CN108965953A - It is a kind of to receive DVB-C and DTMB simple two-way signal set-top-box system and method simultaneously - Google Patents
It is a kind of to receive DVB-C and DTMB simple two-way signal set-top-box system and method simultaneously Download PDFInfo
- Publication number
- CN108965953A CN108965953A CN201711474375.1A CN201711474375A CN108965953A CN 108965953 A CN108965953 A CN 108965953A CN 201711474375 A CN201711474375 A CN 201711474375A CN 108965953 A CN108965953 A CN 108965953A
- Authority
- CN
- China
- Prior art keywords
- signal
- dtmb
- data
- responsible
- dvb
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
-
- 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
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
Abstract
DVB-C and DTMB simple two-way signal set-top box, including master chip are received simultaneously the present invention relates to a kind of, is responsible for processing and calculates the work of data and control system peripheral components；Tuner is responsible for tuning broadcast television signal；Demodulator is responsible for demodulated signal；Memory is responsible for storage program audio, video data.Invention additionally discloses a kind of method for receiving DVB-C and DTMB simple two-way signal simultaneously.The present invention can play the program in DVB-C and DTMB signal source simultaneously on same TV, and can flexibly switch the program in unlike signal, reduce economic cost, enhance the convenience used and practicability.
Description
Technical field
The present invention relates to TV set-top box technical fields, and in particular to a kind of to receive DVB-C and DTMB simple two-way signal simultaneously
Set-top-box system and method.
Background technique
With the fast development of Digital HDTV STB, demand of the people to set-top box is not only rested on and can only be propped up
The set-top box for holding DVB-C (digital video broadcast for cable) signal or other broadcast television signal single channel or multichannel input, is also wrapped
The set-top box that can receive two or more unlike signals simultaneously is included, for example DVB-C signal can be handled simultaneously but also handle DTMB
(Digital Television Terrestrial Multimedia Broadcasting, digital TV ground broadcasting transmission
System frame structure, Channel Coding and Modulation) signal.Because the set-top box that can handle DVB-C and DTMB signal simultaneously can be
It is worked normally on DVB-C and DTMB digital television broadcasting system, effective solution can not be same in DTV STB
When play DVB-C and DTMB program the problem of.
Present DTV STB generally only supports the single channel input or multichannel input of a certain signal source, such as
DVB-C, DTMB, DVB-T (Digital Terrestrial Television Broadcast), DVB-S (digital satellite television broadcast) etc..Such set-top box without
Method plays the program in DTMB and DVB-C broadcast singal simultaneously, and limitation is very big, and flexibility is not also strong.
Existing DTV STB can only play the program in a kind of broadcast singal.Such set-top box is able to satisfy substantially
Public demand, but also have its limitation in this way.Because not only there is wired television broadcasting signal in certain families, simultaneously
Be also likely to be present DTMB broadcast television signal, and they want to see DVB-C program, while wanting to see the program of DTMB again, at this time he
Can only open two set-top boxes respectively to watch the program to induction signal, significantly increase economic cost in this way, and make
With inconvenience.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, provide a kind of while receiving DVB-C and DTMB two-way letter
Number set-top box and method realize the program for playing DTMB and DVB-C signal simultaneously, are used with to reduce economic cost and enhancing
Convenience and practicability.
To achieve the above object, the invention discloses following technical solutions:
It is a kind of to receive DVB-C and DTMB simple two-way signal set-top box simultaneously, comprising:
Master chip is responsible for processing and calculates the work of data and control system peripheral components, and master chip is internally integrated
Demultiplexing module, audio decoder and Video Decoder, wherein demultiplexing module is responsible for mpeg 2 transport stream to demultiplex into
ES；Audio decoder is responsible for digital audio signal coding being analog audio signal；Video Decoder is responsible for digital video number
According to the TV signal for being encoded into simulation；
Tuner, including first via tuner and No. second tuner, first via tuner are responsible for what processing received
DVB-C signal switchs to DVB-C signal the intermediate-freuqncy signal needed after frequency-selecting, amplification, frequency-conversion processing；The tuning of second tunnel
Device is responsible for the DTMB signal that processing receives and DTMB signal is switched to useful intermediate frequency after frequency-selecting, amplification, frequency-conversion processing
Signal；
Demodulator, including first via demodulator and No. second demodulator, first via demodulator are responsible for first via tuner
The intermediate-freuqncy signal of output demodulates the transport stream TS of MPEG-2；No. second demodulator is responsible for handling in No. second tuner output
The transport stream TS for the MPEG-2 that frequency demodulated signal goes out；
Memory is responsible for storage program audio, video data.
One kind above-mentioned receives DVB-C and DTMB simple two-way signal set-top box simultaneously, and demultiplexing module is demultiplexing mould
First via demodulator is exported TS data by the way that wherein demultiplexing channel demultiplexes all the way by block and built-in descrambling module, demultiplexing module
With for ES data, the ES data descrambled are descrambled by descrambling module；The TS data of No. second demodulator output pass through it
In demultiplex channel all the way and obtain ES data.
One kind above-mentioned receives DVB-C and DTMB simple two-way signal set-top box simultaneously, and the ES data descrambled include video
ES, audio ES and data ES.
One kind above-mentioned receives DVB-C and DTMB simple two-way signal set-top box simultaneously, and Video Decoder passes through HDMI or RCA
Interface is sent into vision signal in TV and is played.
One kind above-mentioned receives DVB-C and DTMB simple two-way signal set-top box simultaneously, and audio decoder passes through HDMI or RCA
Interface is sent into audio data on TV and is played.
One kind above-mentioned receives DVB-C and DTMB simple two-way signal set-top box simultaneously, and memory is mobile hard disk or USB flash disk, leads to
It crosses USB interface and the PES data that demultiplexing module exports is saved in mobile hard disk or USB flash disk.
Invention additionally discloses a kind of methods for receiving DVB-C and DTMB simple two-way signal simultaneously, include the following steps:
Frequency point and signal type, then determine to demultiplex all the way using certain where extracting the program according to the program that user selects
Unbinded the tuner of DVB-C and the tuner and demodulator of demodulator or DTMB with module, and then master chip is connect by I2C
Mouth control tuner and demodulator start the processing of data, and processed data are sent at the demultiplexing module of built-in chip type
Reason, master chip selection and the matched ES data of actual program, decode after being finally sent into audio decoder and Video Decoder, are arranged
The size and location of broadcast window is sent into data in TV eventually by HDMI RCA interface and is played；
When user starts to play the program in another signal by user interface selection, master chip can select to control
Other demultiplexing channels bindings in addition tuner and demodulators all the way, and control tuner and demodulator starts locked frequency point and place
Data are managed, after master chip gets the ES data of the program, is equally also required to send and is converted to TV in Video Decoder and can identify
Analog signal, then set-top box plays the second road video by the way that the size and location of broadcast window is arranged.
One kind disclosed by the invention receives DVB-C and DTMB simple two-way signal set-top box and method simultaneously, has beneficial below
Effect:
The present invention can play the program in DVB-C and DTMB signal source simultaneously on same TV, and can be flexible
Switch the program in unlike signal, reduces economic cost, enhance the convenience used and practicability.
Detailed description of the invention
Fig. 1 is flow chart of the present invention,
Fig. 2 is structural block diagram of the invention,
Fig. 3 is signal transmission schematic diagram.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Core of the invention is to provide a kind of while receiving DVB-C and DTMB simple two-way signal set-top box and method, realizes same
When play the program of DTMB and DVB-C signal, to reduce economic cost and the convenience that uses of enhancing and practicability.
- Fig. 3 referring to Figure 1.
In Fig. 2, Fig. 3, one kind disclosed by the invention receives DVB-C and DTMB simple two-way signal set-top box simultaneously, comprising:
Master chip is responsible for processing and calculates the work of data and control system peripheral components, and master chip is internally integrated
Demultiplexing module, audio decoder and Video Decoder, wherein demultiplexing module is responsible for mpeg 2 transport stream to demultiplex into
ES；Audio decoder is responsible for digital audio signal coding being analog audio signal；Video Decoder is responsible for digital video number
According to the TV signal for being encoded into simulation；
Tuner is responsible for tuning broadcast television signal, including first via tuner and No. second tuner, first via tuning
Device is responsible for the DVB-C signal that processing receives, and after frequency-selecting, amplification, frequency-conversion processing, DVB-C signal is switched in needs
Frequency signal；No. second tuner is responsible for the DTMB signal that processing receives and DTMB is believed after frequency-selecting, amplification, frequency-conversion processing
Number switch to useful intermediate-freuqncy signal；
Demodulator is responsible for demodulated signal, including first via demodulator and No. second demodulator, first via demodulator are responsible for handle
The intermediate-freuqncy signal of first via tuner output demodulates the transport stream TS of MPEG-2；No. second demodulator is responsible for handling the second road tune
The transport stream TS for the MPEG-2 that the intermediate-freuqncy signal of humorous device output demodulates；
Memory is responsible for storage program audio, video data, so that user reviews program.
In an embodiment of the present invention, demultiplexing module is demultiplexing module and built-in descrambling module, is demultiplexed
First via demodulator is exported TS data by the way that wherein demultiplexing channel is demultiplexing as ES data all the way, by descrambling mould with module
Block descrambles the ES data descrambled；The TS data of No. second demodulator output are by wherein demultiplexing channel obtains ES all the way
Data.
In an embodiment of the present invention, the ES data descrambled include video ES, audio ES and data ES.
In an embodiment of the present invention, vision signal is sent into electricity by HDMI RCA interface by Video Decoder
It is played depending in.
In an embodiment of the present invention, audio data is sent into electricity by HDMI RCA interface by audio decoder
It is played depending on.
In an embodiment of the present invention, memory is mobile hard disk or USB flash disk, by USB interface demultiplexing module
The PES data of output are saved in mobile hard disk or USB flash disk.
See Fig. 1, a kind of method receiving DVB-C and DTMB simple two-way signal simultaneously disclosed by the invention includes the following steps:
Frequency point and signal type, then determine to demultiplex all the way using certain where extracting the program according to the program that user selects
Unbinded the tuner of DVB-C and the tuner and demodulator of demodulator or DTMB with module, and then master chip is connect by I2C
Mouth (the two-wire serial bus interface proposed by PHILIPS Co., the device in bus carry out information transmitting) control tuner
Start the processing of data with demodulator, and the demultiplexing module that processed data are sent into built-in chip type is handled, master chip choosing
Select with the matched ES data of actual program, decoded after being finally sent into audio decoder and Video Decoder, broadcast window be set
Size and location is sent into data in TV eventually by HDMI RCA interface and is played；Signal all the way is realized at this time
Program plays, and flexibly selection plays some program in broadcast singal.
When user starts to play the program in another signal by user interface selection, master chip can select to control
Other demultiplexing channels bindings in addition tuner and demodulators all the way, and control tuner and demodulator starts locked frequency point and place
Data are managed, after master chip gets the ES data of the program, is equally also required to send and is converted to TV in Video Decoder and can identify
Analog signal, then set-top box plays the second road video by the way that the size and location of broadcast window is arranged.At this point, realizing
First via video and the second road video are played simultaneously, and the two programs are the programs in different broadcast singals.
When user by user interface open imprinting current interface when, set-top box recognize actual program be DVBC program also
It is DTMB program, then selects the not used channel of demultiplexing to be all the way tied on the tuner and demodulator of the signal, demultiplex
With the TS data for the MPEG-2 that will get actual program, PES data are obtained after demultiplexing, are then connect by USB
Mouth writes the data in mobile hard disk or USB flash disk.
When user's selection plays the complete video of imprinting from USB flash disk or mobile hard disk, set-top box will be from the mobile device
In the ES data of the program are sent into audio/video decoder by USB interface, then by HDMI and RCA interface, after decoding
Data are sent into TV and are played.Program function is reviewed in realization.
The above is only a preferred embodiment of the present invention, rather than its limitations；Although should be pointed out that referring to above-mentioned each
Embodiment describes the invention in detail, those skilled in the art should understand that, it still can be to above-mentioned each
Technical solution documented by embodiment is modified, or equivalent substitution of some or all of the technical features；And this
A little modifications and replacement, do not make the essence of corresponding technical solution depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. a kind of receive DVB-C and DTMB simple two-way signal set-top box simultaneously characterized by comprising
Master chip is responsible for processing and calculates the work of data and control system peripheral components, and master chip, which has been internally integrated, to be demultiplexed
With module, audio decoder and Video Decoder, wherein demultiplexing module is responsible for mpeg 2 transport stream to demultiplex into ES；Sound
Frequency decoder is responsible for digital audio signal coding being analog audio signal；Video Decoder is responsible for encoded digital video data
At the TV signal of simulation；
Tuner, including first via tuner and No. second tuner, first via tuner are responsible for the DVB-C letter that processing receives
Number, after frequency-selecting, amplification, frequency-conversion processing, DVB-C signal is switched to the intermediate-freuqncy signal needed；No. second tuner is responsible for place
It manages the DTMB signal received and DTMB signal is switched to useful intermediate-freuqncy signal after frequency-selecting, amplification, frequency-conversion processing；
Demodulator, including first via demodulator and No. second demodulator, first via demodulator are responsible for first via tuner to export
Intermediate-freuqncy signal demodulate the transport stream TS of MPEG-2；No. second demodulator is responsible for handling the intermediate frequency letter of No. second tuner output
The transport stream TS of number MPEG-2 demodulated；
Memory is responsible for storage program audio, video data.
2. one kind according to claim 1 receives DVB-C and DTMB simple two-way signal set-top box simultaneously, which is characterized in that institute
Stating demultiplexing module is demultiplexing module and built-in descrambling module, and demultiplexing module is first via demodulator output TS data
By the way that wherein demultiplexing channel is demultiplexing as ES data all the way, the ES data descrambled are descrambled by descrambling module；Second
The TS data of road demodulator output are by wherein demultiplexing channel obtains ES data all the way.
3. one kind according to claim 2 receives DVB-C and DTMB simple two-way signal set-top box simultaneously, which is characterized in that
The ES data of descrambling include video ES, audio ES and data ES.
4. one kind according to claim 1 receives DVB-C and DTMB simple two-way signal set-top box simultaneously, which is characterized in that institute
State Video Decoder by HDMI RCA interface vision signal be sent into TV in play.
5. one kind according to claim 1 receives DVB-C and DTMB simple two-way signal set-top box simultaneously, which is characterized in that institute
State audio decoder by HDMI RCA interface audio data be sent into TV on play.
6. one kind according to claim 1 receives DVB-C and DTMB simple two-way signal set-top box simultaneously, which is characterized in that institute
State memory be mobile hard disk or USB flash disk, by USB interface the PES data that demultiplexing module exports be saved in mobile hard disk or
Person's USB flash disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474375.1A CN108965953A (en) | 2017-12-29 | 2017-12-29 | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top-box system and method simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474375.1A CN108965953A (en) | 2017-12-29 | 2017-12-29 | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top-box system and method simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108965953A true CN108965953A (en) | 2018-12-07 |
Family
ID=64495759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711474375.1A Pending CN108965953A (en) | 2017-12-29 | 2017-12-29 | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top-box system and method simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108965953A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291489A (en) * | 2020-11-06 | 2021-01-29 | 无锡路通视信网络股份有限公司 | System for simultaneously receiving DVB-C, DTMB signals by utilizing FPGA |
| CN113329248A (en) * | 2021-05-14 | 2021-08-31 | 深圳佳力拓科技有限公司 | Digital television set-top box supporting multiple tuning modes and method for automatically adapting to multiple tuning modes |
