission request signal has been received, and store them in the temporary storage register 74. The information having the earliest reception time out of the existing information is transmitted to the control center 40. When receiving the information stored in the temporary storage register 74, the receiving slave stations 44a to 44f delete the information from the temporary storage register 74. The temporary storage register 7
If no information is stored in the slave station 4, its own slave station N
Send only O.

The control station center 40 has a memory 76 as shown in FIG. 2, and when receiving signals from the respective receiving slave stations 44a to 44f, the slave station NOs of the receiving slave stations 44a to 44f. And the vehicle ID code and the reception time are stored in the memory 76 in association with each other. If the signals from the plurality of receiving slave stations 44a to 44f indicate the same vehicle ID code and the same reception time, the control center 40 responds to the vehicle ID code and the like. The slave station numbers of the plurality of slave stations for reception 44a to 44f are stored in the memory 76. If the transmission signals of the plurality of receiving slave stations 44a to 44f represent different reception times even though they represent the same vehicle ID code, the earliest reception time is stored. The slave station numbers of the slave stations for reception 44a to 44f that have been used are stored in the memory 76.

As shown in FIG. 2, the control center 40
Guidance device 80 installed near the entrance for passengers in the parking lot
Is connected. The guide device 80 includes a guide electronic control unit (hereinafter, referred to as a guide ECU) 82. The guide ECU 82 includes a receiving unit 86 on which an antenna 84 is mounted, a voice instruction unit 88 for driving a speaker, and
A display unit 90 for driving a display monitor is connected. The receiving unit 86 of the guide device 80 has the same configuration as the above-described receiving slave stations 44a to 44f except for the temporary storage register 74, and is configured to be able to receive a signal emitted from the portable device 30. I have.

The receiving section 86 of the guide device 80 is provided with the antenna 8
When a signal transmitted from the portable device 30 is received at 4, a demodulated signal obtained by demodulating the signal is supplied to the guidance ECU 82.
The guidance ECU 82 transfers the signal supplied from the receiving unit 86 to the control center 40. And the control center 4
0 indicates that the ID code of the vehicle in the signal is
Is determined, and when a positive determination is made, the guide device 80 is notified of the slave station numbers of the slave stations 44a to 44f stored corresponding to the ID code. When a signal indicating the slave station number is supplied from the control station center 40 after the signal emitted from the portable device 30 is received by the antenna 84, the guidance ECU 82 performs voice guidance of the slave station number from the speaker, and displays the signal on the display monitor. A drive signal is supplied to the voice instruction unit 88 and the display unit 90 so as to be displayed.

As described above, in the system according to the present embodiment, when the occupant operates the switch 34 of the portable device 30 corresponding to the vehicle to lock the door of the vehicle after the vehicle is parked in the parking lot. When the signals transmitted from the portable device 30 are received by the receiving slave stations 44a to 44f in the parking lot, the ID code of the vehicle is paired with the slave stations NO of the received receiving slave stations 44a to 44f. And stored in the control center 40 of the parking lot. And then, the guiding device 8
When the occupant operates the switch 34 of the portable device 30 around 0, the reception slave station stored in the memory 76 of the control station center 40 is paired with the ID code of the vehicle corresponding to the portable device 30. The slave stations NO of 44a to 44f are provided to the occupant by the guide device 80 as the position where the vehicle is parked.

Therefore, according to the system of this embodiment, even if the occupant has parked the vehicle in the parking lot and has forgotten the parking position of the vehicle, the occupant can move the portable device 30 around the guidance device 80. By operating the vehicle, the occupant can be made aware of the parking position of the vehicle. When the occupant does not operate the portable device 30 around the guidance device 80, the parking position of the vehicle is not provided to the occupant. For this reason, according to the present embodiment, it is possible to provide the parking position of the vehicle only when the occupant requests.

In this embodiment, when the occupant operates the switch 34 of the portable device 30 to lock the door of the vehicle,
When the signal transmitted from the portable device 30 is received by the receiving slave stations 44a to 44f installed in the parking lot, the portable device 3
The parking position of the vehicle corresponding to 0 is specified and stored. For this reason, according to the present embodiment, it is not necessary for the infrastructure facility to positively identify the parking position of the vehicle using a camera, an image processing device, or the like, and it is not necessary to store the parking position of the vehicle. , The receiving slave stations 44a to 44f
It is not necessary to execute any special processing other than receiving the signal generated by. Therefore, according to the system of the present embodiment, it is possible to reliably provide the occupant with the parking position of the vehicle with a simple configuration. In this regard, in the present embodiment, the convenience of the system for providing the occupant with the parking position of the vehicle is improved.

In this embodiment, as described above,
Of all the receiving slave stations 44a to 44f, the portable device 30
Is received, and the slave station NO is provided to the occupant as the parking position of the vehicle. For this reason, according to this embodiment, when providing the occupant with the parking position of the vehicle, it is possible to provide the detailed parking position of the vehicle. Also, the signal generated by the portable device 30 is transmitted to a plurality of receiving slave stations 44a.
To the reception stations at the same time, the slave station numbers of the plurality of reception slave stations 44a to 44f are
0 is stored in the memory 76. In this case, the slave stations NO of the plurality of slave stations for reception 44a to 44f are provided to the occupant as the parking position of the vehicle. For this reason, according to the present embodiment, it is possible to provide the occupant with a more detailed parking position of the vehicle.

Further, in this embodiment, when the signal transmitted from the portable device 30 is received by the plurality of receiving slave stations 44a to 44f at different times, the plurality of receiving slave stations 44a to 44f are used.
The slave station number of the earliest reception time out of a to 44f is stored in the memory 76 of the control station center 40. In this case, the slave stations NO of the slave stations for reception 44a to 44f storing the earliest reception time are provided to the occupant as the parking position of the vehicle. Therefore, according to the present embodiment,
After the vehicle is parked and the doors are locked, the signal generated by the portable device 30 due to the occupant accidentally operating the portable device 30 while walking in the parking lot is received by the receiving slave stations 44a to 44a. Even when the data is received at 44f, it is avoided that the child station numbers of the receiving child stations 44a to 44f are stored in the memory 76 of the control station center 40. Therefore, according to the system of the present embodiment, it is possible to prevent an erroneous parking position from being provided to the occupant due to an erroneous operation of the portable device 30.

