CN2681483Y - Television card - Google Patents
Television card Download PDFInfo
- Publication number
- CN2681483Y CN2681483Y CNU2004200930568U CN200420093056U CN2681483Y CN 2681483 Y CN2681483 Y CN 2681483Y CN U2004200930568 U CNU2004200930568 U CN U2004200930568U CN 200420093056 U CN200420093056 U CN 200420093056U CN 2681483 Y CN2681483 Y CN 2681483Y
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- China
- Prior art keywords
- signal
- module
- computer
- pci bus
- processing module
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- 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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Abstract
The utility model relates to a television card, comprising a radio-frequency head module, a composite process module and a control module. The composite process module is respectively connected with the radio-frequency head module and a PCI bus. The television signal is received and primarily processed by the radio-frequency head module according to the command of the composite process module. The output signal and / or the receiving video and the audio signal of the radio-frequency head module are received by the composite process module. The signals above are input into the computer to process, store and display through the PCI bus after processed and converted into the digital signals. The control module is connected with the composite process module. The command of the composite process module and / or the remote control signal of a remote controller send (s) the start-up signal which controls the computer to do the start-up operation to the PCI bus. The timing start-up or the remote controlling start-up is realized when the computer is in a shutdown status or a resting state.
Description
Technical field
The utility model relates to a kind of TV card, particularly a kind of TV card with timing start-up and remote-controlled start-up function.
Background technology
The main effect of TV card is reception and the processing that realizes TV signal, broadcast singal and other video, audio signal, so a critical function of TV card is a recording TV program.Existing TV card can be provided with the timed recording that realizes TV programme by program in advance, but require operating personnel at the fixed time before the manual unlocking computer, or computer remained on open state always, described open state comprises computer normal operating conditions (S0), CPU state (S1), cpu power closed condition (S2) or the parts except that the internal memory state (S3) that all quits work that quits work.Under above-mentioned state, both made computer not carry out effective work, the power consumption of computer is still very big.According to the operation principle of computer as can be known, only under off-mode (comprise that calculator memory information writes hard disk, all parts quit work state, i.e. resting state), power consumption is just very little for computer.
In addition, though existing TV card all has distant control function, its various operations that can realize only limit to computer and are in open state, under the situation that computer is not started shooting as yet, still need open computer power supply by hand, and certain limitation is arranged in the use.
The utility model content
The purpose of this utility model provides a kind of TV card, to solve problem that existing TV card can not the self-timing recording TV program under the computer shutdown state and the problem that does not possess remote-controlled start-up.TV card provided by the utility model is by the technical scheme of a kind of computer timing start-up and remote-controlled start-up, can be implemented in computer shutdown state and resting state (is that calculator memory information writes hard disk, the out-of-work state of all parts) computer timing start-up and remote-controlled start-up under are recorded and are user-friendly to the self-timing of realizing TV programme.
The technical solution of the utility model is achieved in that
A kind of TV card, comprise the tuner module, Combined Processing module and control module, the Combined Processing module is connected with pci bus with the tuner module respectively, the tuner module is carried out preliminary treatment according to the command reception TV signal of Combined Processing module and to TV signal, the Combined Processing module receives the output signal of tuner module and/or receives external video, audio signal, and above-mentioned signal processing converted to be input to computer by pci bus after the digital signal and handle, storage or demonstration, control module is connected with the Combined Processing module, receive the instruction of Combined Processing module and/or the remote signal of reception remote controller, send the starting-up signal that the control computer is carried out the start operation to pci bus, it is characterized in that: described control module is connected with the PMEA19 pin of pci bus.
Described pci bus is the PCI2.2 bus.Described computer is meant the computer that uses the ATX power supply, and computer must be permission with the PME function setting in BIOS is provided with.
Described tuner module is by radio frequency interface received television program, and described Combined Processing module receives external video, audio signal by composite video interface or S-Video interface.
Described control module is to comprise that plate carries the control circuit of MCU and remote control infrared remote receiver J1.
