CN102368382B - Vehicular LCD (Liquid Crystal Display) imitation screen - Google Patents
Vehicular LCD (Liquid Crystal Display) imitation screen Download PDFInfo
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- CN102368382B CN102368382B CN 201110397840 CN201110397840A CN102368382B CN 102368382 B CN102368382 B CN 102368382B CN 201110397840 CN201110397840 CN 201110397840 CN 201110397840 A CN201110397840 A CN 201110397840A CN 102368382 B CN102368382 B CN 102368382B
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Abstract
The invention relates to a vehicle-used LCD (Liquid Crystal Display) imitation screen. According to the imitation screen, the mounting size and weight of components are reduced, a small uncomplicated electrical system is used and individual components are combined to reduce the total number of the components; mechanical joints between an instrument board and a vehicle are reduced by adopting more reliable components so as to reduce maintenance to the maximum degree; and a display method is modified to bring convenience to the internal distribution of the instrument board and the connection among sensors. The LCD imitation screen has the following advantages that: 1, digitization of the basic information of the vehicle and standardization of the information transmission of the vehicle are realized; 2, the instrument board of the vehicle is simplified and the size of the instrument board is reduced; 3, multimedia and entertainment functions of the vehicle are increased; and 4, the LCD imitation screen is convenient and safe to operate and simplified in maintenance.
Description
Technical field
The present invention relates to a kind of 10 inch or automobile-used imitation screen of 14 inch LCD that shows the various power electric data of operating vehicle condition and signal for automobile.
Background technology
Automobile adopts traditional electromechanical to show at present, comprises tachometer gage, speed/mileometer, fuel gauge, bayonet gauge, thermometer and a large amount of signal lamp.What instrument panel was mainly considered when design is driver's human factor and the physical location of part on instrument panel.Require designer this limited position on instrument panel to get on to install the dozens of parts.The volume of a typical panel board inner room is approximately 0.015m
3, about 65% is used for installing machinery and carries out part (comprising panel board and radio etc.) in the area of panel board inner room, and 12% is used for the mounting electrical device, and 2% is used for conducting wire.These numerals have also comprised the equispaced about about 10mm between the part.Like this, approximately only have support, the carriage of 20% position mounting parts and reserve essential maintenance position.This shows that the panel board inner room is quite full.
Summary of the invention
Deficiency in view of prior art exists the invention provides a kind of automobile-used imitation screen of LCD that shows the various power electric data of operating vehicle condition and signal for automobile.Installation dimension and the weight of this imitation screen by reducing part is used more small-sized not too complicated electrical system, single part is merged, to reduce the total quantity of part; Adopt more reliable part, reduce the mechanical contacts between instrument panel and the automobile, to reduce to greatest extent maintaining; Improve display packing, being connected etc. between the layout of giving the panel board inner room and each sensor brings convenience.
The present invention for achieving the above object, the technical scheme of taking is: the automobile-used imitation screen of a kind of LCD, it is characterized in that: comprise three gating chip U1, U2, U3, also comprise amplifying circuit U4, A/D change-over circuit U5, calculation function chip U6, EEPROM U7, single-chip microcomputer U8 and LCD main display board Y, vehicle right and left steering indicating light signal, the long-and-short distant light signal, braking warning lamp signal, the backup lamp signal, the fog lamp signal, offside door does not close respectively contact resistance R2 of cue, R1, R3, R4, R5, R6, R7, the end of R8, resistance R 2, R1, R3, R4, R5, R6, R7, the other end of R8 respectively with 1 pin of gating chip U1,2 pin, 4 pin, 5 pin, 12 pin, 13 pin, 14 pin, 15 pin are connected, 7 pin of gating chip U1 are received power supply negative terminal, 16 pin are received power positive end, 3 pin of gating chip U1,9 pin, 10 pin, 11 pin respectively with 16 pin of single-chip microcomputer U8,10 pin, 11 pin, 12 pin are connected, and 3 pin of gating chip U1 are connected with 3 pin of gating chip U2,6 pin of gating chip U1,8 pin respectively with 6 pin of gating chip U2,8 pin connect simultaneously ground connection, the Automobile Right side door does not close cue, driver safety warning lamp signal, the braking anti-lock signal, fuel tank fuel quantity hangs down the warning lamp signal, the Oil pressure warning light signal, the charging indicator light signal, gear pilot lamp signal is contact resistance R9 respectively, R10, R11, R12, R13, R14, the end of R15, resistance R 9, R10, R11, R12, R13, R14, the other end of R15 respectively with 1 pin of gating chip U2,2 pin, 4 pin, 5 pin, 12 pin, 3 pin, 4 pin are connected, 7 pin of gating chip U2 are received power supply negative terminal, 16 pin of gating chip U2 are received power positive end, 9 pin of gating chip U2,10 pin, 11 pin respectively with 28 pin of single-chip microcomputer U8,4 pin, 5 pin connect, the tachometer gage signal, the reometer signal, the voltage table signal, the oil manometer signal, fuel liquid level table signal, the water-thermometer signal is connected respectively to 1 pin of gating chip U3,2 pin, 4 pin, 5 pin, 12 pin, 13 pin, 7 pin of gating chip U3 are received power supply negative terminal, 16 pin of gating chip U3 are received power positive end, 6 pin of gating chip U3,8 pin, 14 pin, 15 pin are ground connection simultaneously, 9 pin of gating chip U3,10 pin, 11 pin respectively with 25 pin of single-chip microcomputer U8,26 pin, 27 pin connect, 3 pin of gating chip U3 are connected with 2 pin of amplifier U4, the end of the 3 pin contact resistance R17 of amplifier U4, the other end of resistance R 17 respectively with 1 pin of storer U7,2 pin, 3 pin, 10 pin of 4 pin and A/D conversion chip U5,24 pin are received together and ground connection, 6 pin of amplifier U4 are connected with an end of resistance R 18, the other end of resistance R 18 is received 9 pin of A/D conversion chip U5,5 pin of storer U7,6 pin, 7 pin are received respectively 1 pin of singlechip chip U8,2 pin, 3 pin, 8 pin of storer U7 connect positive source, the end of the 11 pin connecting resistance R19 of A/D conversion chip U5 and an end of capacitor C 1 also connect positive 5 volts of power supplys simultaneously, the end of the other end connecting resistance R20 of resistance R 19 and 2 pin of A/D conversion chip U5, the other end that the other end of capacitor C 1 is connected with resistance R connects, 1 pin of A/D conversion chip U5 is connected with an end of capacitor C 2 to connect simultaneously bears 5 volts of power supplys, 3 pin of another termination U5 of capacitor C 2 and an end of resistance R 21, the negative pole of another terminating diode D1 of resistance R 21, the positive pole of diode D1 connects an end of capacitor C 3 and 4 pin of A/D conversion chip U5, one end of another termination capacitor C 4 of capacitor C 3 and an end of resistance R 22,5 pin of another termination A/D change-over circuit U5 of capacitor C 4,6 pin of another termination A/D change-over circuit U5 of resistance R 22,7 pin of A/D conversion chip U5,8 pin are received respectively the two ends of capacitor C 5,21 pin of A/D change-over circuit U5,22 pin, 23 pin are received respectively 13 pin of single-chip microcomputer U8,15 pin, 6 pin, 22 pin wherein also connect 6 pin of arithmetical unit U6,16 pin of arithmetical unit U6 connect positive source, 8 pin of arithmetical unit U6 and 11 pin are ground connection simultaneously, 10 pin are connected with 30 pin of single-chip microcomputer U8,20 pin of single-chip microcomputer U8 connect power cathode, 31 pin connect positive source, 18 pin of single-chip microcomputer U8 connect the end of crystal oscillator Y1 and an end of capacitor C 6, one end and the ground connection of another termination capacitor C 7 of capacitor C 6, the other end of another termination crystal oscillator Y1 of capacitor C 7 and 19 pin of single-chip microcomputer U8,7 pin of single-chip microcomputer U8,8 pin, 9 pin, 14 pin, 29 pin, 21 pin, 22 pin, 23 pin, 24 pin, 32 pin, 33 pin, 34 pin, 35 pin, 36 pin, 37 pin, 38 pin, 39 pin, 40 pin are connecting resistance R39 respectively, R38, R37, R36, R35, R34, R33, R32, R31, R30, R29, R28, R27, R26, R25, R24, R23, the end of R16, resistance R 38, R37, R36, R35, R34, R33, R32, R31, R30, R29, R28, R27, R26, R25, R24, R23, the other end of R16 connects respectively the dipped headlights on the display panel, high beam, fog lamp, backup lamp, the brake system warning lamp, the right turn lamp, the left steering lamp, the anti-lock braking system warning lamp, the engine oil pressure pilot lamp, charging indicator light, the driver safety warning lamp, the water temperature over-high alarm lamp, car door warning light, voltage table, tachometer gage, the fuel liquid level table, water-thermometer, the other end of resistance R 39 is received 1 pin of gear indiction switch S1,2 pin of gear indiction switch S1,3 pin, 4 pin, 5 pin, 6 pin, 7 pin are received on the gear pilot lamp, the speedometer of the received impulse signal display panel of sensor L in the variator.
The invention has the beneficial effects as follows:
1. realize the digitizing of automobile essential information, realized the Automotive Information Transmission standardization.
2. simplify automobile instrument panel, dwindled the panel board size.
3. car multimedia and amusement function have been increased.
Easy to operate, safety, simplified maintenance.
Description of drawings
Fig. 1 is that circuit of the present invention connects block diagram.
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
As shown in Figure 1, the automobile-used imitation screen of a kind of LCD, comprise three gating chip U1, U2, U3, also comprise amplifying circuit U4, A/D change-over circuit U5, calculation function chip U6, EEPROM U7, single-chip microcomputer U8 and LCD main display board Y, vehicle right and left steering indicating light signal, the long-and-short distant light signal, braking warning lamp signal, the backup lamp signal, the fog lamp signal, offside door does not close respectively contact resistance R2 of cue, R1, R3, R4, R5, R6, R7, the end of R8, resistance R 2, R1, R3, R4, R5, R6, R7, the other end of R8 respectively with 1 pin of gating chip U1,2 pin, 4 pin, 5 pin, 12 pin, 13 pin, 14 pin, 15 pin are connected, 7 pin of gating chip U1 are received power supply negative terminal, 16 pin are received power positive end, 3 pin of gating chip U1,9 pin, 10 pin, 11 pin respectively with 16 pin of single-chip microcomputer U8,10 pin, 11 pin, 12 pin are connected, and 3 pin of gating chip U1 are connected with 3 pin of gating chip U2,6 pin of gating chip U1,8 pin respectively with 6 pin of gating chip U2,8 pin connect simultaneously ground connection, the Automobile Right side door does not close cue, driver safety warning lamp signal, the braking anti-lock signal, fuel tank fuel quantity hangs down the warning lamp signal, the Oil pressure warning light signal, the charging indicator light signal, gear pilot lamp signal is contact resistance R9 respectively, R10, R11, R12, R13, R14, the end of R15, resistance R 9, R10, R11, R12, R13, R14, the other end of R15 respectively with 1 pin of gating chip U2,2 pin, 4 pin, 5 pin, 12 pin, 3 pin, 4 pin are connected, 7 pin of gating chip U2 are received power supply negative terminal, 16 pin of gating chip U2 are received power positive end, 9 pin of gating chip U2,10 pin, 11 pin respectively with 28 pin of single-chip microcomputer U8,4 pin, 5 pin connect, the tachometer gage signal, the reometer signal, the voltage table signal, the oil manometer signal, fuel liquid level table signal, the water-thermometer signal is connected respectively to 1 pin of gating chip U3,2 pin, 4 pin, 5 pin, 12 pin, 13 pin, 7 pin of gating chip U3 are received power supply negative terminal, 16 pin of gating chip U3 are received power positive end, 6 pin of gating chip U3,8 pin, 14 pin, 15 pin are ground connection simultaneously, 9 pin of gating chip U3,10 pin, 11 pin respectively with 25 pin of single-chip microcomputer U8,26 pin, 27 pin connect, 3 pin of gating chip U3 are connected with 2 pin of amplifier U4, the end of the 3 pin contact resistance R17 of amplifier U4, the other end of resistance R 17 respectively with 1 pin of storer U7,2 pin, 3 pin, 10 pin of 4 pin and A/D conversion chip U5,24 pin are received together and ground connection, 6 pin of amplifier U4 are connected with an end of resistance R 18, the other end of resistance R 18 is received 9 pin of A/D conversion chip U5,5 pin of storer U7,6 pin, 7 pin are received respectively 1 pin of singlechip chip U8,2 pin, 3 pin, 8 pin of storer U7 connect positive source, the end of the 11 pin connecting resistance R19 of A/D conversion chip U5 and an end of capacitor C 1 also connect positive 5 volts of power supplys simultaneously, the end of the other end connecting resistance R20 of resistance R 19 and 2 pin of A/D conversion chip U5, the other end that the other end of capacitor C 1 is connected with resistance R connects, 1 pin of A/D conversion chip U5 is connected with an end of capacitor C 2 to connect simultaneously bears 5 volts of power supplys, 3 pin of another termination U5 of capacitor C 2 and an end of resistance R 21, the negative pole of another terminating diode D1 of resistance R 21, the positive pole of diode D1 connects an end of capacitor C 3 and 4 pin of A/D conversion chip U5, one end of another termination capacitor C 4 of capacitor C 3 and an end of resistance R 22,5 pin of another termination A/D change-over circuit U5 of capacitor C 4,6 pin of another termination A/D change-over circuit U5 of resistance R 22,7 pin of A/D conversion chip U5,8 pin are received respectively the two ends of capacitor C 5,21 pin of A/D change-over circuit U5,22 pin, 23 pin are received respectively 13 pin of single-chip microcomputer U8,15 pin, 6 pin, 22 pin wherein also connect 6 pin of arithmetical unit U6,16 pin of arithmetical unit U6 connect positive source, 8 pin of arithmetical unit U6 and 11 pin are ground connection simultaneously, 10 pin are connected with 30 pin of single-chip microcomputer U8,20 pin of single-chip microcomputer U8 connect power cathode, 31 pin connect positive source, 18 pin of single-chip microcomputer U8 connect the end of crystal oscillator Y1 and an end of capacitor C 6, one end and the ground connection of another termination capacitor C 7 of capacitor C 6, the other end of another termination crystal oscillator Y1 of capacitor C 7 and 19 pin of single-chip microcomputer U8,7 pin of single-chip microcomputer U8,8 pin, 9 pin, 14 pin, 29 pin, 21 pin, 22 pin, 23 pin, 24 pin, 32 pin, 33 pin, 34 pin, 35 pin, 36 pin, 37 pin, 38 pin, 39 pin, 40 pin are connecting resistance R39 respectively, R38, R37, R36, R35, R34, R33, R32, R31, R30, R29, R28, R27, R26, R25, R24, R23, the end of R16, resistance R 38, R37, R36, R35, R34, R33, R32, R31, R30, R29, R28, R27, R26, R25, R24, R23, the other end of R16 connects respectively the dipped headlights on the display panel, high beam, fog lamp, backup lamp, the brake system warning lamp, the right turn lamp, the left steering lamp, the anti-lock braking system warning lamp, the engine oil pressure pilot lamp, charging indicator light, the driver safety warning lamp, the water temperature over-high alarm lamp, car door warning light, voltage table, tachometer gage, the fuel liquid level table, water-thermometer, the other end of resistance R 39 is received 1 pin of gear indiction switch S1,2 pin of gear indiction switch S1,3 pin, 4 pin, 5 pin, 6 pin, 7 pin are received on the gear pilot lamp, the speedometer of the received impulse signal display panel of sensor L in the variator.
Principle of work: as shown in Figure 1, 2, each road input signal is by three gating chip U1, U2, U3 gating, six groups of signals such as fuel liquid level table, oil manometer, thermometer, reometer, voltage table, tachometer gage belong to analog input, show image and data through gating chip U3 gating-amplifying circuit U4 amplification-A/D conversion chip U5 conversion-single-chip microcomputer U8 data processing-LCD main display board Y; Other signals all belong to switching value, without amplifying and the A/D converse routine, behind gating chip U1 or the U2 gating directly by single-chip microcomputer U8 data processing-LCD main display board Y display graphics; Sensor L output pulse signal in the speedometer need not just directly to show numeral by single-chip microcomputer U8 deal with data-LCD main display board Y through other data-switching again.Gear indication also is that switching value need not through other data-switching again, and working routine is fairly simple just directly to show image by LCD main display board Y deal with data-LCD.In order to realize these functions, can adopt the program (using the C language compilation) of the direct display graphics of PLC trapezoidal pattern programming method (software realization figure module) and single-chip microcomputer inside.
Gating chip U1, U2, U3 model are 4051, and amplifying circuit U4 model is that 358, A/D conversion chip U5 model is 7135, and single-chip microcomputer U8 model is 89C52, and calculation function chip U6 model is 14040.
Claims (1)
1. automobile-used imitation screen of LCD, it is characterized in that: comprise three gating chip U1, U2, U3, also comprise amplifier U4, A/D conversion chip U5, arithmetical unit U6, storer U7, single-chip microcomputer U8 and LCD main display board Y, automobile left steering modulating signal, the right turn modulating signal, the high beam signal, the dipped headlights signal, braking warning lamp signal, the backup lamp signal, the fog lamp signal, offside door does not close respectively contact resistance R2 of cue, R1, R3, R4, R5, R6, R7, the end of R8, resistance R 2, R1, R3, R4, R5, R6, R7, the other end of R8 respectively with 1 pin of gating chip U1,2 pin, 4 pin, 5 pin, 12 pin, 13 pin, 14 pin, 15 pin are connected, 7 pin of gating chip U1 are received power supply negative terminal, 16 pin are received power positive end, 3 pin of gating chip U1,9 pin, 10 pin, 11 pin respectively with 16 pin of single-chip microcomputer U8,10 pin, 11 pin, 12 pin are connected, and 3 pin of gating chip U1 are connected with 3 pin of gating chip U2,6 pin of gating chip U1,8 pin respectively with 6 pin of gating chip U2,8 pin connect simultaneously ground connection, the Automobile Right side door does not close cue, driver safety warning lamp signal, the braking anti-lock signal, fuel tank fuel quantity hangs down the warning lamp signal, the Oil pressure warning light signal, the charging indicator light signal, gear pilot lamp signal is contact resistance R9 respectively, R10, R11, R12, R13, R14, the end of R15, resistance R 9, R10, R11, R12, R13, R14, the other end of R15 respectively with 1 pin of gating chip U2,2 pin, 4 pin, 5 pin, 12 pin, 3 pin, 4 pin are connected, 7 pin of gating chip U2 are received power supply negative terminal, 16 pin of gating chip U2 are received power positive end, 9 pin of gating chip U2,10 pin, 11 pin respectively with 28 pin of single-chip microcomputer U8,4 pin, 5 pin connect, the tachometer gage signal, the reometer signal, the voltage table signal, the oil manometer signal, fuel liquid level table signal, the water-thermometer signal is connected respectively to 1 pin of gating chip U3,2 pin, 4 pin, 5 pin, 12 pin, 13 pin, 7 pin of gating chip U3 are received power supply negative terminal, 16 pin of gating chip U3 are received power positive end, 6 pin of gating chip U3,8 pin, 14 pin, 15 pin are ground connection simultaneously, 9 pin of gating chip U3,10 pin, 11 pin respectively with 25 pin of single-chip microcomputer U8,26 pin, 27 pin connect, 3 pin of gating chip U3 are connected with 2 pin of amplifier U4, the end of the 3 pin contact resistance R17 of amplifier U4, the other end of resistance R 17 respectively with 1 pin of storer U7,2 pin, 3 pin, 10 pin of 4 pin and A/D conversion chip U5,24 pin are received together and ground connection, 6 pin of amplifier U4 are connected with an end of resistance R 18, the other end of resistance R 18 is received 9 pin of A/D conversion chip U5,5 pin of storer U7,6 pin, 7 pin are received respectively 1 pin of single-chip microcomputer U8,2 pin, 3 pin, 8 pin of storer U7 connect positive source, the end of the 11 pin connecting resistance R19 of A/D conversion chip U5 and an end of capacitor C 1 also connect positive 5 volts of power supplys simultaneously, the end of the other end connecting resistance R20 of resistance R 19 and 2 pin of A/D conversion chip U5, the other end that the other end of capacitor C 1 is connected with resistance R connects, 1 pin of A/D conversion chip U5 is connected with an end of capacitor C 2 to connect simultaneously bears 5 volts of power supplys, 3 pin of another termination U5 of capacitor C 2 and an end of resistance R 21, the negative pole of another terminating diode D1 of resistance R 21, the positive pole of diode D1 connects an end of capacitor C 3 and 4 pin of A/D conversion chip U5, one end of another termination capacitor C 4 of capacitor C 3 and an end of resistance R 22,5 pin of another termination A/D conversion chip U5 of capacitor C 4,6 pin of another termination A/D conversion chip U5 of resistance R 22,7 pin of A/D conversion chip U5,8 pin are received respectively the two ends of capacitor C 5,21 pin of A/D conversion chip U5,22 pin, 23 pin are received respectively 13 pin of single-chip microcomputer U8,15 pin, 6 pin, 22 pin wherein also connect 6 pin of arithmetical unit U6,16 pin of arithmetical unit U6 connect positive source, 8 pin of arithmetical unit U6 and 11 pin are ground connection simultaneously, 10 pin are connected with 30 pin of single-chip microcomputer U8,20 pin of single-chip microcomputer U8 connect power cathode, 31 pin connect positive source, 18 pin of single-chip microcomputer U8 connect the end of crystal oscillator Y1 and an end of capacitor C 6, one end and the ground connection of another termination capacitor C 7 of capacitor C 6, the other end of another termination crystal oscillator Y1 of capacitor C 7 and 19 pin of single-chip microcomputer U8,7 pin of single-chip microcomputer U8,8 pin, 9 pin, 14 pin, 29 pin, 21 pin, 22 pin, 23 pin, 24 pin, 32 pin, 33 pin, 34 pin, 35 pin, 36 pin, 37 pin, 38 pin, 39 pin, 40 pin are connecting resistance R39 respectively, R38, R37, R36, R35, R34, R33, R32, R31, R30, R29, R28, R27, R26, R25, R24, R23, the end of R16, resistance R 38, R37, R36, R35, R34, R33, R32, R31, R30, R29, R28, R27, R26, R25, R24, R23, the other end of R16 connects respectively the dipped headlights on the display panel, high beam, fog lamp, backup lamp, the brake system warning lamp, the right turn lamp, the left steering lamp, the anti-lock braking system warning lamp, the engine oil pressure pilot lamp, charging indicator light, the driver safety warning lamp, the water temperature over-high alarm lamp, car door warning light, voltage table, tachometer gage, the fuel liquid level table, water-thermometer, the other end of resistance R 39 is received 1 pin of gear indiction switch S1,2 pin of gear indiction switch S1,3 pin, 4 pin, 5 pin, 6 pin, 7 pin are received on the gear pilot lamp, the speedometer of the received impulse signal display panel of sensor L in the variator; Gating chip U1, U2, U3 model are 4051, and amplifier U4 model is that 358, A/D conversion chip U5 model is 7135, and single-chip microcomputer U8 model is 89C52, and arithmetical unit U6 model is 14040.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110397840 CN102368382B (en) | 2011-12-05 | 2011-12-05 | Vehicular LCD (Liquid Crystal Display) imitation screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110397840 CN102368382B (en) | 2011-12-05 | 2011-12-05 | Vehicular LCD (Liquid Crystal Display) imitation screen |
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| Publication Number | Publication Date |
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| CN102368382A CN102368382A (en) | 2012-03-07 |
| CN102368382B true CN102368382B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110397840 Expired - Fee Related CN102368382B (en) | 2011-12-05 | 2011-12-05 | Vehicular LCD (Liquid Crystal Display) imitation screen |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163099Y (en) * | 1993-04-26 | 1994-04-27 | 吴霞 | Automobile security integrate monitoring device |
| CN2659728Y (en) * | 2003-08-06 | 2004-12-01 | 上海本安仪表系统有限公司 | Automobile running recording instrument with CAN network |
| CN200988431Y (en) * | 2006-12-27 | 2007-12-12 | 浙江吉利汽车研究院有限公司 | Digital automobile instrument with CAN assembly interface |
| CN202352304U (en) * | 2011-12-05 | 2012-07-25 | 天津市津天温度仪表科技有限公司 | Automobile LCD analog screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH095705A (en) * | 1995-06-22 | 1997-01-10 | Casio Comput Co Ltd | Back light driving method and inverter circuit in liquid crystal display device |
-
2011
- 2011-12-05 CN CN 201110397840 patent/CN102368382B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163099Y (en) * | 1993-04-26 | 1994-04-27 | 吴霞 | Automobile security integrate monitoring device |
| CN2659728Y (en) * | 2003-08-06 | 2004-12-01 | 上海本安仪表系统有限公司 | Automobile running recording instrument with CAN network |
| CN200988431Y (en) * | 2006-12-27 | 2007-12-12 | 浙江吉利汽车研究院有限公司 | Digital automobile instrument with CAN assembly interface |
| CN202352304U (en) * | 2011-12-05 | 2012-07-25 | 天津市津天温度仪表科技有限公司 | Automobile LCD analog screen |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-5705A 1997.01.10 |
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