CN109660830A - A kind of channel playback method, device, equipment and medium - Google Patents
A kind of channel playback method, device, equipment and medium Download PDFInfo
- Publication number
- CN109660830A CN109660830A CN201811582571.5A CN201811582571A CN109660830A CN 109660830 A CN109660830 A CN 109660830A CN 201811582571 A CN201811582571 A CN 201811582571A CN 109660830 A CN109660830 A CN 109660830A
- Authority
- CN
- China
- Prior art keywords
- channel
- program data
- top box
- frequency point
- playing request
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
-
- 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 MPEG 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
- H04N21/45—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
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- 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
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
Abstract
The embodiment of the invention discloses a kind of channel playback method, device, equipment and media, which comprises the channel playing request that receiving set up box is initiated, and the corresponding device identification of the set-top box is determined according to the channel playing request；The device identification is matched with pre-set frequency point allocation list, determines broadcast channel corresponding with the device identification；The corresponding program data of the channel playing request is obtained, and the program data is broadcasted by the broadcast channel, so that the set-top box receives the program data by the broadcast channel.Method provided in an embodiment of the present invention is played by the program for carrying out different channel for the fixed frequency point of set-top box distribution, is accelerated the response time of channel broadcasting, is improved user experience.
Description
Technical field
The present embodiments relate to multimedia technology field more particularly to a kind of channel playback method, device, equipment and Jie
Matter.
Background technique
With popularizing for DTV, more and more users watch programme televised live by DTV.Cabled digital
The basic principle of television broadcasting system is, by dividing multiple frequency points within the scope of fixed band on the same cable, not
The program of fixed broadcast fixed station on same frequency point.DTV STB needs when watching different channels by high frequency thereon
Head is switched to the frequency point where the channel, relocks, and is transmitted according to the information for the frequency point being previously received, such as identity code
It wraps the information such as (port ID, PID), Entitlement Management Message (Entitled Manage Message, EMM) and carries out switching frequency again
Road.
Existing user requests channel to play mainly by three kinds of modes, changes first is that carrying out channel plus-minus in current channel
Platform, second is that selection zapping is carried out according to the information of electronic programming, third is that directly inputting channel number into electronic program guide interface
Zapping.Above-mentioned three kinds of zapping modes are required to carry out zapping using harmony device, just can play electronic programming after harmony device frequency locking, but
It is after needing user to determine some channel of broadcasting currently with the method for harmony device zapping, to control harmony device frequency locking, re-search for
The relevant table of CA control word, again according to the corresponding frequency point the configurating filtered device of channel to be played and audio/video decoder, then
The response time of channel broadcasting can be extended with normal play, this zapping mode, user experience effect is poor.
Summary of the invention
The embodiment of the invention provides a kind of channel playback method, device, equipment and media, are played and are responded with accelerating channel
Time improves user experience.
In a first aspect, the embodiment of the invention provides a kind of channel playback methods, comprising:
The channel playing request that receiving set up box is initiated, and determine that the set-top box is corresponding according to the channel playing request
Device identification；
The device identification is matched with pre-set frequency point allocation list, determination is corresponding with the device identification
Broadcast channel；
Obtain the corresponding program data of the channel playing request, and by the program data by the broadcast channel into
Row broadcast, so that the set-top box receives the program data by the broadcast channel.
Second aspect, the embodiment of the invention also provides a kind of channel playback methods, comprising:
Channel playing request is generated according to the channel play instruction detected, and the channel playing request is sent to and is broadcast
Put control server；
The program data that the broadcasting control server is broadcast is received by pre-set broadcast channel, and described in broadcasting
Program data.
The third aspect, the embodiment of the invention also provides a kind of channel playing devices, comprising:
Device identification determining module is played for the channel playing request that receiving set up box is initiated, and according to the channel
Request determines the corresponding device identification of the set-top box；
Broadcast channel determining module, for the device identification to be matched with pre-set frequency point allocation list,
Determine broadcast channel corresponding with the device identification；
Program data broadcasting module, for obtaining the corresponding program data of the channel playing request, and by the program
Data are broadcasted by the broadcast channel, so that the set-top box receives the program data by the broadcast channel.
Fourth aspect, the embodiment of the invention also provides a kind of channel playing devices, comprising:
Playing request sending module, for generating channel playing request according to the channel play instruction that detects, and by institute
It states channel playing request and is sent to broadcasting control server；
Program data receiving module is broadcast for receiving the broadcasting control server by pre-set broadcast channel
Program data, and play the program data.
5th aspect, the embodiment of the invention also provides a kind of equipment, the equipment includes:
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the channel playback method as provided by above-mentioned first aspect；And/or realize the channel as provided by above-mentioned second aspect
Playback method.
6th aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the channel playback method as provided by above-mentioned first aspect when the program is executed by processor；And/or it realizes such as
Channel playback method provided by above-mentioned second aspect.
The channel playing request that the embodiment of the present invention is initiated by receiving set up box, and it is true according to the channel playing request
Determine the corresponding device identification of the set-top box；The device identification is matched with pre-set frequency point allocation list, really
Fixed broadcast channel corresponding with the device identification；Obtain the corresponding program data of the channel playing request, and by the section
Mesh number by the broadcast channel according to being broadcasted, so that the set-top box receives the number of programs by the broadcast channel
According to by avoiding in channel switching again in the program data for broadcasting different channel for the fixed frequency point of set-top box distribution
Replacement scrambling parameter is carried out plus is had mercy on to program data, and then is avoided channel switching set-top box end and reacquired descrambling parameter pair
The data of acquisition are descrambled, and are accelerated the response time of channel broadcasting, are improved user experience.
Detailed description of the invention
Fig. 1 is a kind of flow chart of channel playback method provided by the embodiment of the present invention one；
Fig. 2 is a kind of flow chart of channel playback method provided by the embodiment of the present invention two；
Fig. 3 is a kind of flow chart of channel playback method provided by the embodiment of the present invention three；
Fig. 4 is a kind of flow chart of channel playback method provided by the embodiment of the present invention four；
Fig. 5 is a kind of structural schematic diagram of channel playing device provided by the embodiment of the present invention five；
Fig. 6 is a kind of structural schematic diagram of channel playing device provided by the embodiment of the present invention six；
Fig. 7 is the structural schematic diagram of equipment provided by the embodiment of the present invention seven.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is the flow chart of channel playback method provided by the embodiment of the present invention one, and the present embodiment is applicable to receive
When the channel playing request sent to set-top box, situation when broadcasting from program data to the corresponding set-top box of channel playing request.
This method can be applied to control Play Server, be executed by channel playing device, which can use software
And/or the mode of hardware is realized, for example, the channel playing device is configured in control Play Server.As shown in Figure 1, institute
The method of stating includes:
The channel playing request that S110, receiving set up box are initiated, and the machine top is determined according to the channel playing request
The corresponding device identification of box.
Currently, the mode for broadcasting program data to set-top box is general are as follows: broadcasting and TV director server passes through optical fiber for program data
It is transferred to each cell, the child servers of each cell pass through wide to this cell after modem modulates TV programme again
It broadcasts, set-top box locks the frequency point of channel to be played by adjusting tuner, receives the corresponding program data of channel frequency point to be played.
In the present embodiment, a kind of program data broadcasting method broadcast according to application is proposed, in the frequency for receiving set-top box transmission
When road playing request, program data corresponding with channel playing request is broadcast in pre-set frequency point.
Optionally, it can be arranged in cell server and play control server, receive use by playing control server
The channel playing request that family is initiated by set-top box, and program is broadcast according to the channel playing request received.
In the present embodiment, it plays in the channel playing request that set-top box received by control server is initiated and includes
The corresponding device identification of set-top box obtains the equipment for including in channel playing request by parsing to channel playing request
Mark and channel identication.
Illustratively, when user needs switching channels, electronic program guides (Electronic Program can be passed through
Guide, EPG) choose and need the program that plays, user selected after, program identification that set-top box is chosen according to user and itself
Device identification generate channel playing request, and the channel playing request of generation is sent to control Play Server, control is broadcast
After putting the channel playing request that server receives set-top box initiation, by being parsed to the channel playing request received,
Obtain the device identification for including in channel playing request and channel identication.
S120, the device identification is matched with pre-set frequency point allocation list, the determining and equipment mark
Know corresponding broadcast channel.
In the present embodiment, frequency point allocation list is preset, fixed frequency point is distributed for each set-top box device, by solid
Fixed frequency point broadcasts corresponding program data to each set-top box.After obtaining the corresponding device identification of channel playing request, it will obtain
The device identification obtained matches with pre-set frequency point allocation list, the equipment mark in pre-set frequency point allocation list
Regional search is known with the presence or absence of the matched device identification of device identification with acquisition, and if it exists, it is corresponding then to obtain the device identification
Broadcast channel, and using the broadcast channel as the broadcast channel for issuing program data corresponding with channel playing request.
Illustratively, if the device identification for including in channel playing request is 2, pre-set frequency point allocation column are searched
Table, by broadcast channel corresponding with device identification 2 in frequency point allocation list, as issuing program corresponding with channel playing request
The broadcast channel of data.
S130, the corresponding program data of the channel playing request is obtained, and the program data is passed through into the broadcast
Channel is broadcasted, so that the set-top box receives the program data by the broadcast channel.
It in the present embodiment, can be by searching for the rendition list after obtaining the channel identication for including in channel playing request
It determines program data corresponding with channel identication, determining program data is broadcast by above-mentioned broadcast channel.
Optionally, it when broadcasting control server broadcasts program data corresponding with channel identication, is asked relative to channel broadcasting
Corresponding set-top box is sought, although having replaced the channel broadcast, does not replace the frequency point broadcast, therefore the scrambling to program data
Mode is constant, after controlling the program switching of the corresponding channel of Play Server completion, set-top box device also same time completion pair
The program of channel is answered to switch.Accordingly, with respect to set-top box device end, what program no matter switched, all no longer need to switch frequency point,
It resets control word, reset descrambler and audio/video decoder.Therefore, channel provided by the embodiment of the present invention is cut
Throw-over degree depends entirely on communication time and control Play Server switching section object time.Optionally, it can choose high-performance
Server is as control Play Server, and processing speed is much larger than the processing speed of set-top box device, therefore it cuts platform speed
Platform speed is cut far faster than conventional.
