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Topic: LCD shutter glasses

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	LCD shutter glasses - Wikipedia, the free encyclopedia
		LCD shutter glasses are glasses used in conjunction with computers to create the illusion of a three dimensional image, an example of stereoscopy.
		Glass containing liquid crystal and a polarizing filter has the property that it becomes dark when voltage is applied, but otherwise is translucent.
		A pair of eyeglasses can be made using this material and connected to a computer video card.
	en.wikipedia.org /wiki/LCD_shutter_glasses (291 words)

	STEREO VIDEO \| Display Adapters
		Shutter glasses such as the ones used in this project have a small circuit that generates an AC signal that powers the LCD panels in the glasses.
		The output of the shutter control circuit is sent to a DB-25 connector that mates to the one on the McNaughton shutter adapter (which generates the AC signal needed to operate the shutter glasses).
		The electronics required by the shutter glasses is minimal - usually just an oscillator that generates the AC signal for the glasses, and a left/right control generated by the incoming interlace signal.
	stereo-video.home.att.net /section6.htm (2090 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		Even if the LCD shutters were absolutely perfect and did not allow any light through when blocking out the appropriate image to the appropriate eye, when the shutter opens to show the successive image, there is still a dim image retained from the previous eye-image by the monitor's phosphor.
		For example, if polarized glassed are to be used to view the 3-D images, the creation of the source images will comprise sending the source images to two projectors and filtering the projected images with two complementary polarized filter.
		It is the responsibility of the shutter glasses to correctly modulate the opening and closing of the shutters so that the left source image is only visible to the left eye through the left eye lens of the glasses.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/69944.010920&ELEMENT_SET=DECL (4936 words)

	HOW SHUTTER GLASSES WORK (Site not responding. Last check: 2007-10-15)
		What is really going on is the glasses lenses are made up of a clear LCD panel that can either pass your vision on or off for each lens.
		The 3D video signal is usually viewed while wearing a pair of LCD shutter glasses which only allow the left eye to see left images and the right eye to see right images.
		It is not possible to sync the shuttering of the glasses to a television that refreshes at a random rate.
	www.viewmasterqueen.com /howwork.html (317 words)

	About the CAVE (Site not responding. Last check: 2007-10-15)
		Infrared Crystal Eyes active stereo LCD shutter glasses are used in conjunction with the projectors to provide true stereo at an ideal rate of sixty frames per second (thirty frames per second for each eye), however, this frame rate varies greatly with each individual application.
		The special glasses that you wear in the CAVE are actually shutter glasses that make the right lens become opaque when the image for the left eye is being displayed and vice-versa, so that each eye only sees the image designed for it.
		The tracked glasses are identical to the rest of the shutter glasses used in the CAVE except that they have a wire attached to them that is attached to the Tracker Control Unit.
	cave.ncsa.uiuc.edu /about.html (1474 words)

	Shutter Glasses
		I have a set of wireless 3D glasses (they are battery powered and controlled via an IR unit that is hooked to a dongle that sits between the video card and the monitor input).
		The new glasses invert the parallax of 3D objects so that 2D overlays (which don't move) appear to have the largest parallax, and hence float in FRONT of rather than behind the scenery.
		I too have a set of LCD shutter glasses that work with my nVidea card- I was using them to play Kingpin when I downloaded and ran one of the demos in the library here, and forgot I had the glasses enabled.
	www.blitzbasic.com /Community/posts.php?topic=26006 (362 words)

	Shutterglass Viewing
		LCD shutter glasses alternately block out light coming to the left and right eyes.
		The shutters are synchronized (by a wire or an IR signal) with the sequential presentation of the left and right images to the monitor by your graphics board.
		Most shutter glasses come with software to perform the decomposition of a left-right stereo-jpeg (.jps) pair into the two pages that are subsequently flipped by your graphics adapter.
	www.crystalcanyons.net /abouts/3dc4_Shutter.htm (361 words)

