CN103338029B - A kind of automatic reset device - Google Patents
A kind of automatic reset device Download PDFInfo
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- CN103338029B CN103338029B CN201310246660.3A CN201310246660A CN103338029B CN 103338029 B CN103338029 B CN 103338029B CN 201310246660 A CN201310246660 A CN 201310246660A CN 103338029 B CN103338029 B CN 103338029B
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Abstract
The invention discloses a kind of automatic reset device, this device includes: the starting-up signal of detection electronic equipment and the switching on and shutting down signal deteching circuit of off signal；Being connected with described switching on and shutting down signal deteching circuit, and when described switching on and shutting down signal deteching circuit detects off signal, time delay is given notice after the regular length time delay circuit of signal；It is connected with described delay circuit, and is receiving the reset signal output circuit of the described notification signal System on Chip/SoC output reset signal to described electronic equipment.The device that the present invention provides can solve the problem that existing electronic product exists can only manually press mechanical type SR to running the problem that the program flown resets.
Description
Technical field
The present invention relates to electronic product development technique field, particularly relate to a kind of automatic reset device.
Background technology
For using rechargeable battery powered electronic product, due in design cannot be as button cell or dry
Battery like that easily takes out in product.When there is misprogramming in electronic product, it is impossible to by disconnecting electricity
Access again behind source, allow system reset, it is thus possible to the problem that cannot be started up or shut down can be caused so that produce
Product cannot use.
In order to prevent the program fleet of electronic product, a mechanical key switch typically can be designed,
When system program disorder, it is achieved the hand-reset to system.
Existing mechanical type resets, and design comparison is simple, but for the electronic product of miniaturization,
Because the restriction of the size of product own and the design requirement attractive in appearance for product, it is understood that there may be there is no position
Put the awkward problem placing machinery reset switch.Further, use mechanical switch to reset, need user's hands
Move；When another External System occurs abnormal, general user may be judged as that this product is faulty,
And have ignored the operation of reset.
In sum, the existence of existing electronic product can only manually press mechanical type SR to race
The program flown carries out the problem resetted, and designs inadequate hommization.
Summary of the invention
The invention provides a kind of automatic reset device, this device can solve the problem that existing electronic product can only
Manually press mechanical type SR and reset to running the program that flies, it is impossible to automatically carry out resetting
Problem.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The invention discloses a kind of automatic reset device, this device includes: the start letter of detection electronic equipment
Number and the switching on and shutting down signal deteching circuit of off signal；It is connected with described switching on and shutting down signal deteching circuit, and
When described switching on and shutting down signal deteching circuit detects off signal, time delay sends logical after the regular length time
Know the delay circuit of signal；It is connected with described delay circuit, and is receiving described notification signal to described electricity
The reset signal output circuit of the System on Chip/SoC output reset signal of subset.
In said apparatus, described switching on and shutting down signal deteching circuit includes: the 3rd resistance, the 4th field effect
Pipe；Described one end of 3rd resistance is connected with the switching on and shutting down signal end of described electronic equipment, the other end and
The grid of four field effect transistor connects；The grounded drain of described 4th field effect transistor, described 4th field effect transistor
Source electrode be connected with delay circuit.
In said apparatus, described switching on and shutting down signal deteching circuit also includes: diode and bi-directional voltage stabilizing pipe；
The positive pole of described diode is connected with the drain electrode of described 4th field effect transistor, the negative pole of described diode and institute
The source electrode stating the 4th field effect transistor connects；One end of described bi-directional voltage stabilizing pipe and the grid of the 4th field effect transistor
Connecting, the other end of described bi-directional voltage stabilizing pipe and the drain electrode of the 4th field effect transistor connect.
In said apparatus, described delay circuit includes: the 5th resistance, the 7th resistance and the 9th capacitor；
Described one end of 5th resistance is connected with the internal operating voltages end of described electronic equipment, described 5th resistance
The other end and the 4th field effect transistor source electrode connect；One end of described 7th resistance and the 4th field effect transistor
Source electrode connect, one end connection of the other end of described 7th resistance and the 9th capacitor, the 9th capacitor
Other end ground connection.
In said apparatus, described reset signal output circuit includes: the tenth resistance, the 9th resistance,
Five audions, the first resistance and the second capacitor；One end of described tenth resistance and described 7th resistance
The other end connects, and the other end of the tenth resistance and the base stage of the 5th audion connect；One end of 9th resistance
Being connected with the base stage of the 5th audion, the other end of the 9th resistance and the emitter stage of the 5th audion connect；
The grounded emitter of the 5th audion, the colelctor electrode of the 5th audion is connected with the System on Chip/SoC of electronic equipment；
One end of first resistance is connected with the internal operating voltages end of described electronic equipment, the other end of the first resistance
It is connected with the colelctor electrode of the 5th audion；One end ground connection of the second capacitor, the other end of the second capacitor
It is connected with the colelctor electrode of the 5th audion.
In said apparatus, described device also includes: be connected with reset signal output circuit, according to control
Signal controls the reset control circuit of the output of the reset signal of described reset signal output circuit.
In said apparatus, described reset control circuit includes: the 8th resistance and the 6th audion；Described
One end of 8th resistance is connected with control signal input, the other end of the 8th resistance and the 6th audion
Base stage connects；The colelctor electrode of described 6th audion and the other end of the 7th resistance connect, the 6th audion
Grounded emitter.
In said apparatus, described 4th field effect transistor is N-channel field effect transistor.
In said apparatus, described 6th audion is NPN type triode.
In said apparatus, described 5th audion is NPN type triode.
In sum, the invention provides a kind of automatic reset device, this device includes detecting electronic equipment
Starting-up signal and the switching on and shutting down signal deteching circuit of off signal；With described switching on and shutting down signal deteching circuit
Connect, and when described switching on and shutting down signal deteching circuit detects off signal, the time delay regular length time
After give notice the delay circuit of signal；It is connected with described delay circuit, and is receiving described notification signal
The reset signal output circuit of reset signal is exported to the System on Chip/SoC of described electronic equipment.The present invention provides
Technical scheme by use capacitor charge and discharge principle, substitute mechanical switch realize system auto-reset function.
By using electronic devices and components, automatically detect off signal；Utilize capacitor charge and discharge time delay, closing every time
After machine, time delay is specified the time to realize the system of electronic equipment and is automatically reset.Can solve the problem that existing electronics
Product exists can only manually press mechanical type SR to running the problem that the program flown resets.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automatic reset device in an embodiment of the present invention；
Fig. 2 is the circuit diagram of the automatic reset device in an embodiment of the present invention；
Fig. 3 is the structural representation of the automatic reset device in further embodiment of this invention；
Fig. 4 is the circuit diagram of the automatic reset device in further embodiment of this invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this
Bright embodiment is described in further detail.
Automatic reset device provided by the present invention is arranged on the inside of electronic equipment, arranges inside with electronics
System on Chip/SoC be connected.When electronic equipment shuts down, according to the off signal detected, time delay is fixed
A reset signal is exported to the System on Chip/SoC of electronic equipment after length of time.The System on Chip/SoC of electronic equipment
The reset of electronic equipment is realized according to reset signal.Use automatic reset device present that the present invention provides
Equipment need not additionally arrange mechanical switch, and the automatic reset device that the present invention provides uses electronics unit device
Part, can detect the off signal of electronic equipment automatically, and after shut down after time delay a period of time to electricity
Son arranges and automatically resets.Can solve the problem that existing electronic product exists and can only manually press mechanical type again
Position button is to running the problem that the program flown resets.Be prevented from user because of erroneous judgement electronic equipment occur therefore
Barrier, and have ignored reset operation and cause unnecessary loss.
Fig. 1 is the structural representation of the automatic reset device in an embodiment of the present invention；As it is shown in figure 1,
This automatic reset device includes: the starting-up signal of detection electronic equipment and the switching on and shutting down signal inspection of off signal
Slowdown monitoring circuit 101；It is connected with switching on and shutting down signal deteching circuit 101, and at switching on and shutting down signal deteching circuit 101
When off signal being detected, time delay is given notice after the regular length time delay circuit 102 of signal；With
Delay circuit 102 connects, and exports reset signal at notified signal to the System on Chip/SoC of electronic equipment
Reset signal output circuit 103.
The automatic reset device provided due to the present invention is that the System on Chip/SoC with electronic equipment is connected, or
Person is to be set directly on the System on Chip/SoC of electronic equipment.The input of switching on and shutting down signal deteching circuit 101
End is connected with the power supply circuits of electronic equipment, and when i.e. in electronic equipment start or normally working, switching on and shutting down are believed
Number testing circuit 101 has just been able to detect that high level inputs, and starting-up signal i.e. detected.Set at electronics
Standby shutdown, or during power-off, the input of switching on and shutting down signal deteching circuit 101 does not has high level signal to input,
Off signal i.e. detected.In an embodiment of the present invention, under starting-up signal i.e. electronic equipment "on" position,
The high level of input.Under off signal i.e. electronic equipment off-position, the low level detected.
Fig. 2 is the circuit diagram of the automatic reset device in an embodiment of the present invention, as a example by Fig. 2, right
Each circuit in the automatic reset device that the present invention provides illustrates.As in figure 2 it is shown,
In the present embodiment, switching on and shutting down signal deteching circuit 101 includes: the 3rd resistance R3, the 4th effect
Should pipe Q4.Delay circuit includes: the 5th resistance R5, the 7th resistance R7 and the 9th capacitor C9.Multiple
Position signal output apparatus include: the tenth resistance R10, the 9th resistance R9, the 5th audion Q5, first
Resistance R1 and the second capacitor C2.
Switching on and shutting down signal deteching circuit 101 is connected with delay circuit 102, delay circuit 102 and the letter that resets
Number output circuit 103 connects.
In the present embodiment, one end of the 3rd resistance R3 is connected with the switching on and shutting down signal end of electronic equipment,
It is exemplified as, is connected with the power supply circuits of electronic equipment；The other end of the 3rd resistance R3 and the 4th field effect
The grid of pipe Q4 connects.The grounded drain of the 4th field effect transistor Q4, the source electrode of the 4th field effect transistor Q4
It is connected with delay circuit.
In the preferred embodiment, in order to prevent the start suddenly of electronic equipment or shut down to switch
The 4th field effect transistor Q4 in machine signal deteching circuit impacts, it is also preferred that the left switching on and shutting down signal detection
Circuit also includes: diode D1 and bi-directional voltage stabilizing pipe D2.
Wherein, the positive pole of diode D1 and the drain electrode of the 4th field effect transistor Q4 connect, diode D1's
The source electrode of negative pole and the 4th field effect transistor Q4 connects；The effect of this diode D1 is prevent from prolonging
Time circuit 102 electric current the 4th field effect transistor Q4 is impacted, open protection the 4th field effect transistor Q4
Effect.
One end of bi-directional voltage stabilizing pipe D2 is connected with the grid of the 4th field effect transistor Q4, bi-directional voltage stabilizing pipe D2
The other end and the 4th field effect transistor Q4 drain electrode connect.The effect of this bi-directional voltage stabilizing pipe D2 is, energy
4th field effect transistor Q4 is impacted by the electric current preventing electronic device power supply circuit, opens protection
The effect of the 4th field effect transistor Q4.
In the above-described embodiments, the 4th field effect transistor Q4 is N-channel field effect transistor.
A kind of specific implementation of the switching on and shutting down testing circuit that above-described embodiment is only in the present invention, at this
In other embodiments of invention, it is also possible to the circuit being made up of other electronic devices, as long as being capable of
The circuit of starting-up signal or off signal detected, repeat the most one by one at this.
In the present embodiment, delay circuit includes: the 5th resistance R5, the 7th resistance R7 and the 9th electric capacity
Device C9；
Wherein, one end of the 5th resistance R5 is connected with the internal operating voltages end of electronic equipment, the 5th electricity
The other end of resistance R5 and the source electrode of the 4th field effect transistor Q4 connect.
One end of 7th resistance R7 is connected with the source electrode of the 4th field effect transistor Q4, and the 7th resistance R7's is another
One end is connected with one end of the 9th capacitor C9, the other end ground connection of the 9th capacitor C9.
In the case of being not turned between drain electrode and the source electrode of the 4th field effect transistor Q4, electronic equipment interior
Portion's running voltage end can be charged operation to the 9th capacitor.The 4th field effect transistor Q4 drain electrode with
Between source electrode in the case of conducting, the internal operating voltages end of electronic equipment can because ground connection and can not be to the
Nine capacitor C9 are charged operation.
In an embodiment of the present invention, it is permanent due to the voltage of the internal operating voltages end of electronic equipment
Fixed, can be by regulating the capacitance of the 9th capacitor C9, the set time of regulation time delay.
A kind of specific implementation of the delay circuit that above-described embodiment is only in the present invention, the present invention's
In other embodiments, it is also possible to the circuit being made up of other electronic devices, as long as being capable of at switch
When machine signal deteching circuit detects off signal, time delay is given notice after the regular length time signal,
Repeat the most one by one at this.
In the present embodiment, reset signal output circuit includes: the tenth resistance R10, the 9th resistance R9,
5th audion Q5, the first resistance R1 and the second capacitor C2；One end of tenth resistance R10 and the
The other end of seven resistance R7 connects, the other end of the tenth resistance R10 and the base stage of the 5th audion Q5
Connect；One end of 9th resistance R9 is connected with the base stage of the 5th audion Q5, and the 9th resistance R9's is another
One end is connected with the emitter stage of the 5th audion Q5；The grounded emitter of the 5th audion Q5, the five or three
The colelctor electrode of pole pipe Q5 is connected with the System on Chip/SoC of electronic equipment；One end of first resistance R1 sets with electronics
Standby internal operating voltages end connects, the other end of the first resistance R1 and the colelctor electrode of the 5th audion Q5
Connect；One end ground connection of the second capacitor C2, the other end of the second capacitor C2 and the 5th audion
The colelctor electrode of Q5 connects.
In the case of the 9th capacitor charging complete, the base stage of the 5th audion Q5 has voltage to input,
5th audion Q5 conducting, the System on Chip/SoC no-voltage input of electronic equipment.
Be under discharge condition at the 9th capacitor, or charging be not fully complete in the case of, then the five or three pole
The base stage no-voltage input of pipe Q5, the 5th audion Q5 is not turned on, and the System on Chip/SoC of electronic equipment has electricity
Pressure input.
A kind of specific implementation of the reset signal output circuit that above-described embodiment is only in the present invention,
In other embodiments of the present invention, it is also possible to the circuit being made up of other electronic devices, as long as can be real
Reset signal is exported i.e. to the System on Chip/SoC of electronic equipment after receiving now the notification signal that delay circuit sends
Can, repeat the most one by one at this.
Below the operation principle of the automatic reset device that the present invention provides is described in detail.
Owing to the input of switching on and shutting down signal deteching circuit 101 connects with the switching on and shutting down signal end of electronic equipment
Connect, when electronic equipment is started shooting, or under normal operating conditions, switching on and shutting down signal deteching circuit 101
The input of input ON-OFF the most as shown in Figure 2 end is high level.This high level is by the 3rd electricity
Resistance R3 arrives the grid of the 4th field effect transistor Q4 so that the source electrode of the 4th field effect transistor Q4 and drain electrode
Between turn on.Owing to the source electrode of the 4th field effect transistor Q4 is by the 5th resistance R5 of delay circuit 102 and electricity
The internal operating voltages end of subset connects, and the grounded drain of the 4th field effect transistor Q4；The 4th
After field effect transistor conducting, voltage is low because of electric discharge for the 9th capacitor C9 so that reset signal output circuit
The base stage no-voltage input of the 5th audion in 103, the 5th audion Q5 is not turned on；Then this reset letter
The RESET end output of number output circuit 103 for high level, the System on Chip/SoC of electronic equipment not as,
Electronic equipment will not be reset.