| CN113347485A (en) * | 2021-08-04 | 2021-09-03 | 深圳佳力拓科技有限公司 | Method and device for watching multiple channels corresponding to single digital television |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453594A (en) * | 2007-12-07 | 2009-06-10 | 上海晨兴电子科技有限公司 | Method and apparatus implementing picture-in-picture and instant playing and recording function by mobile phone television |
| CN201854382U (en) * | 2010-10-29 | 2011-06-01 | 青岛海信宽带多媒体技术有限公司 | Multi-mode set top box |
| CN204334857U (en) * | 2015-02-02 | 2015-05-13 | 邢浩 | The digital TV set-top box of a kind of compatible with DVB-C, DTMB-TH transmission medium |
| CN205829899U (en) * | 2016-06-21 | 2016-12-21 | 深圳创维数字技术有限公司 | A kind of Set Top Box receiving multiple signals and simultaneously multiple-channel output |
| CN207638801U (en) * | 2017-12-29 | 2018-07-20 | 深圳佳力拓科技有限公司 | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top boxes simultaneously |
-
2017
- 2017-12-29 CN CN201711474375.1A patent/CN108965953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453594A (en) * | 2007-12-07 | 2009-06-10 | 上海晨兴电子科技有限公司 | Method and apparatus implementing picture-in-picture and instant playing and recording function by mobile phone television |
| CN201854382U (en) * | 2010-10-29 | 2011-06-01 | 青岛海信宽带多媒体技术有限公司 | Multi-mode set top box |
| CN204334857U (en) * | 2015-02-02 | 2015-05-13 | 邢浩 | The digital TV set-top box of a kind of compatible with DVB-C, DTMB-TH transmission medium |
| CN205829899U (en) * | 2016-06-21 | 2016-12-21 | 深圳创维数字技术有限公司 | A kind of Set Top Box receiving multiple signals and simultaneously multiple-channel output |
| CN207638801U (en) * | 2017-12-29 | 2018-07-20 | 深圳佳力拓科技有限公司 | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top boxes simultaneously |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291489A (en) * | 2020-11-06 | 2021-01-29 | 无锡路通视信网络股份有限公司 | System for simultaneously receiving DVB-C, DTMB signals by utilizing FPGA |
| CN113329248A (en) * | 2021-05-14 | 2021-08-31 | 深圳佳力拓科技有限公司 | Digital television set-top box supporting multiple tuning modes and method for automatically adapting to multiple tuning modes |
| CN113347485A (en) * | 2021-08-04 | 2021-09-03 | 深圳佳力拓科技有限公司 | Method and device for watching multiple channels corresponding to single digital television |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1264353C (en) | Method and device for receiving digital broadcasting | |
| CN207218951U (en) | A kind of set-top-box system for supporting two-way ISDB T | |
| CN101252637A (en) | Combined digital set top boxes based on software radio | |
| JPH08289281A (en) | Electronic program guide transmitter and method, shopping image transmitter and method, electronic program guide receiver and method and electronic shopping device and method | |
| CN108965953A (en) | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top-box system and method simultaneously | |
| CN102088632A (en) | Condition receiving apparatus capable of supporting two program sources and implementation method thereof | |
| CN101453594A (en) | Method and apparatus implementing picture-in-picture and instant playing and recording function by mobile phone television | |
| CN103281495B (en) | The digital television receiver of compatible with DVB, ATSC standard | |
| CN103139633A (en) | Digital television receiving terminal and method for switching channel thereof | |
| CN207638801U (en) | It is a kind of to receive DVB-C and DTMB simple two-way signal set-top boxes simultaneously | |
| WO2017101360A1 (en) | Set-top box apparatus with integrated loudspeaker box | |
| CN201585053U (en) | Television | |
| CN107707949A (en) | It is a kind of to support cable TV signal and ISDB T set-top-box system and method | |
| CN202143181U (en) | Novel network television set top box | |
| CN207382476U (en) | One kind supports cable TV signal and ISDB-T dual mode systems based on set-top box | |
| CN201947385U (en) | Video transmission system for transmitting high-definition multimedia interface (HDMI) audio and visual signals | |
| CN204887296U (en) | Cable television fuses STB with terrestrial digital TV and IPTV terminal | |
| JPH08289266A (en) | Device and method for transmitting electronic program guide and device and method for receiving the same | |
| CN201054689Y (en) | A multi-media receiving video/audio terminal | |
| CN102780925A (en) | Digital video broadcasting player | |
| JPH08289202A (en) | Device and method for transmitting and receiving electronic program guide | |
| CN204795442U (en) | Digital television receiving equipment | |
| KR100277937B1 (en) | MP3 Receivable Digital TV Transmission / Reception System | |
| CN218888576U (en) | Television mainboard and television | |
| CN101742141A (en) | Device and method for receiving and playing digital television signal and television set |
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 |