	Stereoscopic LCD shutter glass driver system (US6529175)
		A stable, predictable field ID signal is produced by the flip flop whose two complimentary outputs act as inputs to a second flip flop chip which produces the drive signals for the LCD shutter glasses.
		A third flip flop produces a LCD "common" signal that is sent to both LCD shutters.
		A field swap between the two shutters is implemented with a switch located at the output of the third flip flop.
	www.delphion.com /details?pn=US06529175__ (403 words)

	3D Glass
		In the LCD shutter glass 3D display, the left and right images are alternated rapidly on the monitor screen.
		The most common way to connect the glasses is that the LC shutter glasses are wired to a controller which is connected to video source what you want to watch (usually computer or VCR).
		The LCD panels in front of both eyes are controlled so that one eye sees one screen image and the other eye sees the second image etc. With normal TV it was possible to show 25 or 30 images per second (depending on TV standard used) to both eyes.
	www.epanorama.net /documents/pc/3dglass.html (4786 words)

	GameDev.net - Product Review - E-D® 3-D glasses (Site not responding. Last check: 2007-10-15)
		With the blue-red glasses, it's because your "blue" eye can still see a bit of the "blue" picture that should be invisible.
		While VGA LCD monitors are still readily available, most new video cards and LCD monitors are talking to each other via DVI-D, and eDimensional's stuff doesn't grok DVI-D. After "downgrading" my cable setup on my Dell 2001FP, I was able to get the eDimensional glasses working on it, but the effect wasn't very good.
		The other problem is that LCD monitors don't work at very high refresh rates compared to newer CRT monitors, so I got loads of blinking and ghosting.
	www.gamedev.net /features/reviews/productreview.asp?productid=569 (1235 words)

	STEREO VIDEO \| Synchronization Circuit Board
		First, shutter glasses have some delay between the change of signal and the actual switching of the glasses.
		When using the glasses, adjusting the pot will allow you to see a fl bar that indicates the LCD shutter switching between the two frames.
		When that happens, the both LCD shutters are enabled, and the pot should be backed off until it is evident (from the flicker) that the shutters are again being operated.
	stereo-video.home.att.net /section4.htm (1103 words)

	Review: ASUS VR-100 LCD 3D glasses
		When I held the glasses up to a mirror and looked through one lens, I shouldn't have been able to see anything through the other lens reflected in the mirror, since whenever the lens I was looking through was clear, the other one should have been opaque.
		Cheap 3D glasses like the VR100 set do their magic by means of LCD (Liquid Crystal Display) shutters, which let only one eye see your monitor at a time, and flicker very rapidly so you get the illusion of a continuous image.
		The glasses synchronise to the monitor's screen refresh rate, so each eye is uncovered when the monitor's showing the image that eye should see.
	www.dansdata.com /vr100.htm (1881 words)

	Halfbakery: 3D Glasses Attachment (Site not responding. Last check: 2007-10-15)
		With CPU speeds of modern PDAs at a blazing 400MHz and rising, I think it could be feasable for a PocketPC device to produce 2 graphic perspectives instead of one; and it's not hard to drive a set of LCD shutter glasses.
		And: The LCD screen used by the iPAQ and other displays doesn't refresh quickly enough to implement frame-sequential stereo vision with LCD shutter glasses, so it wouldn't work anyway.
		And you have a point in that the LCD display could be a problem; not as much in the refresh rate, which I think is do-able, but in the image latency problems that LCD displays have.
	www.halfbakery.com /lr/idea/3D_20Glasses_20Attachment (444 words)

	IMAX 3D--TERRIFIC FORMAT, MODEST RESULTS
		The original LCD shutter glasses were quite bulky and IMAX has improved them, adding integral stereo speakers and a button that gives the user the choice of Japanese or English.
		Even the cheap glasses used in some of the consumer LCD shutter glasses systems are able to avoid this problem.
		Perhaps this is due to varying print density in the negatives or prints, shutter variations in the projectors or cameras or optical printers, or even variations in the LCD shutters, or a combination of them all.
	www.stereo3d.com /imax_mstarks.htm (1298 words)

	Tips - Stereo (Site not responding. Last check: 2007-10-15)
		The basic idea is to alternately open the left and right shutter of the lcd glasses as the display quickly alternates between the left and right views of a stereo image.
		The main issue is the extinction rate of the lcd panels, as well as the transmission rate once the lenses are closed.
		Whether you use a monochrome or color monitor, be aware that the light emissions from different phosphors decay at different rates, and that even a white "monochrome" phosphor at the microscopic level is actually a mixture of several different phosphors with different dominant wavelengths and decay rates.
	vision.nyu.edu /Tips/Stereo.html (968 words)

	The Adrenaline Vault Review of ELSA 3D REVELATOR (Site not responding. Last check: 2007-10-15)
		The LCD shutter glasses themselves resemble the H3D eyewear; in fact, the only visible difference besides the brand marking are the larger LCD shutter panels on the ELSA unit.
		The larger LCD shutters on the ELSA unit are noticeably more effective than the H3D eyewear.
		The wired LCD shutter glasses come with a thin 8-foot wire, making it easy to route around anything, yet still provide enough space to move.
	www.avault.com /hardware/print_review.asp?review=3drevelator (1273 words)

	LCD Glasses (Site not responding. Last check: 2007-10-15)
		In particular, in IMAX shutter glasses, the blinking shutter interval is 48 times per second.
		Similarly, the image on the screen alternate sequentially with the shuttering of the glasses.
		The screen displays only the left view while the right lens of the glasses shutters, and display the right view while the left lens of the glasses shutters.
	www.uweb.ucsb.edu /~cathy_tran/lcdglasses.htm (180 words)

	YASARA - Products
		This includes many features you often miss: unlimited undo/redo, macro recorder, quad-buffered stereo with shutter glasses or the DTI virtual window.
		Shutter glasses allow you to watch your molecules in true 3D with photorealistic image quality, thanks to YASARA's optimized graphics engine.
		YASARA also functions with glasses from NUVision, which are however much more expensive and do not use the DDC sync signal (i.e.
	www.yasara.org /products.htm (1735 words)

	Pangea Software: Nanosaur 2 Anaglyph or LCD Shutter Glasses
		Anaglyph glasses are the traditional cardboard 3D glasses that have been used for over 50 years in film and print.
		CrystalEyes Workstation Shutter glasses from StereoGraphics are amazing because there is no color distortion in the image, so it’s like looking thru a glass window into a 3D universe.
		There are several types of shutter glasses out there, but the only kind that will work with OpenGL on Mac OS X are the CrystalEyes Workstation from StereoGraphics.
	www.pangeasoft.net /nano2/3dglasses.html (393 words)

	Connecting stereo glasses to SGI workstations (Site not responding. Last check: 2007-10-15)
		Now I thought it wouldn’t be too hard to connect these glasses to an Indy since all these glasses work on the same principle, or at least the glasses which use a standard monitor.
		The shutters used in these glasse are LCD (liquid crystall display).
		Because the principle is the same with all LCD-shutter glasses, you can use this circuit and the ASUS 3D glasses on all systems.
	www.roosmcd.dds.nl (1731 words)

	Review: VRJoy 3D glasses and adapter hardware for PCs
		The trouble with the VRJoy, and with all LCD shutterglasses, is that it's not possible to prevent each eye from seeing, at least dimly, the other eye's image.
		I am charitable about ASUS' 3D glasses because, if you've already got an ASUS video card they work with, they'll only cost you $69 Australian for the glasses and their adapter board, or only $45 if you've got one of the top-spec cards with the shutterglasses socket already on it.
		The glasses are as good as any other shutterglasses, the Controller is actually quite elegant and, when the software's ready for prime time, this will be a good package for the money.
	www.dansdata.com /vrjoy.htm (1918 words)

	Optimizing Stereo Video Formats for Projection Based Virtual Reality (Site not responding. Last check: 2007-10-15)
		When designing projection-based virtual reality devices, the integration of LCD shutter glasses, high-end graphics computers, and large-scale video projectors can be difficult.
		Integrating LCD shutter glasses, high-end graphics computers, and large-scale projectors is difficult.
		Wearing CrystalEyewear glasses, you will notice the defect, illustrated in Figure 1(B), at the top of the video frame-at the top edge of the video frame, the left and right eye images are swapped.
	www.evl.uic.edu /lindahl/PAPERS/stereo.html (887 words)

	Virtual FX
		These issues pertain to the Virtual FX and the LCD shutter glasses sold at razor3donline.
		If you are positioned too far to the left or right of the television, the glasses may not receive the signal clearly.
		The LCD lenses of the glasses are designed to flicker — or open and close — in sync with the refresh rate of your television.
	www.razor3donline.com /h5main.html (317 words)

	physics
		3-D polarized glasses are worn that have a different polarization in each lens which allows only one image into each eye (4).
		The LCD shutter glasses are connected by cables or wireless to a monitor that syncs the glasses with the image being projected.
		Other types of shutter glasses that don't involve LCD are also available, and they use the same principle to create a 3-D image (2).
	www.unc.edu /~fahmy/physics.html (356 words)

	InFocus™DepthQ™ Stereoscopic Video Projector by Lightspeed Design
		Are LCD shutter glasses and an infra-red emitter included?
		A: Active LCD shutter glasses are used to create the stereo effect.
		The glasses are synchronized with this stream and block images so that the right eye only sees the right image and the left eye only sees the left.
	www.depthq.com /faq.html (2258 words)

	nV News Forums - do 3d glasses really work?
		To add to the confusing the shutter glasses leak light meant for the opposite eye, so you can see a double image "ghosting" effect.
		If you keep the effect turned down real low then the glasses are easier to use, but you still get some ghosting and the 3D effect is much less.
		Also, shutter glasses give me, and everyone who's ever used them splitting headaches and pain behind the eyes.
	www.nvnews.net /vbulletin/printthread.php?t=2285 (1658 words)

	Anaglyph Stereo (Site not responding. Last check: 2007-10-15)
		The user must wear glasses with colored lenses, such as the red-blue glasses one finds at some sci-fi and horror movie showings.
		The computer hardware requirements for Anaglyph stereo are currently the same as for CrystalEyes stereo except that no LCD shutter glasses and emitters are not required.
		The red-blue glasses take the place of the LCD shutter glasses used for the CrystalEyes stereo modes.
	www.ks.uiuc.edu /Research/vmd/vmd-1.7/ug/node98.html (140 words)

	LCD Glasses - Non-Gaming - ALL - Discussion Forum /// Eurogamer
		There are quite a few different companies still making and selling LCD shutter glasses.
		oh, I hope everyone hasnt missunderstood me, I mean the glasses that have screens in them for tv/video, not 3d shutter glasses...
		However have just done a google and found a nice pair of 3d shutter glasses, wireless and with a convertor for ps2 and dvd.
	www.eurogamer.net /forum_thread_posts.php?thread_id=26850&forum_id=1 (492 words)

	Stereo Glasses Description (Site not responding. Last check: 2007-10-15)
		Stereo in the CAVE is created through the use of Crystal Eyes LCD shutter glasses.
		There is no need to take off your glasses before putting on the Crystal Eyes glasses, the glasses should be placed right over one's existing eyewear.
		The glasses are battery powered and are turned on and off by pressing a soft button located on the right side of the temple arm-piece.
	www.evl.uic.edu /EVL/VROOM/HTML/OTHER/StereoGlasses.html (129 words)

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