When electronic equipment shuts down, the input of switching on and shutting down signal deteching circuit 101 is the most as shown in Figure 2
ON-OFF end do not have voltage to input, be low level.The then source electrode of the 4th field effect transistor Q4 and drain electrode
Between be not turned on；The internal operating voltages end of electronic equipment passes through the 5th resistance R5 and the 7th resistance R7 pair
9th capacitor C9 is charged, and through after a period of time, the 9th capacitor C9 is charged to certain voltage
Time so that the 5th audion Q5 conducting；Owing to the colelctor electrode of the 5th audion Q5 is by the first resistance
R1 is connected with the internal operating voltages end of electronic equipment, and the grounded emitter of the 5th audion Q5；
Then after the 5th audion Q5 conducting, voltage is low because of electric discharge for the second capacitor C2 so that reset signal
Outfan in output circuit 103 is low level, and the System on Chip/SoC of electronic equipment is defeated according to this reset signal
Go out the low level that circuit 103 is exported so that the system reset of this electronic equipment.
In the case of some is special, user may not want that and carries out electronic equipment automatically again when shutdown
Position.Fig. 3 is the structural representation of the automatic reset device in further embodiment of this invention, as it is shown on figure 3,
This automatic reset device also includes: be connected with reset signal output circuit 103, according to control signal control
The reset control circuit 104 of the output of the reset signal of reset signal output circuit 103.
Specifically, reset control circuit 104 is according to the high level signal of input, control reset signal output
The output of the reset signal of circuit 103；According to the low level signal of input, control reset signal output electricity
Not exporting of the reset signal on road 103.
Fig. 4 is the circuit diagram of the automatic reset device in further embodiment of this invention, as shown in Figure 4, multiple
Position control circuit 104 includes: the 8th resistance R8 and the 6th audion Q6.
One end of 8th resistance R8 is connected with the input of reset control circuit 104, the 8th resistance R8's
The base stage of the other end and the 6th audion Q6 connects；The colelctor electrode of the 6th audion Q6 and delay circuit end
Connect, the grounded emitter of the 6th audion Q6.
Wherein, the input termination control signal of reset control circuit 104, wherein control signal can be defeated
The high level signal entered or low level signal.Reset control circuit 104 is according to the high level signal control of input
Making the conducting of the 6th audion Q6, the notification signal that control delay circuit 102 sends can not normally send
To reset signal output circuit 103；Low level signal according to input controls the 6th audion Q6 and closes,
The notification signal that delay circuit 102 is sent can normally be sent to reset signal output circuit 103.
A kind of specific implementation of the reset control circuit that above-described embodiment is only in the present invention, at this
In other bright embodiments, it is also possible to the circuit being made up of other electronic devices, as long as being capable of root
The output of the reset signal of reset signal output circuit 103 is controlled, at this according to the control signal of input
Repeat the most one by one.
Circuit diagram shown in Figure 3, the below workflow to the automatic reset device in this embodiment
Illustrate.
When user wishes in shutdown, when the system to electronic equipment does not resets, by reset control
The input of circuit 104 i.e. CTRL end one high level signal of input shown in figure, this high level is believed
Number by the 8th resistance R8 arrive the 6th audion Q6 base stage so that the current collection of the 6th audion Q6
Turn between pole and emitter stage.The most after shut down, the high level of delay circuit 102 output can be by the 6th
Audion Q6 and ground connection, the voltage on the 9th capacitor C9 is discharged by the 6th audion Q6, makes
Obtain the 5th audion Q5 to be not turned on, then reset signal output circuit 103 outfan is i.e. shown in Fig. 3
RESET end is high level signal, the System on Chip/SoC of electronic equipment not as.I.e. at the 5th audion Q5
After being not turned on, the second capacitor C2 is filled by the internal operating voltages end of electronic equipment by the first resistance R1
Electricity, after the second capacitor C2 charging complete, exports high level to RESET end.
