CN102681188A

CN102681188A - Method for controlling two-dimensional and three-dimensional switching 3D glasses system

Info

Publication number: CN102681188A
Application number: CN2012101878936A
Authority: CN
Inventors: 黄凯敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-08
Filing date: 2012-06-08
Publication date: 2012-09-19

Abstract

The invention discloses a method for controlling a two-dimensional and three-dimensional switching 3D glasses system. The two-dimensional and three-dimensional switching 3D glasses system comprises a main engine, a controller and a pair of 3D glasses, wherein the 3D glasses comprise a first glasses frame, a 3D glasses body and a rotating mechanism; the 3D glasses body can rotate relative to the first glasses frame; the 3D glasses body comprises a second glasses frame, liquid crystal lenses and a start controlling device; and the rotating mechanism comprises a driving unit, a first fixing part and a second fixing part. When a user wants to watch 3D video, the 3D glasses body is used for watching; and when the user wants to watch 2D video, the user sends a remote-control rotation instruction by a remote control, so that the 3D glasses body can rotate relative to the first glasses frame, the 2D video can be directly watched by naked eyes, and the glasses can be alternatively switched between 2D and 3D.

Description

A kind of control method of two and three dimensions suitching type 3D glasses system

Technical field

The present invention relates to a kind of control method of two and three dimensions suitching type 3D glasses system, particularly a kind of control method of two and three dimensions suitching type 3D glasses system simple in structure.

Background technology

The control method of common two and three dimensions suitching type 3D glasses system; Receiving trap and method that a kind of adjustable fast gate-type 3D glasses 3D that is for example mentioned among the CN102244802A and 2D are compatible; It comprises signal receiving module, signal processing module, adjustment receiving mode module, left shutter control module, right shutter control module, left shutter, right shutter and receiving mode status displays; The input end of signal processing module connects signal receiving module and adjustment receiver module respectively; The output terminal of signal processing module connects the input end of left shutter control module and right shutter control module respectively; The output terminal of left and right shutter control module connects left and right shutter respectively; Signal processing module also connects the receiving mode status displays, adopts this scheme need not change the control of external display device, only needs just can reach through the change of receiving trap the compatibility reception of 3D and 2D; The user just can be implemented under the same screen different user and watches 3D and 2D picture simultaneously respectively through the receiving mode of adjustment receiving trap.The compatible adjustable fast gate-type 3D glasses of this 3D and 2D have four kinds of receiving modes, control the opening and closing of left and right shutter through the change of receiving mode, thereby realize the switching of 3D and 2D effect.But the 3D glasses of this 3D and 2D compatibility are when watching the 2D picture; This medium of liquid crystal glasses sheet that will certainly see through on the 3D glasses is outwards observed; Even the manufacture craft of liquid crystal glasses sheet is advanced again, also can make the user that sense and flaw sense are naturally arranged when watching the 2D picture not.

Therefore need a kind of control method that the 2D picture is more natural, switch convenient two and three dimensions suitching type 3D glasses system of watching.

In addition, the various 3D glasses that occur at present can not the manual adjustments transmittance, manually control audio output, and its start-up control device generally is divided into two parts (for example battery and circuit board), is separately positioned in two legs of spectacles, and structure is complicacy comparatively.Therefore also need a kind of can the manual adjustments transmittance or the control method of the more integrated two and three dimensions suitching type 3D glasses system of audio frequency output, structure.

Summary of the invention

Fundamental purpose of the present invention provides the control method that a kind of 2D of watching picture is more natural, switch convenient two and three dimensions suitching type 3D glasses system.

Another object of the present invention provide a kind of can the manual adjustments transmittance or audio frequency output, simple in structure, the start-up control device is located at spectacle-frame but not the control method of the two and three dimensions suitching type 3D glasses system of leg of spectacles.

In order to achieve the above object; The present invention proposes a kind of control method of two and three dimensions suitching type 3D glasses system; Said two and three dimensions suitching type 3D glasses system comprises main frame, telepilot and 3D glasses; Said main frame comprises the infrared transmitter that is used for through the infrared synchronous video signal, and said 3D glasses comprise first spectacle frame, 3D glasses body and rotating mechanism, and said 3D glasses body can rotate with respect to said first spectacle frame;

The first middle nose holder that said first spectacle frame comprises the first left eye picture frame, the first right eye picture frame, the first left leg of spectacles, the second right leg of spectacles, wireless receiving module and connects the said first left eye picture frame and the first right eye picture frame; The said first left eye picture frame of upper end edge of nose holder and the upper end of the first right eye picture frame convex with first resettlement section in the middle of said first; Said first resettlement section offers first through hole; In the middle of being arranged at said first, said wireless receiving module in the nose holder, is used to receive the remote control rotation command;

Said 3D glasses body comprises second spectacle frame, liquid crystal glasses sheet and start-up control device; The second middle nose holder that said second spectacle frame comprises the second left eye picture frame, the second right eye picture frame and connects the said second left eye picture frame and the second right eye picture frame; The nose holder is a hollow structure in the middle of said second; Comprise the container cavity that the inner surface by said nose holder in the middle of second is recessed to form and the capping of this container cavity of capping; 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 said container cavity; The upper end of the said second left eye picture frame convexes with second resettlement section in its outside; The upper end of the said second right eye picture frame convexes with the 3rd resettlement section in its outside; Said second resettlement section offers first blind hole; Said the 3rd resettlement section offers second blind hole relative with said first blind hole, and said first resettlement section is positioned at the centre of said second resettlement section and the 3rd resettlement section;

Said rotating mechanism comprises driver element, first fixed part and second fixed part; Said driver element comprises motor and is arranged at first drive division and second drive division at motor two ends respectively; Said motor and said power management module electrically connect, and said motor is used to drive said first drive division and the rotation of second drive division; Said motor comprises first main body and first rotating shaft of extending from the two ends of first main body respectively and second rotating shaft; Said first main body is fixed in first through hole of first resettlement section separably; First drive division is fixed in first fixed part separably; Second drive division is fixed in second fixed part separably; First drive division is a plurality of double wedges that are arranged in first rotating shaft away from first main body, one end, and second drive division is a plurality of double wedges that are arranged in second rotating shaft away from first main body, one end; First fixed part is fixed in first blind hole of second resettlement section; Second fixed part is fixed in second blind hole of the 3rd resettlement section; First fixed part offers third through-hole; The inside surface of third through-hole is provided with a plurality of double wedges that are meshed with first drive division, and second fixed part offers fourth hole, and the inside surface of fourth hole is provided with a plurality of double wedges that are meshed with second drive division;

Said wireless receiving module and said power management module electrically connect; Said central control module comprises wireless processing module; Said wireless processing module is connected with driver element with said wireless receiving module respectively; When wireless receiving module receives the remote control rotation command from telepilot; Said wireless processing module is handled this instruction with the control signal that rotates, and said driver element is controlled the motor forward or reverse according to this rotation control signal, drives said 3D glasses body and rotates with respect to said first spectacle frame to drive said rotating mechanism;

Said control method specifically may further comprise the steps:

Step S101, the employing wireless receiving module receives the remote control rotation command of telepilot, and it is sent into wireless processing module, and said remote control rotation command is that instruction or remote control counter-rotating instruction are just being changeed in remote control;

Step S102 adopts wireless processing module to handle this remote control rotation command with the control signal that rotates, and said rotation control signal is for just changeing control signal or reverse control signal, is just changeing instruction with said remote control or the remote control counter-rotating is instructed corresponding;

Step S103 adopts driver element to rotate control signal control motor forward or reverse according to this, drives said 3D glasses body and rotates with respect to said first spectacle frame to drive said rotating mechanism, specifically comprises:

When rotating control signal when just changeing control signal; Just changeing instruction corresponding to remote control; Also promptly switch to the 2D viewed status by the 3D viewed status, driver element was controlled motor according to this rotations control signal and was just changeed this moment, drove said 3D glasses body and rotated with respect to said first spectacle frame to drive said rotating mechanism; So that said 3D glasses body unlatching, thereby make said 3D glasses body and said first glasses put up a predetermined angular;

When the rotation control signal is reverse control signal; Corresponding to remote control counter-rotating instruction; Also promptly switch to the 3D viewed status by the 2D viewed status, this moment, driver element rotated the counter-rotating of control signal control motor according to this, drove said 3D glasses body with respect to the said first spectacle frame backward rotation to drive said rotating mechanism; So that said 3D glasses body closes, thereby make said 3D glasses body be covered on said first spectacle frame.

