JP3236832B2 - License plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ITS (Intelligent
ent Transport Systems: A license plate that has been improved to maintain the confidentiality of vehicle-related information for the realization of intelligent transport systems.

[0002]

2. Description of the Related Art In recent years, the sophistication of road traffic systems has been promoted worldwide. In Japan, the promotion of ITS was decided in February 1995 by the government's "Basic Policy for Promotion of an Advanced Information and Communication Society". Based on this, in August of the same year, the “Guidelines for Implementation of Information Technology in the Road, Traffic and Vehicle Fields” were issued, among which 11 promotion measures and 9
Development areas (advanced navigation, automatic toll collection system, safe driving support, traffic management optimization, road management efficiency, public transport support, commercial vehicle efficiency, pedestrian support and emergency vehicles Operation support) is presented.

For example, ETC (Electronic Toll Collec)
tion: Nonstop automatic toll collection system)
As described in the Nikkei evening newspaper on August 28, 1998, "First automatic collection of tolls appeared in the Tokyo metropolitan area expressway", it was installed on the roadside with the radio equipment (vehicle unit) installed inside the vehicle. For example, by performing wireless communication with a roadside antenna, a system for automatically collecting tolls on a highway has been developed.

Here, the above-described ETC will be described with reference to specific examples with reference to conceptual diagrams of FIGS. 6 and 7. FIG. First, FIG. 6 is a conceptual diagram illustrating an example of a mounting position of the vehicle-mounted device. In the figure, reference numeral 48 denotes a vehicle, reference numeral 50 denotes an interior rearview mirror, and reference numeral 52 denotes an on-vehicle device. Onboard equipment 5
2 is installed, for example, on the window glass side of the interior rearview mirror 50 of the vehicle 48 as illustrated.

FIG. 7 is a conceptual diagram showing an example of an embodiment of a roadside communication system. In FIG.
Reference numeral 54 denotes a roof of a tollgate such as a highway, reference numeral 56 denotes a roadside antenna, reference numeral 58 denotes on-vehicle device information transmitted from the vehicle-mounted device 52 to the roadside antenna 56, and reference numeral 60 denotes a vehicle. Is the vehicle-mounted device 52 from the roadside antenna 56.
Tollgate information transmitted to the roadside antenna 5
6 is installed on the roof 54 of the tollgate.

In the illustrated ETC, when a vehicle 48 equipped with the vehicle-mounted device 52 arrives within the communication area of the roadside antenna 56, the vehicle-mounted device 52 and the roadside antenna 56 communicate with each other by radio, and From 52, the vehicle-mounted device information 58 such as the owner information and the withdrawal bank account is transmitted to the roadside antenna 56. On the other hand, the tollgate information 60 such as the toll and the passage date and time is transmitted from the roadside antenna 56 to the vehicle-mounted device 52, and the toll and the like are displayed on the display unit of the vehicle-mounted device 52. The toll is deducted.

[0007] In the ETC, in addition to the information of the owner and the bank account from which the fee is deducted, the on-board unit information 58 includes a license plate code such as a land transportation branch office code, a vehicle type code, a use code, and a serial number described on the license plate. It is necessary to register in advance the storage device of the vehicle-mounted device 52 so that information and the like can be transmitted. In addition, when the vehicle 48 on which the vehicle-mounted device 52 is mounted or the owner of the vehicle 48 is changed, an operation for rewriting license plate information occurs.

[0008] As one means of alleviating traffic in a city, it is considered that entry is restricted by a vehicle number. FIG. 8 is a block conceptual diagram of an example showing the internal structure of the entrance restriction system. As shown in the figure, the entrance restriction system 64 includes a television camera 66 and an image processing device 68.
, A determination processing unit 70, a setting unit 72, and an electric display panel 74.
And In addition, the television camera 66 and the electric display panel 74 are installed on the road side. Reference numeral 48 in the figure denotes a vehicle,
Reference numeral 62 denotes a license plate.

In the entrance restriction system 64, a license plate 62 on the front of the vehicle 48 is photographed by a television camera 66, and license plate information is extracted by an image processing device 68 by image processing such as pattern matching. Thereafter, in the determination processing unit 70, the extracted information and the condition set in the setting unit 72 are collated, and only when the information matches the determination condition, the electronic display panel 7
At 4 is displayed a guidance indicating that the vehicle can pass.

More specifically, for example, a license plate 6
In the case where it is intended to permit only the vehicle 48 whose serial number described in No. 2 is an odd number, a condition that the traffic is permitted if the serial number is an odd number is set in advance in the determination processing unit 70 as a determination condition. 72 is set. In this case, according to the determination result of the determination processing unit 70, the electric display panel 7
In 4, the guidance of "passage possible" is displayed for vehicles with a serial number of an odd number, and the guidance of "impossibility of passage" is displayed for an even number of vehicles.

In the entrance restriction system 64 shown in FIG. 8, a license plate 62 is photographed by a television camera 66. Therefore, the license plate information described on the license plate 62 may not be readable under bad weather conditions such as snow and rain. Further, there is a fatal defect that a modified license plate, a license plate which is significantly deformed or dirty, and the like may not be able to be read.

Further, in the case where the approach of a vehicle to a predetermined area is determined based on the degree of exhaust gas of the vehicle, that is, whether or not the vehicle is a low-emission vehicle, road-vehicle communication such as the ETC described above is used. It is necessary to automatically determine whether the vehicle is a low-emission vehicle by the roadside system. That is, whether or not a vehicle is a low-emission vehicle is information unique to the vehicle, and cannot be obtained by photographing with a television camera as in an entrance restriction system. Is required.

As described above, in order to solve various problems for the realization of ITS, for example, “Everybody's Q & A” of the Asahi Shimbun dated January 7, 1999 includes a low-emission vehicle corresponding to the trend of ITS. The necessity of change, such as embedding an electronic circuit chip in a license plate, is introduced for the purpose of identification of a vehicle, and identification of a vehicle type and a displacement. In addition to the aforementioned “Everyone's Q & A”, as discussed in the “License Plate Makeover” of the Asahi Shimbun on December 7, 1998, reviewing the shape and display contents of the license plate has also been considered. I have.

FIG. 9 is a schematic front view of an example of the rear license plate. As shown in the figure, the license plate 76 has a land transportation branch office code 78 such as "Omiya" and a code "500" based on the Road Transportation Vehicle Act and its related laws and regulations.
, Such as vehicle type code 80, "sa", etc.
3-06 "and the like. Also,
Private use is painted white / green letters and business use is painted green / white letters. Large / medium plate sizes are determined and delivered according to vehicle specifications.

For example, in the case of an ordinary automobile, a license plate is defined so as to be mounted on each of a front portion and a rear portion of the vehicle. In addition, from the viewpoint of security such as forgery prevention of the license plate, a sealing portion 86 is attached to the left mounting portion 22 of the rear license plate 76 so that the license plate cannot be easily detached.
Is provided.

FIG. 10 is a schematic perspective view showing an example of a rear license plate. License plate 8 shown
8, reference numeral 12 is a license plate body, and reference numeral 2
Reference numeral 2 denotes a hole serving as an attachment portion for attaching the license plate main body 12 to a predetermined position of the vehicle, and reference numeral 86 denotes a sealing portion. The hole serving as the mounting portion 22 is provided in the license plate body 12.
The seal portion 86 is attached to a position of a hole on the left side of the attachment portion 22 in the figure.

FIG. 11 is a schematic sectional view showing an example of the structure of the sealing portion of the license plate shown in FIG.
In the sealing portion 86 in the illustrated example, reference numeral 24 denotes sealing, and reference numeral 2 denotes
Reference numeral 6 denotes a seal, and reference numeral 28 denotes a sealing spring. Also, reference numeral 1
Reference numeral 2 denotes a license plate body, and reference numeral 30 denotes a mounting bolt. A sealing spring 28 is attached to the inner bottom surface of the seal 24, and a hole for passing a mounting bolt 30 is formed in the center of the bottom surface.

When attaching the license plate 88 to the vehicle, first, in a state where the seal 26 is not fitted into the seal 24, the mounting bolt 30 is passed through a hole opened at the center of the bottom surface of the seal 24. The tip of the mounting bolt 30 protruding from the outer bottom surface of the seal 24 is passed through the hole of the mounting portion 22 on the left side of the license plate main body 12, and the mounting bolt 30 is tightened with a driver or the like to mount the license plate main body 12 at a predetermined position on the vehicle. . Then, seal 26
In the seal 24 and sealing.

At this time, as the seal 26 is fitted into the seal 24, the sealing spring 28 is depressed and bent on the inner wall of the portion bent inside the tip of the seal 26. The flexure at 28 is released at the same time that the tip of the seal 26 passes over the tip of the sealing spring 28. As a result, the outer diameter of the tip of the sealing spring 28 is restored to the original size and becomes larger than the inner diameter of the portion bent inside the tip of the seal 26, thereby completing the sealing.

In order to remove the license plate 88 from the vehicle, it is necessary to break the seal 26 to expose the mounting bolts 30 and then loosen them, which is a very useful function from the viewpoint of security. I can say.

The license plate 88 is uniquely issued to a vehicle or its owner. Therefore,
By mounting a storage device storing information related to the vehicle on the license plate 88, information can be taken out from the storage device as needed, and information can be exchanged between the storage device and the vehicle-mounted device. When the license plate 88 needs to be replaced, the storage device can be replaced together with the license plate 88, which is convenient.

However, if a storage device such as an IC memory is simply mounted on the front or back surface of the license plate main body 12, there is a problem that the storage device is easily damaged, and information is leaked due to the theft of the license plate 88 or the like. There are also security issues such as the possibility of

[0023]

SUMMARY OF THE INVENTION It is an object of the present invention to prevent the leakage of confidential information when it is necessary to update information related to a vehicle, in view of the problems based on the prior art. To provide a license plate.

[0024]

SUMMARY OF THE INVENTION To achieve the above object, the present invention provides a license plate body having a mounting portion for mounting the vehicle at a predetermined position on a vehicle, and mounting the license plate body on the vehicle. A license plate having a sealing portion attached to a position of the mounting portion, wherein the license plate main body is not detachable from the vehicle unless the sealing portion is broken. Is stored inside the sealing portion, and is broken when the sealing portion is destroyed.
A license plate, comprising: a storage section made of a semiconductor device to be broken; and a connection section having one end connected to the storage section and the other end extending outside the sealing section. .

Here, the other end of the connection section is a terminal section for performing wired communication between the storage section and a wireless device installed inside the vehicle, or the storage section and the vehicle It is preferable that a wireless transmission / reception unit for performing wireless communication with a wireless device installed inside or outside the device is connected. Further, the sealing portion is provided with the license plate main body.
Mounting bolts that penetrate through the mounting portion and are fixed to the vehicle
Fixed together with the license plate body
Seal and cover the mounting bolts and remove if not broken.
Having a seal attached to the seal so that it cannot be removed,
The storage unit includes an inner surface of the seal and the mounting bolt.
Placed in the space between and attached to the inner surface of the seal
Preferably. In addition, the connection portion includes the sealing member.
Through the hole drilled in the seal and the license plate body
Extending to the back of the license plate body
Is preferred. Further, the storage unit stores information related to the vehicle.
ROM and RAM storing information stored therein, and the ROM
And reading information related to the vehicle from the RAM
Out and before the read out information relating to the vehicle
Transmission to the connection, as well as information relating to the vehicle
Associated with the vehicle and the received vehicle
Write the information to be written to the ROM and the RAM.
It is preferable to have a controlling CPU.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a license plate according to the present invention will be described in detail with reference to the preferred embodiments shown in the accompanying drawings. FIG. 1 is a schematic front view of a first embodiment of a license plate according to the present invention. License plate 1 shown
At 0, reference numeral 12 indicates a license plate body, and reference numeral 1
Reference numeral 4 denotes a sealing portion, reference numeral 16 denotes a semiconductor device serving as a storage portion, reference numeral 18 denotes a cable as an example of a connection portion, and reference numeral 20 denotes a terminal portion.

The license plate main body 12 is provided with holes, each of which serves as a mounting portion 22 for mounting the vehicle at a predetermined position on the vehicle, at predetermined positions on the left and right sides in the figure. Sealing part 14
Is mounted at the position of the hole on the left side of the mounting portion 22 in the drawing,
The terminal portion 20 is arranged at a predetermined position on the left end of the license plate main body 12. The semiconductor device 16 has the sealing portion 1
4, the semiconductor device 16 and the terminal unit 20 are connected to each other via a cable 18 extending to the back side of the license plate main body 12.

The terminal section 20 is connected to a wireless device (vehicle-mounted device) mounted inside the vehicle in order to perform wireless communication with a wireless device installed outside the vehicle. The present invention, other than ordinary cars and large cars, light cars and small cars,
The present invention is applicable to any vehicle that requires a license plate, such as a motorcycle and a special vehicle. Further, the formation position and the number of the attachment portions 20 may be appropriately changed as necessary, and the position and the number of the attachment portions 20 to which the sealing portion 14 is attached may be freely changed.

FIG. 2 is a schematic sectional view of an embodiment showing the structure of the sealing portion of the license plate of the present invention shown in FIG. In the illustrated sealing portion 14, reference numeral 24 denotes a seal, reference numeral 26 denotes a seal, and reference numeral 28 denotes a sealing spring. Reference numeral 30 denotes a mounting bolt, and other components are the same as those shown in FIG. 1, and thus the same components are denoted by the same reference numerals.

As shown in FIG. 3, a plurality of V-shaped springs are provided on the inner bottom surface of the seal 24 (the surface opposite to the surface in contact with the surface of the license plate body 12). A sealing spring 28 disposed along the wall surface is attached. A hole is provided in the center of the bottom of the seal to which the sealing spring 28 is attached, through which a mounting bolt 30 is passed, and a hole through which the cable 18 is passed is formed in the periphery of the bottom. There is a hole.

Correspondingly, around the hole of the mounting part 22 to which the sealing part 14 is mounted, the position corresponding to the position of the hole for passing the cable 18 opened on the bottom surface of the seal 24 is similarly set. Holes are drilled.

The seal 24 has an opening 2 at its bottom.
The positions of the two holes are correspondingly aligned with the positions of the mounting portion 22 of the license plate main body 12 and the two holes formed in the periphery thereof, and the mounting bolts 30 are numbered from the inner bottom surface side of the seal 24. The license plate body 12 is attached to a predetermined position of the vehicle together with the license plate body 12 by passing the plate body 12 toward the rear surface side and tightening the mounting bolt 30 with a driver or the like.

On the other hand, although there is no particular limitation on the inner bottom surface of the seal 26 (the surface facing the surface of the license plate body 12), the microprocessor 16 which is an example of the semiconductor device of the storage unit is bonded by, for example, bonding. Fixed. The seal 26 is positioned inside the seal 24 by aligning the position of the cable 18 connected to the microprocessor 16 with the position of the seal 24 and the hole through which the cable 18 is opened in the license plate body 12. It is embedded in.

FIG. 3 is a schematic block diagram of an embodiment showing the internal structure of a microprocessor used in the license plate of the present invention. As shown in FIG. 1, the microprocessor 16 includes a CPU (Central Processing Unit).
32, ROM (Read Only Memory) 34, RA
An M (random access memory) 36 and an I / F (interface) unit 38 are provided. FIG. 2 also shows the cable 18 and the terminal unit 20.

The ROM 34 and the RAM 36 are the CPU 32
It is connected to the. The ROM 34 and the RAM 36 store information related to the vehicle to which the license plate 10 is attached, for example, license plate information such as a land transportation branch office code, a vehicle type code, a use code, and a serial number described on the surface of the license plate body 12. ,If necessary,
Information on the vehicle itself, such as the displacement, year, and low-emission vehicle, and information on the owner of the vehicle, such as the name and bank account number, are stored. Note that any information may be stored in the ROM 34 or the RAM 36 as long as the information is related to the vehicle.

The CPU 32 is connected to the I / F section 38, and one end of the cable 18 is connected to the I / F section 38. As shown in FIG. 2, the cable 18 extends to the back side of the license plate main body 12 through a seal 24 and a hole opened at a corresponding position of the license plate main body 12, and to the other end thereof. The terminal section 20 is connected. Although not shown, the terminal unit 20 is connected to the vehicle-mounted device directly or via a cable or the like.

In the microprocessor 16, the CPU
32 performs wired communication with the vehicle-mounted device via the I / F unit 38, the cable 18, the terminal unit 20, and the like, writes information from the vehicle-mounted device or a dedicated information writing device to the ROM 34 or the RAM 36, And the information written in the RAM 36 is read out to the vehicle-mounted device side. Then, the vehicle-mounted device performs wireless communication with a wireless device installed outside the vehicle,
Information is exchanged between the two parties.

Next, a second embodiment of the present invention will be described. FIG. 4 is a schematic front view of a second embodiment of the license plate according to the present invention. License plate 4 shown
0 is different from the license plate 10 shown in FIG. 1 only in that a wireless transmission / reception unit 42 is provided instead of the terminal unit 20. Since the other components are the same as those shown in FIG. 1, the same components are denoted by the same reference numerals, and detailed description thereof will be omitted.

In the illustrated license plate 40,
The wireless transmission / reception unit 42 is arranged at a predetermined position on the upper left side of the surface of the license plate main body 12. The microprocessor 16 is also arranged inside the sealing unit 14,
The microprocessor 16 and the wireless transmission / reception unit 42 are connected to each other via a cable 18 extending from the back side of the license plate main body 12 to the front side bypassing the left end in the figure. Note that the wireless transmission / reception unit 42 may be arranged at a predetermined position of the vehicle as needed.

Next, FIG. 5 is a block conceptual diagram of one embodiment showing the internal structure of the radio transmitting / receiving section used in the license plate of the present invention. The wireless transmission / reception unit 42 in the illustrated example
Has a modem 44 and an antenna 46. In addition,
The internal structure of the microprocessor 16 shown in FIG.
Are the same as those shown in FIG.
The / F section 38 and the modem section 44 of the wireless transmission / reception section 42 are connected to each other via the cable 18.

In the illustrated license plate 40 having a radio transmitting / receiving unit 42, information transmitted from a radio unit or an on-vehicle device outside the vehicle is received by an antenna 46, and the information is demodulated by a modulation / demodulation unit 44 to obtain a microcode. The data is written to the ROM 34 or the RAM 36 of the processor 16. The information stored in the ROM 34 or the RAM 36 is
The signal is modulated to a radio frequency by the modulation / demodulation unit 44 and transmitted to the vehicle-mounted device or a radio device outside the vehicle by the antenna 46.

In each of the above embodiments, the microprocessor 16 is described as an example of the semiconductor device of the storage unit. However, the internal structure of the microprocessor 16 is not limited to the illustrated example. The semiconductor device serving as the storage unit is not limited to the microprocessor 16 and may be any device that can store information related to the vehicle and read the information to the outside. Of course, it is also possible to realize the same function by using.

In each of the above embodiments, the specific structure of the sealing portion 14 has been described as an example. However, the present invention is not limited to the structure of the sealing portion 14 in the illustrated example. That is,
The sealing section 14 only needs to be able to seal the mounting bolt 30 and the semiconductor device 16 of the storage section stored therein, and the same function can be realized by another structure. Further, the shape, size, number, arrangement, and the like of the sealing portions 14 may be appropriately changed as necessary.

Next, a specific procedure when a license plate is issued will be described. License plate 1
At the time of granting 0 and 40, first, various information related to the vehicle is written into the microprocessor 16. At this time,
The other end of the cable 18 is connected to either the terminal unit 20 or the wireless transmitting / receiving unit 42, and the in-vehicle device or the dedicated information writing device is connected to the terminal unit 20 or the wireless transmitting / receiving unit by wire or wireless. , Information is written to the microprocessor 16.

After the information has been written into the microprocessor 16, the license plate body 12 is attached to a predetermined position of the vehicle. As described above, in the attachment portion 22 to which the sealing portion 14 is attached, the hole of the attachment portion 22 of the license plate main body 12 is aligned with the position of the hole of the seal 24, and is tightened with the attachment bolt 30, so that the license plate body together with the seal 24 is provided. 12 is fixed to a predetermined position of the vehicle.
Further, the mounting portion 22 to which the sealing portion 14 is not mounted is also fixed by tightening with the mounting bolt 30.

Subsequently, the terminal 2 is connected to the other end of the cable 18.
0 or the wireless transmission / reception unit 42 is temporarily removed. The other end of the cable 18 is passed through a hole formed in the periphery of the bottom surface of the seal 24, and is pulled out to the back side of the license plate main body 12. Correspondingly, a seal 26 in which the microprocessor 16 connected to one end of the cable 18 is fixed to the inner bottom surface is fitted into the seal 24, and the mounting bolt 30 and the microprocessor 16 are placed inside the seal portion 14. It is sealed at the same time.

Here, since the mounting bolt 30 is inside the sealing portion 14 and the seal 26 is fixed by the sealing spring 28, the mounting bolt 30 is removed and the license plate 10 is removed unless the seal 26 is broken. , 40 cannot be removed from the vehicle. The microprocessor 16 is also disposed inside the sealing portion 14, and when the seal 26 is broken, the microprocessor 16 is also broken at the same time. For this reason, it is possible to reliably prevent confidential leakage of information stored in the microprocessor 16.

Finally, the terminal section 20 or the wireless transmission / reception section 42 is attached to the other end of the cable 18 again.
The terminal section 20 is installed directly on the vehicle-mounted device or on the back surface of the license plate main body 12 or a predetermined position of the vehicle, and is connected to the vehicle-mounted device via a cable or the like by wire. On the other hand, in the case of the wireless transmission / reception unit 42, it is fixed to the surface of the license plate main body 12 or a predetermined position of the vehicle. Bidirectional wireless communication is performed between the wireless transmission / reception unit 42 and a vehicle-mounted device or a wireless device outside the vehicle.

Although the license plate of the present invention has been described in detail above, the present invention is not limited to the above-described embodiment.
Of course, various improvements and modifications may be made without departing from the spirit of the present invention.

[0050]

As described in detail above, the license plate of the present invention is a storage device comprising a semiconductor device in which information related to a vehicle is stored inside a sealing portion attached to an attachment portion of a license plate body. Part, and one end of the connecting part is extended to the storage part, and the other end is extended to the outside of the sealing part, so that wired or wireless communication can be performed between the storage part and a wireless device installed inside or outside the vehicle. Is what you do. Therefore, according to the license plate of the present invention, in the case of restricting entry based on vehicle-specific information such as exhaust gas, for example, information on the exhaust gas is included in the license plate information as information related to the vehicle. For example, the information related to the vehicle stored in the semiconductor device of the storage unit can be effectively used in various fields of the ITS. According to the license plate of the present invention,
Since the license plate is uniquely issued to the vehicle and its owner, if the license plate needs to be replaced, the semiconductor device of the storage unit can be replaced together with the license plate. When the license plate is removed from the vehicle, the structure is such that the semiconductor device in the storage unit is destroyed at the same time as sealing, so that leakage of information related to the vehicle stored in the semiconductor device in the storage unit is reliably prevented. can do.

[Brief description of the drawings]

FIG. 1 is a schematic front view of a first embodiment of a license plate according to the present invention.

FIG. 2 is a schematic cross-sectional view of one embodiment showing a structure of a sealing portion of the license plate of the present invention shown in FIG.

FIG. 3 is a block conceptual diagram of one embodiment showing an internal structure of a microprocessor used in a license plate of the present invention.

FIG. 4 is a schematic front view of a license plate according to a second embodiment of the present invention.

FIG. 5 is a block conceptual diagram of an embodiment showing an internal structure of a wireless transmission / reception unit used in a license plate of the present invention.

FIG. 6 is a conceptual diagram illustrating an example of a mounting position of a vehicle-mounted device.

FIG. 7 is a conceptual diagram illustrating an example of an embodiment of a roadside communication system.

FIG. 8 is a block conceptual diagram of an example showing an internal structure of an entrance restriction system.

FIG. 9 is a schematic front view of an example of a rear license plate.

FIG. 10 is a schematic perspective view of an example of a rear license plate.

11 is a schematic sectional view of an example showing a structure of a sealing portion of the license plate shown in FIG.

[Explanation of symbols]

 10, 40, 62, 76, 88 Number plate 12 Number plate body 14, 86 Sealing part 16 Storage part 18 Connection part 20 Terminal part 22 Mounting part 24 Sealing 26 Sealing 28 Sealing spring 30 Mounting bolt 32 CPU (Central processing) Device) 34 ROM (read only memory) 36 RAM (random access memory) 38 I / F (interface) unit 42 wireless transmission / reception unit 44 modulation / demodulation unit 46 antenna 48 vehicle 50 indoor rearview mirror 52 vehicle-mounted device 54 roof 56 roadside antenna 58 vehicle-mounted device Information 60 Tollgate information 64 Entry restriction system 66 Television camera 68 Image processing device 70 Judgment processing unit 72 Setting unit 74 Lightning display board 78 Land transportation branch office code 80 Vehicle type code 82 Application code 84 Serial number

Claims (5)

(57) [Claims] 1. A license plate body having a mounting portion for mounting at a predetermined position on a vehicle, and a sealing portion mounted at a position of the mounting portion when the license plate body is mounted on the vehicle. The license plate is configured so that the license plate main body cannot be removed from the vehicle unless the sealing portion is destroyed. The license plate stores information related to the vehicle and is disposed inside the sealing portion. A storage unit composed of a semiconductor device , which is destroyed when the sealing unit is destroyed, and a connection unit having one end connected to the storage unit and the other end extending outside the sealing unit. License plate. 2. The other end of the connection unit includes a terminal unit for performing wired communication between the storage unit and a wireless device installed inside the vehicle, or a terminal unit for performing communication between the storage unit and the vehicle. The license plate according to claim 1, wherein a wireless transmission / reception unit for performing wireless communication with a wireless device installed inside or outside is connected. (3) The sealing portion is provided on the license plate body.
Mounting bolts that penetrate through the mounting portion and are fixed to the vehicle
Fixed together with the license plate body
Seal and cover the mounting bolts and remove if not broken.
Having a seal attached to the seal so that it cannot be removed, The storage unit includes an inner surface of the seal and the mounting bolt.
Placed in the space between and attached to the inner surface of the seal
3. The method according to claim 1, wherein
License plate. (4) The connection portion includes the seal and the number.
ー Pass through the hole drilled in the plate body
A contractor extending on the back side of the plate body
The license plate according to claim 3. (5) The storage unit stores information related to the vehicle.
ROM and RAM to be stored; Related to the vehicle from the ROM and the RAM
Reading of information and information relating to said read vehicle.
Information to the connection, and information about the vehicle.
Receiving the associated information to the connection unit, and
The information related to the vehicle is stored in the ROM and the RAM.
And a CPU for controlling writing.
The license plate according to claim 1.