When user wishes in shutdown, the system of electronic equipment is resetted, reset control circuit 104
Input input one low level so that the 6th audion Q6 is not turned on；Delay circuit 102 is closing
After machine, the high level signal of output makes to turn between emitter stage and the colelctor electrode of the 5th audion Q5, makes
Obtaining RESET end is low level signal, and the System on Chip/SoC of electronic equipment is according to the low level signal pair of input
The system of electronic equipment resets.
In the above embodiment of the present invention, the 6th audion Q6 is NPN type triode, the five or three pole
Pipe Q5 is NPN type triode.
In sum, the invention provides a kind of automatic reset device, this device includes detecting electronic equipment
Starting-up signal and the switching on and shutting down signal deteching circuit of off signal；With described switching on and shutting down signal deteching circuit
Connect, and when described switching on and shutting down signal deteching circuit detects off signal, the time delay regular length time
After give notice the delay circuit of signal；It is connected with described delay circuit, and is receiving described notification signal
The reset signal output circuit of reset signal is exported to the System on Chip/SoC of described electronic equipment.The present invention provides
Technical scheme by use capacitor charge and discharge principle, substitute mechanical switch realize system auto-reset function.
By using electronic devices and components, automatically detect off signal；Utilize capacitor charge and discharge time delay, it is possible to often
After secondary shutdown, time delay is specified the time to realize the system of electronic equipment and is automatically reset.Judge without user
The reason of generation problem and corresponding manual operation, design more hommization.Further, the present invention is used to provide
Automatic reset device, it is not necessary to increase reset button switch on product so that use the electronics of the present invention to set
Attractive in appearance and the small design of standby holding.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the protection model of the present invention
Enclose.All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, all
Comprise within the scope of the present invention.
Claims (7)
1. an automatic reset device, it is characterised in that including:
The starting-up signal of detection electronic equipment and the switching on and shutting down signal deteching circuit of off signal；
It is connected with described switching on and shutting down signal deteching circuit, and detects at described switching on and shutting down signal deteching circuit
During off signal, time delay is given notice after the regular length time delay circuit of signal；
It is connected with described delay circuit, and to the system of described electronic equipment after receiving described notification signal
The reset signal output circuit of chip output reset signal；
Described switching on and shutting down signal deteching circuit includes: the 3rd resistance, the 4th field effect transistor；
Described one end of 3rd resistance is connected with the switching on and shutting down signal end of described electronic equipment, the other end and
The grid of four field effect transistor connects；
The grounded drain of described 4th field effect transistor, the source electrode of described 4th field effect transistor is with delay circuit even
Connect；
Described delay circuit includes: the 5th resistance, the 7th resistance and the 9th capacitor；
Described one end of 5th resistance is connected with the internal operating voltages end of described electronic equipment, and the described 5th
The other end of resistance and the source electrode of the 4th field effect transistor connect；
Described one end of 7th resistance is connected with the source electrode of the 4th field effect transistor, another of described 7th resistance
End is connected with one end of the 9th capacitor, the other end ground connection of the 9th capacitor；
Described reset signal output circuit includes: the tenth resistance, the 9th resistance, the 5th audion, first
Resistance and the second capacitor；
One end of described tenth resistance is connected with the other end of described 7th resistance, the other end of the tenth resistance
It is connected with the base stage of the 5th audion；
One end of 9th resistance is connected with the base stage of the 5th audion, the other end and the five or three of the 9th resistance
The emitter stage of pole pipe connects；
The grounded emitter of the 5th audion, the colelctor electrode of the 5th audion and the System on Chip/SoC of electronic equipment
Connect；
One end of first resistance is connected with the internal operating voltages end of described electronic equipment, the first resistance another
One end is connected with the colelctor electrode of the 5th audion；
One end ground connection of the second capacitor, the other end of the second capacitor and the colelctor electrode of the 5th audion are even
Connect.
