WO2017016317A1 - Appareil et procédé pour réveiller à distance un téléviseur dans un état de basse consommation d'énergie - Google Patents

Appareil et procédé pour réveiller à distance un téléviseur dans un état de basse consommation d'énergie Download PDF

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Publication number
WO2017016317A1
WO2017016317A1 PCT/CN2016/084841 CN2016084841W WO2017016317A1 WO 2017016317 A1 WO2017016317 A1 WO 2017016317A1 CN 2016084841 W CN2016084841 W CN 2016084841W WO 2017016317 A1 WO2017016317 A1 WO 2017016317A1
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WO
WIPO (PCT)
Prior art keywords
television
signal
control module
power source
wake
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Application number
PCT/CN2016/084841
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English (en)
Chinese (zh)
Inventor
刘付光旺
曹芝勇
Original Assignee
深圳Tcl数字技术有限公司
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Publication of WO2017016317A1 publication Critical patent/WO2017016317A1/fr

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Classifications

    • 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
    • H04N21/4436—Power management, e.g. shutting down unused components of the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/42623—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific decryption arrangements
    • 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
    • H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Definitions

  • the present invention relates to the field of television technology, and in particular, to an apparatus and method for remotely waking up a television set in a low power consumption state.
  • the TV When the TV is in standby, it can be divided into true standby and false standby.
  • false standby only the circuit such as video and audio output is turned off, and the main chip operates in the energy-saving mode, but the tuner, the main chip internal demultiplexing module, and the power supply circuit are still in operation, and the power consumption is almost equivalent to the normal working state.
  • the power supply of the system In the real standby mode, the power supply of the system can be cut off by the single-chip microcomputer, so that the CPU and the tuner are in a power-off state.
  • the demultiplexing module of the main chip is in a non-working state, when receiving the radio frequency signal sent by the server, the television The machine cannot parse the TS stream (Transport) Stream, the content information in the transport stream, the server can not remotely control the TV, such as upgrade, wake-up, parameter adjustment.
  • the server can not remotely control the TV, such as upgrade, wake-up, parameter adjustment.
  • users usually turn off the power switch of the TV set and set-top box when they are not watching TV. At this time, it is even more impossible to wake up the TV remotely.
  • the main object of the present invention is to provide an apparatus and method for remotely waking up a television set in a low power consumption state, which can remotely wake up the television set after the television power is turned off.
  • the invention provides a device for remotely waking up a television set in a low power consumption state, comprising a demodulation module, a control module and a auxiliary power supply, wherein an input end of the demodulation module receives a television radio frequency signal sent by a server, and the television radio frequency signal comprises a wakeup a first output end of the demodulation module is connected to an input end of the control module, the demodulation module extracts a wake-up signal from the television radio frequency signal, and sends the wake-up signal to the control module a control output end of the control module is connected to a control input end of a main power source of the television, and the control module outputs a control signal for turning on the power to the main power source when the wake-up signal is determined to be valid, and controls the main
  • the power supply is connected to the power supply input end of the auxiliary power supply, and the power supply input end of the control module and the demodulation module is connected to the demodulation module and the control module when the main power supply is in an off
  • the television radio frequency signal further includes a television code stream
  • the device for remotely waking up the television set in the low power consumption state is further connected to the tuner and the main chip of the television set, and the second output end of the demodulation module is connected to the Determining an input end of the tuner, the demodulation module extracts a television code stream from the television radio frequency signal, and transmits the television code stream to the tuner;
  • the output end of the tuner is connected An input end of the main chip, a power output end of the main power source is connected to the main chip and a power input end of the tuner, and when the main power is turned on, the main power is directed to the main body of the television
  • the chip and the tuner are powered, and the tuner and the main chip work;
  • the device for remotely waking up the television set in the low power consumption state further comprises a controllable switch electrically connected to the main power source, wherein a control input end of the controllable switch is connected to a control output end of the control module, and the control module is received
  • the output control signal closes the controllable switch, the main power source is turned on; when the main power source is turned off, the controllable switch is turned off.
  • the demodulation module includes a first filter and a first demodulator, and an input end of the first filter receives a television radio frequency signal sent by a server, filters the television radio frequency signal, and obtains a first filtered signal,
  • the first filtered signal is consistent with a frequency range of the wake-up signal;
  • an input end of the first demodulator is connected to an output end of the first filter, and the first filtered signal is received and demodulated to obtain a The wake-up signal is output;
  • the output end of the first demodulator is connected to the input end of the control module as a first output end of the demodulation module, and outputs the wake-up signal to the control module.
  • the demodulation module further includes a second filter and a second demodulator, wherein the input end of the second filter receives the television radio frequency signal sent by the server, filters the television radio frequency signal, and obtains the second filtered signal. And the second filtered signal is consistent with a frequency range of the television code stream; an input end of the second demodulator is connected to an output end of the second filter, and the second filtered signal is received and demodulated. Obtaining the television code stream; the output end of the second demodulator is connected to the input end of the tuner as a second output end of the demodulation module, and outputting the television code stream to the tuner .
  • control module is a wireless control module, and a control output of the control module is wirelessly connected to a control input of the main power source.
  • control module is a wireless control module, and a control output of the control module is wirelessly connected to a control input of the main power source.
  • control module comprises a Sub-GHz chip.
  • the invention also provides a device for remotely waking up a television set in a low power consumption state, comprising a demodulation module, a control module and a auxiliary power source, wherein an input end of the demodulation module receives a television radio frequency signal sent by a server, and the television radio frequency signal comprises a wake-up signal; a first output end of the demodulation module is connected to an input end of the control module, the demodulation module extracts a wake-up signal from the television radio frequency signal, and sends the wake-up signal to the control a control output end of the control module is connected to a control input end of a main power source of the television, and the control module outputs a control signal for turning on the power to the main power source when the wake-up signal is determined to be valid, and controls the module
  • the main power source is connected; the power output end of the auxiliary power source is connected to the power input end of the control module and the demodulation module, and when the main power source is in an off state, the auxiliary power source
  • the television radio frequency signal further comprises a television code stream
  • the device for remotely waking up the television set in the low power consumption state is further connected to the tuner and the main chip of the television set, and the second output of the demodulation module Connecting the input end of the tuner, the demodulation module extracts a television code stream from the television radio frequency signal, and sends the television code stream to the tuner; the tuner The output end is connected to the input end of the main chip, and the power output end of the main power source is connected to the main chip and the power input end of the high frequency head, and when the main power source is turned on, the main power source is to the TV The main chip of the machine and the high frequency head are powered, and the high frequency head and the main chip work.
  • the demodulation module includes a first filter and a first demodulator, and an input end of the first filter receives a television radio frequency signal sent by a server, filters the television radio frequency signal, and obtains a first filtered signal,
  • the first filtered signal is consistent with a frequency range of the wake-up signal;
  • an input end of the first demodulator is connected to an output end of the first filter, and the first filtered signal is received and demodulated to obtain a The wake-up signal is output;
  • the output end of the first demodulator is connected to the input end of the control module as a first output end of the demodulation module, and outputs the wake-up signal to the control module.
  • the demodulation module further includes a second filter and a second demodulator, wherein the input end of the second filter receives the television radio frequency signal sent by the server, filters the television radio frequency signal, and obtains the second filtered signal. And the second filtered signal is consistent with a frequency range of the television code stream; an input end of the second demodulator is connected to an output end of the second filter, and the second filtered signal is received and demodulated. Obtaining the television code stream; the output end of the second demodulator is connected to the input end of the tuner as a second output end of the demodulation module, and outputting the television code stream to the tuner .
  • the device for remotely waking up the television set in the low power consumption state further comprises a controllable switch electrically connected to the main power source, wherein a control input end of the controllable switch is connected to a control output end of the control module, and receives The control signal output by the control module closes the controllable switch, and the main power source is turned on; when the main power source is turned off, the controllable switch is turned off.
  • control module is a wireless control module, and a control output of the control module is wirelessly connected to a control input of the main power source.
  • control module comprises a Sub-GHz chip.
  • the invention also provides a method for remotely waking up a television set in a low power consumption state by using a device for remotely waking up a television set in a low power consumption state, comprising the steps of:
  • the auxiliary power supply supplies power to the demodulation module and the control module;
  • the demodulation module receives a television radio frequency signal sent by a server, where the television radio frequency signal includes a wake-up signal;
  • the demodulation module extracts a wake-up signal from the television radio frequency signal, and sends the wake-up signal to the control module;
  • the control module controls the main power of the television to be turned on to wake up the television when it is determined that the wake-up signal is valid.
  • the demodulation module further includes:
  • the demodulation module extracts a television code stream from the television radio frequency signal, and transmits the television code stream to a tuner of the television set.
  • control module controls the main power of the television to be turned on when determining that the wake-up signal is valid, and the step of waking up the television set includes:
  • the control module controls the main power of the television to be turned on when determining that the wake-up signal is valid, and supplies power to the main chip and the high-frequency head of the television by the main power source;
  • the tuner demodulates the television code stream, and sends the demodulated television code stream to the main chip;
  • the main chip performs a corresponding operation according to the demodulated television code stream.
  • the invention provides a demodulation module and a control module in the television, and the auxiliary power supply separately supplies power to the demodulation module and the control module.
  • the server can send the wake-up signal to the television.
  • the TV radio frequency signal the demodulation module extracts the wake-up signal from the TV radio frequency signal, and then the control module controls the main power supply to turn on according to the wake-up signal, wakes up the television, and realizes remote control at the time of turning off the main power of the television.
  • the TV can keep the main power off when not in use, which satisfies the demand for ultra-low standby power consumption of the TV. Conducive to saving energy.
  • FIG. 1 is a block diagram showing a first embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention
  • FIG. 2 is a block diagram showing a second embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention
  • FIG. 3 is a block diagram showing a third embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention
  • FIG. 4 is a block diagram showing a fourth embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention
  • FIG. 5 is a schematic block diagram of a fifth embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention
  • FIG. 6 is a block diagram showing a sixth embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention
  • FIG. 7 is a flow chart of a first embodiment of a method for remotely waking up a television set in a low power consumption state according to the present invention.
  • FIG. 8 is a flow chart of a second embodiment of a method for remotely waking up a television set in a low power consumption state according to the present invention.
  • FIG. 9 is a flow chart of a third embodiment of a method for remotely waking up a television set in a low power consumption state according to the present invention.
  • FIG. 1 is a schematic block diagram of a first embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention.
  • the television set in this embodiment turns off the main power source 201, the television is in a low power consumption state, and the television does not operate.
  • the device 100 for setting up a low-power state remote wake-up television in the television is connected to the main power supply 201 of the television, and includes a demodulation module 110, a control module 120, and a secondary power supply 130.
  • the power output end of the auxiliary power source 130 is connected to the power input end of the control module 120 and the demodulation module 110.
  • the auxiliary power source 130 can be a low-power power source such as a normal battery, a rechargeable battery, a portable power source, and the demodulation module 110 and the control module 120 are The auxiliary power source 130 is separately powered.
  • the main power source 201 of the television is turned on, the auxiliary power source 130 is turned off, the demodulation module 110 and the control module 120 are not working; when the main power source 201 of the television is turned off, the auxiliary power source 130 starts to operate, and the demodulation module 110 is activated. And the control module 120 is powered.
  • the input end of the demodulation module 110 receives the television radio frequency signal sent by the server 300, and the demodulation module 110 can be connected to the television radio frequency signal line or the Internet through the signal input interface of the television, and then connected to the server 300 by the television radio frequency signal line or the Internet.
  • the server 300 pre-modulates the wake-up signal into the television radio frequency signal, and after receiving the television radio frequency signal, the demodulation module 110 demodulates the television radio frequency signal to obtain a demodulated signal that is consistent with the wake-up signal frequency.
  • the first output end of the demodulation module 110 is connected to the input end of the control module 120, and the demodulation module 110 outputs the demodulated signal to the control module 120, and the control module 120 analyzes the demodulated signal to determine the demodulated signal. Whether the signal is a wake-up signal for waking up the television.
  • the control output end of the control module 120 can be connected to the control input end of the main power source 201 by wire or wirelessly. When the control module 120 determines that the wake-up signal is valid, the control module 120 outputs a control signal to control the main power source 201 to be turned on, and the television set is turned on. Wake up; otherwise, the control module 120 does not output a control signal, and the main power source 201 remains in an off state.
  • Wake up the TV can start the TV directly, all the modules in the TV will enter the working state; wake up the TV can also only start some of the modules in the TV, for example, continue to keep the video and audio output circuits off In the state, the main chip and the tuner of the TV are activated, and the TV enters a false standby state.
  • the TV wakes up it can process the TV code stream (TS code stream) in the TV radio frequency signal, obtain the instruction in the TS code stream, and complete the corresponding operation.
  • the server 300 may first transmit a television radio frequency signal including a wake-up signal to the television set. After the television set is woken up, the server 300 transmits a television radio frequency signal including the television code stream to the television set.
  • the server 300 can also separately transmit the wake-up signal and the television code to the television set by using different channels.
  • the server 300 can also pre-modulate the TS code stream and the wake-up signal into the same TV radio frequency signal by using multiplexing technology, and simultaneously transmit the wake-up signal and the TV code stream to the television set, and the television set is separated from the TV radio frequency signal.
  • a wake-up signal and a TV stream are output.
  • the plurality of instructions included in the TS stream may further include an automatic power-off instruction, and the television sequentially processes the instructions in accordance with the priority order or the chronological order of the instructions, until the automatic power-off instruction in the TS code stream is processed.
  • the main power supply 201 is turned off, the TV is powered off, and the operation is stopped.
  • the auxiliary power source 130 starts to work, and supplies power to the demodulation module 110 and the control module 120, waiting for the next television radio frequency signal to arrive.
  • the automatic power-off command may also be included in the television radio frequency signal transmitted by the server 300 next time. In the awake state, after the television automatically extracts the automatic power-off command from the next arriving television radio frequency signal, the main chip of the television is The main power source 201 is turned off according to the automatic power-off command, and the television is powered off.
  • the demodulation module 110 and the control module 120 are disposed in the television, and the demodulation module 110 and the control module 120 are separately powered by the auxiliary power source 130.
  • the server 300 can The television radio frequency signal carrying the wake-up signal is sent to the television, and the demodulation module 110 extracts the wake-up signal from the television radio frequency signal, and then the control module 120 controls the main power source 201 to be turned on according to the wake-up signal, and wakes up the television, thereby realizing
  • the main power of the TV is turned off, the TV can be remotely woken up at any time.
  • the TV since the TV does not need to respond to the remote command when the main power is turned off, the TV can keep the main power off when not in use.
  • the demand for ultra-low standby power consumption of TV sets is conducive to energy conservation.
  • FIG. 2 is a schematic block diagram of a second embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention.
  • the embodiment includes the module in the embodiment shown in FIG. 1.
  • the demodulation module 110 includes a first filter 111 and a first demodulator 112.
  • the input end of the first filter 111 receives the television radio frequency transmitted by the server 300.
  • the signal filters out interference noise in the TV RF signal.
  • the bandwidth of the first filter 111 is consistent with the frequency range corresponding to the wake-up signal spectrum of the television radio frequency signal.
  • the obtained segment only includes the television radio frequency signal that is consistent with the frequency range of the wake-up signal.
  • the output end of the first filter 111 is connected to the input end of the first demodulator 112, and the first filter 111 outputs the filtered television radio frequency signal to the first demodulator 112, and the first demodulator 112 pairs the filtered TV radio frequency signal demodulation. Since the TV signal filtered by the first filter 111 includes only the frequency band of the wake-up signal, if the television RF signal includes the wake-up signal, the wake-up signal without interference of other frequency bands can be obtained after the demodulation.
  • the output of the first demodulator 112 is connected to the input of the control module 120 as the first output of the demodulation module 110.
  • the first demodulator 112 outputs the demodulated signal to the control module 120.
  • the control module 120 further determines whether the demodulated signal is a wake-up signal for waking up the television, and if so, controls the main power according to the wake-up signal. 201 is turned on to wake up the television; otherwise, the main power supply 201 is turned off.
  • the filter and the demodulator are used to extract the wake-up signal without interference of other frequency bands from the television radio frequency signal, so that the wake-up signal is extracted in a simple manner, and the extracted signal is accurate, which is beneficial to improving the response speed and accuracy of the remote wake-up television. degree.
  • FIG. 3 is a schematic block diagram of a third embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention.
  • the embodiment includes the module in the embodiment shown in FIG. 1.
  • the device 100 for remotely waking up the television in a low power consumption state is also connected to the tuner 202 and the main chip 203 of the television.
  • the server 300 employs multiplexing techniques such as frequency division multiplexing, time division multiplexing, etc., to pre-modulate the TS code stream and the wake-up signal into the same television radio frequency signal.
  • the TS stream includes operation instructions that the TV needs to perform, such as an upgrade package, parameters to be adjusted, and the like.
  • the server 300 can simultaneously transmit the TS stream and the wake-up signal to the television through one channel.
  • the demodulation module 110 separates and demodulates the television radio frequency signal to obtain two signals.
  • the frequency of the first signal is consistent with the signal frequency of the wake-up signal, and the frequency of the second signal and the TS stream are The signal frequency is the same.
  • the demodulation module 110 outputs the first path signal to the control module 120, and after the control module 120 determines that the first path signal is a valid wake-up signal, the television main power source 201 is controlled to be turned on.
  • the power output end of the main power source 201 is connected to the power input terminals of the main chip 203 and the high frequency head 202.
  • the main power source 201 supplies power to the main chip 203 and the high frequency head 202, and the main chip 203 and the high frequency head. 202 started working.
  • the second output end of the demodulation module 110 is connected to the input end of the high frequency head 202, and the demodulation module 110 outputs the second path signal to the high frequency head 202 to supply power to the high frequency head 202 and the main chip 203 at the main power source 201.
  • the tuner 202 extracts related instructions and audio and video signals included in the TS stream from the second signal, and the output of the tuner 202 is connected to the input end of the main chip 203, and the tuner 202 will be related to the command and audio and video.
  • the signal is transmitted to the main chip 203, and the main chip 203 performs a corresponding operation in accordance with the relevant instruction.
  • the TS code stream and the wake-up signal are separated from the TV radio frequency signal by the demodulation module 110, and only one transmission channel is occupied when the signal is transmitted, and only one radio frequency signal is received, and the TS code stream and the wake-up signal can be simultaneously obtained.
  • the signal transmission time is shortened, and the response speed of the remote wake-up TV is improved.
  • FIG. 4 is a schematic block diagram of a fourth embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention.
  • the embodiment includes the modules in the embodiment shown in FIG. 2 and FIG. 3.
  • the demodulation module 110 further includes a second filter 113 and a second demodulator 114.
  • the demodulation module 110 receives the transmission sent by the server 300. After the television radio frequency signal, the television radio frequency signal is simultaneously distributed to the first filter 111 and the second filter 113.
  • the server 300 modulates the television radio frequency signal
  • the spectrum of the wake-up signal and the TS code stream are simultaneously modulated into the television radio frequency signal, so that the wake-up signal and the TS code stream do not overlap in the television radio frequency signal, and the wake-up signal and the TS code are
  • the spectrum of the stream is modulated into different frequency ranges, respectively. Therefore, the first filter 111 and the second filter 113 adopt different bandwidths, the bandwidth of the first filter 111 is consistent with the frequency range corresponding to the wake-up signal in the television radio frequency signal, and the bandwidth of the second filter 113 and the television radio frequency signal
  • the frequency range corresponding to the medium TS stream is the same.
