CN102710957A

CN102710957A - Control method for stereoscopic vision system

Info

Publication number: CN102710957A
Application number: CN2012101875459A
Authority: CN
Inventors: 夏德虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-08
Filing date: 2012-06-08
Publication date: 2012-10-03

Abstract

The invention discloses a control method for a stereoscopic vision system. The stereoscopic vision system comprises a host and stereoscopic glasses. The stereoscopic glasses comprise a glasses frame, liquid crystal glasses lenses, an audio output device and a starting control device. The starting control device comprises a central control module. The central control module comprises a video control module and an audio control module. A first knob is arranged outside a left glasses leg, is connected to a liquid crystal display (LCD) time sequence regulation module in the video control module, and is used for a user to manually regulate the amplitude of time sequence waveforms received by the LCD time sequence regulation module. A second knob is arranged outside a right glasses leg, is connected to an audio regulation module of the audio control module, and is used for the user to manually regulate the amplitude of a second audio synchronization signal received by the audio regulation module. In such a way, the light transmittance of the liquid crystal glasses lenses and the audio output of the audio output device can be directly and manually regulated.

Description

A kind of control method of stereo visual system

Technical field

The present invention relates to a kind of control method of stereo visual system, particularly comprise a kind of simple in structure can the manual adjustments light transmittance and the control method of the stereo visual system of the band audiovisual function of audio frequency output.

Background technology

The anaglyph spectacles of the band audiovisual function in the common stereo visual system generally all is that the video with the perception of right and left eyes liquid crystal lens institute carries out high speed and switches; So that for the user presents relief video; Export for the user provides with the audio frequency of audio video synchronization through audio output device simultaneously, satisfy the relief audiovisual demand of user.But also there is following shortcoming in this traditional anaglyph spectacles: this traditional anaglyph spectacles is the video of switching right and left eye perception fast, also promptly realizes the function of opening and closing; Thereby the generation third dimension, but and reckon without between user and the stereoscopic TV because the distance of distance and the visual impact that produces; If also be that the user is closer apart from stereoscopic TV, then tend to because light is too strong, and feel dazzling; Viewing time is long more, and vision is got over easy fatigue, and is unfavorable to health; Therefore, if the lightness of adjusting anaglyph spectacles that can be manual (also being the light transmittance of liquid crystal lens) then will greatly make things convenient for user's demand in the use.Therefore need a kind of stereo visual system and control method that comprise the anaglyph spectacles of band audiovisual function that can the manual adjustments light transmittance.

In addition; The various anaglyph spectacleses that can realize video and audio sync output that occur at present at audio output, are just simply realized the output of audio frequency through audio output devices such as earphones; Lack corresponding audio control apparatus (the for example adjusting of audio frequency size, the switch of audio signal etc.); If this moment, also there be (for example in family or the cinema) in the sound of stereoscopic TV, the user distance stereoscopic TV is also far away, then may be asynchronous with the sound of stereoscopic TV owing to the sound of audio output devices such as earphone, perhaps watch environment (for example in family or the cinema) to exist echo that reverberation takes place; Influence user's tonequality demand; Therefore, if manual control audio output device (also promptly regulating the switch of audio frequency size, control audio) then will greatly make things convenient for user's demand in the use.Therefore also need a kind of manually stereo visual system and control method of the anaglyph spectacles of the band audiovisual function of control audio output of comprising.

Summary of the invention

Main purpose of the present invention provides a kind of stereo visual system and control method that comprises anaglyph spectacles that can the manual adjustments light transmittance.

Another object of the present invention provides a kind of manually stereo visual system and control method of the anaglyph spectacles of control audio output of comprising.

In order to achieve the above object; The present invention proposes a kind of control method of stereo visual system; Comprise main frame and anaglyph spectacles; Said main frame comprises the infrared transmitter that is used for through the infrared synchronous video signal and is used for the ANTENNAUDIO reflector through wireless transmit isochronous audio signal; Said anaglyph spectacles comprises spectacle frame, liquid crystal glasses sheet, audio output device and start-up control device; The middle nose holder that said spectacle frame comprises left eye picture frame, right eye picture frame, left leg of spectacles, right leg of spectacles and connects said left eye picture frame and right eye picture frame, said start-up control device comprises signal receiving module, power management module and central control module, said liquid crystal glasses sheet is electrically connected said start-up control device; Said signal receiving module, power management module and central control module are positioned on the same circuit board and are arranged on the depressed part of said left leg of spectacles, and said depressed part is provided with the capping portion of its opening of sealing;

Wherein, said signal receiving module is used to receive synchronization video and audio signal and is decoded as first video synchronization signal and first audio synchronous signal; Said power management module is used to the state that power supply is provided and monitors power supply, when power source voltage is lower than first threshold, reminds the user that said power supply is charged;

Said central control module comprises video control module and audio frequency control module, and said video control module comprises that video processing module, parameter recognition and memory module, digital phase-locked loop frequency take place and phase control module, LCD sequential generating module, LCD sequential adjusting module and LCD driver module; Wherein, said video processing module is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Said parameter recognition and memory module are used for said second video synchronization signal is measured its frequency of acquisition and phase value and preservation, so that when lossing signal, press the frequency of preservation and the asynchronous operation of phase value active; Said digital phase-locked loop frequency takes place to be used for frequency and phase value of preserving according to said parameter recognition and memory module and the time-delay characteristics that combine LCD with the phase control module; Initiatively go out the frequency and the consistent waveform control signal of phase place of the said synchronous video signal that receives with said signal receiving module; And send said waveform control signal to said LCD sequential generating module; Said LCD sequential generating module receives after the said waveform control signal; Time and voltage characteristic according to shutter LCD produce suitable timing waveform, send said LCD sequential adjusting module to; Said LCD sequential adjusting module carries out size adjustment to the amplitude of said timing waveform and obtains the 3rd video synchronization signal; Said LCD driver module is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal; Said audio frequency control module comprises audio processing modules, audio frequency adjusting module and COBBAIF module; Said audio processing modules is used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal; Said audio frequency adjusting module is used for that the amplitude of said second audio synchronous signal is carried out size adjustment and obtains the 3rd audio synchronous signal; Said COBBAIF module is used for producing the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device;

