WO2018028124A1 - Téléviseur, et procédé de commutation de source de signal correspondant - Google Patents

Téléviseur, et procédé de commutation de source de signal correspondant Download PDF

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Publication number
WO2018028124A1
WO2018028124A1 PCT/CN2016/112543 CN2016112543W WO2018028124A1 WO 2018028124 A1 WO2018028124 A1 WO 2018028124A1 CN 2016112543 W CN2016112543 W CN 2016112543W WO 2018028124 A1 WO2018028124 A1 WO 2018028124A1
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WIPO (PCT)
Prior art keywords
signal source
current
target signal
main process
source
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PCT/CN2016/112543
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English (en)
Chinese (zh)
Inventor
林舜大
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深圳Tcl数字技术有限公司
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Publication of WO2018028124A1 publication Critical patent/WO2018028124A1/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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • 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

Definitions

  • the present invention relates to the field of television technologies, and in particular, to a television and a method for switching a signal source thereof.
  • the signal source switching method is to close the functions of the current signal source one by one according to the set order. Close the current source channel, and then, after detecting the target source, turn on and perform the corresponding functions of the target source one by one in a preset order, but there are often times when the function is turned off or on. It is very long, causing the TV to slow down and take a long time when switching the signal source, which affects the user experience.
  • the invention provides a method for switching a television set and a signal source thereof, and the main purpose thereof is to solve the technical problem that the signal source switching speed of the existing television set is slow and takes a long time.
  • the present invention provides a method for switching a television signal source, and the method for switching the television signal source includes:
  • the step of running the first main process of closing the current signal source includes:
  • the step of running the first secondary process that shuts down the current source includes:
  • the method for switching the television signal source further includes the steps of:
  • the step of operating the second secondary process that shuts down the current source includes:
  • the step of running the second main process of turning on the target signal source includes:
  • the method for switching the television signal source further includes the steps of:
  • the step of running the third secondary process includes:
  • the present invention provides a method for switching a television signal source, and the method for switching the television signal source includes:
  • the method for switching the television signal source is further Including steps:
  • the step of the running to close the first main process of the current signal source includes:
  • the step of running the first secondary process that shuts down the current source includes:
  • the method for switching the television signal source further includes the steps of:
  • the step of operating the second secondary process that shuts down the current source includes:
  • the step of running the second main process that starts the target signal source includes:
  • the channel of the target signal source is turned on, and the current state of the target signal source is saved.
  • the method for switching the television signal source further includes the following steps:
  • the step of running the third secondary process includes:
  • the present invention also provides a television set, the television set comprising:
  • a main process module configured to: when receiving the signal source switching instruction, run the first main process that turns off the current signal source;
  • a secondary process module configured to: when the first primary process is running, run the first secondary process and the second secondary process that close the current source;
  • the main process module is further configured to: after the first main process runs, run a second main process that turns on the target signal source to complete the switching of the television signal source, wherein when the channel of the current signal source is closed, It is determined that the first main process is running.
  • the secondary process module is further configured to: after the second primary process is completed, run a third secondary process that starts the target signal source, to complete setting of each function of the target signal source, where After the state preservation of the target signal source is completed, it is determined that the second main process is completed.
  • the running, by the main process module, the first main process of shutting down the current source includes: turning off the currently played audio and video, stopping the detection of the current source, and closing the channel of the current source;
  • the step of the secondary process module running to close the first secondary process of the current signal source includes: stopping the hbbtv service of the current signal source, and resetting the output of the SCART interface;
  • the secondary process module After the main process module stops the detection of the current signal source, the secondary process module starts to run the second secondary process; and the step of the secondary process module running to close the second secondary process of the current signal source includes:
  • the step that the main process module runs the second main process that starts the target signal source to complete the switching of the television signal source includes:
  • the channel of the target signal source is turned on, and the current state of the target signal source is saved.
  • the step of the secondary process module running the third secondary process includes:
  • the main process module After the main process module completes the channel of the target signal source, setting a sound configuration, a signal source re-display rate, and a proportional mode of the target signal source;
  • the method for switching a television set and a signal source thereof when receiving a signal source switching instruction, runs a first main process to turn off the current signal source, and runs a second main process to turn on the target signal source to speed up the television set
  • the current signal source is switched to the target signal source, and while the first main process is running, the first sub-process and the second sub-process that close the current source are operated, so that when the source is switched, multiple
  • the process is synchronized, that is, each function that needs to be executed in the process of signal source switching is divided into multiple processes, and the operation of each sub-process does not affect the main process. Therefore, synchronous operation can be concurrently performed, which greatly improves
  • the switching speed of the signal source shortens the time taken by the signal source switching, and solves the technical problem that the signal source switching speed of the existing television set is slow and takes a long time.
  • FIG. 1 is a flow chart of a first embodiment of a method for switching a television signal source according to the present invention
  • FIG. 2 is a schematic diagram of a switching process of a conventional television signal source
  • FIG. 3 is a schematic diagram of a switching process of a television signal source according to the present invention.
  • FIG. 4 is a schematic diagram of functional modules of a first embodiment of a television set of the present invention.
  • the invention provides a method for switching a television signal source.
  • FIG. 1 a flow chart of a first embodiment of a method for switching a television signal source according to the present invention is shown.
  • the method for switching the television signal source includes:
  • Step S10 when receiving the signal source switching instruction, running the first main process that closes the current signal source, and simultaneously running the first sub-process and the second sub-process that close the current signal source;
  • the method for switching the television signal source proposed by the present invention is applicable to various television sets, such as digital television, smart televisions with intelligent operating systems, and the like.
  • a smart television will be described as an example, but the present invention is not limited thereto.
  • the user can switch the signal source switching command based on the signal source switching control set by the remote control device of the television set or the signal source switching button set on the television set.
  • the first main process when receiving the signal source switching instruction, the first main process is run, and the first main process includes various operations closely related to the current signal source. Specifically, the first main process, that is, the television, performs the following steps. :
  • the process of turning off the current source is: turn off the currently playing audio and video, avoid the situation of the screen in the subsequent process, and stop the signal detection of the current source after the sound is turned off.
  • the general smart TV When the general smart TV is working, it will Detecting the currently used signal source, for example, detecting whether the signal of the signal source is locked, the format of the signal, the change of the signal, etc., at this time, the detection of the signal is stopped, that is, the detection of the above contents is stopped, Failure to do so may result in an error in the signal service, for example, a signal change may cause an incorrect execution of the signal detection service.
  • the stop detection that is, the control and each service module stop performing their respective functions. After the detection of the current source has stopped, the channel of the current source is turned off.
  • the second sub-process While running the first main process, the second sub-process is run, and the second sub-process is to close some services related to the current signal source, such as some implementations take a long time, but will not affect the main process of the switching signal source.
  • the service specifically, runs the first secondary process, ie the TV performs the following steps:
  • hbbtv Hybrid Broadcast/Broadband
  • DVB-compatible content distribution platform a DVB-compatible content distribution platform
  • the second sub-process mainly detects various functional modules related to the program play of the current signal source, if When a function module is turned on, its corresponding function is stopped.
  • the subtitle function will be stopped, for example, CC (Closed) Caption, American standard subtitles, etc.
  • the teletext function is currently enabled, and the function is also stopped.
  • teletext is a TV text broadcast, which is generally used in Europe; if 3D playback is enabled, the next source may not have 3D. Therefore, it is generally necessary to stop the 3D function.
  • Step S20 after the first main process is completed, running a second main process that turns on the target signal source to complete the switching of the television signal source, wherein when the channel of the current signal source is closed, determining the first main After the process is completed, after the state of the target signal source is saved, it is determined that the second main process is completed.
  • the second main process can be started to start the target signal source. It can be understood that if the second sub-process is not completed at this time, the process can still be continued. run. Specifically, the first main process is run, that is, the television performs the steps of: detecting a signal of the target signal source; turning on a channel of the target signal source when detecting the signal of the target signal source, and saving the The current state of the target source.
  • the signal detection of the target signal source channel is started. When the signal of the target signal source changes, it is detected. When the signal is detected, the channel of the target signal source is turned on, and the state of the target signal source is saved. In general, the second secondary process has been run before the channel of the target source is turned on.
  • the above-mentioned first main process of turning off the current signal source and the second main process of turning on the target signal source constitute the main process of the television switching signal source in the present invention, that is, the main process is an indispensable process for switching the signal source, and
  • the correlation between each service in the other sub-processes is not very large, and the function does not need to be coupled. Therefore, it can be executed concurrently with the main process; in addition, the time occupied by each service in the sub-process is often compared. Long, putting them in the secondary process execution can greatly reduce the total time taken by the source switch.
  • the number of the main process and the secondary process, and the functions to be performed in the main process and the functions to be performed in each secondary process can be set in advance. .
  • the method for switching the television signal source further includes the following steps:
  • the third sub-process that turns on the target signal source is run to complete the setting of each function of the target signal source.
  • the third secondary process is executed, that is, the television performs the following steps: setting a sound configuration, a signal source re-display rate, and a proportional mode of the target signal source; and starting various functions related to the television program playing of the target signal source. And updating the channel configuration list; setting the lock of the target signal source, and determining whether the target signal source needs to enable the hbbtv service, and if necessary, turning on the hbbtv service of the target signal source.
  • the test signal comes, and the sound setting is started. At this time, the sound and image are still turned off, the signal is locked, the sound and image are turned on; next, the signal source is redisplayed. Rate, different signal sources, the size of the displayed picture is different, like ATV analog signal, due to interference, the quality of the general edge is not very good, so the reproduction rate will be small, like DTV, HDMI (High Definition Multimedia Digital signals such as Interface, digital video/audio interface technology, anti-interference will be better, so the re-display rate will be larger, and the PC signal re-display rate requirement is 100%.
  • the next step is to set the proportional mode.
  • the user adjusts 4:3 or 16:9, after switching the signal source, set the proportional mode according to the ratio set by the user.
  • start OAD is a function of upgrading the TV using the DTV channel
  • the CEC is the communication between the HDMI devices
  • the MTS is the Liyin detection service
  • the Liyin is the near-instant down-converted audio multi-channel broadcast. Then update the channel list to prepare for channel playback. If the current source is locked, then if you need to start the hbbtv service, start the hbbtv service.
  • the switching signal source After the real switching source is turned on, as long as the current source state is saved, the switching signal source is completed, and the following sound settings, target signal source re-display rate, proportional mode, etc. can be started gradually, and these services are relatively expensive. At the time, the user can continue to execute in the background for the smooth operation of the user.
  • FIG. 2 a schematic diagram of a complete signal switching process when the television set is switched in the prior art
  • FIG. 3 is a schematic flowchart of switching the signal source according to the method proposed by the present invention.
  • the invention adopts a multi-process concurrent form to switch the signal source, which has no influence on the main process, but the time-consuming service is put into the secondary process execution, for example, the hbbtv service, the reset of the SCART interface output, etc., and the caption is stopped.
  • the services such as CC and teletext are the same. They do not affect the main switching signal source, but they are time consuming.
  • the execution time of these functions can be executed before the source channel is opened, so it can be executed concurrently.
  • the existing TV signal source switching takes 750ms, and with the method of the invention, the TV switching signal source only needs 200ms, which greatly improves the switching speed of the signal source and shortens the signal source switching occupation. time.
  • the method for switching the signal source when receiving the signal source switching instruction, runs the first main process to close the current signal source, and runs the second main process to turn on the target signal source, so that the price television is from the current signal source.
  • the switching speed shortens the time taken by the signal source switching, and solves the technical problem that the existing TV set signal switching speed is slow and takes a long time.
  • a second embodiment of the switching method of the television signal source of the present invention is proposed based on the first embodiment.
  • the method for switching the television signal source before the step of turning on the channel of the target signal source, the method for switching the television signal source further includes the steps of:
  • the delay waits until the second secondary process is completed, and the step of turning on the channel of the target signal source and saving the current state of the target signal source is performed.
  • the stop of services such as subtitles, CC, and teletext may not be executed before the target source channel is turned on. Therefore, when the target is detected.
  • the signal of the signal source it is first determined whether the secondary process is running. If the operation is completed, the channel of the target signal source is turned on, and the current state of the target signal source is saved, otherwise the delay waits until the second pair The process execution is complete.
  • the invention also proposes a television set.
  • FIG. 4 it is a schematic diagram of functional modules of a first embodiment of a television set of the present invention.
  • the television set includes:
  • the main process module 10 is configured to: when receiving the signal source switching instruction, run the first main process that closes the current signal source, and simultaneously run the first sub-process and the second sub-process that close the current signal source;
  • the secondary process module 20 is configured to: after the first primary process is completed, run a second main process that turns on the target signal source to complete the switching of the television signal source, where the channel of the current signal source is closed, The first main process is completed, and after the state of the target signal source is saved, it is determined that the second main process is completed.
  • the television set proposed by the present invention may be various types of television sets, such as digital televisions, smart televisions with intelligent operating systems, and the like.
  • a smart television will be described as an example, but the present invention is not limited thereto.
  • the user can switch the signal source switching command based on the signal source switching control set by the remote control device of the television set or the signal source switching button set on the television set.
  • the main process module 10 runs the first main process, and the first main process includes various operations closely related to the current signal source. Specifically, the main process module 10 runs first.
  • the main process that is, on behalf of the television, performs the following operations: turning off the currently playing audio and video, stopping the detection of the current source, and turning off the channel of the current source.
  • the main process module 10 turns off the currently playing audio and video, avoids the situation that the screen will appear in the subsequent process, and stops the signal detection of the current signal source after the sound is turned off.
  • the signal source performs detection, for example, detecting whether the signal of the signal source is locked, the format of the signal, the change of the signal, etc., at this time, the detection of the signal is stopped, that is, the detection of the above contents is stopped, otherwise the signal is caused.
  • An error occurs in the service. For example, a signal change can cause an erroneous execution of the signal detection service.
  • the stop detection that is, the control and each service module stop performing their respective functions. After the detection of the current source has stopped, the channel of the current source is turned off.
  • the sub-process module 20 runs the second sub-process, and the second sub-process closes some services related to the current signal source, such as some implementations take a long time, but will not be
  • the service that affects the main process of the signal source, in particular, the operation of the second sub-process by the sub-process module 20 includes: stopping the hbbtv service of the current source and resetting the output of the SCART interface.
  • the hbbtv module 20 runs the first secondary process. If the function of the hbbtv module is currently on, the module is stopped. Service, if the module itself is turned off, no action is required to keep it closed. Similarly, for the reset of the SCART interface output, if there is a SCART interface output, reset it, otherwise no operation is required.
  • the secondary process module 20 starts running the second secondary process
  • the secondary process module 20 stops various functions associated with program play of the current source to complete the operation of the second secondary process.
  • the second sub-process mainly detects various functional modules related to the program play of the current signal source, if When the function module is in the on state, the corresponding function is stopped.
  • the subtitle function will be stopped, for example, CC, etc.
  • the teletext function is currently enabled, and the function is also stopped, wherein, teletext For TV text broadcasting, it is generally used in Europe; if 3D playback is turned on, because the next source does not necessarily have 3D, it is generally necessary to stop the 3D function.
  • the sub-process module 20 can start running the second main process to turn on the target signal source. It can be understood that if the second pair is at this time The process has not finished running and can still continue to run. Specifically, the main process module 10 completes detecting the signal of the target signal source; when detecting the signal of the target signal source, turns on the channel of the target signal source, and saves the current state of the target signal source.
  • the main process module 10 starts signal detection of the target signal source channel, and when the signal of the target signal source changes, it detects that when the signal is detected, the channel of the target signal source is turned on, and the state of the target signal source is saved. In general, the second secondary process has been run before the channel of the target source is turned on.
  • the above-mentioned first main process of turning off the current signal source and the second main process of turning on the target signal source constitute the main process of the television switching signal source in the present invention, that is, the main process is an indispensable process for switching the signal source, and
  • the correlation between each service in the other sub-processes is not very large, and the function does not need to be coupled. Therefore, it can be executed concurrently with the main process; in addition, the time occupied by each service in the sub-process is often compared. Long, putting them in the secondary process execution can greatly reduce the total time taken by the source switch.
  • the number of the main process and the secondary process, and the functions to be performed in the main process and the functions to be performed in each secondary process can be set in advance. .
  • the secondary process module 20 runs a third secondary process that turns on the target signal source to complete setting of each function of the target signal source. Specifically, the secondary process module 20 sets a sound configuration, a signal source replay rate, and a proportional mode of the target signal source; starts various functions related to television program play of the target signal source, and updates a channel configuration list; Decoding the target signal source, and determining whether the target signal source needs to enable the hbbtv service, and if necessary, turning on the hbbtv service of the target signal source.
  • the test signal comes, and the sound setting is started. At this time, the sound and image are still turned off, the signal is locked, the sound and image are turned on; next, the signal source is redisplayed. Rate, different signal sources, the size of the displayed picture is different, like ATV analog signal, due to interference, the quality of the general edge is not very good, so the reproduction rate will be small, such as DTV, HDMI and other figures Signal, anti-interference will be better, so the re-display rate will be larger, and the PC signal's re-display rate requirement is 100%.
  • the next step is to set the proportional mode.
  • the user adjusts 4:3 or 16:9, after switching the signal source, set the proportional mode according to the ratio set by the user.
  • start OAD is a function of upgrading the TV using the DTV channel
  • the CEC is the communication between the HDMI devices
  • the MTS is the Liyin detection service
  • the Liyin is the near-instant down-converted audio multi-channel broadcast. Then update the channel list to prepare for channel playback. If the current source is locked, then if you need to start the hbbtv service, start the hbbtv service.
  • the switching signal source After the real switching source is turned on, as long as the current source state is saved, the switching signal source is completed, and the following sound settings, target signal source re-display rate, proportional mode, etc. can be started gradually, and these services are relatively expensive. At the time, the user can continue to execute in the background for the smooth operation of the user.
  • FIG. 2 a schematic diagram of a complete signal switching process when the television set is switched in the prior art
  • FIG. 3 is a schematic flowchart of switching the signal source according to the method proposed by the present invention.
  • the invention adopts a multi-process concurrent form to switch the signal source, which has no influence on the main process, but the time-consuming service is put into the secondary process execution, for example, the hbbtv service, the reset of the SCART interface output, etc., and the caption is stopped.
  • the services such as CC and teletext are the same. They do not affect the main switching signal source, but they are time consuming.
  • the execution time of these functions can be executed before the source channel is opened, so it can be executed concurrently.
  • the existing TV signal source switching takes 750ms, and with the method of the invention, the TV switching signal source only needs 200ms, which greatly improves the switching speed of the signal source and shortens the signal source switching occupation. time.
  • the television set when receiving the signal source switching instruction, runs the first main process to close the current signal source, runs the second main process to turn on the target signal source, and switches the price television to the target signal from the current signal source.
  • the source and, while running the first main process, runs the first sub-process and the second sub-process that close the current source, so that when the source is switched, multiple processes can be synchronized, that is, the source
  • the functions that need to be performed in the process of switching are divided into multiple processes, and the operation of each secondary process does not affect the main process. Therefore, synchronous operation can be performed concurrently, which greatly improves the switching speed of the signal source.
  • the time taken by the signal source switching is shortened, and the technical problem that the signal source switching speed of the existing television set is slow and takes a long time is solved.
  • a second embodiment of the television set of the present invention is proposed based on the first embodiment.
  • the secondary process module 20 is further configured to: after the main process module completes the channel of the target signal source, set a sound configuration, a signal source replay rate, and a proportional mode of the target signal source; Generating various functions related to television program play of the target signal source, and updating the channel configuration list; and setting a lock of the target signal source, and determining whether the target signal source needs to enable the hbbtv service, if necessary, The hbbtv service of the target source is turned on.
  • the secondary process module 20 first determines whether the secondary process is running. If the operation is completed, the channel of the target signal source is turned on, and the current state of the target signal source is saved, otherwise the delay waits until the The second sub-process is completed.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
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  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un téléviseur, et un procédé de commutation de source de signal correspondant. Le procédé consiste à : lorsqu'une instruction de commutation de source de signal est reçue, exécuter un premier processus principal pour éteindre une source de signal actuelle, et exécuter un premier processus auxiliaire et un second processus auxiliaire pour éteindre la source de signal actuelle ; et une fois l'exécution du premier processus principal accomplie, exécuter un second processus principal pour démarrer une source de signal cible, de sorte à réaliser une commutation de la source de signal de télévision. Lorsqu'un canal de la source de signal actuelle est fermé, l'invention détermine que l'exécution du premier processus principal est accomplie et, après qu'un état de la source de signal cible est enregistré, l'invention détermine que l'exécution du second processus principal est accomplie. L'invention concerne en outre un téléviseur. L'invention résout un problème technique lié au fait qu'une commutation de source de signal d'un téléviseur existant est lente et prend beaucoup de temps.
PCT/CN2016/112543 2016-08-09 2016-12-28 Téléviseur, et procédé de commutation de source de signal correspondant WO2018028124A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610649727.1A CN106254937B (zh) 2016-08-09 2016-08-09 电视机及其信号源的切换方法
CN201610649727.1 2016-08-09

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WO2018028124A1 true WO2018028124A1 (fr) 2018-02-15

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Cited By (1)

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