CN1946155A - Tuner module - Google Patents
Tuner module Download PDFInfo
- Publication number
- CN1946155A CN1946155A CNA2005101134447A CN200510113444A CN1946155A CN 1946155 A CN1946155 A CN 1946155A CN A2005101134447 A CNA2005101134447 A CN A2005101134447A CN 200510113444 A CN200510113444 A CN 200510113444A CN 1946155 A CN1946155 A CN 1946155A
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- tuner
- carrier
- signal
- digital
- decoder
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Abstract
A tuner module includes a first carrier, a tuner, a second carrier, a tuner connector, a digital demodulator, a digital decoder, an analog decoder and a display unit, in which, the tuner is matched on the first carrier adjusting frequencies to receive source signals and generate digital video signals or analog video signals and outputs digital video signals or analog video signals by the connector, the digital demodulator receives digital video signals via the connector to output data flows, the digital decoder lets the display unit display pictures based on data flows, the analog decoder receives analog video signals via the connector to generate decode signals, the display unit receives the decode signals to display, the tuner connector, the digital demodulator, the digital decoder, the analog decoder and the display unit are matched on the second carrier.
Description
Technical field
The invention relates to a kind of tuner module, and particularly relevant for a kind of device of replaceable tuner module.
Background technology
Traditional analog television is to receive analog signal, again image and sound presented, but owing to disturbed easily in transport process with the load mode of simulation, so performance such as image sharpness, antinoise and ghost is all not good.
Therefore, Digital Television (Digital Television, rise gradually by promotion DTV).The transmission of its signal is to use the form of numeral, and signal can not disturbed in transport process.So watch the not only muting problem of Digital Television, and its high image quality, around stereo sound effect, the increase of channel number also has interactively characteristics, all is better than simulated television.
Tuner module is a considerable link in the TV, and the signal of its receipt source makes on-screen displays more after treatment.And the kind of coming source signal that tuner module also can corresponding be received and different designs is arranged.
Yet present stage is the transitional period of Digital Television and simulated television handing-over, and Digital Television takies the market of TV fully, still still has one period time.The client still has different demands for existing TV kind.Finish when the tuner module design,, can increase the time of research staff's redesign once the client changes demand temporarily, and consuming cost.
And when tuner module was finished shipment, the pass tax cost of outlet was quite huge, and can be reacted to consumer's purchasing price, and lowered product competitiveness.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of tuner module exactly, can freely change the harmony device to avoid redesigning harmony device module, avoids increasing research staff's design time and consuming cost.
According to purpose of the present invention, a kind of tuner module is proposed, comprise first carrier, tuner, second carrier, tuner connector, digital demodulator, digital decoder, analog decoder and display unit.Tuner configuration is on first carrier.Tuner is adjusted frequency with the receipt source signal, when coming source signal to be numeral, produces digital video signal, when coming source signal to be simulation, produces analog video signal.The tuner connector is disposed on second carrier, electrically connects with tuner, and tuner is by tuner connector output digital video signal or analog video signal.Digital demodulator is disposed on second carrier, by tuner connector receiving digital video signal, with output stream.Digital decoder is disposed on second carrier, according to data flow so that display screen display frame.Analog decoder is disposed on second carrier, receives analog video signal by the tuner connector, to produce decoded signal.Display unit is disposed on second carrier, receives decoded signal and makes display screen display frame.
According to purpose of the present invention, another kind of tuner module is proposed, comprise first carrier, tuner, second carrier, tuner connector, digital decoder, analog decoder and display unit.Tuner configuration is adjusted frequency with the receipt source signal on first carrier, when coming source signal to be numeral, produces data flow, when coming source signal to be simulation, produces analog video signal.The tuner connector is disposed on second carrier, electrically connects with tuner, and tuner is by tuner connector output stream or analog video signal.Digital decoder is disposed on second carrier, according to data flow so that display screen display frame.Analog decoder is disposed on second carrier, receives analog video signal by the tuner connector, to produce decoded signal.Display unit is disposed on second carrier, receives decoded signal and makes display screen display frame.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
It is the tuner module of first embodiment that proposes according to the present invention that the 1st figure illustrates.
It is the tuner module of second embodiment that proposes according to the present invention that the 2nd figure illustrates.
It is the pin table of comparisons of the tuner connector that proposes according to the present invention that the 3rd figure illustrates.
[main element label declaration]
100,200: tuner module
199: display screen
110,210: the first carriers
120,220: the second carriers
111,211: tuner
121,221: the tuner connector
122: digital demodulator
123: digital decoder
124: analog decoder
125: display unit
Embodiment
Please refer to the 1st figure, it illustrates the calcspar of the tuner module that is first embodiment that proposes according to the present invention.Tuner module 100 is in order to receipt source signal S1, so that display screen 199 display frames.Tuner module 100 comprises first carrier 110 and second carrier 12 0.First carrier 110 and second carrier 12 0 for example be printed circuit board (PCB) (Print Circuit Board, PCB).
First carrier, 110 carrying tuners 111.Tuner 111 when coming source signal S1 to be digital television signal, produces digital video signal S21 in order to adjust frequency with receipt source signal S1, when coming source signal S1 to be anolog TV signals, produces analog video signal S22.
Second carrier 12,0 carrying tuner connector 121, digital demodulator 122, digital decoder 123, analog decoder 124 and display unit 125.Tuner connector 121 electrically connects with tuner 111.Tuner 111 needs to do subsequent treatment by tuner connector 121 output digital video signal S21 or analog video signal S22 to the second carrier 12 0.
Come source signal S1 for example for radiofrequency signal (Radio Frequency, RF).Digital video signal S21 for example is intermediate frequency (intermediate frequency, IF) signal.Display screen 199 for example is a liquid crystal panel.
And tuner 111 is to electrically connect by each element on the tuner connector 121 and second carrier 12 0.Therefore, tuner 111 also can be changed required tuner kind according to the design of second carrier 12 0 or client's demand in assembling process.
Please refer to the 2nd figure, it illustrates the calcspar of the tuner module that is second embodiment that proposes according to the present invention.Tuner module 200 is in order to receipt source signal S1, so that display screen 199 display frames.Tuner module 200 comprises first carrier 210 and second carrier 220.First carrier 210 and second carrier 220 for example are printed circuit board (PCB).
First carrier, 210 carrying tuners 211.Tuner 211 receipt source signal S1 when coming source signal S1 to be digital television signal, produce data flow TS, when coming source signal S1 to be anolog TV signals, produce analog video signal S22.
Second carrier, 220 carrying tuner connectors 221, digital decoder 123, analog decoder 124 and display unit 125.Tuner connector 221 electrically connects with tuner 211.Tuner 211 needs to do subsequent treatment by tuner connector 221 output stream TS or analog video signal S22 to the second carrier 220.
Be not comprise digital demodulator 122 with tuner module 100 differences of first embodiment, and tuner 210 is to comprise the function of digital demodulator 122 with generation data flow TS, and passes through tuner connector 221 transmission stream TS to digital decoder 123.
Please refer to the 3rd figure, it illustrates according to the tuner connector 121 of the present invention's proposition or 221 the pin table of comparisons.Harmony device 111 or 211 control signal are pin 5 and pin 7, its coffret for example be internal integrate circuit bus (Inter-Integrated Circuit, I2C).Pin 2, the big small intensity that RF_AGC system comes source signal S1 to receive in order to control.Pin 4, IF_AGC are as being the size of the digital video signal S21 of intermediate-freuqncy signal in order to control example.Pin 10 and 12, Positive IF and NegativeIF are for example to make to after the digital video signal S21 of intermediate-freuqncy signal is converted to differential type output, with pin 10 and 12 outputs.Pin 13,15,16,17,19,21,23,25 and 27 is the relevant data signals in order to transmission digital video signal S21 or data flow TS.Pin 29, MPEG TS CLK is in order to clock signal to be provided.Whether pin 31 is in order to synchronizing signal to be provided, complete to detect package.In order to the transmission of control package whether pin 33 and 35, MPEG TS Valid and MPEG TS ERROR are.
Pin 18, SIF_OUT are the voice signals in order to output analog video signal S22.Pin 22, ATUNER_CVBS are the picture signals in order to output analog video signal S22.Pin 6,8,9,11,14,20,24,26,28,30,32,34 and 36 is in order to tuner 110 or 210 required voltages to be provided.
The disclosed tuner module of the above embodiment of the present invention has the following advantages:
1. but the tuner of elasticity replacing can satisfy client's design requirement;
2. reduce the time and the consuming cost of research staff's redesign;
3. reduce the export tariffs cost;
4. convenient overseas assembling reduces unnecessary Material Cost;
5. reduce the shortcoming that is subject to outward appearance mechanism.
In sum; though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (14)
1. tuner module comprises:
First carrier;
Tuner is disposed on this first carrier, and this tuner is adjusted frequency with the receipt source signal, when this comes source signal to be digital television signal, this tuner produces digital video signal, and when this came source signal to be anolog TV signals, this tuner produced analog video signal; And
Second carrier;
The tuner connector is disposed on this second carrier, electrically connects with this tuner, and this tuner is exported this digital video signal or this analog video signal by this tuner connector;
Digital demodulator is disposed on this second carrier, receives this digital video signal by this tuner connector, with output stream;
Digital decoder is disposed on this second carrier, according to this data flow so that display screen display frame;
Analog decoder is disposed on this second carrier, receives this analog video signal by this tuner connector, to produce decoded signal; And
Display unit is disposed on this second carrier, receives this decoded signal and makes this display screen display frame.
2. module according to claim 1, wherein this to come source signal be radiofrequency signal.
3. module according to claim 1, wherein this digital video signal is an intermediate-freuqncy signal.
4. module according to claim 1, wherein this display screen is a liquid crystal panel.
5. module according to claim 1, wherein this first carrier is a printed circuit board (PCB).
6. module according to claim 1, wherein this second carrier is a printed circuit board (PCB).
7. module according to claim 1, wherein this digital decoder is a mpeg decoder.
8. tuner module comprises:
First carrier;
Tuner is disposed on this first carrier, adjusts frequency with the receipt source signal, when this comes source signal to be digital television signal, produces data flow, when this comes source signal to be anolog TV signals, produces analog video signal;
Second carrier;
The tuner connector is disposed on this second carrier, electrically connects with this tuner, and this tuner is exported this data flow or this analog video signal by this tuner connector;
Digital decoder is disposed on this second carrier, according to this data flow so that display screen display frame;
Analog decoder is disposed on this second carrier, receives this analog video signal by this tuner connector, to produce decoded signal; And
Display unit is disposed on this second carrier, receives this decoded signal and makes this display screen display frame.
9. module according to claim 8, wherein this to come source signal be radiofrequency signal.
10. module according to claim 8, wherein this digital video signal is an intermediate-freuqncy signal.
11. module according to claim 8, wherein this display screen is a liquid crystal panel.
12. module according to claim 8, wherein this first carrier is a printed circuit board (PCB).
13. module according to claim 8, wherein this second carrier is a printed circuit board (PCB).
14. module according to claim 8, wherein this digital decoder is a mpeg decoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101134447A CN1946155A (en) | 2005-10-09 | 2005-10-09 | Tuner module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101134447A CN1946155A (en) | 2005-10-09 | 2005-10-09 | Tuner module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1946155A true CN1946155A (en) | 2007-04-11 |
Family
ID=38045346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101134447A Pending CN1946155A (en) | 2005-10-09 | 2005-10-09 | Tuner module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1946155A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621647B (en) * | 2009-07-17 | 2010-12-29 | 广州易迩达电子有限公司 | Three-in-one tuner with compatibility of DVB-T/C and ATV |
| CN101742137B (en) * | 2008-11-19 | 2011-09-28 | 上海雅利电子有限公司 | Control circuit for integral high frequency head between digital cable television and digital terrestrial television |
| CN102263983A (en) * | 2011-04-14 | 2011-11-30 | 青岛海信信芯科技有限公司 | SOC (System on a Chip) verification method and debugging tool for radio frequency signals |
| CN102595077A (en) * | 2012-02-10 | 2012-07-18 | 厦门华侨电子股份有限公司 | Digital display with detachable external Tuner extension module |
-
2005
- 2005-10-09 CN CNA2005101134447A patent/CN1946155A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742137B (en) * | 2008-11-19 | 2011-09-28 | 上海雅利电子有限公司 | Control circuit for integral high frequency head between digital cable television and digital terrestrial television |
| CN101621647B (en) * | 2009-07-17 | 2010-12-29 | 广州易迩达电子有限公司 | Three-in-one tuner with compatibility of DVB-T/C and ATV |
| CN102263983A (en) * | 2011-04-14 | 2011-11-30 | 青岛海信信芯科技有限公司 | SOC (System on a Chip) verification method and debugging tool for radio frequency signals |
| CN102595077A (en) * | 2012-02-10 | 2012-07-18 | 厦门华侨电子股份有限公司 | Digital display with detachable external Tuner extension module |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |