CN1206843A - Wireless liquid crystal shutter stereo imaging device - Google Patents
Wireless liquid crystal shutter stereo imaging device Download PDFInfo
- Publication number
- CN1206843A CN1206843A CN 97115188 CN97115188A CN1206843A CN 1206843 A CN1206843 A CN 1206843A CN 97115188 CN97115188 CN 97115188 CN 97115188 A CN97115188 A CN 97115188A CN 1206843 A CN1206843 A CN 1206843A
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- liquid crystal
- crystal shutter
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- lcd
- switching signal
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Abstract
The wireless liquid-crystal shutter stereo image display device includes a computer main frame, a VGA plotting card, a synchronous switching signal transmitter, an external synchronous switching signal receiver which can be carried by user and a liquid-crystal shutter stereo glasses which can be designed and made into the different forms. The synchronous signal transmitted by synchronous switching signal transmitter is received by external synchronous switching signal receiver, and is matched with the actuating/inhibiting signal, polarity-setting signal and frequency-removing signal so as to can respectively give out driving signals to control the liquid-crystal shutter elements positioned at left and right two sides of the stereo glasses.
Description
The present invention relates to a kind of stereo imaging device, be meant a kind of wireless liquid crystal shutter stereo imaging device especially.
In traditional computer imaging technique, most of literal and simple image of just on computer screen, demonstrating.Along with the raising of computer technology and user's demand, multimedia has become the new lover in the computer field, and along with the quick raising of the maturation and the computer hardware performance of computer solid video picture technology, the application of solid video picture will become another focus in the computer field after multimedia.
In the correlation technique of relevant solid video picture, popularize and become the attaching device of computer indispensability rapidly with liquid crystal shutter stereo glasses (LCDShutter Glasses) most probable of low cost.Except the liquid crystal shutter stereo glasses of line formula, the liquid crystal shutter stereo glasses of wireless type also become popular new product.
The liquid crystal shutter stereo glasses of wired formula are to utilize signal transmssion line to transmit the drive signal of liquid crystal shutter, can directly drive and the switchable liquid crystal shutter.Because the design of this wired formula must rely on signal wire to transmit signal, therefore between computer system and liquid crystal shutter stereo glasses, need be connected with signal wire, cause yoke in the use through regular meeting, make use inconvenient.
The liquid crystal shutter stereo glasses of wireless type, therefore be to utilize infrared light-wave to transmit the driving liquid crystal shutter, in the circuit of the liquid crystal shutter stereo glasses of wireless type, need design one electronic circuit receive this signal, and, just can reach the switching purpose of liquid crystal shutter with its amplification.Because wireless type signal load mode minuses a signal line, give the more convenience of user in the use.Yet, because electronic circuit must be arranged on the picture frame inside of glasses, not only can increase manufacturing cost for general wireless type shutter stereo glasses, also can increase the weight of glasses, also cause simultaneously the multiple restriction in the glasses appearance design, influenced the attractive in appearance of glasses moulding.
The objective of the invention is to: a kind of wireless liquid crystal shutter stereo imaging device is provided, it can be improved the shortcoming of above-mentioned conventional art, this stereo imaging device is to the design of liquid crystal shutter stereo glasses, make its can realize gently, approach, handsome in appearance, have height applicability and different structural forms, and its receiver can be hung on one's body the user.
The objective of the invention is to adopt following technical measures to realize: a kind of wireless liquid crystal shutter stereo imaging device, it be cooperate a host computer and be plugged on this host computer interface card insertion slot the VGA drafting card or be installed in VGA drafting card on the motherboard as the device of solid video picture.This device includes a synchronous switching signal transmitter, the synchronous switching signal receiver of a circumscribed and liquid crystal shutter stereo glasses.The switching signal transmitter is connected to the VGA drafting card by a vertical synchronization signal line synchronously, when receiving vertical synchronizing signal, can launch the synchronizing signal of infrared ray form.The synchronizing signal that synchronous switching signal transmitter is launched receives through the synchronous switching signal receiver of circumscribed, sends activation/disable signal, to send the liquid crystal shutter element of the left and right sides in the drive signal control liquid crystal shutter stereo glasses respectively.
The synchronous switching signal receiver of circumscribed is outer being connected on the liquid crystal shutter stereo glasses, and can hang and be attached on one's body the user, and its power supply method of supplying can be solar cell or general battery, and both share in the lump.
Owing to adopt technique scheme, the synchronizing signal that synchronous switching signal transmitter in the wireless liquid crystal shutter stereo imaging device of the present invention is launched receives via the synchronous switching signal receiver of circumscribed, cooperate activation/disable signal to send the liquid crystal shutter element of the left and right sides in the drive signal control liquid crystal shutter stereo glasses respectively, realize the switching of liquid crystal shutter.Apparatus of the present invention have the synchronous switching signal receiver of a circumscribed, it can be hung and be attached on one's body the user, need this device is combined in the glasses body and needn't resemble traditional wireless type glasses, glasses overall weight of the present invention is alleviated, the picture frame volume is also reduced.The weight that allows the user needn't bear glasses can be enjoyed the enjoyment of stereoscopic vision again.Simultaneously apparatus of the present invention can be made the liquid crystal shutter stereo glasses handsome in appearance have height applicability and different structure form, be adapted to wear glasses and not the people with glasses use.And utilize solar cell as the energy with cost saving.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 and Figure 1A are the stereo appearance figure of the embodiment of the invention
Fig. 2 is a system block diagrams of the present invention
Fig. 3 is the circuit block diagram of synchronous switching signal transmitter among Fig. 2
Fig. 4 is the circuit block diagram of synchronous switching signal receiver among Fig. 2
Fig. 5 is the sequential chart of each coherent signal in the displayed map 4
Fig. 6 is applicable to not people with glasses's liquid crystal shutter stereo eyeglasses body stereographic map for showing among the present invention
Fig. 7 is the stereographic map that is applicable to the liquid crystal shutter element among Fig. 6
Fig. 8 is for showing the liquid crystal shutter stereo eyeglasses body stereographic map that is applicable to the people with glasses among the present invention
Fig. 9 is the stereographic map that is applicable to the liquid crystal shutter element among Fig. 8
Among the figure, 1. host computer 11.VGA drafting card 2. monitors 3. synchronous switching signal transmitters
31. signal buffer 32. infrared transmitter 33. power supply circuits
34. synchronous switching signal receiver 41. infrared receivers of power light 4. circumscribeds
42. polarity detects comparer 43. frequency eliminators 44. control modules
45. liquid crystal shutter driving signal generator 46. change-over switches 47. power supply circuits
48. power light 5. liquid crystal shutter stereo glasses 51. polaroid glasses
51 '. general glasses 52.LCD protects frame 53. liquid crystal shutter elements
531.LCD liquid crystal layer 532. polarizing layers 533. glassy layers 54. picture frame anchor clamps
6. lead
Fig. 1 and Figure 1A are depicted as the stereo appearance figure of the embodiment of the invention.Fig. 2 is a system block diagrams of the present invention.By as can be known graphic, composition member of the present invention mainly includes a host computer 1, a VGA drafting card 11, a monitor 2, one synchronous switching signal transmitter 3, the synchronous switching signal receiver 4 of a circumscribed, liquid crystal shutter stereo glasses 5; Wherein switching signal transmitter 3 can utilize external mode to be connected (as shown in Figure 1) with host computer synchronously, also can install on monitor 2 (shown in Figure 1A).Wherein VGA drafting card 11 is plugged in the interface card insertion slot of host computer 1, and is connected with monitor 2 by a signal wire, and another vertical synchronization signal line Vsync then is connected to synchronous switching signal transmitter 3.The signal that synchronous switching signal transmitter 3 is launched receives through the synchronous switching signal receiver 4 of a circumscribed, is linked in the liquid crystal shutter stereo glasses 5 through a signal wire again.Wherein the synchronous switching signal receiver 4 of circumscribed can hang over the user front, bear its weight by clothes, and traditional wireless type glasses need this device is combined in the glasses body, have increased the weight of glasses integral body, and circuit, picture frame also need strengthen, and cause the discomfort when using.
Fig. 3 is the circuit block diagram of synchronous switching signal transmitter 3 among Fig. 2, it includes: a signal buffer 31, an infrared transmitter 32, a power supply circuit 33, a power light 34, wherein signal buffer 31 is after the synchronizing signal that receives by vertical synchronization signal line Vsync, launch infrared signal by infrared transmitter 32 and receive, to obtain synchronously for the synchronous switching signal receiver 4 of circumscribed.Power supply circuit 33 is the required working powers of supply foregoing circuit, and the state of power supply supply then can be indicated by power indicator 34.
Fig. 4 is the circuit block diagram of synchronous switching signal receiver among Fig. 2, and it includes: an infrared receiver 41, a polarity detect comparer 42, a frequency eliminator 43, a control module 44, a liquid crystal shutter driving signal generator 45, a switching switch 46.Infrared receiver 41 wherein can receive the vertical synchronizing signal Vsync of the infrared signal form that infrared transmitter shown in Figure 3 launches, detect the positive-negative polarity that detects Vsync of comparer 42 through polarity, and the signal that can send one activation/forbidden energy (Enable/Dis-able) is to control module 44, this control module 44 is according to receiving activation/disable signal, and by frequency eliminator 43 (present embodiment is for removing 2 frequency eliminator, the frequency that is Vsync removes half) behind the vertical frequency elimination signal Vsync/2 that sent, the drive signal that liquid crystal shutter driving signal generator 45 can be produced is sent to a left side in the liquid crystal shutter stereo glasses 5 through change-over switch 46, right both sides liquid crystal shutter element.Polarity by the Vsync signal detects and comparison, and can reach the control of automatic switch glasses.By means of the target of change-over switch may command liquid crystal shutter drive signal transmission, and the purpose of switching about can reaching.
In the circuit shown in Figure 4, also have power supply circuit 47 and power light 48, power supply circuit 47 is required working powers of circuit of synchronous switching signal receiver among supply Fig. 4, the state of power supply supply then can be indicated by power indicator 48, and the power supply method of supplying can merge use by solar cell or both.In addition, polarity detects comparer 42 also can have the control end that polarity is set, as shown in the figure, polarity is set polarity with vertical synchronizing signal Vsync when consistent, glasses are opened (vice versa), and polarity is set with the polarity of vertical synchronizing signal Vsync when inconsistent, and glasses cut out (vice versa).
Fig. 5 is the sequential chart of each coherent signal in the displayed map 4, wherein vertical synchronizing signal Vsync promptly obtains the signal of Vsync/2 behind frequency elimination, and the drive signal that liquid crystal shutter driving signal generator 45 is produced is the form that is pulse wave, with the source driving signal as liquid crystal shutter element (LCD Shutter).When polarity was set at positive polarity, activation/disable signal also was the accurate position of high state.Therefore, under above-mentioned arrangement, when frequency elimination signal Vsync/2 was the accurate position of high state, drive signal was sent to the liquid crystal shutter element on right side, and this moment, the liquid crystal shutter element on right side was light tight, and the liquid crystal shutter element printing opacity in left side.And when frequency elimination signal Vsync/2 was the accurate position of low state, drive signal was sent to the liquid crystal shutter element in left side, this moment the right side liquid crystal shutter element printing opacity, and the liquid crystal shutter element in left side is light tight.
Above-mentioned signal arrangement is as the embodiment explanation, is not in order to limitation the present invention.In the actual product design, its signal can be different according to the direction setting of Polarizer on the eyeglass of liquid crystal shutter element, yet this type of change should also belong within the invention scope of the present invention.
Fig. 6 is applicable to not people with glasses's liquid crystal shutter stereo eyeglasses body stereographic map for showing among the present invention, and Fig. 8 is for showing the liquid crystal shutter stereo eyeglasses body stereographic map that is applicable to the people with glasses among the present invention.Wherein shown in Figure 6 is to be fixed with a LCD in the front side of polaroid glasses 51 (polarization direction is shown in two arrows among the figure) by picture frame anchor clamps 54 to protect frame 52.LCD protects frame 52 and is the usefulness in order to location liquid crystal shutter element 53.Wherein picture frame anchor clamps 54 can be fixed on the liquid crystal shutter element on the general frame simply.The side that LCD protects frame 52 is connected with lead 6, for being connected to the synchronous switching signal receiver 4 of above-mentioned circumscribed.
Shown in Figure 7 is the stereographic map that is applicable to the liquid crystal shutter element 53 among Fig. 6, and it includes a LCD liquid crystal layer 531, is positioned at the glassy layer 533 and a polarizing layer 532 of LCD liquid crystal layer 531 both sides.
Figure 8 shows that and show the liquid crystal shutter stereo eyeglasses body stereographic map that is applicable to the people with glasses among the present invention, it be general glasses 51 ' the front side be fixed with a LCD by picture frame anchor clamps 54 and protect frame 52, have equally as liquid crystal shutter element 53 shown in Figure 6 and lead 6 in this structure.
Shown in Figure 9 is the stereographic map that is applicable to the liquid crystal shutter element 53 among Fig. 8, and it includes a LCD liquid crystal layer 531, is positioned at glassy layer 533 and two polarizing layers 532 that lay respectively at LCD liquid crystal layer 531 both sides of LCD liquid crystal layer 531 both sides.
Claims (10)
1. wireless liquid crystal shutter stereo imaging device, it be cooperate a host computer (1) and be plugged on this host computer (1) interface card insertion slot VGA drafting card (11) or be installed in VGA drafting card on the motherboard as the device of solid video picture, this device includes a synchronous switching signal transmitter (3), the synchronous switching signal receiver of one circumscribed (4), one liquid crystal shutter stereo glasses (5), it is characterized in that: said synchronous switching signal transmitter (3) is by a vertical synchronization signal line, be connected to VGA drafting card (11), when receiving vertical synchronizing signal, can launch the synchronizing signal of infrared ray form; The synchronizing signal that synchronous switching signal transmitter (3) is launched receives through the synchronous switching signal receiver of circumscribed (4), send activation/disable signal, to send the liquid crystal shutter element (53) of the left and right sides in the drive signal control liquid crystal shutter stereo glasses (5) respectively.
2. wireless liquid crystal shutter stereo imaging device according to claim 1, it is characterized in that: the synchronous switching signal receiver of said circumscribed (4) is outer being connected on the liquid crystal shutter stereo glasses (5), and can hang and be attached on one's body the user, its power supply method of supplying can be solar cell or general battery, and both can share in the lump.
3. wireless liquid crystal shutter stereo imaging device according to claim 1 is characterized in that: said synchronous switching signal transmitter (3) can utilize external mode to be connected with host computer (1).
4. wireless liquid crystal shutter stereo imaging device according to claim 1 is characterized in that: switching signal transmitter (3) can install on monitor (2) synchronously.
5. wireless liquid crystal shutter stereo imaging device according to claim 1, it is characterized in that: switching signal receiver (4) includes an infrared receiver (41) synchronously, one polarity detects comparer (42), one frequency eliminator (43), one control module (44), one liquid crystal shutter driving signal generator (45), one switches switch (46), infrared receiver wherein (41) can receive the vertical synchronizing signal of the infrared signal form that the circumscribed infrared transmitter launched, detect detecting of comparer (42) through polarity, send activation/disable signal in control module (44), control module (44) is receiving activation/disable signal, and behind the frequency elimination signal of being sent by frequency eliminator (43), the left side of drive signal in change-over switch (46) control liquid crystal shutter stereo glasses (5) that liquid crystal shutter driving signal generator (45) is produced, right both sides liquid crystal shutter elements (53).
6. wireless liquid crystal shutter stereo imaging device according to claim 5 is characterized in that: said frequency eliminator (43) is to remove 2 frequency eliminator, removes 2 frequency elimination signal to send a vertical synchronizing signal.
7. wireless liquid crystal shutter stereo imaging device according to claim 1, it is characterized in that: said liquid crystal shutter stereo glasses (5) include polaroid glasses (51), picture frame anchor clamps (54), a LCD protect frame (52) and be fixed on LCD protect in the frame about two liquid crystal shutter elements (53), wherein picture frame anchor clamps (54) are in order to protect LCD frame (52) simply and liquid crystal shutter element (53) is fixed on the frame, the side that LCD protects frame (52) is connected with lead (6), is connected to the synchronous switching signal receiver of circumscribed (4).
8. wireless liquid crystal shutter stereo imaging device according to claim 7, it is characterized in that: liquid crystal shutter element (53) includes a LCD liquid crystal layer (531), is positioned at the glassy layer (533) of LCD liquid crystal layer (531) both sides, and one is arranged on the wherein polarizing layer (532) in the LCD liquid crystal layer outside.
9. wireless liquid crystal shutter stereo imaging device according to claim 1, it is characterized in that: said liquid crystal shutter stereo glasses (5) include picture frame anchor clamps (54), a LCD protect frame (52) and be fixed on LCD protect in the frame (52) about two liquid crystal shutter elements (53), wherein picture frame anchor clamps (54) are to be fixed on general user and to wear with on the frame of glasses in order to simply LCD is protected frame (52) and liquid crystal shutter element (53), the side that LCD protects cabinet (52) is connected with lead (6), is connected to the synchronous switching signal receiver of circumscribed (4).
10. wireless liquid crystal shutter stereo imaging device according to claim 9, it is characterized in that: liquid crystal shutter element (53) includes a LCD liquid crystal layer (531), be positioned at the glassy layer (533) of these LCD liquid crystal layer (531) both sides, and two polarizing layers (532) that lay respectively at LCD liquid crystal layer (531) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97115188 CN1075920C (en) | 1997-07-30 | 1997-07-30 | Wireless liquid crystal shutter stereo imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97115188 CN1075920C (en) | 1997-07-30 | 1997-07-30 | Wireless liquid crystal shutter stereo imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1206843A true CN1206843A (en) | 1999-02-03 |
| CN1075920C CN1075920C (en) | 2001-12-05 |
Family
ID=5173185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97115188 Expired - Fee Related CN1075920C (en) | 1997-07-30 | 1997-07-30 | Wireless liquid crystal shutter stereo imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1075920C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033354A (en) * | 2009-10-07 | 2011-04-27 | 东芝移动显示器有限公司 | Liquid crystal shutter and display system using the same |
| CN102036096A (en) * | 2009-09-25 | 2011-04-27 | 索尼公司 | Signal generation apparatus and shutter spectacles |
| EP2325686A1 (en) * | 2009-11-17 | 2011-05-25 | Samsung Electronics Co., Ltd. | Shutter glasses for stereoscopy, image display system comprising the same and control method thereof |
| CN102187385A (en) * | 2008-10-20 | 2011-09-14 | 日本电气株式会社 | Image display system, image control device, method for controlling image and light shutter |
| CN102207628A (en) * | 2010-10-18 | 2011-10-05 | 东莞市睿立宝来光电科技有限公司 | Configuration method for split application and integrated application of electronic control module and electro-optical control module of stereo glasses |
| CN102263972A (en) * | 2010-05-25 | 2011-11-30 | 晨星软件研发(深圳)有限公司 | 3D Display Control Device and Method Thereof |
| CN102269875A (en) * | 2010-06-04 | 2011-12-07 | 索尼公司 | Shutter eyeglasses |
| WO2012083523A1 (en) * | 2010-12-21 | 2012-06-28 | 海尔集团公司 | Eyeglass, shutter eyeglasses, stereoscopic display system |
| CN102695072A (en) * | 2011-03-21 | 2012-09-26 | 三星电子株式会社 | Display apparatus, control method thereof, shutter glasses and control method thereof |
| CN102902070A (en) * | 2011-07-28 | 2013-01-30 | 株式会社伊连特 | Multi-image viewing liquid crystal shutter glasses |
| CN105301786A (en) * | 2010-06-30 | 2016-02-03 | 松下知识产权经营株式会社 | Optical device |
-
1997
- 1997-07-30 CN CN 97115188 patent/CN1075920C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187385A (en) * | 2008-10-20 | 2011-09-14 | 日本电气株式会社 | Image display system, image control device, method for controlling image and light shutter |
| US8696132B2 (en) | 2008-10-20 | 2014-04-15 | Nec Corporation | Image display system, image control apparatus, image control method, and optical shutter in which plural kinds of information are multiplexed and displayed on a display surface |
| CN102187385B (en) * | 2008-10-20 | 2014-03-12 | 日本电气株式会社 | Image display system, image control device, method for controlling image and light shutter |
| CN102036096A (en) * | 2009-09-25 | 2011-04-27 | 索尼公司 | Signal generation apparatus and shutter spectacles |
| CN102033354B (en) * | 2009-10-07 | 2014-04-09 | 株式会社日本显示器中部 | Liquid crystal shutter and display system using same |
| CN102033354A (en) * | 2009-10-07 | 2011-04-27 | 东芝移动显示器有限公司 | Liquid crystal shutter and display system using the same |
| EP2325686A1 (en) * | 2009-11-17 | 2011-05-25 | Samsung Electronics Co., Ltd. | Shutter glasses for stereoscopy, image display system comprising the same and control method thereof |
| CN102263972A (en) * | 2010-05-25 | 2011-11-30 | 晨星软件研发(深圳)有限公司 | 3D Display Control Device and Method Thereof |
| CN102263972B (en) * | 2010-05-25 | 2014-07-16 | 晨星软件研发(深圳)有限公司 | 3D display control device and method thereof |
| CN102269875A (en) * | 2010-06-04 | 2011-12-07 | 索尼公司 | Shutter eyeglasses |
| CN105301786A (en) * | 2010-06-30 | 2016-02-03 | 松下知识产权经营株式会社 | Optical device |
| CN102207628A (en) * | 2010-10-18 | 2011-10-05 | 东莞市睿立宝来光电科技有限公司 | Configuration method for split application and integrated application of electronic control module and electro-optical control module of stereo glasses |
| WO2012083523A1 (en) * | 2010-12-21 | 2012-06-28 | 海尔集团公司 | Eyeglass, shutter eyeglasses, stereoscopic display system |
| CN102695072A (en) * | 2011-03-21 | 2012-09-26 | 三星电子株式会社 | Display apparatus, control method thereof, shutter glasses and control method thereof |
| US8970683B2 (en) | 2011-03-21 | 2015-03-03 | Samsung Electronics Co., Ltd. | Display apparatus, control method thereof, shutter glasses and control method thereof |
| CN102902070A (en) * | 2011-07-28 | 2013-01-30 | 株式会社伊连特 | Multi-image viewing liquid crystal shutter glasses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1075920C (en) | 2001-12-05 |
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