CN201131007Y - Television remote control as well as wireless reflector - Google Patents
Television remote control as well as wireless reflector Download PDFInfo
- Publication number
- CN201131007Y CN201131007Y CNU2007201726904U CN200720172690U CN201131007Y CN 201131007 Y CN201131007 Y CN 201131007Y CN U2007201726904 U CNU2007201726904 U CN U2007201726904U CN 200720172690 U CN200720172690 U CN 200720172690U CN 201131007 Y CN201131007 Y CN 201131007Y
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- remote controller
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- 238000006243 chemical reaction Methods 0.000 claims description 9
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- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 102100032533 ADP/ATP translocase 1 Human genes 0.000 description 1
- 102100026396 ADP/ATP translocase 2 Human genes 0.000 description 1
- 101000768061 Escherichia phage P1 Antirepressor protein 1 Proteins 0.000 description 1
- 101000796932 Homo sapiens ADP/ATP translocase 1 Proteins 0.000 description 1
- 101000718417 Homo sapiens ADP/ATP translocase 2 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a TV remote control, which comprises a wireless receiving unit used to receive wireless signals, a wireless converting unit used to convert the wireless signals into audio signals, and a voice playing unit used to play the audio signals. The utility model also discloses a wireless transmitter, which comprises an audio input unit used to input TV audio signals, an audio converting unit used to convert the audio signals into wireless signals, and a wireless transmitting unit used to emit the wireless signals. By using the TV remote control, the wireless transmitter is connected on the TV set, and the TV remote control receives the wireless signals transmitted by the wireless transmitter and plays the signals in the form of audio, thus helping the users to look for channels.
Description
[technical field]
The utility model relates to the TV remote controller field, the wireless launcher that is specifically related to a kind of TV remote controller and is used with it.
[background technology]
TV remote controller brings great convenience to us in actual life, its small and exquisite, removable performance let us takes to Anywhere when walking about at home easily, but the small and exquisite characteristic that has just because of it, it can lie in any corner, and this makes us, and everyone nearly all lives through the worries of looking for remote controller.The pictures and sounds of TV has brought the joyful of body and mind to everybody, but the sound of TV has brought inconvenience the people of study, work, rest for periphery sometimes.
[summary of the invention]
Main purpose of the present utility model solves the problems of the prior art exactly, and the TV remote-control that provides a kind of user of being convenient to seek reaches the television audio signals reflector that is used with it.
For achieving the above object, the utility model provides a kind of TV remote controller, comprise: be used to receive the radio receiving unit of wireless signal, be used for described wireless signal is converted to the wireless converting unit of audio signal, and the sound playing unit that is used to play described audio signal.
In preferred scheme:
Described wireless converting unit comprises the demodulator circuit that is used for the output signal of described radio receiving unit is carried out demodulation.
Also comprise the high-frequency amplifier circuit that is connected between described radio receiving unit and the described demodulator circuit, described high-frequency amplifier circuit receives the output signal of described radio receiving unit and will be delivered to described demodulator circuit after its amplification.
Also comprise the low-frequency amplifier circuit that is connected between described demodulator circuit and the described sound playing unit, described low-frequency amplifier circuit receives the output signal of described demodulator circuit and will be delivered to described sound playing unit after its amplification.
For achieving the above object, the utility model also provides a kind of wireless launcher, comprise: be used to import the audio frequency input unit of tv audio signal, be used for described audio signal is converted to the audio conversion unit of wireless signal, and the wireless transmitting unit that is used to launch described wireless signal.
In preferred scheme:
Described audio frequency input unit comprises the input interface of the sprite audio frequency that is used to import television set AV terminal audio signal or picture-in-picture audio signal.
Also comprise and be used for when the described television audio signals of input, making the out-of-work device of TV loudspeaker.
Described audio conversion unit comprises and is used for and will be delivered to the high-frequency oscillating circuits of described wireless transmitting unit behind the described television audio signals modulating oscillation.
Also comprise the amplitude limiter circuit that is used for the audio amplifier circuit that television audio signals is amplified and is used for signal is carried out amplitude limit, described audio amplifier circuit is connected between described audio frequency input unit and the described high-frequency oscillating circuits, and described amplitude limiter circuit is connected between described audio amplifier circuit and the described high-frequency oscillating circuits.
For achieving the above object, the utility model also provides a kind of TV remote controller, comprises remote controller body and the wireless launcher that is arranged on the television set; Described wireless launcher comprises the audio frequency input unit that is used to import the tv audio signal, is used for described audio signal is converted to the audio conversion unit of wireless signal, and the wireless transmitting unit that is used to launch described wireless signal; Described remote controller body comprises the radio receiving unit that is used to receive wireless signal, is used for described wireless signal is converted to the wireless converting unit of audio signal, and the loudspeaker sound broadcast unit that is used to play described audio signal.
The beneficial effects of the utility model are:
1, adopts the utility model, when the user can not find TV remote controller, on the tv audio output, connect the television audio signals reflector, the television audio signals reflector is converted to wireless signal with sound of television and sends, TV remote controller can receive this wireless signal and be demodulated into audio signal, and the loudspeaker unit by remote controller plays back then, the sound of television that sends by remote controller, the user just can very fast affirmation remote controller place the orientation, find remote controller.
2, peripheral people is lived noisy the time televiewing, can utilize remote controller to listen to the sound of TV, can solve the problem of seeing that TV disturbs residents so again.
3, for the television set that picture-in-picture function is arranged, the television audio signals reflector can comprise that also the sprite audio interface is to send the voice signal of sprite, can make remote controller send the sound of sprite when not cutting off TV key frame sound this moment, and remote controller is sought in the identification of being more convenient for; Can also bring into play the hand-held effect of TV remote controller, when playing TV, listen to the sprite program with this remote controller specially.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is wireless launcher and the TV AVout end connection diagram of a kind of embodiment;
Fig. 2 is the wireless launcher functional block diagram of a kind of embodiment;
Fig. 3 is the wireless transmitter circuits schematic diagram of a kind of embodiment;
Fig. 4 is the TV remote controller functional block diagram of a kind of embodiment;
Fig. 5 is the TV remote controller circuit theory diagrams of a kind of embodiment.
[embodiment]
Please refer to Fig. 1-Fig. 3, in the present embodiment, the wireless audio signal that TV remote controller received is from the wireless launcher that is arranged on the tv audio output, and this wireless launcher comprises audio frequency input unit, audio conversion unit and wireless transmitting unit.Wherein, the audio frequency input unit is used to import television audio signals, and the audio conversion unit is used for television audio signals is converted to wireless signal, and wireless transmitting unit is used to launch this wireless signal.In the present embodiment, the television audio of input comprises television set AVout end audio frequency and television set picture-in-picture sprite audio frequency, and corresponding, this audio frequency input unit has the interface that is used to import above-mentioned audio signal.
As shown in Figure 1 and Figure 2, the audio frequency input unit comprises plug J1, and this plug J1 is connected on television set AVout end, perhaps, television set for using earphone jack output sprite audio frequency also can be connected on earphone jack with the J1 plug, and the audio frequency input unit is promptly imported corresponding television audio signals.In one embodiment, also be included in and make the out-of-work device of TV loudspeaker when connecting television audio, it can be when connecting plug J1, cuts off the power supply of tv speaker or the device of input/output signal by matching with the inside shell fragment of AVout or sprite audio output port and peripheral circuit.Thereby sound of television output automatically switches on the wireless launcher.When needs TV remote controller sounding, make wireless launcher work, this moment, tv speaker stopped sounding, and the user that is more convenient for finds TV remote controller fast.
As shown in Figure 3, the audio conversion unit comprises high-frequency oscillating circuits, and the prime of high-frequency oscillating circuits also comprises audio amplifier circuit and amplitude limiter circuit audio signal.Audio amplifier circuit comprises the first transistor Q1 circuit, audio signal by the output of audio frequency input unit is at first carried out the signal processing and amplifying by this triode Q1 circuit part, then be sent to the amplitude limiter circuit of forming by capacitor C 7, C8, diode D1, D2 and make amplitude limiting processing, then the signal behind the amplitude limit is delivered to the high-frequency oscillating circuits of back level.High-frequency oscillating circuits comprises the second transistor Q2, resonant inductance L1, capacitor C 2, and it uses the audio signal that obtains from prime to remove to modulate high-frequency carrier signal, forms the high-frequency oscillation signal after the modulation, and is that antenna ANT1 launches by wireless transmitting unit.
The TV remote controller decapacitation of present embodiment is kept outside the operate as normal of its inner remote control circuitry, when wireless launcher is worked, can also receive the signal that wireless launcher sends.See also Fig. 4 and Fig. 5, TV remote controller comprises radio receiving unit, wireless converting unit and sound playing unit, and wherein sound playing unit is a loud speaker.Radio receiving unit is that antenna ANT2 receives the wireless signal from TV set terminal, and wireless converting unit is converted to audio signal with wireless signal, the loudspeaker plays audio signal.In the present embodiment, radio receiving unit comprises demodulator circuit, and it preferably adopts model is the IC chip U1 of TDA7021T.Also be provided with high-frequency amplifier circuit between antenna circuit and the demodulator circuit, be delivered to demodulation chip U1 after the high-frequency signal that high-frequency amplifier circuit receives radio receiving unit amplifies.Also be provided with low-frequency amplifier circuit between the output of demodulation chip U1 and the input of speaker circuit, it is the chip U2 of LM386 that this low-frequency amplifier circuit preferably adopts model.The audio signal that demodulation is come out is delivered to loudspeaker unit after the processing of this low-frequency amplifier circuit chip U2, S1 outwards plays by loudspeaker.
The utility model need not change former remote control circuitry, by increasing wireless receiving, change-over circuit and loud speaker, can realize reception, broadcast to the tv wireless audio frequency on TV remote controller.It has following advantage:
One, when the user can not find remote controller, can on television set, connect wireless launcher, obviously this reflector can be configured in all the time on the television set and use at any time with convenient, at this moment, realize the automatic cut-out of the loudspeaker sound of TV own, and television audio is outputted to the audio input end of wireless launcher by reflector, after being converted to wireless signal transmission, remote controller just can receive and play out the sound of TV, thereby orientation that can very fast affirmation remote controller place finds remote controller.
Two, peripheral people is lived noisy the time televiewing, can utilize remote controller to listen to the sound of TV, can solve the problem of seeing that TV disturbs residents so again.Have the TV of picture-in-picture function also can utilize remote controller of the present utility model to receive the sound of sprite, this moment, reflector connect for example earphone jack of picture-in-picture audio port, and then the user can use a teleswitch specially and play, listens to the sprite audio frequency.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a TV remote controller is characterized in that, comprising: be used to receive the radio receiving unit of wireless signal, be used for described wireless signal is converted to the wireless converting unit of audio signal, and the sound playing unit that is used to play described audio signal.
2. TV remote controller as claimed in claim 1 is characterized in that, described wireless converting unit comprises the demodulator circuit that is used for the output signal of described radio receiving unit is carried out demodulation.
3. TV remote controller as claimed in claim 2, it is characterized in that, also comprise the high-frequency amplifier circuit that is connected between described radio receiving unit and the described demodulator circuit, described high-frequency amplifier circuit receives the output signal of described radio receiving unit and will be delivered to described demodulator circuit after its amplification.
4. as claim 2 or 3 described TV remote controller, it is characterized in that, also comprise the low-frequency amplifier circuit that is connected between described demodulator circuit and the described sound playing unit, described low-frequency amplifier circuit receives the output signal of described demodulator circuit and will be delivered to described sound playing unit after its amplification.
5. a wireless launcher is characterized in that, comprising: be used to import the audio frequency input unit of tv audio signal, be used for described audio signal is converted to the audio conversion unit of wireless signal, and the wireless transmitting unit that is used to launch described wireless signal.
6. as wireless launcher as described in the claim 5, it is characterized in that: described audio frequency input unit comprises the input interface of the sprite audio frequency that is used to import television set AV terminal audio signal or picture-in-picture audio signal.
7. as wireless launcher as described in the claim 6, it is characterized in that: also comprise being used for when the described television audio signals of input, making the out-of-work device of TV loudspeaker.
8. as wireless launcher as described in the claim 5 to 7 any, it is characterized in that: described audio conversion unit comprises and is used for and will be delivered to the high-frequency oscillating circuits of described wireless transmitting unit behind the described television audio signals modulating oscillation.
9. as wireless launcher as described in the claim 8, it is characterized in that: also comprise the amplitude limiter circuit that is used for the audio amplifier circuit that television audio signals is amplified and is used for signal is carried out amplitude limit, described audio amplifier circuit is connected between described audio frequency input unit and the described high-frequency oscillating circuits, and described amplitude limiter circuit is connected between described audio amplifier circuit and the described high-frequency oscillating circuits.
10. a TV remote controller is characterized in that, comprises remote controller body and the wireless launcher that is arranged on the television set; Described wireless launcher comprises the audio frequency input unit that is used to import the tv audio signal, is used for described audio signal is converted to the audio conversion unit of wireless signal, and the wireless transmitting unit that is used to launch described wireless signal; Described remote controller body comprises and is used to receive wireless communication. number radio receiving unit, be used for described wireless signal is converted to the wireless converting unit of audio signal, and the loudspeaker sound broadcast unit that is used to play described audio signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201726904U CN201131007Y (en) | 2007-10-26 | 2007-10-26 | Television remote control as well as wireless reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201726904U CN201131007Y (en) | 2007-10-26 | 2007-10-26 | Television remote control as well as wireless reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201131007Y true CN201131007Y (en) | 2008-10-08 |
Family
ID=40018875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201726904U Expired - Fee Related CN201131007Y (en) | 2007-10-26 | 2007-10-26 | Television remote control as well as wireless reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201131007Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554628A (en) * | 2015-11-25 | 2016-05-04 | 东莞茂强电子科技有限公司 | Adapter capable of performing mutual conversion output of audio signal and wireless signal |
| CN108937996A (en) * | 2018-06-07 | 2018-12-07 | 济宁景泽信息科技有限公司 | A kind of CT images system monitoring wireless remote transmission |
-
2007
- 2007-10-26 CN CNU2007201726904U patent/CN201131007Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554628A (en) * | 2015-11-25 | 2016-05-04 | 东莞茂强电子科技有限公司 | Adapter capable of performing mutual conversion output of audio signal and wireless signal |
| CN105554628B (en) * | 2015-11-25 | 2019-09-03 | 东莞精恒电子有限公司 | A kind of adapter that audio signal and wireless signal can be mutually converted output |
| CN108937996A (en) * | 2018-06-07 | 2018-12-07 | 济宁景泽信息科技有限公司 | A kind of CT images system monitoring wireless remote transmission |
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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: 20081008 Termination date: 20111026 |