Said liquid crystal glasses sheet comprises the binding post that is connected to said LCD driver module; Said binding post passes near the left eye picture frame of said left leg of spectacles and right eye picture frame and extends in the depressed part of said left leg of spectacles; The outside of said left leg of spectacles comprises first knob that is connected to said LCD sequential adjusting module, and said first knob supplies the user manually the amplitude of said timing waveform to be carried out size adjustment; The outside of said right leg of spectacles comprises second knob that is connected to said audio frequency adjusting module and the receiver J-Horner that is connected to said COBBAIF module, and said second knob supplies the user manually the amplitude of said second audio synchronous signal to be carried out size adjustment;

Step S100 adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal; Adopt the ANTENNAUDIO reflector in the main frame to pass through wireless transmit isochronous audio signal;

Step S101; Adopt said signal receiving module reception synchronous video signal and isochronous audio signal and be decoded as first video synchronization signal and first audio synchronous signal respectively; Specifically comprise: adopt infrared remote receiver to receive synchronous video signal; Adopt the ANTENNAUDIO receiver to receive the isochronous audio signal, adopt decoding signals that said synchronous video signal and isochronous audio signal are decoded as first video synchronization signal and first audio synchronous signal respectively;

Step S102; Adopt said power management module that power supply is provided and monitor the state of power supply;, power source voltage remind the user that said power supply is charged when being lower than first threshold; Specifically comprise: when low photodetector monitors power source voltage when being lower than first threshold, the LED light of the outer surface through being arranged on said left leg of spectacles reminds the user through charging socket and charging circuit said power supply to be charged;

Step S103 adopts said video processing module that said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal;

Step S104 adopts said parameter recognition and memory module that said second video synchronization signal is measured and obtains its frequency and phase value and preservation, so that when lossing signal, press the frequency and the phase value asynchronous operation initiatively of preserving;

Step S105; Adopt said digital phase-locked loop frequency take place with the phase control module according to frequency and the phase value preserved in said parameter recognition and the memory module and the time-delay characteristics that combine LCD; Initiatively go out frequency and the consistent waveform control signal of phase place that is transferred to the synchronous video signal of anaglyph spectacles with the main frame Radio infrared, and send said waveform control signal to said LCD sequential generating module;

Step S106, said LCD sequential generating module receives after the said waveform control signal, produces suitable timing waveform according to time and the voltage characteristic of shutter LCD, sends said LCD sequential adjusting module to;

Step S107 adopts said LCD sequential adjusting module that the amplitude of said timing waveform is carried out size adjustment and obtains the 3rd video synchronization signal; Specifically comprise: adopt LCD sequential adjusting module that the amplitude of said timing waveform is carried out size adjustment and obtain the 3rd video synchronization signal; Wherein adopt said first knob to supply the user according to coming the voltage magnitude of the said timing waveform of manual adjustments with the distance of main frame; Regulate said first knob during close together and make the voltage magnitude of said timing waveform reduce, regulate said first knob when distance is far away and make the voltage magnitude of said timing waveform increase; Voltage magnitude through to said timing waveform carries out size adjustment, and final the change is applied to the voltage magnitude on the liquid crystal glasses sheet, thereby regulates the light transmittance of said liquid crystal glasses sheet;

Step S108 adopts said LCD drive circuit to produce the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal.

Step S109 adopts said audio processing modules to be used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal;

Step S110 adopts said audio frequency adjusting module that the amplitude of said second audio synchronous signal is carried out size adjustment and obtains the 3rd audio synchronous signal; The amplitude that wherein adopts said second knob to supply the user to come said second audio synchronous signal of manual adjustments according to the volume of said audio output device; Regulate said second knob when volume is big and make the amplitude of said second audio synchronous signal reduce, volume hour said second knob 92 of adjusting makes the amplitude of said second audio synchronous signal increase;

Step S111 adopts said COBBAIF module to produce the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device.

Compared with prior art; The present invention has the following advantages: supply the direct basis of user and the distance of main frame (stereoscopic TV) to come the voltage magnitude of the said timing waveform of manual adjustments through first knob, the voltage magnitude of timing waveform is determining the light transmittance of liquid crystal glasses sheet at this moment, and this manual adjustments is free to change the light transmittance of liquid crystal glasses sheet; Make things convenient for the user according to the adjusting of carrying out lightness apart from the distance of main frame; This regulative mode is more direct, and is more convenient, more forces; Better effects if can not receive the influence of extraneous factor (the for example factors such as light power of user position).

Description of drawings

For clearer explanation technical scheme of the present invention; The accompanying drawing of required use is done simple the introduction in will describing embodiment below; Conspicuous, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of the stereo visual system of the embodiment of the invention one;

Fig. 2 is the backsight structural representation of the anaglyph spectacles of the embodiment of the invention one;

Fig. 3 is the forward sight structural representation of the anaglyph spectacles of the embodiment of the invention one;

Fig. 4 is the high-level schematic functional block diagram of the start-up control device of the embodiment of the invention one;

Fig. 5 is the board structure of circuit sketch map of the start-up control device of the embodiment of the invention one;

Fig. 6 is the Signal Regulation sketch map of first knob when close together of the embodiment of the invention one;

Fig. 7 is the Signal Regulation sketch map of first knob when distance is far away of the embodiment of the invention one;

Fig. 8 is the structural representation of another stereo visual system of the embodiment of the invention three;

Fig. 9 is the backsight structural representation of anaglyph spectacles of the another stereo visual system of the embodiment of the invention five;

Figure 10 is the forward sight structural representation of Fig. 9 of the present invention.

Embodiment

To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, complete description; Obvious described embodiment only is a part of embodiment of the present invention, is not whole embodiment, based on the embodiment among the present invention; Those of ordinary skills are not paying the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.

Embodiment 1

Shown in Fig. 1-4, the embodiment of the invention one provides a kind of stereo visual system.This stereo visual system; Comprise main frame and anaglyph spectacles; Said main frame comprises the infrared transmitter 100 that is used for through the infrared synchronous video signal and is used for the ANTENNAUDIO reflector 101 through wireless transmit isochronous audio signal; Said anaglyph spectacles comprises spectacle frame 1, liquid crystal glasses sheet 2, audio output device 9 and start-up control device 3; The middle nose holder 15 that said spectacle frame 1 comprises left eye picture frame 11, right eye picture frame 12, left leg of spectacles 13, right leg of spectacles 14 and connects said left eye picture frame 11 and right eye picture frame 12; Said start-up control device 3 comprises signal receiving module 4, power management module 5 and central control module 6, and said liquid crystal glasses sheet 2 is electrically connected said start-up control device 3; Said signal receiving module 3, power management module 4 and central control module 5 are positioned on the same circuit board and are arranged on the depressed part 130 of said left leg of spectacles 13, and said depressed part 130 is provided with the capping portion 131 of its opening of sealing;

Said start-up control device 3 comprises signal receiving module 4, power management module 5 and central control module 6, and said liquid crystal glasses sheet 2 is electrically connected said start-up control device 3; Said signal receiving module 4, power management module 5 and central control module 6 are positioned on the same circuit board and are arranged on the depressed part 130 of said left leg of spectacles 13; Wherein, said signal receiving module 4 is used to receive synchronization video and audio signal and is decoded as first video synchronization signal and first audio synchronous signal; Said power management module 5 is used to the state that power supply is provided and monitors power supply, when power source voltage is lower than first threshold, reminds the user that said power supply is charged.

Said signal receiving module 4, power management module 5 and central control module 6 are positioned on the same circuit board 18; For example power supply 51 can be located at the two sides of circuit board 18 with other circuit structure branch; Can reduce the area of circuit board so to greatest extent; Therefore through extending multilayer circuit board at thickness direction; The thickness that suitably increases circuit board is saved the space, and in this way, said signal receiving module 4, power management module 5 and central control module 6 are positioned on the same circuit board and are arranged on the depressed part 130 of said left leg of spectacles 13 (near left eye picture frame 11); Can be so that the structure of anaglyph spectacles more integrated (as shown in Figure 5), structure is simpler.

Said central control module 6 comprises video control module 7 and audio frequency control module 8; Said video control module 7 comprises that video processing module 74, parameter recognition and memory module 75, digital phase-locked loop frequency take place and phase control module 76, LCD sequential generating module 77, LCD sequential adjusting module 78 and LCD driver module 79; Wherein, said video processing module is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Said parameter recognition and memory module are used for said second video synchronization signal is measured its frequency of acquisition and phase value and preservation, so that when lossing signal, press the frequency of preservation and the asynchronous operation of phase value active; Said digital phase-locked loop frequency takes place to be used for frequency and phase value of preserving according to said parameter recognition and memory module and the time-delay characteristics that combine LCD with the phase control module; Initiatively go out the frequency and the consistent waveform control signal of phase place of the said synchronous video signal that receives with said signal receiving module; And send said waveform control signal to said LCD sequential generating module; Said LCD sequential generating module receives after the said waveform control signal; Time and voltage characteristic according to shutter LCD produce suitable timing waveform, send said LCD sequential adjusting module to; Said LCD sequential adjusting module carries out size adjustment to the amplitude of said timing waveform and obtains the 3rd video synchronization signal; Said LCD driver module is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal.

Said audio frequency control module 8 comprises audio processing modules 81, audio frequency adjusting module 82 and COBBAIF module 83; Said audio processing modules 81 is used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal; Said audio frequency adjusting module 82 is used for that the amplitude of said second audio synchronous signal is carried out size adjustment and obtains the 3rd audio synchronous signal; Said COBBAIF module 83 is used for producing the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device 9.

In this way; Video control module 7 in the central control module 6 can realize respectively functions such as the amplification of first video synchronization signal of input, filtering, amplitude adjustings; And be translated into the audio video synchronization drive signal and export to liquid crystal glasses sheet 2; It is is alternately opened and closed, with the realization stereoscopic visual effect, and the manual adjustments of video.And the audio frequency control module 8 in the central control module 6 can realize the functions such as amplification, filtering, amplitude adjusting to first audio synchronous signal of input respectively; And be translated into the audio sync drive signal and export to audio output device 9, thereby realize the manual adjustments of audio frequency.

