CN203368657U - A set top box which realizes synchronization with television set states through an HDMI interface - Google Patents

A set top box which realizes synchronization with television set states through an HDMI interface Download PDF

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Publication number
CN203368657U
CN203368657U CN 201320429402 CN201320429402U CN203368657U CN 203368657 U CN203368657 U CN 203368657U CN 201320429402 CN201320429402 CN 201320429402 CN 201320429402 U CN201320429402 U CN 201320429402U CN 203368657 U CN203368657 U CN 203368657U
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China
Prior art keywords
top box
set top
power
hdmi
television set
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Expired - Fee Related
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CN 201320429402
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Chinese (zh)
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伍勤冰
杨尚昆
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SHENZHEN MELE DIGITAL TECHNOLOGY Co Ltd
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SHENZHEN MELE DIGITAL TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a set top box which realizes synchronization with television set states through an HDMI interface. The set top box which realizes synchronization with the television set states through the HDMI interface comprises an application processor, an HDMI transmitter, a detection circuit used for detecting level signals of a TMDS signal port of an HDMI receiver in a television set. If a high level exists in the TMDS signal port, the detection circuit sends control signals of starting working to a power supply controller or a power supply control signal. If a low level exists in the TMDS signal port, the detection circuit sends control signals of entering a dormancy state or a standby state to the power supply controller or the power supply control terminal. The power supply controller or the power supply control terminal receives the control signals of the detection circuit, makes the set top box start up to work or makes the set top box enter a low-power state or a dormancy state. The set top box which realizes synchronization with the television set states through an HDMI interface of the utility model can control the power on and the shutdown of the set top box in a synchronization mode. If a user switches on or switches off a television set power switch, the set top box automatically follows the television set to switch on or to switch off. According to the set top box which realizes synchronization with television set states through the HDMI interface, operation steps by users are simplified, and cases that the users forget to switch off the set top box are avoided.

Description

Set Top Box by HDMI Interface realization and television set state synchronized
Technical field
The utility model relates to a kind of Set Top Box, more particularly refers to a kind of by the Set Top Box of HDMI Interface realization and television set state synchronized.
Background technology
Set Top Box is the equipment of a kind of connecting TV machine and outside source, comprise digital TV set-top box and the types such as Internet set-box and IPTV, can be received the compression digital signal of television network or the Internet, be decoded, and play out high-quality image and sound accompaniment on television set, and greatly strengthen and expand the use function of television set, make general television set change into and can carry out the mutual multi-media information terminal of full spectrum information with the Internet, communication network and broadcasting and television network from single TV programme receiving terminal.In use there are the following problems for existing Set Top Box:
Only by audio-video interface transmission tone vision signal, do not provide state information separately between Set Top Box and television set, so Set Top Box and television set to be used respectively remote controller separately, or press mains switch separately, complex operation when the open and close machine.A kind of miniaturization network machine top box (the HDMI Dongle that is otherwise known as, HDMI intelligent television rod, MINI PC etc.) has also appearred on existing market, this equipment allows the user that it directly is inserted on the HDMI input interface of television set, with bank of televisions, be integral, allow television set at once variable body be the internet intelligent TV, but because this equipment now is hidden in the television set back, its operating state can't identification, the state that easily causes the machine of opening by mistake or do not shut down for a long time; To cause the waste of power supply.
The utility model content
The purpose of this utility model is to overcome the defect of prior art, provides a kind of by the Set Top Box of HDMI Interface realization and television set state synchronized.
For achieving the above object, the utility model is by the following technical solutions:
Set Top Box by HDMI Interface realization and television set state synchronized, comprise: application processor, for to the hardware resource of Set Top Box dispatched, control and management, receive and process the information of radio network controller and infrared remote control receiver, and the network audio-video Media Stream is decoded, and decoded audio frequency, video data are exported to the HDMI transmitter, described application processor is connected with the HDMI transmitter; The HDMI transmitter, for receiving audio frequency, the video data of application processor output, and audio frequency, video data are converted to the TMDS transition minimized differential signaling, send to television set by the HDMI cable, the HDMI transmitter is connected with application processor, and is connected with the HDMI receiver in television set by the HDMI cable; Testing circuit, for detection of HDMI receiver TMDS signal port level signal in television set, if the TMDS signal port is high level, testing circuit sends the control signal of unlatching work to power-supply controller of electric or power control terminal; If the TMDS signal port is low level, testing circuit sends the control signal that enters dormancy or holding state to power-supply controller of electric or power control terminal, testing circuit is connected with power-supply controller of electric with the TMDS signal port of HDMI interface respectively, or with the TMDS signal port of HDMI interface, with power control terminal, is connected respectively; Power-supply controller of electric or power control terminal, the control signal of described power-supply controller of electric or power control terminal receiving test circuit, allow set-top-box opening work, or allow Set Top Box enter low-power consumption standby or resting state; Described power control terminal is located in application processor.
Its further technical scheme is: also comprise: antenna, and for receiving the electromagnetic wave of Wireless Communication Equipment emission, and convert electromagnetic wave to the signal of telecommunication and send radio network controller to, described antenna is connected with radio network controller; Radio network controller, for Set Top Box is connected to wireless network, make Set Top Box can access the Internet, and described radio network controller is connected with antenna, application processor respectively.
Its further technical scheme is: also comprise the infrared remote control receiver be connected with application processor, described infrared remote control receiver is provided with the power input be connected with power-supply controller of electric or application processor.
Its further technical scheme is: described testing circuit comprises divider resistance and the biasing resistor be connected between TMDS signal port and earth terminal, and base stage is connected in the triode between divider resistance and biasing resistor, the emitter of described triode is connected with earth terminal, between the Vcc power end that the collector electrode of described triode and power-supply controller of electric are provided with, is provided with current-limiting resistance; The output of described testing circuit is connected with the collector electrode of triode.
Its further technical scheme is: described television set is television program receiver or the display with HDMI interface; Set Top Box is digital TV set-top box, network player Set Top Box, IPTV Set Top Box or MINI PC top box.
The beneficial effects of the utility model are: the utility model is by the level signal of the TMDS signal port of monitoring television machine HDMI interface, detect the on-off state of television set, and the startup and shutdown state that utilizes television set carrys out the startup and shutdown of Synchronization Control Set Top Box, the user opens or closes TV set power switch, Set Top Box is followed television boot-strap or standby automatically, simplify user's operating procedure, avoided the user to forget the situation of shutdown; During the utility model set-top box standby, disconnected the power supply of Set Top Box critical piece, other unit that maintains power supply is in the low-power consumption resting state, but the stand-by power consumption of decrease Set Top Box has improved the useful life of Set Top Box key components in 0.5W simultaneously.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
The accompanying drawing explanation
Fig. 1 is the block diagram that the utility model passes through the Set Top Box specific embodiment one of HDMI Interface realization and television set state synchronized;
To be the utility model realize the block diagram with the Set Top Box specific embodiment two of television set state synchronized by the HDMI interface to Fig. 2;
To be the utility model realize adopting in the structure with the Set Top Box specific embodiment one of television set state synchronized the block diagram of television set and radio network controller by the HDMI interface to Fig. 3;
To be the utility model realize the testing circuit schematic diagram with the Set Top Box specific embodiment of television set state synchronized by the HDMI interface to Fig. 4.
The accompanying drawing explanation
10 Set Top Box 11A signal connecting circuits
11 signal connecting circuit 121A power control terminals
121 control output end 12A application processors
12 application processor 13A HDMI transmitters
13 HDMI transmitter 141 first control ends
142 second control end 14A power modules
14 power-supply controller of electric 15A testing circuits
15 testing circuit 16 infrared remote control receivers
20 television set 21 HDMI receivers
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is further introduced and explanation, but be not limited to this.
The utility model is by the method for HDMI Interface realization Set Top Box and television set state synchronized, and Set Top Box is connected by the HDMI interface with television set, and Set Top Box detects the TMDS signal port level of HDMI interface; If the TMDS signal port is high level, set-top-box opening work; If the TMDS signal port is low level, Set Top Box enters low-power consumption standby or resting state.Wherein, television set is television program receiver or the display with HDMI interface; Set Top Box is digital TV set-top box, network player Set Top Box, IPTV Set Top Box or MINIPC Set Top Box.
Below in conjunction with drawings and Examples, describe.
