CN107295386A - Support the professional decoder of three nets of ground, satellite and wire transmission - Google Patents
Support the professional decoder of three nets of ground, satellite and wire transmission Download PDFInfo
- Publication number
- CN107295386A CN107295386A CN201710730252.3A CN201710730252A CN107295386A CN 107295386 A CN107295386 A CN 107295386A CN 201710730252 A CN201710730252 A CN 201710730252A CN 107295386 A CN107295386 A CN 107295386A
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- CN
- China
- Prior art keywords
- units
- flow control
- unit
- control unit
- satellite
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/42623—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific decryption arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
Abstract
The three of ground, satellite and wire transmission is supported to net professional decoder the invention discloses a kind of, mainly it is made up of signal receiving unit, CA units, flow control unit, STB units, power supply unit, signal receiving unit is connected with flow control unit, flow control unit, CA units and STB units are respectively connected with, and power supply unit is that the professional decoder of three nets is powered；The signal receiving unit is mainly made up of wired, ground, satellite TUNER+ demodulating unit circuits；CA units are mainly made up of CA necks element circuit, exchange chip unit；Flow control unit is mainly made up of master chip, caching, storage, ASI output circuit units, AES/EBU circuit units, SDI circuit units；STB units are mainly made up of master chip, caching, storage, audio frequency and video output circuit unit.The present invention achieves that the function of transmitting satellite TV, cable television, terrestrial television using an equipment, has saved cost.
Description
Technical field
The present invention relates to a kind of decoder, and in particular to a kind of to support the three of ground, satellite and wire transmission to net specialty solution
Code device, belongs to digital TV technology.
Background technology
Along with national covered ground popularization and broadcasting and TV Incorporate net it is fully under way.For transmission means, day
Ground one net fusion refers to intercommunication, resource-sharing between satellite television net, broadcast cable television network, covered ground net, can be use
Family provides a variety of services such as voice, data and radio and television.
Professional decoder product is as the indispensable front end information source product of broadcasting and television network, and traditional professional decoder product is only
The circulation way of satellite can be realized, it is impossible to provide the user wired and ground information source transfer function.If traditional use pattern
User need to realize that local piped program is played, covered ground program is played, satellite programming playing function, it is necessary to while purchasing three
Platform corresponding function equipment is realized, that is, is taken computer room space, be also unfavorable for network layout.
The content of the invention
It is an object of the invention to overcome the defect of prior art to be realized there is provided a kind of while supporting Three models
Professional decoder, can greatly save cost.
What the present invention was realized in：
It is a kind of to support the three of ground, satellite and wire transmission to net professional decoders, the professional decoder of three nets it is main by
Signal receiving unit, CA units, flow control unit, STB units, power supply unit composition, signal receiving unit and flow control unit
It is connected, flow control unit, CA units and STB units are respectively connected with, power supply unit is that the professional decoder of three nets is powered；The signal
Receiving unit is main to demodulate list by wired TUNER+ demodulating units circuit, ground TUNER+ demodulating units circuit, satellite TUNER+
First circuit composition；CA units are mainly made up of CA necks element circuit, exchange chip unit；Flow control unit is main by main core
Piece, caching, storage, ASI output circuit units, AES/EBU circuit units, SDI circuit units composition；STB units are main by leading
Chip, caching, storage, audio frequency and video output circuit unit are constituted.
Further scheme is：
During wired analog signal is changed into by wired TUNER+ demodulator circuits unit by tuning in the signal receiving unit
Frequency signal, then by intermediate-freuqncy signal by demodulation be output as TS signals；TUNER+ demodulator circuit units in ground in signal receiving unit
Terrestrial analog signals are changed into intermediate-freuqncy signal by tuning, then intermediate-freuqncy signal by demodulation is output as TS signals；Signal is received
Satellite Simulation signal is changed into intermediate-freuqncy signal by unit Satellite TUNER+ demodulator circuits unit by tuning, then intermediate-freuqncy signal is led to
Cross demodulation and be output as TS signals.
Further scheme is：
The CA units realize the connection with flow control unit by the TS interfaces of exchange chip, and transmission TS flows and returned；
CA units are connected by the control pin of exchange chip with STB units, realize the control of passback and the decryption of CA information；CA units
In CA necks circuit unit and exchange chip TS stream decryption is realized by TS stream interfaces.
Further scheme is：
The flow control unit receives wired TUNER+ demodulator circuits in signal receiving unit, ground TUNER+ demodulation electricity
Road, wired TS signals, ground TS signals, the satellite TS signals of the output of satellite TUNER+ demodulator circuits, enter edlin and multiplexing, and
TS streams after editor and multiplexing are judged whether the stream needs to decrypt and decode；If need not decrypt and decode, lead to
Cross ASI circuit units output ASI signals；If necessary to decrypt, then send to CA units and be decrypted and return again；It need not such as solve
It is close, then it is routed directly to STB units and is decoded；Flow control unit is connect by the master chip TS of master chip TS interfaces and STB units
Mouth connection, carries out streaming；Flow control unit is connected by SDI element circuits interface with the master chip interface of STB units, is produced
Sdi signal；Flow control unit is connected by AES/EBU element circuits interface with the audio frequency and video element circuit interface of STB units, production
Raw AES/EBU signals；Flow control unit is connected by master chip TS interfaces with the exchange chip TS interfaces of CA units, carries out TS streams
Decryption and passback.
Further scheme is：
The TS stream signals of the STB units receiving stream control unit output are decoded, eventually through audio frequency and video circuit list
Member output TV programme；STB units are realized by master chip TS stream interfaces and are connected with the master chip of flow control unit；STB units
Master chip is connected by data/address bus and address with CA elements exchange chips, reads CA information and control is decrypted.
Further scheme is：
The CA elements exchanges chip supports DVB-CI and DVB-CI+ decryption standards, and using double TS decryption modes, can be same
The road TS of Shi Xiemi 2 flow.
Further scheme is：
Signal receiving unit in the professional decoder of three nets coordinates flow control cell operation to realize that cable television is believed
Number, terrestrial television signal, satellite TV signal demodulation be multiplexed with 1 road TS stream signal and directly output ASI functions；Flow control unit
Signal receiving unit and STB units is coordinated to realize SDI and AES/EBU outputs；Flow control unit matching CA units can realize TS
The decryption of stream；CA unit matching STB units can realize the reading and decryption control of CA information；STB unit matching flow control units
Audio/video decoding output function can be achieved.
The present invention realizes a kind of based on satellite television net, terrestrial television net, the professional decoder of cable television network, use
One equipment achieves that the function of transmitting satellite TV, cable television, terrestrial television, greatlys save user equipment and buys into
Originally with network comprehensive lining cost, it is to realize transmitting satellite TV, cable television, terrestrial television to solve user under traditional mode
Function need to buy three standalone feature equipment, and the problem of need separate cabling
Brief description of the drawings
Fig. 1 nets professional decoder architecture schematic diagrames for the three of the support ground of the present invention, satellite and wire transmission；
During Fig. 2 is the embodiment of the present invention, signal receiving unit and flow control unit connection diagram；
Fig. 3 is the schematic diagram that TS is converted to ASI signals by master chip.
Embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, it is a kind of to support the three of ground, satellite and wire transmission to net professional decoder, the three nets specialty
Decoder is mainly made up of signal receiving unit 1, CA units 2, flow control unit 3, STB units 4, power supply unit 5, and signal is received
Unit 1 is connected with flow control unit 3, and flow control unit 3, CA units 2 and STB units 4 are respectively connected with, and power supply unit 5 is three nets
Professional decoder is powered；The signal receiving unit 1 is main to be demodulated by wired TUNER+ demodulating units circuit 6, ground TUNER+
Element circuit 7, satellite TUNER+ demodulating units circuit 8 are constituted；CA units 2 are main by CA necks element circuit 9, exchange chip 10
Unit is constituted；Flow control unit 3 is main by master chip 14, caching 11, storage 12, ASI output circuit units 13, AES/EBU electricity
Road unit 15, SDI circuit units 16 are constituted；STB units 4 are main to export electricity by master chip 19, caching 17, storage 18, audio frequency and video
Road unit 20 is constituted.
Wired analog signal is changed into by wired TUNER+ demodulator circuits unit 6 by tuning in the signal receiving unit 1
Intermediate-freuqncy signal, then by intermediate-freuqncy signal by demodulation be output as TS signals；TUNER+ demodulator circuit lists in ground in signal receiving unit 1
Terrestrial analog signals are changed into intermediate-freuqncy signal by member 7 by tuning, then by demodulating intermediate-freuqncy signal is output as into TS signals；Signal connects
Receive the Satellite TUNER+ demodulator circuits unit 8 of unit 1 and Satellite Simulation signal is changed into intermediate-freuqncy signal by tuning, then intermediate frequency is believed
Number by demodulation be output as TS signals.
The CA units 2 realize the connection with flow control unit 3 by the TS interfaces of exchange chip 10, and transmission TS flows and returned
Pass；CA units 2 are connected by the control pin of exchange chip 10 with STB units 4, realize the control of passback and the decryption of CA information
System；CA necks circuit unit 9 in CA units 2 realizes TS stream decryption with exchange chip 10 by TS stream interfaces.
The flow control unit 3 receives wired TUNER+ demodulator circuits 6 in signal receiving unit 1, ground TUNER+ demodulation
Circuit 7, wired TS signals, ground TS signals, the satellite TS signals of the output of satellite TUNER+ demodulator circuits 8, enter edlin and multiple
With, and the TS streams after editor and multiplexing are judged whether the stream needs to decrypt and decode；If reconciliation need not be decrypted
Code, then export ASI signals by ASI circuit units 13；If necessary to decrypt, then send to CA units 2 and be decrypted and return again；Such as
It need not decrypt, then be routed directly to STB units 4 and decoded；Flow control unit 3 passes through master chip 14TS interfaces and STB units 4
Master chip 19TS interfaces connection, carry out streaming；Flow control unit 3 passes through the interface of SDI element circuits 16 and STB units 4
The interface of master chip 19 is connected, and produces sdi signal；Flow control unit 3 passes through the interface of AES/EBU element circuits 15 and STB units 4
The interface of audio frequency and video element circuit 20 is connected, and produces AES/EBU signals；Flow control unit 3 is mono- by master chip 14TS interfaces and CA
The exchange chip 10TS interfaces connection of member 2, carries out the decryption of TS streams and passback.
The TS stream signals of the receiving stream control unit 3 of STB units 4 output are decoded, eventually through audio frequency and video circuit
Unit 20 exports TV programme；STB units 4 realize that the master chip 14 with flow control unit 3 connects by master chip 19TS stream interfaces
Connect；The master chip 19 of STB units 4 is connected by data/address bus and address with the exchange chip 10 of CA units 2, is read CA information and is carried out
Decryption control.
The exchange chip 10 of CA units 2 supports DVB-CI and DVB-CI+ decryption standards, and using double TS decryption modes,
2 road TS streams can be decrypted simultaneously.
Signal receiving unit 1 in the professional decoder of three nets coordinates the work of flow control unit 3 that cable television can be achieved
Signal, terrestrial television signal, satellite TV signal demodulation are multiplexed with 1 road TS stream signals and directly output ASI functions；Flow control list
Member 3 coordinates signal receiving unit 1 and STB units 4 can realize SDI and AES/EBU outputs；Flow control unit 3 coordinates the energy of CA units 2
Realize the decryption of TS streams；CA units 2 coordinate STB units 4 to realize the reading and decryption control of CA information；STB units 4 are with interflow
Control unit 3 can realize audio/video decoding output function.
Flow control unit is connected with signal receiving unit, STB units, CA units respectively in the present invention.Flow control unit connects
The TS signals that TUNER+ demodulator circuits are exported in signal receiving unit are received, enter edlin and multiplexing, and by after editor and multiplexing
TS streams are judged whether the stream needs to decrypt and decode, as shown in Figure 2.If need not decrypt and decode, directly pass through
Master chip internal conversion exports ASI signals, as shown in Figure 3.If necessary to decrypt, then send to CA units and be decrypted and return again.
It need not such as decrypt, then be routed directly to STB units and decoded；Flow control unit passes through master chip TS interfaces and STB units
Master chip TS interfaces are connected, and carry out streaming；Flow control unit passes through SDI element circuits interface and the audio frequency and video list of STB units
First circuit interface connection, produces sdi signal.The audio frequency and video that flow control unit passes through AES/EBU element circuits interface and STB units
Element circuit interface is connected, and produces AES/EBU signals.Flow control unit passes through master chip TS interfaces and the exchange chip of CA units
TS interfaces are connected, and carry out the decryption of TS streams and passback；
STB units are connected with flow control unit, CA units respectively in the present invention, the TS stream letters of receiving stream control unit output
Number decoded, TV programme are exported eventually through audio frequency and video.STB units are realized and flow control list by master chip TS stream interfaces
The connection of member.STB units master chip is connected by data/address bus and address with CA elements exchange chips, is read CA information and is carried out
Decryption control.
CA units are by the realization of exchange chip TS interfaces and the connection of flow control unit in the present invention, and transmission TS flows and returned
Pass.CA units control pin to be connected with STB units by exchange chip, realize the control of passback and the decryption of CA information.CA is mono-
CA necks circuit unit in member realizes TS stream decryption with exchange chip by TS stream interfaces.
Signal receiving unit in the present invention coordinates flow control cell operation to realize ground, wired, satellite simulation electricity
Digital TS stream semiotic functions and directly output ASI function are converted to depending on signal；Flow control unit matching CA units and STB units
It is achievable that wired TS streams signal, ground TS streams signal, satellite TS stream signal progress are multiplexed with a TS and flowed, then be decrypted,
Decode and export the function of audio frequency and video；STB unit matching flow controls unit can be converted to the HDMI signals for decoding output in SDI letters
Number and AES/EBU signals.CA unit matching STB units can obtain the function of CA card informations and decryption control.The present invention is realized
A kind of professional decoders of three nets transmitted based on wired, ground, satellite network, can realize that cable television is passed by the decoder
The three-in-one function of defeated, terrestrial television transmission, satellite TV transmissions, solving in traditional mode user family needs multiple devices to realize
The drawbacks of function above.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferably embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application
Within scope and spirit.
Claims (7)
1. a kind of support the three of ground, satellite and wire transmission to net professional decoder, it is characterised in that：
The professional decoder of three nets is main by signal receiving unit (1), CA units (2), flow control unit (3), STB units
(4), power supply unit (5) is constituted, and signal receiving unit (1) is connected with flow control unit (3), flow control unit (3), CA units
(2) it is respectively connected with STB units (4), power supply unit (5) is that the professional decoder of three nets is powered；The signal receiving unit (1) is main
Will be by wired TUNER+ demodulating units circuit (6), ground TUNER+ demodulating units circuit (7), satellite TUNER+ demodulating units electricity
Road (8) is constituted；CA units (2) are mainly made up of CA necks element circuit (9), exchange chip (10) unit；Flow control unit (3)
It is main by master chip (14), caching (11), storage (12), ASI output circuit units (13), AES/EBU circuit units (15),
SDI circuit units (16) are constituted；STB units (4) are main to export electricity by master chip (19), caching (17), storage (18), audio frequency and video
Road unit (20) is constituted.
2. the professional decoder of three nets of ground, satellite and wire transmission is supported according to claim 1, it is characterised in that：
Wired analog signal is changed into by wired TUNER+ demodulator circuits unit (6) by tuning in the signal receiving unit (1)
Intermediate-freuqncy signal, then by intermediate-freuqncy signal by demodulation be output as TS signals；Ground TUNER+ demodulator circuits in signal receiving unit (1)
Terrestrial analog signals are changed into intermediate-freuqncy signal by unit (7) by tuning, then by demodulation intermediate-freuqncy signal is output as into TS signals；Letter
Satellite Simulation signal is changed into intermediate-freuqncy signal by number receiving unit (1) Satellite TUNER+ demodulator circuits unit (8) by tuning, then
Intermediate-freuqncy signal is output as TS signals by demodulation.
3. the professional decoder of three nets of ground, satellite and wire transmission is supported according to claim 1, it is characterised in that：
The CA units (2) realize the connection with flow control unit (3) by the TS interfaces of exchange chip (10), and transmission TS streams are simultaneously
Passback；CA units (2) are connected by the control pin of exchange chip (10) with STB units (4), realize that the passback of CA information is conciliate
Close control；CA necks circuit unit (9) in CA units (2) realizes TS stream solutions with exchange chip (10) by TS stream interfaces
It is close.
4. supporting the professional decoder of three nets of ground, satellite and wire transmission according to claim 1 or 2 or 3, its feature exists
In：
The flow control unit (3) receives wired TUNER+ demodulator circuits (6) in signal receiving unit (1), ground TUNER+ solutions
Circuit (7), wired TS signals, ground TS signals, the satellite TS signals of satellite TUNER+ demodulator circuits (8) output are adjusted, is compiled
Collect and be multiplexed, and the TS streams after editor and multiplexing are judged whether the stream needs to decrypt and decode；If need not decrypt
And decoding, then ASI signals are exported by ASI circuit units (13)；If necessary to decrypt, then send to CA units (2) and be decrypted
Return again；It need not such as decrypt, then be routed directly to STB units (4) and decoded；Flow control unit (3) passes through master chip (14)
TS interfaces are connected with master chip (19) TS interfaces of STB units (4), carry out streaming；Flow control unit (3) passes through SDI units
Circuit (16) interface is connected with master chip (19) interface of STB units (4), produces sdi signal；Flow control unit (3) passes through
AES/EBU element circuits (15) interface is connected with audio frequency and video element circuit (20) interface of STB units (4), produces AES/EBU letters
Number；Flow control unit (3) is connected by master chip (14) TS interfaces with exchange chip (10) TS interfaces of CA units (2), is carried out
The decryption of TS streams and passback.
5. the professional decoder of three nets of ground, satellite and wire transmission is supported according to claim 4, it is characterised in that：
The TS stream signals of STB units (4) receiving stream control unit (3) output are decoded, eventually through audio frequency and video circuit
Unit (20) exports TV programme；STB units (4) realize the master with flow control unit (3) by master chip (19) TS stream interfaces
Chip (14) is connected；STB units (4) master chip (19) passes through data/address bus and address and CA units (2) exchange chip (10) phase
Connection, reads CA information and control is decrypted.
6. the professional decoder of three nets of ground, satellite and wire transmission is supported according to claim 1 or 3, it is characterised in that：
CA units (2) exchange chip (10) supports DVB-CI and DVB-CI+ decryption standards, and using double TS decryption modes,
2 road TS streams can be decrypted simultaneously.
7. the professional decoder of three nets of ground, satellite and wire transmission is supported according to claim 5, it is characterised in that：
Signal receiving unit (1) in the professional decoder of three nets coordinates flow control unit (3) work that cable television can be achieved
Signal, terrestrial television signal, satellite TV signal demodulation are multiplexed with 1 road TS stream signals and directly output ASI functions；Flow control list
First (3) coordinate signal receiving unit (1) and STB units (4) that SDI and AES/EBU outputs can be achieved；Flow control unit (3) coordinates
CA units (2) can realize the decryption of TS streams；CA units (2) coordinate STB units (4) to realize the reading and decryption control of CA information
System；STB units (4) coordinate flow control unit (3) that audio/video decoding output function can be achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730252.3A CN107295386B (en) | 2017-08-23 | 2017-08-23 | Three-network professional decoder supporting ground, satellite and cable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730252.3A CN107295386B (en) | 2017-08-23 | 2017-08-23 | Three-network professional decoder supporting ground, satellite and cable transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107295386A true CN107295386A (en) | 2017-10-24 |
| CN107295386B CN107295386B (en) | 2020-09-22 |
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ID=60107172
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710730252.3A Active CN107295386B (en) | 2017-08-23 | 2017-08-23 | Three-network professional decoder supporting ground, satellite and cable transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743622A (en) * | 2019-01-23 | 2019-05-10 | 青岛海信电器股份有限公司 | A kind of tuning method for parameter configuration, device and equipment based on CAM card |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202617261U (en) * | 2012-05-10 | 2012-12-19 | 广州易迩达电子有限公司 | Three-terminal input tuner compatible with terrestrial digital television standard, cable digital television standard and satellite digital television standard |
| 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 |
| CN106534934A (en) * | 2016-11-10 | 2017-03-22 | 深圳市通久电子有限公司 | Three-into-one-mode-based set-top box and realization method |
-
2017
- 2017-08-23 CN CN201710730252.3A patent/CN107295386B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202617261U (en) * | 2012-05-10 | 2012-12-19 | 广州易迩达电子有限公司 | Three-terminal input tuner compatible with terrestrial digital television standard, cable digital television standard and satellite digital television standard |
| 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 |
| CN106534934A (en) * | 2016-11-10 | 2017-03-22 | 深圳市通久电子有限公司 | Three-into-one-mode-based set-top box and realization method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743622A (en) * | 2019-01-23 | 2019-05-10 | 青岛海信电器股份有限公司 | A kind of tuning method for parameter configuration, device and equipment based on CAM card |
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| Publication number | Publication date |
|---|---|
| CN107295386B (en) | 2020-09-22 |
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