Method provided by the embodiment of the present invention can be improved user Qie Tai speed, improve user experience, and this
It is uniform that method provided by inventive embodiments was realized cut platform speed, may be implemented close to 0 second zapping.It should be noted that examining
The limitation channel playback method provided in an embodiment of the present invention for considering whole frequency point resource can be with traditional channel playback method
It is used in combination, it can part set-top box device provides road playback method using the embodiment of the present invention, and part set-top box device makes
Broadcasting for program is carried out with traditional mode of broadcasting.Channel playback method provided by the embodiment of the present invention is equally applicable to program request
System is that set-top box device issues corresponding number of programs by the above method when receiving the on-demand request of set-top box initiation
According to.
The channel playing request that the embodiment of the present invention is initiated by receiving set up box, and it is true according to the channel playing request
Determine the corresponding device identification of the set-top box；The device identification is matched with pre-set frequency point allocation list, really
Fixed broadcast channel corresponding with the device identification；Obtain the corresponding program data of the channel playing request, and by the section
Mesh number by the broadcast channel according to being broadcasted, so that the set-top box receives the number of programs by the broadcast channel
According to by avoiding in channel switching again in the program data for broadcasting different channel for the fixed frequency point of set-top box distribution
Replacement scrambling parameter is carried out plus is had mercy on to program data, and then is avoided channel switching set-top box end and reacquired descrambling parameter pair
The data of acquisition are descrambled, and are accelerated the response time of channel broadcasting, are improved user experience.
On the basis of above scheme, before the channel playing request that the receiving set up box is initiated, further includes:
The frequency point allocation request that the set-top box is initiated is received, and the set-top box is determined according to frequency point allocation request
Corresponding device identification；
It obtains frequency point and utilizes state table, from the frequency point using an idle channel is chosen in state table, by selected sky
Idle channel mark and the corresponding configuration parameter of the idle channel are sent to the set-top box, and according to the device identification with
And the idle channel information update frequency point allocation list.
In the present embodiment, before the channel playing request that receiving set up box is initiated, receiving set up box initiation is increased
Frequency point allocation request operation, requested according to the frequency point allocation that the set-top box that receives is initiated, it is fixed for set-top box distribution
Frequency point, the program data for needing to broadcast for broadcasting the set-top box.
Optionally, after the frequency point allocation that control Play Server receives set-top box initiation is requested, pass through the frequency to acquisition
Point distribution request is parsed, and the equipment mark of the set-top box for the initiation frequency point allocation request for including in frequency point allocation request is obtained
Know, and verifies the permission and payment state of the corresponding user of the device identification.If the corresponding user account of the device identification is in
Normal condition, i.e. payment are normal and there is the permission of viewing program, then choose one in the available frequency point resource from frequency point using table
Set-top box device corresponding to the device identification can be distributed with an available channel of frequency point, by the frequency point information of selection, Yi Jipin
The corresponding configuration parameter of point information is sent to the corresponding set-top box device of the device identification, and by device identification and is the equipment
The channel information for identifying corresponding set-top box device distribution is added in frequency point allocation list, so that subsequent program broadcasts process
In, corresponding broadcast channel is determined by searching for frequency point allocation list.
In the present embodiment, frequency point utilizes state table for recording the use of current all available frequency points and each frequency point
State.Optionally, the corresponding configuration parameter of frequency point information includes video pid information, Audio PID information and related to CA descrambling
The configuration informations such as pid information.
Optionally, if the corresponding user account of the device identification is abnormal, the message of account exception is sent to set-top box
Equipment, and shown by display device, to notify user account exception information.
On the basis of above scheme, the method also includes:
The heartbeat signal that the set-top box is sent is received, and determines that the set-top box is corresponding according to the heartbeat signal and sets
Standby mark；
If not receiving the heartbeat signal beyond preset time threshold, deletes and set described in the frequency point allocation list
Standby mark and broadcast channel corresponding with the device identification, and update frequency point and utilize state table.
Optionally, the frequency point allocation request initiated in response set-top box, after frequency point allocation to set-top box device, control
Play Server can continue receiving set up box equipment transmission heartbeat signal, when be more than preset time threshold do not receive user
Also in the heartbeat signal watched, then the frequency point resource that current set top box equipment occupies is recycled, from frequency point allocation list
The middle device identification and frequency point information corresponding with the device identification for deleting set-top box device.It is set receiving other set-top boxes
After the frequency point allocation request that preparation rises, which is distributed into other set-top box devices and is used.
Embodiment two
Fig. 2 is that a kind of flow chart of channel playback method, the present embodiment provided by the embodiment of the present invention two are applicable to
Situation when detecting channel play instruction, when broadcasting from program data to control Play Server request.This method can answer
It for bi-directional set-top box, is executed by channel playing device, which can be real by the way of software and/or hardware
It is existing, for example, the channel playing device is configured in set-top box device.As shown in Figure 2, which comprises
S210, channel playing request is generated according to the channel play instruction detected, and the channel playing request is sent out
It send to broadcasting control server.
In the present embodiment, set-top box device is after detecting channel play instruction, by carrying out to channel play instruction
Parsing, obtains the channel identication for including in channel play instruction, is then broadcast according to the device identification of set-top box device and channel
It puts the channel identication for including in instruction and generates channel playing request, and the channel playing request of generation is sent to control and plays clothes
Business device.
