CN105472281A - Device standby circuit, television standby circuit and television - Google Patents

Device standby circuit, television standby circuit and television Download PDF

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Publication number
CN105472281A
CN105472281A CN201511010859.1A CN201511010859A CN105472281A CN 105472281 A CN105472281 A CN 105472281A CN 201511010859 A CN201511010859 A CN 201511010859A CN 105472281 A CN105472281 A CN 105472281A
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China
Prior art keywords
circuit
standby
signal
control circuit
connects
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Granted
Application number
CN201511010859.1A
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Chinese (zh)
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CN105472281B (en
Inventor
董坤
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Goertek Inc
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Goertek Inc
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Priority to CN201511010859.1A priority Critical patent/CN105472281B/en
Publication of CN105472281A publication Critical patent/CN105472281A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/63Generation or supply of power specially adapted for television receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42221Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42224Touch pad or touch panel provided on the remote control

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention discloses a device standby circuit, a television standby circuit and a television, which realize a standby control mode that is long lasting, low in cost and good in experience effect. The device standby circuit comprises a signal transmitting and receiving circuit, a comparison circuit, an edge trigger and a switch control circuit; the signal transmitting and receiving circuit comprises a signal transmitter and a signal receiver; a first input end of the comparator circuit is connected with a power supply, a second input end of the comparator circuit is connected with a signal output end of the signal receiver, an output end of the comparator circuit is connected with an input end and a trigger input end of the edge trigger, the output end of the edge trigger is connected with a control end of the switch control circuit, the input end of the switch control circuit is connected with a standby trigger signal source, and the output end of the switch control circuit is connected with a standby control circuit; and when the switch control circuit is turned on, the standby control circuit can receive a standby trigger signal to control the standby or startup of the device.

Description

Device standby circuit, television standby circuit and TV
Technical field
The invention belongs to technical field of circuit design, specifically, relate to a kind of device standby circuit, television standby circuit and TV.
Background technology
The standby of equipment has two kinds of implementations usually, and a kind of is by the standby of remote controller control device and startup, and another kind is that the switch key on operating equipment realizes.
Switch key is mechanical key, and press the problem that there will be button and damage for a long time, although touch key-press can avoid mechanical key owing to pressing the insensitive problem occurred for a long time, cost is high, and it is limited to touch effect.
Summary of the invention
This application provides a kind of device standby circuit, television standby circuit and TV, binding signal is launched and Signal reception, by touch signal reflector and signal receiver, realize a kind of long-acting, cost is low and the Opportunity awaiting control for linear mode that experience effect is good.
For solving the problems of the technologies described above, the application is achieved by the following technical solutions:
Propose a kind of device standby circuit, comprise readiness control circuit, signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit; Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects input and the trigger input of described edge triggered flip flop, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; During described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with the standby of control appliance or start.
Further, described device standby circuit also comprises equipment governor circuit and frequency selection circuit; The input of described frequency selection circuit connects the signal output part of described signal receiver, and the output of described frequency selection circuit connects an I/O port of described equipment governor circuit; The another I/O port of described equipment governor circuit connects described readiness control circuit; The frequency-selecting carrier wave that described equipment governor circuit exports based on described frequency selection circuit output, exports standby triggering signal to described readiness control circuit, makes the standby of described readiness control circuit control appliance or start.
Further, described signal projector and signal receiver are installed on inside device housings, and on shell, relative installation offers beam orifice; And the relatively described signal projector of described signal receiver is installed near device interior.
Further, described comparison circuit comprises comparator; The in-phase input end of described comparator is the first input end of described comparison circuit, connects power supply by pull-up resistor, by pull down resistor ground connection; The inverting input of described comparator is the second input of described comparison circuit; The output of described comparator is the output of described comparison circuit, is connected trigger input and the input of described edge triggered flip flop by current-limiting resistance.
Further, described edge triggered flip flop is edge D flip-flop.
Further, described ON-OFF control circuit comprises optocoupler and NMOS tube; The input of described optocoupler connects the output of described edge triggered flip flop by current-limiting resistance, the output of described optocoupler connects the grid of described NMOS tube and described readiness control circuit by current-limiting resistance, and the source electrode of described NMOS tube is by pull down resistor ground connection; Described optocoupler also connects described standby trigger signal source by current-limiting resistance, and the drain electrode of described NMOS tube connects described standby trigger signal source.