Embodiment as shown in Figure 1, the utility model is realized the Set Top Box 10 with the television set state synchronized by the HDMI interface, the application processor 12 that comprise signal connecting circuit 11, with signal connecting circuit 11, is connected and the HDMI transmitter 13 be connected with application processor 12, HDMI transmitter 13 is connected with the HDMI receiver 21 of television set 20; Also comprise the power-supply controller of electric 14 be connected with application processor 12, reach the testing circuit 15 for detection of the TMDS signal port level of HDMI receiver 21, the output of testing circuit 15 is connected with power-supply controller of electric 14; When testing circuit 15 detects the TMDS signal port and is low level, (now television set is in shutdown or holding state, what specifically detect is that high level is to low level saltus step), output control signals to power-supply controller of electric 14, power-supply controller of electric 14 interrupts the power supply output with application processor 12, signal connecting circuit 11, HDMI transmitter 13, with electrical energy saving; When testing circuit 15 detects the TMDS signal port and is high level, output control signals to power-supply controller of electric 14, the power supply output of power-supply controller of electric 14 conductings and application processor 12, signal connecting circuit 11, HDMI transmitter 13 (now television set is in open state, and what specifically detect is the saltus step of low level to high level).
Television set 20 wherein can be the television set with television receiving function, can be also the display with HDMI interface; Set Top Box can be digital TV set-top box, network player Set Top Box, IPTV Set Top Box or MINI PC top box.Signal connecting circuit 11 can be the cable TV interface circuit, with the Network adaptation circuit of netting twine port or with the radio network controller of antenna.
Also comprise the infrared remote control receiver 16 be connected with application processor 12, infrared remote control receiver 16 is provided with the power input be connected with power-supply controller of electric 14.Power-supply controller of electric 14 is provided with the first control end 141 and the second control end 142, the first control end 141 is connected (control signal that is receiving test circuit) with the output of testing circuit 15, the second control end 142 is connected with application processor 12, application processor 12 is provided with the control output end 121 be connected with the second control end 142 of power-supply controller of electric 14, after infrared remote control receiver 16 receives the standby remote signal of remote controller (not shown), second control end 142 of standby signal to power-supply controller of electric 14 transmitted in control output end 121 by application processor 12, power-supply controller of electric 14 interrupts and application processor 12, signal connecting circuit 11, the power supply output of HDMI transmitter 13, make Set Top Box proceed to the stand-by operation state.
As shown in Figure 4, testing circuit comprises divider resistance R1 and the biasing resistor R2 be connected between TMDS signal port and earth terminal GND, and base stage is connected in the triode t between divider resistance R1 and biasing resistor R2, the emitter of triode T is connected with earth terminal GND, between the Vcc power end that the collector electrode of triode T and power-supply controller of electric are provided with, is provided with current-limiting resistance R3; The output of testing circuit is connected with the collector electrode of triode T.
Shown in Fig. 3, be exactly in the above-described embodiments, the signal connecting circuit is adopted to the radio network controller with antenna.And, the second control end of power-supply controller of electric directly is connected with infrared remote control receiver, to realize the standby mode that application processor is cut off the power supply fully, more power saving, and (be under standby mode the useful life that is conducive to improve application processor, power-supply controller of electric is only given testing circuit and infrared remote control receiver power supply, the whole deenergizations of the parts of other power consumption).Being described as follows of its each parts:
Antenna, for receiving the electromagnetic wave of Wireless Communication Equipment emission, and convert electromagnetic wave to the signal of telecommunication and send radio network controller to, and described antenna is connected with radio network controller;
Radio network controller, for Set Top Box is connected to wireless network, make Set Top Box can access the Internet, and described radio network controller is connected with antenna, application processor respectively;
Application processor, for to the hardware resource of Set Top Box dispatched, control and management, receive and process the information of radio network controller and infrared remote control receiver, and the network audio-video Media Stream is decoded, and decoded audio frequency, video data are exported to the HDMI transmitter, described application processor is connected with radio network controller, infrared remote control receiver, HDMI transmitter respectively;
Infrared remote control receiver, the infrared control signal sent for receiving remote controller, and send application processor to after infrared signal is converted to the signal of telecommunication, described infrared remote control receiver is connected with application processor;
The HDMI transmitter, for receiving audio frequency, the video data of application processor output, and audio frequency, video data are converted to the TMDS transition minimized differential signaling, send to television set by the HDMI cable, the HDMI transmitter is connected with application processor, and is connected with the HDMI receiver in television set by the HDMI cable;
Testing circuit, for detection of HDMI receiver TMDS signal port level in television set, if the TMDS signal port is high level, testing circuit sends high-level control signal to drive circuit; If the TMDS signal port is low level, testing circuit sends the low level control signal to power-supply controller of electric, and testing circuit is connected with power-supply controller of electric with the TMDS signal port of HDMI interface respectively;
Power-supply controller of electric, for the control signal of receiving test circuit, when control signal jumps to low level by high level, show television startup, and power-supply controller of electric can provide the instruction of waken system, allows Set Top Box enter open state; When control signal during to high level, shows TV shutdown or standby by low transition, power-supply controller of electric can provide the instruction of shutdown system, allows Set Top Box enter low-power consumption standby or resting state.
Wherein, power-supply controller of electric can be single-chip microcomputer, system primary processor or intelligent PMU (Power Management Unit), control signal state variation (high level-> low transition that this controller meeting foundation detects and low level-> the high level saltus step) find television boot-strap action and shutdown or standby action, and allow Set Top Box make the corresponding action of following.The specific works flow process is: television boot-strap, and Set Top Box enters mode of operation after state variation being detected; Television set shutdown or standby, Set Top Box enters low-power consumption standby or park mode (Overall Power Consumption is lower than 1W) after state variation being detected.
For ensureing user's the flexibility of controlling, Set Top Box is followed that the response action is only started shooting at television set, just can be carried out when shutdown or standby action the television set state; After television boot-strap, if Set Top Box is not used, the user can select remote control to make set-top box standby, follows control and can not trigger.
In conjunction with Fig. 4, its operation principle is described as follows:
During television boot-strap work, TMDS signal port level in meeting HDMI interface is set to 3.3V, prepares to receive at any time the TMDS(Transition Minimized Differential Signaling that the external signal source device sends) transition minimized differential signaling; When television set shuts down, the TMDS signal port level in the HDMI interface becomes 0V, therefore the TMDS port level signal of television set HDMI interface can be considered as to the TV power on and off status signal.
The level of TMDS signal port in testing circuit Real-Time Monitoring television set HDMI interface in the utility model Set Top Box, when television boot-strap, the level of HDMI interface TMDS signal port jumps to suddenly high level (3.3V) from low level (0V), show, consequently at the two ends of divider resistance R1 and transistor base biasing resistor R2, apply 3.3V voltage, make amplifying triode T in conducting state, thereby the magnitude of voltage that drags down collector electrode is close to 0V, control power-supply controller of electric by output, conducting and application processor, the power supply output of the parts such as HDMI transmitter, make the work of Set Top Box Auto Power On.
When the closing television machine, the TMDS signal level of HDMI interface is high jumps to suddenly low level (0V) from level (3.3V), show, the unexpected vanishing of voltage consequently applied at divider resistance R1 and transistor base biasing resistor R2 two ends, make amplifying triode T in cut-off state, on pressure limiting resistance, draw under effect, collector voltage becomes 3.3V, control power-supply controller of electric by output, the power supply output of the parts such as interruption and application processor, HDMI transmitter, make the Set Top Box automatic shutdown.
In order to wake Set Top Box up by remote controller at any time, in the situation that do not cut off external power source, power-supply controller of electric remains the power supply of infrared remote control receiver.For ensureing user's the flexibility of controlling, Set Top Box is followed that the response action is only started shooting at television set, just can be carried out when shutdown or standby action the television set state; After television boot-strap, if Set Top Box is not used, the user can select remote control to make set-top box standby, follows control and can not trigger (need again could to recover this by remote controller to the operation of Set Top Box and follow control).
In specific implementation process, application processor can adopt the A10 processor of Zhuhai Quan Zhi scientific & technical corporation, radio network controller adopts the WL1271 module of TI company, antenna adopts the WiFi antenna of 2.4GHz, the HDMI transmitter adopts the HDMI interface chip of company of STMicw Electronics (ST), triode T adopts the S8050 triode, and R1, R2 and R3 adopt respectively 4.7K, 10K and 100K resistance, and Vcc adopts direct current 5V power supply.
In the embodiment bis-shown in Fig. 2, the utility model is realized adopting different structures from the Set Top Box of television set state synchronized by the HDMI interface, difference is to have adopted power module, and application processor, with power control terminal, is realized the start of application processor or the switching of holding state by power control terminal; The application processor 12A that specifically comprise signal connecting circuit 11A, with signal connecting circuit 11A, is connected and the HDMI transmitter 13A be connected with application processor 12A, and the power module 14A be connected with application processor 12A, HDMI transmitter 13A is connected with the HDMI receiver 21 of television set 20; Also comprise and, for detection of the testing circuit 15A of the TMDS signal port level of HDMI receiver 21, the power control terminal 121A that the output of testing circuit 15A is provided with application processor 12A is connected; When testing circuit 15A detects the TMDS signal port and is low level, output control signals to power control terminal 121A, application processor 12A interrupts the power supply output (entering dormancy or low-power consumption standby state) with signal connecting circuit 11A, HDMI transmitter 13A; When testing circuit 15A detects the TMDS signal port and is high level, output control signals to power control terminal 121A, the power supply output (entering operating state) of application processor 12A conducting and signal connecting circuit 11A, HDMI transmitter 13A.
