CN103676674A - Timing sequence control circuit and electronic device adopting same - Google Patents
Timing sequence control circuit and electronic device adopting same Download PDFInfo
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- CN103676674A CN103676674A CN201210322850.4A CN201210322850A CN103676674A CN 103676674 A CN103676674 A CN 103676674A CN 201210322850 A CN201210322850 A CN 201210322850A CN 103676674 A CN103676674 A CN 103676674A
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Abstract
The invention relates to a timing sequence control circuit and an electronic device adopting the same. The timing sequence control circuit comprises a first power signal input end, a second power signal input end, a third power signal input end, a first output end, a second output end, a control circuit and a switching circuit, wherein the first power signal input end is used for receiving first power signals, the second power signal input end is used for receiving second power signals, and the third power signal input end is used for receiving third power signals; the first output end is used for outputting the first power signals, and the second output end is used for outputting the second power signals; the control circuit is connected with the switching circuit, and used for controlling on-off of the switching circuit. The switching circuit is connected between the first power signal input end and the first output end, and used for responding to the corresponding on or off controlled by the control circuit, so that the output of the first power signals is later than that of the second power signals when the electronic device starts up, and the output of the first power signals is stopped earlier than that of the second power signals when the electronic device shuts down.
Description
Technical field
The present invention relates to a kind of electric power management circuit, particularly a kind of sequential control circuit and adopt the electronic installation of this sequential control circuit.
Background technology
Current existing electronic installation adopts special-purpose panel control chip to control the power supply sequential of display screen conventionally, yet special-purpose panel control chip price is higher, is unfavorable for that cost of products reduces.
Summary of the invention
In view of this, the invention provides the electronic installation of a kind of sequential control circuit and this sequential control circuit of use.
Power supply sequencing control circuit in embodiment of the present invention, for controlling powering on and power down sequence of the first power supply signal and second source signal, comprise the first power supply signal input end, second source signal input part, the 3rd power supply signal input end, the first output terminal, the two the second output terminal, control circuit and on-off circuits.Wherein, the first transmission of electricity source signal enters end for receiving the first power supply signal, second source signal input part is with receiving second source signal, the 3rd power supply signal input end is used for receiving the 3rd power supply signal, described the first power supply signal of output for the first output terminal, the second output terminal is used for exporting described second source signal.Control circuit comprises the first on-off element, second switch element, the 3rd on-off element, electric capacity and some resistance, for controlling conducting and the cut-off of described on-off circuit.On-off circuit connects between described the first input and the first output terminal, and be connected with described control circuit simultaneously, respond the corresponding conducting of control or the cut-off of the circuit of described control, thereby control described the first power supply signal and when the start of described electronic installation, be later than the output of second source signal, and early than described second source signal, stop output during with described electronic installation shutdown.
Electronic installation in embodiment of the present invention, comprises sequential control circuit, operating circuit.Wherein sequential control circuit, for controlling powering on and power-off sequential of the first power supply signal and second source signal, comprises the first power supply signal input end, second source signal input part, the 3rd power supply signal input end, the first output terminal, the second output terminal, control circuit and open pipe circuit.Wherein, the first power supply signal input end is used for receiving the first power supply signal, second source signal input part is with receiving second source signal, the 3rd power supply signal input end is used for receiving the 3rd power supply signal, described the first power supply signal of output for the first output terminal, the second output terminal is used for exporting second source signal.Control circuit comprises the first on-off element, second switch element, the 3rd on-off element, electric capacity and some resistance, controls conducting and the cut-off of described on-off circuit for controlling time delay.On-off circuit connects between described the first input and the first output terminal, and be connected with described control circuit simultaneously, respond the corresponding conducting of control or the cut-off of the circuit of described control, thereby control described the first power supply signal and when the start of described electronic installation, be later than the output of second source signal, and early than described second source signal, stop output during with described electronic installation shutdown.
The sequential control circuit that the present invention proposes and use its electronic installation, can effectively control powering on and power-off sequential of operating circuit in electronic installation, has reached the function of special-purpose timing controller, effectively reduces cost of products.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment schematic diagram of electronic installation of the present invention.
Fig. 2 is an embodiment circuit diagram of sequential control circuit in electronic installation of the present invention.
Main element symbol description
| |
10 |
| |
110 |
| |
120 |
| |
130 |
| Display circuit | 140 |
| Power input | 1100 |
| The first power supply |
1101 |
| Second source |
1102 |
| The 3rd power supply signal output terminal | 1103 |
| The first power supply |
1301 |
| Second source |
1302 |
| The 3rd power supply |
1303 |
| The |
1304 |
| The |
1305 |
| |
1306 |
| On-off |
1307 |
| Leadage circuit | 150 |
| Resistance | R1、 R2、 R3、 R4、 R5 、R6 |
| Electric capacity | C1 |
| Triode | Q1、Q2、Q3 |
| Metal-oxide-semiconductor field effect t | Q4、Q5 |
| Diode | D1 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Fig. 1 is a kind of embodiment schematic diagram of electronic installation of the present invention.Electronic installation 10 comprises power circuit 110, operating circuit 120 and sequential control circuit 130.During electronic installation 10 start, power circuit 110 is converted to the first power supply signal V1 by external power source signal, second source signal V2 and the 3rd power supply signal V3.Wherein, the first power supply signal V1, second source signal V2 is used for offering operating circuit 120, the three power supply signal V3 and is used for offering this sequential control circuit 130.Operating circuit 120 is in electronic installation 10, to realize circuit module or the chip of specific function, as display circuit, and memory circuit or processor etc.Sequential control circuit 130 is connected between power circuit 110 and operating circuit 120, for controlling, offers the first power supply signal V1 of operating circuit 120 and powering on and power-off sequential of second source signal V2.
This sequential control circuit 130 comprises the first power supply signal input end 1301, second source signal input part 1302, the 3rd power supply signal input end 1303, the first output terminal 1304, the second output terminal 1305, control circuit 1306 and on-off circuit 1307.This first power supply signal input end 1301 is for receiving the first power supply signal V1.Second source signal input part 1302 is for receiving second source signal V2.The 3rd power supply signal input end 1303, for receiving the 3rd power supply signal V3.The first output terminal 1304, for exporting the first power supply signal V1.The second output terminal 1305, for exporting second source signal V2, wherein the second output terminal 1305 is directly connected with second source signal input part 1302.Control circuit 1306, is connected between described the 3rd power supply signal input end 1303 and on-off circuit 1307, for controlling conducting and the cut-off of said switching circuit 1307.On-off circuit 1307, be connected between described the first power supply signal input end 1301 and the first output terminal 1304, thereby control connection and the disconnection between described the first power supply signal input end 1301 and the first output terminal 1304 for responding the corresponding conducting of control or the cut-off of described control circuit 1306.When electronic installation 10 start, control circuit 1306 receives after the 3rd power supply signal V3, control said switching circuit 1307 Delayed conductings, thereby control described the first power supply signal V1 lags behind described second source signal V2 and offers described operating circuit 120 when described electronic installation 10 start, and when described electronic installation 10 shutdown, control described on-off circuit 1307 and end immediately, thereby described the first power supply signal V1 is stopped to operating circuit 120 power supplies in advance in the second source signal V2 of described delay power-off.
Fig. 2 is an embodiment circuit diagram of sequential control circuit 130 in the electronic installation 10 that proposes of the present invention, and as shown in Figure 2, in the present embodiment, operating circuit 120 be take the display circuit 140 of electronic installation 10 and described as example.Power circuit 110 comprises that a power input 1100 is connected with external power source, and comprises the first power supply signal output terminal 1101, second source signal output part 1102 and the 3rd power supply signal output terminal 1103.The power input 1100 of this power circuit 110 receives external power source signal, and external power source signal is converted to external power source signal is converted to the first power supply signal V1, second source signal V2 and the 3rd power supply signal V3 also export by the first power supply signal output terminal 1101, second source signal output part 1102 and the 3rd power supply signal output terminal 1103 respectively.In the present embodiment, the first power supply signal V1, second source signal V2 and the 3rd power supply signal V3 are respectively this driving voltage V1, logic voltage V2 and reference voltage V3.Wherein, driving voltage V1 is used to display circuit 140 that driving voltage is provided, and logic voltage V2 is used to display circuit 140 that logic voltage is provided, and reference voltage V3 is used to sequential control circuit 130 that reference voltage is provided.Sequential control circuit 130 comprises the first power supply signal input end 1301, second source signal input part 1302, the 3rd power supply signal input end 1303, the first output terminal 1304, the second output terminal 1305, control circuit 1306 and on-off circuit 1307.