Illustratively, when user needs to switch watched channel, channel sequence number can be chosen by remote controler, or
Person chooses the switching of the progress channel of the program in the rendition list, after user chooses channel to be played by remote controler, if with
The channel identication for the channel to be played that family is chosen be 1, then remote controler to set-top box device initiate include channel to be played frequency
The channel play instruction of road mark 1, set-top box device receive the channel play instruction, and by the channel play instruction into
Row parsing, obtains the channel identication 1 of channel to be played, then according to the device identification S2 of itself and the channel of channel to be played
It includes the channel identication 1 of channel to be played and the channel playing request of device identification S2 that mark 1, which is formed, and the channel is broadcast
It puts request and is sent to broadcasting control server, initiate the frequency so as to play control server and can determine by channel playing request
The set-top box device of road playing request and the corresponding program data of channel playing request.
S220, the program data that the broadcasting control server is broadcast is received by pre-set broadcast channel, and broadcast
Put the program data.
In the present embodiment, to after playing control server initiation channel playing request, led to by pre-set broadcast
Road, which receives, plays the program data that control server is broadcast, and passes through display after carrying out scramble process to the program data received
Device plays.
In channel playback method provided by the embodiment of the present invention, the frequency point that set-top box device receives program data is fixed
, that is to say, that no matter set-top box device needs to receive the program data of which channel, is carried out by pre-set frequency point
It receives.For the program data of different channel, filter type and descrambling mode are all the same, avoid existing channel broadcasting side
Filter type caused by the corresponding different frequent points of different channel, descrambling mode are different in method, accelerate the response of channel broadcasting
Speed.
It is optionally, described to play the program data, comprising:
The program data is filtered according to pre-set filtration parameter, obtains filtered program data；
Filtered program data is descrambled according to pre-set descrambling parameter, obtains played data, and play
The played data.
In the present embodiment, program data is handled by pre-set configuration parameter, obtains played data, and
Obtained played data is played by display device.Optionally, pre-set configuration parameter includes video pid information, sound
Frequency pid information and pid information relevant to CA descrambling etc..After receiving program data, joined by pre-set filtering
Several pairs of program datas are filtered, and are then descrambled according to pre-set descrambling parameter to filtered program data, are obtained
To played data, and play the played data.Optionally, filtration parameter can be according to video pid information, Audio PID information
Etc. information configured, descrambling parameter can be configured according to information such as pid informations relevant to CA descrambling.It needs to illustrate
It is that pre-set configuration parameter is configuration parameter corresponding with pre-set broadcast channel.
The embodiment of the present invention, which passes through, generates channel playing request according to the channel play instruction that detects, and by the channel
Playing request is sent to broadcasting control server；The broadcasting control server is received by pre-set broadcast channel to broadcast
Program data, and play the program data, control Play Server received by the frequency point of pre-set fixation and is broadcast
Different channel program data, avoid in channel switching to receive again and play the configuration parameter that control server is sent,
Program data is received further according to received configuration parameter again and scramble process is filtered to program data, is accelerated channel and is broadcast
The response time put, improve user experience.
Embodiment three
Fig. 3 is a kind of flow chart of channel playback method provided by the embodiment of the present invention three, and the present embodiment is in embodiment
Further optimized on the basis of two.As shown in Figure 3, which comprises
S310, frequency point allocation request is formed according to device identification, and frequency point allocation request is sent to the broadcasting
Control server.
In the present embodiment, before generating channel playing request according to the channel play instruction that detects, increase to
The operation that Play Server sends frequency point allocation request is controlled, for requesting to play control server to be set-top box device distribution one
Fixed frequency point, and the fixation frequency point by distributing broadcasts the program data of different channel.
Optionally, after set-top box device starting up, frequency point can be generated according to the device identification of set-top box device first
Distribution request, and by include device identification frequency point allocation request be sent to broadcasting control server.Optionally, set-top box
Device identification can be recognized for the equipment identities identification code (Identification Card, ID) of set-top box or the encryption of set-top box
Card system (Conditional Access, CA) card number etc..
S320, the broadcast channel parameter for playing control server and sending is received, and according to the broadcast channel parameter
Adjust configuration parameter.
Optionally, it to after playing control server transmission frequency point allocation request, receives and plays what control server was sent
It include the broadcast channel parameter of channel information and the corresponding configuration information of channel information, and according to the broadcast channel received
Parameter adjusts the configuration parameter of set-top box device, so that set-top box device can receive broadcasting control service in the channel of distribution
The program data that device is broadcast.
It is optionally, described that configuration parameter is adjusted according to the broadcast channel parameter, comprising:
The gap marker in the broadcast channel parameter is obtained, and tuner is adjusted according to the gap marker and is locked
Frequently；
The configuration parameter in the broadcast channel parameter is obtained, and filter condition and solution are arranged according to the configuration parameter
Disturb parameter.
Optionally, include in broadcast channel parameter for set-top box device distribution channel information, and with the channel information
Corresponding configuration parameter can be logical according to include in broadcast channel parameter after set-top box device receives broadcast channel parameter
Road information determine control Play Server be set-top box device distribution frequency point, and control tuner adjust to corresponding frequency point into
Row frequency locking, while according to the filtering of the information configurations filters such as video pid information, the Audio PID information for including in configuration parameter
Parameter is arranged according to the information configurations such as the pid information relevant to CA descrambling for including in configuration parameter descrambling relevant with CA, with
Set-top box device is set to receive program data by the broadcast channel that control Play Server is set-top box device distribution, and
Descrambling is filtered to the program data received by filtration parameter, the descrambling parameter etc. that set, obtains played data.
S330, channel playing request is generated according to the channel play instruction detected, and the channel playing request is sent out
It send to broadcasting control server.