Further, said signal receiving module is used to receive synchronous video signal and is decoded as first video synchronization 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 the video 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 liquid crystal glasses sheet comprises the connection terminal that is connected to said LCD driver module; The second left eye picture frame and the second right eye picture frame that said connection terminal passes near the said second middle nose holder extend in the said container cavity; The said second left eye picture frame or the second right eye picture frame comprise 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;

When 3D glasses body was covered on said first spectacle frame described in the said control method step S103, said control method was further comprising the steps of:

Step S200 adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal;

Step S201; Adopt said signal receiving module reception synchronous video signal and be decoded as first video synchronization signal; Specifically comprise: adopt infrared remote receiver to receive synchronous video signal, adopt decoding signals that said synchronous video signal is decoded as first video synchronization signal;

Step S202; 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, through be arranged on said in the middle of the LED light of outer surface of nose holder remind the user said power supply to be charged through charging socket and charging circuit;

Step S203 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 S204 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 S205; 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 the frequency and the consistent waveform control signal of phase place of the synchronous video signal of launching with said main frame, and send said waveform control signal to said LCD sequential generating module;

Step S206, 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 S207 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 said 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 transmittance of said liquid crystal glasses sheet;

Step S208 adopts said LCD driving 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.

Compared with prior art; The present invention has the following advantages: at first can when needs are watched the 3D video, adopt 3D glasses body to watch so that 3D glasses body rotates with respect to first spectacle frame through rotating mechanism, when needs are watched the 2D video, only need send the remote control rotation command through telepilot; Can make 3D glasses body rotate with respect to first spectacle frame; So that directly with the naked eye watch the 2D video, convenient nature, suitable user's general visual demand; In addition; Can come the voltage magnitude of said second video synchronization signal of manual adjustments for the direct basis of user and the distance of 3D TV through first knob, this moment, the voltage magnitude of second video synchronization signal determined the transmittance of liquid crystal glasses sheet, and this manual adjustments is free to change the 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 3D TV; 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 two and three dimensions suitching type 3D glasses system structural representation of the embodiment of the invention one;

Fig. 2 is the backsight structural representation of the 3D glasses of the embodiment of the invention one;

Fig. 3 is the forward sight structural representation of the 3D glasses body of the embodiment of the invention one;

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

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

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

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

Fig. 8 is another two and three dimensions suitching type 3D glasses system structural representation of the embodiment of the invention two;

Fig. 9 is the another two and three dimensions suitching type 3D glasses system structural representation of the embodiment of the invention three;

Figure 10 is the structural representation of 3D glasses among 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 two and three dimensions suitching type 3D glasses system; Comprise main frame, telepilot and 3D glasses; Said main frame comprises the infrared transmitter 100 that is used for through the infrared synchronous video signal, and said 3D glasses comprise first spectacle frame 10,3D glasses body 20 and rotating mechanism 30, and said 3D glasses body 20 can rotate with respect to said first spectacle frame 10;

Said first spectacle frame 10 comprise the right leg of spectacles of the left leg of spectacles of the first left eye picture frame 101, the first right eye picture frame 102, first 103, second 104, wireless receiving module 105 and connect the said first left eye picture frame 101 and the first right eye picture frame 102 first in the middle of nose holder 106; The said first left eye picture frame 101 of upper end edge of nose holder 106 and the upper end of the first right eye picture frame 102 convex with first resettlement section 107 in the middle of said first; Said first resettlement section 107 offers first through hole 108; In the middle of being arranged at said first, said wireless receiving module 105 in the nose holder 106, is used to receive the remote control rotation command;

Said 3D glasses body 20 comprises second spectacle frame 1, liquid crystal glasses sheet 2 and start-up control device 3; Said second spectacle frame 1 comprise the second left eye picture frame 11, the second right eye picture frame 12 and connect the said second left eye picture frame 11 and the second right eye picture frame 12 second in the middle of nose holder 15; Nose holder 15 is a hollow structure in the middle of said second; Comprise the container cavity 16 that the inner surface by said nose holder 15 in the middle of second is recessed to form and the capping 17 of this container cavity 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 18 and are arranged on said container cavity 16 (as shown in Figure 5);

The upper end of the said second left eye picture frame 11 convexes with second resettlement section 111 in its outside; The upper end of the said second right eye picture frame 12 convexes with the 3rd resettlement section 121 in its outside; Said second resettlement section 111 offers first blind hole 112; Said the 3rd resettlement section 121 offers and the second relative blind hole 122 of said first blind hole 112, and said first resettlement section 107 is positioned at the centre of said second resettlement section 111 and the 3rd resettlement section 121;

Said rotating mechanism 30 comprises driver element 32, first fixed part 34 and second fixed part 35; Said driver element 32 comprises motor 320 and is arranged at first drive division 322 and second drive division 324 at motor 320 two ends respectively; Said motor 320 electrically connects with said power management module 5, and said motor 320 is used to drive said first drive division 322 and 324 rotations of second drive division; Said motor 320 comprises first main body 330 and first rotating shaft 340 of extending from the two ends of first main body 330 respectively and second rotating shaft 350; Said first main body 330 is fixed in first through hole 108 of first resettlement section 107 separably; First drive division 322 is fixed in first fixed part 34 separably; Second drive division 324 is fixed in second fixed part 35 separably; First drive division 322 is for being arranged in first rotating shaft 340 a plurality of double wedges away from first main body, 330 1 ends, and second drive division 324 is for being arranged in second rotating shaft 350 a plurality of double wedges away from first main body, 330 1 ends; First fixed part 34 is fixed in first blind hole 112 of second resettlement section 111; Second fixed part is fixed in second blind hole 122 of the 3rd resettlement section 121; First fixed part 34 offers third through-hole; The inside surface of third through-hole is provided with a plurality of double wedges that are meshed with first drive division 322, and second fixed part 35 offers fourth hole, and the inside surface of fourth hole is provided with a plurality of double wedges that are meshed with second drive division 324;

Said wireless receiving module 105 electrically connects with said power management module 5; Said central control module 6 comprises wireless processing module 60; Said wireless processing module 60 is connected with driver element 32 with said wireless receiving module 105 respectively; When wireless receiving module 105 receives the remote control rotation command from telepilot; Said wireless processing module 60 is handled this instruction with the control signal that rotates, and said driver element 32 rotates control signal control motor forward or reverse according to this, drives said 3D glasses body 20 with respect to 10 rotations of said first spectacle frame to drive said rotating mechanism 30.The corresponding generation of remote control rotation command is rotated control signals for two kinds: just changeing control signal and reverse control signal, two kinds of control signals are controlled said 3D glasses body 20 rotating and reverse with respect to said first spectacle frame 10 respectively.

In this way;, adopt by needs 3D glasses body 20 to watch when watching the 3D video; When needs are watched the 2D video, only need send the remote control rotation command, can make 3D glasses body 20 rotate, so that directly with the naked eye watch the 2D video with respect to first spectacle frame 10 through telepilot; Convenient nature, suitable user's general visual demand.

Wherein, said signal receiving module 4 is used to receive synchronous video signal and is decoded as first video synchronization signal; The state that said power management module 5 is used to that power supply 51 is provided and monitors power supply 51 reminds the user that said power supply is charged when the voltage of power supply 51 is lower than first threshold.

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 that therefore through extending multilayer circuit board at thickness direction, the thickness that suitably increases circuit board is saved limited space owing to the space of container cavity 16 in the second middle nose holder 15 is limited.

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 3D glasses 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, electric energy loss also smaller (as shown in Figure 5) in the signals transmission.

Said central control module 6 comprises video control module 7; 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 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 and frequency and the phase place consistent waveform control signal of 3D tv wireless infrared transmission, and send said waveform control signal to said LCD sequential generating module 77 to the synchronous video signal of 3D glasses;

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 transmittance that can the fast gate-type 3D glasses of manual adjustments; 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 3D TV, and (light is stronger) regulated said first knob and made the voltage magnitude of said timing waveform reduce that (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 (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 transmittance that voltage magnitude on the liquid crystal glasses sheet is determining the liquid crystal glasses sheet, and the 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 transmittance of liquid crystal glasses sheet also increases (the relation that applies voltage and transmittance here also can be a nonlinear relationship or partial linear relation, as long as can change transmittance through applying voltage) thereupon gradually, thus through first knob can the said timing waveform of manual adjustments voltage magnitude; And then the transmittance of change liquid crystal glasses sheet; Thereby the final light intensity that enters into eyes from the 3D glasses of regulating prevents to cause user's dazzling sensation, also is not easy fatigue when viewing time is longer.

Said LCD driving 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) of audio video synchronization drive signal and 3D television transmission 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 3D 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 the frequency of said second video synchronization signal and the measurement and the storage of phase place (consistent to the frequency and the phase place of the synchronous video signal of 3D glasses) with 3D tv wireless infrared transmission; In this way can be so that when the problem of lossing signal appears in 3D glasses once in a while; Can be according to frequency of preserving and phase value asynchronous operation initiatively; Thereby make the work operation that the 3D glasses are stable, guarantee its function-stable, more reliable.