Wherein, the first power supply signal input end 1301 is connected with the first power supply signal output terminal 1101, for receiving the drive voltage signal V1 of the first power supply signal output terminal 1101 outputs, second source signal input part 1302 is connected with second source signal output part 1102, for receiving the logic voltage signal V2 of second source signal output part 1102 outputs, the 3rd power supply signal input end 1303 is connected with the 3rd power supply signal output terminal 1103, for receiving the reference voltage signal V3 of the 3rd power supply signal output terminal 1103 outputs, this reference voltage signal V3 is as the reference voltage of sequential control circuit 130.The first output terminal 1304 outputting drive voltage V1 are to display circuit 140, the second output terminal 1305 output logic voltage V2 to display circuit 140.Control circuit 1306 is connected with the 3rd power supply signal input end 1303, and is connected with on-off circuit, for conducting and the disconnection of gauge tap circuit 1307.On-off circuit 1307 is connected between the first power supply signal input end 1301 and the first output terminal 1304, and according to the corresponding conducting of the control of control circuit 1306 or cut-off, thereby conducting or cut-off the first power supply signal input end 1301 are connected with the first output terminal 1304, make this drive voltage signal V1 export display circuit 140 to or stop exporting to display circuit 140.Second source signal input part 1302 is directly connected with the second output terminal 1305, and output logic voltage signal V2 is to display circuit.
Concrete, the base stage of positive-negative-positive triode Q1 is connected in the 3rd power supply signal input end 1303 through resistance R 1, and emitter is directly connected in the 3rd power supply signal input end 1303, and collector connects the base stage of positive-negative-positive triode Q3.The base stage of positive-negative-positive triode Q2 is connected in the 3rd power supply signal input end 1303, and meanwhile, this base stage is also through resistance R 2 ground connection, and emitter is connected with the base stage of triode Q1, and collector connects the base stage of positive-negative-positive triode Q3.The first end of capacitor C 1 is connected with the 3rd power supply signal input end 1303 by resistance R 2, R3, the second end ground connection, and the first end of this capacitor C 1 is also connected with the emitter of triode Q2 with the base stage of positive-negative-positive triode Q1 by resistance R 3.Positive-negative-positive triode Q3 and the collector of positive-negative-positive triode Q1 and the collector of positive-negative-positive triode Q2 is connected and through resistance R 4 ground connection, grounded collector, emitter is connected to on-off circuit 1307.
On-off circuit 1307 comprises the 4th on-off element Q4 and resistance R 5, wherein the 4th on-off element Q4 is P type metal-oxide-semiconductor field effect t (PMOS pipe) Q4, wherein resistance R 5 is connected between the source electrode and grid of PMOS pipe Q4, the source electrode of this PMOS pipe Q4 also connects the first power supply signal input end 1301, drain electrode connects defeated the first output terminal 1304, and grid is connected with the emitter of positive-negative-positive triode Q4 in control circuit 1306.