S340, the program data that the broadcasting control server is broadcast is received by pre-set broadcast channel, and broadcast
Put the program data.
The technical solution of the embodiment of the present invention increases send to control Play Server on the basis of the above embodiments
The operation of frequency point allocation request by forming frequency point allocation request according to device identification, and the frequency point allocation is requested to send
To the broadcasting control server, the broadcast channel parameter for playing control server and sending is received, and according to the broadcast
Channel parameters adjust configuration parameter, are receiving between program data, and the frequency locking of frequency point is fixed in adjustment tuner, and adjusts and match
Parameter is set, the time for receiving program data and being filtered descrambling to program data is accelerated, and then accelerates channel broadcasting
Response time.
Example IV
Fig. 4 is a kind of flow chart of channel playback method provided by the embodiment of the present invention four, and the present embodiment is in above-mentioned reality
On the basis of applying example, a kind of preferred embodiment is provided, as shown in Figure 4, which comprises
S410, set-top box form frequency point allocation request according to device identification, and frequency point allocation request is sent to and is broadcast
Put control server.
In the present embodiment, frequency point allocation request is formed according to device identification after set-top-box opening starting, and by generation
Frequency point allocation request is sent to broadcasting control server.
S420, control Play Server receive the frequency point allocation request that the set-top box is initiated, and according to the frequency point point
The corresponding device identification of the set-top box is determined with request.
Optionally, the frequency point allocation request that control Play Server receiving set up box is initiated, by requesting frequency point allocation
It is parsed, obtains the device identification that frequency point allocation requests corresponding set-top box.
S430, control Play Server utilize in state table from frequency point chooses an idle channel, by the idle channel of selection
Mark and the corresponding configuration parameter of the idle channel are sent to the set-top box, and according to the device identification and described
Idle channel information update frequency point allocation list.
Optionally, control Play Server utilizes state table by searching for frequency point, and a frequency point is distributed from available resources
One channel is to set-top box, and by frequency point information, the subsequent video PID used, Audio PID information and relevant to CA descrambling
Pid information feeds back to set-top box device.
S440, set-top box receive the broadcast channel parameter that the broadcasting control server is sent, and logical according to the broadcast
Road parameter adjusts configuration parameter.
Optionally, the feedback of control server to be played such as after set-top box device normally starts, after receiving feedback, according to
The feedback information received, control tuner, filter and the relevant descrambling setting of CA.
S450, set-top box generate channel playing request according to the channel play instruction detected, and the channel is played
Request is sent to broadcasting control server.
Optionally, if set-top box, which is in, is initially powered up state, the program sequence number that active user watches is obtained, and generate
Include the channel playing request of program sequence number, and channel playing request is sent to broadcasting control server.If set-top box
In normal playing status, then channel playing request is generated according to the channel play instruction detected, and by channel playing request
It is sent to broadcasting control server.
The channel playing request that S460, control Play Server receiving set up box are initiated, and asked according to channel broadcasting
It asks and determines the corresponding device identification of the set-top box.
Optionally, after control Play Server receives the channel playing request that set-top box is initiated, by being played to frequency point
Request is parsed, and the device identification for including in channel playing request is obtained.
S470, control Play Server match the device identification with pre-set frequency point allocation list, really
Fixed broadcast channel corresponding with the device identification.
Optionally, control Play Server is determined as the channel letter of device identification distribution by searching for frequency point allocation list
Breath determines broadcast channel corresponding with set-top box.
S480, control Play Server obtain the corresponding program data of channel playing request, and the program data are led to
The broadcast channel is crossed to be broadcasted.
Optionally, after controlling Play Server by searching for the rendition list, program corresponding with channel playing request is obtained
Data broadcast the program data by determining broadcast channel.
S490, set-top box receive the number of programs that the broadcasting control server is broadcast by pre-set broadcast channel
According to, and play the program data.
Optionally, set-top box receives the program data for playing control server and broadcasting by pre-assigned broadcast channel,
Descrambling is filtered to program data by pre-set filtration parameter, descrambling parameter etc., obtains played data, and by aobvious
Showing device plays.
Embodiment five
Fig. 5 is a kind of structural schematic diagram of channel playing device provided by the embodiment of the present invention five.The channel plays dress
Setting can be realized by the way of software and/or hardware, such as the channel playing device can be configured in equipment, such as Fig. 5 institute
To show, described device includes: device identification determining module 510, broadcast channel determining module 520 and program data broadcasting module 530,
Wherein:
Device identification determining module 510 for the channel playing request that receiving set up box is initiated, and is broadcast according to the channel
It puts request and determines the corresponding device identification of the set-top box；
Broadcast channel determining module 520 is used for the device identification and pre-set frequency point allocation list progress
Match, determines broadcast channel corresponding with the device identification；
Program data broadcasting module 530, for obtaining the corresponding program data of the channel playing request, and by the section
Mesh number by the broadcast channel according to being broadcasted, so that the set-top box receives the number of programs by the broadcast channel
According to.