Said liquid crystal glasses sheet 2 comprises the binding post 21 that is connected to said video driving module 73; Said binding post 21 passes the depressed part 130 that extends to said left leg of spectacles 13 near left eye picture frame of said left leg of spectacles 13 11 and right eye picture frame 12; The outside of said left leg of spectacles 13 comprises first knob 22 that is connected to said video adjusting module 72, and said first knob 22 supplies the user manually the amplitude of said second video synchronization signal to be carried out size adjustment; The outside of said right leg of spectacles 14 comprises second knob 92 and the receiver J-Horner 93 that is connected to said COBBAIF module 83 that is connected to said audio frequency adjusting module 82; Said second knob 92 supplies the user manually the amplitude of said second audio synchronous signal to be carried out size adjustment (when the sound of audio frequency is excessive or too small; Can reduce or increase volume through second knob; Thereby make volume remain on the reasonable levels; Make things convenient for the user to watch and listen to); Said receiver J-Horner 93 supplies the manually said audio output device 9 of plug (when occurring under the nonsynchronous situation of reverberation or sound, can extract earphone and adopt the outer sound of stereoscopic TV to watch three-dimensional video-frequency) of user.

Said signal receiving module 4 comprises infrared remote receiver 41, ANTENNAUDIO receiver 42 and demodulator of PM signal PM 43; Said infrared remote receiver 41 is used to receive the synchronous video signal (image of TV, vision signal) that stereoscopic TV Radio infrared for example is transferred to anaglyph spectacles, said infrared remote receiver 41 can be arranged on said in the middle of the outer surface of nose holder 15; Said ANTENNAUDIO receiver 42 (for example FM receiver) is used to receive the isochronous audio signal (audio signal of television field frame that stereoscopic TV for example is wirelessly transmitted to anaglyph spectacles; For example with the 2.4GHz wireless transmit), said decoding signals 43 is decoded as first video synchronization signal and first audio synchronous signal respectively with said synchronous video signal and isochronous audio signal.

Said power management module 5 comprises power supply 51 (for example rechargeable battery), charging circuit 52 and low photodetector 53; The outer surface of said left leg of spectacles 13 is provided with charging socket 54; When being lower than first threshold, the voltage that monitors power supply 51 when low photodetector 53 (for example both are compared through central control module 6; Thereby produce control signal according to comparative result); The LED light 23 of the outer surface through being arranged on said left leg of spectacles 13 reminds users through charging socket 54 charge with 52 pairs of said power supplys 51 of charging circuit (for example central control module 6 sends control signal corresponding, 23 flickers or luminous of driving LED indicator light).

Said start-up control device 3 also comprises control switch 24; This control switch 24 is arranged between said power management module 5 and the central control module 6; Be used for when not using anaglyph spectacles; Thereby the powered-down part is saved electric energy and is protected other circuit part, and this control switch 24 can be arranged on the outer surface of said left leg of spectacles 13.

Said video processing module 74 is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Here; Because first video synchronization signal is usually sneaked into noise, signal in the process of transmission and demodulation also fainter; Therefore can eliminate these unfavorable factors through the means of amplifying (for example integrated amplifier chip) and filtering (for example integrated filter chip), vision signal further handled thereby convenience is follow-up.

75 pairs of said second video synchronization signals of said parameter recognition and memory module are measured and are obtained its frequency and phase value and preservation, so that when lossing signal, press the frequency and the phase value asynchronous operation initiatively of preserving;

Said digital phase-locked loop frequency take place with phase control module 76 according to the frequency and the phase value of preservation in said parameter recognition and the memory module 75 and combine the time-delay characteristics of LCD; Initiatively go out frequency and the consistent waveform control signal of phase place that is transferred to the synchronous video signal of anaglyph spectacles with the stereoscopic TV Radio infrared, and send said waveform control signal to said LCD sequential generating module 77;

Said LCD sequential generating module 77 receives after the said waveform control signal, produces suitable timing waveform according to time and the voltage characteristic of shutter LCD, sends said LCD sequential adjusting module to;

The amplitude of 78 pairs of said timing waveforms of said LCD sequential adjusting module is carried out size adjustment and is obtained the 3rd video synchronization signal; Here; The function of said LCD sequential adjusting module 78 is exactly to realize the function of light transmittance that can the manual adjustments anaglyph spectacles; Its adjustment process realizes through first knob 22, and also promptly for example said first knob 22 supplies users according to coming the voltage magnitude of the said timing waveform of manual adjustments with the distance of stereoscopic TV, and (light is stronger) regulated said first knob and made the voltage magnitude of said timing waveform reduce that (light transmittance reduces during close together; As shown in Figure 6); (light is weak) regulated said first knob and makes the voltage magnitude of said timing waveform increase (light transmittance increases, and is as shown in Figure 7, V2>V1) when distance was far away.Its principle is; Thereby the voltage magnitude of timing waveform is carried out size adjustment through manual adjustments first knob; (technology of this regulation voltage amplitude can adopt the circuit structure of adjustable resistance for example or variable gain amplifier to realize, changes the resistance or the amplifier's gain of adjustable resistance through first knob, as long as can realize the size adjustment of voltage magnitude can to change the voltage magnitude that is applied on the liquid crystal glasses sheet; Concrete circuit structure can be not limited to this); And this is applied to the light transmittance that voltage magnitude on the liquid crystal glasses sheet is determining the liquid crystal glasses sheet, and the light transmittance of liquid crystal glasses sheet is not minimum when promptly for example not applying voltage yet, along with the increase that it is applied voltage; The orientation of its inner liquid crystal molecule changes; The light transmittance of liquid crystal glasses sheet also increases (the relation that applies voltage and light transmittance here also can be a non-linear relation or partial linear relation, as long as can change light transmittance through applying voltage) thereupon gradually, thus through first knob can the said timing waveform of manual adjustments voltage magnitude; And then the light transmittance of change liquid crystal glasses sheet; Thereby the final light intensity that enters into eyes from anaglyph spectacles of regulating prevents to cause user's dazzling sensation, also is not easy fatigue when viewing time is longer.

Said LCD drive circuit 79 is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal; And control alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal; Here; Because the synchronous video signal (image of TV, vision signal) that audio video synchronization drive signal and stereoscopic TV send is consistent on frequency and phase place, therefore this audio video synchronization drive signal is sent to liquid crystal glasses sheet (comprising left LCD eyeglass 25 and right LCD eyeglass 26), can switch (when also promptly for example left LCD eyeglass opens or closes by video at a high speed the perception of left and right sides liquid crystal glasses sheet institute; Right LCD eyeglass closes or opens; Utilize the persistence of vision mechanism of human eye, realize three-dimensional stereoscopic visual effect) so that present relief video for the user.

Owing to adopted the structure of parameter recognition and memory module 75, digital phase-locked loop frequency generation and phase control module 76 and LCD sequential generating module 77; Can realize measurement and storage to the frequency of said second video synchronization signal and phase place (frequency and the phase place of synchronous video signal that is transferred to anaglyph spectacles with the stereoscopic TV Radio infrared is consistent); In this way can be so that when the problem of lossing signal appears in anaglyph spectacles once in a while; Can be according to frequency of preserving and phase value asynchronous operation initiatively; Thereby make the work operation that anaglyph spectacles is stable, guarantee its function-stable, more reliable.

Said audio processing modules 81 is used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal; Here; Because first audio synchronous signal is usually sneaked into noise, signal in the process of transmission and demodulation also fainter; Therefore can eliminate these unfavorable factors through the means of amplifying (for example integrated amplifier chip) and filtering (for example integrated filter chip), audio signal further handled thereby convenience is follow-up.

Said audio frequency adjusting module 82 is used for that the amplitude of said second audio synchronous signal is carried out size adjustment and obtains the 3rd audio synchronous signal; Here; The function of said audio frequency adjusting module is exactly to realize the function of audio frequency output that can the manual adjustments anaglyph spectacles; Its adjustment process realizes through second knob 92; The amplitude that also promptly for example said second knob 92 supplies the user to come said second audio synchronous signal of manual adjustments according to the volume of said audio output device; Regulate said second knob 92 when volume is big and make the amplitude of said second audio synchronous signal reduce, volume hour is regulated said second knob 92 makes the amplitude of said second audio synchronous signal increase that (technology of this adjusting audio signal amplitude can adopt the circuit structure of adjustable resistance for example or variable gain amplifier to realize, changes the resistance or the amplifier's gain of adjustable resistance through second knob 92; As long as can realize the size adjustment of audio signal amplitude; Its amplitude is often determining the size of volume, and concrete circuit structure can be not limited to this), in addition; Second knob 92 can also have the function of switch simultaneously concurrently; When needs are opened or closed audio frequency, directly second knob 92 is rotated to any end and get final product (similar with the knob structure that volume combines) like this, ought occur under reverberation or the nonsynchronous situation of sound at this moment with the wireless switch in the daily life; Can directly close audio frequency output and adopt the outer sound of stereoscopic TV to watch three-dimensional video-frequency to get final product, thereby avoid influencing user's tonequality demand.

Said COBBAIF module 83 is used for producing the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device, here; Audio output device 9 can adopt loud speaker or earphone, if adopt loud speaker, then audio sync drive signal direct (perhaps behind the power amplifier in the COBBAIF module) is exported to loud speaker; It is sounded; If the employing earphone then can for example be provided with the receiver J-Horner (for example earpieces socket) that is connected to said COBBAIF module on the said right eye picture frame, said receiver J-Horner supplies the manually said earphone of plug of user; When occurring under the nonsynchronous situation of reverberation or sound; Can directly extract earphone and adopt the outer sound of stereoscopic TV to watch three-dimensional video-frequency, thereby guarantee user's tonequality demand, in addition; Adopt the version of earphone also to be convenient for changing high-quality stereophone; Compared to loud speaker, its acoustical quality is better, also meets the use habit of ordinary consumer.

Embodiment 2

The embodiment of the invention two provides the control method of embodiment one neutral body glasses.Adopt as after the anaglyph spectacles among the embodiment one, can adopt following control method to come said anaglyph spectacles is operated.

Step S100 adopts the infrared transmitter 100 in the main frame to pass through the infrared synchronous video signal; Adopt the ANTENNAUDIO reflector 101 in the main frame to pass through wireless transmit isochronous audio signal; Wherein, Infrared transmitter 100 in the employing main frame specifically can comprise through the step of infrared synchronous video signal: said main frame comprises photoelectrical coupler, microprocessor and infrared transmitter; The synchronizing signal of the three-dimensional playback equipment output that said photoelectrical coupler will be imported converts the correspondent voltage signal to, is input to the test side of microprocessor; Said microprocessor carries out coded modulation by certain format and becomes synchronous video signal according to the voltage signal of photoelectrical coupler input, exports infrared transmitter then to; Said infrared transmitter is gone out said synchronous video signal through infrared;

Step S101; Adopt said signal receiving module 4 to receive synchronous video signal and isochronous audio signal and be decoded as first video synchronization signal and first audio synchronous signal respectively; Specifically comprise: adopt infrared remote receiver 41 to receive synchronous video signal; Adopt ANTENNAUDIO receiver 42 to receive the isochronous audio signal, adopt decoding signals 43 that said synchronous video signal and isochronous audio signal are decoded as first video synchronization signal and first audio synchronous signal respectively;

Step S102; Adopt said power management module 5 that power supply 51 is provided and monitor the state of power supply 51;, remind the voltage of power supply 51 user that said power supply is charged when being lower than first threshold; Specifically comprise: when the voltage that monitors power supply 51 when low photodetector 53 was lower than first threshold, the LED light 23 of the outer surface through being arranged on said left leg of spectacles 13 reminded users to charge with 52 pairs of said power supplys 51 of charging circuit through charging socket 54;

Step S103 adopts 74 pairs of said first video synchronization signals of said video processing module to comprise that the processing of amplification and filtering obtains second video synchronization signal;

Step S104 adopts 75 pairs of said second video synchronization signals of said parameter recognition and memory module to measure and obtains its frequency and phase value and preservation, so that when lossing signal, press the frequency and the phase value asynchronous operation initiatively of preserving;

Step S105; Adopt said digital phase-locked loop frequency take place with phase control module 76 according to the frequency and the phase value of preservation in said parameter recognition and the memory module 75 and combine the time-delay characteristics of LCD; Initiatively go out frequency and the consistent waveform control signal of phase place that is transferred to the synchronous video signal of anaglyph spectacles with the main frame Radio infrared, and send said waveform control signal to said LCD sequential generating module 77;

Step S106, said LCD sequential generating module 77 receives after the said waveform control signal, produces suitable timing waveform according to time and the voltage characteristic of shutter LCD, sends said LCD sequential adjusting module to;

Step S107 adopts the amplitude of 78 pairs of said timing waveforms of said LCD sequential adjusting module to carry out size adjustment and obtains the 3rd video synchronization signal; Specifically comprise: the amplitude of 78 pairs of said timing waveforms of employing LCD sequential adjusting module is carried out size adjustment and is obtained the 3rd video synchronization signal; Wherein adopt said first knob 22 to supply users according to coming the voltage magnitude of the said timing waveform of manual adjustments with the distance of main frame; Regulate said first knob 22 during close together and make the voltage magnitude of said timing waveform reduce, regulate said first knob when distance is far away and make the voltage magnitude of said timing waveform increase; Voltage magnitude through to said timing waveform carries out size adjustment, and final the change is applied to the voltage magnitude on the liquid crystal glasses sheet, thereby regulates the light transmittance of said liquid crystal glasses sheet;

Step S108 adopts said LCD drive circuit 79 to produce the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal;

Step S109 adopts said audio processing modules 81 to be used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal;

Step S110 adopts the amplitude of 82 pairs of said second audio synchronous signals of said audio frequency adjusting module to carry out size adjustment and obtains the 3rd audio synchronous signal; The amplitude that wherein adopts said second knob 92 to supply the user to come said second audio synchronous signal of manual adjustments according to the volume of said audio output device; Regulate said second knob 92 when volume is big and make the amplitude of said second audio synchronous signal reduce, volume hour said second knob 92 of adjusting makes the amplitude of said second audio synchronous signal increase;

Step S111 adopts said COBBAIF module 83 to produce the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device 9.

Embodiment 3

As shown in Figure 8, the embodiment of the invention three provides another kind of anaglyph spectacles.Be that with the different of embodiment one structure of video control module is different, can mutual alternative use.

Video control module 7 described in the embodiment three comprises video processing module 71, video adjusting module 72 and video driving module 73; Wherein said video processing module 71 is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Said video adjusting module 72 is used for that the amplitude of said second video synchronization signal is carried out size adjustment and obtains the 3rd video synchronization signal; Said video driving module 73 is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet 2 by said audio video synchronization drive signal;

Also be; During the technical scheme of embodiment three is; Said video control module comprises video processing module, video adjusting module and video driving module; Wherein said video processing module is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Said video adjusting module is used for that the amplitude of said second video synchronization signal is carried out size adjustment and obtains the 3rd video synchronization signal, and said video driving module is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal.

Said video processing module 71 is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Here; Because first video synchronization signal is usually sneaked into noise, signal in the process of transmission and demodulation also fainter; Therefore can eliminate these unfavorable factors through the means of amplifying (for example integrated amplifier chip) and filtering (for example integrated filter chip), vision signal further handled thereby convenience is follow-up.

Said video adjusting module 72 is used for that the amplitude of said second video synchronization signal is carried out size adjustment and obtains the 3rd video synchronization signal; Here; The function of said video adjusting module is exactly to realize the function of light transmittance that can the manual adjustments anaglyph spectacles; Its adjustment process realizes through first knob 22, and also promptly for example said first knob 22 supplies users according to coming the voltage magnitude of said second video synchronization signal of manual adjustments with the distance of stereoscopic TV, and (light is stronger) regulated said first knob 22 and made the voltage magnitude of said second video synchronization signal reduce that (light transmittance reduces during close together; As shown in Figure 6); (light is weak) regulated said first knob 22 and makes the voltage magnitude of said second video synchronization signal increase (light transmittance increases, and is as shown in Figure 7, V2>V1) when distance was far away.Its principle is; Thereby through manual adjustments first knob 22 voltage magnitude of second video synchronization signal is carried out size adjustment, (technology of this regulation voltage amplitude can adopt the circuit structure of adjustable resistance for example or variable gain amplifier to realize, changes the resistance or the amplifier's gain of adjustable resistance through first knob can to change the voltage magnitude that is applied on the liquid crystal glasses sheet 2; As long as can realize the size adjustment of voltage magnitude; Concrete circuit structure can be not limited to this), and this is applied to the light transmittance that voltage magnitude on the liquid crystal glasses sheet 2 is determining liquid crystal glasses sheet 2, the light transmittance of liquid crystal glasses sheet is not minimum when promptly for example not applying voltage yet; Along with the increase that it is applied voltage; The orientation of its inner liquid crystal molecule changes, and the light transmittance of liquid crystal glasses sheet also increases thereupon gradually, therefore through first knob 22 can said second video synchronization signal of manual adjustments voltage magnitude; And then the light transmittance of change liquid crystal glasses sheet 2; Thereby the final light intensity that enters into eyes from anaglyph spectacles of regulating prevents to cause user's dazzling sensation, also is not easy fatigue when viewing time is longer.