Further, described ON-OFF control circuit also comprises protection diode, and the positive pole of described protection diode connects the source electrode of described NMOS tube, and the negative pole of described protection diode is by current-limiting resistance ground connection.
Propose a kind of television standby circuit, comprise above-mentioned device standby circuit.Device standby circuit comprises readiness control circuit, signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit; Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects input and the trigger input of described edge triggered flip flop, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; During described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with the standby of control appliance or start.
Propose a kind of TV, comprise above-mentioned television standby circuit.Television standby circuit comprises readiness control circuit, signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit; Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects input and the trigger input of described edge triggered flip flop, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; During described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with the standby of control appliance or start.
Further, described signal projector and signal receiver are installed on the remote-control indicating lamp place of TV.
Compared with prior art, advantage and the good effect of the application are: the embodiment of the present application proposes a kind of device standby circuit, television standby circuit and TV, existing readiness control circuit basis increases signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit, when user needs control appliance standby, use the case surface of hand touch signal reflector and signal receiver installation site, the holding wire that signal projector is launched returns by the stop of hand, the signal returned is received by signal receiver, and then the signal of telecommunication of signal receiver output is loaded into the second input of comparison circuit, comparison circuit exports the voltage of saltus step thus, edge triggered flip flop is made to export high level, and then make ON-OFF control circuit conducting, ON-OFF control circuit after conducting inputs standby touch signal, after readiness control circuit receives this standby touch signal, control appliance transfers to standby from open state, or transfers start work to from holding state.Visible, the device standby circuit that the embodiment of the present application proposes, as long as with the position at hand touch signal reflector and signal receiver place, the control to device standby or start can be realized, compare touch key-press, this be similar to operation touch key-press Opportunity awaiting control for linear mode cost low, compared to mechanical key, this Opportunity awaiting control for linear mode uses long-acting not fragile, achieve a kind of long-acting, cost is low and the Opportunity awaiting control for linear mode that experience effect is good.
And in the embodiment of the present application, after adding equipment governor circuit and frequency selection circuit, the control signal that frequency selection circuit can select remote controller to launch, get rid of user and block with hand the signal that signal projector returns, and the control signal that the remote controller of selection is launched is sent to equipment governor circuit, equipment governor circuit sends standby triggering signal to readiness control circuit after implementing judgement decoding, readiness control circuit is according to the standby of standby triggering signal control appliance or start, this makes stand-by circuit can also receive the control command of the standby or start that remote controller is launched, improve the practicality of device standby circuit.
After reading the detailed description of the application's execution mode by reference to the accompanying drawings, other features of the application and advantage will become clearly.
Accompanying drawing explanation
Fig. 1 is the circuit frame figure of the device standby circuit that the embodiment of the present application proposes;
Fig. 2 is the circuit frame figure of the device standby circuit that the embodiment of the present application proposes;
Fig. 3 is the concrete implementing circuit figure of one of the device standby circuit that the embodiment of the present application proposes.
Embodiment
Be described in more detail below in conjunction with the embodiment of accompanying drawing to the application.
As shown in Figure 1, be the circuit block diagram of device standby circuit that the embodiment of the present application proposes, equipment be existing any one possess the electronic installation of idle function, the such as electronic product such as TV, Set Top Box.
This device standby circuit comprises readiness control circuit U5, signal transceiver circuit, comparison circuit U1, edge triggered flip flop U2 and ON-OFF control circuit 11.
Signal transceiver circuit comprises signal projector D1 and signal receiver D2; The first input end of comparison circuit connects power supply VCC, the signal output part of the second input connection signal receiver D2 of comparison circuit, the output of comparison circuit connects input D and the trigger input CP of edge triggered flip flop U2, the control end Ctl of the output connecting valve control circuit of edge triggered flip flop U2, the input of ON-OFF control circuit connects standby trigger signal source Sig_standby, and the output of ON-OFF control circuit 11 connects readiness control circuit U5; During ON-OFF control circuit 11 conducting, make readiness control circuit U5 can receive standby triggering signal, with the standby of control appliance or start, also, when device power-up, control appliance is standby, and when device standby, control appliance is started shooting.
Signal projector D1 and signal receiver D2 is installed on inside device housings, and on shell, relative installation offers beam orifice; And signal receiver relative signal reflector is installed near device interior.This signal receiver near inner setting, when user's hand blocks signal projector, can make signal receiver more easily receive the signal reflected relatively.