In the present embodiment, when electronic installation 10 start, power circuit 110 conversion external power source signal outputting drive voltage signal V1, logic voltage signal V2 and reference voltage signal V3.The first power supply signal input end 1301 of sequential control circuit 130 receives drive voltage signal V1, second source signal input part 1302 receive logic voltage signal V2, and the 3rd power supply signal input end 1303 receives reference voltage signal V3.Capacitor C 1 in the control circuit 1306 being connected with the 3rd power supply signal input end 1303 receives reference voltage signal V3 and starts charging.Now, the base stage of positive-negative-positive triode Q1, by resistance R 1, R2 ground connection, makes positive-negative-positive triode Q1 conducting.Thereby, positive-negative-positive triode Q3 base stage is connected and obtains a high level with the 3rd power supply signal input end 1303 by the positive-negative-positive triode Q1 of this conducting, thereby positive-negative-positive triode Q3 cut-off, therefore the grid of PMOS pipe Q4 obtains high level by resistance R 5 from the first power supply signal input end 1301, and makes the corresponding cut-off of PMOS pipe Q4.Between the first power supply signal input end 1301 and output terminal 1304, be connected disconnection, drive voltage signal V1 does not now export display circuit 140 to, and display circuit 140 is not worked.Wherein, now, the base stage of triode Q2 and the 3rd power supply signal input end 1303 and obtain high level, thereby positive-negative-positive triode Q2 cut-off.
When capacitor C 1 is charged to a certain degree, positive-negative-positive triode Q1 base stage is drawn high by the voltage of capacitor C 1 and in high level, is made positive-negative-positive triode Q1 cut-off.The base stage of positive-negative-positive triode Q3 obtains a low level by resistance R 4 ground connection, makes positive-negative-positive triode Q3 conducting.Therefore the grid of PMOS pipe Q4 obtains a low level by the positive-negative-positive triode Q3 ground connection of this conducting, thereby make the corresponding conducting of PMOS pipe Q4.The conducting that is connected of the first power supply signal input end 1301 and 1304 of the first output terminals, drive voltage signal V1 exports display circuit 140 to, drives display circuit 140 to carry out work, that is, show.
Because capacitor C 1 charging needs certain hour, therefore, drive voltage signal V1 a period of time that can lag behind offers display circuit 140.And when electronic installation 10 start, second source signal input part 1302 and the direct conducting of the second output terminal 1305, the second output terminal 1305 exports logic voltage signal V2 to display circuit 140 and provides logic voltage signal for it, therefore, logic voltage signal V2 is that display circuit 140 powers on prior to drive voltage signal V1.
In the present embodiment, by the capacitance of capacitor C 1 is set, can change the duration of charging of capacitor C 1, be the time that display circuit 140 powers on thereby setting drive voltage signal V1 postpones in this logic voltage signal V2.
When electronic installation 10 shutdown, power circuit 110 stops changing external power source signal, thereby stop exporting this drive voltage signal V1, logic voltage signal V2 and reference voltage signal V3, the voltage of this drive voltage signal V1, logic voltage signal V2 and reference voltage signal V3 starts to decline.Now, capacitor C 1 starts to discharge by resistance R 3, the emitter of positive-negative-positive triode Q2 is connected with the first end of this capacitor C 1 through resistance R 3 and in high level, base stage is by resistance R 1 ground connection, thereby positive-negative-positive triode Q2 conducting, the voltage of capacitor C 1 exports the base stage of positive-negative-positive triode Q3 to by the positive-negative-positive triode Q2 of this conducting, make positive-negative-positive triode Q3 cut-off, the corresponding cut-off of PMOS pipe Q4.The first power supply signal enters the disconnection that is connected of end 1301 and 1304 of the first output terminals, and drive voltage signal V1 stops exporting to display circuit 140 immediately.And logic voltage signal V2 can maintain just power-off after a period of time, thereby after drive voltage signal V1 stops outputing to display circuit 140, logic voltage signal V2 only outputs to display circuit 140 after still continuing for some time, this logic voltage signal V2 lags behind this drive voltage signal V1 to be stopped as display circuit power supply.
In the present embodiment, this electronic installation 10 also comprises leadage circuit 150, and leadage circuit 150 is connected between second source signal input part 1302 and the first output terminal 1304, when electronic installation 10 shutdown, for display circuit 140 provides discharge path.This leadage circuit 150 comprises the 5th on-off element Q5, diode D1 and resistance R 6, wherein, the 5th on-off element is N-type metal-oxide-semiconductor field effect t (NMOS pipe) Q5, its grid connects second source signal input part 1302, source ground, drain electrode connects the first output terminal 1304 through resistance R 6, and diode D1 forward is connected between the source electrode and drain electrode of NMOS pipe Q5.
The moment of stopping power supply at power circuit 110, still conducting of NMOS pipe Q5, the load capacitance of display circuit 140 is accelerated electric discharge, display circuit 140 power-off subsequently through leadage circuit 150.
In the present embodiment, electronic installation 10 is for having display screen electronic installation.
Be appreciated that the above embodiment is used for illustrative purposes only, and be not limitation of the present invention.The variation that the those of ordinary skill in relevant technologies field is made in corresponding technical field according to the present invention should belong to protection category of the present invention.
Claims (15)
1. a sequential control circuit, the power down sequence when controlling as the first power supply signal and the electric sequence of second source signal when electronic installation start shooting of an operating circuit power supply of electronic installation and shutting down, is characterized in that, this sequential control circuit comprises:
The first power supply signal input end, is connected with one first output terminal of an electronic installation internal power circuit, for receive one first power supply signal of this power circuit the first output terminal output when electronic installation is started shooting;
Second source signal input part, is connected with one second output terminal of this electronic installation internal power circuit, for receive a second source signal of this power circuit the second output terminal output when electronic installation is started shooting;
The 3rd power supply signal input end, is connected with one the 3rd output terminal of this electronic installation internal power circuit, for receive one the 3rd power supply signal of this power circuit the 3rd output terminal output when electronic installation is started shooting;
The first output terminal, this first output terminal is connected with the operating circuit of an on-off circuit and described electronic installation, for exporting the first power supply signal in the operating circuit of described electronic installation;
The second output terminal, this second output terminal is directly connected with the operating circuit of second source signal input part and described electronic installation, for exporting second source signal in the operating circuit of described electronic installation;
On-off circuit, is connected between described the first power supply signal input end and the first output terminal, for controlling connection and the disconnection between described the first power supply signal input end and the first output terminal;
Control circuit, be connected between described the 3rd power supply signal input end and on-off circuit, for when electronic installation is started shooting, receive after the 3rd power supply signal, control the Delayed conducting of said switching circuit, thereby the first power supply signal of controlling described the first output terminal output lags behind the second source signal of described the second output terminal output to described operating circuit power supply, and when described electronic installation shutdown, control described on-off circuit and end immediately, thereby end immediately the first output terminal and export the first power supply signal in operating circuit, the second source signal lag of this delay cut-off is stopped as operating circuit power supply in this first power supply signal.
2. sequential control circuit as claimed in claim 1, it is characterized in that, described the first power supply signal is drive voltage signal, be used to electronic installation that driving voltage is provided, second source signal is logic voltage signal, be used to described electronic installation that logic voltage is provided, the 3rd power supply signal is reference voltage signal, for described sequential control circuit provides reference voltage.
3. sequential control circuit as claimed in claim 2, is characterized in that, described control circuit comprises:
The first triode, the base stage of described the first triode is connected with described the 3rd power supply signal input end through the first resistance, and emitter is directly connected with described the 3rd power supply signal input end;
The second triode, the base stage of described the second triode is connected with described the 3rd power supply signal input end and through the second resistance eutral grounding, emitter is connected with the base stage of described the first triode;
Electric capacity, the first end of described electric capacity is connected with the emitter of the second triode with the base stage of the first triode through the 3rd resistance, the second end ground connection; And
The 3rd triode, the base stage of described the 3rd triode is connected with the collector of described the first triode and the second triode and through the 4th resistance eutral grounding, grounded collector, emitter is connected to and described on-off circuit.
4. sequential control circuit as claimed in claim 3, is characterized in that, described the first triode, the second triode and the 3rd triode are positive-negative-positive triode.
5. sequential control circuit as claimed in claim 1, it is characterized in that, described on-off circuit comprises the first field effect transistor and the 5th resistance, the source electrode of described the first field effect transistor is connected with described the first power supply signal input end, drain electrode is connected with described the first output terminal, and grid is connected with described source electrode through the 5th resistance and grid is connected with the emitter of the 3rd triode in control circuit.
6. sequential control circuit as claimed in claim 5, is characterized in that, described the first field effect transistor is P channel-type field effect transistor.
7. an electronic installation, comprises operating circuit and power circuit, and described power circuit is converted to the first power supply signal for power circuit by external power source signal, and second source signal and the 3rd power supply signal, is characterized in that, described electronic installation also comprises:
The first power supply signal input end, is connected with one first output terminal of an electronic installation internal power circuit, for receive one first power supply signal of this power circuit the first output terminal output when electronic installation is started shooting;
Second source signal input part, is connected with one second output terminal of this electronic installation internal power circuit, for receive a second source signal of this power circuit the second output terminal output when electronic installation is started shooting;
The 3rd power supply signal input end, is connected with one the 3rd output terminal of this electronic installation internal power circuit, for receive one the 3rd power supply signal of this power circuit the 3rd output terminal output when electronic installation is started shooting;
The first output terminal, this first output terminal is connected with the operating circuit of an on-off circuit and described electronic installation, for exporting the first power supply signal in the operating circuit of described electronic installation;
The second output terminal, this second output terminal is directly connected with the operating circuit of second source signal input part and described electronic installation, for exporting second source signal in the operating circuit of described electronic installation;
On-off circuit, is connected between described the first power supply signal input end and the first output terminal, for controlling connection and the disconnection between described the first power supply signal input end and the first output terminal;
Control circuit, be connected between described the 3rd power supply signal input end and on-off circuit, for when electronic installation is started shooting, receive after the 3rd power supply signal, control the Delayed conducting of said switching circuit, thereby the first power supply signal of controlling described the first output terminal output lags behind the second source signal of described the second output terminal output to described operating circuit power supply, and when described electronic installation shutdown, control described on-off circuit and end immediately, thereby end immediately the first output terminal and export the first power supply signal in operating circuit, thereby this delay cut-off second source signal lag is stopped as operating circuit power supply in this first power supply signal, and
One leadage circuit, is connected between second source signal input part and the first output terminal, during for the shutdown of described electronic installation, for the load capacitance of electronic installation provides discharge path.
8. electronic installation as claimed in claim 7, it is characterized in that, described the first power supply signal is drive voltage signal, be used to electronic installation that driving voltage is provided, second source signal is logic voltage signal, be used to described electronic installation that logic voltage is provided, the 3rd power supply signal is reference voltage signal, for described sequential control circuit provides reference voltage.
9. electronic installation as claimed in claim 8, is characterized in that, described control circuit comprises:
The first triode, the base stage of described the first triode is connected with described the 3rd power supply signal input end through the first resistance, and emitter is directly connected with described the 3rd power supply signal input end;
The second triode, the base stage of described the second triode is connected with described the 3rd power supply signal input end and through the second resistance eutral grounding, emitter is connected with the base stage of described the first triode;
Electric capacity, the first end of described electric capacity is connected with the emitter of the second triode with the base stage of the first triode through the 3rd resistance, the second end ground connection; And
The 3rd triode, the base stage of described the 3rd triode is connected with the collector of described the first triode and the second triode and through the 4th resistance eutral grounding, grounded collector, emitter is connected to and described on-off circuit.
10. electronic installation as claimed in claim 9, is characterized in that, described the first triode, the second triode and the 3rd triode are positive-negative-positive triode.
11. electronic installations as claimed in claim 7, it is characterized in that, described on-off circuit comprises the first field effect transistor and the 5th resistance, the source electrode of described the first field effect transistor is connected with described the first power supply signal input end, drain electrode is connected with described the first output terminal, and grid is connected with described source electrode through the 5th resistance and grid is connected with the emitter of the 3rd triode in control circuit.
12. electronic installations as claimed in claim 11, is characterized in that, described the first field effect transistor is P channel-type field effect transistor.
13. electronic installations as claimed in claim 7, it is characterized in that, described leadage circuit comprises the second field effect transistor and diode, wherein, the grid of the second field effect transistor connects first input end, source ground, drain electrode connects the first output terminal through the 6th resistance, and diode forward is connected between source electrode and drain electrode.
14. electronic installations as claimed in claim 13, is characterized in that, described the second field effect transistor is N channel-type field effect transistor.
15. electronic installations as claimed in claim 7, is characterized in that, this electronic installation is the electronic installation with display screen.
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| CN201210322850.4A CN103676674A (en) | 2012-09-04 | 2012-09-04 | Timing sequence control circuit and electronic device adopting same |
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| CN201210322850.4A CN103676674A (en) | 2012-09-04 | 2012-09-04 | Timing sequence control circuit and electronic device adopting same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215562A (en) * | 2018-11-23 | 2019-01-15 | 京东方科技集团股份有限公司 | A kind of display driver circuit and display driving method |
| WO2020192656A1 (en) * | 2019-03-28 | 2020-10-01 | 京东方科技集团股份有限公司 | Power-on timing control unit, power-on timing control method and display device |
| CN113246887A (en) * | 2021-06-09 | 2021-08-13 | 中国第一汽车股份有限公司 | Sequential circuit control method and device, electronic equipment and storage medium |
| CN116700106A (en) * | 2023-06-30 | 2023-09-05 | 合肥申威睿思信息科技有限公司 | Power-on and power-off time sequence control circuit and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057879A1 (en) * | 2001-08-22 | 2003-03-27 | Capriglione Carmine Joseph | Lighting electronic controller |
| US20030115033A1 (en) * | 2001-12-13 | 2003-06-19 | Aitken Robert C. | Flow for vector capture |
| CN101807105A (en) * | 2009-02-17 | 2010-08-18 | 鸿富锦精密工业（深圳）有限公司 | Time sequence control circuit |
| CN201656777U (en) * | 2010-01-28 | 2010-11-24 | 鸿富锦精密工业（深圳）有限公司 | Power supply management circuit and electronic equipment therewith |
| CN201860306U (en) * | 2010-10-29 | 2011-06-08 | 珠海市鑫和电器有限公司 | Time sequence control circuit |
| CN102487274A (en) * | 2010-12-04 | 2012-06-06 | 鸿富锦精密工业（深圳）有限公司 | Time delay circuit and time sequence controller provided with same |
| CN102496389A (en) * | 2011-11-30 | 2012-06-13 | 中国科学院微电子研究所 | Control circuit for reading timing sequence |
-
2012
- 2012-09-04 CN CN201210322850.4A patent/CN103676674A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057879A1 (en) * | 2001-08-22 | 2003-03-27 | Capriglione Carmine Joseph | Lighting electronic controller |
| US20030115033A1 (en) * | 2001-12-13 | 2003-06-19 | Aitken Robert C. | Flow for vector capture |
| CN101807105A (en) * | 2009-02-17 | 2010-08-18 | 鸿富锦精密工业（深圳）有限公司 | Time sequence control circuit |
| CN201656777U (en) * | 2010-01-28 | 2010-11-24 | 鸿富锦精密工业（深圳）有限公司 | Power supply management circuit and electronic equipment therewith |
| CN201860306U (en) * | 2010-10-29 | 2011-06-08 | 珠海市鑫和电器有限公司 | Time sequence control circuit |
| CN102487274A (en) * | 2010-12-04 | 2012-06-06 | 鸿富锦精密工业（深圳）有限公司 | Time delay circuit and time sequence controller provided with same |
| CN102496389A (en) * | 2011-11-30 | 2012-06-13 | 中国科学院微电子研究所 | Control circuit for reading timing sequence |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215562A (en) * | 2018-11-23 | 2019-01-15 | 京东方科技集团股份有限公司 | A kind of display driver circuit and display driving method |
| WO2020192656A1 (en) * | 2019-03-28 | 2020-10-01 | 京东方科技集团股份有限公司 | Power-on timing control unit, power-on timing control method and display device |
| CN113246887A (en) * | 2021-06-09 | 2021-08-13 | 中国第一汽车股份有限公司 | Sequential circuit control method and device, electronic equipment and storage medium |
| CN116700106A (en) * | 2023-06-30 | 2023-09-05 | 合肥申威睿思信息科技有限公司 | Power-on and power-off time sequence control circuit and method |
| CN116700106B (en) * | 2023-06-30 | 2024-04-19 | 合肥申威睿思信息科技有限公司 | Power-on and power-off time sequence control circuit and method |
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Application publication date: 20140326 |