CN201489647U - TV remote control device - Google Patents
TV remote control device Download PDFInfo
- Publication number
- CN201489647U CN201489647U CN2009201753703U CN200920175370U CN201489647U CN 201489647 U CN201489647 U CN 201489647U CN 2009201753703 U CN2009201753703 U CN 2009201753703U CN 200920175370 U CN200920175370 U CN 200920175370U CN 201489647 U CN201489647 U CN 201489647U
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- triode
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- integrated circuit
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Abstract
The utility model relates to a remote control and particularly provides a TV remote control device. The structure of the TV remote control device comprises a transmitting circuit and a receiving circuit, wherein the transmitting circuit arranged in a TV comprises a switch S, a carrier frequency oscillator circuit A, a coupling circuit B and a signal amplifying circuit C; the switch S is connected with the carrier frequency oscillator circuit A that is connected with a transmitting antenna A1 through the coupling circuit B and the signal amplifying circuit C; the receiving circuit installed in the remote control comprises a superregenerative reception detecting circuit D, an integrated circuit U1, a signal source circuit E and an acousto-optic cue circuit F; the superregenerative reception detecting circuit D is connected with a pin 9 of the integrated circuit U1; the signal source circuit E is connected with the pin 9 and a pin 11 of the integrated circuit U1; and the acousto-optic cue circuit F is connected with the pins 1-6 of the integrated circuit U1. Compared with the prior art, the TV remote control device is characterized by reasonable design, simple structure, convenient use, low manufacturing cost, and the like.
Description
Technical field
The utility model relates to a kind of telepilot, and a kind of TV remote apparatus specifically is provided.
Background technology
Household electrical appliance remote controller under the prior art, especially TV remote controller tend to drop to certain corner of family and can't find, thereby bring the inconvenience in the use.
Summary of the invention
The utility model is at above deficiency, provides a kind of reasonable in design, simple in structure, easy to use, the TV remote apparatus that cost of manufacture is low.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of TV remote apparatus, comprise radiating circuit and receiving circuit, the described radiating circuit that is installed in the televisor comprises switch S, carrier-frequency oscilaltor circuit A, coupled circuit B and signal amplification circuit C, described switch S connects carrier-frequency oscilaltor circuit A, and described carrier-frequency oscilaltor circuit A is connected emitting antenna A1 by coupled circuit B with signal amplification circuit C; The described receiving circuit that is installed in the telepilot comprises superregenrative reception detecting circuit D, integrated circuit U1, signal source circuit E and acousto-optic cue circuit F, described superregenrative reception detecting circuit D connects 9 pin of integrated circuit U1, described signal source circuit E connects 9 pin and 11 pin of integrated circuit U1, and described acousto-optic hint circuit F connects the 1-6 pin of integrated circuit U1.
Carrier oscillator circuit A comprises oscillator TX and triode Q3, Q4, and described oscillator TX connects the base stage of triode Q3 and Q4 respectively.
Coupled circuit B comprises resistance R 3, and described resistance R 3 one ends connect carrier oscillator circuit A, and an end connects signal amplification circuit C.
Signal amplification circuit C comprises triode Q1, and the base stage of described triode Q1 connects coupled circuit B.
Superregenrative reception detecting circuit D comprises capacitor C 2, C3, inductance L 1, and triode Q1, diode D1 and resistance R 8, capacitor C 2 described and that connect is connected the collector of triode Q1 with inductance L 1, and the base stage of described triode Q1 connects resistance R 8 by diode D1.
Signal source circuit E comprises oscillator RX1, triode Q2 and resistance R 4, R5, and described oscillator RX1 connects the base stage of triode Q2, and is connected 11 pin and 9 pin of integrated circuit U1 respectively with R5 by resistance R 4.
Acousto-optic hint circuit F integrated circuit U2 and U4, described integrated circuit U2 one end connects 6 pin of integrated circuit U1, and an end connects loudspeaker EL, and 2 pin of integrated circuit U4 connect 4 pin and 5 pin of integrated circuit U1.
TV remote apparatus of the present utility model compared with prior art, has characteristics reasonable in design, simple in structure, easy to use, low cost of manufacture.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of circuit theory diagrams of radiating circuit of TV remote apparatus;
Fig. 2 is a kind of circuit theory diagrams of receiving circuit of TV remote apparatus.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
A kind of TV remote apparatus, comprise radiating circuit and receiving circuit, the described radiating circuit that is installed in the televisor comprises switch S, carrier-frequency oscilaltor circuit A, coupled circuit B and signal amplification circuit C, described switch S connects carrier-frequency oscilaltor circuit A, and described carrier-frequency oscilaltor circuit A is connected emitting antenna A1 by coupled circuit B with signal amplification circuit C; The described receiving circuit that is installed in the telepilot comprises superregenrative reception detecting circuit D, integrated circuit U1, signal source circuit E and acousto-optic cue circuit F, described superregenrative reception detecting circuit D connects 9 pin of integrated circuit U1, described signal source circuit E connects 9 pin and 11 pin of integrated circuit U1, and described acousto-optic hint circuit F connects the 1-6 pin of integrated circuit U1.
Carrier oscillator circuit A comprises oscillator TX and triode Q3, Q4, and described oscillator TX connects the base stage of triode Q3 and Q4 respectively.
Coupled circuit B comprises resistance R 3, and described resistance R 3 one ends connect carrier oscillator circuit A, and an end connects signal amplification circuit C.
Signal amplification circuit C comprises triode Q1, and the base stage of described triode Q1 connects coupled circuit B.
Superregenrative reception detecting circuit D comprises capacitor C 2, C3, inductance L 1, and triode Q1, diode D1 and resistance R 8, capacitor C 2 described and that connect is connected the collector of triode Q1 with inductance L 1, and the base stage of described triode Q1 connects resistance R 8 by diode D1.
Signal source circuit E comprises oscillator RX1, triode Q2 and resistance R 4, R5, and described oscillator RX1 connects the base stage of triode Q2, and is connected 11 pin and 9 pin of integrated circuit U1 respectively with R5 by resistance R 4.
Acousto-optic hint circuit F integrated circuit U2 and U4, described integrated circuit U2 one end connects 6 pin of integrated circuit U1, and an end connects loudspeaker EL, and 2 pin of integrated circuit U4 connect 4 pin and 5 pin of integrated circuit U1.
A kind of TV remote apparatus of the present utility model in use, press switch S, radiating circuit work, it is the radio signal of 30-50HZ that oscillator TX, triode Q3, Q4 produce frequency, be coupled to the base stage of triode Q1 by resistance R 3, after amplifying, send by electric wire A1.Receiving circuit: after capacitor C 2, inductance L 1 receive the wireless signal of same frequency, amplify through triode Q1, D1, R8 detection, signal after the detection is input to 9 pin of integrated circuit U1 through R6, R7, through the 8 pin output of internal inverters from U1, signal is linked 1 pin of U1, export from 2 pin through internal inverted again, through the 3 pin input ends of D2 to U1, output to integrated circuit U4 control pin from 4,5 pin again, the glittering prompting of U4 pilot lamp, 6 pin of while U1 also output signal arrive the Music Clip input pin, the back promotes loudspeaker EL and sends music, plays suggesting effect.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (7)
1. TV remote apparatus, comprise radiating circuit and receiving circuit, it is characterized in that, the described radiating circuit that is installed in the televisor comprises switch S, carrier-frequency oscilaltor circuit A, coupled circuit B and signal amplification circuit C, described switch S connects carrier-frequency oscilaltor circuit A, and described carrier-frequency oscilaltor circuit A is connected emitting antenna A1 by coupled circuit B with signal amplification circuit C; The described receiving circuit that is installed in the telepilot comprises superregenrative reception detecting circuit D, integrated circuit U1, signal source circuit E and acousto-optic cue circuit F, described superregenrative reception detecting circuit D connects 9 pin of integrated circuit U1, described signal source circuit E connects 9 pin and 11 pin of integrated circuit U1, and described acousto-optic hint circuit F connects the 1-6 pin of integrated circuit U1.
2. a kind of TV remote controller circuit according to claim 1 is characterized in that, described carrier oscillator circuit A comprises oscillator TX and triode Q3, Q4, and described oscillator TX connects the base stage of triode Q3 and Q4 respectively.
3. a kind of TV remote controller circuit according to claim 1 is characterized in that described coupled circuit B comprises resistance R 3, and described resistance R 3 one ends connect carrier oscillator circuit A, and an end connects signal amplification circuit C.
4. a kind of TV remote controller circuit according to claim 1 is characterized in that described signal amplification circuit C comprises triode Q1, and the base stage of described triode Q1 connects coupled circuit B.
5. a kind of TV remote controller circuit according to claim 1, it is characterized in that, described superregenrative reception detecting circuit D comprises capacitor C 2, C3, inductance L 1, triode Q1, diode D1 and resistance R 8, capacitor C 2 described and that connect is connected the collector of triode Q1 with inductance L 1, and the base stage of described triode Q1 connects resistance R 8 by diode D1.
6. a kind of TV remote controller circuit according to claim 1, it is characterized in that, described signal source circuit E comprises oscillator RX1, triode Q2 and resistance R 4, R5, described oscillator RX1 connects the base stage of triode Q2, and is connected 11 pin and 9 pin of integrated circuit U1 respectively with R5 by resistance R 4.
7. a kind of TV remote controller circuit according to claim 1, it is characterized in that, described acousto-optic hint circuit F integrated circuit U2 and U4, described integrated circuit U2 one end connects 6 pin of integrated circuit U1, one end connects loudspeaker EL, and 2 pin of integrated circuit U4 connect 4 pin and 5 pin of integrated circuit U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201753703U CN201489647U (en) | 2009-08-31 | 2009-08-31 | TV remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201753703U CN201489647U (en) | 2009-08-31 | 2009-08-31 | TV remote control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489647U true CN201489647U (en) | 2010-05-26 |
Family
ID=42428517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201753703U Expired - Fee Related CN201489647U (en) | 2009-08-31 | 2009-08-31 | TV remote control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475312A (en) * | 2013-09-10 | 2013-12-25 | 昆山新金福精密电子有限公司 | Signal source circuit |
-
2009
- 2009-08-31 CN CN2009201753703U patent/CN201489647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475312A (en) * | 2013-09-10 | 2013-12-25 | 昆山新金福精密电子有限公司 | Signal source circuit |
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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: 20100526 Termination date: 20100831 |