The embodiment of the present invention passes through the channel playing request that device identification determining module receiving set up box is initiated, and according to institute
It states channel playing request and determines the corresponding device identification of the set-top box；Broadcast channel determining module is by the device identification and in advance
The frequency point allocation list being first arranged is matched, and determines broadcast channel corresponding with the device identification；Program data broadcasts mould
Block obtains the corresponding program data of the channel playing request, and the program data is carried out extensively by the broadcast channel
It broadcasts, so that the set-top box receives the program data by the broadcast channel, by the frequency fixed for set-top box distribution
Point broadcasts the program data of different channel, avoids and re-replaces scrambling parameter in channel switching and add to program data
It is rich, and then avoid channel switching set-top box end reacquisition descrambling parameter and the data of acquisition are descrambled, accelerate frequency
The response time that road plays, improve user experience.
On the basis of above scheme, described device further includes frequency point allocation module, is used for
Before the channel playing request that the receiving set up box is initiated, receives the frequency point allocation that the set-top box is initiated and ask
It asks, and the corresponding device identification of the set-top box is determined according to frequency point allocation request；
It obtains frequency point and utilizes state table, from the frequency point using an idle channel is chosen in state table, by selected sky
Idle channel mark and the corresponding configuration parameter of the idle channel are sent to the set-top box, and according to the device identification with
And the idle channel information update frequency point allocation list.
On the basis of above scheme, described device further includes heartbeat signal detection module, is used for:
The heartbeat signal that the set-top box is sent is received, and determines that the set-top box is corresponding according to the heartbeat signal and sets
Standby mark；
If not receiving the heartbeat signal beyond preset time threshold, deletes and set described in the frequency point allocation list
Standby mark and broadcast channel corresponding with the device identification, and update frequency point and utilize state table.
The executable channel for being applied to play control server of channel playing device provided by the embodiment of the present invention plays
Method has the corresponding functional module of execution method and beneficial effect.
Embodiment six
Fig. 6 is a kind of structural schematic diagram of channel playing device provided by the embodiment of the present invention six.The channel plays dress
Setting can be realized by the way of software and/or hardware, such as the channel playing device can be configured in equipment, such as Fig. 6 institute
Show, described device includes: playing request sending module 610 and program data receiving module 620, in which:
Playing request sending module 610, for generating channel playing request according to the channel play instruction detected, and will
The channel playing request is sent to broadcasting control server；
Program data receiving module 620, for receiving the broadcasting control server by pre-set broadcast channel
The program data broadcast, and play the program data.
The embodiment of the present invention generates channel according to the channel play instruction detected by playing request sending module and plays
Request, and the channel playing request is sent to broadcasting control server；Program data receiving module passes through pre-set
Broadcast channel receives the program data that the broadcasting control server is broadcast, and plays the program data, by presetting
The frequency point of fixation receive the program data of different channel that control Play Server is broadcast, avoid in channel switching again
It receives and plays the configuration parameter that control server is sent, receive program data further according to received configuration parameter again and to program
Data are filtered scramble process, accelerate the response time of channel broadcasting, improve user experience.
On the basis of above scheme, described device further include:
Frequency point allocation request module, channel play instruction for being detected in the basis generate channel playing request it
Before, frequency point allocation request is formed according to device identification, and frequency point allocation request is sent to the broadcasting control server；
Configuration parameter adjusts module, the broadcast channel parameter sent for receiving the broadcasting control server, and according to
The broadcast channel parameter adjusts configuration parameter.
On the basis of above scheme, the configuration parameter adjustment module is specifically used for:
The gap marker in the broadcast channel parameter is obtained, and tuner is adjusted according to the gap marker and is locked
Frequently；
The configuration parameter in the broadcast channel parameter is obtained, and filter condition and solution are arranged according to the configuration parameter
Disturb parameter.
On the basis of above scheme, the program data receiving module is specifically used for:
The program data is filtered according to pre-set filtration parameter, obtains filtered program data；
Filtered program data is descrambled according to pre-set descrambling parameter, obtains played data, and play
The played data.
The executable channel playback method applied to bi-directional set-top box of channel playing device provided by the embodiment of the present invention,
Have the corresponding functional module of execution method and beneficial effect.
Embodiment seven
Fig. 7 is the structural schematic diagram of equipment provided by the embodiment of the present invention seven.Fig. 7, which is shown, to be suitable for being used to realizing this hair
The block diagram of the example devices 712 of bright embodiment.Equipment can be implemented in a variety of manners, and the equipment in the present invention can wrap
Include but be not limited to server, set-top box etc..The equipment 712 that Fig. 7 is shown is only an example, should not be to the embodiment of the present invention
Function and use scope bring any restrictions.
As shown in fig. 7, equipment 712 is showed in the form of universal computing device.The component of equipment 712 may include but unlimited
In one or more processor 716, system storage 728, different system components (including system storage 728 and place are connected
Manage device 716) bus 718.
Bus 718 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor 716 or total using the local of any bus structures in a variety of bus structures
Line.For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture
(MAC) bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) are total
Line.
Equipment 712 typically comprises a variety of computer system readable media.These media can be it is any can be by equipment
The usable medium of 712 access, including volatile and non-volatile media, moveable and immovable medium.
System storage 728 may include the computer system readable media of form of volatile memory, such as deposit at random
Access to memory (RAM) 730 and/or cache memory 732.Equipment 712 may further include other removable/not removable
Dynamic, volatile/non-volatile computer system storage medium.Only as an example, storage device 734 can be used for read and write can not
Mobile, non-volatile magnetic media (Fig. 7 do not show, commonly referred to as " hard disk drive ").Although being not shown in Fig. 7, Ke Yiti
For the disc driver for being read and write to removable non-volatile magnetic disk (such as " floppy disk "), and to moving non-volatile light
The CD drive of disk (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driver
It can be connected by one or more data media interfaces with bus 718.Memory 728 may include that at least one program produces
Product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform of the invention each
The function of embodiment.
Program/utility 740 with one group of (at least one) program module 742, can store in such as memory
In 728, such program module 742 includes but is not limited to operating system, one or more application program, other program modules
And program data, it may include the realization of network environment in each of these examples or certain combination.Program module 742
Usually execute the function and/or method in embodiment described in the invention.
Equipment 712 can also be logical with one or more external equipments 714 (such as keyboard, sensing equipment, display 724 etc.)
Letter, can also be enabled a user to one or more equipment interact with the equipment 712 communicate, and/or with make the equipment 712
Any equipment (such as network interface card, modem etc.) that can be communicated with one or more of the other calculating equipment communicates.This
Kind communication can be carried out by input/output (I/O) interface 722.Also, equipment 712 can also by network adapter 720 with
One or more network (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) communication.Such as
Shown in figure, network adapter 720 is communicated by bus 718 with other modules of equipment 712.It should be understood that although not showing in figure
Out, other hardware and/or software module can be used with bonding apparatus 712, including but not limited to: microcode, device driver, superfluous
Remaining processing unit, external disk drive array, RAID system, tape drive and data backup storage system etc..
Processor 716 by the program that is stored in system storage 728 of operation, thereby executing various function application and
Data processing, such as realize channel playback method provided by the embodiment of the present invention, this method comprises:
The channel playing request that receiving set up box is initiated, and determine that the set-top box is corresponding according to the channel playing request
Device identification；The device identification is matched with pre-set frequency point allocation list, the determining and device identification
Corresponding broadcast channel；It obtains the corresponding program data of the channel playing request, and the program data is passed through described wide
It broadcasts channel to be broadcasted, so that the set-top box receives the program data by the broadcast channel.
And/or realize channel playback method provided by the embodiment of the present invention, this method comprises:
Channel playing request is generated according to the channel play instruction detected, and the channel playing request is sent to and is broadcast
Put control server；The program data that the broadcasting control server is broadcast is received by pre-set broadcast channel, and is broadcast
Put the program data.
Certainly, it will be understood by those skilled in the art that processor can also realize it is provided by any embodiment of the invention
The technical solution of channel playback method.
Embodiment eight
The embodiment of the present invention eight additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
The channel playback method as provided by the embodiment of the present invention is realized when program is executed by processor, this method comprises:
The channel playing request that receiving set up box is initiated, and determine that the set-top box is corresponding according to the channel playing request
Device identification；The device identification is matched with pre-set frequency point allocation list, the determining and device identification
Corresponding broadcast channel；It obtains the corresponding program data of the channel playing request, and the program data is passed through described wide
It broadcasts channel to be broadcasted, so that the set-top box receives the program data by the broadcast channel.
And/or realize channel playback method provided by the embodiment of the present invention, this method comprises:
Channel playing request is generated according to the channel play instruction detected, and the channel playing request is sent to and is broadcast
Put control server；The program data that the broadcasting control server is broadcast is received by pre-set broadcast channel, and is broadcast
Put the program data.
Certainly, a kind of computer readable storage medium provided by the embodiment of the present invention, the computer program stored thereon
The method operation being not limited to the described above, can also be performed the phase in channel playback method provided by any embodiment of the invention
Close operation.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media
Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool
There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of channel playback method characterized by comprising
The channel playing request that receiving set up box is initiated, and determine that the set-top box is corresponding according to the channel playing request and set
Standby mark；
The device identification is matched with pre-set frequency point allocation list, is determined corresponding with the device identification wide
Broadcast channel；
The corresponding program data of the channel playing request is obtained, and the program data is carried out extensively by the broadcast channel
It broadcasts, so that the set-top box receives the program data by the broadcast channel.
2. the method according to claim 1, wherein the receiving set up box initiate channel playing request it
Before, further includes:
The frequency point allocation request that the set-top box is initiated is received, and determines that the set-top box is corresponding according to frequency point allocation request
Device identification；
It obtains frequency point and utilizes state table, from the frequency point using an idle channel is chosen in state table, the selected free time is led to
Road mark and the corresponding configuration parameter of the idle channel are sent to the set-top box, and according to the device identification and institute
State idle channel information update frequency point allocation list.
3. the method according to claim 1, wherein further include:
The heartbeat signal that the set-top box is sent is received, and the corresponding equipment mark of the set-top box is determined according to the heartbeat signal
Know；
If not receiving the heartbeat signal beyond preset time threshold, equipment mark described in the frequency point allocation list is deleted
Knowledge and broadcast channel corresponding with the device identification, and update frequency point and utilize state table.
4. a kind of channel playback method characterized by comprising
Channel playing request is generated according to the channel play instruction detected, and the channel playing request is sent to broadcasting control
Control server；
The program data that the broadcasting control server is broadcast is received by pre-set broadcast channel, and plays the program
Data.
5. according to the method described in claim 4, it is characterized in that, generating frequency in the channel play instruction that the basis detects
Before road playing request, further includes:
Frequency point allocation request is formed according to device identification, and frequency point allocation request is sent to the broadcasting control service
Device；
The broadcast channel parameter that the broadcasting control server is sent is received, and configuration ginseng is adjusted according to the broadcast channel parameter
Number.
6. according to the method described in claim 5, it is characterized in that, described adjust configuration ginseng according to the broadcast channel parameter
Number, comprising:
The gap marker in the broadcast channel parameter is obtained, and tuner is adjusted according to the gap marker and carries out frequency locking；
The configuration parameter in the broadcast channel parameter is obtained, and filter condition and descrambling ginseng are arranged according to the configuration parameter
Number.
7. a kind of channel playing device characterized by comprising
Device identification determining module, for the channel playing request that receiving set up box is initiated, and according to the channel playing request
Determine the corresponding device identification of the set-top box；
Broadcast channel determining module is determined for matching the device identification with pre-set frequency point allocation list
Broadcast channel corresponding with the device identification；
Program data broadcasting module, for obtaining the corresponding program data of the channel playing request, and by the program data
It is broadcasted by the broadcast channel, so that the set-top box receives the program data by the broadcast channel.
8. a kind of channel playing device characterized by comprising
Playing request sending module, for generating channel playing request according to the channel play instruction that detects, and by the frequency
Road playing request is sent to broadcasting control server；
Program data receiving module, for receiving the section that the broadcasting control server is broadcast by pre-set broadcast channel
Mesh number evidence, and play the program data.
9. a kind of equipment, which is characterized in that the equipment includes:
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as channel playback method as claimed in any one of claims 1-3；And/or frequency of the realization as described in any in claim 4-6
Road playback method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Such as channel playback method as claimed in any one of claims 1-3 is realized when execution；And/or it realizes as any in claim 4-6
The channel playback method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582571.5A CN109660830A (en) | 2018-12-24 | 2018-12-24 | A kind of channel playback method, device, equipment and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582571.5A CN109660830A (en) | 2018-12-24 | 2018-12-24 | A kind of channel playback method, device, equipment and medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109660830A true CN109660830A (en) | 2019-04-19 |
Family
ID=66116424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811582571.5A Pending CN109660830A (en) | 2018-12-24 | 2018-12-24 | A kind of channel playback method, device, equipment and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109660830A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168504A (en) * | 2014-08-01 | 2014-11-26 | 北京数码视讯科技股份有限公司 | Digital television program switchover method and device |
| US20150085196A1 (en) * | 2013-09-25 | 2015-03-26 | Ali (Zhuhai) Corporation | Apparatus for switching television channels and method thereof |
| CN105933732A (en) * | 2016-06-14 | 2016-09-07 | 天脉聚源(北京)传媒科技有限公司 | Video playing duration counting method and system |
| CN106231417A (en) * | 2016-08-31 | 2016-12-14 | 浙江创佳数字技术有限公司 | The distribution method of DTV |
-
2018
- 2018-12-24 CN CN201811582571.5A patent/CN109660830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150085196A1 (en) * | 2013-09-25 | 2015-03-26 | Ali (Zhuhai) Corporation | Apparatus for switching television channels and method thereof |
| CN104168504A (en) * | 2014-08-01 | 2014-11-26 | 北京数码视讯科技股份有限公司 | Digital television program switchover method and device |
| CN105933732A (en) * | 2016-06-14 | 2016-09-07 | 天脉聚源(北京)传媒科技有限公司 | Video playing duration counting method and system |
| CN106231417A (en) * | 2016-08-31 | 2016-12-14 | 浙江创佳数字技术有限公司 | The distribution method of DTV |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10110953B2 (en) | Methods and systems for content navigation among programs presenting advertising content | |
| US11483595B2 (en) | Systems and methods for facilitating seamless flow content splicing | |
| US20160066049A1 (en) | Source-linked electronic programming guide | |
| US9571054B2 (en) | Systems and methods for dynamically adjusting volume based on media content | |
| US20120114311A1 (en) | Method and system for distributing the recording of a media item | |
| US20090257508A1 (en) | Method and system for enabling video trick modes | |
| US11317167B2 (en) | Content management and control based on tracking of prior content playback behavior | |
| US20110019978A1 (en) | Method and system for pvr on internet enabled televisions (tvs) | |
| US11496808B2 (en) | Systems and methods for facilitating content discovery based on augmented context | |
| EP2763429B1 (en) | Preview and playback method of video streams and system thereof | |
| US10200740B2 (en) | Hybrid electronic programming guide | |
| US7650625B2 (en) | System and method for controlling audio and video content via an advanced settop box | |
| KR20050123164A (en) | Recording of broadcast programmes | |
| US20140282703A1 (en) | Delivery of content and priority messages | |
| CN105657501B (en) | A kind of digital TV direct system and method | |
| WO2020185906A1 (en) | Systems and methods for playback of content using progress point information | |
| AU2018260403A1 (en) | Methods and systems for effective scrub bar navigation | |
| US20130007813A1 (en) | Method and apparatus for simulating head-end connectivity on a set-top box | |
| CN109379607A (en) | A kind of channel playback method, equipment and medium | |
| CN109889871B (en) | Digital television live broadcasting method, device and system based on network playing equipment | |
| US20100050216A1 (en) | On-demand content control based on parental control setting | |
| CN109660830A (en) | A kind of channel playback method, device, equipment and medium | |
| US20130268989A1 (en) | Method and system for dynamically alocating popular content | |
| CN108289240A (en) | Method, terminal and the computer-readable medium of DTV fast channel switching | |
| KR101136790B1 (en) | System and method for providing video on demand service and realtime channel broadcasting service |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |