CN102073140A - Three-dimensional glasses and control method thereof - Google Patents
Three-dimensional glasses and control method thereof Download PDFInfo
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- CN102073140A CN102073140A CN2010101022921A CN201010102292A CN102073140A CN 102073140 A CN102073140 A CN 102073140A CN 2010101022921 A CN2010101022921 A CN 2010101022921A CN 201010102292 A CN201010102292 A CN 201010102292A CN 102073140 A CN102073140 A CN 102073140A
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Abstract
The invention provides a pair of three-dimensional glasses and a control method thereof. The three-dimensional glasses comprise a signal receiving unit used for receiving synchronization signals, left and right LCD (Liquid Crystal Display) lenses used for observing three-dimensional images and a central control unit used for controlling the signal receiving unit and the left and the right LCD lenses according to the synchronization signals received by the signal receiving unit; the central control unit comprises a synchronization control unit and a power control unit, wherein the synchronization control unit is used for controlling the left and the right LCD lenses to open and close alternately according to the synchronization signals received by the signal receiving unit, the power control unit is used for monitoring the synchronization signals and dynamically controlling the power supply of a part of units and/or all units of the three-dimensional glasses according to monitoring results, and when no synchronization signal is monitored in a period of time longer than a preset threshold value, the power control unit stops supplying power for a part of units and/or all units of the three-dimensional glasses. The invention can better realize the synchronism and the low-power consumption control of the three-dimensional glasses.
Description
Technical field
The present invention relates to the video display technology field, specifically, relate to a kind of anaglyph spectacles and control method thereof.
Background technology
Human eye is when watching three-dimensional scenery, and left eye can only be seen the scenery of left eye usually, and right eye can only be seen the scenery of right eye.But, since about two spacing is arranged, cause between two the visual angle to have fine distinction, and this difference can cause existing between two scenery of being seen separately the displacement of a little.When the image of watching when eyes was sent to human brain, human brain was very dexterously with two image co-registration, thereby produced the stereoscopic visual effect of the sense of having living space in human brain.Therefore, human eye can be seen three-dimensional scenery.
Yet during scenery on watching computer screen, the scenery on the computer screen is plane picture, rather than stereo-picture.In this case, there is not displacement between the image that images of left and right eyes is watched, thereby can not produces stereoscopic vision.At this moment, can utilize the 3D anaglyph spectacles to produce above-mentioned subtense angle by wearing the 3D anaglyph spectacles, thereby make the planar scene on the computer screen show stereoscopic visual effect.
Anaglyph spectacles of the prior art much is reflection and the refraction principle that utilizes eyeglass, makes video image have the displacement on the space to intelligent's images of left and right eyes the time, produces parallax thus, thereby makes ordinary video produce stereoscopic visual effect in human brain.As in patent documentation 1 (CN2888469), disclose a kind of match with level crossing video of structure of translucent half reflection eyeglass that adopts and faced the border glasses, comprise picture frame, the picture frame center fixed has level crossing and the translucent half reflection eyeglass that becomes 45 degree with it, level crossing and translucent half reflection eyeglass are mutually 90 degree, reflecting surface one side of translucent half-reflecting mirror sheet is provided with and the parallel level crossing of translucent half reflection eyeglass on the picture frame, and is provided with the level crossing parallel with this level crossing with reflecting surface one side of level crossings that translucent half reflection eyeglass is mutually 90 degree on the picture frame.
In patent documentation 2 (CN201203709), a kind of 3 D stereo glasses that utilize the convex lens projection to realize three-dimensional imaging are disclosed, wherein display module comprises base, the protecgulum that is provided with is arranged on the two ends of base front end face symmetrically in pairs, the bonnet that is provided with is arranged on the two ends of base rear end face symmetrically in pairs, be provided with two adaptive convex lens between protecgulum and base backward successively in the past, be provided with the LCD module between bonnet (36) and base, the middle part of base rear end face is provided with circuit board, and circuit board is connected by data line with the LCD module.
Yet, in the anaglyph spectacles that disclosed reflection that utilizes eyeglass and refraction principle are realized in above-mentioned patent documentation, complex structure and easy care not.And, with the poor synchronization of actual video, thereby cause last video image displayed of poor quality.
The anaglyph spectacles that switch that a kind of employing is used to control left and right liquid crystal lens comes the Alternation Display video image is also disclosed in patent documentation 3 (CN201348682).As shown in Figure 1, this anaglyph spectacles comprises a spectacle-frame body, be provided with power supply in the spectacle-frame body, power supply is connected with the synchronizing signal processing module through circuit, the synchronizing signal processing module is connected with control module through circuit, also be provided with an inductive switch in addition, be serially connected with between power supply and the synchronizing signal processing module, whether carry out synchronous processing work with the control system that whether contacts of this inductive switch by human body.But the anaglyph spectacles of patent documentation 3 is only by determined work of inductive switch and shutdown two states.And the electrical source consumption under continues to keep maximum rating in working order.This shows that the power consumption of this anaglyph spectacles is than higher.
Therefore, need a kind of synchronous effect anaglyph spectacles and control method thereof good and low in energy consumption.
Summary of the invention
In view of the above problems, a kind of new anaglyph spectacles and control method thereof are provided, utilize this new anaglyph spectacles and control method thereof, can be according in special time period, whether monitoring synchronizing signal, the part of described anaglyph spectacles and/or the power supply of all unit are dynamically controlled, when not monitoring synchronizing signal in special time period, described power control unit makes the part in the described anaglyph spectacles and/or all unit is stopped power supply.In addition, when the synchronizing signal that is received is of poor quality, described synchronous control unit produces synchronizing signal, and utilize the synchronizing signal produced that described three-dimensional imaging unit is controlled, to utilize alternately open and close of left and right sides LCD eyeglass that the synchronizing signal that is produced controls described anaglyph spectacles.Thus, can realize that synchronous effect is good and low in energy consumption.
According to an aspect of the present invention, provide a kind of anaglyph spectacles, having comprised:
Signal receiving unit is used to receive synchronizing signal;
Left and right sides LCD eyeglass is used to watch stereo-picture; And
Central control unit is used for the synchronizing signal that receives according to described signal receiving unit, and signal receiving unit and left and right sides LCD eyeglass are controlled, and wherein, described central control unit comprises:
The left and right sides LCD eyeglass that synchronous control unit, the synchronizing signal that is used for receiving according to described signal receiving unit are controlled described anaglyph spectacles is open and close alternately;
Power control unit is used to monitor synchronizing signal, and according to monitoring result the part of described anaglyph spectacles and/or the power supply of all unit is dynamically controlled,
Wherein, surpassing when not monitoring synchronizing signal in the time period of predetermined threshold, described power control unit stops the part of described anaglyph spectacles and/or the power supply of all unit.
According to a further aspect in the invention, provide a kind of control method of anaglyph spectacles, having comprised:
To the left and right sides LCD eyeglass that is used to control anaglyph spectacles alternately the synchronizing signal of open and close monitor;
Surpassing when not monitoring described synchronizing signal in the time period of predetermined threshold, respectively the part in the described anaglyph spectacles and/or all unit are stopped power supply.
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present invention, other purposes of the present invention and result will understand and easy to understand more.
Description of drawings
Describe the present invention below with reference to the drawings and specific embodiments, wherein:
Fig. 1 is the block scheme of the circuit of a kind of existing anaglyph spectacles of illustration;
Fig. 2 is the block diagram according to anaglyph spectacles of the present invention;
Fig. 3 is the oscillogram of the synchronizing signal of expression TV end transmission;
Fig. 4 is the block diagram of expression second embodiment of the invention;
Fig. 5 is the schematic flow sheet of the control method of expression anaglyph spectacles of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done further detailed description.
First embodiment
Fig. 2 is the block diagram of anaglyph spectacles 200 according to an embodiment of the invention.As shown in Figure 2, anaglyph spectacles 200 according to the present invention comprises signal receiving unit 210 and central control unit 220 and left and right sides LCD eyeglass 230, and wherein, described central control unit 220 also comprises synchronous control unit 240 and power control unit 250.
Described signal receiving unit 210 is used to receive synchronizing signal.Particularly, described signal receiving unit 210 can comprise infrared remote receiver (IR RCV) 212, is used to receive synchronizing signal, for example the synchronizing signal after ovennodulation of TV end emission; And demodulator of PM signal PM 214, be used for the synchronizing signal after ovennodulation that is received is carried out demodulation, with the synchronizing signal after the acquisition demodulation.In addition, described signal receiving unit 210 can also comprise FM receiver 216, is used for receiving synchronously the sound signal of television field frame.
Described synchronous control unit 240 links to each other with described signal receiving unit 210, is used for the synchronizing signal that received according to described signal receiving unit 210, and the left and right sides LCD eyeglass 230 of controlling described anaglyph spectacles is open and close alternately.In addition, described synchronous control unit 240 can also comprise signal quality detecting unit 242, is used to detect the quality of signals that is received.When described signal quality detecting unit 242 detects the synchronizing signal that is received when of poor quality, described synchronous control unit 240 produces synchronizing signal, and utilize alternately open and close of left and right sides LCD eyeglass that the synchronizing signal produced controls described anaglyph spectacles, thereby make the 3D picture that shows by LCD not have ghost image, flicker free, identical visual effect when reaching synchronous with 3D rendering.
Described synchronous control unit 240 can comprise stepup transformer 244, is used for the driving voltage of described signal output unit is increased to needed voltage, for example utilizes the DC-DC converter that the switching voltage (lcd drive voltage) of liquid crystal lens is brought up to 10V.In addition, described synchronous control unit 240 can also comprise eyeglass switch control unit 246, is used for according to the synchronous control signal that is received, and the left and right sides LCD eyeglass 230 of controlling described anaglyph spectacles is open and close alternately.
In addition, at the initial phase that anaglyph spectacles starts, signal quality detecting unit 242 can also the autoscan wireless channel, initiatively avoids occupied channel and the too poor channel of channel quality.In addition, in the course of the work, after the channel quality variation, signal quality detecting unit 242 can also initiatively switch idle channel or the good channel of channel quality, and the raising anaglyph spectacles is intelligent for the signal selection.
Described left and right sides LCD eyeglass 230 links to each other with described synchronous control unit 240, is used for the open and close by the left and right sides LCD eyeglass of alternately controlling described anaglyph spectacles, watches stereo-picture.Usually, the left and right sides LCD eyeglass of described anaglyph spectacles is the LCD eyeglass.
Particularly, described synchronous control unit 240 is according to the synchronizing signal from signal receiving unit 210, the analog switch of the LCD eyeglass of synchro control anaglyph spectacles, make that the alternately switching frequency of open and close of left and right liquid crystal lens is consistent with the staggered display frequency of video source figure field, thereby make and after people put on anaglyph spectacles, can watch stereo-picture.
In the present invention, when alternately open and close was controlled to left and right sides LCD eyeglass, selected analog switch was a triple channel single-pole double-throw (SPDT) analog switch.The time of opening of this switch is 100ns, and the shut-in time only is 40ns, thereby can control the open and close of left and right sides LCD eyeglass apace, makes the 3D three-dimensional imaging smooth more thus.In addition, selected analog switch also can adopt the combination of conventional three separating transistors and FET (field effect transistor) to realize.
Illustrate how to carry out synchronously and switch with an example below.
For example, the signal 60Hz synchronizing signal that the TV end is launched through after the modulation of infrared rays, sends to glasses.After the infrared remote receiver (IR RCV) 11 of signal receiving unit 210 receives the signal that the TV end launched, carry out obtaining after the demodulation synchronizing signal of 60Hz.Fig. 3 shows the oscillogram of the synchronizing signal of TV end emission.As shown in Figure 3, in one-period, the duration of high level is 16.4ms, and the low level duration is about 0.2ms.The synchronous control unit 240 of anaglyph spectacles according to the signal that is obtained (promptly, the IR synchronizing signal), left and right sides LCD eyeglass L, the R open and close alternately of control anaglyph spectacles, thus make that the switching frequency of alternately open and close of left and right sides LCD eyeglass of described anaglyph spectacles is synchronous with the synchronizing signal that is received.According to the imaging mode of stereo-picture, for first signal, need a left side usually synchronously, just require the LCD eyeglass in left side when beginning to close earlier, the LCD eyeglass on right side is opened; And then the LCD eyeglass of closing the right side, open the LCD eyeglass in left side simultaneously, Alternation Display free hand drawing field and bigraph field successively, thus make and when watching, can watch stereo-picture by anaglyph spectacles.
Described anaglyph spectacles 200 also comprises audio output device 260 and LED light 262, is used to realize the final output of video and sound signal and the demonstration of indicator signal.
Wherein, described audio output device 260 is the additional earphone that power amplifier is arranged.
Described power control unit 250 links to each other with described signal receiving unit 210, described synchronous control unit 240 and described audio output unit 260, be used to monitor synchronizing signal, and the power supply of described signal receiving unit, synchronous control unit and audio output device is dynamically controlled according to monitoring result, wherein, when not monitoring synchronizing signal in described special time period, described power control unit 250 makes stops power supply to the part in the described anaglyph spectacles and/or all unit.
Described power control unit 250 can comprise signal monitoring unit 252.Described signal monitoring unit 252 is used for monitoring and whether has synchronizing signal in special time period.For example, if do not monitoring synchronizing signal above in the time of 1s, then power control unit (for example MCU control module) stops stepup transformer 244 power supplies.If do not monitoring synchronizing signal, then stop 212 power supplies to IR RCV (infrared remote receiver) above in the time of 6s.If do not monitoring synchronizing signal, then stop whole anaglyph spectacles power supply above in the time of 30s.Certainly, if receive useful signal within 30s, then power control unit (for example, the MCU control module) can in time recover IR RCV 212 and stepup transformer 244 power supplies, thereby guarantees the operate as normal of anaglyph spectacles.After entire system down, the signal monitoring unit also stops the monitoring to synchronizing signal, and at this moment, even there is the synchronizing signal transmission, power control unit can not worked yet.In this case, described anaglyph spectacles can also comprise manual button (for example, switch key) (not shown), is used for manually opening anaglyph spectacles.In addition, under the situation that has the sound signal input, described signal monitoring unit further monitoring sound signal.For the television field frame sound signal, if the signal monitoring unit does not monitor television audio signals for a long time, then close the FM emission automatically, enter the standby mode of FM.When having television field frame, power control unit is opened the FM function, enters the mode of operation of FM.
Power control unit 250 is according to the monitoring result of signal monitoring unit 252, to the part of anaglyph spectacles 200 and/or all unit control of powering, thereby in the rational stand-by period, reduce the power consumption of anaglyph spectacles as much as possible, realized low power consumption control of the present invention.The average current consumption that experiment showed, anaglyph spectacles of the present invention is only for about 1.7mA, can guarantee to watch continuously 45 hours TVs and do not need to change battery, thereby save power greatly, reduced the later stage use cost of anaglyph spectacles.
Here be noted that, be integrated in the central control unit 220 though described synchronous control unit 240 and power control unit 250 are shown as in Fig. 2, described synchronous control unit 240 and power control unit 250 can be used as independent component and realize discretely.
In addition, although being shown as in Fig. 2, described signal monitoring unit 252 and signal quality detecting unit 242 be included in respectively in power control unit 250 and the synchronous control unit 240, but described signal monitoring unit 252 and signal quality detecting unit 242 also can be separately positioned on the outside of power control unit 250 and synchronous control unit 240, and via wired or wireless mode and power control unit 250 and synchronous control unit 240 couplings.
Equally, described stepup transformer 244 and eyeglass switch control unit 246 also can be arranged on the outside of synchronous control unit 240.
In addition, described anaglyph spectacles 200 can also comprise Power Management Unit 270, and it links to each other with central control unit 220.Described Power Management Unit 270 comprises low photodetector 272, charge controller 274, power supply 276 and voltage stabilizer 278.
Wherein, low photodetector 272 is used to detect the running whether power source voltage enough supports anaglyph spectacles.If electric weight is low excessively, then produce low electric alarm, trigger charge controller power supply is charged.
Voltage stabilizer 278 is used for the output voltage of power supply is regulated, to export to the MCU control module.In the present embodiment, adopt LDO (low pressure difference linear voltage regulator) as the voltage stabilizer of regulating output voltage, the LDO noise is low, quiescent current is little, and the outward element that needs is also few, is suitable for anaglyph spectacles and uses.
In addition, described low photodetector 272 and charge controller 274 also can be arranged in the central control unit 220.
More than be that the anaglyph spectacles according to the first embodiment of the present invention is described.It should be noted, can also carry out various variants and modifications to first embodiment not deviating from the basis of the present invention.
Second embodiment
Fig. 4 is the block diagram of the structure of second embodiment of the invention.As shown in Figure 4, different with first embodiment is, described anaglyph spectacles 200 also comprises channel record and predicting unit 280, be used for after monitoring synchronizing signal and/or sound signal, record is when the channel of preamble and/or sound signal, so that when adjusting channel or rescaning channel in signal variation back, predict possible effective, high-quality channel automatically according to the channel information of current record, carry out among a small circle channel adjustment or scanning.
If the 3D synchronizing signal is because certain reason is interrupted in the course of the work, channel record and predicting unit 280 are predicted 3D lock in time automatically according to controlling recording before.Equally, if the television field frame synchronization channel signal interrupts in the course of work, channel record and predicting unit 280 also can be according to before controlling recording predictive channels number automatically, shorten the search time of IR RCV and FM, thereby can not only improve the continuity of anaglyph spectacles on audio frequency, video, also reduce the consumption of power supply simultaneously to a certain extent.
Compare with first embodiment, present embodiment has shortened the time of signal scanning, thereby has further reduced the power consumption of anaglyph spectacles.
Fig. 5 is the schematic flow sheet of illustration according to the control method of anaglyph spectacles of the present invention.As shown in Figure 5, at first, anaglyph spectacles is powered on and carries out initialization, flow process proceeds to step S510.
At step S510, whether monitoring exists synchronizing signal.
If do not monitor synchronizing signal, then flow process proceeds to step S520.At step S520, according to duration of not monitoring synchronizing signal whether greater than predetermined threshold, determine to be stopped power supply in the part unit of anaglyph spectacles, still stopped power supply in all unit of anaglyph spectacles.Here, described predetermined threshold for example is 1 second, 6 seconds or 30 seconds.Particularly, if do not monitor synchronizing signal, then can utilize timer that the duration that does not monitor synchronizing signal is carried out timing.Do not surpass 1 second if monitor the duration of synchronizing signal, then stop stepup transformer 244 power supplies.Do not surpass 6 seconds if monitor the duration of synchronizing signal, then stop 212 power supplies of the infrared remote receiver in the signal receiving unit 210.Do not surpass 6 seconds if monitor the duration of synchronizing signal, then stop whole anaglyph spectacles power supply.
Be noted that after the power supply that stops the part unit of anaglyph spectacles for example, after stopping, having synchronizing signal, then can recover power supply the part unit of stopping power supply if monitor to stepup transformer 244 and infrared remote receiver 212 power supplies.And after total system is stopped power supply, need manual button could open anaglyph spectacles, and carry out initialization.
Be noted that 1 second time described here, 6 seconds and 30 seconds only are exemplary, can also adopt other desired value.In addition, judge the length of duration, can utilize timer or other suitable technique to realize.
Have synchronizing signal if monitor, then flow process proceeds to step S530.At step S530, receive synchronizing signal by signal receiving unit 210.Here be noted that the part unit of described anaglyph spectacles has been stopped power supply, then needs to restart this part unit if monitoring when having synchronizing signal.
After receiving synchronizing signal, flow process proceeds to step S540.At step S540, according to the synchronizing signal that described signal receiving unit received, the left and right sides LCD eyeglass of controlling described anaglyph spectacles is open and close alternately.Then, flow process proceeds to step S550.
In step S550, after receiving synchronous control signal, by the left and right sides LCD eyeglass of the described anaglyph spectacles of open and close alternately, to watch stereo-picture.
Before whether monitoring exists the step S510 of synchronizing signal, can also comprise the step that is used to scan wireless channel, for example be the scan period with 0.4ms, from the main sweep wireless channel, and initiatively avoid occupied channel and the too poor channel of channel quality.
In addition, in step S510, monitor have synchronizing signal after, can also detect the quality of this vision signal.When the synchronizing signal that is received was of poor quality, described synchronous control unit produced synchronizing signal, and utilized alternately open and close of left and right sides LCD eyeglass that the synchronizing signal that is produced controls described anaglyph spectacles.
In addition, in another preferred embodiment of this method, also increased monitoring, reception and quality testing for television field frame FM signal, its process is similar to the synchronization signal processing mode.At first, from main sweep FM channel, whether monitoring exists the FM sound signal behind opening initialization, if do not monitor the FM sound signal in surpassing special time period (as 5s), then closes the FM emission, enters the standby mode of FM.Otherwise, carry out the reception and the processing of FM sound signal.
Equally, after monitoring the FM sound signal, also can detect the FM audio signal quality.When signal quality is difference, initiatively switch the good channel of idle channels or channel quality, to guarantee the audio frequency effect of television field frame.
In addition, after in step S510, monitoring synchronizing signal and/or sound signal, the channel record of described anaglyph spectacles and predicting unit 280 write down the channel when preamble and/or sound signal automatically, so that when signal changes back adjustment channel or rescans channel, channel information according to current record is predicted possible effective, high-quality channel automatically, carry out among a small circle channel adjustment or scanning, thereby save the time of adjustment or scanning channel, accelerate the speed of adjustment or scanning, and then improve the antijamming capability of anaglyph spectacles.
Anaglyph spectacles by this method control, after start be to continue scanning signal to be received the cycle with the set time, when signal interruption, signal recovery or signal quality variation, can dynamically adjust the duty of the corresponding units of anaglyph spectacles, thereby realize dynamic power consumption control, reduce the power consumption of anaglyph spectacles thus as much as possible anaglyph spectacles.
In the present invention, detect, the power supply of each unit of anaglyph spectacles is dynamically controlled, thereby prolonged working time of anaglyph spectacles according to the synchronizing signal quality by signal quality.
In the present invention, utilize the DC-DC converter that the switching voltage (lcd drive voltage) of liquid crystal lens is brought up to 10V, simultaneously under the prerequisite that guarantees its video effect, adopt the mode that exchanges the control liquid crystal lens, can effectively improve the stability of liquid crystal lens under long-time switch situation, the reliability of eyeglass and serviceable life are got a promotion.
Different with three separating transistors of routine with FET (field effect transistor) control mode, in the present invention, when the alternately open and close of the left and right eyeglass of control, adopt triple channel single-pole double-throw (SPDT) analog switch.The time of opening of this switch is 100ns, and the shut-in time is 40ns only, thereby can control the alternately open and close of left and right sides LCD eyeglass apace, makes the 3D three-dimensional imaging smooth more thus.On the other hand, use the power consumption of the power consumption of analog switch, thereby help the power consumption control of anaglyph spectacles integral body well below use discrete device (separating transistor, FET).
Under above-mentioned instruction of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in protection scope of the present invention; those skilled in the art should be understood that; above-mentioned specific descriptions just are used for illustration the present invention, and protection scope of the present invention should be limited by claim and equivalent thereof.
Claims (15)
1. anaglyph spectacles comprises:
Signal receiving unit is used to receive synchronizing signal;
Left and right sides LCD eyeglass is used to watch stereo-picture; And
Central control unit is used for the synchronizing signal that receives according to described signal receiving unit, and signal receiving unit and left and right sides LCD eyeglass are controlled, and wherein, described central control unit comprises:
The left and right sides LCD eyeglass that synchronous control unit, the synchronizing signal that is used for receiving according to described signal receiving unit are controlled described anaglyph spectacles is open and close alternately;
Power control unit is used to monitor synchronizing signal, and according to monitoring result the part of described anaglyph spectacles and/or the power supply of all unit is dynamically controlled,
Wherein, surpassing when not monitoring synchronizing signal in the time period of predetermined threshold, described power control unit stops the part of described anaglyph spectacles and/or the power supply of all unit.
2. anaglyph spectacles as claimed in claim 1, wherein, described predetermined threshold is one or more threshold values, wherein when described predetermined threshold is a plurality of threshold value, described power control unit stops the corresponding units in the described anaglyph spectacles is powered according to different threshold values.
3. anaglyph spectacles as claimed in claim 1 also comprises the signal monitoring unit, is used for before described signal receiving unit receives synchronizing signal synchronizing signal being monitored.
4. anaglyph spectacles as claimed in claim 1 also comprises the signal quality detecting unit, is used to detect the quality of the synchronizing signal that is received, wherein,
When the synchronizing signal that is received was of poor quality, described synchronous control unit produced synchronizing signal, and utilized the synchronizing signal that is produced to control alternately open and close of described left and right sides LCD eyeglass.
5. anaglyph spectacles as claimed in claim 4, wherein, described synchronous control unit comprises:
Glasses lens drive unit, be used for according to the synchronous control signal that receives or produced, control alternately open and close of described left and right sides LCD eyeglass; And
Stepup transformer is used for the driving voltage of described glasses lens drive unit is increased to needed voltage.
6. anaglyph spectacles as claimed in claim 5, wherein, described glasses lens drive unit is the triple channel single-pole double-throw switch (SPDT).
7. anaglyph spectacles as claimed in claim 1 or 2, wherein, all right received audio signal of described signal receiving unit; And described anaglyph spectacles also comprises audio output device, is used to export the sound signal that is received.
8. anaglyph spectacles as claimed in claim 7, wherein, described audio output device is an earphone.
9. as claim 5 or 7 described anaglyph spectacleses, also comprise channel record and predicting unit, be used for after monitoring synchronizing signal and/or sound signal that record is when the channel of preamble and/or sound signal; And after changing, signal adjusts or when rescaning channel, according to the channel information target of prediction channel of current record.
10. the control method of an anaglyph spectacles comprises:
To the left and right sides LCD eyeglass that is used to control anaglyph spectacles alternately the synchronizing signal of open and close monitor;
Surpassing when not monitoring described synchronizing signal in the time period of predetermined threshold, respectively the part in the described anaglyph spectacles and/or all unit are stopped power supply.
11. control method as claimed in claim 10, wherein, described predetermined threshold is one or more threshold values, wherein when described predetermined threshold is a plurality of threshold value, according to different threshold values, the corresponding units in the described anaglyph spectacles is stopped power supply.
12. as claim 10 or 11 described control methods, wherein, the step of being stopped power supply in the part in the described anaglyph spectacles and/or all unit comprises:
When not monitoring described synchronizing signal, start timer and carry out timing;
When the timing of described timer surpasses predetermined threshold, the part in the described anaglyph spectacles and/or all unit are stopped power supply.
13. control method as claimed in claim 10 wherein, when monitoring described synchronizing signal, also comprises:
Receive described synchronizing signal;
Control alternately open and close of described left and right sides LCD eyeglass according to the synchronizing signal of described reception.
14. control method as claimed in claim 13, the quality of the synchronizing signal that also comprises detection and received, wherein,
When the synchronizing signal that is received is of poor quality, produce synchronizing signal, and utilize the synchronizing signal that is produced to control alternately open and close of described left and right sides LCD eyeglass.
15. as claim 13 or 14 described control methods, wherein, the step of controlling the open and close of described left and right sides LCD eyeglass also comprises:
The required driving voltage of described left and right sides LCD eyeglass is increased to needed voltage; And
According to described synchronous control signal, control alternately open and close of described left and right sides LCD eyeglass.
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| CN102271274A (en) * | 2011-09-09 | 2011-12-07 | 利尔达科技有限公司 | Method for improving performance of three-dimensional (3D) shutter glasses and hardware system |
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| CN102681182A (en) * | 2012-04-28 | 2012-09-19 | 深圳市亿思达显示科技有限公司 | Three-dimensional (3D) glasses and automatic on/off control method thereof |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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