CN109660846B - Device and method for controlling display state of television screen - Google Patents
Device and method for controlling display state of television screen Download PDFInfo
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- CN109660846B CN109660846B CN201811562269.3A CN201811562269A CN109660846B CN 109660846 B CN109660846 B CN 109660846B CN 201811562269 A CN201811562269 A CN 201811562269A CN 109660846 B CN109660846 B CN 109660846B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- Social Psychology (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Controls And Circuits For Display Device (AREA)
Abstract
A device and method for controlling the display state of a television screen. The invention relates to the technical field of display, and provides a method for controlling the display state of a television screen, aiming at the problem that a single infrared sensor cannot accurately sense whether a person advances in the television and cannot control the display state of the television screen; judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered or not and whether the corresponding sensing states change from the triggered state to the non-triggered state or not is judged, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode. The invention is suitable for frame televisions or automatically dormant televisions.
Description
Technical Field
The invention relates to the technical field of display, in particular to a device and a method for controlling a display state of a television screen.
Background
The development of the television industry tends to be stable, the television is not only an important household appliance, and the television can normally play contents when people watch the television and can be used as a picture frame to decorate or enter a sleep mode when no people watch the television.
The traditional method for controlling the display state of the television screen comprises the following two methods, namely: the microwave module is used for detecting whether a person watches the television, and although the human body can be detected, the cost is high, and the industrialization is difficult to realize by combining the microwave module with the television. The second method comprises the following steps: whether the television is watched by a person is detected by using a single infrared induction module, as shown in fig. 1, a single infrared induction module 2 is arranged in the middle of the television 1, and an area which is formed by the single infrared induction module 2 and can induce the human body heat radiation change in front of the television is an induction area 3, so that the motion situation of the person can comprise the following conditions in view that the infrared induction module can only induce the change of the human body heat radiation: case 1: when a human body enters from one side of the sensing area 3 and leaves from the other side, the single infrared sensing module 2 is triggered to output a high level after the human body enters, and the single infrared sensing module 2 outputs a low level after the human body leaves; case 2: when a person enters from the same side and leaves from the same side, the human body triggers the single infrared induction module 2 to output a high level after entering, and outputs a low level after leaving; case 3: however, when a human body enters from one side, the human body stays in the sensing area 3 and does not leave, if the human body continuously moves in the sensing area 3, the single infrared sensing module can output a high level, and the infrared sensing module can only sense the change of the heat radiation of the human body, and if the human body is still for a long time, the single infrared sensing module 2 can automatically output a low level after the preset delay time; the control module in the television 1 judges whether a person watches the television according to the fact that the level output by the single infrared sensing module 2 is low, and under the condition of the condition 3, if the human body is still for a long time, misjudgment can occur. That is to say, although the existing single infrared sensing module 2 has low cost, it is limited in that it can only sense the change of human body heat radiation and cannot realize the function of television screen protection well.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device and the method for controlling the display state of the television screen overcome the problem that whether a person moves forward on the television and cannot control the display state of the television screen can not be accurately sensed by adopting a single infrared sensor.
The invention solves the technical problems and adopts the technical scheme that:
the device for controlling the display state of the television screen comprises a control module and at least two infrared induction modules communicated with the control module, wherein all the infrared induction modules can induce the region with human body heat radiation change in front of the television to be an induction overlapping region, the control module is used for acquiring the induction states of all the infrared induction modules in real time when the television is in an open state, and when the induction states of all the infrared induction modules are triggered or the induction states of all the infrared induction modules are not triggered and the corresponding induction states change, the induction overlapping region is recovered to the non-triggered state from the triggered state at the same time to represent that the human body exists, and the television is controlled to normally display a playing program; and otherwise, controlling the television to enter an unmanned watching mode.
Further, the control module is further configured to determine whether the sensing states of all the infrared sensing modules are triggered or not after the control television normally displays the broadcast program for a preset working time period, or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding changes of the sensing states are all recovered to the non-triggered state from the triggered state at the same time, if yes, it represents that a human body exists in the sensing overlapping area, and the control television normally displays the broadcast program; otherwise, controlling the television to enter an unmanned watching mode.
