CN108282628A - TV motherboard, TV motherboard component and DTV - Google Patents
TV motherboard, TV motherboard component and DTV Download PDFInfo
- Publication number
- CN108282628A CN108282628A CN201810139101.5A CN201810139101A CN108282628A CN 108282628 A CN108282628 A CN 108282628A CN 201810139101 A CN201810139101 A CN 201810139101A CN 108282628 A CN108282628 A CN 108282628A
- Authority
- CN
- China
- Prior art keywords
- motherboard
- interface
- tuner
- television system
- 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
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- 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
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Structure Of Receivers (AREA)
Abstract
The present invention discloses a kind of TV motherboard, TV motherboard component and DTV；Include processing circuit and first interface group and second interface group for tuner connection in the TV motherboard：The first interface group supports the television system of the first kind, the television system of the first kind include DVB S, DVB S2 types television system；The second interface group supports the television system of Second Type；The television system inequality of the television system of the Second Type and the first kind；The present invention enables the mainboard television system of compatible with DVB S/S2 types and other kinds of television system simultaneously, has effectively expanded the application range of the TV motherboard；The TV motherboard is attached with the tuner by grafting；Make it possible to effectively increase flexibility during producing TV motherboard under the premise of not increasing TV motherboard space layout, and reduce customs fees and charges of the product in exit procedure, to reduce production cost.
Description
Technical field
The present invention relates to digital TV field, more particularly to a kind of TV motherboard, TV motherboard component and DTV.
Background technology
In existing technology, tuner (Tuner) chip of television set is mostly directly integrated on mainboard, and is based on this
Kind structure design so that television set or mainboard can increase income tariff in exit procedure, to increase product cost；And it is this
Structure design also increases the complexity in production process.In addition, the television set standard system that existing television set is supported simultaneously
Also fewer, and DVB-S/S2 types and other kinds of television system can not be supported simultaneously.
Invention content
The main object of the present invention is a kind of TV motherboard of proposition, TV motherboard component and DTV, it is intended to make institute
TV motherboard at least two type TV standards simultaneously are stated, including the television system of DVB-S/S2 types.
To achieve the above object, a kind of TV motherboard proposed by the present invention includes processing circuit in the TV motherboard with
And the interface for tuner connection, the interface are electrically connected with the processing circuit, the interface includes：
First interface group, the first interface group support the television system of the first kind, the television system of the first kind
Formula includes the television system of DVB-S, DVB-S2 type；
Second interface group, the second interface group support the television system of Second Type；The television system of the Second Type
The television system inequality of formula and the first kind；
At the signal that the processing circuit exports the first interface group or second interface group by the interface
Reason, to export corresponding TV signal.
Preferably, the television system of the Second Type include one kind in ATV, DVB-T, DVB-T2DVB-C standard or
A plurality of types of television systems.
Preferably, the processing circuit includes demodulator circuit and decoding circuit；
The demodulator circuit is used to demodulate the signal after frequency conversion that the tuner is exported；
The signal that the decoding circuit exports the demodulator circuit is decoded.
Preferably, in the TV motherboard further include first interface circuit group and second interface circuit group；
The first interface group includes multiple first interfaces, and the first interface circuit group includes multiple first interface electricity
Road, the first interface are electrically connected by first interface circuit with the processing circuit；
The second interface group includes multiple second interfaces；The second interface circuit group includes multiple second interface electricity
Road, the second interface are electrically connected by second interface circuit with the processing circuit.
The present invention also proposes a kind of TV motherboard component, including the TV motherboard and with TV motherboard electricity
The tuner of connection；
The tuner supports the television system of the first kind and/or the television system of the Second Type.It is described
Tuner includes multiple pins；And the tuner and the interface of the TV motherboard are detachably connected.
Preferably, the interface is the connecting seat being arranged on the mainboard, and the TV motherboard is inserted with the tuner
It connects.
Preferably, the connecting seat is 2.0 2*10mm male seats of Du Pont；The tuner includes Du Pont 2.02*10mm mothers
Seat.
Preferably, the tuner is arranged close to the TV motherboard edge, and the tuner includes main body and covering
The shielding case of the body surfaces has at least four connecting pins, the connecting pin and the TV motherboard on the shielding case
Earth point between by being welded to connect.
Preferably, the tuner further includes the pcb board being electrically connected with the tuner main body, and the connecting seat is set to
On the pcb board, and the tuner main body is located at the same surface of the pcb board with the connecting seat.
The present invention also proposes a kind of DTV, which includes the TV motherboard component.
Technical solution of the present invention is by being improved the TV motherboard, so that the mainboard is for connecting tuner
Port can simultaneously compatible with DVB-S/S2 types television system and one or more classes in ATV, DVB-T/T2, DVB-C
The television system of type avoids so that the TV motherboard can be compatible with a plurality of types of tuners because of motherboard design difference
And lead to not realize the television system of compatible with DVB-S/S2 types and other kinds of television system simultaneously, effectively expand
The application range of the TV motherboard；High frequency head module is arranged this programme simultaneously, and the tuner and the TV
Mainboard 20 is attached by grafting；The connection type of grafting can have under the premise of not increasing TV motherboard space layout
Effect improves flexibility during producing TV motherboard, and reduces customs fees and charges of the product in exit procedure, from
And reduce production cost.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the part-structure schematic diagram of TV motherboard of the present invention；
Fig. 2 is the structural schematic diagram of an embodiment of tuner of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Tuner | 11 | Connecting pin |
| 20 | Mainboard | 21 | Connecting seat |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of TV motherboard 20 and TV motherboard component, and the TV motherboard component includes the TV
Mainboard 20 and tuner 10.Tuner is a part of circuit of television signal channel front end.Its main function is to adjust
Humorous received TV signal selects the TV signal that antenna receives, is amplified and frequency conversion.Those skilled in the art
It is understood that also having processing circuit in the TV motherboard 20；The processing circuit includes demodulator circuit and decoding
Circuit, the demodulator circuit are used to demodulate the signal after frequency conversion that the tuner 10 is exported；The decoding circuit
The transmission stream signal of demodulator circuit output is decoded, obtains the electric signal that the display device can identify, in turn
It is shown.It will be appreciated by persons skilled in the art that the tuner 10 in have tuner chip and with the height
The related functional circuits of frequency head chip electrical connection.
Referring to Fig. 1, having the interface connected for tuner 10, the interface in TV motherboard 20 proposed by the invention
Including first interface group and second interface group.The television system of the wherein described first interface group support first kind, described first
The television system of type includes the television system of DVB-S/S2 types；The second interface group supports the television system of Second Type
Formula；The television system of the first kind and the television system of the Second Type are different.The processing circuit passes through institute
It states the signal that interface exports the first interface group or second interface group to handle, to export corresponding TV signal.This
Field technology personnel it is understood that first interface group described herein support DVB-S/S2 types television system, refer to institute
The television system signal by treated the DVB-S/S2 types of tuner 10 can be carried out by stating processing circuit on mainboard 20
Demodulation and decoding.Specific demodulation and decoding process is well known to those skilled in the art, and details are not described herein.The DVB-
S/S2 types indicate DVB-S and DVB-S2.The television system of the Second Type include but not limited to ATV, DVB-T/T2,
The television system of one or more types in DVB-C.
Current television system DVB system transmission modes have following several：Satellite (DVB-S and DVB-S2) wired (DVB-
C), terrestrial wireless (DVB-T/T2)；The main distinction of these transmission modes is the modulation system used because it is different they answer
The requirement of frequency bandwidth is different.QAM-64 modulation systems are used using the DVB-C of low frequency carrier signal, and VHF and UHF is utilized to carry
The DVB-T/T2 of wave uses COFDM modulation systems.And the television system of ATV types inputs for analog signal.In the present solution, passing through
The circuit function definition for redesigning each pin of interface connected for tuner 10 on the mainboard 20, to realize the mainboard 20
The television system of DVB-S/S2 types and one or more television systems in ATV, DVB-T/T2, DVB-C can be supported simultaneously
Formula, to meet the needs of users.
Specifically, table 1 is please referred to, in the present embodiment, table 1 shows that the interface connected for tuner 10 on mainboard 20 is each
The circuit function of pin defines, and wherein the interface shares 20 pins；Table 2 shows the circuit work(of each pin of high frequency connectors
It can define, making high frequency head 10 also has 20 pins, and the pin serial number of the connecting seat 21 and the high frequency connectors
Pin needs to be in mirror symmetry relationship.I.e. when the tuner 10 is connected on the connecting seat 21, No. 1 of the connecting seat 21
Pin corresponds to No. 19 pin of the tuner 10, and No. 2 pins of the connecting seat 21 correspond to the 20th of the tuner 10
Number pin ... ..., and so on.As can be seen that the circuit function of 11~No. 14 pins, 17~No. 20 pins defines in table 1
Support the television system of DVB-S/S2 types；And ATV, DVB- are supported in the circuit function definition of 1~No. 4 pin, 7~No. 8 pins
The television system of T/T2, DVB-C type.It is corresponding, the tuner 10 can receive DVB-S/S2 types television system,
And the television system of one or more types in ATV, DVB-T/T2, DVB-C.It is corresponding with the mainboard 20, it is described
The signal of 1~No. 4 pin of tuner 10,7~No. 10 pins correspondence outputs about the television system of DVB-S/S2 types, 13~
No. 14 pins, 17~No. 20 pins export the television system about ATV, DVB-T/T2, DVB-C type.
Table 1
Table 2
It will be appreciated by persons skilled in the art that the circuit of the interface on the mainboard 20 for being connected for tuner 10
The setting of definition needs the support of the processing circuit.In one embodiment, the television system of the DVB-S/S2 types and
The Second Type television system corresponds to same demodulator circuit and decoding circuit；In another embodiment, the DVB-S/S2
The television system of type and the Second Type television system respectively correspond to independent demodulator circuit and decoding circuit.Herein not
It is specifically limited.
In the present solution, the TV motherboard component includes the TV motherboard 20 and tuner 10, the tuner 10
Support the television system of the first kind and/or the television system of the Second Type.In order to realize tuner 10 and mainboard
The connection of 20 interface for being connected for tuner 10, it is the connection being arranged on the mainboard 20 that the interface, which is arranged, in this programme
Seat 21, the TV motherboard 20 is detachably connected with the tuner 10.In this present embodiment, the mainboard 20 and the high frequency
First 10 are attached by grafting；The connection type of grafting can be effectively prevented from process of production the mainboard 20 with it is described
The cumbersome welding job of tuner 10, reduces production cost, and reduces customs fees and charges of the product in exit procedure.Tool
Body, in the present solution, the connecting seat 21 is 2.0 2*10mm male seats of Du Pont；The tuner 10 includes 2.0 2*10mm of Du Pont
Female seat.The main body of the tuner 10 including tuner 10 and the female seat being connect with the main body.When being assembled, directly
The tuner 10 is plugged on the connecting seat 21 of mainboard 20, you can realize the electrical connection of the two.
On the other hand, in the relative program exported in overseas, if band tuner 10 is as differentiation television set and display
The boundary of device.Specifically, then it is the classification progress payment of duty by television set if being exported with tuner in product, and without height
Frequency head exports, then is the classification payment of duty by display.Therefore in the present solution, the tuner is separable with the TV motherboard 20
Television set can be split into tuner 10 and separately be exported with complete machine by formula design, can effectively reduce tariff in this way, reduce enterprise
The cost cost of industry.
Technical solution of the present invention is by being improved the TV motherboard 20, so that the mainboard 20 is for connecting high frequency
First 10 port can simultaneously the television system of compatible with DVB-S/S2 types and one kind in ATV, DVB-T/T2, DVB-C or
A plurality of types of television systems avoid so that the TV motherboard 20 can be compatible with a plurality of types of tuners 10 because of master
Plate 20 designs different and leads to not realize the television system of compatible with DVB-S/S2 types and other kinds of television system simultaneously
Formula has effectively expanded the application range of the TV motherboard 20；High frequency head module is arranged this programme simultaneously, and the height
Frequency head is attached with the TV motherboard 20 by grafting；The connection type of grafting can not increase TV motherboard space cloth
Under the premise of office, flexibility during producing TV motherboard 20 is effectively increased, and reduce product in exit procedure
In customs fees and charges, to reduce production cost.
Further, it is based on above-described embodiment, further includes that first interface circuit group and second connect in the TV motherboard 20
Mouth circuit group；The first interface circuit group includes multiple first interface circuits, and the first interface passes through first interface circuit
It is electrically connected with the processing circuit；The second interface group includes multiple second interfaces；The second interface circuit group includes more
A second interface circuit, the second interface are electrically connected by second interface circuit with the processing circuit.It is connect herein with first
Illustrate for mouth circuit, the specific electrical signal of the first interface output, after output is handled to the first interface circuit,
It is exported again to the processing circuit and carries out follow-up signal processing, the first interface circuit can play protection pin function, letter
Number mapping function etc..It is understood that since the circuit function definition representated by the first interface in first interface group respectively has
Difference, therefore the corresponding first interface circuit per the first interface is also different from each other.
Referring to Fig. 2, in the present solution, in order to facilitate the installation of on the tuner 10 to the TV motherboard 20, it is arranged
The tuner 10 is located at the side of the TV motherboard 20, and tuner 10 includes main body and the screen being covered in the main body
Cover is covered, in order to realize the connection tightness of tuner 10 and the TV motherboard 20, is arranged on the shielding case and is provided at least
Four connecting pins 11 for welding, so that the tuner 10 then passes through institute with after 20 connecting seat of the mainboard, 21 grafting
The connecting pin 11 and the ground connection of the TV motherboard 20 stated on shielding case are spot welded.This welding manner improves the screen of tuner
Ability is covered, to improve the system stability of entire TV motherboard component.In the present solution, the tuner further include with it is described
The pcb board of tuner main body electrical connection, the connecting seat are set on the pcb board, and the tuner main body and the company
Joint chair 21 is located at the same surface of the pcb board.It can be equipped with for the tuner main body and the TV master on the pcb board
The interface circuit of plate can also be equipped with the test point for testing the tuner main body, not limit herein.
The present invention also proposes a kind of DTV, which includes the TV motherboard component, the TV motherboard group
The concrete structure of part is with reference to above-described embodiment, since this DTV uses whole technical solutions of above-mentioned all embodiments,
Therefore at least there are all advantageous effects caused by the technical solution of above-described embodiment, this is no longer going to repeat them.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of TV motherboard, which is characterized in that the TV motherboard includes processing circuit and the interface that is connected for tuner,
The interface is electrically connected with the processing circuit, and the interface includes：
First interface group, the first interface group support the television system of the first kind, the television system packet of the first kind
Include the television system of DVB-S, DVB-S2 type；
Second interface group, the second interface group support the television system of Second Type；The television system of the Second Type with
The television system inequality of the first kind；
The processing circuit is handled by the signal that the interface exports the first interface group or second interface group, with
Export corresponding TV signal.
2. TV motherboard as described in claim 1, which is characterized in that the television system of the Second Type includes ATV, DVB-
T, one or more in DVB-T 2, DVB-C standards.
3. TV motherboard as described in claim 1, which is characterized in that the processing circuit includes demodulator circuit and decoding electricity
Road；
The demodulator circuit is used to demodulate the signal after frequency conversion that the tuner is exported；
The signal that the decoding circuit exports the demodulator circuit is decoded.
4. TV motherboard as described in claim 1, which is characterized in that further include first interface circuit group in the TV motherboard
With second interface circuit group；
The first interface group includes multiple first interfaces, and the first interface circuit group includes multiple first interface circuits, institute
First interface is stated to be electrically connected with the processing circuit by first interface circuit；
The second interface group includes multiple second interfaces；The second interface circuit group includes multiple second interface circuits, institute
Second interface is stated to be electrically connected with the processing circuit by second interface circuit.
5. a kind of TV motherboard component, which is characterized in that include TV motherboard as described in Claims 1-4 any one, with
And the tuner being electrically connected with the TV motherboard；
The tuner supports the television system of the first kind and/or the television system of the Second Type；The high frequency
Head includes multiple pins；And the tuner and the interface of the TV motherboard are detachably connected.
6. TV motherboard component as claimed in claim 5, which is characterized in that the interface is the company being arranged on the mainboard
Joint chair, the TV motherboard and the tuner grafting.
7. TV motherboard component as claimed in claim 6, which is characterized in that the connecting seat is 2.0 2*10mm of Du Pont public
Seat；The tuner includes 2.0 2*10mm female seats of Du Pont.
8. TV motherboard component as claimed in claim 5, which is characterized in that the tuner is close to the TV motherboard edge
Setting, the tuner include the shielding case of main body and the covering body surfaces, have at least four on the shielding case
Connecting pin, by being welded to connect between the connecting pin and the earth point of the TV motherboard.
9. TV motherboard component as claimed in claim 8, which is characterized in that the tuner further includes and the tuner master
The pcb board of body electrical connection, the connecting seat is set on the pcb board, and the tuner main body is located at the connecting seat
The same surface of the pcb board.
10. a kind of DTV, which is characterized in that the DTV includes the electricity as described in claim 5 to 9 any one
Depending on mainboard assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139101.5A CN108282628A (en) | 2018-02-09 | 2018-02-09 | TV motherboard, TV motherboard component and DTV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139101.5A CN108282628A (en) | 2018-02-09 | 2018-02-09 | TV motherboard, TV motherboard component and DTV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108282628A true CN108282628A (en) | 2018-07-13 |
Family
ID=62808229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810139101.5A Pending CN108282628A (en) | 2018-02-09 | 2018-02-09 | TV motherboard, TV motherboard component and DTV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108282628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3982628A1 (en) | 2020-10-08 | 2022-04-13 | Vestel Elektronik Sanayi ve Ticaret A.S. | User friendly tv signal processing unit |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134880Y (en) * | 2007-12-26 | 2008-10-15 | 青岛海信电器股份有限公司 | Interface between plates of digital television |
| CN201294587Y (en) * | 2008-10-31 | 2009-08-19 | 陕西凌华电子有限公司 | Two-in-one electronic tuner |
| CN201781569U (en) * | 2010-07-14 | 2011-03-30 | 深圳市同洲电子股份有限公司 | Tuner fixing structure and set-top box |
| US20110141218A1 (en) * | 2008-06-25 | 2011-06-16 | Enzo Stancato | Multifunction Apparatus for Telecommunications |
| CN201937744U (en) * | 2011-01-18 | 2011-08-17 | 青岛海信电器股份有限公司 | Signal decoder and television |
| CN202872958U (en) * | 2012-10-12 | 2013-04-10 | 深圳市爱索佳实业有限公司 | Display device capable of realizing exchanging of television and display |
| CN203661184U (en) * | 2014-01-03 | 2014-06-18 | 广州易迩达电子有限公司 | Multi-standard tuner having broadband radio frequency input loop addition output function |
| CN204598153U (en) * | 2015-04-23 | 2015-08-26 | 广州视源电子科技股份有限公司 | Television mainboard |
| CN105812688A (en) * | 2014-12-30 | 2016-07-27 | 厦门厦华科技有限公司 | Split-type LNB interface circuit |
| CN205726078U (en) * | 2016-06-12 | 2016-11-23 | 青岛海信电器股份有限公司 | Tuner keyset, TV SKD and television set |
-
2018
- 2018-02-09 CN CN201810139101.5A patent/CN108282628A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134880Y (en) * | 2007-12-26 | 2008-10-15 | 青岛海信电器股份有限公司 | Interface between plates of digital television |
| US20110141218A1 (en) * | 2008-06-25 | 2011-06-16 | Enzo Stancato | Multifunction Apparatus for Telecommunications |
| CN201294587Y (en) * | 2008-10-31 | 2009-08-19 | 陕西凌华电子有限公司 | Two-in-one electronic tuner |
| CN201781569U (en) * | 2010-07-14 | 2011-03-30 | 深圳市同洲电子股份有限公司 | Tuner fixing structure and set-top box |
| CN201937744U (en) * | 2011-01-18 | 2011-08-17 | 青岛海信电器股份有限公司 | Signal decoder and television |
| CN202872958U (en) * | 2012-10-12 | 2013-04-10 | 深圳市爱索佳实业有限公司 | Display device capable of realizing exchanging of television and display |
| CN203661184U (en) * | 2014-01-03 | 2014-06-18 | 广州易迩达电子有限公司 | Multi-standard tuner having broadband radio frequency input loop addition output function |
| CN105812688A (en) * | 2014-12-30 | 2016-07-27 | 厦门厦华科技有限公司 | Split-type LNB interface circuit |
| CN204598153U (en) * | 2015-04-23 | 2015-08-26 | 广州视源电子科技股份有限公司 | Television mainboard |
| CN205726078U (en) * | 2016-06-12 | 2016-11-23 | 青岛海信电器股份有限公司 | Tuner keyset, TV SKD and television set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3982628A1 (en) | 2020-10-08 | 2022-04-13 | Vestel Elektronik Sanayi ve Ticaret A.S. | User friendly tv signal processing unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9391355B2 (en) | Multi-directional receiving antenna array | |
| AU2009287020B2 (en) | Modular digital television decoder | |
| KR100957257B1 (en) | Signal reception device and signal reception circuit | |
| CN108282628A (en) | TV motherboard, TV motherboard component and DTV | |
| TW432875B (en) | TV station selector capable of receiving CATV signals and FM signals | |
| CN204206374U (en) | A kind of simple two-way signal receives descrambling kilocalorie receiver | |
| ES2319593B1 (en) | MULTIPLE TV SIGNAL PROCESSOR. | |
| CN101316332A (en) | Digital television integrated machine implemented by set-top box adapter, and method thereof | |
| CN203057372U (en) | Digital television receiving terminal | |
| Choi et al. | Design and implementation of DVB-T receiver system for digital TV | |
| KR101090066B1 (en) | Broadcast signal receiving apparatus | |
| CN2888795Y (en) | Combination circuit board | |
| JP2003505942A (en) | Demodulator of multi-protocol receiver | |
| EP3982628A1 (en) | User friendly tv signal processing unit | |
| US20090031386A1 (en) | Multi-Antenna Digital Television Box and the Receiving Method Thereof | |
| CN215816438U (en) | Omnidirectional television antenna structure and omnidirectional television antenna | |
| CN202979203U (en) | Digital TV system | |
| CN207939666U (en) | Audio and video change-over device | |
| KR101092455B1 (en) | Cable card and diagnostic method for host thereof | |
| Yamase et al. | FAM 19.5 | |
| CN207039799U (en) | A kind of new tuner and set top box | |
| JP3451637B2 (en) | Television receiver | |
| CN109600561A (en) | A kind of integrated control system based on simulated television platform | |
| CN101355662A (en) | Multi-antennae digital television case and receiving method thereof | |
| JP2004056371A (en) | Digital broadcast receiver and card type tuner |
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: 20180713 |