Said video driving module 73 is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal; And control alternately open and close of said liquid crystal glasses sheet 2 by said audio video synchronization drive signal; Here; Because the synchronous video signal (image of TV, vision signal) that audio video synchronization drive signal and stereoscopic TV send is consistent on frequency and phase place, therefore this audio video synchronization drive signal is sent to liquid crystal glasses sheet 2 (comprising left LCD eyeglass 25 and right LCD eyeglass 26), can switch (when also promptly for example left LCD eyeglass 25 opens or closes by video at a high speed the perception of left and right sides liquid crystal glasses sheet institute; Right LCD eyeglass 26 closes or opens; Utilize the persistence of vision mechanism of human eye, realize three-dimensional stereoscopic visual effect) so that present relief video for the user.

Embodiment 4

The embodiment of the invention four provides the control method of embodiment three neutral body glasses.

Adopt as after the anaglyph spectacles among the embodiment three, can adopt following control method to come said anaglyph spectacles is operated.

Step S100 adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal; Adopt the ANTENNAUDIO reflector in the main frame to pass through wireless transmit isochronous audio signal; Wherein, Infrared transmitter in the employing main frame specifically can comprise through the step of infrared synchronous video signal: said main frame comprises photoelectrical coupler, microprocessor and infrared transmitter; The synchronizing signal of the three-dimensional playback equipment output that said photoelectrical coupler will be imported converts the correspondent voltage signal to, is input to the test side of microprocessor; Said microprocessor carries out coded modulation by certain format and becomes synchronous video signal according to the voltage signal of photoelectrical coupler input, exports infrared transmitter then to; Said infrared transmitter is gone out said synchronous video signal through infrared;

Step S103 adopts 71 pairs of said first video synchronization signals of said video processing module to comprise that the processing of amplification and filtering obtains second video synchronization signal;

Step S104 adopts the amplitude of 72 pairs of said second video synchronization signals of said video adjusting module to carry out size adjustment and obtains the 3rd video synchronization signal; Wherein adopt said first knob 22 to supply users according to coming the voltage magnitude of said second video synchronization signal of manual adjustments with the distance of stereoscopic TV; Regulate said first knob 22 during close together and make the voltage magnitude of said second video synchronization signal reduce, regulate said first knob when distance is far away and make the voltage magnitude of said second video synchronization signal increase; Voltage magnitude through to said second video synchronization signal carries out size adjustment, and final the change is applied to the voltage magnitude on the liquid crystal glasses sheet, thereby regulates the light transmittance of said liquid crystal glasses sheet;

Step S105 adopts said video driving module 73 to produce the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet 2 by said audio video synchronization drive signal;

Step S106 adopts said audio processing modules 81 to be used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal;

Step S107 adopts the amplitude of 82 pairs of said second audio synchronous signals of said audio frequency adjusting module to carry out size adjustment and obtains the 3rd audio synchronous signal; The amplitude that wherein adopts said second knob 92 to supply the user to come said second audio synchronous signal of manual adjustments according to the volume of said audio output device; Regulate said second knob 92 when volume is big and make the amplitude of said second audio synchronous signal reduce, volume hour said second knob 92 of adjusting makes the amplitude of said second audio synchronous signal increase;

Step S108 adopts said COBBAIF module 83 to produce the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device 9.

Embodiment 5

Shown in Fig. 9-10, the embodiment of the invention five provides another kind of anaglyph spectacles.Be that with the different of embodiment three structure of spectacle frame is different.

This anaglyph spectacles; Comprise spectacle frame 1, liquid crystal glasses sheet 2, audio output device 9 and start-up control device 3; The middle nose holder 15 that said spectacle frame 1 comprises left eye picture frame 11, right eye picture frame 12, left leg of spectacles 13, right leg of spectacles 14 and connects said left eye picture frame 11 and right eye picture frame 12; Nose holder 15 is a hollow structure in the middle of said; Comprise the container cavity 16 that the inner surface by nose holder 15 in the middle of said is recessed to form and the capping 17 of this container cavity 16 of capping, said start-up control device 3 comprises signal receiving module 4, power management module 5 and central control module 6, and said liquid crystal glasses sheet 2 is electrically connected said start-up control device 3; Said signal receiving module 4, power management module 5 and central control module 6 are positioned on the same circuit board and are arranged on said container cavity 16; Wherein, said signal receiving module 4 is used to receive synchronization video and audio signal and is decoded as first video synchronization signal and first audio synchronous signal; Said power management module 5 is used to the state that power supply is provided and monitors power supply, when power source voltage is lower than first threshold, reminds the user that said power supply is charged.

In this way; Said signal receiving module 4, power management module 5 and central control module 6 are positioned on the same circuit board and are arranged on said container cavity 16; Can be so that the structure of anaglyph spectacles to be more integrated, its leg of spectacles 13 and 14 can be designed as general entity structure, and volume is less; Weight is lighter, and electric energy loss is also smaller in the signals transmission.

Said signal receiving module 4, power management module 5 and central control module 6 are positioned on the same circuit board 18; For example power supply 51 can be located at the two sides of circuit board 18 with other circuit structure branch; Can reduce the area of circuit board so to greatest extent; This is owing to the space of container cavity 16 in the middle nose holder 15 is limited, and therefore through extending multilayer circuit board at thickness direction, the thickness that suitably increases circuit board 18 is saved limited space.

Said central control module 6 comprises video control module 7 and audio frequency control module 8; Said video control module 7 comprises video processing module 71, video adjusting module 72 and video driving module 73; Wherein said video processing module 71 is used for said first video synchronization signal is comprised that the processing of amplification and filtering obtains second video synchronization signal; Said video adjusting module 72 is used for that the amplitude of said second video synchronization signal is carried out size adjustment and obtains the 3rd video synchronization signal; Said video driving module 73 is used for producing the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet 2 by said audio video synchronization drive signal; Said audio frequency control module 8 comprises audio processing modules 81, audio frequency adjusting module 82 and COBBAIF module 83; Said audio processing modules 81 is used for said first audio synchronous signal is comprised that the processing of amplification and filtering obtains second audio synchronous signal; Said audio frequency adjusting module 82 is used for that the amplitude of said second audio synchronous signal is carried out size adjustment and obtains the 3rd audio synchronous signal; Said COBBAIF module 83 is used for producing the audio sync drive signal according to said the 3rd audio synchronous signal, and said audio sync drive signal is outputed to said audio output device 9.

Said liquid crystal glasses sheet 2 comprises the binding post 21 that is connected to said video driving module 73; The left eye picture frame 11 that said binding post 21 passes near nose holder 15 in the middle of said extends in the said container cavity 16 with right eye picture frame 12; Said left leg of spectacles 13 comprises first knob 22 that is connected to said video adjusting module 72, and said first knob 22 supplies the user manually the amplitude of said second video synchronization signal to be carried out size adjustment; Said right leg of spectacles 14 comprises second knob 92 and the receiver J-Horner 93 that is connected to said COBBAIF module 83 that is connected to said audio frequency adjusting module 82; Said second knob 92 supplies the user manually the amplitude of said second audio synchronous signal to be carried out size adjustment (when the sound of audio frequency is excessive or too small; Can reduce or increase volume through second knob; Thereby make volume remain on the reasonable levels; Make things convenient for the user to watch and listen to), said receiver J-Horner 93 supplies the manually said audio output device 9 of plug (when occurring under the nonsynchronous situation of reverberation or sound, can extract earphone and adopt the outer sound of stereoscopic TV to watch three-dimensional video-frequency) of users.

In this way; The binding post 21 of liquid crystal glasses sheet 2 is drawn from the direction of middle nose holder 15, is directly connected to said video driving module 73, can avoid the long loss that connecting line caused; And simplified circuit and circuit structure, improved reliability; First knob 22, second knob 92 and receiver J-Horner 93 all are arranged on the leg of spectacles, make things convenient for the user to realize manually directly the regulating of video and audio frequency (corresponding circuit trace is arranged in the leg of spectacles).

Said power management module 5 comprises power supply 51 (for example rechargeable battery), charging circuit 52 and low photodetector 53; The outer surface of nose holder 15 is provided with charging socket 54 in the middle of said; When being lower than first threshold, the voltage that monitors power supply 51 when low photodetector 53 (for example both are compared through central control module 6; Thereby produce control signal according to comparative result); Through be arranged on said in the middle of the LED light 23 of outer surface of nose holder 16 remind users through charging socket 54 charge with 52 pairs of said power supplys 51 of charging circuit (for example central control module 6 sends control signal corresponding, 23 flickers or luminous of driving LED indicator light).

Said start-up control device 3 also comprises control switch 24; This control switch 24 is arranged between said power management module 5 and the central control module 6; Be used for when not using anaglyph spectacles; Thereby the powered-down part is saved electric energy and is protected other circuit part, and this control switch 24 can be arranged on the outer surface of said middle nose holder 15.

Through the description of above execution mode, those skilled in the art can be well understood to the present invention can also realize that characteristic of the present invention is not limited to above-mentioned preferred embodiment through other structures.Any personnel that are familiar with this technology are in technical field of the present invention, and the variation that can expect easily or modification all should be encompassed within the scope of patent protection of the present invention.

Claims

1. the control method of a stereo visual system; Comprise main frame and anaglyph spectacles; Said main frame comprises the infrared transmitter that is used for through the infrared synchronous video signal and is used for the ANTENNAUDIO reflector through wireless transmit isochronous audio signal; Said anaglyph spectacles comprises spectacle frame, liquid crystal glasses sheet, audio output device and start-up control device; The middle nose holder that said spectacle frame comprises left eye picture frame, right eye picture frame, left leg of spectacles, right leg of spectacles and connects said left eye picture frame and right eye picture frame; Said start-up control device comprises signal receiving module, power management module and central control module, and said liquid crystal glasses sheet is electrically connected said start-up control device; Said signal receiving module, power management module and central control module are positioned on the same circuit board and are arranged on the depressed part of said left leg of spectacles, and said depressed part is provided with the capping portion of its opening of sealing;

Wherein, said signal receiving module is used to receive synchronous video signal and isochronous audio signal and is decoded as first video synchronization signal and first audio synchronous signal; Said power management module is used to the state that power supply is provided and monitors power supply, when power source voltage is lower than first threshold, reminds the user that said power supply is charged;

Said control method comprises following concrete steps: step S100, adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal; Adopt the ANTENNAUDIO reflector in the main frame to pass through wireless transmit isochronous audio signal;

Step S108 adopts said LCD drive circuit to produce the audio video synchronization drive signal according to said the 3rd video synchronization signal, and controls alternately open and close of said liquid crystal glasses sheet by said audio video synchronization drive signal;

Step S110 adopts said audio frequency adjusting module that the amplitude of said second audio synchronous signal is carried out size adjustment and obtains the 3rd audio synchronous signal; The amplitude that wherein adopts said second knob to supply the user to come said second audio synchronous signal of manual adjustments according to the volume of said audio output device; Regulate said second knob when volume is big and make the amplitude of said second audio synchronous signal reduce, volume hour said second knob of adjusting makes the amplitude of said second audio synchronous signal increase;