Further, the control module is further configured to determine whether the sensing states of all the infrared sensing modules are triggered or not after the television is controlled to display a preset frame picture or enter a sleep mode for a preset screen saver time, or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding changes of the sensing states are recovered from the triggered state to the non-triggered state at the same time, if yes, the sensing overlap area indicates that a human body exists, and the television is controlled to normally display a playing program; otherwise, controlling the television to enter an unmanned watching mode.
Preferably, the corresponding infrared sensing module outputs a high level in the triggered state, and the corresponding infrared sensing module outputs a low level in the non-triggered state.
Preferably, the unattended viewing mode includes displaying a preset frame picture or entering a sleep mode.
The method applied to the device for controlling the display state of the television screen comprises the following steps:
A. when the television is in an open state, acquiring the sensing states of all infrared sensing modules in real time;
B. judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered or not and whether the corresponding sensing states change from the triggered state to the non-triggered state or not is judged, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
Further, the step B further includes: after the control television normally displays the playing program for a preset working time, judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding sensing states are changed and restored to the non-triggered state from the triggered state at the same time, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
Further, the step B further includes: after the television is controlled to display a preset picture frame picture or enter a sleep mode for presetting screen protection duration, judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding sensing state changes are recovered to the non-triggered state from the triggered state at the same time, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display a playing program; otherwise, controlling the television to enter an unmanned watching mode.
Preferably, the corresponding infrared sensing module outputs a high level in the triggered state, and the corresponding infrared sensing module outputs a low level in the non-triggered state.
Preferably, the unattended viewing mode includes displaying a preset frame picture or entering a sleep mode.
The invention has the beneficial effects that:
the triggered state refers to the state that the infrared sensing modules sense the change of human body heat radiation, the non-triggered state refers to the state that the infrared sensing modules do not sense the change of human body heat radiation, and when the sensing states of all the infrared sensing modules are triggered, the fact that a human body just enters a sensing overlapping area or the human body moves in the sensing overlapping area is indicated; when the human body stays still in the sensing overlapping area for a long time, all the infrared sensing modules are in an un-triggered state, the corresponding sensing states are all recovered to the un-triggered state from the triggered state, and the corresponding sensing state with the last state change is the state in which all the infrared sensing modules are triggered, that is, when the sensing states of all the infrared sensing modules are simultaneously recovered to the un-triggered state from the triggered state, the human body is located in the sensing overlapping area. In both cases, the television can be controlled to normally display the playing program by sensing the existence of a human body in the overlapping area on the surface, otherwise, the television can be controlled to enter an unmanned watching mode by indicating that no human body exists in the overlapping area, so that the problem that a single infrared sensor cannot judge the difference between the low level output when the human body is static in front of the television and the low level output when the human body leaves the television and further cannot judge whether the human body advances in the television or not and cannot control the display state of the television screen is solved.
Drawings
Fig. 1 is a diagram illustrating a conventional frame tv according to the background art of the present invention;
FIG. 2 is a flow chart of a method of an embodiment of the present invention;
fig. 3 is a schematic view of a frame television according to an embodiment of the present invention;
the television comprises a television 1, a single infrared sensing module 2, a sensing area 3, a first infrared sensing module 4, a second infrared sensing module 5, a first infrared sensing module A, a second infrared sensing module B, a first infrared sensing module C and a second infrared sensing module D, wherein the first infrared sensing module A can sense the change of human body thermal radiation, the second infrared sensing module B can sense the change of human body thermal radiation, the first infrared sensing module and the second infrared sensing module can both sense the change of human body thermal radiation, and the D is an area which is close to the first infrared sensing module and can not sense the change of human body thermal radiation; e is an area which is close to the second infrared sensing module and in which the first infrared sensing module and the second infrared sensing module cannot sense the change of the heat radiation of the human body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments.