No matter equipment is in open state or holding state, signal projector launch signal be not subject to blocking return time, signal receiver makes the output level of comparison circuit that saltus step does not occur because of not receiving signal, then edge triggered flip flop output low level, ON-OFF control circuit disconnects the path of standby trigger signal source and readiness control circuit, and readiness control circuit is not worked.
User at needs control appliance standby or start time, use the case surface of hand touch signal reflector and signal receiver installation site, the signal that signal projector is launched returns by the stop of hand, the signal returned is received by signal receiver, and then signal receiver conducting, make the voltage drop of the second input being loaded into comparison circuit, comparison circuit exports saltus step level thus, edge triggered flip flop is made to export high level, and then make ON-OFF control circuit conducting, ON-OFF control circuit after conducting inputs standby touch signal, after readiness control circuit receives this standby touch signal, control appliance transfers to standby from open state, or transfer start work to from holding state.
Visible, the device standby circuit that the embodiment of the present application proposes, as long as with the position at hand touch signal reflector and signal receiver place, the control to device standby or start can be realized, compare touch key-press, this be similar to operation touch key-press Opportunity awaiting control for linear mode cost low, compared to mechanical key, this Opportunity awaiting control for linear mode uses long-acting not fragile, achieve a kind of long-acting, cost is low and the Opportunity awaiting control for linear mode that experience effect is good.
Above-mentioned, readiness control circuit is the standby triggering signal according to input, and facilities and equipments transfer to standby from start, or from the standby circuit transferring start to; Above-mentioned comparison circuit is the comparison according to two inputs, exports the circuit of high level or low level control signal; Above-mentioned ON-OFF control circuit be according to control end input high-level control signal or low level control signal, control inputs with export between the circuit being communicated with or blocking; The embodiment of the present application all will not limit.Above-mentioned signal projector and signal receiver, preferred infrared transmitter and infrared remote receiver.
The preferred edge D flip-flop of edge triggered flip flop, edge D flip-flop allows to trigger at CP to add input signal in a flash before coming, like this, the time that input is disturbed shortens greatly, the possibility being disturbed misoperation just greatly reduces, therefore, the circuit anti-interference be made up of edge D flip-flop is stronger, works more stable, reliable in practical work environment.
As shown in Figure 2, the device standby circuit that the embodiment of the present application proposes also comprises equipment governor circuit U4 and frequency selection circuit 12; The signal output part of the input connection signal receiver D2 of frequency selection circuit 12, an I/O port of the output connection device governor circuit U4 of frequency selection circuit 12; The another I/O port of equipment governor circuit U4 connects readiness control circuit U5; The frequency-selecting carrier wave that equipment governor circuit U4 exports based on frequency selection circuit 12 output, exports standby triggering signal to readiness control circuit, makes the standby of readiness control circuit control appliance or start.
Above-mentioned, in device standby circuit, add equipment governor circuit and frequency selection circuit, frequency selection circuit is set to the signal can selecting setpoint frequency, the 38KHZ infrared remote-controlled signal such as, used in existing TV.When user uses hand to block signal projector, what signal receiver received is the infrared signal of non-setpoint frequency, then frequency selection circuit will not be selected, device standby circuit is according to above-mentioned content efforts, user use the remote controller control device of equipment standby or start time, the infrared signal of what signal receiver received is setpoint frequency that remote controller launches, then first the infrared signal of setpoint frequency is transferred to equipment governor circuit by frequency selection circuit, and can not be triggered to comparison circuit.
Pass through frequency selection circuit, get rid of user and block with hand the signal that signal projector returns, and the control signal that the remote controller of selection is launched is sent to equipment governor circuit, equipment governor circuit sends standby triggering signal to readiness control circuit after implementing judgement decoding, readiness control circuit is according to the standby of standby triggering signal control appliance or start, this makes stand-by circuit can also receive the control command of the standby or start that remote controller is launched, and improves the practicality of device standby circuit.Frequency selection circuit selects any one can select the circuit of setpoint frequency signal, and the embodiment of the present application will not limit.
As shown in Figure 3, be a specific embodiment circuit diagram of the device standby circuit that the embodiment of the present application proposes, the signal projector in signal transceiver circuit and signal receiver select infrared transmitter and infrared remote receiver.Wherein, in signal transceiver circuit, infrared transmitter D1 connects power supply VCC by pull-up resistor R1, and infrared remote receiver D2 connects power supply VCC by pull-up resistor R2.