In other embodiment, also can adopt other testing circuit, such as the testing circuit that adopts optocoupler to be isolated.
Because the signal detected and the required signal of power-supply controller of electric there are differences, may need signal is amplified to processing, so, in other embodiment, also can between testing circuit and power-supply controller of electric, increase drive circuit.Drive circuit wherein is for the control signal of receiving test circuit output, the level state of control signal can carry out the signal amplification by drive circuit, and the power-supply controller of electric of the signal feeding device top box that will amplify; The power-supply controller of electric of Set Top Box can judge according to state the operating state of television set, and enters corresponding mode of operation with this controller top box.
In sum, the utility model is by the level signal of the TMDS signal port of monitoring television machine HDMI interface, detect the on-off state of television set, and the startup and shutdown state that utilizes television set carrys out the startup and shutdown of Synchronization Control Set Top Box, the user opens or closes TV set power switch, Set Top Box is followed television boot-strap or standby automatically, has simplified user's operating procedure, has avoided the user to forget the situation of shutdown; During the utility model set-top box standby, disconnected the power supply of Set Top Box critical piece, other unit that maintains power supply is in the low-power consumption resting state, but the stand-by power consumption of decrease Set Top Box has improved the useful life of Set Top Box key components in 0.5W simultaneously.
Above-mentionedly only with embodiment, further illustrate technology contents of the present utility model; so that the reader is easier to understand; but do not represent that execution mode of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, all is subject to protection of the present utility model.Protection range of the present utility model is as the criterion with claims.

Claims (5)

1. by the Set Top Box of HDMI Interface realization and television set state synchronized, comprising:
Application processor, described application processor is connected with the HDMI transmitter, and described application processor is decoded to the network audio-video Media Stream, and decoded audio frequency, video data are exported to the HDMI transmitter;
The HDMI transmitter, described HDMI transmitter is connected with application processor, the HDMI transmitter receives audio frequency, the video data of application processor output, and audio frequency, video data are converted to the TMDS transition minimized differential signaling, send to television set by the HDMI cable, and be connected with the HDMI receiver in television set by the HDMI cable;
And power-supply controller of electric or power control terminal; Described power-supply controller of electric is connected with application processor, and described power control terminal is located in application processor;
Characterized by further comprising:
Testing circuit, testing circuit is connected with power-supply controller of electric with the TMDS signal port of HDMI interface respectively, or with the TMDS signal port of HDMI interface, with power control terminal, is connected respectively;
Described testing circuit detects HDMI receiver TMDS signal port level signal in television set, and when the TMDS signal port is high level, testing circuit sends the control signal of unlatching work to power-supply controller of electric or power control terminal; When the TMDS signal port is low level, testing circuit sends the control signal that enters dormancy or holding state to power-supply controller of electric or power control terminal;
The control signal of described power-supply controller of electric or power control terminal receiving test circuit, cause set-top-box opening work, or cause Set Top Box to enter low-power consumption standby or resting state.
2. according to claim 1 by the Set Top Box of HDMI Interface realization and television set state synchronized, characterized by further comprising:
Antenna, for receiving the electromagnetic wave of Wireless Communication Equipment emission, and convert electromagnetic wave to the signal of telecommunication and send radio network controller to, and described antenna is connected with radio network controller;
Radio network controller, for Set Top Box is connected to wireless network, make Set Top Box can access the Internet, and described radio network controller is connected with antenna, application processor respectively.
3. according to claim 2 by the Set Top Box of HDMI Interface realization and television set state synchronized, characterized by further comprising the infrared remote control receiver be connected with application processor, described infrared remote control receiver is provided with the power input be connected with power-supply controller of electric or application processor.
4. according to claim 1, the 2 or 3 described Set Top Box of passing through HDMI Interface realization and television set state synchronized, it is characterized in that described testing circuit comprises divider resistance and the biasing resistor be connected between TMDS signal port and earth terminal, and base stage is connected in the triode between divider resistance and biasing resistor, the emitter of described triode is connected with earth terminal, between the Vcc power end that the collector electrode of described triode and power-supply controller of electric are provided with, is provided with current-limiting resistance; The output of described testing circuit is connected with the collector electrode of triode.
