CN208806924U - A kind of TV power on and off automatic control system and television set - Google Patents
A kind of TV power on and off automatic control system and television set Download PDFInfo
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- CN208806924U CN208806924U CN201821451719.7U CN201821451719U CN208806924U CN 208806924 U CN208806924 U CN 208806924U CN 201821451719 U CN201821451719 U CN 201821451719U CN 208806924 U CN208806924 U CN 208806924U
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Abstract
A kind of TV power on and off automatic control system and television set comprising: it is configured as the lens subassembly of the infrared line focus of human body radiation；It is configured as being converted to infrared ray into the infrared detection module, fingerprint identification module of electric signal, it is configured as amplifying electric signal into amplification circuit module of the processing to export detection signal, it is configured as according to detection signal output control signal to control the main control module of TV power on and off, and is configured as the power module of power supply；Infrared ray is converted into electric signal by infrared detection module, fingerprint identification module, amplification circuit module amplifies processing to the electric signal to export detection signal, main control module controls TV power on and off according to detection signal output control signal, the TV power on and off automatic control system is set to can be automatically controled TV power on and off, it is convenient not only to bring to user, television set shutdown can be also automatically controlled when user leaves, and reduce energy loss；In addition, also helping the production cost for reducing television set.
Description
Technical field
The utility model belongs to television set control technology field more particularly to a kind of TV power on and off automatic control system
And television set.
Background technique
Currently, mainly carrying out the switching on and shutting down of control intelligent TV set using voice or Internet of Things, still, voice control is needed
Speech recognition control system is used, Internet of Things, which controls, needs to use the network platform, however speech recognition control system and network
Platform it is expensive, undoubtedly increase the production cost of intelligent TV set；In addition, not can control TV when user leaves
Auto-shut-off is unfavorable for reducing energy loss.
Therefore, TV power on and off control system present in traditional technical solution is automatic in the presence of not can control television set
Switching on and shutting down and problem at high cost.
Utility model content
The utility model provides a kind of TV power on and off automatic control system, it is intended to solve to deposit in traditional technical solution
TV power on and off control system there is a problem of not can control auto-switch of TV set machine and at high cost.
The utility model is realized in this way a kind of TV power on and off automatic control system, comprising:
Set on the TV machine face, it is configured as the lens subassembly of the infrared line focus of human body radiation；
It is oppositely arranged with the lens subassembly, is configured as being converted to infrared ray into the infrared detection module, fingerprint identification module of electric signal；
It is connect with the infrared detection module, fingerprint identification module, is configured as amplifying the electric signal processing to export detection signal
Amplification circuit module；
It is connect with the amplification circuit module, is configured as exporting control signal according to the detection signal to control TV
The main control module of machine switching on and shutting down；And
It connect, is configured as with the infrared detection module, fingerprint identification module, the amplification circuit module and the main control module respectively
The power module of power supply.
The amplification circuit module includes two signal amplification units in one of the embodiments, the signal amplification
Unit includes: to connect with the infrared detection module, fingerprint identification module, is configured as putting electric signal progress level-one amplification to export level-one
The first order amplifying circuit of big signal；Connect with the first order amplifying circuit, be configured as to the level-one amplified signal into
Row second level is amplified to export the second level amplifying circuit of second level amplified signal；And connect with the second level amplifying circuit, matched
It is set to and is compared the second level amplified signal to export the comparison circuit of the detection signal with reference voltage signal.
The first order amplifying circuit includes: first comparator, first resistor, the second electricity in one of the embodiments,
Resistance, 3rd resistor, first capacitor, the second capacitor, third capacitor and the 4th capacitor；It is the first end of the first resistor, described
The first end of first capacitor, the first end of the third capacitor, the first end of the second resistance are connected to described first altogether and compare
The non-inverting input terminal of device, the of the second end of the third capacitor, the first end of the 3rd resistor and the 4th capacitor
One end is connected to the inverting input terminal of the first comparator altogether, and the second of the second end of the first resistor, the first capacitor
End and the output end of the first comparator connect the output end as the first order amplifying circuit altogether, and the of the second resistance
Two ends are connect with the first end of second capacitor, the second end of the 3rd resistor, the second end of the 4th capacitor and institute
The second end for stating the second capacitor is grounded altogether.
The second level amplifying circuit includes: the second comparator, the 4th resistance, the 5th electricity in one of the embodiments,
Resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 5th capacitor, the 6th capacitor, the 7th capacitor and the 8th capacitor；Described 5th
The first end of resistance, the first end of the 6th resistance, the first end of the 5th capacitor and the 6th capacitor first
End is connected to the non-inverting input terminal of second comparator altogether, the second end of the 6th capacitor, the first end of the 8th resistance,
The first end of 7th resistance and the first end of the 7th capacitor are connected to the inverting input terminal of second comparator altogether,
The second end of 5th resistance is connect with the first end of the 4th resistance, the second end of the 4th resistance, the described 5th
The output end of the second end of capacitor and second comparator connects the output end as the second level amplifying circuit altogether, described
The second end of 8th resistance is connect with the voltage output end of the power module, the second end and the described 7th of the 7th resistance
The second end of capacitor is grounded, and the second end of the 6th resistance is connect with the first end of the 8th capacitor, the 8th electricity
Input terminal of the second end of appearance as the second level amplifying circuit.
The comparison circuit includes: third comparator, the 9th resistance and the tenth resistance in one of the embodiments,
Input terminal of the non-inverting input terminal of the third comparator as comparison circuit and output end with the second level amplifying circuit
Connection, the first end of the 9th resistance are connect with the voltage output end of the power module, the second end of the 9th resistance
It is connected to the inverting input terminal of the third comparator, the second termination of the tenth resistance altogether with the first end of the tenth resistance
Ground, the output end of the third comparator as the comparison circuit output end and with the signal detection end of the main control module
Connection.
The lens subassembly is Fresnel Lenses in one of the embodiments,.
In addition, a kind of television set is additionally provided, including above-mentioned TV power on and off automatic control system.
Above-mentioned TV power on and off automatic control system, by adding lens subassembly, infrared detection module, fingerprint identification module and amplification
Circuit module focuses on lens subassembly in infrared detection module, fingerprint identification module the infrared ray of human body radiation, so that infrared detection module, fingerprint identification module will
Infrared ray is converted to electric signal, then amplifies processing to electric signal to export detection signal and arrive by setting amplification circuit module
Main control module, main control module control TV power on and off according to detection signal output control signal, and the TV power on and off is automatic
As long as control system, which adds lens subassembly, infrared detection module, fingerprint identification module and amplification circuit module, can automatically control television set switch
Machine, it is convenient not only to bring to user, and television set shutdown can be also automatically controlled when user leaves, reduces energy loss；In addition,
Infrared detection module, fingerprint identification module and amplification circuit module it is cheap, conducive to the production cost for reducing television set.
Detailed description of the invention
Fig. 1 is the module diagram for the TV power on and off automatic control system that an embodiment of the present invention provides；
Fig. 2 is the circuit diagram for the amplification circuit module that another embodiment of the utility model provides；
Fig. 3 is the infrared sensor temperature changing curve diagram that an embodiment of the present invention provides；
Fig. 4 is the electricity of infrared sensor surface caused by the infrared sensor temperature change that an embodiment of the present invention provides
Lotus variable condition figure；
Fig. 5 is voltage change output caused by the infrared sensor surface charge that an embodiment of the present invention provides changes
Curve graph.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the module signal of the TV power on and off automatic control system of the utility model preferred embodiment offer
Figure, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
With reference to Fig. 1, TV power on and off automatic control system includes: lens subassembly 50, infrared detection module, fingerprint identification module 10, amplification electricity
Road module 20, main control module 30 and power module 40.
Wherein, lens subassembly 50 is set to the TV machine face, is configured as the infrared line focus of human body radiation；It is infrared
Detection module 10 is oppositely arranged with lens subassembly 50, is configured as infrared ray being converted to electric signal；Amplification circuit module 20 with
Infrared detection module, fingerprint identification module 10 connects, and is configured as amplifying electric signal processing to export detection signal；Main control module 30 with put
Big circuit module 20 connects, and is configured as according to detection signal output control signal to control TV power on and off；Power module
40 connect with infrared detection module, fingerprint identification module 10, amplification circuit module 20 and main control module 30 respectively, are configured as powering.In this implementation
In example, main control module 30 is realized using television set chip.Human body signal refers to the infrared signal of human body radiation.In addition, about
The examination of infrared ray is to avoid error system triggering, it is generally the case that pet cat body temperature is about 38.7 DEG C, not more than 39.2
DEG C, pet dog body temperature is about 38.5 DEG C, and afternoon, body temperature was higher, however user's body temperature is about 36.7 DEG C and to be constant, therefore
The body temperature of user and the body temperature of pet and other objects are different, so that the infrared ray and pet and other object spokes of user's radiation
Temperature of the infrared ray penetrated after infrared detection module, fingerprint identification module 10 is different, to keep the electric signal of conversion different；Therefore according to user
The body temperature difference of body temperature and pet and other objects, and the temperature by setting 10 incipient stage of infrared detection module, fingerprint identification module is user's
Temperature, such as: 36.7 DEG C, the false triggering of the TV power on and off automatic control system can be caused to avoid pet and other objects.
It is such as above-mentioned, by adding lens subassembly 50, infrared detection module, fingerprint identification module 10 and amplification circuit module 20, make lens subassembly
50 focus on the infrared ray of human body radiation in infrared detection module, fingerprint identification module 10, so that infrared ray is converted to electricity by infrared detection module, fingerprint identification module 10
Signal, then processing amplified to electric signal by setting amplification circuit module 20 to export detection signal to main control module 30,
Main control module 30 controls TV power on and off, the TV power on and off automatic control system according to detection signal output control signal
As long as TV power on and off can be automatically controlled by adding lens subassembly 50, infrared detection module, fingerprint identification module 10 and amplification circuit module 20,
It is convenient not only to bring to user, and television set shutdown can be also automatically controlled when user leaves, reduces energy loss；In addition, red
Outer detection module 10 and amplification circuit module 20 it is cheap, conducive to the production cost for reducing television set.
Fig. 2 is referred in one of the embodiments, and amplification circuit module 20 includes two signal amplification units 201, signal
Amplifying unit 201 includes: first order amplifying circuit 2011, second level amplifying circuit 2012 and comparison circuit 2013.Wherein,
Level-one amplifying circuit 2011 is connect with infrared detection module, fingerprint identification module 10, is configured as putting electric signal progress level-one amplification to export level-one
Big signal；Second level amplifying circuit 2012 is connect with first order amplifying circuit 2011, is configured as carrying out level-one amplified signal
Second level is amplified to export second level amplified signal；Comparison circuit 2013 is connect with second level amplifying circuit 2012, is configured as two
Grade amplified signal is compared to export detection signal with reference voltage signal.The present embodiment combination infrared detection module, fingerprint identification module 10 is not only
It can accurately detect the human body in preset range, interference signal can also be isolated, to accurately automatically control television set switch
Machine, preset range can be configured by user according to the actual demand of oneself.
Fig. 2 is referred in one of the embodiments, and first order amplifying circuit 2011 includes: first comparator U1, the first electricity
Hinder R1, second resistance R2,3rd resistor R3, first capacitor C1, the second capacitor C2, third capacitor C3 and the 4th capacitor C4；Its
In, the first end of first resistor R1, the first end of first capacitor C1, the first end of third capacitor C3, second resistance R2 first
End is connected to the non-inverting input terminal of first comparator U1 altogether, the second end of third capacitor C3, the first end of 3rd resistor R3 and the
The first end of four capacitor C4 is connected to the inverting input terminal of first comparator U1, the second end of first resistor R1, first capacitor C1 altogether
Second end and the output end of first comparator U1 connect the output end as first order amplifying circuit 2011 altogether, second resistance R2's
Second end is connect with the first end of the second capacitor C2, the second end of 3rd resistor R3, the second end of the 4th capacitor C4 and the second electricity
The second end for holding C2 is grounded altogether.Specifically, 3rd resistor R3 is the direct current biasing resistance of first comparator U1, the 4th capacitor C4 is
Filter capacitor, time constant are calculated by using 3rd resistor R3 and the 4th capacitor C4 and are obtained；First capacitor C1 is high frequency feedback
Capacitor, third capacitor C3 are that shunt capacitance, first capacitor C1 and third capacitor C3 increase for reducing the high frequency of first comparator U1
Benefit；Second capacitor C2 is shunt capacitance, and the ratio of second resistance R2 and first resistor R1 determines the gain of first comparator U1.This
Embodiment can carry out primary amplification filtering by first order amplifying circuit 2011 to the electric signal that infrared detection module, fingerprint identification module 10 exports.
Fig. 2 is referred in one of the embodiments, and second level amplifying circuit 2012 includes: the second comparator U2, the 4th electricity
Hinder R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 5th capacitor C5, the 6th capacitor C6, the 7th electricity
Hold C7 and the 8th capacitor C8；Wherein, the first end of the 5th resistance R5, the first end of the 6th resistance R6, the 5th capacitor C5
The first end of one end and the 6th capacitor C6 are connected to the non-inverting input terminal of the second comparator U2 altogether, the second end of the 6th capacitor C6,
First end, the first end of the 7th resistance R7 and the first end of the 7th capacitor C7 of 8th resistance R8 is connected to the second comparator U2 altogether
Inverting input terminal, the second end of the 5th resistance R5 connect with the first end of the 4th resistance R4, the second end of the 4th resistance R4,
The output end of the second end of five capacitor C5 and the second comparator U2 connect the output end as second level amplifying circuit 2012 altogether, the
The second end of eight resistance R8 is connect with the voltage output end of power module 40, and the second end of the 7th resistance R7 is with the 7th capacitor C7's
Second end is grounded, and the second end of the 6th resistance R6 is connect with the first end of the 8th capacitor C8, and the second end of the 8th capacitor C8 is made
For the input terminal of second level amplifying circuit 2012.Specifically, the 5th capacitor C5 is high frequency feedback capacitor, second resistance R4 and first
The ratio of resistance R7 determines the gain of the second comparator U1, and the 8th capacitor C8 and the 6th resistance R6 will be after once amplifying filtering
Electric signal be coupled to filter and amplification next time.
Refer to Fig. 2 in one of the embodiments, comparison circuit 2013 include: third comparator U3, the 9th resistance R9 with
And the non-inverting input terminal of the tenth resistance R10, third comparator U3 as comparison circuit 2013 input terminal and amplify with the second level
The output end of circuit 2012 connects, and the first end of the 9th resistance R9 is connect with the voltage output end of power module 40, the 9th resistance
The first end of the second end of R9 and the tenth resistance R10 are connected to the inverting input terminal of third comparator U3 altogether, and the of the tenth resistance R10
Two ends ground connection, the output end of the output end of third comparator U3 as comparison circuit 2013 and signal detection with main control module 30
End connection.
Fig. 2 is referred in one of the embodiments, and lens subassembly 50 includes: the first lens 501 and the second lens 502；The
One lens 501 are set to TV machine face side, are configured as the infrared line focus of human body radiation；The setting of second lens 502
In the TV machine face other side, it is configured as the infrared line focus of human body radiation；In the particular embodiment, the first lens
501 and second lens 502 be for Fresnel Lenses.In the present embodiment, lens subassembly 50 uses the first lens 501 and second
Lens 502 are realized, and are separately positioned on TV machine face two sides, can increase the detection range of the infrared ray of human body radiation.
Fig. 2 is referred in one of the embodiments, and infrared detection module, fingerprint identification module 10 includes: the first infrared sensor 101 and second
Infrared sensor 102.Wherein, the first infrared sensor 101 is oppositely arranged with the first lens 501, is amplified with one of signal
Unit 201 connects, and is configured as infrared ray after focusing and is converted to electric signal；Second infrared sensor 102 and the second lens 502
It is oppositely arranged, is connect with another signal amplification unit 201, be configured as infrared ray after focusing and be converted to electric signal.Having
In the embodiment of body, the first infrared sensor 101 and the second infrared sensor 102 can be by Thermoelectric Infrared Sensor realities
It is existing.The infrared detection module, fingerprint identification module 10 of the present embodiment is realized using the first infrared sensor 101 and the second infrared sensor 102, and is divided
The detection range of the infrared ray of human body radiation She Zhi not can be increased in TV machine face two sides.
