CN201039350Y - TV set plug-play device - Google Patents
TV set plug-play device Download PDFInfo
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- CN201039350Y CN201039350Y CNU2007200063580U CN200720006358U CN201039350Y CN 201039350 Y CN201039350 Y CN 201039350Y CN U2007200063580 U CNU2007200063580 U CN U2007200063580U CN 200720006358 U CN200720006358 U CN 200720006358U CN 201039350 Y CN201039350 Y CN 201039350Y
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Abstract
The utility model relates to a receiving circuit of a television system used for random multi systems, in particular to a television plug-and-play device, comprising a plurality of signal interface devices, a signal processing device and a signal output device. The utility model has the structural points that the utility model also comprises a signal detection device, a comparing device, a signal gating switch and the signal interface device, the signal detection device, the comparing unit, the signal gating switch, the signal processor device and the signal output device are connected in sequence. When any one joint of the television joints generates signal access, the signal is outputted to display after processing of the signal detection, gating control and realizes the whole process of plug-and-play. The utility model without the necessary of manual control operation has the advantages of simple and convenient operation.
Description
Technical field
The utility model relates to the receiving circuit that is used for any multi-modulation scheme in a kind of system for TV set, particularly a kind of television set plug-and-play apparatus.
Background technology
Existing television set also often has the interface of a plurality of external videos or other signals, as DVD or high definition color difference components signal or pcs signal or the like except having the function that receives broadcast television signal.In use,, that is to say when new signal such as DVD signal insert that television set need can switch to new signal with the signal source that current picture shows by the people for operating as the real-time signal input.Because the artificial switching mode of outer signal is generally adopted menu selection mode or circulation suitching type, when the outer signal interface of television set for a long time, just need carry out multi-pass operation and can switch to required access signal interface, operate loaded down with trivial details, inconvenience extremely.
Invention constitutes
The purpose of this utility model is to provide a kind of simple, convenient television set plug-and-play apparatus according to the deficiencies in the prior art part.
The utility model is realized by following approach:
The television set plug-and-play apparatus, include a plurality of signal interface units and signal processing apparatus and signal output apparatus, its structural feature is, also include signal supervisory instrument, comparison means and signal gating switch, signal interface unit, signal supervisory instrument, comparison means, signal gating switch and signal processing apparatus, signal output apparatus connect in regular turn.
Signal supervisory instrument is in order to detect the state of each signal interface unit, comparison means is in order to determine the testing result of signal supervisory instrument, if any certain signal interface unit the signal input is arranged, comparison means will compare processing to this signal, it mainly is the misoperation that causes television set for the generation that prevents interference signal, after comparison means is defined as the signal access, by the signal gating switch input signal of this interface is sent into signal processing apparatus and handle, and signal is exported and demonstration by signal output apparatus.This is a process of finishing automatically, that is to say, certain interface generation signal access events is arranged in each interface of television set, by input, determine and the gating control and treatment after, directly this signal is shown output, finished the overall process of plug and play, be not control operation, realized simple, convenient and do not need to carry out again the people.
The utility model can also further be specially:
Also include a storehouse storage device, its input is connected with comparison means, and the control output end is connected with the signal gating switch.
The storehouse storage device has the function of control output in regular turn, and it can store a plurality of data or information, sends or handles according to the high priority data that is provided with storehouse top layer or bottom then.In a plurality of interfaces on the television set, there are two or more interfaces to have signal and insert, then the signal of the up-to-date access of storehouse storage device priority treatment.Even so just can realize further that the instant access of signal is handled, instant playback output.
Signal processing apparatus includes interconnective decoder and image-processing system, and wherein image-processing system is connected with the input of signal output apparatus.
Decoder mainly is to be used for signal to the input of some videos to carry out colour decoding and handle, image-processing system then be in order to the pictorial information of input is carried out conversion of signals, interlacing is handled changes processing line by line and image scaling and processing.In general, the signal of the video interface of television set and the input of S terminal interface all needs to carry out decoding processing, and the signal of DVD or high definition color difference components signal and computer interface input can directly carry out image processing, is sent to the signal output apparatus of back level then.
The utility model can also further be specially:
The control input of signal supervisory instrument is included among the CPU that a model is MTV230MV, the control output of signal supervisory instrument comprises that then a model is in the electronic analog swtich of TC4051, comparison means then is included among the CPU that model is MTV230MV, and the included model that is equipped with electronic analog swtich of signal gating switch is that colour decoder and the model of TVP5147 is in the CCT-032 digital processing unit.A plurality of signal interface units and model are that a plurality of incoming ends of the electronic analog swtich of TC4051 connect one to one.
Model is that TC4051 is a kind of electronic analog swtich, and it has eight input ports, and the signal interface unit of its all or part of port and television set connects one to one.At first send control signal by CPU to electronic analog swtich, to detect by the interface arrangement of electronic analog swtich to television set, the result of detection feeds back to CPU by electronic analog swtich, and CPU compares affirmation to signal then, passes through I
2The input signal entering signal processing unit of the signaling interface of the current use of C bus notice electronic analog swtich gating is handled.
Stacked memory is included among the CPU that model is MTV230MV.
Decoder is included in the decoding processing chip that a model is TVP5147, and image-processing system then is included in the process chip that a model is CCT-032.
The video interface of television set is connected with decoder with the S terminal interface, because decoder is built-in with signal selecting switch, the video input signals of choosing need be by decoding, just carry out image processing then, and HDTV and high definition color difference components signals such as DVD and computer can directly be sent to the digital image processor that is built-in with ADC and analog switch, carry out signal processing by image-processing system.
In sum, advantage of the present utility model is, a kind of plug-and-play apparatus of television set simply and easily is provided, automatically each interface of television set is carried out input by signal supervisory instrument, when detecting current signal when input of having, by the signal gating switch signal is directly read and handles, show output at last.
Description of drawings
Figure 1 shows that the frame structure schematic diagram of television set plug-and-play apparatus described in the utility model;
Figure 2 shows that the circuit frame schematic diagram of television set plug-and-play apparatus described in the utility model;
Figure 3 shows that in the television set plug-and-play apparatus described in the utility model that eight select the circuit diagram of an electronic analog swtich.
Below in conjunction with embodiment the utility model is described further.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1, the television set plug-and-play apparatus, include the signal interface unit, signal supervisory instrument, comparison means, signal gating switch and signal processing apparatus and the signal output apparatus that connect in regular turn, signal processing apparatus includes interconnective decoder and image-processing system, and wherein image-processing system is connected with the input of signal output apparatus.In addition, the television set plug-and-play apparatus also includes a storehouse storage device, and its input is connected with comparison means, and the control output end is connected with the signal gating switch.Signal supervisory instrument is in order to detect the state of each signal interface unit, comparison means is in order to determine the testing result of signal supervisory instrument, if any certain signal interface unit the signal input is arranged, comparison means will compare processing to this signal, it mainly is the misoperation that causes television set for the generation that prevents interference signal, after comparison means is defined as the signal access, by the signal gating switch input signal of this interface is sent into signal processing apparatus and handle, and signal is exported and demonstration by signal output apparatus.Finished the overall process of plug and play, be not control operation, realized simple, convenient and do not need to carry out again the people.The storehouse storage device has the function of control output in regular turn, and it can store a plurality of data or information, sends or handles according to the high priority data that is provided with storehouse top layer or bottom then.
With reference to accompanying drawing 2, this accompanying drawing has embodied under device effect described in the utility model, the operation principle block diagram of television set.Wherein, the control input of signal supervisory instrument is included among the CPU that a model is MTV230MV, the control output of signal supervisory instrument comprises that then a model is that eight of TC4051 selects in the electronic analog swtich, comparison means then is included among the CPU that model is MTV230MV, and the included model that is equipped with electronic analog swtich of signal gating switch is that colour decoder and the model of TVP5 147 is in the CCT-032 digital processing unit.
Model is that TC4051 is a kind of electronic analog swtich, and it has eight input ports, and the signal interface unit of its all or part of port and television set connects one to one.At first send control signal by CPU to electronic analog swtich, to detect by the interface arrangement of electronic analog swtich to television set, the result of detection feeds back to CPU by electronic analog swtich, and CPU compares affirmation to signal then, passes through I
2The input signal entering signal processing unit of the signaling interface of the current use of C bus notice electronic analog swtich gating is handled.
Select in the electronic analog swtich eight, have 5 signal interface units to comprise: rgb signal input interface such as color difference components signal input interface, computers such as Videol_in, S_Yin, Video2_in and HDTV and DVD and model are that 5 incoming ends of the electronic analog swtich of TC4051 connect one to one, and other three is standby port.Wherein in the signal processing apparatus, decoder is included in the decoding processing chip that a model is TVP5147, image-processing system then is included in the process chip that a model is CCT-032, wherein TVP5147 is that a kind of video input is selected and colour decoder, CCT-032 can carry out the ADC conversion to signal, and vision signal is carried out interlacing change processing line by line, also carry out image scaling simultaneously and handle.Pass through under the control of I2C bus at CPU, signal demand after handling by CCT-032 is that the scanning processor of TDA9118 and line-field sweep circuit that model is LA7841/TDA8172 carry out scan process through a model, on the other hand, pass through under the control of I2C bus at CPU, also need to carry out video drive and processing and amplifying, this is the controller processing of LM2429 and LM1269 by model.
The audio output circuit in addition that is connected with CPU and decoder in addition, comprise high-frequency tuner and image, sound intermediate frequency demodulator circuit, also having model is that the audio frequency input selection of LV1116 and sound-effect processing equipment and model are the sound accompaniment power amplifier of TA8246AH, and this audio output circuit also is that CPU controls by the I2C bus.
CPU as described herein is the MCU among Fig. 1 just, and model is MTV230MV.It is controlling TVP5147 colour decoder, CCT-032 processor, TDA9118 scanning processor, LM1269+LM2429 video drive and amplification processor by I2C bus (i.e. I2C_BUS among the figure) and the input of LV1116 audio frequency is selected and sound effect processor.
With reference to accompanying drawing 3, eight select in the circuit diagram of an electronic analog swtich, the master chip model is CD4051B, and its 12nd～15 pin is the outer signal interface respectively: rgb signal input interfaces (i.e. HS_PC among the figure) such as Videol_in (i.e. V1/S_Y_2 among the figure), Video2_in (i.e. V2_2 among the figure) and color difference components signal input interfaces such as HDTV and DVD (i.e. HD_Y_2 among the figure), computer.In addition, its 3rd pin is by being that the synchronizing separator circuit that the two transistor of 2SC1815 and 2SA1015 is formed is connected with the SYNC_in (i.e. SYNC among the figure) of CPU by model.This circuit diagram interface can be compared Fig. 2 and carry out reference.
It is same as the prior art that the utility model is not stated part.
Claims (7)
1. television set plug-and-play apparatus, include a plurality of signal interface units and signal processing apparatus and signal output apparatus, it is characterized in that, also include signal supervisory instrument, comparison means and signal gating switch, signal interface unit, signal supervisory instrument, comparison means, signal gating switch and signal processing apparatus, signal output apparatus connect in regular turn.
2. television set plug-and-play apparatus according to claim 1 is characterized in that, also includes a storehouse storage device, and its input is connected with comparison means, and the control output end is connected with the signal gating switch.
3. television set plug-and-play apparatus according to claim 1 is characterized in that signal processing apparatus includes interconnective decoder and image-processing system, and wherein image-processing system is connected with the input of signal output apparatus.
4. television set plug-and-play apparatus according to claim 1, it is characterized in that, the control input of signal supervisory instrument is included among the CPU that a model is MTV230MV, the control output of signal supervisory instrument comprises that then a model is in the electronic analog swtich of TC4051, comparison means then is included among the CPU that model is MTV230MV, and the included model that is equipped with electronic analog swtich of signal gating switch is that colour decoder and the model of TVP5147 is in the digital processing unit of CCT-032.
5. television set plug-and-play apparatus according to claim 2 is characterized in that, stacked memory is included among the CPU that model is MTV230MV.
6. television set plug-and-play apparatus according to claim 3 is characterized in that, decoder is included in the decoding processing chip that a model is TVP5147, and image-processing system then is included in the process chip that a model is CCT-032.
7. television set plug-and-play apparatus according to claim 4 is characterized in that, a plurality of signal interface units and model are that a plurality of incoming ends of the electronic analog swtich of TC4051 connect one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200063580U CN201039350Y (en) | 2007-02-13 | 2007-02-13 | TV set plug-play device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200063580U CN201039350Y (en) | 2007-02-13 | 2007-02-13 | TV set plug-play device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201039350Y true CN201039350Y (en) | 2008-03-19 |
Family
ID=39211880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200063580U Expired - Fee Related CN201039350Y (en) | 2007-02-13 | 2007-02-13 | TV set plug-play device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201039350Y (en) |
-
2007
- 2007-02-13 CN CNU2007200063580U patent/CN201039350Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20100213 |