CN202454065U - Wireless remote controller device with function of wireless earphones - Google Patents
Wireless remote controller device with function of wireless earphones Download PDFInfo
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- CN202454065U CN202454065U CN2012200948922U CN201220094892U CN202454065U CN 202454065 U CN202454065 U CN 202454065U CN 2012200948922 U CN2012200948922 U CN 2012200948922U CN 201220094892 U CN201220094892 U CN 201220094892U CN 202454065 U CN202454065 U CN 202454065U
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Abstract
The utility model relates to a wireless remote controller device with the function of a pair of wireless earphones, which is mainly and technically characterized by consisting of two parts including a remote controller and an audio signal transmitter; the remote controller controls a television terminal or a set-top box terminal by emitting infrared rays; the audio signal transmitter is connected with the audio port of the television terminal or the set-top box terminal for receiving and modulating an audio signal and transmitting the same to the remote controller wirelessly; and the audio signal is output through the ports of the earphones after the remote controller demodulates the received wireless audio signal. According to the utility model, the wireless remote controller device with the function of the wireless earphones has a reasonable design, not only can remotely control a television set, a set-top-box and other terminals and equipment, but also can receive high-quality television sound through the earphone ports which are arranged on the remote controller without affecting the life, the work and the learning of people around, and has the characteristics of strong anti-interference capability, high bandwidth, low cost and the like due to adopting a special chip for receiving and transmitting 2.4G radio frequency.
Description
Technical field
The utility model belongs to radio transmission technical field, especially a kind of wireless remote control apparatus with wireless earphone function.
Background technology
When people watch DTV, can regulate contents such as program, volume, menus through the respective keys on TV or the STB.Spectators operate in the original place for ease, carry out various adjustings and conversion and needn't go to the televisor front, and telepilot is taken advantage of a turn of events and get on.Existing telepilot adopts infrared light to transmit signal and communicate by letter more, and this remote control mode comes communicating control information with infrared ray as carrier, and remote control transmitter is realized different operation through the control to the infrared light transmission frequency; Receiver of remote-control sytem is judged control operation through the identification to the infrared light receive frequency, accomplishes whole Infrared Remote-Control Sending, receiving course.IR remote controller has does not influence surrounding enviroment, do not disturb other electric equipment, characteristics such as encoding and decoding are easy, transfer efficiency height, and transmitter is easy to miniaturization and cheap.What early stage telepilot used is the emission that special-purpose integrated transmitting chip is realized remote control mode; These chip prices are more expensive; And the remote control coding form that adopts each other is incompatible, so the telepilot of each type usually can only be to separately remotely-controlled object and can't be general; Subsequently, 4 or 8 s' simple single-chip microcomputer is applied on the telepilot more, has realized the emission of remote control coding through software simulation, and practicability makes telepilot possess learning functionality more, a plurality of terminal devices of telepilot may command.But function ratio is more single comparatively speaking for the shortcoming of existing telepilot, and it only can not carry other radio function, like the function of wireless headset as the substituting of terminal device buttons such as television terminal or STB.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, and a kind of wireless remote control apparatus with wireless earphone function of reasonable in design, feature richness is provided.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of wireless remote control apparatus with wireless earphone function; Comprise telepilot and sound signal transmitter two parts; Telepilot is through emission infrared light control NTSC television system NTSC terminal or STB terminal; The sound signal transmitter is connected with the S/PDIF port of television terminal or STB terminal and is used for reception, audio signal modulation and is transmitted into telepilot with wireless mode, and telepilot carries out after the demodulation process through the ear port output audio signal the wireless audio signal that receives.
And described sound signal transmitter also can be connected with the RCA interface of television terminal or STB terminal or earphone interface and be used for reception, conversion and audio signal modulation and be transmitted into telepilot with wireless mode.
And; The internal circuit of described telepilot comprises MCU, infrared transmission module, sound signal receiver module, D/A converter module, keyboard circuit and ear port; MCU is connected with infrared transmission module, sound signal receiver module, D/A converter module respectively, and the digital audio and video signals of sound signal receiver module output is connected to ear port after D/A converter module.
And described sound signal receiver module adopts 2.4G radio-frequency receiving-transmitting special chip, and its communication protocol is the P2P wireless transmission protocol, and its carrier frequency is 2.404GHz～2.485GHz.
And; The internal circuit of described sound signal transmitter is connected and composed by MCU and sound signal transmitter module; This sound signal transmitter module is connected with the S/PDIF port of TV or STB terminal, and the sound signal of this sound signal transmitter module output is through a day alignment telepilot emission.
And; The internal circuit of described sound signal transmitter comprises MCU, sound signal transmitter module and analog-to-digital conversion module; The sound signal transmitter module is connected with analog-to-digital conversion module with MCU respectively; The sound signal transmitter module is connected with the S/PDIF port of TV or STB terminal, and this analog-to-digital conversion module is connected with the RCA interface of TV or STB terminal, and the sound signal of this sound signal transmitter module output is through a day alignment telepilot emission.
And described sound signal transmitter module adopts 2.4G radio-frequency receiving-transmitting special chip and communicates according to the 2.4G wireless transmission protocol of P2P, and its carrier frequency is 2.404GHz～2.485GHz.
The advantage and the good effect of the utility model are:
The utility model is integrated in infrared transmission module, sound signal receiver module and ear port in the telepilot; And match through the sound signal transmitter that is connected with terminals such as televisor, STBs; Not only can be used for terminal devices such as televisor, STB are carried out straighforward operation; But also can listen to the Hi-Vision sound accompaniment through the ear port that is arranged on the telepilot, and not influencing personnel's life, working and learning on every side, this telepilot possesses autonomous channel separately to the adjustment of wireless headset volume with to the adjustment of television terminal volume; Be independent of each other, guaranteed the normal use of telepilot.
Description of drawings
Fig. 1 is that the integral body of the utility model connects synoptic diagram;
Fig. 2 is the remote control circuitry figure of the utility model;
Fig. 3 is the sound signal transmitter circuit figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
A kind of wireless remote control apparatus with wireless earphone function, as shown in Figure 1, comprise telepilot 1 and sound signal transmitter 2 two parts.Telepilot 1 is integrated with infrared transmission module, sound signal receiver module; Infrared transmission module converts the key information of telepilot into the infrared signal instruction, thereby realizes normal distant control function by infrared transmission module emission infrared light control television terminal or STB terminal 3; The sound signal receiver module is responsible for the wireless audio signal of received audio signal transmitter 2 emissions; And, after plugging in the earphone, the user can listen to high-quality Hi-Vision sound accompaniment by 2 emissions of sound signal transmitter through sending to the ear port of telepilot after the demodulation process.The S/PDIF port that sound signal transmitter 2 connects television terminal or STB terminal 3 through cable receives digital audio and video signals or RCA interface, earphone interface receives simulated audio signal, and this sound signal is through being transmitted on the sound signal receiver module of telepilot through wireless mode after the ovennodulation.
The remote control circuitry of the utility model; As shown in Figure 2; Comprise MCU, infrared transmission module, sound signal receiver module, D/A converter module, keyboard circuit and ear port; MCU is connected with infrared transmission module, sound signal receiver module, D/A converter module respectively, and the digital audio and video signals of sound signal receiver module output connects D/A converter module and after the D/A conversion, is connected to ear port.Infrared transmission module is controlled by MCU, when key is pressed, produces the external interrupt request signal; Make MCU get into Interrupt Process, and through judging PC0-PC4, the level of each port of PD0-PD4 change; Which button with what confirm that keyboard presses is; After confirming button, MCU instructs the infrared of different frequency according to the different keys initial value and sends the infrared module to through the PD4 port, sends through amplifying rear drive infraluminescence diode.The sound signal receiver module adopts 2.4G radio-frequency receiving-transmitting special chip; The related register of MCU configuration 2.4G radio-frequency receiving-transmitting special chip makes its ability operate as normal, and 2.4G radio-frequency receiving-transmitting special chip receives the digital audio and video signals after modulating through paster antenna; Carry out obtaining digital audio and video signals after the demodulation at chip internal; Send to D/A converter module (DAC) through the DATA pin, convert digital audio and video signals into simulated audio signal, send to ear port; Through ear port AUDIO_JACK_3.5 output, the user inserts earphone and gets final product the sound that the listening to audio signal projector sends.As the audio interface receiving portions, the mode pin puts 0.
The sound signal transmitter circuit of the utility model; As shown in Figure 3; Comprise MCU, 2.4G radio-frequency receiving-transmitting special chip and analog-to-digital conversion module; 2.4G the S/PDIF pin of radio-frequency receiving-transmitting special chip receives the digital audio and video signals from the S/PDIF port output of TV or STB terminal, after this chip modulation, is connected antenna and is adopted the P2P agreement of 2.4G to send by pin ANT2 and send in the wireless network; Be input to analog-to-digital conversion module (ADC chip) from the simulated audio signal of TV or STB terminal through interface AUDIO_JACK_3.5 and carry out analog to digital conversion; Digital audio and video signals after the ADCDAT pin of ADC chip will be changed outputs to the DATA pin of 2.4G radio-frequency receiving-transmitting special chip and modulates, and the sound signal after the modulation is connected to antenna and adopts the P2P agreement of 2.4G to send through pin ANT2 and sends in the wireless network.2.4G the configuration information of radio-frequency receiving-transmitting special chip is stored among the MCU; MCU orders through the button control that the GPIO interface receives the user, and through SPI interface (like SSCK, SMISO, DD [1] pin) radio-frequency receiving-transmitting special chip and analog-to-digital conversion module (ADC chip) is controlled to accomplish user's corresponding operating.As the audio interface receiving portions, the mode pin puts 1.
