CN203015093U - Vehicle-mounted multimedia mute circuit - Google Patents
Vehicle-mounted multimedia mute circuit Download PDFInfo
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- CN203015093U CN203015093U CN 201220727223 CN201220727223U CN203015093U CN 203015093 U CN203015093 U CN 203015093U CN 201220727223 CN201220727223 CN 201220727223 CN 201220727223 U CN201220727223 U CN 201220727223U CN 203015093 U CN203015093 U CN 203015093U
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- 238000000034 method Methods 0.000 abstract description 11
- 230000001681 protective effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 34
- 238000007600 charging Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model discloses a vehicle-mounted multimedia mute circuit, which comprises a mute control protective unit, a reset mute control unit and an audio frequency mute unit. The reset mute control unit and the audio frequency mute unit are connected with the mute control protective unit respectively. According to the vehicle-mounted multimedia mute circuit, with the mute control protective unit, a startup and shutdown mute function is realized, and a battery of an automobile is prevented from being burned out by heavy current in discharge of a shutdown mute process; with the reset mute control unit and mute control protective unit, a reset mute function is realized, and a defect in the prior art that mute control in resetting is overcome; and with the audio frequency mute unit, muting can be realized in a process of using vehicle-mounted multimedia, mute control on audio frequencies is more flexible, and experience effects of a user are guaranteed.
Description
Technical field
The utility model relates to electronic circuit technology field, particularly a kind of mute circuit of vehicle mounted multimedia.
Background technology
Mute circuit is as an important component part of electronic product, can eliminate " POP " sound that overshoot voltage produces in the switching on and shutting down of television set, vehicle mounted multimedia etc., the process that resets; Particularly in when shutdown, due to the change of supply voltage, transient impact makes " POP " sound that audio processing module or power amplifier send can make user's experience sense variation, and the quality of equipment is affected.Mute circuit being very important in consumption electronic product for this reason.
The mute circuit of existing vehicle mounted multimedia has various ways, example more typical mute circuit as shown in Figure 1 adopts a plurality of triodes to be combined into mute circuit for open and close, coordinate again MCU(Micro Control Unit, micro-control unit) the IO mouth control power amplifier.As shown in Figure 1, the IO mouth (not shown) that the base stage of triode Qx is connected MCU, the base stage of the collector electrode connecting triode Qy of triode Qx, grounded emitter, the base stage of the collector electrode connecting triode Qz of triode Qy, the collector electrode of the emitter of triode Qy, triode Qz connects respectively power supply VCC, and the emitter of triode Qz connects the MUTE pin of power amplifier (not shown).Conducting and the cut-off of the height voltage control triode Qx of the MUTE_FEAR signal of the IO mouth output by MCU, and then conducting and the cut-off of control triode Qy and triode Qz, make the AMP_MUTE signal of the emitter output of triode Qz be dragged down or draw high, the MUTE pin that inputs to power amplifier realizes that switching on and shutting down are quiet.
But, the quiet control when these mute circuits all do not reset, and the large electric current that produces can not controlled discharge time the damage that the battery of automobile is caused.
The utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of mute circuit of vehicle mounted multimedia, can also protect the battery of automobile not burnt by large electric current when realizing the switching on and shutting down mute function by quiet control protected location; Make up prior art the ignoring of quiet control when resetting by the quiet control unit that resets.
In order to achieve the above object, the utility model has been taked following technical scheme:
A kind of mute circuit of vehicle mounted multimedia, it comprises:
Be used for realizing turn-on muting, the quiet quiet control protected location of shutdown;
Be used for the quiet control unit that resets quiet when resetting;
Be used for the audio mute unit to the audio mute of output;
The described quiet control unit that resets, audio mute unit connects respectively quiet control protected location.
The mute circuit of described vehicle mounted multimedia, wherein, described quiet control protected location comprises the first diode, the second diode, the first resistance, the second electric capacity, voltage stabilizing didoe, switching circuit and delay circuit; The positive pole of described the first diode connects the positive pole of battery and the positive pole of voltage stabilizing didoe; The negative pole of the first diode divides three the tunnel, and the first via connects the positive pole of the second electric capacity, the minus earth of the second electric capacity, and the first end of the second road connecting valve circuit, Third Road is by the second end of the first resistance connecting valve circuit and the 4th end of delay circuit; The 3rd end of described switching circuit connects quiet control end; The five terminal of described delay circuit connects positive pole and the audio mute unit of the second diode, the six end connecting of the delay circuit quiet control unit that resets; The negative pole of described the second diode connects the negative pole of voltage stabilizing didoe.
The mute circuit of described vehicle mounted multimedia, wherein, described switching circuit comprises the first triode and the second triode, the emitter of described the first triode connects the negative pole of the first diode; The base stage of the first triode connects the 4th end of delay circuit, also connects the negative pole of the first diode by the first resistance; The collector electrode of described the first triode connects the base stage of the second triode; The collector electrode of described the second triode connects quiet control end, the grounded emitter of the second triode.
The mute circuit of described vehicle mounted multimedia, wherein, described delay circuit comprises the second resistance and the first electric capacity, an end of described the second resistance and the first resistance be connected the connected node of base stage of triode and be connected, the other end of the second resistance connects the positive pole of the second diode; The positive pole of described the first electric capacity is connected between the connected node of the second resistance and the second diode and the second resistance, also be connected the quiet control unit that resets; The minus earth of the first electric capacity.
The mute circuit of described vehicle mounted multimedia, wherein, the described quiet control unit that resets comprises the 3rd diode, and the positive pole of described the 3rd diode is connected between the connected node of the positive pole of the first electric capacity and the second resistance and the first electric capacity, and the negative pole of the 3rd diode connects reset terminal.
The mute circuit of described vehicle mounted multimedia, wherein, described audio mute unit comprises the 3rd resistance, the 4th resistance and the 3rd triode; The base stage of described the 3rd triode is connected with the IO mouth of MCU by the 3rd resistance, and an end of the 4th resistance is connected with the connected node of the 3rd triode with the 3rd resistance, the other end ground connection of the 4th resistance; The collector electrode of the 3rd triode connects the connected node of the second diode and the second resistance; The grounded emitter of the 3rd triode.
The mute circuit of described vehicle mounted multimedia, wherein, the resistance of described the first resistance is 47K, the appearance value of the second electric capacity is 220uF.
The mute circuit of described vehicle mounted multimedia, wherein, described the first triode is the PNP triode, the second triode is the NPN triode.
The mute circuit of described vehicle mounted multimedia, wherein, the resistance of described the second resistance is 1K, the appearance value of the first electric capacity is 4.7uF.
The mute circuit of described vehicle mounted multimedia, wherein, described the 3rd triode is the NPN triode.
The mute circuit of described vehicle mounted multimedia, wherein, described switching circuit also comprises the 5th resistance, and an end of described the 5th resistance connects the collector electrode of the first triode, and the other end of the 5th resistance connects the base stage of the second triode.
Compared to prior art, the mute circuit of the vehicle mounted multimedia that the utility model provides is being realized the switching on and shutting down mute function by quiet control protected location, and the battery of when discharge protection automobile is not burnt by large electric current in the quiet process of shutdown; Realize resetting quiet function by quiet control unit and the quiet control protection that resets is single, make up the deficiency of prior art quiet control when resetting; Also can be quiet in the vehicle mounted multimedia use procedure by the audio mute unit, make the quiet control of audio frequency more flexibly, guarantee user's experience effect.
Description of drawings
Fig. 1 is the electrical block diagram of mute circuit one exemplary embodiments of prior art vehicle mounted multimedia.
Fig. 2 is the electrical block diagram of the mute circuit preferred embodiment of the utility model vehicle mounted multimedia.
Embodiment
The utility model provides a kind of mute circuit of vehicle mounted multimedia, and is clearer, clear and definite for making the purpose of this utility model, technical scheme and effect, referring to the accompanying drawing embodiment that develops simultaneously, the utility model further described.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The mute circuit of the vehicle mounted multimedia that the utility model provides can be realized that switching on and shutting down are quiet, it is quiet to reset and in the vehicle mounted multimedia use procedure, the audio frequency of exporting be carried out quiet function.This mute circuit and MCU(Micro Control Unit in the specific implementation, micro-control unit), the connection work such as battery of power amplifier, automobile, battery based on MCU, power amplifier, automobile is prior art, when setting forth below the circuit structure of mute circuit of the vehicle mounted multimedia that the utility model provides and operation principle, the related port that can quote the battery of MCU, power amplifier, automobile describes.
See also Fig. 2, Fig. 2 is the electrical block diagram of the mute circuit of the utility model vehicle mounted multimedia, and the mute circuit of the vehicle mounted multimedia that the utility model provides comprises quiet control protected location 10, the quiet control unit 20 that resets, audio mute unit 30.The described quiet control unit 20 that resets, audio mute unit 30 connects respectively quiet control protected location 10.
Wherein, described quiet control protected location 10 is used for realizing that turn-on muting, shutdown are quiet, and the battery of protection automobile is not discharged electric current and burns in the quiet process of shutdown, and it comprises the first diode D1, the second diode D2, the first resistance R 1, the second capacitor C 2, voltage stabilizing didoe ZD1, switching circuit 110 and delay circuit 120; The positive pole of described the first diode D1 connects the anodal B+ of battery and the positive pole of voltage stabilizing didoe ZD1; The negative pole of the first diode D1 divides three the tunnel, the first via connects the positive pole of the second capacitor C 2, the minus earth of the second capacitor C 2, the first end 1 of the second road connecting valve circuit 110, Third Road is by the second end 2 of the first resistance R 1 connecting valve circuit 110 and the 4th end 4 of delay circuit 120; The 3rd end 3 of described switching circuit 110 connects quiet control end AUDIO; The five terminal 5 of described delay circuit 120 connects the positive pole of the second diode D2; The negative pole of described the second diode D2 connects the negative pole of voltage stabilizing didoe ZD1.Described audio mute unit 30 connects the five terminal 5 of delay circuit 120, and the described quiet control unit 20 that resets connects the 6th end 6 of delay circuit 120.
Described switching circuit 110 comprises the first triode Q1 and the second triode Q2, and the emitter of described the first triode Q1 is the first end 1 of switching circuit 110, connects the negative pole of the first diode D1; The base stage of the first triode Q1 is the second end 2 of switching circuit 110, connects the 4th end 4 of delay circuit 120, also connects the negative pole of the first diode D1 by the first resistance R 1; The collector electrode of described the first triode Q1 connects the base stage of the second triode Q2; The collector electrode of described the second triode Q2 is the 3rd end 3 of switching circuit 110, connects quiet control end AUDIO, the grounded emitter of the second triode Q2.
Described delay circuit 120 comprises the second resistance R 2 and the first capacitor C 1, one end of described the second resistance R 2 is the 4th end 4 of delay circuit 120, with the first resistance R 1 be connected the connected node of base stage of triode Q1 and be connected, the other end of the second resistance R 2 is the five terminal 5 of delay circuit 120, connects the positive pole of the second diode D2; The positive pole of described the first capacitor C 1 is connected between the connected node of the second resistance R 2 and the second diode D2 and the second resistance R 2, the minus earth of the first capacitor C 1.The 6th end 6 of delay circuit 120 is connected between the connected node of the first capacitor C 1 positive pole and the second resistance R 2 and the first capacitor C 1 positive pole.The described quiet control unit 20 that resets is connected to the positive pole of the first capacitor C 1 and the connected node of the second resistance R 2 and the first capacitor C 1 positive pole.
In the specific implementation, the resistance that described the first resistance R 1 is set is 47K, and the resistance of the second resistance R 2 is 1K; The appearance value of the first capacitor C 1 is 4.7uF, and the appearance value of the second capacitor C 2 is 220uF; The first triode Q1 is the PNP triode, and the second triode Q2 is the NPN triode.During start, the first capacitor C 1 is equivalent to short circuit (being determined by capacitance characteristic) at booting moment.In quiet control protected location 10 electric current of the anodal B+ of battery output through the first diode D1 after minute three tunnel outputs: the first via is to the second capacitor C 2 chargings; The second the tunnel flow through successively the first resistance R 1, the second resistance R 2 after, to the first capacitor C 1 charging; Third Road to the first triode Q1 base stage, and then flows to the first capacitor C 1 through the second resistance R 2 through the emitter of the first triode Q1, to the first capacitor C 1 charging.Because the resistance of the first resistance R 1 is larger, be 47K, the electric current that flows through from the first resistance R 1 is very little, can ignore; And the resistance of the second resistance R 2 is less, is 1K, and the electric current that flows through on this second resistance R 2 is larger.Therefore, the electric current that flows through on the second tunnel is very little, and the electric current that flows into the first capacitor C 1 is mainly derived from Third Road.When booting moment is switched on, the delay time of circuit is mainly determined by the delay circuit 120 that the second resistance R 2 and the first capacitor C 1 form.The electric current of start, the anodal B+ output of battery when namely powering on can drag down the first triode Q1 when the first capacitor C 1 is charged base voltage makes its conducting, make the collector electrode output high level of the first triode Q1 control the second triode Q2 conducting, the audio frequency of the upper output of quiet control end AUDIO is pulled down to ground, so namely realizes turn-on muting.After the first capacitor C 1 is full of electricity, the first triode Q1 because raising, is ended base voltage, and the second not conducting of triode Q2 is equivalent to open circuit, and this moment, audio frequency was normally exported.
The moment of shutdown is fallen the tele-release on the first capacitor C 1 could realize first that shutdown is quiet.In the specific implementation, connected the load resistance (not shown) on the anodal B+ of battery, simultaneously the power supply of battery also has internal resistance, therefore the electric current on the first capacitor C 1 successively by the second diode D2, voltage stabilizing didoe ZD1, load resistance to be let go.Because the first capacitor C 1 appearance value is less, therefore can realize repid discharge, the load resistance on power supply is less, and the velocity of discharge is faster.Due to the appearance value of the second capacitor C 2 be 220uF much larger than the 4.7uF of the first capacitor C 1, the energy storage of the second capacitor C 2 is equivalent to postboost power supply.Therefore in the discharge process of the first capacitor C 1, electric current on the second capacitor C 2 arrives ground by emitter, the base stage of the first triode Q1, the second resistance R 2, the second diode D2, voltage stabilizing didoe ZD1, the load internal resistance of the first triode Q1 successively, the base stage of the first triode Q1 is that low level makes its conducting, the collector electrode output high level of the first triode Q1 is controlled the second triode Q2 conducting, and then the audio frequency of the upper output of quiet control end AUDIO is pulled down to ground, so just realized that shutdown is quiet.When the first capacitor C 1, the second capacitor C 2 discharge off in succession, the first triode Q1, the second triode Q2 recover cut-off state, and when starting shooting next time, described mute circuit just can work like this.To its protective effect of battery, the large electric current of uprushing in the time of can avoiding discharging or the switching of other electronic devices are the damages that the electric current of uprushing of generation causes battery to voltage stabilizing didoe ZD1 wherein when the first capacitor C 1 discharge.
In order to protect the second triode Q2, correspondingly switching circuit 110 also comprises the 5th resistance R 5, and an end of described the 5th resistance R 5 connects the collector electrode of the first triode Q3, and the other end of the 5th resistance R 5 connects the base stage of the second triode Q2.
Mute function in order to realize resetting, the utility model relative set the quiet control unit 20 that resets, it comprises the 3rd diode D3, the positive pole of described the 3rd diode D3 connects the 6th end 6 of described delay circuit 120, namely between the connected node of the positive pole of the first capacitor C 1 and the second resistance R 2 and the first capacitor C 1, the negative pole connection reset terminal RESET of the 3rd diode D3.Reset terminal RESET is namely the reset signal output of reset circuit, and the reset signal Low level effective is set in the specific implementation.When the vehicle mounted multimedia internal circuit resets, the 3rd diode D3 positively biased conducting, make the base stage of the first triode Q1 conducting output high level to the second triode Q2, the second triode Q2 conducting and drag down the audio frequency of output quiet control end AUDIO on, quiet thereby realization resets.When the vehicle mounted multimedia internal circuit worked, the negative pole of the 3rd diode D3 kept high level to make its anti-cut-off partially, does not affect the output of audio frequency.
For can be optionally in the vehicle mounted multimedia use procedure to the audio mute of output, the utility model arranges audio mute unit 30, it comprises the 3rd resistance R 3, the 4th resistance R 4 and the 3rd triode Q3; Described the 3rd triode Q3 is the NPN triode.The base stage of described the 3rd triode Q3 is connected with the IO mouth of MCU by the 3rd resistance R 3, and an end of the 4th resistance R 4 is connected with the connected node of the 3rd triode Q3 and the 3rd resistance R 3, the other end ground connection of the 4th resistance; The collector electrode of the 3rd triode Q3 connects the connected node of the second diode D2 and delay circuit 120 five terminals 5, the i.e. connected node of the second diode D2 and the second resistance R 2; The grounded emitter of the 3rd triode Q3.In the specific implementation, the IO mouth of MCU also accesses the MUTE pin of power amplifier.If need in the vehicle mounted multimedia playing process when quiet, the MCU_MUTE signal of exporting high level by the IO mouth of MCU makes the 3rd triode Q3 conducting, the base voltage of the first triode Q1 is dragged down, make the first triode Q1 conducting, and then make the second diode Q2 conducting drag down audio frequency, realize the audio mute in the vehicle mounted multimedia use procedure.The audio mute control mode that arranges like this and power amplifier combination make the user can selectively control the output state of audio frequency, have increased experience effect.
The mute circuit that it should be noted that the vehicle mounted multimedia that the utility model provides is applicable to the quiet of other consumption electronic products too.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the utility model.
Claims (11)
1. the mute circuit of a vehicle mounted multimedia, is characterized in that, comprising:
Be used for realizing turn-on muting, the quiet quiet control protected location of shutdown;
Be used for the quiet control unit that resets quiet when resetting;
Be used for the audio mute unit to the audio mute of output;
The described quiet control unit that resets, audio mute unit connects respectively quiet control protected location.
2. the mute circuit of vehicle mounted multimedia according to claim 1, is characterized in that, described quiet control protected location comprises the first diode, the second diode, the first resistance, the second electric capacity, voltage stabilizing didoe, switching circuit and delay circuit; The positive pole of described the first diode connects the positive pole of battery and the positive pole of voltage stabilizing didoe; The negative pole of the first diode divides three the tunnel, and the first via connects the positive pole of the second electric capacity, the minus earth of the second electric capacity, and the first end of the second road connecting valve circuit, Third Road is by the second end of the first resistance connecting valve circuit and the 4th end of delay circuit; The 3rd end of described switching circuit connects quiet control end; The five terminal of described delay circuit connects positive pole and the audio mute unit of the second diode, the six end connecting of the delay circuit quiet control unit that resets; The negative pole of described the second diode connects the negative pole of voltage stabilizing didoe.
3. the mute circuit of vehicle mounted multimedia according to claim 2, is characterized in that, described switching circuit comprises the first triode and the second triode, and the emitter of described the first triode connects the negative pole of the first diode; The base stage of the first triode connects the 4th end of delay circuit, also connects the negative pole of the first diode by the first resistance; The collector electrode of described the first triode connects the base stage of the second triode; The collector electrode of described the second triode connects quiet control end, the grounded emitter of the second triode.
4. the mute circuit of vehicle mounted multimedia according to claim 3, it is characterized in that, described delay circuit comprises the second resistance and the first electric capacity, one end of described the second resistance and the first resistance be connected the connected node of base stage of triode and be connected, the other end of the second resistance connects the positive pole of the second diode; The positive pole of described the first electric capacity is connected between the connected node of the second resistance and the second diode and the second resistance, also be connected the quiet control unit that resets; The minus earth of the first electric capacity.
5. the mute circuit of vehicle mounted multimedia according to claim 4, it is characterized in that, the described quiet control unit that resets comprises the 3rd diode, the positive pole of described the 3rd diode is connected between the connected node of the positive pole of the first electric capacity and the second resistance and the first electric capacity, and the negative pole of the 3rd diode connects reset terminal.
6. the mute circuit of vehicle mounted multimedia according to claim 4, is characterized in that, described audio mute unit comprises the 3rd resistance, the 4th resistance and the 3rd triode; The base stage of described the 3rd triode is connected with the IO mouth of MCU by the 3rd resistance, and an end of the 4th resistance is connected with the connected node of the 3rd triode with the 3rd resistance, the other end ground connection of the 4th resistance; The collector electrode of the 3rd triode connects the connected node of the second diode and the second resistance; The grounded emitter of the 3rd triode.
7. the mute circuit of vehicle mounted multimedia according to claim 2, is characterized in that, the resistance of described the first resistance is 47K, and the appearance value of the second electric capacity is 220uF.
8. the mute circuit of vehicle mounted multimedia according to claim 3, is characterized in that, described the first triode is the PNP triode, and the second triode is the NPN triode.
9. the mute circuit of vehicle mounted multimedia according to claim 4, is characterized in that, the resistance of described the second resistance is 1K, and the appearance value of the first electric capacity is 4.7uF.
10. the mute circuit of vehicle mounted multimedia according to claim 6, is characterized in that, described the 3rd triode is the NPN triode.
11. the mute circuit of vehicle mounted multimedia according to claim 3, it is characterized in that, described switching circuit also comprises the 5th resistance, and an end of described the 5th resistance connects the collector electrode of the first triode, and the other end of the 5th resistance connects the base stage of the second triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727223 CN203015093U (en) | 2012-12-26 | 2012-12-26 | Vehicle-mounted multimedia mute circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727223 CN203015093U (en) | 2012-12-26 | 2012-12-26 | Vehicle-mounted multimedia mute circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203015093U true CN203015093U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220727223 Expired - Lifetime CN203015093U (en) | 2012-12-26 | 2012-12-26 | Vehicle-mounted multimedia mute circuit |
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| Country | Link |
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| CN (1) | CN203015093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196934A (en) * | 2015-10-21 | 2015-12-30 | 重庆金宏汽车电子有限公司 | Muting circuit of navigation equipment |
| CN105487442A (en) * | 2015-12-09 | 2016-04-13 | 江苏天安智联科技股份有限公司 | Reset switch mute function synchronous control circuit |
-
2012
- 2012-12-26 CN CN 201220727223 patent/CN203015093U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196934A (en) * | 2015-10-21 | 2015-12-30 | 重庆金宏汽车电子有限公司 | Muting circuit of navigation equipment |
| CN105196934B (en) * | 2015-10-21 | 2017-09-29 | 重庆金宏汽车电子有限公司 | The mute circuit of navigation equipment |
| CN105487442A (en) * | 2015-12-09 | 2016-04-13 | 江苏天安智联科技股份有限公司 | Reset switch mute function synchronous control circuit |
| CN105487442B (en) * | 2015-12-09 | 2018-07-13 | 江苏天安智联科技股份有限公司 | The circuit of reset switch synchronous control mute function |
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Owner name: TCL CARTEL AUTOMOTIVE INFORMATION SERVICES (SHENZH Free format text: FORMER OWNER: TCL GROUP CO., LTD. Effective date: 20131115 |
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Free format text: CORRECT: ADDRESS; FROM: 516001 HUIZHOU, GUANGDONG PROVINCE TO: 518052 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20131115 Address after: 518052 Guangdong city of Shenzhen province Nanshan District Hing Road two No. 6 Wuhan University B815 Shenzhen research building (real Qianhai settled in Shenzhen City, Secretary of Commerce Co. Ltd.) Patentee after: TCL CARTEL (SHENZHEN) Co.,Ltd. Address before: 516001 Guangdong City, Huizhou Province, South Road, No. 6 TCL Arts crafts emporium, technology center, Patentee before: TCL Corp. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 518052 Guangdong city of Shenzhen province Nanshan District Hing Road two No. 6 Wuhan University B815 Shenzhen research building (real Qianhai settled in Shenzhen City, Secretary of Commerce Co. Ltd.) Patentee after: FUERDA IOV (SHENZHEN) CO.,LTD. Address before: 518052 Guangdong city of Shenzhen province Nanshan District Hing Road two No. 6 Wuhan University B815 Shenzhen research building (real Qianhai settled in Shenzhen City, Secretary of Commerce Co. Ltd.) Patentee before: TCL CARTEL (SHENZHEN) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 518052 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Patentee after: FUERDA IOV (SHENZHEN) CO.,LTD. Address before: 518052 Guangdong city of Shenzhen province Nanshan District Hing Road two No. 6 Wuhan University B815 Shenzhen research building (real Qianhai settled in Shenzhen City, Secretary of Commerce Co. Ltd.) Patentee before: FUERDA IOV (SHENZHEN) CO.,LTD. |
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Address after: No.23, 136 Yuhai East Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee after: Fu Zhi Yi Internet of vehicles (Ningbo) Co.,Ltd. Address before: 518052 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: FUERDA IOV (SHENZHEN) Co.,Ltd. |
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Granted publication date: 20130619 |