Said signal receiving module 4 comprises infrared remote receiver 41 (for example being arranged on the outer surface of said middle nose holder 16) 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) to the 3D glasses of 3D tv wireless infrared transmission for example, and said decoding signals 43 is decoded as first video synchronization signal with said synchronous video 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 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 pilot lamp).

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

Adopt after the two and three dimensions suitching type 3D glasses system among this embodiment, can adopt following control method to come it is carried out control operation.Said control method specifically may further comprise the steps:

Step S101 adopts wireless receiving module to receive the remote control rotation command, and it is sent into wireless processing module, and said remote control rotation command is that instruction or remote control counter-rotating instruction are just being changeed in remote control;

Step S200 adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal; It specifically can comprise: said main frame comprises photoelectrical coupler, microprocessor and infrared transmitter, and 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 S201; Adopt said signal receiving module 4 to receive synchronous video signal and be decoded as first video synchronization signal; Specifically comprise: adopt said infrared remote receiver 41 to receive synchronous video signal, adopt said decoding signals 43 that said synchronous video signal is decoded as first video synchronization signal;

Step S202; 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 is lower than first threshold, remind users to charge with 52 pairs of said power supplys 51 of charging circuit through charging socket 54 through the LED light 23 that is arranged on the outer surface of nose holder 16 in the middle of said second;

Step S203 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 S204 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 S205; 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 and frequency and the phase place consistent waveform control signal of 3D tv wireless infrared transmission, and send said waveform control signal to said LCD sequential generating module 77 to the synchronous video signal of 3D glasses;

Step S206, 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 S207 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 3D TV; 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 transmittance of said liquid crystal glasses sheet;

Step S208 adopts said LCD driving 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.

Embodiment 2

As shown in Figure 8, the embodiment of the invention 2 provides another kind of two and three dimensions suitching type 3D glasses system.Be that with the different of embodiment one structure of video control module is different, can mutual alternative use.Central control module 6 comprises video control module 7 described in this embodiment; 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.

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, to realize the 3D visual effect.

Said liquid crystal glasses sheet 2 comprises the connection terminal 21 that is connected to said video driving module 73; The second left eye picture frame 11 and the second right eye picture frame 12 that said connection terminal 21 passes near the said second middle nose holder 15 extend in the said container cavity 16; The said second left eye picture frame 11 or the second right eye picture frame 12 comprise 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.

In this way; The connection terminal 21 of liquid crystal glasses sheet 2 is drawn from the direction of the second 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.

Said signal receiving module 4 comprises infrared remote receiver 41 (for example being arranged on the outer surface of nose holder 15 in the middle of said second) 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) to the 3D glasses of 3D tv wireless infrared transmission for example, and said decoding signals 43 is decoded as first video synchronization signal with said synchronous video 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 nose holder 15 is provided with charging socket 54 in the middle of said second; 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 second the LED light 23 of the outer surface of nose holder 15 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 pilot lamp).

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

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 transmittance that can the fast gate-type 3D glasses of manual adjustments; 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 3D TV, and (light is stronger) regulated said first knob 22 and made the voltage magnitude of said second video synchronization signal reduce that (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 (transmittance increases, and is as shown in Figure 7, V2>V1) when distance was far away.Its principle is; Thereby the voltage magnitude of second video synchronization signal is carried out size adjustment through manual adjustments first knob 22; (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 2; Concrete circuit structure can be not limited to this); And this is applied to the transmittance that voltage magnitude on the liquid crystal glasses sheet 2 is determining liquid crystal glasses sheet 2, and the 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 transmittance of liquid crystal glasses sheet also increases (the relation that applies voltage and transmittance here also can be a nonlinear relationship or partial linear relation, as long as can change transmittance through applying voltage) thereupon gradually, thus through first knob 22 can said second video synchronization signal of manual adjustments voltage magnitude; And then the transmittance of change liquid crystal glasses sheet 2; Thereby the final light intensity that enters into eyes from the 3D glasses 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) of audio video synchronization drive signal and 3D television transmission 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 3D visual effect) so that present relief video for the user.

Adopt after the 3D glasses system after this replacement, when 3D glasses body was covered on said first spectacle frame described in the said control method step S103, said control method also comprised and replaces with following steps:

Step S300 adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal; It specifically can comprise: said main frame comprises photoelectrical coupler, microprocessor and infrared transmitter, and 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 S301; Adopt said signal receiving module 4 to receive synchronous video signal and be decoded as first video synchronization signal; Specifically comprise: adopt said infrared remote receiver 41 to receive synchronous video signal, adopt said decoding signals 43 that said synchronous video signal is decoded as first video synchronization signal;

Step S302; 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 is lower than first threshold, remind users to charge with 52 pairs of said power supplys 51 of charging circuit through charging socket 54 through the LED light 23 that is arranged on the outer surface of nose holder 16 in the middle of said second;

Step S303 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 S304 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 3D 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 transmittance of said liquid crystal glasses sheet;

Step S305 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.

Embodiment 3

Shown in Fig. 9-10, the embodiment of the invention 3 provides another kind of two and three dimensions suitching type 3D glasses system.It is to have increased audio output device and handles and adjust circuit accordingly with the different of embodiment two.

This 3D glasses system; Comprise main frame, telepilot and 3D glasses; Said main frame comprises the infrared transmitter 100 that is used for through the infrared synchronous video signal, is used for the ANTENNAUDIO transmitter 200 (for example with 2.4GHz wireless transmit 3D program audio signal) through wireless transmit isochronous audio signal.

3D glasses body 20 in the said 3D glasses also comprises audio output device 9, and said signal receiving module 4 is used to receive synchronization video and sound signal and is decoded as first video synchronization signal and first audio synchronous signal; 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.

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 realization 3D 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 connection terminal 21 that is connected to said video driving module 73; The second left eye picture frame 11 and the second right eye picture frame 12 that said connection terminal 21 passes near the said second middle nose holder 15 extend in the said container cavity 16; The said second left eye picture frame 11 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 said second right eye picture frame 12 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 3D TV to watch the 3D video) of users.

In this way; The connection terminal 21 of liquid crystal glasses sheet 2 is drawn from the direction of the second 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 spectacle-frame, have avoided cabling in leg of spectacles, simplify the structure of 3D glasses with this, through these knobs and socket, can realize manually directly regulating of video and audio frequency.

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) to the 3D glasses of 3D tv wireless infrared transmission for example, and said infrared remote receiver 41 can be arranged on the outer surface of nose holder 15 in the middle of said second; Said ANTENNAUDIO receiver 42 (for example FM receiver) is used to receive the isochronous audio signal (sound signal of television field frame that 3D tv wireless for example is transferred to the 3D glasses; 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 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), sound 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 fast gate-type 3D glasses of manual adjustments; 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 3D TV to watch the 3D video 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 loudspeaker or earphone, if adopt loudspeaker, then audio sync drive signal direct (perhaps behind the power amplifier in the COBBAIF module) is exported to loudspeaker; It is sounded,, then can for example on the said right eye picture frame receiver J-Horner (for example earpieces socket) that is connected to said COBBAIF module be set if adopt earphone; 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 3D TV to watch the 3D video; Thereby guarantee user's tonequality demand; In addition, adopt the version of earphone also to be convenient for changing high-quality stereophone, compared to loudspeaker; Its acoustical quality is better, also meets the use habit of ordinary consumer.

Adopt after this 3D glasses system, when 3D glasses body was covered on said first spectacle frame described in the said control method step S103, said control method also comprised and replaces with following steps.

Step S400 adopts the infrared transmitter in the main frame to pass through the infrared synchronous video signal, adopts the ANTENNAUDIO transmitter in the main frame to pass through wireless transmit isochronous audio signal;

Step S401; 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 said infrared remote receiver 41 to receive synchronous video signal; Adopt said ANTENNAUDIO receiver 42 to receive the isochronous audio signal, adopt said 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 S402; 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 is lower than first threshold, remind users to charge with 52 pairs of said power supplys 51 of charging circuit through charging socket 54 through the LED light 23 that is arranged on the outer surface of nose holder 16 in the middle of said second;

Step S403 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 S404 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 3D 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 transmittance of said liquid crystal glasses sheet;

Step S405 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 S406 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 S407 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 S408 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.

Through the description of above embodiment, 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 two and three dimensions suitching type 3D glasses system; Said two and three dimensions suitching type 3D glasses system comprises main frame, telepilot and 3D glasses; Said main frame comprises the infrared transmitter that is used for through the infrared synchronous video signal; Said 3D glasses comprise first spectacle frame, 3D glasses body and rotating mechanism, and said 3D glasses body can rotate with respect to said first spectacle frame;

Said control method specifically may further comprise the steps:

2. control method as claimed in claim 1 is characterized in that, said signal receiving module is used to receive synchronous video signal and is decoded as first video synchronization 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;