The device for controlling the display state of the television screen comprises a control module and at least two infrared induction modules communicated with the control module, wherein all the infrared induction modules can induce the region with human body heat radiation change in front of the television to be an induction overlapping region, the control module is used for acquiring the induction states of all the infrared induction modules in real time when the television is in an open state, and when the induction states of all the infrared induction modules are triggered or the induction states of all the infrared induction modules are not triggered and the corresponding induction states change from the triggered state to the non-triggered state, the existence of a human body in the induction overlapping region is represented, and the television is controlled to normally display a playing program; and otherwise, controlling the television to enter an unmanned watching mode.
Wherein, the triggered state refers to the infrared sensing module sensing the change of human body heat radiation, the non-triggered state refers to the infrared sensing module not sensing the change of human body heat radiation, the control module can be located in the television, the infrared sensing module is used for testing whether the human body heat radiation changes in front of the television, the infrared sensing module can be located on the front side of the television, the current human body is judged whether to be static in the sensing overlapping area or not by changing the sensing state of all the infrared sensing modules from the triggered state to the non-triggered state synchronously, if the human body leaves the sensing overlapping area and does not leave the area where any infrared sensing module can sense the human body heat radiation change, some infrared sensing modules are in the non-triggered state, some infrared sensing modules are in the triggered state, if the human body completely leaves the area where all the infrared sensing modules can sense the human body heat radiation change, the sensing state of some infrared sensing modules is changed from a triggered state to an un-triggered state, and the sensing state of some infrared sensing modules is always in the un-triggered state at the corresponding moment, so that the human body can be completely distinguished in which stage.
In order to avoid frequent switching of a television display state from a television playing state to a picture frame state or a dormant state caused when a human body frequently enters or exits a sensing area of the infrared sensing module, the control module can be further used for judging whether the sensing states of all the infrared sensing modules are triggered or not after the television normally displays a playing program for a preset working time or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding sensing states are changed and recovered from the triggered state to the non-triggered state at the same time, if so, the human body exists in the sensing overlapping area, and the television is controlled to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
In order to avoid frequent switching of a television display state from a picture frame state or a sleep state to a television playing state caused when a human body frequently enters or exits a sensing area of the infrared sensing module, the control module can be further used for controlling the television to display a preset picture frame picture or enter the sleep mode for presetting screen protection duration, judging whether sensing states of all the infrared sensing modules are triggered or not or whether sensing states of all the infrared sensing modules are not triggered or whether corresponding sensing states are not triggered or not and whether the corresponding sensing states are changed or not is recovered from the triggered state to the non-triggered state, if so, indicating that a human body exists in a sensing overlapping area, and controlling the television to normally display a playing program; otherwise, controlling the television to enter an unmanned watching mode.
In order to facilitate the sensing state of the infrared sensing module, the corresponding infrared sensing module can output a high level in a triggered state, and the corresponding infrared sensing module can output a low level in an un-triggered state.
In order to meet the requirements of different users, the unmanned watching mode comprises displaying a preset picture frame picture or entering a sleep mode.
As shown in fig. 2, the method applied to the apparatus for controlling the display state of the tv screen includes the following steps:
A. when the television is in an open state, acquiring the sensing states of all infrared sensing modules in real time;
B. judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered or not and whether the corresponding sensing states change from the triggered state to the non-triggered state or not is judged, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
In order to avoid the frequent switching of the television display state from the television playing state to the picture frame state or the dormant state caused when the human body frequently enters or exits the sensing area of the infrared sensing module, the step B may further include: after controlling the television to normally display the playing program for a preset working time, judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding sensing states are recovered to be not triggered from the triggered state at the same time, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
In order to avoid frequent switching of the television display state from the picture frame state or the sleep state to the television play state caused when the human body frequently enters or exits the sensing area of the infrared sensing module, the step B may further include: after controlling the television to display a preset picture frame picture or entering a sleep mode for presetting screen saver time, judging whether the sensing states of all the infrared sensing modules are triggered or not or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding sensing state changes are recovered to the non-triggered state from the triggered state at the same time, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display a playing program; otherwise, controlling the television to enter an unmanned watching mode.
In order to facilitate the sensing state of the infrared sensing module, the corresponding infrared sensing module outputs a high level in a triggered state, and the corresponding infrared sensing module outputs a low level in an untriggered state.
In order to save the cost while solving the technical problem that single infrared induction module brought, infrared induction module is two.
Examples
As shown in fig. 3, the infrared sensing modules are two lower left corners and two lower right corners which are respectively arranged on the front surface of the television 1 and are respectively marked as a first infrared sensing module 4 and a second infrared sensing module 5, wherein a is a region where only the first infrared sensing module can sense the change of the thermal radiation of the human body, B is a region where only the second infrared sensing module can sense the change of the thermal radiation of the human body, C is a region where both the first infrared sensing module and the second infrared sensing module can sense the change of the thermal radiation of the human body, corresponding to the sensing overlapping region, and D is a region which is close to the first infrared sensing module and neither the first infrared sensing module nor the second infrared sensing module can sense the change of the thermal radiation; e is an area which is close to the second infrared sensing module and in which the first infrared sensing module and the second infrared sensing module cannot sense the change of the heat radiation of the human body. The following working process is to add judgment of the preset working time length and the preset screen saver time length in the basic working process.
When a human body enters the A from the D, the first infrared sensing module outputs a high level, the second infrared sensing module outputs a low level, the display state of the television is not changed, namely the television still normally displays the played program if the display state of the current television is the state of normally displaying the played program and the state of normally displaying the played program from the last judgment result does not exceed the preset working duration, the control module controls the television to display the preset frame picture or enter the sleep mode if the display state of the current television is the state of normally displaying the played program and the state of normally displaying the played program from the television exceeds the preset working duration, and the display state of the television is not changed if the display state of the current television is the state of displaying the preset frame picture or the sleep mode. For convenience of judgment, the preset working time is less than or equal to the preset delay time for automatically changing the high level of the first infrared induction module and the second infrared induction module into the low level.
When a human body enters the television from the display state A, the first infrared sensing module outputs a high level, the second infrared sensing module outputs a high level, if the display state of the television is judged in real time to be the display of the preset picture frame picture or the sleep mode and the result of the last judgment is that the television displays the preset picture frame picture or the sleep mode does not exceed the preset screen duration, the display state of the television is unchanged, and if the display state of the television is the display of the preset picture frame picture or the sleep mode and the result of the last judgment is that the television displays the preset picture frame picture or the sleep mode exceeds the preset screen duration, the control module controls the television to normally display the playing program. For convenience of judgment, the preset screen protection time is less than or equal to the preset delay time for automatically changing the high level of the first infrared induction module and the second infrared induction module into the low level.
When the human body is still in the position C, after a preset delay time, the outputs of the first infrared sensing module and the second infrared sensing module are changed from a high level to a low level, and at the moment, the television normally displays a broadcast program; if the first infrared sensing module and the second infrared sensing module output low levels consistently, the television still displays the playing program normally.
When a human body enters B from C, the first infrared sensing module outputs a low level, the second infrared sensing module outputs a high level, the display state of the television is unchanged, namely the television still normally displays the played program if the display state of the current television is the state of normally displaying the played program and the state of normally displaying the played program from the last judgment result does not exceed the preset working time length in real time, the control module controls the television to display the preset frame picture or enter the sleep mode if the display state of the current television is the state of normally displaying the played program and the state of normally displaying the played program from the television exceeds the preset working time length, and the display state of the television is unchanged if the display state of the current television is the state of displaying the preset frame picture or the sleep mode. Therefore, the frequent switching of the display state of the television when the human body frequently enters the television from the B to the C can be avoided.
When a human body enters E from B, the low level output by the first infrared sensing module is unchanged, the low level output by the second infrared sensing module is changed from the high level to the low level, and the control module controls to display a preset picture frame picture or enter a sleep mode.
And the television displays the state under other conditions of the human body entering and exiting.
Claims (10)
1. The device for controlling the display state of the television screen is characterized by comprising a control module and at least two infrared induction modules communicated with the control module, wherein the area, in which all the infrared induction modules can induce the human body heat radiation change in front of the television, is a sensing overlapping area, the control module is used for acquiring the sensing states of all the infrared induction modules in real time when the television is in an open state, and when (1) the sensing states of all the infrared induction modules are triggered or (2) the sensing states of all the infrared induction modules are not triggered and the corresponding sensing states change from the triggered state to the non-triggered state at the same time, the situation that the human body exists in the sensing overlapping area is represented, and the television is controlled to normally display and play programs; and (3) controlling the television to enter the unmanned watching mode in other conditions except the conditions (1) and (2).
