CN1735169A - Method and circuit for controlling TV set on-off - Google Patents
Method and circuit for controlling TV set on-off Download PDFInfo
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- CN1735169A CN1735169A CN 200510020998 CN200510020998A CN1735169A CN 1735169 A CN1735169 A CN 1735169A CN 200510020998 CN200510020998 CN 200510020998 CN 200510020998 A CN200510020998 A CN 200510020998A CN 1735169 A CN1735169 A CN 1735169A
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Abstract
The method to control TV turn on or down in this invention comprises, on condition that TV is on receiving digital TV mode or stand-by, detecting real-time whether there is video signal input the AV port of TV; if yes, allowing TV turn on automatically and enter AV state; or else, making TV be stand-by state. User just needs to use remote controller of STB to realize the said control conveniently.
Description
[technical field]
The present invention relates to field of television.
[background technology]
Digital Television will obtain development very rapidly at these 2 years, and Zhong Guo spectators will be at television set under the state of AV by digital TV set-top box and watch high-quality digital program when the time comes, and AV audio frequency and video input signal comes from set-top box.Before anolog TV signals are not broken fully, two machines separate the selection that will be inevitable, when watching Digital Television in this manner, when watching program, the user need hold television set and set-top box remote controller separately remote-controlled start-up respectively, make television set forward the AV state to TV remote controller then, then need when stopping to watch to shut down with two kinds of remote controllers respectively, thereby make the switching on and shutting down operation very loaded down with trivial details.
[summary of the invention]
The object of the present invention is to provide a kind of control circuit and the control method that can simplify the TV power on and off operation.
The object of the present invention is achieved like this: the method for this control TV power on and off is to be under the state of receiving digital television pattern and standby at television set, whether the AV port that detects television set in real time has the vision signal input, as detect the AV port vision signal input is arranged, then make the television set Auto Power On and enter the AV state; As do not detect the AV port vision signal input is arranged, then make television set be in holding state.
The step that described television set carries out vision signal input detection is as follows: the voltage that 1) compares its two input by voltage comparator circuit; 2) according to comparative result, voltage comparator circuit is by its output output high level or the low level microprocessor to television set, and during the output high level, microprocessor makes television set be in holding state, during output low level, microprocessor makes the television set Auto Power On and enters the AV state.
Described television set also detects television set in real time and whether receives the Opportunity awaiting control for linear signal, as detect the Opportunity awaiting control for linear signal, then make television set enter holding state, as do not detect the Opportunity awaiting control for linear signal, then make television set keep former receiving digital television pattern or reception simulated television pattern.
Be at television set under the state of receiving digital television pattern and standby, detect television set in real time and whether receive the start control signal, as detected the input of start control signal, then make television boot-strap and enter the TV state.
The circuit of this control TV power on and off comprises microprocessor and connected video signal detection circuit, the video signal detection circuit comprises peak detection circuit, reference voltage generating circuit and voltage comparator circuit, the input of the peak detection circuit top box of meeting sb. at the airport, its output connects voltage comparator circuit, the output of reference voltage generating circuit also connects voltage comparator circuit, the output of voltage comparator circuit connects microprocessor, be under standby and the receiving digital television pattern at television set, when having made the vision signal input, the voltage comparator circuit output low level is to microprocessor, and microprocessor makes television boot-strap and enters the AV state; When no video signal was imported, voltage comparator circuit output high level was to microprocessor, and this microprocessor makes television set enter holding state.
Compared with prior art, the present invention has following advantage: because television set is when receiving digital television signal pattern and holding state, be by whether having vision signal input to control the switching on and shutting down of television set, so the user only need utilize set-top box remote controller can realize simultaneously the switching on and shutting down of set-top box and television set are controlled, it is very convenient that the user is operated.
[description of drawings]
Fig. 1 be the present invention flow chart.
Fig. 2 is the oscillogram of vision signal of the present invention.
Fig. 3 is that the present invention detects the schematic block circuit diagram when whether the vision signal input is arranged.
Fig. 4 is that the present invention detects the circuit diagram when whether the vision signal input is arranged.
[embodiment]
See also Fig. 1, a kind of method of controlling TV power on and off of the present invention is to be under the state of receiving digital television pattern and standby at television set, detect in real time the AV port of television set, as detect the AV port vision signal input is arranged, then make the television set Auto Power On and enter the AV state; As do not detect the AV port vision signal input is arranged, then make television set enter holding state.Television set can be set to the AV state of receiving digital television signal and receive the TV state of anolog TV signals, when receiving state control signal, television set can carry out the switching between receiving digital television pattern and the reception simulated television pattern, this state control signal makes " whether detecting AV video input signals flag bit " reset or the set in the television boot-strap program, when this state control signal makes the flag bit set, promptly be equivalent to enable and detect the function that has or not the vision signal input, thereby make television set be in the receiving digital television pattern; When this state control signal makes this flag bit reset, promptly be equivalent to close and detect the function that has or not the vision signal input, thereby being in, television set receives the simulated television pattern.Described holding state also can be described as off-mode.
Method of the present invention can comprise following process: be under receiving digital television pattern and the holding state at television set, detect television set in real time and whether receive the start control signal: 1) receive the start control signal as television set, then television set is closed and is detected the function that has or not the vision signal input, make television boot-strap and enter the TV state, this start control signal can be for by the remote-controlled start-up instruction of remote controller output or the start-up command of TV set panel button; 2) do not receive the start control signal as television set, whether the AV port that then detects television set has the input of AV vision signal, if any the vision signal input, then makes the television set Auto Power On and enters the AV state; As do not have the input of video signal, then make television set be in holding state.
In addition, no matter television set is under AV or the TV state, television set all detects whether receive the Opportunity awaiting control for linear signal in real time, and this real-time detecting operation comprises following process: 1) whether detection in real time receives the Opportunity awaiting control for linear signal, as detect and remain machine control signal, then make television set enter holding state; As not detecting the Opportunity awaiting control for linear signal, then detecting television set is receiving digital television pattern or reception simulated television pattern, when television set is the receiving digital television pattern, then continue to detect whether receive the AV vision signal, have the vision signal input then to enter AV vision signal broadcast state, no video signal input then makes television set enter holding state; When television set for receiving the simulated television pattern, then television set keeps original AV or TV state.
Please in conjunction with consulting Fig. 2 to Fig. 4, among the present invention, television set has microprocessor and connected video signal detection circuit, the video signal detection circuit comprises peak detection circuit 2, reference voltage generating circuit 1 and voltage comparator circuit 3, the input of peak detection circuit 2 top box of meeting sb. at the airport, its output connects voltage comparator circuit 3, and the output of reference voltage generating circuit 1 also connects voltage comparator circuit 3, and the output of voltage comparator circuit 3 connects microprocessor.AV video from the set-top box input is exported a voltage behind the signal process peak detection circuit frequently, voltage comparator circuit compares the reference voltage of this voltage and reference voltage generating circuit output, and export a level signal to microprocessor, when the AV vision signal is imported, then the voltage comparator circuit output low level is to microprocessor, and microprocessor makes the television set Auto Power On and enters the AV state; When no video signal was imported, then voltage comparator circuit output high level was to microprocessor, and microprocessor makes television set be in holding state.
Enter the peak detection circuit of forming by diode D1, capacitor C 1 and resistance R 3 from the vision signal of set-top box output, the sync level 11 of going as shown in Figure 2 is minimum, colour burst 21 all is higher than blanking level 41 with carrier chrominance signal 31 through behind the peak detection circuit, luminance signal 51 always is higher than blanking level 41, and the time always very short (can ignore) that sync level occurs, so no matter be any picture material, vision signal always is higher than blanking level through behind the peak detection circuit, and this level that slowly changes enters 2 pin of LM324 comparator.R1, R2 process dividing potential drop is a little less than blanking level, dividing potential drop gained reference level enters 3 pin of comparator, the 1 pin output low level of LM324 was given the microprocessor of television set when therefore the vision signal input was arranged, 2 pin of LM324 are 0V during no signal, 1 pin is then exported high level to microprocessor, so microprocessor can detect just whether the vision signal input is arranged.In the present embodiment, comparator is a voltage comparator circuit.
Claims (5)
1. method of controlling TV power on and off, it is characterized in that: be at television set under the state of receiving digital television pattern and standby, whether the AV port that detects television set in real time has the vision signal input, as detect the AV port vision signal input is arranged, then make the television set Auto Power On and enter the AV state; As do not detect the AV port vision signal input is arranged, then make television set be in holding state.
2. a kind of method of controlling TV power on and off as claimed in claim 1 is characterized in that: the step that described television set carries out vision signal input detection is as follows: the voltage that 1) compares its two input by voltage comparator circuit; 2) according to comparative result, voltage comparator circuit is by its output output high level or the low level microprocessor to television set, and during the output high level, microprocessor makes television set be in holding state, during output low level, microprocessor makes the television set Auto Power On and enters the AV state.
3. a kind of method of controlling TV power on and off as claimed in claim 1 or 2, it is characterized in that: described television set also detects television set in real time and whether receives the Opportunity awaiting control for linear signal, as detect the Opportunity awaiting control for linear signal, then make television set enter holding state, as do not detect the Opportunity awaiting control for linear signal, then make television set keep former receiving digital television pattern or reception simulated television pattern.
4. a kind of method of controlling TV power on and off as claimed in claim 1 or 2, it is characterized in that: be at television set under the state of receiving digital television pattern and standby, detect television set in real time and whether receive the start control signal, as detected the input of start control signal, then make television boot-strap and enter the TV state.
5. circuit of controlling TV power on and off, it is characterized in that: comprise microprocessor and connected video signal detection circuit, the video signal detection circuit comprises peak detection circuit, reference voltage generating circuit and voltage comparator circuit, the input of the peak detection circuit top box of meeting sb. at the airport, its output connects voltage comparator circuit, the output of reference voltage generating circuit also connects voltage comparator circuit, the output of voltage comparator circuit connects microprocessor, be under standby and the receiving digital television pattern at television set, when having made the vision signal input, the voltage comparator circuit output low level is to microprocessor, and microprocessor makes television boot-strap and enters the AV state; When no video signal was imported, voltage comparator circuit output high level was to microprocessor, and this microprocessor makes television set enter holding state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510020998 CN1735169A (en) | 2005-05-26 | 2005-05-26 | Method and circuit for controlling TV set on-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510020998 CN1735169A (en) | 2005-05-26 | 2005-05-26 | Method and circuit for controlling TV set on-off |
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| CN1735169A true CN1735169A (en) | 2006-02-15 |
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| CN 200510020998 Pending CN1735169A (en) | 2005-05-26 | 2005-05-26 | Method and circuit for controlling TV set on-off |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848280A (en) * | 2009-03-25 | 2010-09-29 | 深圳富泰宏精密工业有限公司 | System and method for saving power for silently playing music |
| CN101005631B (en) * | 2007-01-09 | 2010-10-06 | 四川长虹电器股份有限公司 | Vide frequency display device signal detecting method and its circuit |
| CN101398674B (en) * | 2007-09-28 | 2011-04-27 | 群康科技(深圳)有限公司 | Electric power circuit and control method thereof |
| CN102075706A (en) * | 2009-11-24 | 2011-05-25 | 康佳集团股份有限公司 | Automatic television awakening method, circuit and television |
| CN102655574A (en) * | 2011-03-01 | 2012-09-05 | 联想(北京)有限公司 | Device for controlling display equipment, method for controlling television and television |
| CN101729830B (en) * | 2008-10-17 | 2012-10-17 | 深圳Tcl新技术有限公司 | Audio-video device with hybrid standby mode and implementation method thereof |
| CN103051853A (en) * | 2012-12-15 | 2013-04-17 | 广东长虹电子有限公司 | Method for controlling intelligent standby of audio and video output equipment |
| CN101860658B (en) * | 2009-04-10 | 2013-05-08 | 深圳Tcl新技术有限公司 | Device for linkage between ON/OFF of set-top box and television |
| CN103188542A (en) * | 2013-03-15 | 2013-07-03 | 深圳创维数字技术股份有限公司 | Method and system for controlling television (TV) terminal, and digital TV set-top box |
| CN103514710A (en) * | 2012-06-29 | 2014-01-15 | 成都高新减灾研究所 | Earthquake warning information broadcast method based on television set top box |
| CN104363513A (en) * | 2014-11-12 | 2015-02-18 | 无锡科思电子科技有限公司 | Automatic-switching smart television |
| CN104469463A (en) * | 2014-12-26 | 2015-03-25 | 山东泰信电子股份有限公司 | Automatic standby method for set top box and television |
| CN106960662A (en) * | 2016-01-12 | 2017-07-18 | 深圳多哚新技术有限责任公司 | A kind of display methods of display device, display device and Virtual Reality system |
| WO2017120749A1 (en) * | 2016-01-12 | 2017-07-20 | 深圳多哚新技术有限责任公司 | Display method for display apparatus, display apparatus and virtual reality (vr) system |
| CN111447498A (en) * | 2019-12-04 | 2020-07-24 | 海信视像科技股份有限公司 | Awakening method of display equipment and display equipment |
-
2005
- 2005-05-26 CN CN 200510020998 patent/CN1735169A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005631B (en) * | 2007-01-09 | 2010-10-06 | 四川长虹电器股份有限公司 | Vide frequency display device signal detecting method and its circuit |
| CN101398674B (en) * | 2007-09-28 | 2011-04-27 | 群康科技(深圳)有限公司 | Electric power circuit and control method thereof |
| US8013581B2 (en) | 2007-09-28 | 2011-09-06 | Chimei Innolux Corporation | Power supply circuit with stand-by control circuit and energy storage circuit |
| CN101729830B (en) * | 2008-10-17 | 2012-10-17 | 深圳Tcl新技术有限公司 | Audio-video device with hybrid standby mode and implementation method thereof |
| CN101848280A (en) * | 2009-03-25 | 2010-09-29 | 深圳富泰宏精密工业有限公司 | System and method for saving power for silently playing music |
| CN101860658B (en) * | 2009-04-10 | 2013-05-08 | 深圳Tcl新技术有限公司 | Device for linkage between ON/OFF of set-top box and television |
| CN102075706A (en) * | 2009-11-24 | 2011-05-25 | 康佳集团股份有限公司 | Automatic television awakening method, circuit and television |
| CN102655574A (en) * | 2011-03-01 | 2012-09-05 | 联想(北京)有限公司 | Device for controlling display equipment, method for controlling television and television |
| CN102655574B (en) * | 2011-03-01 | 2015-11-25 | 联想(北京)有限公司 | A kind of device, the method controlling TV and television set controlling display device |
| CN103514710A (en) * | 2012-06-29 | 2014-01-15 | 成都高新减灾研究所 | Earthquake warning information broadcast method based on television set top box |
| CN103514710B (en) * | 2012-06-29 | 2016-12-21 | 成都高新减灾研究所 | A kind of earthquake pre-warning information broadcasting method based on TV set-top box |
| CN103051853A (en) * | 2012-12-15 | 2013-04-17 | 广东长虹电子有限公司 | Method for controlling intelligent standby of audio and video output equipment |
| CN103188542A (en) * | 2013-03-15 | 2013-07-03 | 深圳创维数字技术股份有限公司 | Method and system for controlling television (TV) terminal, and digital TV set-top box |
| CN103188542B (en) * | 2013-03-15 | 2016-12-28 | 深圳创维数字技术有限公司 | A kind of control the method for television terminal, system and DTV STB |
| CN104363513A (en) * | 2014-11-12 | 2015-02-18 | 无锡科思电子科技有限公司 | Automatic-switching smart television |
| CN104469463A (en) * | 2014-12-26 | 2015-03-25 | 山东泰信电子股份有限公司 | Automatic standby method for set top box and television |
| CN104469463B (en) * | 2014-12-26 | 2017-05-17 | 山东泰信电子股份有限公司 | Automatic standby method for set top box and television |
| CN106960662A (en) * | 2016-01-12 | 2017-07-18 | 深圳多哚新技术有限责任公司 | A kind of display methods of display device, display device and Virtual Reality system |
| WO2017120749A1 (en) * | 2016-01-12 | 2017-07-20 | 深圳多哚新技术有限责任公司 | Display method for display apparatus, display apparatus and virtual reality (vr) system |
| CN106960662B (en) * | 2016-01-12 | 2021-05-25 | 深圳多哚新技术有限责任公司 | Display method of display device, display device and Virtual Reality (VR) system |
| CN111447498A (en) * | 2019-12-04 | 2020-07-24 | 海信视像科技股份有限公司 | Awakening method of display equipment and display equipment |
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