In the present embodiment, the receiving slave stations 44a to 44a-4
4f indicates whether the signal emitted from the portable device 30 is modulated by the ASK modulation method, or is modulated by the FSK modulation method, or is modulated at any frequency. Demodulate properly. For this reason, according to the system of the present embodiment, the portable device 3
0, even if the modulation method or the modulation frequency of the signal emitted by the portable device 30 is different, that is, even if the signal emitted from the portable device 30 of each vehicle is not compatible, the ID of the vehicle in the signal emitted from the portable device 30 is properly determined. The code can be read.

After the vehicle leaves the parking lot, it is not necessary to store the ID code, reception time and slave station number of the vehicle in the control center 40. Therefore, in the present embodiment, when the occupant operates the portable device 30 to lock the door of the vehicle in a situation where the vehicle ID code and the like are stored in the control center 40, the portable device 30 transmits the ID code. Receiving slave stations 44a-44f that have received the signal, and receiving slave stations 44a-44f that have received a signal transmitted from the portable machine 30 when the occupant operates the portable machine 30 to unlock the door of the vehicle. Are matched, the portable device 3
The ID code or the like of the vehicle corresponding to 0 is deleted from the memory 76 of the control center 40. Therefore, according to the present embodiment, it is not necessary to store the parking position information of the unnecessary vehicle in the control station center 40 of the parking lot for a long time, and the capacity of the memory 76 of the control station center 40 is increased. It is no longer necessary.

Incidentally, in the first embodiment,
When the occupant operates the switch 34 of the portable device 30 in order to lock the door of the vehicle, a signal generated by the portable device 30 is received by the receiving slave stations 44a to 44f installed in the parking lot, so that the portable device is operated. Although the parking position of the vehicle corresponding to the machine 30 is specified and stored, the present invention is not limited to this, and the mobile stations for reception 44a to 44f are separately provided from the locking of the door of the vehicle. The parking position of the vehicle corresponding to the portable device 30 may be specified and stored by transmitting a signal from the device 30. In this case,
Only when the occupant wants to store the parking position of the vehicle on the parking lot side as the infrastructure facility, the parking position of the vehicle is stored on the parking lot side.

Further, in the first embodiment, six receiving slave stations 44a to 44f are provided in the parking lot. However, the present invention is not limited to this. The receiving slave station 44 may be provided accordingly. Therefore, according to the system of the present embodiment, even when the parking lot is large, the function as a system for providing the parking position of the vehicle can be sufficiently exhibited by increasing the number of receiving slave stations. It is possible.

Further, in the above-described first embodiment, the signal transmitted from the portable device 30 is transmitted to the plurality of receiving slave stations 44a to 44f.
At the same time, the plurality of receiving slave stations 4
The slave station numbers 4a to 44f are stored in the memory 7 of the control station center 40.
6 is stored in the control center 40,
a to 44f are provided with a device for detecting the strength of the signal received, and the receiving slave station 44a having the highest strength of the received signal.
The memory 7 of the control station center 40 stores only the slave station numbers
6 may be stored. The receiving slave stations 44 a to 44 f having the highest received signal strength are present at positions closest to the portable device 30. Therefore, according to such a configuration, even if a signal emitted from the portable device 30 is received at the same time by a number of receiving slave stations 44a to 44f when the vehicle is parked, the receiving slave provided to the occupant as the vehicle parking position is provided. Stations 44a-
Since there is no plurality of slave stations NO of 44f, it is possible to prevent the parking position provided to the occupant from being unclear. In this case, the device for detecting the strength of the signal received by the receiving slave stations 44a to 44f provided in the control station center 40 corresponds to the "signal strength detecting device" described in the claims. At the same time, the device detects the strength of the signals received by the receiving slave stations 44a to 44f, thereby providing the "signal strength detecting means" described in the claims.
Is realized.

Next, a second embodiment of the present invention will be described with reference to FIGS.

In the above-described first embodiment, the portable device 30 that emits a signal for locking and unlocking the door of the vehicle according to the operation of the switch by the occupant is used. On the other hand, in the present embodiment, the portable device 100 that issues a signal for locking and unlocking the door of the vehicle when a predetermined signal from the vehicle is received without any operation by the occupant. Is used.

FIG. 5 is a system configuration diagram of the vehicle locking system according to the present embodiment. As shown in FIG. 5, the locking system according to the present embodiment includes a locking ECU 102 mounted on a vehicle. The locking ECU 102 includes an antenna 104
, A transmission unit 110 equipped with an antenna 108, and a door control motor 112 for locking or unlocking each door of the vehicle. The receiving unit 106 is a circuit that amplifies and demodulates a signal received by the antenna 104. In addition, the transmitting unit 110
This is a circuit for modulating a signal to be transmitted from the antenna 108. The signal transmitted from the transmitting unit 110 is given such an intensity that the communicable area becomes several meters. ECU for locking
102, after a predetermined signal is transmitted from the antenna 108, when the portable device 100 responds to the signal and the response signal is received by the antenna 104, the door control motor 112 is controlled based on the response signal. Controls the locking and unlocking of each door of the vehicle. EC for locking
U102 has a built-in memory in which the ID code and the like of the vehicle are stored.

In this embodiment, the portable device 100 is a device for locking and unlocking the door of the vehicle remotely without contact. The portable device 100 includes a portable ECU 114. The portable ECU 114 has an antenna 116
And a receiving unit 122 equipped with an antenna 120 are connected. The signal transmitted from the transmitting unit 118 of the portable device 100 includes the transmitting unit 1 on the vehicle side.
The same strength as that of the signal transmitted from 10 is provided so that the communicable area becomes several meters. Portable ECU1
14 has a built-in memory 124 in which the ID code of the vehicle corresponding to the portable device 100 is stored. Memory 12
In addition, a serial code unique to the occupant that is easy for the occupant to memorize, such as a date of birth or a telephone number, other than the ID code of the vehicle, is stored in 4.

In the above system, when the door is locked while the power of the vehicle is stopped, the ECU for locking the vehicle is used.
102 denotes an antenna 1 of the transmitting unit 110 at regular intervals.
From 08, a predetermined signal (hereinafter, referred to as a vehicle request signal) including the own vehicle ID code modulated and encrypted by the transmission unit 110 is transmitted. Under such circumstances, when the occupant carrying the portable device 100 approaches the vehicle, specifically, when the vehicle enters the communicable area of the portable device 100, the portable device 100 is emitted from the vehicle side. Receive a vehicle request signal.

In this case, the portable ECU 1 of the portable device 100
After the receiving unit 122 demodulates the vehicle request signal and decrypts the code, the receiving unit 122 compares the ID code of the vehicle request signal with the ID code stored in its own memory 124. Then, when they match, a predetermined signal (hereinafter, referred to as a first portable-side response signal) including the own vehicle ID code modulated and encrypted by the transmitting unit 118 is transmitted from the antenna 116. . EC for locking
U102, when transmitting the vehicle request signal from antenna 108 of transmitting section 110 and then receiving the first mobile-side response signal at antenna 104 of receiving section 106, receiving section 106 demodulates the first mobile-side response signal. After decrypting the code, the ID code of the signal is compared with the ID code stored in its own memory. Then, when they match, it is determined that the legitimate occupant has approached the vehicle, and a drive signal is supplied to the door control motor 112 to unlock the door of the vehicle.

Also, when the vehicle door is opened and closed after the power of the vehicle is stopped, the locking ECU 102 transmits a vehicle request signal from the antenna 108. When the vehicle request signal transmitted from the vehicle side is received by the antenna 120, the portable ECU 114 decrypts the vehicle request signal after the receiving unit 122 decrypts the vehicle request signal.
The ID code and the ID code stored in the memory 124 are collated, and if they match, the first
The mobile-side response signal is transmitted. And locking E
When the first mobile-side response signal is received by the antenna 104, the CU 102 checks the ID code in the signal against the ID code stored in its own memory. Control motor 11 to lock the vehicle doors as the vehicle moves away from the vehicle
2 is supplied with a drive signal.

As described above, in this embodiment, the locking E
The CU 102 controls the driving of the door control motor 112 based on the first portable response signal transmitted by the portable device 100 after the transmission of the vehicle request signal so that each door of the vehicle is locked or unlocked. . Therefore,
According to the system of the present embodiment, by using the portable device 100 capable of transmitting and receiving a predetermined signal to and from the vehicle, the occupant of the vehicle can remotely operate the door of the vehicle in a non-contact manner without performing any operation. Can be locked or unlocked. FIG.
1 shows a configuration diagram of an infrastructure facility of a parking lot guidance system of the present embodiment. As shown in FIG. 6, the infrastructure facility includes a control station center 140 and is controlled by the control station center 140. Each of the control center 140 has an antenna 1
A plurality of (six in FIG. 6) receiving slave stations 1 having 42
44a to 144f are connected. Communication between the control station center 140 and the receiving slave stations 144a to 144f may be wire communication or wireless communication. The receiving slave stations 144a to 144f are provided for each predetermined block of the parking lot, similarly to the receiving slave stations 44a to 44f of the first embodiment.
Alternatively, they are installed at predetermined intervals. Each of the receiving slave stations 144a to 144f transmits a fixed signal (hereinafter, referred to as an unencrypted signal) from the antenna 142 at predetermined time intervals.
(Referred to as a fixed signal), and a signal emitted from the portable device 100 can be received by the antenna 142. Each of the receiving slave stations 144a to 144f includes a temporary storage register 146.

FIG. 7 shows the receiving slave station 14 in this embodiment.
FIGS. 4A to 144F are diagrams for explaining transmission and reception of signals between the portable device 100 and the portable device 100. In the present embodiment, when a signal from the outside is received, the portable ECU 114 of the portable device 100 determines whether the signal is a vehicle request signal issued by the vehicle, or is issued by the receiving slave stations 144a to 144f. It is determined whether the signal is a fixed signal. As a result, the portable device 100 transmits the fixed request generated by the receiving slave stations 144a to 144f within a predetermined period after transmitting the first portable response signal to the vehicle in response to the vehicle request signal from the vehicle. If it is determined that the signal has been received, a signal obtained by modulating the serial code stored in the memory 124 by the transmitting unit 118 without encrypting the occupant's easy-to-store serial code (hereinafter, referred to as a second mobile-side response signal) Is transmitted from the antenna 116.

Then, the receiving slave stations 144a to 144f
When receiving the second mobile-side response signal emitted from the mobile device 100, the mobile device 100 demodulates the signal and stores the serial code and the reception time in the temporary storage register 146. The control station center 140 controls each of the receiving slave stations 144a to 144a.
Each of the receiving slave stations 144a to 144f is provided with a slave station N in a time division manner so that signals supplied from
O and the serial code stored in the temporary storage register 146 are supplied. That is, each of the receiving slave stations 14
4a to 144f are the receiving slave stations 44a of the first embodiment.
In the same manner as in .about.44f, the local station NO and the information stored in the temporary storage register 146 are supplied to the control station center 140 in accordance with the instruction of the control station center 140.

The control station center 140 has a memory 148, and when receiving a signal from each of the receiving slave stations 144a to 144f, a slave station NO of the receiving slave stations 144a to 144f and a serial code unique to the occupant. And the reception time are stored in the memory 148 in association with each other.

The control station center 140 is connected to a guide device 150 installed near the entrance for passengers in the parking lot. The guidance device 150 includes a guidance ECU 152. A transmission / reception unit 156 having an antenna 154 mounted thereon and a request switch 158 operable from outside are connected to the guidance ECU 152. Guidance device 150
The transmission / reception unit 156 is configured to be able to transmit a predetermined signal,
6 has the same configuration as that of the above-described receiving slave stations 144a to 144f, and is configured to be able to receive a signal emitted from the portable device 100.

FIG. 8 shows a guide device 150 according to this embodiment.
FIG. 2 is a diagram for explaining transmission and reception of a signal between the mobile device 100 and the mobile device 100. When the request switch 158 is operated, the guidance device 150 transmits a non-encrypted fixed signal from the antenna 154. The portable device 100 includes a guide device 15
When receiving the fixed signal generated by 0, the receiving slave station 144
As in the case where the fixed signals issued by the signals a to 144f are received, the serial code easily stored by the occupant stored in the memory 124 is transmitted from the antenna 116 as a second mobile-side response signal without encryption.

When the antenna 154 receives the second portable device-side response signal from the portable device 100, the transmitting / receiving unit 156 of the guide device 150 supplies a demodulated signal obtained by demodulating the signal to the guiding ECU 152. Guidance ECU1
52 transfers the signal supplied from the transmission / reception unit 156 to the control station center 140. And the control center 140
Indicates the serial code unique to the occupant in the signal
It is determined whether or not the information is stored in the slave station 48, and when the determination is affirmative, the guide station 150 is notified of the slave station numbers of the slave stations 144a to 144f stored corresponding to the serial code.

The guidance ECU 152 is also connected to a voice instruction unit 160 for driving a speaker and a display unit 162 for driving a display monitor. Guidance ECU 15
2 is the control center 1 after the second mobile-side response signal emitted from the mobile device 100 is received by the antenna 154.
When a signal indicating the slave station number is supplied from 40, the slave station number is supplied with a drive signal to the voice instruction unit 160 and the display unit 162 so that the slave station number is guided by a speaker and displayed on a display monitor.

As described above, in the system according to the present embodiment, after the vehicle is parked in the parking lot and signals are transmitted and received between the vehicle and the portable device 100 to lock the door of the vehicle, the parking lot is stopped. The portable device 100 issues a second portable-side response signal in response to the fixed signal generated by the receiving slave stations 144a to 144f, and transmits the signal to the receiving slave stations 144a to 144f.
4f, the serial code unique to the occupant in the signal is received by the receiving slave stations 144a-144.
f the child station NO and a parking lot control station center 140
Is stored.

When the occupant operates the request switch 158 of the guide device 150, a signal is transmitted and received between the portable device 100 carried by the occupant and the guide device 150. Receiving slave stations 144a-14 stored in the memory 148 of the control center 140 in pairs with the serial code unique to the occupant.
The slave station NO of 4f is provided to the occupant by the guide device 150 as a position where the vehicle corresponding to the portable device 100 is parked.

Therefore, according to the system of this embodiment, even if the occupant has parked the vehicle in the parking lot and has forgotten the parking position of the vehicle, the guide device 150 is carried while carrying the portable device 100. By performing the operation, the occupant can be made aware of the parking position of the vehicle.

In this embodiment, the occupant does not have any portable device 1
00 is operated without transmitting / receiving the signal between the portable device 100 and the receiving slave stations 144a to 144f as the infrastructure facility, the parking position of the vehicle corresponding to the portable device 100 is specified and stored. Is done. For this reason, according to the present embodiment, it is possible to eliminate the need for operation by the occupant when storing the parking position of the vehicle in the infrastructure facility. It is unnecessary to positively specify the parking position of the vehicle using an image processing device or the like. Therefore, according to the system of the present embodiment, it is possible to reliably provide the occupant with the parking position of the vehicle with a simple configuration.

In a configuration in which the door of the vehicle is locked / unlocked by transmitting / receiving a signal between the vehicle and the portable device 100, security is required for the signal generated by the portable device 100. On the other hand, when the parking position of the vehicle corresponding to the portable device 100 is stored in the parking lot side using the function of the portable device 100 and provided to the occupant at an appropriate time, the portable device 100 emits the light. No security is required for the signal. As described above, in the portable device 100 of the present embodiment, there are a case where complicated encryption is required for a signal to be transmitted and a case where no encryption is required.

In this embodiment, the door of the vehicle is locked
A predetermined encryption process is applied to the first portable response signal emitted by the portable device 100 when the portable device 100 is unlocked in the transmitting unit 118. In addition, the control center 14 of the parking lot
The encryption process is not performed on the second portable response signal emitted by the portable device 100 when the parking position of the vehicle is stored at 0. For this reason, according to the system of the present embodiment, when the parking position of the vehicle is notified to the infrastructure facility, the portable device 1 is compared with the case where the door of the vehicle is locked and unlocked.
At 00, a signal can be transmitted without performing complicated processing.

After the vehicle leaves the parking lot, there is no need to store the serial code, reception time, and slave station number unique to the occupant of the vehicle in the control center 140. Therefore, in the present embodiment, when the vehicle leaves the parking lot, information about the vehicle is deleted from the memory 148 of the control station center 140.

Further, the portable device 100 may be lost after the occupant parks the vehicle in the parking lot. In this case,
When the lost portable device 100 is used, the parking position of the vehicle corresponding to the portable device 100 is provided by the guide device 150, so that the vehicle may escape. Therefore, in the present embodiment, the occupant uses the portable device 1
00 is lost, the control center 14
By inputting the same serial code as the occupant-specific serial code registered in the memory 148 into 0, the provision of the parking position of the vehicle by the guidance device 150 is prohibited.

As shown in FIG. 6, an exit gate station 170 installed near the exit gate of the parking lot is connected to the control center 140. The exit gate station 170 includes an exit gate electronic control unit (hereinafter referred to as an exit gate ECU).
172). Exit gate ECU 17
A transmission / reception unit 176 having an antenna 174 is connected to 2. The transmission / reception unit 176 is configured to transmit a predetermined signal from the antenna 174, similarly to the transmission / reception unit 156 of the guide device 150, and
The antenna 174 is configured to receive a signal emitted from the portable device 100.

The exit gate ECU 172 also includes an exit gate opening / closing section 17 for controlling opening / closing of the exit gate of the parking lot.
8 are connected. When the exit gate is open, the exit of the vehicle from the parking lot is permitted, while when the exit gate is closed, the exit of the vehicle from the parking lot is prohibited. The exit gate ECU 172 supplies a drive signal to the exit gate opening / closing unit 178 so that the exit gate closes in a predetermined case. An emergency communication device 180 such as a telephone is connected to the control center 140. When an occupant inputs a serial code, the emergency communication device 180 transmits a signal including the serial code to the control center 1.
Send to 40.

In the system according to the present embodiment, the exit gate station 170 transmits an unencrypted fixed signal from the antenna 174 at regular intervals. When the portable device 100 receives the fixed signal generated by the exit gate station 170, the portable device 100 transmits the occupant-specific serial code stored in the memory 124 as a second response signal from the antenna 116 without encrypting the serial code. . When the second mobile-side response signal emitted from the mobile device 100 is received by the antenna 174, the transmission / reception unit 176 of the exit gate station 170 transmits the demodulated signal obtained by demodulating the signal to the exit gate ECU 172.
Supply to The exit gate ECU 172 includes the transmitting / receiving unit 1
The signal supplied from 76 is transferred to the control center 140.

The control station center 140 sends the exit gate station 17
When a signal from 0 is received, it is determined whether or not the occupant-specific serial code in the signal is stored in the memory 148. As a result, when an affirmative determination is made, the serial code and the slave stations NO of the slave stations for reception 144a to 144f stored in pairs are deleted from the memory 148.

According to such a method, after the parking position information of the vehicle is stored in the control center 140 as an infrastructure facility of the parking lot, when the vehicle leaves the parking lot,
The stored parking position information of the vehicle can be deleted from the infrastructure facility. For this reason, according to the system of the present embodiment, it is not necessary to store the parking position information of the unnecessary vehicle on the parking lot side for a long period of time, and the capacity of the memory 148 of the control center 140 can be increased. Becomes unnecessary.

In this embodiment, the control center 1
When the signal from the emergency communication device 180 is received, the 40 determines whether or not the serial code in the signal is stored in the memory 148. As a result, when an affirmative determination is made, the parking position information of the vehicle corresponding to the serial code is treated as information for which provision by the guidance device 150 is prohibited (hereinafter referred to as provision prohibition information). In this case, even if a signal for providing the parking position information of the vehicle is transmitted and received between the guide device 150 and the portable device 100 after that, the parking position information of the vehicle corresponding to the portable device 100 is not transmitted. The provision by the guidance device 150 is avoided.

Therefore, according to the present embodiment, when the occupant notices that the portable device 100 has been lost, the control center 14
0, the same serial code as the occupant-specific serial code stored in the memory 148 of the emergency communication device 180.
By notifying the control station center 140 via the, the provision of the parking position of the vehicle by the guidance device 150 can be prohibited. For this reason, according to the system of the present embodiment, it is possible to prevent the vehicle from easily getting away due to the loss of the portable device 100 or the like.

In this embodiment, the control center 1
40, when a signal from the exit gate station 170 is received to erase the parking position information of the vehicle from the memory 148 when the vehicle passes through the exit gate station 170, corresponds to the occupant-specific serial code in the signal. It is determined whether the parking position information of the vehicle is the provision prohibition information.
As a result, when an affirmative determination is made, a signal indicating that a vehicle attempting to pass through the exit gate should be prevented from exiting (hereinafter, referred to as an exit inhibition signal) is supplied to the exit gate station 170. Exit gate ECU 1 of exit gate station 170
72 supplies a drive signal to the exit gate opening / closing unit 178 so as to close the exit gate when the exit prohibition signal is supplied from the control center 140. In this case, the exit of the vehicle that is about to pass through the exit gate is prevented.

As described above, according to the present embodiment, in the situation where the parking position information of the vehicle corresponding to the predetermined serial code is the provision prohibition information, that is, the information is stored in the memory 148 of the control center 140. Is the same serial code as the occupant-specific serial code
Under the condition that the control center 140 is notified via the control unit 80, it is possible to prevent the vehicle from leaving the parking lot. For this reason, according to the system of the present embodiment, it is possible to reliably prevent the mobile device 100 from getting on and off due to loss or the like. Thereby, in the system according to the present embodiment, the reliability as a parking lot guidance system is improved.

In the above-described second embodiment, the second mobile-side response signal generated by the portable device 100 in response to the fixed signal generated by the receiving slave stations 144a to 144f at regular intervals is used for the receiving. When the slave stations 144a to 144f receive the information, the parking position of the vehicle corresponding to the portable device 30 is specified and stored.
Ｆ144f are provided with operable switches for the occupants, and only when the switches are operated, are the receiving slave stations 144a〜1
Signals may be transmitted and received between the portable device 100 and the portable device 44f, and the parking position of the vehicle corresponding to the portable device 30 may be specified and stored. In this case, the parking position of the vehicle is stored in the parking lot only when the occupant desires to store the parking position of the vehicle in the parking lot as the infrastructure facility. In the above-described second embodiment, the parking position of the vehicle is provided to the occupant only when the occupant operates the request switch 158 of the guide device 150 installed near the entrance of the parking lot. A device that constantly requests the response of the portable device 100 may be provided near the entrance of the vehicle, and the occupant may be provided with the parking position of the vehicle every time the occupant passes through the entrance of the parking lot. In this case, the occupant can provide the occupant with the parking information of the vehicle at an appropriate time without operating the guidance device 150 or the like.

In the second embodiment, the portable device 100 transmits the occupant-specific serial code stored in the memory 124 as the second portable-side response signal without encryption. However, a second mobile-side response signal in which the serial code is encrypted may be transmitted. In this case, the confidentiality of the serial code is improved.

In the first and second embodiments, the doors of the vehicle are connected to the "opening / closing body" described in the claims, and the receiving slave stations 44a to 44f and 144a to 144 are provided.
f and the control station centers 40 and 140 correspond to “infrastructure facilities” described in the claims, and the guide devices 80 and 150 correspond to “parking information providing means” described in the claims. , 144a to 144f correspond to the “receiver” described in the claims.
144f is the "transmitter" described in the claims, and the memory 76 of the control station center 40 and the memory 148 of the control station center 140 are the "storage device" described in the claims.
In the "storage means", the vehicle ID code corresponds to "vehicle identification information" described in the claims, and the occupant-specific serial code corresponds to "occupant-specific information".

In the above-described first and second embodiments, the provision of the parking position of the vehicle to the occupants is performed by the guidance device 8.
However, the present invention is not limited to this, and the occupants can use the guide devices 80 and 150 without using the portable devices 30 and 100. By inputting the same code as the code stored in the control center 40, 140, the parking position of the vehicle may be provided to the occupant.

When the parking position of the vehicle is provided, signals are transmitted and received between the guide devices 80 and 150 and the portable devices 30 and 100, and at the same time, the occupant is requested to input a code to the guide devices 80 and 150. It may be that. In this case, the parking position of the vehicle is provided only when the input code matches the stored code. Therefore, even if the portable device 30 or 100 is carried, the person who does not know the code is provided. Is not provided with the parking position of the vehicle,
It is possible to prevent the vehicle from being easily ridden and escaped due to the loss of the vehicle 100 or the like.

In the first and second embodiments described above, the provision of the parking position of the vehicle to the occupants is performed using the guide devices 80 and 150 installed near the entrances and exits for the occupants in the parking lot. However, the present invention is not limited to this, as long as the portable devices 30, 100 carried by the occupant have a function of providing a parking position of the vehicle in the parking lot, the portable devices 30, 100 are used. The occupant may be provided with the parking position of the vehicle. In this case, the portable devices 30 and 100 correspond to “parking information providing means” described in the claims.

Further, in the first and second embodiments described above, the guide stations 80 and 150 use the slave station NO of the slave station for reception.
Is provided as the parking position of the vehicle, but the present invention is not limited to this, and the reception time at which the receiving slave station receives the signal emitted by the portable device is provided as the entry time to the parking lot. It may be that.

Next, a third embodiment of the present invention will be described with reference to FIG. In the parking lot guidance system of the present embodiment, the portable device 100 for locking and unlocking the vehicle door shown in FIG. 5 is used.

FIG. 9 shows a configuration diagram of an infrastructure facility of the parking lot guidance system of this embodiment. As shown in FIG. 9, the infrastructure facility of the parking lot includes a control station center 200.
An entrance gate station 202 and an exit gate station 204 are connected to the control station center 200. Admission gate station 202
Has an entrance gate electronic control unit (hereinafter, referred to as an entrance gate ECU) 206, and the exit gate station 204 has an exit gate ECU 208.

The entrance gate ECU 206 is connected to a transmission / reception unit 212 on which an antenna 210 is mounted, an entrance gate opening / closing unit 214 for controlling opening / closing of an entrance gate of a parking lot, and a voice instruction unit 215 for driving a speaker. The transmission / reception unit 218 equipped with the antenna 216 and the exit gate opening / closing unit 220 for controlling opening / closing of the exit gate of the parking lot are connected to the exit gate ECU 208. The transmission / reception unit 212 of the entrance gate station 202 and the transmission / reception unit 218 of the exit gate station 204 include the antenna 210,
216 is configured to be able to transmit a predetermined signal, and is configured to be able to receive signals emitted from the portable device 100 by the antennas 210 and 216. The entrance gate and the exit gate are normally closed, and are configured to be opened when a drive signal is supplied from the entrance gate ECU 206 or the exit gate ECU 208.

A plurality of cash register stations 230 are connected to the control station center 200. The cash register station 230 is installed at each cash register of a large-scale store used by a user who parks a vehicle in a parking lot. The cash register station 230 includes a cash register electronic control unit (hereinafter referred to as a cash register ECU) 232. To the cash register ECU 232, a transmitting / receiving unit 236 having an antenna 234 mounted thereon and a request switch 238 operable from outside are connected. The transmission / reception unit 236 of the cash register 230 is configured to be able to transmit a predetermined signal from the antennas 210 and 216 and to be able to receive the signal emitted from the portable device 100 by the antennas 210 and 216. I have.

The control center 200 has a memory 240 and a member memory 242. Control center 200
When a signal is received from the entrance gate station 202, the occupant stores the serial code unique to the occupant and the reception time (entrance time) in the signal in the first memory 240. In addition, a serial code for a specific user is stored in the second memory 24.
2 is stored.

In the system according to the present embodiment, the entrance gate station 202 and the exit gate station 204 transmit unencrypted fixed signals from the antennas 210 and 216 at regular intervals, respectively. When the portable device 100 receives the fixed signal emitted by the entrance gate station 202 when the vehicle enters the parking lot, the portable device 100 does not encrypt the occupant-specific serial code stored in the memory 124 without encrypting the second portable device. The signal is transmitted from the antenna 116 as a response signal. When the antenna 210 receives the second mobile-side response signal emitted by the mobile device 100 from the antenna 210, the transmission / reception unit 212 of the entrance gate station 202 supplies a demodulated signal obtained by demodulating the signal to the entrance gate ECU 206. ECU 206 for entrance gate
Transfers the signal supplied from the transmission / reception unit 212 to the control center 200.

[0110] The control station center 200
When a signal is received from the second memory 240, the occupant-specific serial code and the entry time in the signal are stored in the first memory 240. When the storage is completed, a signal indicating that information on the vehicle entering the parking lot is stored is supplied to the entrance gate ECU 206. In this case, the entrance gate ECU 206 supplies a drive signal to the entrance gate opening / closing unit 214 so that the entrance gate is opened.

When the control center 200 receives a signal from the entrance gate station 202, the control center 200 determines whether or not the serial code is for a specific user stored in the second memory 242. As a result, when an affirmative determination is made, a code indicating a specific user is added to the serial code stored in the first memory 240, and a signal indicating that the specific user enters the parking lot is input to the entrance gate. It is supplied to the ECU 206. In this case, the entrance gate ECU 206 supplies a drive signal to the voice instruction unit 215 so that guidance from a speaker, for example, "Oh, welcome," is given to the occupant of the vehicle entering the parking lot. .

Thereafter, when the vehicle is parked in a parking lot and the occupant uses a predetermined amount or more in a store or the like, the request switch 238 of the cash register station 230 installed at the cash register is operated. The cash register 230 has a request switch 238
Is operated, an unencrypted fixed signal is transmitted from the antenna 234. Then, when the second portable-side response signal issued by portable device 100 in response to the fixed signal is received, the signal is transmitted to control center 200. When the control center 200 receives the signal from the cash register 230, the control center 200 stores a code indicating that the user has used the predetermined amount or more in the serial code stored in the first memory 240, which is the same as the serial code in the signal. Add.

The vehicle passes through the exit gate when exiting from the parking lot. When the exit gate station 204 receives the second portable response signal emitted by the portable device 100 in response to its own fixed signal, the exit gate station 204 transmits the signal to the control center 200. When receiving the signal from the exit gate station 204, the control center 200 determines the use time of the parking lot based on the entry time of the serial code stored in the first memory 240 which is the same as the serial code in the signal. At the same time, it is determined whether or not the occupant is a specific user and whether or not the occupant is a user with a predetermined amount or more. Then, the control center 200 calculates the parking fee to be charged to the occupant of the leaving vehicle based on the calculation result and the determination result, and notifies the exit gate station 204 of the fee.

The exit gate station 204 is located at the control station center 20.
A driving signal is supplied to the display unit 222 so that the parking fee notified from 0 is presented to the occupant of the leaving vehicle, and the exit gate opening / closing unit 220 is driven so that the exit gate opens when the amount is input. Supply signal.

As described above, according to the system of this embodiment, the parking facility receives the signal from the portable device 100 for locking / unlocking the door of the vehicle, so that the entrance to the parking lot is received. At times, the entry time of the vehicle can be ascertained, and when leaving the parking lot, the exit time of the vehicle can be ascertained, and a parking fee can be charged.
Therefore, according to the system of the present embodiment, it is possible to realize a toll parking lot without using a parking ticket carried by a passenger.

In this embodiment, the occupant does not need to take a parking ticket when entering the parking lot. For this reason, according to the system of the present embodiment, it is possible to make the vehicle enter the parking lot smoothly and improve the convenience for the occupant.

In this embodiment, when a specific user uses a parking lot or when a user uses a predetermined amount of money or more at a store, a parking fee is charged in consideration of these cases. In this case, an appropriate parking fee will be charged even if the occupant presents the parking ticket at a store or the like and does not receive a predetermined seal on the parking ticket. Therefore, according to the system of the present embodiment, an appropriate parking fee is charged to the parking lot user without using the parking ticket carried by the occupant, so that the convenience for the user and the parking lot manager is improved. Can be achieved.

In the third embodiment, the cashier station 230 is installed at each cashier of a store, but may be installed at each store or at each floor of the store.

In the third embodiment, a signal for locking / unlocking the vehicle door is issued when a predetermined signal is received from the vehicle without any operation by the occupant. Although the present invention is applied to the system using the portable device 100, the present invention can also be applied to a system using a portable device that issues a signal for locking / unlocking a vehicle door in accordance with a switch operation of a passenger.

[0120]

As described above, according to the first aspect of the invention, provision of parking information of a vehicle can be reliably realized with a simple configuration.

According to the second and twelfth aspects of the invention, it is possible to provide the occupant with detailed parking position information of the vehicle with a simple configuration.

According to the third and thirteenth aspects of the present invention, it is possible to provide the occupant with detailed parking position information of the vehicle.

According to the fourth aspect of the present invention, the parking information of the vehicle corresponding to the portable device can be securely stored.

According to the fifth and fourteenth aspects of the present invention, it is possible to improve the reliability in providing the parking information of the vehicle.

According to the invention, the parking information of the vehicle corresponding to the portable device can be stored using the signal transmitted from the portable device to the vehicle to lock the opening / closing body of the vehicle. it can.

According to the seventh and fifteenth aspects of the present invention, the operation by the occupant can be made unnecessary when the parking information of the vehicle is stored in the infrastructure facility.

According to the inventions described in claims 8 and 19, when the parking information of the vehicle is notified to the infrastructure facility, a complicated process is performed in the portable device as compared with the case where the opening / closing body of the vehicle is locked / unlocked. A signal can be transmitted without performing the above.

According to the ninth and sixteenth aspects of the present invention, the parking information of the vehicle can be provided only when requested by the occupant.

According to the tenth and seventeenth aspects of the present invention,
The occupant can be provided with the parking information of the vehicle at an appropriate time without any operation by the occupant.

Further, according to the present invention, it is possible to delete the unnecessary parking information of the vehicle.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a vehicle locking system according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of an infrastructure facility of the parking lot guidance system according to the present embodiment.

FIG. 3 is a configuration diagram of a receiving slave station as an infrastructure facility of the present embodiment.

FIG. 4 is a diagram for explaining transmission and reception of signals between each receiving slave station and a control station center in the embodiment.

FIG. 5 is a system configuration diagram of a vehicle locking system according to a second embodiment of the present invention.

FIG. 6 is a configuration diagram of an infrastructure facility of the parking lot guidance system of the present embodiment.

FIG. 7 is a diagram for explaining transmission and reception of signals between the receiving slave station and the portable device in the embodiment.

FIG. 8 is a diagram for explaining transmission and reception of signals between the guide device and the portable device in the present embodiment.

FIG. 9 is a configuration diagram of an infrastructure facility of a parking lot guidance system according to a third embodiment of the present invention.

[Explanation of symbols]

 30, 100 Portable device 40, 140 Control station center 42, 142 Antennas 44a to 44f, 144a to 144f Receiving child station 76, 148 Memory 80, 150 Guide device 88, 160 Voice instruction unit 90, 162 Display unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G07C 1/30 G07C 1/30 F term (Reference) 2E250 AA21 BB08 BB66 CC20 DD06 FF24 FF27 FF36 HH01 JJ03 KK03 LL01 TT03 3E027 EA03 EC06 3E038 AA07 AA11 BA20 DA07 DB09 FA10 GA02 5H180 AA01 KK01 KK06 KK08 KK10

Claims (19)

[Claims] A portable device for remotely controlling an opening / closing body of a vehicle; an infrastructure facility for storing parking information of a vehicle corresponding to the portable device by receiving a signal emitted from the portable device when the vehicle is parked; And a parking information providing means for providing parking information of the vehicle stored in the infrastructure facility to an occupant in a predetermined situation. 2. The parking lot guidance system according to claim 1, wherein the infrastructure facility has a plurality of receivers in a parking lot for receiving a signal emitted by the portable device, and a reception device receiving a signal emitted by the portable device. A storage device that stores a position of the vehicle as parking position information of a vehicle corresponding to the portable device; and the parking information providing unit provides the occupant with the parking position information of the vehicle stored in the storage device. A parking lot guidance system characterized by performing. 3. The parking lot guidance system according to claim 2, wherein the infrastructure facility further includes a signal strength detection device that detects a strength of a signal received by the receiver, and the storage device includes the signal strength detection device. A parking lot guidance system, wherein the position of the receiver having the largest signal intensity by the intensity detection device is stored as parking position information of a vehicle corresponding to the portable device. 4. The parking lot guidance system according to claim 1, wherein the portable device transmits a signal including identification information of a vehicle corresponding to the portable device, and the infrastructure facility emits the signal from the portable device. A parking lot guidance system, which stores a parking information of a vehicle corresponding to the portable device by receiving a signal including identification information of the vehicle. 5. The parking lot guidance system according to claim 1, wherein the portable device transmits a signal including information specific to an occupant of a vehicle corresponding to the portable device, and the infrastructure facility includes the portable device. A parking lot guidance system characterized in that when receiving a signal including unique information of an occupant of a vehicle issued by the mobile device, parking information of the vehicle corresponding to the portable device and unique information of the occupant are stored in association with each other. 6. The parking facility guidance system according to claim 1, wherein the infrastructure facility responds to the portable device by receiving a signal transmitted from the portable device to a vehicle to lock the opening / closing body. A parking lot guidance system for storing parking information of a vehicle to be parked. 7. The parking lot guidance system according to claim 1, wherein the portable device responds to a first request signal transmitted from the infrastructure facility to notify the identification information of the vehicle to the infrastructure facility. The infrastructure facility stores the parking information of the vehicle corresponding to the portable device by receiving the first response signal transmitted by the portable device. Parking lot guidance system. 8. The parking lot guidance system according to claim 7, wherein the portable device is further responsive to a second request signal transmitted from a vehicle to perform a second response to remotely control the opening / closing body. A parking lot guidance system for transmitting a signal, wherein the first request signal and the response signal are less confidential than the second request signal and the response signal. 9. The parking lot guidance system according to claim 1, wherein the parking information providing means provides the parking information of the vehicle requested by the occupant when a predetermined operation is performed by the occupant. Parking guide system. 10. The parking lot guidance system according to claim 1, wherein the parking information providing unit is configured to, when the portable device responds to a predetermined request signal transmitted from an infrastructure facility,
A parking lot guidance system for providing parking information of a vehicle corresponding to the portable device. 11. The parking lot guidance system according to claim 1, wherein the infrastructure facility deletes the stored parking information of the vehicle when the vehicle leaves the parking lot. Guidance system. 12. A receiver installed in a parking lot and receiving a signal emitted by a portable device for remotely controlling an opening / closing body of a vehicle, and receiving the signal by the receiver receiving a signal emitted by the portable device. Storage means for storing the position of the vehicle as parking position information of the vehicle corresponding to the portable device; and parking information providing means for providing the occupant with the vehicle parking position information stored in the storage means under a predetermined situation. A parking lot guidance device, comprising: 13. The parking lot guide device according to claim 12, further comprising signal strength detection means for detecting the strength of a signal received by said receiver, wherein said storage means has a signal strength detected by said signal strength detection means. A parking lot guidance device, wherein a large position of the receiver is stored as parking position information of a vehicle corresponding to the portable device. 14. The parking lot guide device according to claim 12, wherein the storage unit is adapted to correspond to the portable device when the receiver receives a signal including information specific to an occupant of the vehicle emitted from the portable device. A parking lot guidance device, which stores parking position information of a vehicle to be run and unique information of an occupant in association with each other. 15. The parking lot guide device according to claim 12, further comprising: a plurality of transmitters installed in the parking lot and transmitting a predetermined request signal to the portable device, wherein the storage unit transmits the request signal from the transmitter. Receiving the predetermined response signal transmitted by the portable device in response to the predetermined request signal, and storing parking position information of a vehicle corresponding to the portable device. Parking lot guidance device. 16. The parking lot guide device according to claim 12, wherein the parking information providing means provides parking position information of the vehicle requested by the occupant when the occupant performs a predetermined operation. Parking lot guidance device. 17. The parking lot guidance device according to claim 12, wherein the parking information providing unit responds to the predetermined request signal transmitted from a transmitter installed at an entrance of the parking lot by the portable device. A parking lot guidance device, which provides parking position information of a vehicle corresponding to the portable device in such a case. 18. The parking lot guidance device according to claim 12, further comprising an erasing unit that erases the parking position information of the vehicle stored in the storage unit when the vehicle leaves the parking lot. Parking lot guidance device. 19. When receiving a first request signal transmitted from a vehicle, the first request signal is used to remotely control an opening / closing body of the vehicle.
A portable device for a vehicle that transmits a response signal of the following, when receiving the second request signal transmitted from the infrastructure facility, to notify the identification information of the vehicle to the infrastructure facility,
A vehicle portable device for transmitting a second response signal having lower secrecy than the first response signal.