2. The apparatus for controlling the display status of the tv screen according to claim 1, wherein the control module is further configured to determine whether the sensing statuses of all the infrared sensing modules are triggered after the tv normally displays the broadcast program for a preset working time period, or whether the sensing statuses of all the infrared sensing modules are not triggered and the corresponding changes of the sensing statuses are all recovered from the triggered status to the non-triggered status, and if so, the tv normally displays the broadcast program, which means that a human body exists in the sensing overlap area; otherwise, controlling the television to enter an unmanned watching mode.
3. The apparatus for controlling a display status of a tv screen according to claim 1, wherein the control module is further configured to determine whether the sensing statuses of all the infrared sensing modules are triggered after the control tv displays a preset frame picture or enters a sleep mode for a preset screen saver time, or whether the sensing statuses of all the infrared sensing modules are not triggered and the corresponding changes of the sensing statuses are all recovered from the triggered status to the non-triggered status, and if yes, the control tv controls the tv to normally display a broadcast program, which means that a human body exists in the sensing overlap area; otherwise, controlling the television to enter an unmanned watching mode.
4. The apparatus for controlling a display status of a tv screen according to claim 1, 2 or 3, wherein the corresponding ir sensing module outputs a high level in the triggered status, and outputs a low level in the non-triggered status.
5. The apparatus for controlling a display status of a television screen according to claim 1, 2 or 3, wherein the unattended viewing mode comprises displaying a preset frame picture or entering a sleep mode.
6. The method for controlling the display status of the television screen according to claim 1, comprising the steps of:
A. when the television is in an open state, acquiring the sensing states of all infrared sensing modules in real time;
B. judging whether the sensing states of all the infrared sensing modules are triggered or not, or judging whether the sensing states of all the infrared sensing modules are not triggered or not, and simultaneously recovering the corresponding sensing states from the triggered states to the not triggered states, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
7. The method of claim 6, wherein step B further comprises: after the control television normally displays the playing program for a preset working time, judging whether the sensing states of all the infrared sensing modules are triggered or not, or whether the sensing states of all the infrared sensing modules are not triggered and the corresponding sensing states are changed and recovered to the non-triggered state from the triggered state, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display the playing program; otherwise, controlling the television to enter an unmanned watching mode.
8. The method of claim 6, wherein step B further comprises: after the television is controlled to display a preset picture frame picture or enter a sleep mode for presetting screen protection duration, judging whether the sensing states of all the infrared sensing modules are triggered or not, or whether the sensing states of all the infrared sensing modules are not triggered or not and the corresponding sensing state changes are recovered to be not triggered from the triggered state at the same time, if so, indicating that a human body exists in the sensing overlapping area, and controlling the television to normally display a playing program; otherwise, controlling the television to enter an unmanned watching mode.
9. The method as claimed in claim 6, 7 or 8, wherein the corresponding infrared sensing module outputs a high level in the triggered state, and outputs a low level in the non-triggered state.
10. The method of claim 6, 7 or 8, wherein the unattended viewing mode comprises displaying a preset picture frame picture or entering a sleep mode.
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| CN113409744A (en) * | 2021-06-04 | 2021-09-17 | 深圳市完美显示科技有限公司 | Display state control method, display state control device and display device |
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| CN104539992A (en) * | 2015-01-19 | 2015-04-22 | 无锡桑尼安科技有限公司 | Anti-addiction watching equipment of television |
| CN108235128A (en) * | 2018-01-25 | 2018-06-29 | 上海康斐信息技术有限公司 | A kind of method and system of infrared induction control video screen dispaly state |
| CN108810628A (en) * | 2018-09-05 | 2018-11-13 | 合肥惠科金扬科技有限公司 | A kind of TV power on and off automatic control system, method and television set |
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