CN111591233A - FPD-LINK vehicle-mounted information transmission circuit - Google Patents
FPD-LINK vehicle-mounted information transmission circuit Download PDFInfo
- Publication number
- CN111591233A CN111591233A CN202010292897.5A CN202010292897A CN111591233A CN 111591233 A CN111591233 A CN 111591233A CN 202010292897 A CN202010292897 A CN 202010292897A CN 111591233 A CN111591233 A CN 111591233A
- Authority
- CN
- China
- Prior art keywords
- module
- fpd
- circuit
- link
- resistor
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 230000005669 field effect Effects 0.000 claims description 27
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses an FPD-LINK vehicle-mounted information transmission circuit, which comprises an ARM processor module, a serializer module for sending data, an FPD-LINK wire harness for high-speed serial data stream, a deserializer module for receiving data and a vehicle-mounted information display for displaying audio and video; the ARM processor module is internally provided with a control chip U1, and the serializer module is connected with a data end of a control chip U1; the serializer module is connected with the deserializer module through an FPD-LINK, the deserializer is connected with the vehicle-mounted information display, and a display screen device is arranged in the vehicle-mounted information display. The vehicle-mounted entertainment central control system is connected with the display instrument panel by adopting the FPD-LINK wire harness, the cost of the FPD-LINK wire harness is low, and the control signal is transmitted when the audio and video signal is transmitted. The transmitted audio and video is higher in definition, and the real-time performance of user operation response is realized.
Description
Technical Field
The invention relates to a data transmission circuit, in particular to an FPD-LINK vehicle-mounted information transmission circuit.
Background
With the rapid development of modern society, the automobile industry is continuously developing, and the vehicle-mounted entertainment system in the automobile is more and more abundant.
Most vehicle types in the market at present are limited by cost, a signal line is generally arranged between a vehicle-mounted entertainment central control system and a display instrument panel, and when audio and video switching operation is carried out, the transmission data rate of the audio and video is low, error reporting is easy, and the experience of a user is poor.
Therefore, a new data transmission circuit needs to be designed, an FPD-LINK wire harness can be adopted in the circuit to connect the vehicle-mounted entertainment central control system and the display instrument panel, the cost of the FPD-LINK wire harness is low, and the FPD-LINK wire harness can transmit control signals while transmitting audio and video signals. The transmitted audio and video is higher in definition, and the real-time performance of user operation response can be realized.
Disclosure of Invention
The invention aims to solve the technical problem of providing an FPD-LINK vehicle-mounted information transmission circuit, wherein an FPD-LINK wire harness is adopted to connect a vehicle-mounted entertainment central control system and a display instrument panel, the FPD-LINK wire harness is low in cost, and control signals can be transmitted while audio and video signals are transmitted. The transmitted audio and video is higher in definition, and the real-time performance of user operation response can be realized.
In order to solve the technical problem, the invention provides an FPD-LINK vehicle-mounted information transmission circuit which comprises an ARM processor module, a serializer module for data sending, an FPD-LINK wire harness for high-speed serial data stream, a deserializer module for receiving data and a vehicle-mounted information display for displaying audio and video; the serializer module is connected with the data end of the ARM processor module, the serializer module is connected with the deserializer module through an FPD-LINK wire harness, the deserializer module is connected with the vehicle-mounted information display, and a display screen device is arranged in the vehicle-mounted information display.
Preferably, a control chip U1 and a control circuit for controlling a power supply at the display screen end are arranged in the ARM processor module; the control circuit comprises a transistor Q6 and a transistor Q5; the emitting electrode of the triode Q6 is grounded, the base electrode of the triode Q6 is connected with the data end of the control chip U1, and a resistor R98 is connected in series between the base electrode of the triode Q6 and the data end of the control chip U1; the collector terminal of the triode Q6 is connected with the base of the triode Q5, the emitter of the triode Q5 is connected with the 3.3V voltage source terminal, and the collector terminal of the triode Q5 is connected with the data port of the control chip U1.
Preferably, the serializer module comprises a conversion chip U5, and a reset circuit, a multi-channel audio transmission circuit and an interrupt circuit which are connected with the conversion chip U5; the external interface of the conversion chip U5 is connected with a first connector CN1 for transmitting current and signals; and the digital output port of the conversion chip U5 is connected with a second connector J2 used in the field of car networking.