  • the obtained segment only includes the television radio frequency signal consistent with the frequency range of the wake-up signal; after the television radio frequency signal is filtered by the second filter 113, the obtained segment only includes the frequency range of the wake-up signal. Consistent TV RF signal.
  • the wake-up signal and the TS code stream in the television radio frequency signal are separated by the first filter 111 and the second filter 113.
  • the output of the second filter 113 is connected to the input of the second demodulator 114, and the second filter 113 outputs the filtered television radio frequency signal to the second demodulator 114, and the second demodulator 114 filters the filtered TV radio frequency signal demodulation.
  • the second demodulator 114 demodulates the TS code stream without interference of other frequency bands.
  • the output of the second demodulator 114 is coupled to the input of the tuner 202 as a second output of the demodulation module 110.
  • the second demodulator 114 outputs the demodulated TS code stream to the tuner 202.
  • the control module 120 has controlled the main power source 201 to supply power to the tuner 202 and the main chip 203 according to the wake-up signal, the tuner 202 is The relevant instruction and the audio and video signals are extracted from the TS code stream and transmitted to the main chip 203.
  • the main chip 203 performs corresponding operations according to the relevant instructions; otherwise, the main power supply 201 is turned off, the high frequency head 202 does not work, and the received data is not received.
  • the TS code stream is processed.
  • the TS code stream and the wake-up signal in the TV radio frequency signal are separated by using a filter with different bandwidth, and the original TS code stream and the wake-up signal are obtained through the demodulator, so that the TS code stream and the wake-up signal are separated and extracted separately.
  • the method is simple, the extracted signal is accurate, and it is beneficial to improve the response speed and accuracy of the remote wake-up television.
  • FIG. 5 is a schematic block diagram of a fifth embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention.
  • the embodiment includes the module in the embodiment shown in FIG. 1.
  • the device 100 for remotely waking up the television in a low power consumption state further includes a controllable switch 140 electrically connected to the main power source 201.
  • the main power source 201 can be controlled by the controllable switch 140 in addition to the on/off of the main power source 201 by the switch of the main power source 201 itself.
  • the controllable switch 140 is also in the off state.
  • the control input end of the controllable switch 140 can be connected to the control output of the control module 120 by wire or wirelessly.
  • the control module 120 outputs a control signal for closing the controllable switch 140 to the controllable switch 140, the controllable switch 140 is closed.
  • the main power source 201 is turned on to wake up the television.
  • the television automatically extracts the automatic power-off command from the next-received television radio frequency signal, and the main chip of the television is automatically
  • the power-off command sends a control signal to the controllable switch 140 to turn off the controllable switch 140 to the controllable switch 140, the controllable switch 140 is turned off, the main power source 201 is turned off, and the television is powered off.
  • the control module 120 is used to control the closing or opening of the controllable switch 140, thereby implementing the control of turning on or off the main power source 201.
  • the switch of the main power source 201 is separated from the controllable switch 140, and the independent working is mutually independent. It does not affect; on the one hand, it does not have higher requirements on the structure and performance of the main power supply 201's own switch.
  • the main switch of the main power supply 201 can still use the original circuit structure, and will not increase the original production cost of the TV set; In the aspect, when the main power source 201 is turned off, the control of the main power source 201 is realized by the controllable switch 140, and the control of turning on and off the main power source 201 is more diversified.
  • FIG. 6 is a schematic block diagram of a sixth embodiment of an apparatus for remotely waking up a television set in a low power consumption state according to the present invention.
  • the embodiment includes the module in the embodiment shown in FIG. 1.
  • the control module 120 in this embodiment adopts a wireless control technology, and may include multiple options such as Sub-GHz, ZigBee, Wifi, and Bluetooth.
  • the control module 120 includes a Sub-GHz chip, and the wake-up signal adopts a Sub-GHz signal.
  • the demodulation module 110 demodulates the TV radio frequency signal to obtain a Sub-GHz signal, and passes the Sub in the control module 120.
  • the -GHz chip directly recognizes the Sub-GHz signal.