5. according to claim 1, the 2 or 3 described Set Top Box of passing through HDMI Interface realization and television set state synchronized, it is characterized in that described television set is television program receiver or the display with HDMI interface; Set Top Box is digital TV set-top box, network player Set Top Box, IPTV Set Top Box or MINIPC Set Top Box.
CN 201320429402 2013-07-18 2013-07-18 A set top box which realizes synchronization with television set states through an HDMI interface Expired - Fee Related CN203368657U (en)

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CN103347210A (en) * 2013-07-18 2013-10-09 深圳市迈乐数码科技股份有限公司 Method and set top box for achieving state synchronization through HDMI interface
WO2015103668A1 (en) * 2014-01-13 2015-07-16 Embertec Pty Ltd Power monitoring and control system
CN105120196A (en) * 2015-08-20 2015-12-02 深圳泰科晶显科技有限公司 HDMI bidirectional multiplex system and method
CN106093542A (en) * 2016-06-07 2016-11-09 深圳市航盛电子股份有限公司 A kind of TMDS powerdown signal testing circuit and method
CN106331805A (en) * 2016-08-19 2017-01-11 广州长嘉电子有限公司 Method and system for controlling intelligent television with low power consumption
WO2017050151A1 (en) * 2015-09-24 2017-03-30 深圳市九洲电器有限公司 Function switching circuit and gateway type set top box
CN108174130A (en) * 2016-12-07 2018-06-15 天津三星电子有限公司 A kind of TV
CN109005439A (en) * 2018-09-25 2018-12-14 晶晨半导体(上海)股份有限公司 TV box
CN110519623A (en) * 2019-09-06 2019-11-29 广州珠江数码集团股份有限公司 A kind of television set top box energy-saving control method and device
CN111034208A (en) * 2017-09-01 2020-04-17 索尼公司 Cable and connecting device
CN111200757A (en) * 2018-11-19 2020-05-26 中国电信股份有限公司 Video playing method, set top box, system and storage medium
CN112638001A (en) * 2020-12-25 2021-04-09 深圳市裕富照明有限公司 Intelligent lamp power supply control circuit and intelligent lamp
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CN103347210A (en) * 2013-07-18 2013-10-09 深圳市迈乐数码科技股份有限公司 Method and set top box for achieving state synchronization through HDMI interface
WO2015103668A1 (en) * 2014-01-13 2015-07-16 Embertec Pty Ltd Power monitoring and control system
US10353450B2 (en) 2014-01-13 2019-07-16 Embertec Pty Ltd Power monitoring and control system
CN105120196A (en) * 2015-08-20 2015-12-02 深圳泰科晶显科技有限公司 HDMI bidirectional multiplex system and method
CN105120196B (en) * 2015-08-20 2018-05-29 深圳泰科晶显科技有限公司 A kind of two-way multiplex system of HDMI and method
WO2017050151A1 (en) * 2015-09-24 2017-03-30 深圳市九洲电器有限公司 Function switching circuit and gateway type set top box
CN106093542B (en) * 2016-06-07 2019-09-17 深圳市航盛电子股份有限公司 A kind of TMDS powerdown signal detection circuit and method
CN106093542A (en) * 2016-06-07 2016-11-09 深圳市航盛电子股份有限公司 A kind of TMDS powerdown signal testing circuit and method
CN106331805A (en) * 2016-08-19 2017-01-11 广州长嘉电子有限公司 Method and system for controlling intelligent television with low power consumption
CN108174130A (en) * 2016-12-07 2018-06-15 天津三星电子有限公司 A kind of TV
CN111034208A (en) * 2017-09-01 2020-04-17 索尼公司 Cable and connecting device
CN111034208B (en) * 2017-09-01 2022-06-14 索尼公司 Cable and connecting device
CN109005439A (en) * 2018-09-25 2018-12-14 晶晨半导体(上海)股份有限公司 TV box
CN111200757A (en) * 2018-11-19 2020-05-26 中国电信股份有限公司 Video playing method, set top box, system and storage medium
CN110519623A (en) * 2019-09-06 2019-11-29 广州珠江数码集团股份有限公司 A kind of television set top box energy-saving control method and device
CN112638001A (en) * 2020-12-25 2021-04-09 深圳市裕富照明有限公司 Intelligent lamp power supply control circuit and intelligent lamp
CN112638001B (en) * 2020-12-25 2022-07-29 深圳市裕富照明有限公司 Intelligent lamp power supply control circuit and intelligent lamp
CN115119059A (en) * 2021-03-22 2022-09-27 成都品为道电子技术有限公司 Method and device for turning on and turning off set top box, set top box and storage medium

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