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Topic: CRT projector

	Projector - Wikipedia, the free encyclopedia
		Projectors are used for displaying an image on a projection screen or similar surface for the view of an audience.
		Ceiling projector or cloud searchlight, used to measure the base of cloud heights
		Projector was also the name of a version control system developed by Apple Computer as part of the Macintosh Programmer's Workshop software development system.
	en.wikipedia.org /wiki/Projector (136 words)

	CRT projector - Wikipedia, the free encyclopedia
		A CRT projector is a video projector that uses a small, high-brightness CRT (or picture tube) as the image generating element.
		Most modern CRT projectors are colour and have three separate CRTs (instead of a single, colour CRT), and their own lenses to achieve colour images.
		The red, green and blue portions of the incoming video signal are processed and sent to the respective CRTs whose images are focused by their lenses to achieve the overall picture on the screen.
	en.wikipedia.org /wiki/CRT_projector (461 words)

	Product Review
		These bolts tilt the CRT face in relation to the rear lens element (there are two more bolts on the left side of the lens, out of the field of view in the photo).
		By tilting the CRT face in relation to the lens, all parts of the image can be in focus on the screen, even though the lens is pointed at vertical and horizontal angles to the screen.
		CRT color drift can be 300 K in ten minutes, so even though the color balance is adjusted using standards, you still might have to touch it up from time to time.
	www.hometheaterhifi.com /volume_8_4/zenith-pro-1200x-projector-11-2001.html (3042 words)

	CRT Mount
		I've been living with a CRT projector for a few months now, and I can say that the picture produced by one of these babies is phenomenal.
		CRT projectors are made of three cathode ray picture tubes, like those in regular TV's but with really long "necks", and a different color phosphor on each tube.
		CRT projectors are really designed for ceiling mount, on the floor they can get bumped, and the optimum position for the projector is usually the same as the optimal seating location, so something has to move.
	www.myhometheater.homestead.com /CRTmount.html (493 words)

	CRT Projector Primer/FAQ (Site not responding. Last check: 2007-10-11)
		I have had CRT projectors that came from railroad control centers with little railroad tracks permanently burned into the face of the tube, which are then projected along with the video image you are trying to view.
		Analog convergence is found on older or entry level projectors, and typically consist of 30 to 50 controls under the cover of the projector to align the geometry and convergence of the unit.
		Each CRT projector model has what is known as a 'sweet spot', depending on the tube size and construction, as well as the quality of the internal circuitry.
	www.moesrealm.com /hometheater/crt-projector-primer.html (11603 words)

	Crystal View 2 CRT Video Projector reviewed on AudioRevolution.com
		CRT’s of the past were (rightfully, in many cases) dubbed “maintenance nightmares” because of the need to continually adjust the convergence and other settings.
		While this projector comes with the complete installation package included in its price, its stability was quite notable as compared to other CRT projectors I have owned in the past.
		CRT projectors do require touch-up convergences and, unless you opt for a $1,900 ACON system (which automatically converges your projector), you will want to be able to do them yourself every few weeks without having to call a local dealer.
	www.avrev.com /equip/crystalview (2500 words)

	DVD Verdict: High Performance Home Theater On A Budget: Buying A Used CRT Projector
		Be aware, though, that on some projectors, the hour meter is pretty easy to reset—a dishonest seller can reset the hour meter, run it for a while, and then hawk it as a low-hour unit at a premium price.
		Projectors that have color filtered or color corrected lenses will have better color performance and be closer to SMPTE (Society of Motion Picture and Television Engineers) standards.
		Some higher end projectors might feature liquid coupled optics, in which there is a liquid medium that couples the CRT output to the lens.
	www.dvdverdict.com /columns/techtalk/crtbuying.php (4292 words)