The signal output part of infrared remote receiver D2 connects the second input of comparison circuit by current-limiting resistance R15.
Comparison circuit is made up of comparator u1 and configuration circuit, and the in-phase input end of comparator is the first input end of comparison circuit, connects power supply VCC, by pull down resistor R7 ground connection by pull-up resistor R6; The inverting input of comparator is the second input of comparison circuit, is connected with infrared remote receiver D2 output by current-limiting resistance R15; The output of comparator is the output of comparison circuit, is connected trigger input CP and the input D of edge triggered flip flop U2 by current-limiting resistance R8.
ON-OFF control circuit comprises optocoupler U3 and NMOS tube Q1; The input 1 of optocoupler connects the output of edge triggered flip flop by current-limiting resistance R9, the output 4 of optocoupler U3 connects the grid of NMOS tube Q1 and the I/O port of readiness control circuit by current-limiting resistance R12, and the source electrode of NMOS tube Q1 is by pull down resistor R13 ground connection; The drain electrode that optocoupler U3 also connects standby trigger signal source Sig_standby, NMOS tube Q1 by current-limiting resistance R11 connects standby trigger signal source Sig_standby.
This ON-OFF control circuit also comprises protection diode D4, and the positive pole of protection diode D4 connects the source electrode of NMOS tube Q1, and the negative pole of protection diode D4 is by current-limiting resistance R13 ground connection.
Frequency selection circuit is made up of resistance R3, R4, R5 and electric capacity C1, C2 and C3; R3 one end is connected with R15 one end, and the other end is connected with R4, R4 other end ground connection; R5 one end connects one end that R3 and R15 connects, the I/O port of the other end connection device governor circuit of R5 and electric capacity C2 one end, and the electric capacity C2 other end connects C3 one end, C3 other end ground connection; Electric capacity C1 one end connects the junction of R3 and R4, and the other end connects the junction of C2 and C3.
No matter equipment is in open state or holding state, infrared transmitter D1 launch infrared ray be not subject to blocking return time, infrared remote receiver D2 because not receiving infrared signal by, by the configuration to resistance R2, R15 and R6, make the anti-phase input terminal voltage of comparator higher than in-phase input end voltage, then comparator output low level, make edge triggered flip flop U2 output low level, then optocoupler U3 and NMOS tube Q1 cut-off, make standby trigger signal source to input readiness control circuit, then readiness control circuit does not work.
User at needs control appliance standby or start time, hand is used to touch the case surface of infrared transmitter D1 and infrared remote receiver D2 installation site, the infrared ray that infrared transmitter is launched returns by the stop of hand, the infrared signal returned is received by infrared remote receiver D2, infrared remote receiver D2 opens, not the setpoint frequency of such as 38KHZ due to what receive, then frequency selection circuit does not work, because opening of infrared remote receiver, be loaded into the voltage drop of the inverting input of comparator, be less than in-phase input end voltage, then the output of comparator is high level output from low transition, edge triggered flip flop U2 is made to export high level, and then make optocoupler U3 and NMOS tube Q1 all conductings, and then conducting standby trigger signal source and readiness control circuit U5, make standby trigger signal source as standby triggering signal input readiness control circuit, after readiness control circuit receives this standby touch signal, control appliance transfers to standby from open state, or transfer start work to from holding state.
If user uses a teleswitch remote control equipment start or standby, the remote signal of setpoint frequency that then remote control sends is received by infrared remote receiver D2, due to the existence of frequency selection circuit, first the infrared signal received is transferred to equipment governor circuit U4 by frequency selection circuit, and comparator can not be triggered to, equipment governor circuit U4(can be the main control chip of equipment) judge decoding after more standby triggering signal is sent to readiness control circuit U5 by I/O port, after readiness control circuit receives standby triggering signal, control appliance transfers to standby from open state, or transfer start work to from holding state.
It should be noted that because standby triggering signal can be disconnected after being loaded into readiness control circuit again each time, so want to realize stable standby or power-on operation, need to pin infrared transmitter and infrared remote receiver certain hour realizes, such as 1 second.
Based on above-mentioned device standby circuit, the embodiment of the present application is for tv product, and propose the TV of a kind of television standby circuit and use television standby circuit, method for designing is identical with above-mentioned device standby circuit.In tv product, signal projector and signal receiver are preferably mounted at the remote-control indicating lamp place of TV, and user, when needs control television standby or start, only need touch indicator light and can realize the standby of TV or start.
The device standby circuit that above-mentioned the embodiment of the present application proposes and television standby circuit, cleverly signal projector and signal receiver are independently arranged on equipment simultaneously, the such as assigned address of TV body, such as indicator light place, wherein signal projector is near outside, signal receiver relatively near device interior more easily to receive the signal reflected, when needs control television standby or start, as long as touch indicator light place with hand, the signal emitted by reflected signal reflector is to signal receiver, realize controlling the standby of TV or start, but the remote signal that signal receiver normally receives remote controller transmission is not affected, the high-touch feature of " touch key-press " is achieved with low cost, useful life is long-acting, improve the experience of user, improve the product quality of TV.
It should be noted that; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.

Claims (10)

1. a device standby circuit, comprises readiness control circuit, it is characterized in that, also comprises signal transceiver circuit, comparison circuit, edge triggered flip flop and ON-OFF control circuit;
Described signal transceiver circuit comprises signal projector and signal receiver; The first input end of described comparison circuit connects power supply, second input of described comparison circuit connects the signal output part of described signal receiver, the output of described comparison circuit connects input and the trigger input of described edge triggered flip flop, the output of described edge triggered flip flop connects the control end of described ON-OFF control circuit, the input of described ON-OFF control circuit connects standby trigger signal source, and the output of described ON-OFF control circuit connects described readiness control circuit; During described ON-OFF control circuit conducting, make described readiness control circuit can receive standby triggering signal, with the standby of control appliance or start.
2. device standby circuit according to claim 1, is characterized in that, described device standby circuit also comprises equipment governor circuit and frequency selection circuit; The input of described frequency selection circuit connects the signal output part of described signal receiver, and the output of described frequency selection circuit connects an I/O port of described equipment governor circuit; The another I/O port of described equipment governor circuit connects described readiness control circuit;
The frequency-selecting carrier wave that described equipment governor circuit exports based on described frequency selection circuit output, exports standby triggering signal to described readiness control circuit, makes the standby of described readiness control circuit control appliance or start.
3. device standby circuit according to claim 1, is characterized in that, described signal projector and signal receiver are installed on inside device housings, and on shell, relative installation offers beam orifice; And the relatively described signal projector of described signal receiver is installed near device interior.
4. device standby circuit according to claim 1, is characterized in that, described comparison circuit comprises comparator; The in-phase input end of described comparator is the first input end of described comparison circuit, connects power supply by pull-up resistor, by pull down resistor ground connection; The inverting input of described comparator is the second input of described comparison circuit; The output of described comparator is the output of described comparison circuit, is connected trigger input and the input of described edge triggered flip flop by current-limiting resistance.
5. device standby circuit according to claim 1, is characterized in that, described edge triggered flip flop is edge D flip-flop.
6. device standby circuit according to claim 1, is characterized in that, described ON-OFF control circuit comprises optocoupler and NMOS tube;
The input of described optocoupler connects the output of described edge triggered flip flop by current-limiting resistance, the output of described optocoupler connects the grid of described NMOS tube and described readiness control circuit by current-limiting resistance, and the source electrode of described NMOS tube is by pull down resistor ground connection; Described optocoupler also connects described standby trigger signal source by current-limiting resistance, and the drain electrode of described NMOS tube connects described standby trigger signal source.
7. device standby circuit according to claim 6, is characterized in that, described ON-OFF control circuit also comprises protection diode, and the positive pole of described protection diode connects the source electrode of described NMOS tube, and the negative pole of described protection diode is by current-limiting resistance ground connection.
8. a television standby circuit, is characterized in that, comprises the device standby circuit as described in any one of claim 1-7.
9. a TV, is characterized in that, comprises television standby circuit as claimed in claim 8.
10. TV according to claim 9, is characterized in that, described signal projector and signal receiver are installed on the remote-control indicating lamp place of TV.
CN201511010859.1A 2015-12-30 2015-12-30 Device standby circuit, television standby circuit and TV Active CN105472281B (en)

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CN104238421A (en) * 2014-09-16 2014-12-24 福建捷联电子有限公司 Method and circuit for achieving electronic product zero power consumption standby
CN104301643A (en) * 2014-09-22 2015-01-21 青岛歌尔声学科技有限公司 Television LLC topology direct standby low-power-dissipation circuit
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