  • the control module 120 controls the main power source 201 to be turned on to wake up the television. Since Sub-GHz technology is a kind in 1 Compared with the 2.4GHz band, the wireless connection technology in the GHz frequency range has less spectrum interference and lower power consumption in the Sub-GHz band. In the sleep mode of the TV, the Sub-GHz chip requires only a few tens of nanoamperes of current consumption. It can run for more than a few years with only a single battery, which is beneficial to reducing power consumption and cost, and meets the demand for ultra-low standby power consumption of TV sets.
  • the embodiment of the present invention further provides a method for remotely waking up a television set in a low power consumption state by using a device for remotely waking up a television in a low power consumption state in any of the embodiments shown in FIG. 1 to FIG. 6, as shown in FIG.
  • FIG. 7 is a flowchart of a first embodiment of a method for remotely waking up a television set in a low power consumption state according to the present invention.
  • the method for remotely waking up a television set in a low power consumption state according to the present embodiment includes the following steps:
  • Step S10 when the main power of the television is in an off state, the auxiliary power supply supplies power to the demodulation module and the control module;
  • a device for setting up a low-power state remote wake-up television in the television is connected to the main power of the television, including a demodulation module, a control module and an auxiliary power supply.
  • the auxiliary power source can be a low-power power source such as a normal battery, a rechargeable battery, a portable power source, and the demodulation module and the control module are separately powered by the auxiliary power source.
  • Step S20 the demodulation module receives the television radio frequency signal sent by the server
  • the signal input interface between the server and the television can be connected through a television RF signal line or the Internet.
  • the server pre-modulates the wake-up signal into the TV RF signal and transmits it to the TV through the TV RF signal line or the Internet.
  • Step S31 the demodulation module extracts the wake-up signal from the television radio frequency signal, and sends the wake-up signal to the control module;
  • the demodulation module After receiving the radio frequency signal, the demodulation module demodulates the television radio frequency signal, obtains a demodulated signal consistent with the frequency of the wake-up signal, and outputs the demodulated signal to the control module.
  • step S40 when the control module determines that the wake-up signal is valid, the control module controls the main power of the television to be turned on to wake up the television.
  • the control module parses the demodulated signal to determine whether the demodulated signal is a wake-up signal for waking up the television. When the control module determines that the wake-up signal is valid, the control module outputs a control signal to control the main power source to be turned on, and the television is awakened; otherwise, the control module does not output the control signal, and the main power source remains in the off state.
  • a demodulation module and a control module are set in the television, and the demodulation module and the control module are separately powered by the auxiliary power source.
  • the server can send a wakeup to the television.
  • the TV radio frequency signal of the signal, the demodulation module extracts the wake-up signal from the TV radio frequency signal, and then the control module controls the main power supply to turn on according to the wake-up signal, wakes up the television, and realizes the situation that the main power of the television is turned off at any time. Wake up the TV remotely.
  • the TV can keep the main power off when not in use, which satisfies the demand for ultra-low standby power consumption of the TV. It is conducive to saving energy.
  • FIG. 8 is a flowchart of a second embodiment of a method for remotely waking up a television set in a low-power state according to the present invention.
  • the embodiment includes the steps in the embodiment shown in FIG. 7, and further includes after step S20. :
  • Step S32 the demodulation module extracts the television code stream from the television radio frequency signal, and sends the television code stream to the tuner of the television set;
  • the television radio frequency signal may include a television code stream in addition to the wake-up signal.
  • the server employs multiplexing techniques such as frequency division multiplexing, time division multiplexing, etc., to pre-modulate the TS stream and the wake-up signal into the same television RF signal.
  • the TS stream includes operation instructions that the TV needs to perform, such as an upgrade package, parameters to be adjusted, and the like.
  • the server can simultaneously transmit the TS stream and the wake-up signal to the television through one channel.
  • the demodulation module separates and demodulates the television radio frequency signal to obtain two signals.
  • the frequency of the first signal is consistent with the signal frequency of the wake-up signal, and the frequency of the second signal and the signal of the TS stream The frequency is the same.
  • the demodulation module outputs the first signal to the control module, and outputs the second signal to the high frequency head. If the control module determines that the first signal is not a valid wake-up signal, then the main power supply remains in the off state, the high frequency head does not work, and the received TS code stream is not processed.
  • the TS code stream and the wake-up signal are separated from the TV radio frequency signal by the demodulation module, and only one transmission channel is occupied when the signal is transmitted, and only one radio frequency signal is received, and the TS code stream and the wake-up signal can be simultaneously obtained. The signal transmission time is shortened, and the response speed of the remote wake-up TV is improved.
  • FIG. 9 is a flowchart of a third embodiment of a method for remotely waking up a television set in a low-power state according to the present invention.
  • the present embodiment includes the steps in the embodiment shown in FIG. 8.
  • Step S40 includes:
  • Step S41 the control module determines whether the wake-up signal is valid; if yes, step S42 is performed; if not, step S45 is performed;
  • Step S42 the control module controls the main power of the television to be turned on, and the main power source supplies power to the main chip and the high frequency head of the television;
  • Step S43 the tuner demodulates the television code stream, and sends the demodulated television code stream to the main chip;
  • Step S44 the main chip performs a corresponding operation according to the demodulated television code stream
  • step S45 the main power of the television is kept in an off state.
  • the demodulation module After the demodulation module separates the received television radio frequency signals to obtain two signals, the first channel signal is output to the control module, and the control module determines that the first channel signal is a valid wake-up signal, and then controls the television.
  • the main power is turned on. After the main power is turned on, the main power supply powers the main chip and the high frequency head, and the main chip and the high frequency head start to work.
  • the demodulation module outputs the second signal to the tuner. After the main power supply is supplied to the tuner and the main chip, the tuner extracts related instructions and audio and video included in the TS stream from the second signal.
  • the signal, the tuner transmits relevant instructions and audio and video signals to the main chip, and the main chip performs corresponding operations according to the relevant instructions.
  • the TS code stream and the wake-up signal are separated from the TV radio frequency signal by the demodulation module, and only one transmission channel is occupied when the signal is transmitted, and only one radio frequency signal is received, and the TS code stream and the wake-up signal can be simultaneously obtained.
  • the signal transmission time is shortened, and the response speed of the remote wake-up TV is improved.
  • the server may first transmit a television radio frequency signal including a wake-up signal to the television. After the television is awakened, the server transmits a television radio frequency signal including the television code stream to the television.
  • the server can also separately transmit the wake-up signal and the television code to the television set by using different channels.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Selective Calling Equipment (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé pour réveiller à distance un téléviseur dans un état de basse consommation d'énergie, comprenant les étapes suivantes : lorsque une source d'énergie principale d'un téléviseur se trouve dans un état éteint, une source d'énergie auxiliaire fournit de l'énergie à un module de démodulation et à un module de commande ; le module de démodulation reçoit un signal en radiofréquence de télévision envoyé par un serveur, le signal en radiofréquence de télévision comprenant un signal de réveil ; le module de démodulation extrait le signal de réveil du signal en radiofréquence de télévision et envoie le signal de réveil au module de commande ; et le module de commande commande, lorsqu'il est estimé que le signal de réveil est valide, la source d'énergie principale du téléviseur pour qu'elle s'active afin de réveiller le téléviseur. L'invention concerne également un appareil pour réveiller à distance un téléviseur dans un état de basse consommation d'énergie. La présente invention réalise qu'un téléviseur est réveillé à distance à tout moment dans le cas où une source d'énergie principale du téléviseur est éteinte et satisfait en même temps à la contrainte de consommation d'énergie de veille ultra-faible du téléviseur, ce qui est avantageux pour économiser de l'énergie.
PCT/CN2016/084841 2015-07-30 2016-06-03 Appareil et procédé pour réveiller à distance un téléviseur dans un état de basse consommation d'énergie WO2017016317A1 (fr)

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CN110913159B (zh) * 2019-11-29 2022-08-09 高创(苏州)电子有限公司 数字电视机、电子设备及控制方法

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