CN210707207U

CN210707207U - Double-card type vehicle-mounted unit and system

Info

Publication number: CN210707207U
Application number: CN201921388085.XU
Authority: CN
Inventors: 李东声
Original assignee: Tendyron Corp
Current assignee: Tendyron Corp
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-09
Anticipated expiration: 2029-08-23

Abstract

The utility model provides a two card formula mobile unit and system, this mobile unit includes: the mobile phone comprises a front shell, a front panel, a rear shell, a circuit board, a double-card fixing box, a first antenna, a second antenna, a display screen, a battery and an anti-dismantling matching piece, wherein the first antenna, the second antenna, the display screen, the battery and the anti-dismantling matching piece are arranged on the circuit board. Wherein, the front panel laminating is provided with first fixed subassembly on the procapsid in the first upper surface of casing in the front, be provided with on the back casing with the fixed subassembly of first fixed subassembly complex second. The back casing is provided with pastes part and solar panel, and the circuit board lower surface is provided with prevents tearing open the switch. The double-card fixing box is fixedly connected with the circuit board and forms a card accommodating space and a card inserting port. The thickness of card accommodation space is for predetermineeing thickness, and the fixed box of double cassette is fixed at the rectangle and is held the intracavity with the circuit board. The second upper surface of the double-card fixing box is provided with a pressing elastic sheet bent towards the card accommodating space, the second antenna is fixed in a second antenna clamping area of the double-card fixing box, and the display screen is fixed in a display screen clamping area of the double-card fixing box.

Description

Double-card type vehicle-mounted unit and system

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a two card formula mobile unit and system.

Background

The existing vehicle-mounted unit only supports the insertion of one card, can not read other cards at the same time, and has a single function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems.

A primary object of the present invention is to provide a dual card type on-board unit.

Another object of the present invention is to provide a dual card type on-board unit system.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

an aspect of the utility model provides a double cassette type vehicle-mounted unit, include: a front case 10 including a first upper surface and four first sidewalls forming a rectangular receiving cavity; a visual window 101 is arranged on the first upper surface of the front shell 10; a first side wall of the front case 10 is provided with a card slot 102; a first fixing member is provided on the inner surface of the front case 10 located within the rectangular receiving cavity. A front panel 20, wherein the front panel 20 is attached to the first upper surface of the front housing 10, the front panel 20 is provided with a transparent portion, and the transparent portion is matched with the visible window 101; a second fixing component 301 matched with the first fixing component is arranged on the rear shell 30, an adhering part 302 and a solar panel 303 are arranged on the lower surface of the rear shell 30, and the solar panel 303 is electrically connected with the circuit board 40; the circuit board 40 is provided with a first antenna and a card reading circuit, and the lower surface of the circuit board 40 is also provided with an anti-dismounting switch 401; the double-card fixing box 50 comprises a second upper surface and three second side walls, the three second side walls are fixedly connected with the circuit board 40 and form a card accommodating space, and the side without the second side walls forms an inserting port; the thickness of the card accommodating space is a preset thickness; the double-card fixing box 50 and the circuit board 40 are fixed in the rectangular accommodating cavity, and the card inserting port is matched with the card slot 102; a second antenna clamping area 501 and a display screen clamping area 502 are arranged on the second upper surface of the double-card fixing box 50; the second upper surface is also provided with a touch spring plate 503 bent towards the card accommodating space; a second antenna 60, wherein the second antenna 60 is fixed on the second antenna clamping area 501 and electrically connected with the circuit board 40; the display screen 70, the display screen 70 is fixed in the display screen clamping area 502, and is electrically connected with the circuit board 40; a battery 80, the battery 80 being disposed in the rectangular receiving space and electrically connected to the circuit board 40; and the anti-disassembly fitting piece 90 penetrates through the rear shell 30, is matched with the anti-disassembly switch 401, and is pressed on the anti-disassembly switch 401 after the double-card type vehicle-mounted unit is installed.

Alternatively, the preset thickness of the card accommodating space is the thickness of two cards.

Optionally, the touch resilient tabs 503 include a first group of touch resilient tabs 5031 and a second group of touch resilient tabs 5032, the first group of touch resilient tabs 5031 is disposed at an end of the second upper surface away from the card slot, and the second group of touch resilient tabs 5032 is disposed between the first group of touch resilient tabs 5031 and the card slot.

