The utility model content
In view of this, main purpose of the present utility model is to provide a kind of remote controller and TV remote receiving system, to realize carrying out voice bidirectional communication between television set and the remote controller.
The remote controller that the utility model provides comprises:
Voice-input unit 104 is used to receive the voice signal that the user sends, and offers first Audio Processing Unit 103;
Voice-output unit 105 is of coupled connections with first Audio Processing Unit 103, is used to play the voice signal from first Audio Processing Unit 103;
First Audio Processing Unit 103 is of coupled connections with voice-input unit 104, is used to carry out the mutual conversion of voice signal and audio digital signals;
First control unit 102, be of coupled connections with first Audio Processing Unit 103 and the first radiofrequency signal Transmit-Receive Unit 101, the audio digital signals that is used for receiving is converted to the first radiofrequency signal Transmit-Receive Unit, 101 discernible signals, and is audio digital signals with the conversion of signals that the first radiofrequency signal Transmit-Receive Unit 101 transmits;
The first radiofrequency signal Transmit-Receive Unit 101 is used to carry out the mutual conversion of first control control unit 102 signal that can discern and the radiofrequency signal that will send.
Wherein, also comprise:
Handwriting input unit 106 is used to receive hand-written signal;
Signal format converting unit 107 is of coupled connections with handwriting input unit 106, and the hand-written signal that is used for receiving is converted to serial digital signal;
First control unit 102 is of coupled connections with signal format converting unit 107, and the serial digital signal that also is used for accepting converts the first radiofrequency signal Transmit-Receive Unit, 101 discernible signals to.
Wherein, handwriting input unit 106, the signal format converting unit 107 and first control unit 102 are of coupled connections.
Wherein, comprising: the described first radiofrequency signal Transmit-Receive Unit 101 adopts 2.4GHz radio frequency signal Transmit-Receive Unit.
The TV remote receiving system that the utility model provides comprises:
The second radiofrequency signal Transmit-Receive Unit 201, be used to receive the radiofrequency signal that the first radiofrequency signal Transmit-Receive Unit 101 of remote controller sends, and radiofrequency signal is converted to the conversion of signals that second control unit, 202 discernible signals maybe will receive from second control unit 202 is the first radiofrequency signal Transmit-Receive Unit 101 that radiofrequency signal sends to remote controller;
Second control unit 202, be of coupled connections with the second radiofrequency signal Transmit-Receive Unit 201, the discernible signal that is used for receiving is converted to digital data transmission and gives decoding unit 204, and the digital signal of the unit of self-demarking code in the future 204 is converted to the second radiofrequency signal Transmit-Receive Unit, 201 discernible signals;
Decoding unit 204 is of coupled connections with second control unit 202, is used for the digital signal that second control unit 202 transmits is decoded, and obtains decoded signal;
Network communication control unit 206 is of coupled connections with decoding unit 204, and network communication control unit 206 is connected with network, is used for changing mutually between network format signal and decoding unit 204 manageable signals.
Preferable, also comprise second Audio Processing Unit 203, be of coupled connections with the decoding unit 204 and second control unit 202, be used for the digital signal that decoding unit 204 and second control unit 202 transmit is converted to the analog signal that television set can be play.
Preferable, also comprise digital information processing unit 205, be of coupled connections with decoding unit 204, be used for the decoded signal that decoding unit 204 decodings obtain is optimized processing.
Wherein, also comprise literal indicative control unit 207, be used for decoded signal display text on television screen that 204 decodings obtain according to decoding unit.
Wherein, also comprise webpage rolling control unit 208, be used for 204 decodings obtain according to decoding unit the rolling of decoded signal control webpage or moving of cursor.
In addition, comprising: the described second radiofrequency signal Transmit-Receive Unit 201 adopts 2.4GHz radio frequency signal Transmit-Receive Unit.
As seen from the above, the remote controller that the utility model provides has speech voice input function, voice output function, and the user is communicated on network by voice, realizes the two-way communication of remote controller and television set.
The remote controller that the utility model provides has hand-write input function, and the user can be by the handwriting input Word message, and can import moving and the order of the rolling of webpage of control cursor.
The remote controller that the utility model provides adopts 2.4GHz radio frequency signal Transmit-Receive Unit, can realize at a distance TV being carried out remote control on a large scale.
The TV remote receiving system that the utility model provides can be implemented in display text on the television screen.
The TV remote receiving system that the utility model provides, webpage rolling or the cursor that can realize controlling on the video screen move.
Embodiment
Fig. 1 is the theory diagram of remote controller, as shown in the figure, remote controller comprises: control key-press input unit 108, voice-input unit 104, voice-output unit 105, first Audio Processing Unit 103, handwriting input unit 106, signal format converting unit 107, first control unit 102 and the first radiofrequency signal Transmit-Receive Unit 101, wherein
Control key-press input unit 108 is used to receive the control information of the button that the user presses, and for example common digital keys, volume, program are selected control button etc., and corresponding control information is transferred to first control unit 102.
Voice-input unit 104 is used to receive the voice signal that the user sends, and offers first Audio Processing Unit 103, and voice-input unit 104 can comprise Mike, receives the voice signal that the user sends by Mike.
The voice-output unit 105 that is of coupled connections with first Audio Processing Unit 103 is used to export the voice signal from first Audio Processing Unit 103.Voice-output unit 105 can comprise loud speaker, and described voice signal can be from the sound in the voice-over-net conversation, for example is by MSN, the sound of communication tools such as skype transmission.
First Audio Processing Unit 103 that is of coupled connections with voice-input unit 104 is used to carry out the mutual conversion of voice signal and audio digital signals, comprise: the voice signal (analog signal) that voice-input unit 104 is received is converted to audio digital signals and offers first control unit 102, and will be converted to voice signal from the audio digital signals of first control unit 102 and be transferred to voice-output unit 105.First Audio Processing Unit 103 can adopt chips W 681360.
Handwriting input unit 106 is used to receive hand-written signal, and transfers out.Described hand-written signal can be the command signal that is used for controlling cursor and rolling webpage on the mobile TV, also can be the Word message signal of input.Handwriting input unit 106 can comprise touch-screen.Be converted to corresponding signal by detecting user's finger moving on touch-screen, specifically,, convert the matrix signal output of X, Y form on the corresponding matrix circuit to by detecting user's finger moving on touch-screen.Handwriting input unit 106 can adopt chip TPS2046.
The conversion of signals that the signal format converting unit 107 that is of coupled connections with handwriting input unit 106 is used for 106 outputs of handwriting input unit is that serial digital signal offers first control unit 102.Signal format converting unit 107 is converted to serial digital signal by it Port Multiplier that comprises and signal converter with matrix signal.
First control unit 102 that is of coupled connections with signal format converting unit 107, first Audio Processing Unit 103 and the first radiofrequency signal Transmit-Receive Unit 101 is used for control information, audio digital signals and serial digital signal are converted to the signal that the first radiofrequency signal Transmit-Receive Unit 101 is discerned, for example digital usb signal, and the speech data that the first radiofrequency signal Transmit-Receive Unit 101 transmits is converted to first Audio Processing Unit, 103 discernible signals is transferred to first Audio Processing Unit 103.First control unit 102 can adopt chip CY7C64215.
The first radiofrequency signal Transmit-Receive Unit 101 is used to carry out the mutual conversion of first control control unit 102 signal that can discern and the radiofrequency signal that will send, comprise: will be radiofrequency signal and the TV remote receiving system that sends to television set from the conversion of signals of first control unit 102, or receive the signal that the TV remote receiving system of television set sends and convert first control unit, 102 manageable signals to.Specifically, the signal that transmits from first control unit 102 is undertaken sending after code stream conversion and the PCM modulation by the first radiofrequency signal Transmit-Receive Unit 101; And the first radiofrequency signal Transmit-Receive Unit 101 receives from the signal that is arranged on the TV remote receiving system in the TV and carries out obtaining the signal that first control unit 102 can receive identification after PCM modulation back and the code stream conversion.The first radiofrequency signal Transmit-Receive Unit 101 can adopt chip CYRF6936.
Fig. 2 is the theory diagram of TV remote receiving system, the TV remote receiving system comprises: the second radiofrequency signal Transmit-Receive Unit 201, second control unit 202, second Audio Processing Unit 203, decoding unit 204, digital information processing unit 205, literal indicative control unit 207, webpage rolling control unit 208 and network communication control unit 206 as shown in the figure; Wherein:
The second radiofrequency signal Transmit-Receive Unit 201 is used to receive radiofrequency signal that the first radiofrequency signal Transmit-Receive Unit 101 of remote controller sends and radiofrequency signal is converted to the signal that second control unit 202 can be discerned, and also is used to send radiofrequency signal to remote controller simultaneously.Specifically, the second radiofrequency signal Transmit-Receive Unit 201 carries out the PCM modulation with the signal that receives and code stream is converted to the signal that second control unit 202 can be discerned.Similar, the signal that the second radiofrequency signal Transmit-Receive Unit 201 transmits second control unit 202 as digital usb signal, carries out the code stream conversion and the PCM modulation conversion is a radiofrequency signal, sends then.