Device the most according to claim 1, it is characterised in that described switching on and shutting down signal deteching circuit
Also include: diode and bi-directional voltage stabilizing pipe；
The positive pole of described diode is connected with the drain electrode of described 4th field effect transistor, the negative pole of described diode
It is connected with the source electrode of described 4th field effect transistor；
One end of described bi-directional voltage stabilizing pipe is connected with the grid of the 4th field effect transistor, described bi-directional voltage stabilizing pipe
The drain electrode of the other end and the 4th field effect transistor connects.
Device the most according to claim 1, it is characterised in that described device also includes:
It is connected with reset signal output circuit, controls the output of described reset signal according to the control signal of input
The reset control circuit of the output of the reset signal of circuit.
Device the most according to claim 3, it is characterised in that described reset control circuit includes:
8th resistance and the 6th audion；
One end of described 8th resistance is connected with control signal input, the other end and the 6th of the 8th resistance
The base stage of audion connects；
The colelctor electrode of described 6th audion and the other end of the 7th resistance connect, the transmitting of the 6th audion
Pole ground connection.
Device the most according to claim 4, it is characterised in that described 4th field effect transistor is N
Channel field-effect pipe.
Device the most according to claim 5, it is characterised in that described 6th audion is NPN
Type audion.
Device the most according to claim 6, it is characterised in that described 5th audion is NPN
Type audion.
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| CN201310246660.3A CN103338029B (en) | 2013-06-20 | 2013-06-20 | A kind of automatic reset device |
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| CN201310246660.3A CN103338029B (en) | 2013-06-20 | 2013-06-20 | A kind of automatic reset device |
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| CN103338029B true CN103338029B (en) | 2016-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104483879A (en) * | 2014-12-12 | 2015-04-01 | 福建联迪商用设备有限公司 | Device and method for controlling response time of power switch |
| CN104883164B (en) * | 2015-05-07 | 2018-09-04 | 青岛歌尔声学科技有限公司 | A kind of reset circuit and electronic equipment with the circuit |
| CN108539970A (en) * | 2018-05-23 | 2018-09-14 | 杭州先临爱打印科技有限公司 | Smart electronics power switch and the 3D printer for configuring the switch |
| CN110262608A (en) * | 2019-06-27 | 2019-09-20 | 惠州市德赛西威汽车电子股份有限公司 | A kind of circuit reducing display screen quiescent current |
| CN110888355B (en) * | 2019-11-21 | 2021-04-13 | 宁波麦度智联科技股份有限公司 | Low-power-consumption control circuit and control method for door sensor |
| CN114024529A (en) * | 2022-01-07 | 2022-02-08 | 南京易科腾信息技术有限公司 | Signal delay circuit, reset device and electronic equipment |
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| CN203387480U (en) * | 2013-06-20 | 2014-01-08 | 歌尔声学股份有限公司 | Automatic reset device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61269413A (en) * | 1985-05-23 | 1986-11-28 | Seiko Epson Corp | Automatic reset circuit |
-
2013
- 2013-06-20 CN CN201310246660.3A patent/CN103338029B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310242A1 (en) * | 1983-03-22 | 1984-09-27 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Circuit arrangement for surge-voltage protection, with an automatic reset |
| CN101556778A (en) * | 2008-04-11 | 2009-10-14 | 北京京东方光电科技有限公司 | Method for optimizing display effect at power off and circuit thereof |
| CN103095266A (en) * | 2011-10-28 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | Opening and closing machine circuit adopting reset chip |
| CN203387480U (en) * | 2013-06-20 | 2014-01-08 | 歌尔声学股份有限公司 | Automatic reset device |
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|---|---|
| CN103338029A (en) | 2013-10-02 |
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