Preferably, the interrupt circuit is electrically connected with the ARM processor module; the interrupt circuit includes field effect transistors QM1 and QM2 and a jumper block JP1 for short-range wiring.
Preferably, the source of the field-effect transistor QM2 is connected to the INTB terminal of the conversion chip U5 for triggering interrupt, the gate of the field-effect transistor QM2 is connected to the power interface VDDIO of the conversion chip U5, the drain of the field-effect transistor QM2 is connected to the power interface VDDIO of the conversion chip U5, and a resistor R46 is connected in series between the drain of the field-effect transistor QM2 and the power interface VDDIO; the drain of the field effect transistor QM2 is connected with the gate of the field effect transistor QM1, the source of the field effect transistor QM1 is grounded, one end of the crossover block JP1 for short-distance wiring is connected with a connection node between the source of QM1 and the ground, and one end of the crossover block JP1 is connected with the power supply interface VDDIO of the conversion chip U5; the drain of the field effect transistor QM1 is connected to the power interface VDD18 of the switch chip U5.
Preferably, the reset circuit comprises a resistor R69 and a resistor R72 which are connected in series; the resistor R69 and the resistor R72 are connected in series to form a circuit, one end of the circuit is connected with a data interface of the ARM processor module, the other end of the circuit is connected with a capacitor C4, and the capacitor C4 is grounded; a resistor R66 is connected between the capacitor C4 and the connection node of the resistor R69, and the resistor R66 is connected with a 1.8V power supply.
Preferably, the FPD-LINK vehicle information transmission circuit comprises a module selection circuit and an address selection circuit, and the module selection circuit and the address selection circuit are both connected with the conversion chip U5; the module selection circuit is composed of a first module selection circuit and a second module selection circuit, and the first module selection circuit is provided with a dial switch SW2 and an integrated resistor connected with the dial switch SW 2.
Preferably, the FPD-LINK vehicle-mounted information transmission circuit comprises an indicator light module, and the indicator light module is connected with the ARM processor module; the indicating lamp module comprises a triode Q1, a triode Q2, an indicating lamp LED2, an indicating lamp LED4, an indicating lamp LED5 and an indicating lamp LED3, and the base electrodes of the triode Q1 and the triode Q2 are respectively connected with the controlled end and the interrupt end of the control chip U1; the emitter of the transistor Q1 is grounded, and the emitter of the transistor Q2 is connected to the connection node between the emitter of the transistor Q1 and ground.
Preferably, the FPD-LINK vehicle-mounted information transmission circuit comprises a voltage source module, wherein the voltage source module comprises a 1.1V voltage source, a 1.8V voltage source and a 3.3V voltage source; a buck converter U3 is arranged in the 1.8V voltage source module, and an inductor L3 and a resistor R87 which are used for being charged with energy and discharging energy are connected in series between a switch pin end and a feedback end of the buck converter U3; the bootstrap pin end of the buck converter is sequentially connected in series with a capacitor C20 and a diode D5; the junction of the feedback terminal and the resistor R87 is connected to ground.
Preferably, the serializer module is connected with the ARM processor module through a GPIO signal line, and the deserializer module is connected with the vehicle-mounted information display through a GPIO signal line.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention comprises an ARM processor module, a serializer module, an FPD-LINK wire harness, a deserializer module and a vehicle-mounted information display; the circuit adopts the modular design, gets rid of redundant wiring, greatly reduced maintains the degree of difficulty.
2. The vehicle-mounted entertainment central control system is connected with the display instrument panel by adopting the FPD-LINK wire harness, the FPD-LINK wire harness is low in cost, and the control signal can be transmitted while the audio and video signal is transmitted. The transmitted audio and video is higher in definition, and the real-time performance of user operation response can be realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to be able to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a circuit schematic of an ARM processor module;
FIG. 2 is a circuit schematic of the serializer module;
FIG. 3 is a schematic diagram of an interrupt circuit;
FIG. 4 is a schematic diagram of a reset circuit;
FIG. 5 is a schematic diagram of a module selection circuit and an address selection circuit;
FIG. 6 is a circuit schematic of the indicator light module and connector portion;
FIG. 7 is a circuit schematic of a voltage source module;
FIG. 8 is a schematic diagram of a control circuit for the display panel side power supply;
fig. 9 is a system architecture diagram of the FPD-LINK in-vehicle information transmission circuit.
The control chip U1, the conversion chip U5, the dial switch SW2, the first connector CN1, the second connector J2, the crossover block JP1 and the buck converter U3 are arranged on the circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Examples
Referring to fig. 1 to 9, the present invention discloses an FPD-LINK in-vehicle information transmission circuit, including:
the device comprises an ARM processor module, a serializer module, an FPD-LINK wire harness, a deserializer module and a vehicle-mounted information display. Fig. 9 is a system architecture diagram of the FPD-LINK in-vehicle information transmission circuit.
The ARM processor module is used for central control of the vehicle-mounted entertainment system; the serializer module is provided with a conversion chip U5, the type of the conversion chip U5 is DS90UB947, and a single-channel or double-channel high-speed serial data stream can be provided. The deserializer module is provided with a deserializer DS90UB948 matched with the conversion chip, the FPD-LINK wire harness is used for high-speed serial data flow, audio data received by the conversion chip U5 can be encrypted and sent out through an FPD-LINK interface, and then the deserializer regenerates the audio data, so that the system design is simplified, and the transmission efficiency is improved. The serializer module is connected with the ARM processor module through a GPIO signal line, and the deserializer module is connected with the vehicle-mounted information display through a GPIO signal line. The vehicle-mounted entertainment central control system can be connected with the display instrument panel by adopting the FPD-LINK wire harness, the FPD-LINK wire harness is low in cost, and control signals can be transmitted while audio and video signals are transmitted. The transmitted audio and video is higher in definition, and the real-time performance of user operation response can be realized.
The ARM processor module is internally provided with a control chip U1, and the serializer module is connected with the data end of the control chip U1; the serializer module is connected with the deserializer module through an FPD-LINK wire harness, the deserializer module is connected with a vehicle-mounted information display, and a display screen device for human-computer interaction is arranged in the vehicle-mounted information display.
The serializer module is provided with a reset circuit, a multi-channel audio transmission circuit and an interrupt circuit which are connected with a data end of the conversion chip U5. The multi-channel audio transmission circuit is connected with an external I2S interface of the conversion chip U5; the external interface of the conversion chip U5 is further connected with a first connector CN1, and the first connector CN1 is used for transmitting current and signals; the digital output port of the conversion chip U5 is connected with a second connector J2 used in the field of car networking. The interrupt circuit is electrically connected with the ARM processor module, and comprises field effect transistors QM1 and QM2 and a bridging block JP1 for short-distance wiring.
The source of the field effect transistor QM2 is connected to the INTB terminal of the switch chip U5 for triggering interrupt, the gate of the field effect transistor QM2 is connected to the power interface VDDIO of the switch chip U5, the drain of the field effect transistor QM2 is connected to the power interface VDDIO of the switch chip U5, and a resistor R46 is connected in series between the drain of the field effect transistor QM2 and the power interface VDDIO. The drain of the field effect transistor QM2 is connected to the gate of the field effect transistor QM1, the source of the field effect transistor QM1 is grounded, one end of the jumper block JP1 for short-distance wiring is connected to the connection node between the source of QM1 and the ground, and one end of the jumper block JP1 is connected to the power supply interface VDDIO of the converter chip U5. The drain of the field effect transistor QM1 is connected to the power interface VDD18 of the switch chip U5. The control circuit described above can be used for a functional interrupt between DS90UB947 and DS90UB948 that removes a signal portion.
The reset circuit comprises a resistor R69 and a resistor R72 which are mutually connected in series. The resistor R69 and the resistor R72 are connected in series to form a circuit, one end of the circuit is connected with a data interface of the ARM processor module, the other end of the circuit is connected with the capacitor C4, and the capacitor C4 is grounded. A resistor R66 is connected between the connection nodes of the capacitor C4 and the resistor R69, and the resistor R66 is connected with a 1.8V power supply.
The FPD-LINK vehicle-mounted information transmission circuit comprises a module selection circuit and an address selection circuit, wherein the module selection circuit and the address selection circuit are both connected with the conversion chip U5.
The module selection circuit is composed of a first module selection circuit and a second module selection circuit, wherein the first module selection circuit is provided with a dial switch SW2 and an integrated resistor connected with the dial switch SW 2. The second module selection circuit is provided with a dial switch SW3 and an integrated resistor connected with the dial switch SW 3.
The FPD-LINK vehicle-mounted information transmission circuit comprises an indicator light module, and the indicator light module is connected with the ARM processor module. The indicator light module comprises a triode Q1, a triode Q2, an indicator light LED2, an indicator light LED4, an indicator light LED5 and an indicator light LED 3. The base of the transistor Q1 is connected to the controlled terminal of the control chip U1. The base of the transistor Q2 is connected with the interrupt end of the control chip U1. The emitter of the transistor Q1 is grounded, and the emitter of the transistor Q2 is connected to the connection node between the emitter of the transistor Q1 and ground. The indicating lamp module can indicate the working state of the vehicle-mounted entertainment system in real time.
The FPD-LINK vehicle-mounted information transmission circuit comprises a voltage source module, wherein the voltage source module comprises a 1.1V voltage source, a 1.8V voltage source and a 3.3V voltage source. The 1.8V voltage source module is provided with a buck converter U3, and an inductor L3 and a resistor R87 for charging energy and discharging energy are connected in series between a switch pin end and a feedback end of the buck converter U3. The bootstrap pin end of the buck converter is sequentially connected in series with a capacitor C20 and a diode D5; the junction of the feedback terminal and resistor R87 is connected to ground. The inductance, the resistance, the diode and the capacitance in the external circuit of the buck converter U3 form a complete buck DC/DC converter, the buck DC/DC converter charges the inductance when the switching tube is switched on, and the inductance discharges when the switching tube is switched off, so that an output voltage lower than an input voltage can be obtained, the energy loss is very small, and the structure is simple and easy to realize.
A control circuit is arranged in the ARM processor module. The control circuit includes a transistor Q6 and a transistor Q5. An emitter of the triode Q6 is grounded, a base of the triode Q6 is connected with a data end of the control chip U1, and a resistor R98 is connected in series between the base of the triode Q6 and the data end of the control chip U1; the collector terminal of the triode Q6 is connected with the base of the triode Q5, the emitter of the triode Q5 is connected with the 3.3V voltage source terminal, and the collector terminal of the triode Q5 is connected with the data port of the control chip U1. The control circuit is used for controlling the power supply at the display screen end, and the control signal is from the ARM processor module.
The embodiment needs to be supplemented with that: the invention consists of specific hardware structures such as an ARM processor module, a serializer module, an FPD-LINK wire harness, a deserializer module, a vehicle-mounted information display and the like, wherein part of hardware participates in a software program in the running process, and the software programs assisting the running of the local computer are all the existing replicable software programs and do not form the innovation point of the application.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An FPD-LINK in-vehicle information transmission circuit, comprising:
the system comprises an ARM processor module, a serializer module for sending data, an FPD-LINK wire harness for high-speed serial data streams, a deserializer module for receiving data and a vehicle-mounted information display for displaying audio and video;
the ARM processor module is internally provided with a control chip U1, and the serializer module is connected with the data end of the control chip U1; the serializer module is connected with the deserializer module through an FPD-LINK wire harness, the deserializer module is connected with the vehicle-mounted information display, and a display screen device is arranged in the vehicle-mounted information display.
2. The FPD-LINK in-vehicle information transmission circuit of claim 1, wherein the serializer module includes a conversion chip U5, and a reset circuit, a multi-channel audio transmission circuit and an interrupt circuit connected to the conversion chip U5; the external interface of the conversion chip U5 is connected with a first connector CN1 for transmitting current and signals; and the digital output port of the conversion chip U5 is connected with a second connector J2 used in the field of car networking.
3. The FPD-LINK in-vehicle information delivery circuit of claim 2, wherein the interrupt circuit is electrically coupled to the ARM processor module; the interrupt circuit includes field effect transistors QM1 and QM2 and a jumper block JP1 for short-range wiring.
4. The FPD-LINK vehicle-mounted information transmission circuit of claim 3, wherein a source of the field effect transistor QM2 is connected with an INTB terminal used for triggering interruption in the conversion chip U5, a gate of the field effect transistor QM2 is connected with a power interface VDDIO of the conversion chip U5, a drain of the field effect transistor QM2 is connected with a power interface VDDIO of the conversion chip U5, and a resistor R46 is connected in series between the drain of the field effect transistor QM2 and the power interface VDDIO; the drain of the field effect transistor QM2 is connected with the gate of the field effect transistor QM1, the source of the field effect transistor QM1 is grounded, one end of the crossover block JP1 for short-distance wiring is connected with a connection node between the source of QM1 and the ground, and one end of the crossover block JP1 is connected with the power supply interface VDDIO of the conversion chip U5; the drain of the field effect transistor QM1 is connected to the power interface VDD18 of the switch chip U5.
5. The FPD-LINK in-vehicle information transmission circuit of claim 4, wherein the reset circuit includes a resistor R69 and a resistor R72 arranged in series with each other; the resistor R69 and the resistor R72 are connected in series to form a circuit, one end of the circuit is connected with a data interface of the ARM processor module, the other end of the circuit is connected with a capacitor C4, and the capacitor C4 is grounded; a resistor R66 is connected between the capacitor C4 and the connection node of the resistor R69, and the resistor R66 is connected with a 1.8V power supply.
6. The FPD-LINK in-vehicle information transmission circuit of claim 5, comprising a module selection circuit and an address selection circuit, both of which are connected to the conversion chip U5; the module selection circuit is composed of a first module selection circuit and a second module selection circuit, and the first module selection circuit is provided with a dial switch SW2 and an integrated resistor connected with the dial switch SW 2.
7. The FPD-LINK vehicle information transmission circuit of claim 6, comprising an indicator light module, the indicator light module coupled to the ARM processor module; the indicating lamp module comprises a triode Q1, a triode Q2, an indicating lamp LED2, an indicating lamp LED4, an indicating lamp LED5 and an indicating lamp LED3, and the base electrodes of the triode Q1 and the triode Q2 are respectively connected with the controlled end and the interrupt end of the control chip U1; the emitter of the transistor Q1 is grounded, and the emitter of the transistor Q2 is connected to the connection node between the emitter of the transistor Q1 and ground.
8. The FPD-LINK vehicle information transmission circuit of claim 7, comprising a voltage source module comprising a 1.1V voltage source, a 1.8V voltage source, and a 3.3V voltage source; a buck converter U3 is arranged in the 1.8V voltage source module, and an inductor L3 and a resistor R87 which are used for being charged with energy and discharging energy are connected in series between a switch pin end and a feedback end of the buck converter U3; the bootstrap pin end of the buck converter is sequentially connected in series with a capacitor C20 and a diode D5; the junction of the feedback terminal and the resistor R87 is connected to ground.
9. The FPD-LINK vehicle information transmission circuit of claim 8, wherein a control circuit for controlling the power supply of the display screen side is provided in the ARM processor module; the control circuit comprises a transistor Q6 and a transistor Q5; the emitting electrode of the triode Q6 is grounded, the base electrode of the triode Q6 is connected with the data end of the control chip U1, and a resistor R98 is connected in series between the base electrode of the triode Q6 and the data end of the control chip U1; the collector terminal of the triode Q6 is connected with the base of the triode Q5, the emitter of the triode Q5 is connected with the 3.3V voltage source terminal, and the collector terminal of the triode Q5 is connected with the data port of the control chip U1.
10. The FPD-LINK vehicle information transmission circuit of claim 9, wherein the serializer module is connected to the ARM processor module via a GPIO signal line, and the deserializer module is connected to the vehicle information display via a GPIO signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292897.5A CN111591233A (en) | 2020-04-15 | 2020-04-15 | FPD-LINK vehicle-mounted information transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292897.5A CN111591233A (en) | 2020-04-15 | 2020-04-15 | FPD-LINK vehicle-mounted information transmission circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111591233A true CN111591233A (en) | 2020-08-28 |
Family
ID=72190358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010292897.5A Withdrawn CN111591233A (en) | 2020-04-15 | 2020-04-15 | FPD-LINK vehicle-mounted information transmission circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111591233A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140285715A1 (en) * | 2007-11-30 | 2014-09-25 | Thine Electronics, Inc. | Video signal transmission device, video signal reception device, and video signal transmission system |
| US20160297301A1 (en) * | 2015-04-07 | 2016-10-13 | Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America | Modular unit identification in a modular upgradeable vehicle infotainment system |
| CN106921408A (en) * | 2017-01-10 | 2017-07-04 | 上海蔚来汽车有限公司 | The test system and method for serial bus communication circuit |
| CN108040214A (en) * | 2017-12-08 | 2018-05-15 | 延锋伟世通电子科技（南京）有限公司 | A kind of SPI passages by FPD-LinkIII realize vehicle entertainment system and the framework of instrument double screen interconnection |
| CN109348157A (en) * | 2018-11-21 | 2019-02-15 | 深圳创维数字技术有限公司 | Based on circuit, the method and device for controlling information iteration in video realization |
| CN110505268A (en) * | 2019-06-04 | 2019-11-26 | 江苏新通达电子科技股份有限公司 | The data transmission system and transmission method of high-speed transfer FOTA firmware updating packet |
| CN209880110U (en) * | 2019-03-11 | 2019-12-31 | 东莞市艺展电子有限公司 | High-speed signal transmission device between multi-media navigation split host and display screen |
-
2020
- 2020-04-15 CN CN202010292897.5A patent/CN111591233A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140285715A1 (en) * | 2007-11-30 | 2014-09-25 | Thine Electronics, Inc. | Video signal transmission device, video signal reception device, and video signal transmission system |
| US20160297301A1 (en) * | 2015-04-07 | 2016-10-13 | Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America | Modular unit identification in a modular upgradeable vehicle infotainment system |
| CN106921408A (en) * | 2017-01-10 | 2017-07-04 | 上海蔚来汽车有限公司 | The test system and method for serial bus communication circuit |
| CN108040214A (en) * | 2017-12-08 | 2018-05-15 | 延锋伟世通电子科技（南京）有限公司 | A kind of SPI passages by FPD-LinkIII realize vehicle entertainment system and the framework of instrument double screen interconnection |
| CN109348157A (en) * | 2018-11-21 | 2019-02-15 | 深圳创维数字技术有限公司 | Based on circuit, the method and device for controlling information iteration in video realization |
| CN209880110U (en) * | 2019-03-11 | 2019-12-31 | 东莞市艺展电子有限公司 | High-speed signal transmission device between multi-media navigation split host and display screen |
| CN110505268A (en) * | 2019-06-04 | 2019-11-26 | 江苏新通达电子科技股份有限公司 | The data transmission system and transmission method of high-speed transfer FOTA firmware updating packet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7755412B2 (en) | Bi-directional level shifted interrupt control | |
| CN216390547U (en) | PD charging circuit capable of automatically compensating line loss | |
| CN111591233A (en) | FPD-LINK vehicle-mounted information transmission circuit | |
| CN105472782B (en) | A kind of wireless communication terminal | |
| CN101739378B (en) | Driving circuit of EIB (European installation bus) bus transmitting device | |
| CN106877078A (en) | Terminal connection circuit and its method for wearable device | |
| CN215904446U (en) | Unified output foot kicking sensor system | |
| CN216086607U (en) | Input circuit and circuit board for program control NPN-PNP switching | |
| CN116203825A (en) | Voltage polarity switching circuit, wire controller and control system | |
| CN215268511U (en) | Novel interface supporting 100W charging | |
| CN213186140U (en) | MBUS host computer transmitting circuit | |
| CN211906267U (en) | Bus conversion circuit for vehicle | |
| CN113629828A (en) | PD charging circuit and charging method capable of automatically compensating line loss | |
| CN209805802U (en) | Intelligent state monitoring display instrument based on Android operating system | |
| CN103531141B (en) | A kind of Nixie tube drive circuit and its control method | |
| CN203677080U (en) | Novel antijamming electrocardiograph probe assembly | |
| CN203054820U (en) | Television-computer all-in-one machine and driving board thereof | |
| CN203551987U (en) | Analog input and output extension module | |
| CN206432513U (en) | The terminal connection circuit of wearable device | |
| CN217739841U (en) | Embedded artificial intelligence computer motherboard | |
| CN104375966A (en) | Isolation control device and isolation control method for processor interface | |
| WO2022246771A1 (en) | Charging and discharging circuit and terminal device | |
| CN214674428U (en) | Control circuit for mutual communication of chip states of double-port/multi-port charger | |
| CN106788361A (en) | MCU is long to press reset circuit | |
| CN215221202U (en) | Vehicle-mounted USB concentrator supporting high-power charging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200828 |
|
| WW01 | Invention patent application withdrawn after publication |