The discernible signal that second control unit 202 that is of coupled connections with the second radiofrequency signal Transmit-Receive Unit 201 is used for receiving is converted to digital data transmission and gives decoding unit 204, and in the future the digital signal of self-demarking code unit 204 is converted to the second radiofrequency signal Transmit-Receive Unit, 201 discernible signals and is transferred to the second radiofrequency signal Transmit-Receive Unit 201, and the conversion of signals of the unit of self-demarking code in the future 204 is that the second radiofrequency signal Transmit-Receive Unit, 201 discernible signals are transferred to the second radiofrequency signal Transmit-Receive Unit 201.
With second Audio Processing Unit (203) that the decoding unit 204 and second control unit 202 are of coupled connections, be used for the digital signal that decoding unit 204 and second control unit 202 transmit is converted to the analog signal that television set can be play.
The decoding unit 204 that is of coupled connections with second control unit 202 is used for the digital signal that second control unit 202 transmits is decoded, and obtains decoded signal.
The digital information processing unit 205 that is of coupled connections with decoding unit 204 is used for the decoded signal that decoding unit 204 obtains is handled, and wherein, can comprise optimization process, and described optimization process comprises image quality enhancing and voice-optimizing etc.Decoding unit 204 and digital information processing unit 205 can adopt chip DM6443.
Network communication control unit 206 is connected with network, is used between network format signal and decoding unit 204, digital information processing unit 205 manageable signals, changing mutually, and according to the break-make of control voice.Network communication control unit 206 can (Tx+ Tx-) be converted to the digital signal of decoding unit 204 and digital information processing unit 205 manageable normal binary forms for Rx+, Rx-with the network format signal.Same, network communication control unit 206 digital signal of decoding unit 204 and digital information processing unit 205 manageable normal binary forms can be converted to the network format signal (Rx+, Rx-, Tx+, Tx-).Network communication control unit 206 can adopt chip I P101.
Digital signal display text on television screen after literal indicative control unit 207 is handled according to digital information processing unit 205;
The rolling of Digital Signals webpage or moving of cursor after webpage rolling control unit 208 is handled according to digital information processing unit 205.
Above-mentioned first control unit 102 and second control unit, 202, the first Audio Processing Units 103 and second Audio Processing Unit, 203, the first radiofrequency signal Transmit-Receive Units 101 can adopt identical model with the second radiofrequency signal Transmit-Receive Unit 201.Wherein the first radiofrequency signal Transmit-Receive Unit 101 and the second radiofrequency signal Transmit-Receive Unit 201 can adopt 2.4GHz radio frequency signal Transmit-Receive Unit, to realize long distance, wide-field remote control.
Be example with literal below, principle of the present utility model is described in the handwriting input on remote controller of explicit user on the television screen.
Handwriting input unit 106 receives the literal " TV " that users write and is converted to corresponding matrix signal and transfers out, signal format converting unit 107 is used for the matrix signal of handwriting input unit 106 outputs is converted to serial digital signal, and offer first control unit 102, first control unit 102 is converted to the signal that the first radiofrequency signal Transmit-Receive Unit 101 discerned with the serial digital signal that receives and transfers out, and the first radiofrequency signal Transmit-Receive Unit 101 will be radiofrequency signal and the TV remote receiving system that sends to television set from the conversion of signals of first control unit 102.
The second radiofrequency signal Transmit-Receive Unit 201 of the TV remote receiving system of television set receives radiofrequency signal that the first radiofrequency signal Transmit-Receive Unit 101 of remote controllers sends and radiofrequency signal is converted to digital signal, digital signal after second control unit 202 is changed the second radiofrequency signal Transmit-Receive Unit 201 identifies director data and is transferred to decoding unit 204, decoding unit 204 is used for the signal that second Audio Processing Unit 203 transmits is decoded, obtain decoded signal, digital information processing unit 205 is used for the decoded signal that decoding unit 204 obtains is optimized processing, the digital signal display text " TV " on television screen after literal indicative control unit 207 is handled according to digital information processing unit 205.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.For example, the 106 integrated LCD display units in the handwriting input unit so not only can writing words on the LCD of remote controller screen but also can watch video.Handwriting input unit 106 also can input order signal, such as volume control, switching on and shutting down order etc.Also can be by the sound of the loudspeaker plays TV programme on the remote controller.