Sound signal transmitter and telepilot all adopt 2.4G radio-frequency receiving-transmitting special chip to carry out wireless telecommunications, and its frequency range is between the 2.405GHz-2.485GHz, has the advantage of high bandwidth and implemented with low cost.2.4G the working method of wireless technology is a full duplex mode, antijamming capability is extremely strong, and transmission range is not less than 10 meters, has the message transmission rate of 2M/s, therefore, when the transmission high-quality audio-frequency signal, stronger reducing power is arranged.
It is emphasized that; The described embodiment of the utility model is illustrative; Rather than it is determinate; Therefore the utility model is not limited to the embodiment described in the embodiment, every by those skilled in the art according to other embodiments that the technical scheme of the utility model draws, belong to the scope of the utility model protection equally.
Claims (7)
1. wireless remote control apparatus with wireless earphone function; It is characterized in that: comprise telepilot and sound signal transmitter two parts; Telepilot is through emission infrared light control NTSC television system NTSC terminal or STB terminal; The sound signal transmitter is connected with the S/PDIF port of television terminal or STB terminal and is used for reception, audio signal modulation and is transmitted into telepilot with wireless mode, and telepilot carries out after the demodulation process through the ear port output audio signal the wireless audio signal that receives.
2. a kind of wireless remote control apparatus with wireless earphone function according to claim 1 is characterized in that: described sound signal transmitter also can be connected with the RCA interface of television terminal or STB terminal or earphone interface and be used for reception, conversion and audio signal modulation and be transmitted into telepilot with wireless mode.
3. a kind of wireless remote control apparatus according to claim 1 and 2 with wireless earphone function; It is characterized in that: the internal circuit of described telepilot comprises MCU, infrared transmission module, sound signal receiver module, D/A converter module, keyboard circuit and ear port; MCU is connected with infrared transmission module, sound signal receiver module, D/A converter module respectively, and the digital audio and video signals of sound signal receiver module output is connected to ear port after D/A converter module.
4. a kind of wireless remote control apparatus according to claim 3 with wireless earphone function; It is characterized in that: described sound signal receiver module adopts 2.4G radio-frequency receiving-transmitting special chip; Its communication protocol is the P2P wireless transmission protocol, and its carrier frequency is 2.404GHz～2.485GHz.
5. a kind of wireless remote control apparatus according to claim 1 with wireless earphone function; It is characterized in that: the internal circuit of described sound signal transmitter is connected and composed by MCU and sound signal transmitter module; This sound signal transmitter module is connected with the S/PDIF port of TV or STB terminal, and the sound signal of this sound signal transmitter module output is through a day alignment telepilot emission.
6. a kind of wireless remote control apparatus according to claim 2 with wireless earphone function; It is characterized in that: the internal circuit of described sound signal transmitter comprises MCU, sound signal transmitter module and analog-to-digital conversion module; The sound signal transmitter module is connected with analog-to-digital conversion module with MCU respectively; The sound signal transmitter module is connected with the S/PDIF port of TV or STB terminal; This analog-to-digital conversion module is connected with the RCA interface of TV or STB terminal, and the sound signal of this sound signal transmitter module output is through a day alignment telepilot emission.
7. according to claim 5 or 6 described a kind of wireless remote control apparatuses with wireless earphone function; It is characterized in that: described sound signal transmitter module adopts 2.4G radio-frequency receiving-transmitting special chip and communicates according to the 2.4G wireless transmission protocol of P2P, and its carrier frequency is 2.404GHz～2.485GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200948922U CN202454065U (en) | 2012-03-14 | 2012-03-14 | Wireless remote controller device with function of wireless earphones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200948922U CN202454065U (en) | 2012-03-14 | 2012-03-14 | Wireless remote controller device with function of wireless earphones |
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| Publication Number | Publication Date |
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| CN202454065U true CN202454065U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200948922U Expired - Fee Related CN202454065U (en) | 2012-03-14 | 2012-03-14 | Wireless remote controller device with function of wireless earphones |
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| Country | Link |
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| CN (1) | CN202454065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900883A (en) * | 2018-06-07 | 2018-11-27 | 深圳市亿联智能有限公司 | It is a kind of using Bluetooth transmission remote signal and the transmission method of audio data |
| CN109361890A (en) * | 2018-12-12 | 2019-02-19 | 达州市志向科技外包服务有限公司 | A kind of video call system |
-
2012
- 2012-03-14 CN CN2012200948922U patent/CN202454065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900883A (en) * | 2018-06-07 | 2018-11-27 | 深圳市亿联智能有限公司 | It is a kind of using Bluetooth transmission remote signal and the transmission method of audio data |
| CN109361890A (en) * | 2018-12-12 | 2019-02-19 | 达州市志向科技外包服务有限公司 | A kind of video call system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20150314 |
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| EXPY | Termination of patent right or utility model |