CN107369216A - Board units - Google Patents
Board units Download PDFInfo
- Publication number
- CN107369216A CN107369216A CN201710540679.7A CN201710540679A CN107369216A CN 107369216 A CN107369216 A CN 107369216A CN 201710540679 A CN201710540679 A CN 201710540679A CN 107369216 A CN107369216 A CN 107369216A
- Authority
- CN
- China
- Prior art keywords
- field communication
- electric capacity
- board units
- coil antenna
- radio frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention is communicated, board units include near-field communication card, near-field communication coil antenna and ferrite magnetic sheet on a kind of board units available for wireless radio frequency identification mark.Near-field communication coil antenna is arranged between wireless radio frequency identification mark and near-field communication card, and meet that the first distance is less than second distance, first distance is the distance between near-field communication coil antenna and near-field communication card, second distance is the distance between near-field communication coil antenna and wireless radio frequency identification mark, and ferrite magnetic sheet is arranged between near-field communication coil antenna and near-field communication card；Wherein, near-field communication coil antenna is used to be communicated respectively with wireless radio frequency identification mark and with near-field communication card in the two directions.The board units of the present invention are used only single near-field communication coil antenna and both-way communication can be achieved, and compared to prior art, reduce electronic component, reduce power consumption, improve heat dissipation problem, and save production cost.
Description
Technical field
The present invention relates to a kind of board units, more particularly to a kind of individual antenna to realize the vehicle-mounted list of two-way near-field communication
Member.
Background technology
At present, drive-in toll turns into main flow, and board units OBU (on are equipped with increasing automobile
board unit).Its application principle is：By the board units on vehicle front windshield, and in charge station
Microwave antenna between microwave special short-range communication, carry out backstage settlement process using Computer Networking and bank, from
And when reaching vehicle by toll on the road and bridge station, it is not required to stop and the purpose of road and bridge expense can be paid.
In general, near field antenna can only realize the communication on single direction, and board units OBU is since it is desired that synchronous read
The information on wireless radio frequency identification mark and internal card (stored value card or credit card) is taken, so current board units OBU
Two groups of near field antennas would generally be designed to realize the communication with wireless radio frequency identification mark and with internal card, but excessive electronics
Element also results in board units OBU high power consumption and radiated bad.
The content of the invention
Bad to improve the high power consumption of above-mentioned board units and radiating, the present invention provides a kind of board units.
Above-mentioned board units, communicated available for wireless radio frequency identification mark, the board units include：
Near-field communication card；
Near-field communication coil antenna, the near-field communication coil antenna are arranged at the wireless radio frequency identification mark and led to the near field
Between interrogating card, and meet that the first distance is less than second distance, first distance is the near-field communication coil antenna and the near field
Communicate the distance between card, the second distance between the near-field communication coil antenna and the wireless radio frequency identification mark away from
From；And
Ferrite magnetic sheet, the ferrite magnetic sheet are arranged between the near-field communication coil antenna and the near-field communication card；
Wherein, the near-field communication coil antenna is used in the two directions with the wireless radio frequency identification mark and near with this
Field communication card is communicated respectively.
As optional technical scheme, the distance range of first distance is 3 millimeters to 4 millimeters, the second distance away from
Between being 120 millimeters to 130 millimeters from scope.
As optional technical scheme, the board units also include plastics neck, and the plastics neck is used to place the near field
Communicate card.
As optional technical scheme, the near-field communication coil antenna is attached on the plastics neck.
As optional technical scheme, the near-field communication coil antenna is made on flexible PCB, the near-field communication ring
Shape antenna has induction coil, on the flexible PCB to should the opening position of induction coil attach the ferrite magnetic sheet, should
Ferrite magnetic sheet is located in the opposing sides of the substrate of flexible circuit board respectively with the induction coil.
As optional technical scheme, the board units also include display module, center, circuit board and bonnet, and this is vehicle-mounted
The center display module horizontal positioned first, is then positioned over the display mould by unit using assembling mode from bottom to top
On group, then by the circuit board and it is placed with the plastics neck of the near-field communication card successively and is arranged on the center, then will
The near-field communication coil antenna for being pasted with the ferrite magnetic sheet is set to the plastics neck, is finally covered the bonnet and is carried out
It is fixed.
As optional technical scheme, the board units also include chip and are electrically connected to the match circuit of the chip, should
Match circuit is electrically connected to the near-field communication coil antenna, and the match circuit can adjust direct impedance so that the radio frequency identification
Label is in the induction range of the near-field communication coil antenna, and the chip is according to the induction information of the near-field communication coil antenna
Carry out information processing.
As optional technical scheme, the impedance of the match circuit is 25 ohm.
As optional technical scheme, the match circuit includes Electro Magnetic Compatibility wave filter and matching unit, and the electromagnetism is simultaneous
Capacitive filter has the first inductance, the second inductance, the first electric capacity and the second electric capacity, and the chip has the first output end, second
Output end and chip radio frequency signal ground output end, one end of first inductance are electrically connected to first output end, first electricity
The other end of sense is connected first electric capacity, and one end of second inductance electrically connects second output end, second inductance it is another
End series connection second electric capacity, first electric capacity are electrically connected with second electric capacity by first node, and first node electrical connection should
Chip radio frequency signal ground output end；The matching unit has the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, first
Resistance and second resistance, one end of the 3rd electric capacity electrically connect the other end of first inductance, the other end of the 3rd electric capacity
Electrically connect the 5th electric capacity, one end of the 4th electric capacity electrically connects the other end of second inductance, the 4th electric capacity it is another
The 6th electric capacity of end electrical connection, the 5th electric capacity are electrically connected with the 6th electric capacity by section point, section point electrical connection
The chip radio frequency signal ground output end, one end of the first resistor electrically connect the other end of the 3rd electric capacity, first electricity
The other end of resistance electrically connects the near-field communication coil antenna, one end of the second resistance electrically connect the 4th electric capacity this is another
End, the other end of the second resistance electrically connect the near-field communication coil antenna.
As optional technical scheme, the wireless radio frequency identification mark is arranged at the windshield of automobile with the board units
Inner side.
Compared to prior art, it is i.e. achievable two-way that single near-field communication coil antenna is used only in board units of the invention
Communication, compared to prior art, greatly reduces the quantity of internal electronic element, so as to reduce power consumption, improves scattered
Heat problem, production cost is saved, and optimize the inner space of board units, in this way, board units there are more spaces
To design more additional functions, or, board units can reach more preferable effect in volume.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the schematic diagram of wireless radio frequency identification mark and board units of the present invention；
Fig. 2 is chip, the circuit diagram of match circuit and near-field communication coil antenna in board units of the present invention.
Embodiment
Fig. 1 is the schematic diagram of wireless radio frequency identification mark and board units of the present invention, refer to Fig. 1.Board units 100,
Communicated available for wireless radio frequency identification mark 200, the information of vehicles of correlation recorded in wireless radio frequency identification mark 200,
Board units 100 include near-field communication card 110, near-field communication coil antenna 120 and ferrite magnetic sheet 130.Near-field communication ring
Shape antenna 120 is arranged between wireless radio frequency identification mark 200 and near-field communication card 110, and meets that the first distance D1 is less than
Second distance D2, the first distance D1 are the distance between near-field communication coil antenna 120 and near-field communication card 110, second away from
It is the distance between near-field communication coil antenna 120 and wireless radio frequency identification mark 200 from D2.In the present embodiment, first away from
Distance range from D1 is 3 millimeters to 4 millimeters, between second distance D2 distance range is 120 millimeters to 130 millimeters.
Ferrite magnetic sheet 130 is arranged between near-field communication coil antenna 120 and near-field communication card 110, when near field leads to
When interrogating the work of coil antenna 120, ferrite magnetic sheet 130 can be by the most inductive energy near field communication link shape antenna 120
Concentrate on near-field communication coil antenna 120, with improve near-field communication coil antenna 120 with wireless radio frequency identification mark 200
Distance of reaction on line direction, it is possible to provide near-field communication coil antenna 120 to the long distance between wireless radio frequency identification mark 200
From communication, meanwhile, remaining least a portion of inductive energy can penetrate ferrite magnetic sheet 130, can carry out sensing closely, with
The communication between near-field communication coil antenna 120 and near-field communication card 110 is provided, in this way, single near-field communication coil antenna
120 can be communicated respectively with wireless radio frequency identification mark 200 and with near-field communication card 110 in the two directions, in this way,
When board units 100 are located in the microwave antenna communication context of charge station, be activated start-up operation when, board units 100 pass through
Single near-field communication coil antenna 120 can realize two-way near-field communication, to realize respectively and radio frequency identification mark
Sign the communication between 200 (information of vehicles) and the communication between near-field communication card 110 (information of deducting fees).
Because near-field communication coil antenna needs chip and match circuit etc. corresponding to outfit, and board units 100 only make
With single near-field communication coil antenna 120 and its corresponding match circuit, compared to prior art, board units 100 subtract significantly
Lack the quantity of internal electronic element, so as to reduce power consumption, improved heat dissipation problem, save production cost, and
The inner space of board units 100 is optimized, in this way, board units 100 have more spaces to design more additional functions, or
Person, board units 100 can reach more preferable effect in volume.
In the present embodiment, near-field communication coil antenna 120 is made on flexible PCB (not shown), near-field communication ring
Shape antenna 120 has induction coil, and ferrite magnetic sheet 130, iron are attached in the opening position that induction coil is corresponded on flexible PCB
Oxysome magnetic sheet 130 is located in the opposing sides of substrate of flexible circuit board respectively with induction coil.
As shown in figure 1, board units 100 also include plastics neck 140, plastic material can reduce neck to near-field communication ring
The influence of the sensing capability of shape antenna 120, plastics neck 140 are used to place near-field communication card 110, in the present embodiment, car
Carrier unit 100 also includes display module 180, center 170, circuit board 160 and bonnet 150, and board units 100 are using from bottom to top
Assembling mode, display module 180 horizontal positioned first, then center 170 is positioned on display module 180, then successively
Circuit board 160 and the plastics neck 140 for being placed with near-field communication card 110 are arranged on center 170, then iron oxygen will be pasted with
The near-field communication coil antenna 120 of body magnetic sheet 130 is set to plastics neck 140, after finally covering bonnet 150 and being fixed
Complete the assembling of board units 100.I.e. sequence be followed successively by display module 180, center 170, circuit board 160, be placed with it is near
The field communication plastics neck 140 of card 110, the near-field communication coil antenna 120 for being pasted with ferrite magnetic sheet 130, bonnet 150.
, can be in advance by near field to lift the packaging efficiency of board units 100 and simplifying the structure of board units 100 in the present embodiment
Communication coil antenna 120 is attached on plastics neck 140.
Fig. 2 is chip, the circuit diagram of match circuit and near-field communication coil antenna in board units of the present invention, please in the lump
Reference picture 1, Fig. 2.Board units 100 also include chip 121 and are electrically connected to the match circuit 122 of chip 121, match circuit
122 are electrically connected to near-field communication coil antenna 120, and match circuit 122 can adjust direct impedance so that wireless radio frequency identification mark
In 200 induction ranges in near-field communication coil antenna 120, chip 121 is believed according to the sensing of near-field communication coil antenna 120
Breath carries out information processing.When near-field communication coil antenna 120 is made on flexible PCB (not shown), its corresponding chip
121st, match circuit 122 can be also made on above-mentioned flexible PCB, and certainly, board units 100 are not provided with flexible PCB
When, chip 121, match circuit 122 can be also made on circuit board 160, in the present embodiment, chip 121, match circuit 122
Position do not limit, only need to meet its electric connection with near-field communication coil antenna 120.
In the present embodiment, the impedance of match circuit 122 is 25 ohm, in this way, the near-field communication ring-type of board units 100
The distance sensing distance of antenna 120 can reach 120 millimeters to 130 millimeters.
Specifically, match circuit 122 is by adjusting its internal electronic element value (such as capacitance and inductance in Fig. 2
Value) impedance is adjusted, to adapt to the distance of reaction between near-field communication coil antenna 120 and wireless radio frequency identification mark 200.Adjust
It is as follows to have suffered journey：Smith chart (Smith Chart), the near-field communication ring-type shown according to Smith chart are observed by instrument
The distance of reaction of antenna 120, the internal electronic element value of constantly regulate match circuit 122, to reach required near-field communication
Distance of reaction between coil antenna 120 and wireless radio frequency identification mark 200.
As shown in Fig. 2 match circuit 122 includes Electro Magnetic Compatibility wave filter 1221 and matching unit 1222.Electromagnetic compatibility
Property wave filter 12221 there is the first inductance L1, the second inductance L2, the first electric capacity C1 and the second electric capacity C2, chip 121 has first
Output end TX1, the second output end TX2 and chip radio frequency signal ground output end TVSS, chip radio frequency signal ground output end
TVSS coupling ground signallings GND, the first inductance L1 one end are electrically connected to the first output end TX1, the first inductance L1 other end
Connect the first electric capacity C1, the second inductance L2 one end electrically connect the second output end TX2, the second inductance L2 the other end series connection second
Electric capacity C2, the first electric capacity C1 and the second electric capacity C2 are electrically connected by first node N1, first node N1 electrical connection chip radio frequency letters
Number ground line output terminal TVSS.
Matching unit 1222 has the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, first resistor
R1 and second resistance R2, the 3rd electric capacity C3 one end electrically connect the first inductance L1 other end, the 3rd electric capacity C3 other end electricity
The 5th electric capacity C5 is connected, the 4th electric capacity C4 one end electrically connects the second inductance L2 other end, the 4th electric capacity C4 other end electricity
The 6th electric capacity C6 is connected, the 5th electric capacity C5 is electrically connected with the 6th electric capacity C6 by section point N2, section point N2 electrical connection cores
Piece radiofrequency signal ground line output terminal TVSS, first resistor R1 one end electrically connect the 3rd electric capacity C3 other end, first resistor R1
Other end electrical connection near-field communication coil antenna 120, second resistance R1 one end electrically connects the 4th electric capacity C4 other end, the
Two resistance R2 other end electrical connection near-field communication coil antenna 120.In the present embodiment, to improve of matching unit 1222
With ability, matching unit 1222 also has seventh electric capacity C7, the eightth electric capacity C8 in parallel with the 5th electric capacity C5, the 6th electric capacity C6,
7th electric capacity C7, the 8th electric capacity C8 are connected by the 3rd node N3 with chip radio frequency signal ground output end TVSS.
In the present embodiment, wireless radio frequency identification mark 200 and board units 100 may be contained within the windshield of automobile
Inner side, certainly, in other embodiment, wireless radio frequency identification mark 200 may also set up in other positions with board units 100,
For example, wireless radio frequency identification mark 200 is arranged at the inner side of windshield, and board units 100 are arranged at automobile center console
On housing, herein, the position of wireless radio frequency identification mark 200 and board units 100 is not construed as limiting, and only need to meet less radio-frequency
Identification label 200 is in the induction range of board units 100.
In summary, board units of the invention are used only single near-field communication coil antenna and both-way communication can be achieved,
Compared to prior art, the quantity of internal electronic element is greatly reduced, so as to reduce power consumption, radiating is improved and asks
Topic, saves production cost, and optimizes the inner space of board units, in this way, board units have more spaces to set
More additional functions are counted, or, board units can reach more preferable effect in volume；Further, can be in advance by near field
Communication coil antenna is attached on plastics neck, can be lifted the packaging efficiency of board units and be simplified the structure of board units.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of appended claims of the invention should all be belonged to.
Claims (10)
1. a kind of board units, communicated available for wireless radio frequency identification mark, it is characterised in that the board units bag
Include：
Near-field communication card；
Near-field communication coil antenna, the near-field communication coil antenna are arranged at the wireless radio frequency identification mark and the near-field communication card
Between piece, and meet that the first distance is less than second distance, first distance is the near-field communication coil antenna and the near-field communication
The distance between card, the second distance are the distance between the near-field communication coil antenna and the wireless radio frequency identification mark；
And
Ferrite magnetic sheet, the ferrite magnetic sheet are arranged between the near-field communication coil antenna and the near-field communication card；
Wherein, the near-field communication coil antenna is used to the wireless radio frequency identification mark and with the near field lead in the two directions
News card is communicated respectively.
2. board units as claimed in claim 1, it is characterised in that the distance range of first distance is 3 millimeters to 4 millis
Rice, between the distance range of the second distance is 120 millimeters to 130 millimeters.
3. board units as claimed in claim 1, it is characterised in that the board units also include plastics neck, the plastic clip
Groove is used to place the near-field communication card.
4. board units as claimed in claim 3, it is characterised in that the near-field communication coil antenna is attached at the plastics neck
On.
5. board units as claimed in claim 3, it is characterised in that the near-field communication coil antenna is made in flexible PCB
On, the near-field communication coil antenna has induction coil, on the flexible PCB to should induction coil opening position attach
The ferrite magnetic sheet, the ferrite magnetic sheet are located in the opposing sides of the substrate of flexible circuit board respectively with the induction coil.
6. board units as claimed in claim 5, it is characterised in that the board units also include display module, center, circuit
Plate and bonnet, the board units are using assembling mode from bottom to top, display module horizontal positioned first, then by the center
It is positioned on the display module, then by the circuit board and is placed with the plastics neck of the near-field communication card successively and is arranged at
On the center, then the near-field communication coil antenna for being pasted with the ferrite magnetic sheet set to the plastics neck, most bonnet
The upper bonnet is simultaneously fixed.
7. board units as claimed in claim 1, it is characterised in that the board units also include chip and are electrically connected to the core
The match circuit of piece, the match circuit are electrically connected to the near-field communication coil antenna, the match circuit can adjust direct impedance with
The wireless radio frequency identification mark is set to be in the induction range of the near-field communication coil antenna, the chip is according to the near-field communication ring
The induction information of shape antenna carries out information processing.
8. board units as claimed in claim 7, it is characterised in that the impedance of the match circuit is 25 ohm.
9. board units as claimed in claim 7, it is characterised in that the match circuit include Electro Magnetic Compatibility wave filter and
With unit, the Electro Magnetic Compatibility wave filter has the first inductance, the second inductance, the first electric capacity and the second electric capacity, and the chip has
First output end, the second output end and chip radio frequency signal ground output end, one end of first inductance be electrically connected to this first
Output end, the other end of first inductance are connected first electric capacity, and one end of second inductance electrically connects second output end, should
The other end of second inductance is connected second electric capacity, and first electric capacity is electrically connected with second electric capacity by first node, and this
One node electrically connects the chip radio frequency signal ground output end；The matching unit has the 3rd electric capacity, the 4th electric capacity, the 5th electricity
Appearance, the 6th electric capacity, first resistor and second resistance, one end of the 3rd electric capacity electrically connect the other end of first inductance, should
The other end of 3rd electric capacity electrically connects the 5th electric capacity, and one end of the 4th electric capacity electrically connects the other end of second inductance,
The other end of 4th electric capacity electrically connects the 6th electric capacity, and the 5th electric capacity is electrically connected with the 6th electric capacity by section point,
The section point electrically connects the chip radio frequency signal ground output end, and one end of the first resistor electrically connects being somebody's turn to do for the 3rd electric capacity
The other end, the other end of the first resistor electrically connect the near-field communication coil antenna, one end of the second resistance electrically connect this
The other end of four electric capacity, the other end of the second resistance electrically connect the near-field communication coil antenna.
10. board units as claimed in claim 1, it is characterised in that the wireless radio frequency identification mark is set with the board units
It is placed in the inner side of the windshield of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540679.7A CN107369216B (en) | 2017-07-05 | 2017-07-05 | Vehicle-mounted unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540679.7A CN107369216B (en) | 2017-07-05 | 2017-07-05 | Vehicle-mounted unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107369216A true CN107369216A (en) | 2017-11-21 |
| CN107369216B CN107369216B (en) | 2020-10-20 |
Family
ID=60306028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710540679.7A Active CN107369216B (en) | 2017-07-05 | 2017-07-05 | Vehicle-mounted unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107369216B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524798A (en) * | 2018-12-10 | 2019-03-26 | 深圳市金溢科技股份有限公司 | A kind of Path Recognition antenna, relevant apparatus and associated method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816945A (en) * | 2003-06-06 | 2006-08-09 | 索尼株式会社 | Antenna module and mobile communication terminal equipped therewith |
| CN101111854A (en) * | 2005-02-14 | 2008-01-23 | 松下电器产业株式会社 | Semiconductor memory module having built-in antenna |
| CN206067634U (en) * | 2016-10-18 | 2017-04-05 | 广州车亦家信息科技有限公司 | A kind of Multifunctional rear-view mirror for automobile with ETC equipment |
-
2017
- 2017-07-05 CN CN201710540679.7A patent/CN107369216B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816945A (en) * | 2003-06-06 | 2006-08-09 | 索尼株式会社 | Antenna module and mobile communication terminal equipped therewith |
| CN101111854A (en) * | 2005-02-14 | 2008-01-23 | 松下电器产业株式会社 | Semiconductor memory module having built-in antenna |
| CN206067634U (en) * | 2016-10-18 | 2017-04-05 | 广州车亦家信息科技有限公司 | A kind of Multifunctional rear-view mirror for automobile with ETC equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524798A (en) * | 2018-12-10 | 2019-03-26 | 深圳市金溢科技股份有限公司 | A kind of Path Recognition antenna, relevant apparatus and associated method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107369216B (en) | 2020-10-20 |
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