Described control circuit comprises that plate carries MCU, remote control infrared remote receiver J1, triode Q1 and Q2 and resistance R 1, R3 and R4, and the outside infrared signal that remote control infrared remote receiver J1 will receive sends to plate and carries MCU; Plate carries MCU and is connected to the base stage of triode Q1 and the collector electrode of triode Q2 by resistance R 1, and the collector electrode of triode Q1 is connected to the PME pin of pci bus, and its emitter is by resistance R 3 ground connection; The grounded emitter of triode Q2, its base stage by resistance R 4 be connected to pci bus+5V power supply signal VCC; Plate carries MCU and also is connected with the Combined Processing module, receives the instruction that the Combined Processing module sends.
Active computer can opened under the PME function situation, the level of the PME A19 pin by control PCI2.2 bus is controlled computer starting, the utility model TV card utilizes the control circuit in the control module to be connected with the PME A19 pin of pci bus, make the PME A19 pin of pci bus change the computer PME incident that triggers to low level, and then start computer by high level.Control module receives the starting-up signal of remote controller or start-up command that the control module timing routine sends can make control module control peripheral auxiliary circuits trigger the PME incident of pci bus, realizes remote-controlled start-up and timing start-up function.
As mentioned above, effect of the present utility model is conspicuous.The utility model adopts the technical scheme of control module by the operation of pci bus control computer booting, can realize the timing start-up and the remote-controlled start-up of computer, thereby when making TV card be used for the timed recording TV programme, needn't require computer to continue before the time to be in the booting wait state at performance recording, thereby the waste of energy of having avoided the long-time booting wait of computer to cause.Can realize simultaneously convenient and reliable remote-controlled start-up operation.
Description of drawings
Fig. 1: theory diagram of the present utility model.
Fig. 2: the utility model control circuit schematic diagram.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model TV card comprises the tuner module, Combined Processing module and control module, the Combined Processing module is connected with pci bus with the tuner module respectively, the tuner module is carried out preliminary treatment according to the command reception TV signal of Combined Processing module and to TV signal, the Combined Processing module receives the output signal of tuner module and/or receives external video, audio signal, and above-mentioned signal processing converted to be input to computer by pci bus after the digital signal and handle, storage or demonstration, control module is connected with the Combined Processing module, control module receives the instruction of Combined Processing module and/or receives the remote signal of remote controller, send the starting-up signal that the control computer is carried out the start operation to pci bus, it is characterized in that: described control module is connected with the PME A19 pin of pci bus.
Described pci bus adopts the PCI2.2 bus.Described computer is meant the computer that uses the ATX power supply, and computer must be permission with the PME function setting in BIOS is provided with.
Described tuner module is by radio frequency interface received television program, and described Combined Processing module receives external vision signal and audio signal by composite video interface or S-Video interface.
According to the routine definition, computer power supply has five kinds of power supply statuss, is respectively:
S0---normal operating conditions;
S1---the CPU state that quits work;
S2---cpu power closed condition;
S3---parts except that the internal memory state that all quits work;
S4---memory information writes hard disk, and the power supply of shutting down computer (being called resting state again)
S5---off-mode.
" start " described in the utility model is meant that calculating function writes hard disk computer closed condition (S4) from off-mode (S5) or memory information and enter computer normal operating conditions (S0).The utility model possesses simultaneously makes computer enter computer normal operating conditions (S0) from CPU state (S1) or cpu power closed condition (S2) or the parts except that the internal memory state (S3) that all quits work that quits work.
The tuner module of the utility model TV card received television signal under the control of Combined Processing module, described signal is by the input of radio frequency (RF) interface.The tuner module is connected with the Combined Processing module, and the signal that becomes the Combined Processing module to use processing television signals uses for the Combined Processing module.The Combined Processing module can also be passed through S-Video (S terminal), Compsite (composite video) and audio input interface links to each other with the outer signal source.Above-mentioned signal converts digital signal in the Combined Processing module after, be sent to processing on the computer, storage or demonstration through pci bus.
Prior art is all adopted in above-mentioned Signal Processing, conversion and transmission, and technical scheme is very ripe.
Active computer can opened under the PME function situation, the level of the PME A19 pin by control PCI2.2 bus is controlled computer starting, the utility model TV card utilizes the control circuit in the control module to be connected with the PME A19 pin of pci bus, make the PME A19 pin of PCI2.2 bus change the computer PME incident that triggers to low level, and then start computer by high level.The utility model adopts this principle to realize goal of the invention.Be the available machine time instruction that described control module receives the Combined Processing module, arrive reservation during the available machine time, by the PME incident of control circuit triggering pci bus, to realize the opening computer operation.In addition, control module can also receive the starting-up signal that remote controller sends, and by the PME incident of control circuit triggering pci bus, realizes the opening computer operation.
The utility model timing start-up workflow is: according to the setting of user's subscription time, the Combined Processing module is formulated precontract task, and the time that will need to start shooting by event sequence send to control module, control module writes down the time point of this precontract task.No matter whether computer is in start, shutdown or other states, whether time point and computer that whether the lasting present time of inspection of control module surpasses precontract task are in S4 or S5 power supply status, control module then by the operation of starting shooting of pci bus control computer, makes computer enter normal operating conditions (S0).If computer is not in S4 or S5 power supply status, then the start operation of control module transmission is invalid.After computer reached the S0 power supply status, the Combined Processing module sent to control module with next task, and control module writes down the time point of this precontract task.
Control module can also receive the starting-up signal that remote controller sends, and by the operation of pci bus control opening computer, this start process is identical with the timing start-up process.
Described control module is to comprise that plate carries the control circuit of MCU and remote control infrared remote receiver J1.No matter computer is at which kind of state, plate carry MCU in running order always in.MCU provides power supply by pci bus A14 pin, and pci bus A14 pin all has the output of 3.3V power supply under any power supply status, can guarantee MCU operate as normal under any power supply status.The time point of control module recording reservation task is meant that driver carries MCU to plate and writes numerical value, and whether MCU arrives subscription time according to writing the numerical value decision.When arriving subscription time, MCU then carries out the start operation, if this computer-chronograph is in off-mode, computer will start.Plate carries MCU and detects the starting-up signal that remote controller sends simultaneously in real time, carries out the start operation just receive starting-up signal, if this computer-chronograph is in off-mode, computer will start.
Fig. 2 is the utility model control module circuit diagram.
As shown in Figure 2,2 legs of remote control infrared remote receiver J1 are connected with 1 leg that plate carries MCU, and the outside infrared signal that remote control infrared remote receiver J1 is received sends to plate and carries MCU; Plate carries the 5 leg ground connection of MCU, and its 4 leg connects the 3.3V power supply by capacitor C 2 ground connection reaching by resistance R 7 respectively, and capacitor C 2 and resistance R 7 constitute a RC reset circuit; The two ends of oscillating crystal X1 are connected with 15 legs, 16 legs that plate carries MCU respectively, and by capacitor C 3, C4 ground connection; 13 legs that plate carries MCU are connected to the base stage of triode Q1 and the collector electrode of triode Q2 by resistance R 1, and the collector electrode of triode Q1 is connected to the PME A19 pin of pci bus, and its emitter is by resistance R 3 ground connection; The grounded emitter of triode Q2, its base stage by resistance R 4 be connected to pci bus+5V power supply signal VCC; 6,7,8,9,10,11,12 pin that plate carries MCU are data/address bus, are connected to the Combined Processing module, receive the subscription time assignment instructions that the Combined Processing module sends.
The course of work of above-mentioned control circuit is:
State 1: when computer is in S4, S5 power supply status, pci bus+not input of 5V power supply VCC, then triode Q2 is in cut-off state;
State 2: when not having timing start-up signal or remote-controlled start-up signal, 13 legs that plate carries MCU are low level, the base stage of triode Q1 and the collector electrode of Q2 also are low level, then triode Q1, Q2 all are in cut-off state, the PME pin of pci bus is a high level state, can not cause the opening computer operation;
State 3: when timing start-up signal or remote-controlled start-up signal, 13 legs that plate carries MCU are high level, the base stage of triode Q1 is a high level, then triode Q1 is in conducting state, the PME A19 pin of pci bus becomes low level, finish opening computer action (needing to support the PME power up function in the bios program of computer), this moment, triode Q2 still was in cut-off state;
State 4: behind computer booting, be that computer is when being in any power supply status of S0, S1, S2, S3, pci bus+5V power supply VCC produces input, make triode Q2 be in conducting state, the collector electrode of the base stage of triode Q1 and triode Q2 is always low level, and triode Q1 is in cut-off state.Like this, behind computer booting, no matter how the plate 13 leg level that carry MCU change, and the PME A19 pin of pci bus is always high level state, can not produce any influence to computer system and other PCI equipment.
State 5: when the user shut down computer, control circuit returned to state 1.
The plate of present embodiment carries MCU and adopts MDT2005, and the crystal oscillator X1 that MCU uses is 4MHz, and remote control infrared remote receiver socket J1 adopts the 4Pins socket, and described triode Q1, Q2 are NPN transistor 2N3940.
In sum, the utility model has tangible technique effect.The utility model adopts the technical scheme of control module by the operation of pci bus control computer booting, can realize the timing start-up and the remote-controlled start-up of computer.When TV card is used for the TV programme timed recording, needn't require computer before performance recording, to continue to be in the booting wait state, thereby the waste of energy of having avoided the long-time booting wait of computer to cause.Simultaneously, TV card of the present utility model also has convenient and reliable remote-controlled start-up feature operation.
The utility model has been described in detail technical scheme with the foregoing description, but should not be limited to this.Persons skilled in the art to its modification of making or change, all should belong to protection range of the present utility model by design of the present utility model.
Claims (5)
1. TV card, comprise the tuner module, Combined Processing module and control module, the Combined Processing module is connected with pci bus with the tuner module respectively, the tuner module is carried out preliminary treatment according to the command reception TV signal of Combined Processing module and to TV signal, the Combined Processing module receives the output signal of tuner module and/or receives external video, audio signal, and above-mentioned signal processing converted to be input to computer by pci bus after the digital signal and handle, storage or demonstration, control module is connected with the Combined Processing module, receive the instruction of Combined Processing module and/or the remote signal of reception remote controller, send the starting-up signal that the control computer is carried out the start operation to pci bus, it is characterized in that: described control module is connected with the PME A19 pin of pci bus.
2. TV card as claimed in claim 1 is characterized in that: described pci bus is the PCI2.2 bus.
3. TV card as claimed in claim 1 is characterized in that: described tuner module is by radio frequency interface received television signal, and described Combined Processing module receives external video, audio signal by composite video interface or S-Video interface.
4. TV card as claimed in claim 1 is characterized in that: described control module is to comprise that plate carries the control circuit of MCU and remote control infrared remote receiver J1.
5. TV card as claimed in claim 4, it is characterized in that: described control circuit comprises that plate carries MCU, remote control infrared remote receiver J1, triode Q1 and Q2 and resistance R 1, R3 and R4, and the outside infrared signal that remote control infrared remote receiver J1 will receive sends to plate and carries MCU; Plate carries MCU and is connected to the base stage of triode Q1 and the collector electrode of triode Q2 by resistance R 1, and the collector electrode of triode Q1 is connected to the PME A19 pin of pci bus, and its emitter is by resistance R 3 ground connection; The grounded emitter of triode Q2, its base stage by resistance R 4 be connected to pci bus+5V power supply signal VCC; Plate carries MCU and also is connected with the Combined Processing module, receives the instruction that the Combined Processing module sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200930568U CN2681483Y (en) | 2004-09-06 | 2004-09-06 | Television card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200930568U CN2681483Y (en) | 2004-09-06 | 2004-09-06 | Television card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2681483Y true CN2681483Y (en) | 2005-02-23 |
Family
ID=34608162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200930568U Expired - Fee Related CN2681483Y (en) | 2004-09-06 | 2004-09-06 | Television card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2681483Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790063A (en) * | 2010-02-11 | 2010-07-28 | 徐汉阳 | Radio and TV programme acquisition monitor |
| US7937598B2 (en) | 2008-01-10 | 2011-05-03 | Avermedia Technologies, Inc. | Method for operating TV tuner card |
-
2004
- 2004-09-06 CN CNU2004200930568U patent/CN2681483Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7937598B2 (en) | 2008-01-10 | 2011-05-03 | Avermedia Technologies, Inc. | Method for operating TV tuner card |
| CN101790063A (en) * | 2010-02-11 | 2010-07-28 | 徐汉阳 | Radio and TV programme acquisition monitor |
| CN101790063B (en) * | 2010-02-11 | 2011-09-14 | 徐汉阳 | Radio and TV programme acquisition monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |