CN102355535A - Portable electronic equipment and start-up control circuit - Google Patents
Portable electronic equipment and start-up control circuit Download PDFInfo
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- CN102355535A CN102355535A CN2011101902292A CN201110190229A CN102355535A CN 102355535 A CN102355535 A CN 102355535A CN 2011101902292 A CN2011101902292 A CN 2011101902292A CN 201110190229 A CN201110190229 A CN 201110190229A CN 102355535 A CN102355535 A CN 102355535A
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Abstract
The invention provides portable electronic equipment and a start-up control circuit. The portable electronic equipment comprises the start-up control circuit. The start-up control circuit comprises a battery module, a voltage detection module, a start-up control module and a start-up circuit module, wherein the battery module is used for providing a voltage; the voltage detection module is connected with the battery module and is used for detecting a voltage value of the battery module, comparing the detected voltage value with a preset voltage value and outputting a detection signal according to a comparison result; the start-up control module is connected with the voltage detection module and is used for receiving the detection signal sent by the voltage detection module and sending a start-up control signal according to the detection signal; and the start-up circuit module is connected with the start-up control module and is used for receiving the start-up control signal sent by the start-up control module and controlling a circuitry to carry out start-up or shutdown according to the start-up control signal. The portable electronic equipment provided by the invention has the advantage that the portable electronic equipment can be subjected to start-up control according to the size of the voltage of the battery module of the portable electronic equipment, so that the portable electronic equipment has low battery consumption and long service life.
Description
Technical field
The present invention relates to a kind of mancarried electronic aid, particularly a kind of mancarried electronic aid and start control circuit.
Background technology
Present mancarried electronic aid such as mobile phone, MP3, PDA, notebook computer and digital camera etc. realize portable use through battery module is installed, and what have great convenience for the user portably uses.
With the mobile phone is example, sees also Fig. 1, and Fig. 1 is the start control circuit of mobile phone in the prior art.In the present mobile phone, be connected with circuitry 300, realize of start or the shutdown of start control circuit circuitry 300 through start control circuit as shown in Figure 1 is set.Said start control circuit comprises shift knob 100 and resistance 200; Said shift knob 100 comprises first conduction terminal 101, second conduction terminal 103 and is used to control the touch-control end 105 of first conduction terminal and second conduction terminal conducting/disconnection; Said first conduction terminal, 101 ground connection; Second conduction terminal 103 is connected with reference voltage VREG through resistance 200, and second conduction terminal 103 is connected with the starting-up signal receiving terminal 301 of circuitry 300.The starting-up signal receiving terminal 301 of circuitry 300 is circuitry 300 starts when receiving low level signal.When the user need start shooting operation to mobile phone; Through pushing touch-control end 105, make first conduction terminal 101 and 103 conductings of second conduction terminal of shift knob 100, at this moment; Starting-up signal receiving terminal 301 ground connection of circuitry 300, circuitry 300 receive the low level signal start.
In the prior art, mobile phone can be accomplished the software shutdown process usually about 3.4V, and simultaneously, when no charger charged, the software of mobile phone can not respond user's request of starting shooting.Yet the minimum 2.8V that reaches of the hardware circuit operating voltage of mobile phone, promptly operating voltage is between 2.8V to 3.4V, and for user's start request, the hardware circuit of mobile phone still can be started working, and starts handset processes device operation cell phone software.Yet, be lower than the operation of the start request meeting starting hand-set processor under the normal boot-strap voltage condition and the operation of cell phone software this, thereby accelerated battery of mobile phone module consumption of electric and caused the minimizing in the useful life of mobile phone hardware.
Therefore, how designing the mancarried electronic aid that a kind ofly can slow down mancarried electronic aid battery module electric quantity consumption, prolong mancarried electronic aid useful life is that industry is badly in need of the problem that solves.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of can control start according to the height of battery module voltage, thus the portable electric appts that slows down battery consumption, increases the service life.。
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of mancarried electronic aid is provided, and said mancarried electronic aid comprises the start control circuit, and said start control circuit comprises: the battery module that is used to provide voltage; Be connected with said battery module and be used to detect the magnitude of voltage of said battery module, with said magnitude of voltage and the predeterminated voltage value compares and according to the voltage detection module of comparative result output detection signal; Be connected with said voltage detection module and be used to receive detection signal that said voltage detection module sends and send the start control module of start control signal according to said detection signal; And be connected with said start control module and be used to receive start control signal that said start control module sends and the boot-strap circuit module of starting shooting or shutting down according to said start control signal control circuitry.
Wherein, Said voltage detection module comprises the voltage checking chip and first resistance; Said voltage checking chip comprises voltage receiving terminal, Enable Pin, detection signal output and ground, and said voltage receiving terminal is connected with the power voltage supply end of battery module, and said Enable Pin is connected with battery module power voltage supply end through first resistance; Said detection signal output is connected earth terminal ground connection with the start control module.
Wherein, Said start control module comprises switch triode, second resistance and the 3rd resistance; Said switch triode comprises first end, second end and controls first end and the 3rd end of the second end conducting or disconnection, the said first end ground connection, and said second end is connected with the boot-strap circuit module; The 3rd end is connected with the detection signal output, and said the 3rd end is that positive battery adjustment voltage is connected through the 3rd resistance and voltage to earth.
Wherein, said switch triode is a NPN type triode, and first end is an emitter, and second end is a collector electrode, and the 3rd end is a substrate.
Wherein, Said boot-strap circuit module comprises shift knob and the 4th resistance; Said shift knob comprises first conduction terminal, second conduction terminal and is used to control conducting between said first conduction terminal and second conduction terminal or the touch-control end of disconnection; First conduction terminal is connected with second end, and second conduction terminal is connected with the starting-up signal input of circuitry, and second conduction terminal is that positive battery adjustment voltage is connected through the 4th resistance and voltage to earth.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: a kind of start control circuit is provided, and said start control circuit comprises:
Be used to detect the magnitude of voltage of battery module, with said magnitude of voltage and the predeterminated voltage value compares and according to the voltage detection module of comparative result output detection signal;
Be connected with said voltage detection module and be used to receive detection signal that said voltage detection module sends and send the start control module of start control signal according to said detection signal; And
Be connected with said start control module and be used to receive start control signal that said start control module sends and the boot-strap circuit module of starting shooting or shutting down according to said start control signal control circuitry.
Wherein, Said voltage detection module comprises the voltage checking chip and first resistance; Said voltage checking chip comprises voltage receiving terminal, Enable Pin, detection signal output and ground, and said voltage receiving terminal is connected with the power voltage supply end of battery module, and said Enable Pin is connected with battery module power voltage supply end through first resistance; Said detection signal output is connected earth terminal ground connection with the start control module.
Wherein, Said start control module comprises switch triode, second resistance and the 3rd resistance; Said switch triode comprises first end, second end and controls first end and the 3rd end of the second end conducting or disconnection, the said first end ground connection, and said second end is connected with the boot-strap circuit module; The 3rd end is connected with the detection signal output, and said the 3rd end is that positive battery adjustment voltage is connected through the 3rd resistance and voltage to earth.
Wherein, said switch triode is a NPN type triode, and first end is an emitter, and second end is a collector electrode, and the 3rd end is a substrate.
Wherein, Said boot-strap circuit module comprises shift knob and the 4th resistance; Said shift knob comprises first conduction terminal, second conduction terminal and is used to control conducting between said first conduction terminal and second conduction terminal or the touch-control end of disconnection; First conduction terminal is connected with second end, and second conduction terminal is connected with the starting-up signal input of circuitry, and second conduction terminal is that positive battery adjustment voltage is connected through the 4th resistance and voltage to earth.
Compared to prior art; In the start control circuit of the mancarried electronic aid of present embodiment; Through voltage detection module and start control module are set; Voltage detection module is connected the voltage that is used to detect said battery module with detected magnitude of voltage and the predeterminated voltage value compares and according to the comparative result output detection signal with battery module; The start control module is sent start according to said detection signal and is controlled signal to the boot-strap circuit module, and the boot-strap circuit module is started shooting or shut down according to said start control signal control circuitry.In this way; When the voltage of mancarried electronic aid battery module is lower than software and shuts down voltage normally; Can not be activated start shooting when operation mobile phone of mancarried electronic aid, thereby avoid the further consumption of mancarried electronic aid battery module and the loss in mancarried electronic aid hardware useful life.
Therefore, the mancarried electronic aid of present embodiment have that battery consumption is slow, long service life and advantage easy to use.
Description of drawings
Fig. 1 is the mancarried electronic aid start control circuit sketch map of prior art;
Fig. 2 is the start control circuit block diagram of mancarried electronic aid first embodiment of the present invention;
Fig. 3 is the start control circuit sketch map of mancarried electronic aid second embodiment of the present invention.
Embodiment
The present invention will be described below in conjunction with accompanying drawing.
See also Fig. 2, Fig. 2 is the start control circuit block diagram of mancarried electronic aid first embodiment of the present invention.
The mancarried electronic aid of present embodiment comprises start control circuit and circuitry, and the start control circuit comprises battery module 11, voltage detection module 13, start control module 15 and the boot-strap circuit module 17 that connects successively.
Compared to prior art; In the start control circuit of the mancarried electronic aid of present embodiment; Through voltage detection module 13 and start control module 15 are set; Voltage detection module 13 is connected the voltage that is used to detect battery module 11 with detected magnitude of voltage and the predeterminated voltage value compares and according to the comparative result output detection signal with battery module 11; Start control module 15 is sent start according to said detection signal and is controlled signal to boot-strap circuit module 17, and boot-strap circuit module 17 is started shooting or shut down according to said start control signal control circuitry.In this way; When the voltage of mancarried electronic aid battery module is lower than software and shuts down voltage normally; Can not be activated start shooting when operation mancarried electronic aid of mancarried electronic aid, thereby avoid the further consumption of mancarried electronic aid battery module and the quick loss in mancarried electronic aid hardware useful life.
Therefore, the mancarried electronic aid of present embodiment has that battery consumption is slow, the advantage of long service life.
See also Fig. 3, Fig. 3 is the start control circuit sketch map of mancarried electronic aid second embodiment of the present invention.
The same battery module 21, voltage detection module 23, start control module 25 and the boot-strap circuit module 27 of comprising of the ON-OFF control circuit of the ON-OFF control circuit of present embodiment mancarried electronic aid and the first embodiment mancarried electronic aid.
Particularly; Voltage detection module 23 comprises voltage checking chip 231; Voltage checking chip 231 comprises voltage receiving terminal VCC, detection signal output RST, Enable Pin EN and earth terminal GND; Voltage receiving terminal VCC is connected with the power voltage supply end 211 of battery module 21 and is used to receive the voltage signal of battery module 21 and the voltage signal that receives is detected, and detection signal output RST is connected earth terminal GND ground connection with start control module 25.
Enable Pin EN is connected with the power voltage supply end 211 of battery module 21 through first resistance 233 makes Enable Pin EN receive the voltage signal of high level; Here the Enable Pin EN of voltage checking chip 231 is effective when high level; Promptly; Only when receiving high level, voltage checking chip 231 just can detect the voltage signal that voltage receiving terminal VCC receives Enable Pin EN.Here because the voltage signal of battery module 21 power voltage supply ends 211 outputs is a high level signal, and therefore, what Enable Pin EN received is the voltage signal of high level, that is, voltage checking chip 231 voltage detecting functions are opened.
It is the chip of RT9809-32XX that voltage checking chip 231 can be selected model for use, and RT9809-32XX can only be used for the voltage signal that receives of voltage receiving terminal VCC and the fixed value of 3.2V are compared.Certainly; Compare when judging at the voltage signal of selecting for use RT9809-32xx that voltage receiving terminal VCC is received and a scheduled voltage; Can boost through the voltage signal that a transforming circuit detects need or step-down; Boost or the amplitude of step-down equals the difference of this scheduled voltage and 3.2V, will boost then or step-down after magnitude of voltage and 3.2V compare.
It is the chip of TPS3806I33xxx that voltage checking chip 231 can also be selected model for use; The comparing voltage value of TPS3806I33xx can be adjusted; In the time of need detecting the voltage signal of voltage checking chip 231 receiving terminals, the comparing voltage value of this chip TPS3806I33xx is adjusted to scheduled voltage gets final product.
During voltage checking chip 231 work; Voltage checking chip 231 compares voltage signal and the predeterminated voltage value that voltage receiving terminal VCC receives; When the magnitude of voltage of the voltage signal that receives as voltage receiving terminal VCC was lower than preset value, detection signal output RST exported a low level detection signal.When the magnitude of voltage of the voltage signal that receives as voltage receiving terminal VCC was higher than preset value, detection signal output RST exported the detection signal of a high level.
Start control module 25 comprises a switch triode 251, one second resistance 253 and one the 3rd resistance 255.
The 3rd end 2515 that switch triode 251 comprises first end 2511, second end 2513 and is used to control conducting between first end 2511 and second end 2513 or breaks off.Switch triode 251 can be selected the positive-negative-positive triode for use, also can select NPN type three utmost points for use, selects NPN type triode in the present embodiment for use, and the first corresponding end 2511 is an emitter, and second end 2513 is a collector electrode, and the 3rd end 2515 is a base stage.First end, 2511 ground connection, second end 2513 and battery adjustment voltage VREG is connected, said battery adjust voltage VREG voltage to earth for just.The 3rd end 2515 is connected with detection voltage output end RST through the 3rd resistance 255, and the 3rd end 2515 is connected through second resistance 253 and battery adjustment voltage VREG.
Boot-strap circuit module 27 comprises a shift knob 271 and one the 4th resistance 273; Said shift knob 271 comprises that first conduction terminal 2711, second conduction terminal 2713 and are used to control conducting and the touch-control end 2715 of disconnection between first conduction terminal 2711 and second conduction terminal 2713; When touch-control end 2715 is pushed downwards, said first conduction terminal 2711 and 2713 conductings of second conduction terminal.First conduction terminal 2711 is connected with second end 2513 of switch triode 251, and second conduction terminal 2713 is connected with the starting-up signal input 291 of circuitry 29.Starting-up signal input 291 is connected with battery adjustment voltage VREG through one the 4th resistance 273; Be used for when starting-up signal input 291 does not receive low level voltage signal, keeping high level state; Promptly; Starting-up signal input 291 keeps high level when not receiving low level starting-up signal, high level does not trigger circuitry 29 starts, and starting-up signal input 291 triggers circuitry 29 starts when receiving low level signal.
The operation principle of the ON-OFF control circuit of present embodiment mancarried electronic aid is following:
The voltage that 231 pairs of battery modules 21 of voltage checking chip provide detects:
When the voltage of battery module 21 during less than scheduled voltage; Detection signal output RST exports three end 2515 of a low level signal through the 3rd resistance 255 to switch triode 251, and this low level signal can not make first end 2511 and 2513 conductings of second end, and promptly switch triode 251 is in off-state; At this moment; When the user pushes touch-control end 2715, there is not low level signal to input to starting-up signal input 291, this moment, circuitry 29 can not be started shooting.
When the voltage of battery module 21 during greater than scheduled voltage, detection signal output RST exports three end 2515 of a high level signal through the 3rd resistance 255 to switch triode 251, and this high level signal makes first end 2511 and 2513 conductings of second end of switch triode 251; At this moment; Second end 2513 and ground short circuit, at this moment, when the user pushes touch-control end 2715; The low level signal of earth terminal inputs to starting-up signal input 291, circuitry 29 triggering starts this moment.
What deserves to be mentioned is, when some special circumstances, as; When the voltage of battery module 21 is lower than scheduled voltage, when having inserted charger on the mancarried electronic aid and having charged, though this moment battery module 21 voltage be lower than predetermined value; But, since mancarried electronic aid have charger provide electric energy need to mancarried electronic aid start shooting the operation, at this moment; Can pass through a control chip or circuit, make, provide a low level voltage signal to transfer to Enable Pin EN through the rectifier diode anode from a rectifier diode negative electrode when having detected charger when being inserted into mancarried electronic aid; Make voltage checking chip 231 not carry out the detection of cell voltage; At this moment, when the touch-control end 2715 of user's push switch button 271, the circuitry 29 of mancarried electronic aid can be started shooting.
In addition; When the magnitude of voltage of battery module 21 has been started shooting in use greater than scheduled voltage and mancarried electronic aid; Because the use of functions such as user's conversation, online causes the instantaneous reduction of voltage of battery module 21; And when being lower than scheduled voltage; Can cause the associative operation of the instantaneous reduction of voltage of battery module 21 to define easily to conversation, online etc. through the software program of mancarried electronic aid processor; And be provided with when the process monitoring of mancarried electronic aid processor during, control the general output port that passes through of mancarried electronic aid processor and export a low level and transfer to Enable Pin EN through the anode of rectification two utmost points, at this moment from the negative electrode of a rectifier diode to the operation of the definition of the instantaneous reduction of voltage that causes battery module 21 easily; Voltage checking chip 231 does not detect the voltage of battery module 21, the operation that the user can shut down to mancarried electronic aid.
The start control circuit of the first embodiment of the invention and second embodiment all can be applied in and be used to realize the start control to electronic equipment in the electronic equipments such as MP3, PDA, digital camera and notebook computer.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a mancarried electronic aid comprises the start control circuit, it is characterized in that, said start control circuit comprises:
Be used to provide the battery module of voltage;
Be connected with said battery module and be used to detect the magnitude of voltage of said battery module, with said magnitude of voltage and the predeterminated voltage value compares and according to the voltage detection module of comparative result output detection signal;
Be connected with said voltage detection module and be used to receive the detection signal that said voltage detection module is sent, and send the start control module of start control signal according to said detection signal; And
Be connected with said start control module and be used to receive the start control signal that said start control module is sent, and the boot-strap circuit module of starting shooting or shutting down according to said start control signal control circuitry.
2. mancarried electronic aid according to claim 1; It is characterized in that said voltage detection module comprises the voltage checking chip and first resistance, said voltage checking chip comprises voltage receiving terminal, Enable Pin, detection signal output and ground; Said voltage receiving terminal is connected with the power voltage supply end of battery module; Said Enable Pin is connected with battery module power voltage supply end through first resistance, and said detection signal output is connected earth terminal ground connection with the start control module.
3. mancarried electronic aid according to claim 2; It is characterized in that said start control module comprises switch triode, second resistance and the 3rd resistance, said switch triode comprises first end, second end and controls first end and the 3rd end of the second end conducting or disconnection; The said first end ground connection; Said second end is connected with the boot-strap circuit module, and the 3rd end is connected with the detection signal output, and said the 3rd end is that positive battery adjustment voltage is connected through the 3rd resistance and voltage to earth.
4. mancarried electronic aid according to claim 3 is characterized in that, said switch triode is a NPN type triode, and first end is an emitter, and second end is a collector electrode, and the 3rd end is a substrate.
5. mancarried electronic aid according to claim 4; It is characterized in that; Said boot-strap circuit module comprises shift knob and the 4th resistance, and said shift knob comprises first conduction terminal, second conduction terminal and be used to control conducting between said first conduction terminal and second conduction terminal or the touch-control end of disconnection that first conduction terminal is connected with second end; Second conduction terminal is connected with the starting-up signal input of circuitry, and second conduction terminal is that positive battery adjustment voltage is connected through the 4th resistance and voltage to earth.
6. a start control circuit is characterized in that, said start control circuit comprises:
Be used to detect the magnitude of voltage of battery module, with said magnitude of voltage and the predeterminated voltage value compares and according to the voltage detection module of comparative result output detection signal;
Be connected with said voltage detection module and be used to receive detection signal that said voltage detection module sends and send the start control module of start control signal according to said detection signal; And
Be connected with said start control module and be used to receive start control signal that said start control module sends and the boot-strap circuit module of starting shooting or shutting down according to said start control signal control circuitry.
7. start control circuit according to claim 6; It is characterized in that said voltage detection module comprises the voltage checking chip and first resistance, said voltage checking chip comprises voltage receiving terminal, Enable Pin, detection signal output and ground; Said voltage receiving terminal is connected with the power voltage supply end of battery module; Said Enable Pin is connected with battery module power voltage supply end through first resistance, and said detection signal output is connected earth terminal ground connection with the start control module.
8. start control circuit according to claim 7; It is characterized in that said start control module comprises switch triode, second resistance and the 3rd resistance, said switch triode comprises first end, second end and controls first end and the 3rd end of the second end conducting or disconnection; The said first end ground connection; Said second end is connected with the boot-strap circuit module, and the 3rd end is connected with the detection signal output, and said the 3rd end is that positive battery adjustment voltage is connected through the 3rd resistance and voltage to earth.
9. start control circuit according to claim 8 is characterized in that, said switch triode is a NPN type triode, and first end is an emitter, and second end is a collector electrode, and the 3rd end is a substrate.
10. start control circuit according to claim 9; It is characterized in that; Said boot-strap circuit module comprises shift knob and the 4th resistance; Said shift knob comprises first conduction terminal, second conduction terminal and is used to control conducting between said first conduction terminal and second conduction terminal or the touch-control end of disconnection; First conduction terminal is connected with second end, and second conduction terminal is connected with the starting-up signal input of circuitry, and second conduction terminal is that positive battery adjustment voltage is connected through the 4th resistance and voltage to earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110190229 CN102355535B (en) | 2011-07-07 | 2011-07-07 | Portable electronic equipment and start-up control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110190229 CN102355535B (en) | 2011-07-07 | 2011-07-07 | Portable electronic equipment and start-up control circuit |
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| CN102355535A true CN102355535A (en) | 2012-02-15 |
| CN102355535B CN102355535B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110190229 Active CN102355535B (en) | 2011-07-07 | 2011-07-07 | Portable electronic equipment and start-up control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102684777A (en) * | 2012-06-14 | 2012-09-19 | 青岛海信宽带多媒体技术有限公司 | Optical module and initialization method and device thereof |
| CN102883066A (en) * | 2012-09-29 | 2013-01-16 | 惠州Tcl移动通信有限公司 | Method for realizing file operation based on gesture recognition and cellphone |
| CN104977858A (en) * | 2014-04-04 | 2015-10-14 | 惠州市德赛西威汽车电子有限公司 | Control method of vehicle-mounted electronic device turn-on and turn-off |
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| CN1248352A (en) * | 1997-02-26 | 2000-03-22 | 艾利森公司 | Battery charger with low standby current |
| CN1866760A (en) * | 2005-05-20 | 2006-11-22 | Lg电子株式会社 | Apparatus for controlling booting of mobile terminal and method thereof |
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| US5869970A (en) * | 1995-10-31 | 1999-02-09 | Cardiac Pacemakers, Inc. | Power management system for an implantable device |
| CN1248352A (en) * | 1997-02-26 | 2000-03-22 | 艾利森公司 | Battery charger with low standby current |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684777A (en) * | 2012-06-14 | 2012-09-19 | 青岛海信宽带多媒体技术有限公司 | Optical module and initialization method and device thereof |
| CN102883066A (en) * | 2012-09-29 | 2013-01-16 | 惠州Tcl移动通信有限公司 | Method for realizing file operation based on gesture recognition and cellphone |
| CN102883066B (en) * | 2012-09-29 | 2015-04-01 | Tcl通讯科技（成都）有限公司 | Method for realizing file operation based on hand gesture recognition and cellphone |
| CN104977858A (en) * | 2014-04-04 | 2015-10-14 | 惠州市德赛西威汽车电子有限公司 | Control method of vehicle-mounted electronic device turn-on and turn-off |
| CN104977858B (en) * | 2014-04-04 | 2017-12-22 | 惠州市德赛西威汽车电子股份有限公司 | A kind of control method of vehicle electronic device switching on and shutting down |
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| CN102355535B (en) | 2013-11-06 |
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Effective date of registration: 20201230 Address after: 224000 a316 incubator, No.25 Guanhe 1st Road, Xiangshui Industrial Economic Zone, Yancheng City, Jiangsu Province Patentee after: Yancheng Boshi Information Technology Co.,Ltd. Address before: 510000 No. 106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Effective date of registration: 20201230 Address after: 510000 No. 106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |
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