The working principle of above-mentioned TV power on and off automatic control system is illustrated combined with specific embodiments below, in detail
It states as follows:
It is infrared that the infrared ray of human body radiation is respectively focused on the first infrared sensor 101 and second by two Fresnel Lenses
On sensor 102, while the highly sensitive area of infra-red radiation and blind area of alternately variation are also generated, to adapt to the first infrared sensor
101 and second infrared sensor 102 require the continually changing characteristic of signal, the highly sensitive area of infra-red radiation is " M " type.With reference to Fig. 3-
5, incipient stage, Thermoelectric Infrared Sensor temperature is T, under no human body infrared radiation, thermal release electric infra-red ray sensing
The temperature of device does not change, and the charge of sensor surface is in neutral condition, and positive and negative charge is equal, as shown in Fig. 4 (A), at this point,
The output voltage of Thermoelectric Infrared Sensor is 0V；Second stage, Thermoelectric Infrared Sensor temperature are T+ △ T, are being had
When temperature change and under human body infrared irradiation, the temperature of Thermoelectric Infrared Sensor increases △ T, keeps pyroelectricity red
The charge of outside line sensor surface changes, and as shown in Fig. 4 (B), the charge variation of Thermoelectric Infrared Sensor will be produced
The voltage change of △ V is given birth to, at this time Thermoelectric Infrared Sensor output voltage △ V；The third pole pipe stage, with prolonging for time
Long, Thermoelectric Infrared Sensor surface adsorbs the ion in air again and cancels out each other, and thus reaches neutral condition, just
Negative electrical charge is equal, and as shown in Fig. 4 (C), the output voltage of Thermoelectric Infrared Sensor is 0V at this time；Fourth stage, pyroelectricity
The temperature of infrared sensor declines △ T, returns to original state of temperature T, makes the charge on Thermoelectric Infrared Sensor surface
It changes, as shown in Fig. 4 (D), in contrast, therefore the decline process and temperature ramp de of temperature are on the contrary, decline process
Thermoelectric Infrared Sensor surface charge variation and uphill process it is just the opposite, therefore, Thermoelectric Infrared Sensor
Output voltage be-△ V；5th stage, with the extension of time, air is adsorbed on the surface of Thermoelectric Infrared Sensor again
In ion keep surface positive and negative charge equal, to make the output voltage 0V of Thermoelectric Infrared Sensor, such as Fig. 4 (E)
It is shown.Fig. 5 show Thermoelectric Infrared Sensor detection human body signal and exports corresponding electric signal curve, rpyroelectric infrared
The electric signal that line sensor exports the testing result of human body signal is a complete waveform, is approximately 1Hz pulse signal,
Electric signal is substantially weak electric signal, exports detection letter to main control module 30 after 20 filter amplifying processing of amplification circuit module
Number, main control module 30 detects signal based on the received and exports control signal to television set to control TV power on and off.
In addition, a kind of television set is additionally provided, including above-mentioned TV power on and off automatic control system.
The utility model has the beneficial effects that
(1) by adding lens subassembly, infrared detection module, fingerprint identification module and amplification circuit module, make lens subassembly by human body radiation
Infrared ray focus in infrared detection module, fingerprint identification module so that infrared ray is converted to electric signal by infrared detection module, fingerprint identification module, then pass through amplification
Circuit module amplifies processing to electric signal to export detection signal to main control module, and main control module is exported according to detection signal
Control signal can carry out automatically controlling TV power on and off.
(2) when human body appears in the preset range of television set, television set can be automatically controled booting, when human body leaves TV
When the preset range of machine, television set can be automatically controled shutdown, and it is convenient not only to bring to user, can also reduce energy loss.
(3) infrared detection module, fingerprint identification module and amplification circuit module is cheap, reduces the production cost of television set.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of TV power on and off automatic control system, which is characterized in that the TV power on and off automatic control system packet
It includes:
Set on the TV machine face, it is configured as the lens subassembly of the infrared line focus of human body radiation；
It is oppositely arranged with the lens subassembly, is configured as being converted to infrared ray into the infrared detection module, fingerprint identification module of electric signal；
It is connect with the infrared detection module, fingerprint identification module, is configured as amplifying the electric signal into processing to export putting for detection signal
Big circuit module；
It is connect with the amplification circuit module, is configured as being opened according to detection signal output control signal to control television set
The main control module of shutdown；And
It is connect respectively with the infrared detection module, fingerprint identification module, the amplification circuit module and the main control module, is configured as powering
Power module.
2. TV power on and off automatic control system as described in claim 1, which is characterized in that the amplification circuit module packet
Two signal amplification units are included, the signal amplification unit includes:
It is connect with the infrared detection module, fingerprint identification module, is configured as carrying out the electric signal level-one amplification to export level-one amplified signal
First order amplifying circuit；
It is connect with the first order amplifying circuit, is configured as carrying out the level-one amplified signal second level amplification to export second level
The second level amplifying circuit of amplified signal；And
It is connect with the second level amplifying circuit, is configured as the second level amplified signal being compared with reference voltage signal
To export the comparison circuit of the detection signal.
3. TV power on and off automatic control system as claimed in claim 2, which is characterized in that the first order amplifying circuit
It include: first comparator, first resistor, second resistance, 3rd resistor, first capacitor, the second capacitor, third capacitor and the 4th
Capacitor；
The first end of the first resistor, the first end of the first capacitor, the first end of the third capacitor, second electricity
The first end of resistance is connected to the non-inverting input terminal of the first comparator, second end, the 3rd resistor of the third capacitor altogether
First end and the first end of the 4th capacitor be connected to the inverting input terminal of the first comparator, the first resistor altogether
Second end, the second end of the first capacitor and the first comparator output end connect amplify electricity as the first order altogether
The output end on road, the second end of the second resistance are connect with the first end of second capacitor, and the second of the 3rd resistor
The second end at end, the second end of the 4th capacitor and second capacitor is grounded altogether.
4. TV power on and off automatic control system as claimed in claim 2, which is characterized in that the second level amplifying circuit
It include: the second comparator, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 5th capacitor, the 6th electricity
Appearance, the 7th capacitor and the 8th capacitor；
The first end of 5th resistance, the first end of the 6th resistance, the first end of the 5th capacitor and described
The first end of six capacitors is connected to the non-inverting input terminal of second comparator, the second end of the 6th capacitor, the described 8th altogether
The first end of the first end of resistance, the first end of the 7th resistance and the 7th capacitor is connected to second comparator altogether
Inverting input terminal, the second end of the 5th resistance connect with the first end of the 4th resistance, the of the 4th resistance
The output end at two ends, the second end of the 5th capacitor and second comparator is connect altogether as the second level amplifying circuit
Output end, the second end of the 8th resistance connect with the voltage output end of the power module, the of the 7th resistance
Two ends and the second end of the 7th capacitor are grounded, and the second end of the 6th resistance and the first end of the 8th capacitor connect
It connects, input terminal of the second end of the 8th capacitor as the second level amplifying circuit.
5. TV power on and off automatic control system as claimed in claim 2, which is characterized in that the comparison circuit includes:
Third comparator, the 9th resistance and the tenth resistance, input of the non-inverting input terminal of the third comparator as comparison circuit
It holds and is connect with the output end of the second level amplifying circuit, the first end of the 9th resistance and the voltage of the power module
Output end connection, the second end of the 9th resistance and the first end of the tenth resistance are connected to the anti-of the third comparator altogether
Phase input terminal, the second end ground connection of the tenth resistance, the output end of the third comparator is as the defeated of the comparison circuit
Outlet is simultaneously connect with the signal detection end of the main control module.
6. TV power on and off automatic control system as claimed in claim 2, which is characterized in that the lens subassembly is luxuriant and rich with fragrance alunite
That lens.
7. a kind of television set, which is characterized in that automatically controlled including TV power on and off as claimed in any one of claims 1 to 6
System.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451719.7U CN208806924U (en) | 2018-09-05 | 2018-09-05 | A kind of TV power on and off automatic control system and television set |
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| CN201821451719.7U CN208806924U (en) | 2018-09-05 | 2018-09-05 | A kind of TV power on and off automatic control system and television set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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