Optionally, the first set of touch dome 5031 comprises two domes; the second set of touching dome 5032 comprises two domes.

Optionally, a position between the first set of pressing spring 5031 and the second set of pressing spring 5032 on the inner side of the second upper surface of the dual card fixing box 50 is provided with a position-limiting portion 504, and the thickness of the position-limiting portion 504 is half of the preset thickness.

Alternatively, the inner side of the oppositely disposed second sidewall of the dual card securing box 50 is provided with a card insertion guide groove 505.

Optionally, a double-sided stopper portion 5051 is provided on the card insertion guide 505.

Optionally, the first antenna is a DSRC microwave read-write antenna; the second antenna 60 is a non-patch antenna.

The utility model discloses another aspect provides a two card formula mobile unit systems, this system includes as above two card formula mobile unit 1 and card 2.

By the aforesaid the technical scheme provided by the utility model, adopt the utility model provides a product function that two cassette vehicle-mounted unit and system can realize that all traditional designs realize to support to insert two cards simultaneously (can be different types and usage), two cards use same card inserting mouth, realize that a vehicle-mounted unit reads the function of the information of two cards simultaneously, and adopt this structure, make the appearance of product thinner and more pleasing to the eye.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a dual card type vehicle-mounted unit according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an upper surface of a dual-card fixing box of a dual-card on-board unit according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a dual-card type on-board unit according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a dual-card fixing box of a dual-card on-board unit according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an inner side of a dual-card fixing box of a dual-card onboard unit according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a dual-card onboard unit system according to an embodiment of the present invention:

fig. 7 is another schematic diagram of a dual-card onboard unit system according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity or location.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structure of the dual card type on-board unit according to the embodiment of the present invention will be described in further detail with reference to fig. 1 to 5.

Referring to fig. 1 to 5, the present embodiment provides a dual card type in-vehicle unit including:

a front case 10 including a first upper surface and four first sidewalls forming a rectangular receiving cavity; a visual window 101 is arranged on the first upper surface of the front shell 10; a first side wall of the front case 10 is provided with a card slot 102; a first fixing member is provided on the inner surface of the front case 10 located within the rectangular receiving cavity.

A front panel 20, wherein the front panel 20 is attached to the first upper surface of the front housing 10, the front panel 20 is provided with a transparent portion, and the transparent portion is matched with the visible window 101;

a second fixing component 301 matched with the first fixing component is arranged on the rear shell 30, an adhering part 302 and a solar panel 303 are arranged on the lower surface of the rear shell 30, and the solar panel 303 is electrically connected with the circuit board 40;

the circuit board 40 is provided with a first antenna and a card reading circuit, and the lower surface of the circuit board 40 is also provided with an anti-dismounting switch 401;

the double-card fixing box 50 comprises a second upper surface and three second side walls, the three second side walls are fixedly connected with the circuit board 40 and form a card accommodating space, and the side without the second side walls forms an inserting port; the thickness of the card accommodating space is a preset thickness; the double-card fixing box 50 and the circuit board 40 are fixed in the rectangular accommodating cavity, and the card inserting port is matched with the card slot 102; a second antenna clamping area 501 and a display screen clamping area 502 are arranged on the second upper surface of the double-card fixing box 50; the second upper surface is also provided with a touch spring plate 503 bent towards the card accommodating space;

a second antenna 60, wherein the second antenna 60 is fixed on the second antenna clamping area 501 and electrically connected with the circuit board 40;

the display screen 70, the display screen 70 is fixed in the display screen clamping area 502, and is electrically connected with the circuit board 40;

a battery 80, the battery 80 being disposed in the rectangular receiving space and electrically connected to the circuit board 40;

and the anti-disassembly fitting piece 90 penetrates through the rear shell 30, is matched with the anti-disassembly switch 401, and is pressed on the anti-disassembly switch 401 after the double-card type vehicle-mounted unit is installed.

Specifically, the front case 10 in the embodiment of the present invention is substantially rectangular, and of course, in practical applications, the specific shape of the front case 10, such as an oval shape, can be designed according to practical situations, and the present embodiment is not limited specifically.

The viewing window 101 of the front case 10 is a through hole penetrating through a first upper surface of the front case 10, the front panel 20 is a LENS, and may be covered on the through hole, a position corresponding to the through hole is transparent to protect the display screen, and the remaining positions may be transparent or opaque, for example, a pattern having a decorative pattern or LOGO. The size of the front panel 20 may be arbitrarily set. As a preferred embodiment, a carrying edge lower than the upper surface of the first upper surface is provided at the edge of the viewing window 101, and the front panel 20 may be placed on the carrying edge such that the upper surface of the front panel 20 is flush with the upper surface of the first upper surface.

The first fixing components on the front case 10 are snap structures and/or screw holes, and the second fixing components 301 on the rear case 30 are snap structures and/or screws matched with the snap structures and/or screw holes. As an alternative embodiment, one screw bearing portion may be respectively disposed at four corners of the rear case 30, and when the rear case 30 and the front case 10 are fixed, four screws may be respectively passed through the screw bearing portions and screwed and fixed with screw holes disposed on the front case 10.

The adhesive member 302 of the rear case 30 may be two double-sided adhesive tapes for adhering and fixing the double-card type in-vehicle unit at the window. After the fixing, the tamper fitting 90 is pressed with one end against the window and with the other end against the tamper switch 401. If the dual-card onboard unit is detached from the window, the detachment prevention fitting 90 no longer touches the detachment prevention switch 401, causing the detachment prevention switch 401 to generate a trigger signal, starting a preset program such as a self-destruction program or the like. As an alternative embodiment, the lower surface of the rear housing 30 may be provided with a solar panel receiving portion, such as a concave structure, and the solar panel 303 may be fixed in the solar panel receiving portion of the lower surface of the rear housing 30 by means of a snap or a heat-melting fixture, etc. to receive solar energy through a window of a vehicle to supply power to the dual card type vehicle-mounted unit, and the power supply mode may include direct power supply or battery charging.

The first antenna arranged on the circuit board 40 is a DSRC microwave read-write antenna, and the card reading circuit can read and write the electronic tag inserted into the dual-card vehicle-mounted unit through the first antenna. This technique is prior art in the field and is not described in detail here.

The double card retaining box 50 in this embodiment is generally rectangular in shape, but of course, may be configured to match the shape of the front case 10. The utility model discloses in, the thickness of card accommodation space is for predetermineeing thickness, and this thickness of predetermineeing can be the thickness of two cards. Through this structure, the utility model discloses a two cards formula mobile unit can hold two cards simultaneously through an insertion card mouth, realizes reading two cards simultaneously, has expanded current mobile unit's function, under the prerequisite that does not increase current mobile unit volume, has richened its function.

By using the pressing spring 503 disposed on the second upper surface of the dual card fixing box 50, the card can be pressed downward after being inserted into the card accommodating space, thereby preventing the card from moving up and down in the dual card fixing box 50. As an alternative embodiment, the inner side of the oppositely disposed second sidewall of the dual card retention box 50 is provided with a card insertion guide 505 along which the card is inserted into the card receiving space during card insertion. Preferably, a double-sided stopper portion 5051 is provided on the card insertion guide 505, and the card is prevented from moving left and right within the dual card holder 50 by the double-sided stopper portion 5051.

As an alternative embodiment, the touch elastic pieces 503 include a first group of touch elastic pieces 5031 and a second group of touch elastic pieces 5032, the first group of touch elastic pieces 5031 is disposed at one end of the second upper surface away from the card slot, and the second group of touch elastic pieces 5032 is disposed between the first group of touch elastic pieces 5031 and the card slot. Therefore, the card inserted into the card accommodating space can be pressed at different positions, so that the card has a better pressing effect. Preferably, the first set of touching dome 5031 comprises two dome sheets, and the second set of touching dome 5032 comprises two dome sheets.

As an alternative embodiment, a position limiting portion 504 is disposed inside the second upper surface of the dual card fixing box 50 and between the first set of pressing elastic pieces 5031 and the second set of pressing elastic pieces 5032, and the thickness of the position limiting portion 504 is half of the predetermined thickness. By using the structure, when the first card is inserted into the card accommodating space, the card can be directly inserted into the innermost part of the card accommodating space without being blocked by the limiting part 504, and when the second card is inserted into the card accommodating space from the upper part of the first card, the second card can be blocked by the limiting part 504, so that the edge of the second card exposed outside the card slot exceeds the edge of the first card exposed outside the card slot, and the two cards are convenient to pull.

As an alternative embodiment, the second antenna 60 is a non-contact antenna, such as an NFC antenna, and the frequency of the non-contact antenna may be set according to actual requirements. The second antenna 60 may be fixed to the second antenna clamping area 501 by means of fastening or adhering, and electrically connected to the circuit board 40 by means of a flying wire or a flexible circuit board. Through setting up the antenna of two kinds of different grade types respectively in card accommodation space's both sides, can make the utility model discloses a two cassette vehicle-mounted unit read the card of two kinds of differences simultaneously.

The display screen 70 may be an LED or OLED display screen, and may be electrically connected to the circuit board 40 by a flexible circuit board, so that the information related to the card reading and writing of the dual card type on-board unit can be displayed through the display screen 70.

The battery 80 may be a battery or a battery pack, and is charged by the solar panel 303.

Adopt the utility model provides a two card formula on-board unit, its card accommodation space support to insert two cards simultaneously, through the antenna of two sets of different grade types, reads and writes respectively to two inserted cards, has expanded current on-board unit's function.

Referring to fig. 6 to 7, the present invention also provides a dual card type on-board unit system, which comprises: the double-card in-vehicle unit 1 and the card 2 described in the above embodiments. Wherein the cards 2 may include a first card 21 and a second card 22. Specifically, the first card 21 is a card inserted into the lower portion of the card accommodating space, and may be an electronic tag of an existing in-vehicle unit. The second card 22 is a card inserted into the upper portion of the card-receiving space, and may be an identification card. Therefore, the function of reading the card of the identity card is expanded on the premise of not influencing the functions of the conventional vehicle-mounted unit.

Adopt the utility model provides a two card formula on-vehicle unit system, its card accommodation space support to insert two cards simultaneously, through the antenna of two sets of different grade types, reads and writes respectively to two inserted cards, has expanded current on-vehicle unit's function.

The following adopts a specific example to explain the assembly mode of the double-card type vehicle-mounted unit of the utility model:

in the double-card vehicle-mounted unit, the circuit board is mutually positioned and assembled with the double-card fixing box through appearance limitation and buckle limitation. The double-card type vehicle-mounted unit front shell and the rear shell are positioned in a limiting mode through structures and are fixed with each other through buckles and screws. The battery or the battery pack is connected to the circuit board through a welding wire or a pin, the solar panel is installed on the rear shell in a limiting mode through the appearance and is fixed through a buckle or hot melting shell body in a hot melting mode, the solar panel is connected to the circuit board through a lead, the display screen is fixed between the double-card fixing box and the front shell body in a locating mode through the appearance, and the display screen is connected to the circuit board through a Flexible Printed Circuit (FPC). The front panel LENS is fixed on the front shell through a double-sided adhesive tape and is limited through the appearance. The second antenna is fixed on the double-card fixing box in a limiting mode through the appearance structure, the second antenna is connected with the circuit board, information of the read second card is transmitted to the circuit board, and the first antenna is arranged on the circuit board and used for reading the information of the first card. The double faced adhesive tape is pasted on the rear shell in a limiting way through the shape, and plays a role in connecting the double-card type vehicle-mounted unit with an adhered object (vehicle window) when in use. Have on the circuit board and prevent tearing open the switch, prevent tearing open the switch and the last anti-tear open fitting piece that corresponds the position of back casing and match each other, the installation back casing is hugged closely by installation object surface, prevents tearing open the fitting piece compression and prevents tearing open the switch, prevents after dismantling that to tear open the fitting piece no longer atress, triggers and prevents tearing open the switch.

Meanwhile, on the double-card fixing box, corresponding touch elastic pieces are arranged according to the insertion depth positions of the first card and the second card, the first card is pressed down and positioned by the first group of touch elastic pieces, and the second card is pressed down and positioned by the second group of touch elastic pieces. And the first card and the second card are limited left and right by the double-side limiting parts (such as the limiting buckles).

When the double-card fixed box is used, the front shell is provided with the card inserting groove, and the structure position corresponds to the card inserting groove and the card inserting guide groove on the double-card fixed box. Therefore, after the double card is inserted, the double card is in the middle, the second antenna and the first antenna are respectively arranged at the upper side and the lower side of the double card, and the first antenna and the second antenna respectively read the information of the adjacent cards.

Therefore, the double-card vehicle-mounted unit and the double-card vehicle-mounted system can realize product functions realized by all traditional designs, support the simultaneous insertion of two cards (different types and purposes), realize the function of reading information of the two cards by one vehicle-mounted unit by using the same card insertion slot, and realize the thinner and more attractive appearance of a product by adopting the structure.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In addition, each functional unit in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dual card on-board unit, comprising:

a front case (10) including a first upper surface and four first side walls forming a rectangular accommodation chamber; a visual window (101) is arranged on the first upper surface of the front shell (10); a clamping groove (102) is formed in one first side wall of the front shell (10); a first fixing component is arranged on the inner surface of the front shell (10) positioned in the rectangular accommodating cavity;

the front panel (20) is attached to the first upper surface of the front shell (10), the front panel (20) is provided with a transparent part, and the transparent part is matched with the visual window (101);

the solar panel fixing device comprises a rear shell (30), wherein a second fixing component (301) matched with the first fixing component is arranged on the rear shell (30), an adhering part (302) and a solar panel (303) are arranged on the lower surface of the rear shell (30), and the solar panel (303) is electrically connected with a circuit board (40);

the circuit board (40) is provided with a first antenna and a card reading circuit, and the lower surface of the circuit board (40) is also provided with an anti-dismounting switch (401);

the double-card fixing box (50) comprises a second upper surface and three second side walls, the three second side walls are fixedly connected with the circuit board (40) and form a card accommodating space, and one side without the second side walls forms an inserting port; the thickness of the card accommodating space is a preset thickness; the double-card fixing box (50) and the circuit board (40) are fixed in the rectangular accommodating cavity, and the card inserting port is matched with the card slot (102); a second antenna clamping area (501) and a display screen clamping area (502) are arranged on the second upper surface of the double-card fixing box (50); the second upper surface is also provided with a touch spring (503) bent towards the card accommodating space;

a second antenna (60), the second antenna (60) being fixed to the second antenna clamping area (501) and electrically connected to the circuit board (40);

the display screen (70), the said display screen (70) is fixed in the said display screen card position area (502), and connect electrically with the said circuit board (40);

a battery (80), wherein the battery (80) is arranged in the rectangular accommodating space and is electrically connected with the circuit board (40);

the anti-disassembly fitting piece (90) penetrates through the rear shell (30) and is matched with the anti-disassembly switch (401), and after the double-card type vehicle-mounted unit is installed, the anti-disassembly fitting piece (90) is pressed on the anti-disassembly switch (401).

2. The dual card onboard unit of claim 1, wherein:

the preset thickness of the card accommodating space is the thickness of two cards.

3. The dual card onboard unit of claim 1 or 2, wherein:

the touch and press elastic pieces (503) comprise a first group of touch and press elastic pieces (5031) and a second group of touch and press elastic pieces (5032), the first group of touch and press elastic pieces (5031) are arranged at one end, far away from the inserting opening, of the second upper surface, and the second group of touch and press elastic pieces (5032) are arranged between the first group of touch and press elastic pieces (5031) and the inserting opening.

4. The dual card onboard unit of claim 3, wherein:

the first set of touch and press spring plates (5031) comprises two spring plates;

the second set of touch dome (5032) comprises two domes.

5. The dual card onboard unit of claim 3, wherein:

a limiting part (504) is arranged on the inner side of the second upper surface of the double-card fixing box (50) and between the first group of contact pressure spring pieces (5031) and the second group of contact pressure spring pieces (5032), and the thickness of the limiting part (504) is half of the preset thickness.

6. Dual-card on-board unit according to claim 1 or 2,

the inner sides of the second side walls of the double-card fixing case (50) which are oppositely arranged are provided with card inserting guide grooves (505).

7. The dual card onboard unit of claim 6,

a double-side stopper portion (5051) is provided on the card insertion guide (505).

8. The dual card onboard unit of claim 1 or 2, wherein:

the first antenna is a DSRC microwave read-write antenna;

the second antenna (60) is a non-connected antenna.

9. A dual card on-board unit system characterized by:

double-card on-board unit (1) and card (2) according to any of claims 1 to 8.