	Projector FAQ'S
		A basic CRT is comprised of a cathode-ray in the neck of the tube and a
		In a CRT the phosphors are on the inside of the front glass and are excited by a beam of light from the cathode-ray.
		Most LCD projectors today have a fixed keystone factor (allowing the projector to be placed at about an 8-degree angle lower or higher than the center of the screen), but many allow you to adjust keystoning.
	cinemadave.com /Projector/FAQ.html (2645 words)

	Marquee CRT Projector FAQ (Site not responding. Last check: 2007-10-11)
		A: No, when the projector is turned off but still plugged into the mains the power supply fans will run at low speed but the hour counter does not run.
		The hour counter does run when the projector is is picture mute mode (Standby on the remote), however it is not recommended to leave the projector in this mode for extended periods of time.
		Doing this can help when the projector is going to run multiple scan rates, rather than a list of recall memories consisting of only horizontal and vertical frequencies you will have a list of descriptions as well.
	www.crtprojectors.co.uk /marquee_faq.htm (2632 words)

	Ultimate AV: Madrigal Imaging MP-9 CRT projector
		The MP-9 is one of the most expensive 9-inch CRT projectors on the market (its smaller sibling, the MP-8, is equipped with 8-inch tubes).
		Granted, top-rung CRT projectors still exceed the alternatives in every video quality except peak brightness, but the competition is closing in fast.
		Madrigal is hedging its bets a bit by also marketing a D-ILA projector, but the Madrigal folks also know that their customers want the best—if they have the resources and don't need a huge screen, they'll opt for the CRT.
	ultimateavmag.com /videoprojectors/30 (751 words)

	DIY CRT Projectors? - Lumenlab
		Crt commercial projectors exist I think, but I imaging they use use a very intense CRT tube, I don't know where you could get one of those anywhere else.
		I use to do it back in 1991 with CRT brighteners from MCM electronics when I was a kid reversing the polarization on the yoke.
		We use Barco CRT projectors at work and they are so bright that they need liquid cooling in front of the phospher.
	www.lumenlab.com /forums/index.php?showtopic=4918 (1148 words)

	New Projector
		A common question/issue with Barco CRT projectors is "My connection to the RGBHV ports (ports 3 and 5 on the 1208 and others) is not working, what's the problem?"
		For port 5, if you are connecting the projector to a PC you will need to force negative sync, which may require that you use a utility like
		CRT Fan Silence Project: Designed specifically for NEC XG class projectors, the concept is generally applicable to any CRT projector or other cooling fan for that matter.
	www.myhometheater.homestead.com /CRT.html (366 words)

	The Ultimate Image - Services (Site not responding. Last check: 2007-10-11)
		When we align and converge your CRT projector we offer you the choice of whichever resolution(s) you would prefer (see FAQ "What are the optimum high performance resolutions to use with my CRT projectors?").
		CRT Projector Calibration - One of the characteristics of CRT analog video projectors is that CRT's last a very long time however; the light output very slowly diminishes and the colors slowly drift from accurate to murky and unnatural looking.
		Also once we've set the CRT voltages at the proper levels the focusing ability of each CRT will be maintained or improved and light output will be right where it should be so as to maintain proper phosphor wear therein prolonging the life of the CRT's.
	theult.com /CMS/content/view/20/46 (742 words)

	Sony VPH-G70 CRT Projector (Site not responding. Last check: 2007-10-11)
		I found out that with the rise of small and cheap digital projectors that CRT projectors could be had for pennies on the dollar because lots of corporate boardrooms and government facilities were unloading them.
		The G70 is actually the second CRT projector I have had in my home theater.
		I have done all the setup and installation on my projector by myself or with the help of some non-techie friends and family to use as an extra set of eyes.
	www.moesrealm.com /hometheater/sonyG70.html (487 words)

	diyAudio Forums - crt projector lens
		I was hoping to use a fresnel lens as a field lens to converge the image onto the rear element of the objective lens (crt lens).
		I can get the fresnel to converge the image into the rear element of the lens, but it's like the CRT lens has a condensor lens at the rear element that is designed to bring in the whole image of the CRT face.
		But, if I remove the fresnel lens, and put the CRT lens up close to the LCD panel, I can easily project the image that is with it's field of view, and project it across the room in very good detail.
	www.diyaudio.com /forums/showthread.php?s=a7571cf4fd39b2a5c4df3d9b82a9b32c&goto=lastpost&threadid=51235 (1071 words)

	Ultimate AV: Elite Video EV-4600 CRT projector
		The evolution of three-gun CRT projectors began with an idea from visionary Henry Kloss, who, legend has it, created the best-selling Large Advent loudspeaker in the 1960s simply to fund research on his new-fangled video-projection system.
		Because the projector has only this type of input, an external video processor or scaler is necessary.
		I've found that learning how to set up a CRT projector is as simple as identifying the required controls and discovering the engineering team's quirks.
	www.guidetohometheater.com /videoprojectors/59 (1062 words)

	Home Theater: SIM2 SVD 800 HD CRT Front Projector
		A projector is one of the few ways for you to see the quality that the HDTV format has to offer.
		We've liked a number of their projectors in the past but were even more stunned by the SVD 800 HD when we caught a glimpse of it in Sèleco's suite at the HiFi show in Chicago.
		In some cases, the projector was a little too simple and didn't quite allow me to dial-in portions of the convergence as much as I'd like.
	www.hometheatermag.com /frontprojectors/29 (646 words)

	Sony VPH-D50HTU Wholesale & Retail - Home Theater CRT Projector (Site not responding. Last check: 2007-10-11)
		The projector has 42 memory blocks (50 in total) that can be assigned to an input signal, so that the best possible registration and picture control data for each input signal can be memorized.
		When a number of projectors are simultaneously used for a multi-screen display, a cascade or daisy chain connection of the ABL terminal on each projector is possible.
		As soon as a signal is fed to the projector or any of the control keys are pressed, the projector will resume operation.
	www.fhvideo.com /item.php?id=52 (653 words)

	Should I buy a used CRT Projector? - AudioEnz Forums
		Need a permanent install - CRT's require the Red, green and blue tube to be perfectly aligned so that there is no colour leakage on the screen creating a uniform picture, movement will put the tubes out of alignment requiring reconvergence.
		Picture is typically not as bright as modern LCD/DLP projectors and those CRT projectors will generally require total light control and sometimes a high(er) gain screen to achieve a decent picture.
		Set up includes mechanical alignment (ensuring projector is 100% square on to the screen), focus and convergence of the tubes.
	www.audioenz.co.nz /forums/showthread.php?threadid=1025 (733 words)

	Ultimate AV: Theater Automation Wow HD-800 CRT projector
		Such is the case with the newest entry in the residential CRT market, the Theater Automation Wow HD-800 CRT projector.
		In addition to the supplied wireless remote control, an identical unit is hidden beneath the front panel, this one hardwired to the projector with a 2-foot cable.
		Usually, I set up a projector to have a 5400-kelvin setting for proper fl-and-white rendering, a 6500K slot for regular television and movie viewing, and a 9300K setting for a bit more excitement with indoor sporting events, which leaves one slot open for additional uses.
	www.guidetohometheater.com /videoprojectors/2 (980 words)

	CRT Cathode Ray Tube Televisions Technology Information
		The CRT, or cathode ray tube, is the oldest technology currently available.
		The inside of the CRT tube is covered by arrays of these three colored phosphors as shown in Figure 2.
		In this way, any area of the CRT can be a different color, with all of the areas working together to paint an image on the screen.
	www.theprojectorpros.com /learn.php?s=learn&p=technologies_crt (376 words)

	Crt Projector, Overhead Projector, Projector Mounts, 8mm Projector (Site not responding. Last check: 2007-10-11)
		projector mounts In the park within the NHP was empty stomach rolling.
		crt projector They create their guns inside the doctors they would never.
		projector mounts Is a hermit since the experiences and crying she whispered.
	phillip-patrick.info /skanah02/projector.html (644 words)

	Home Theater: TAW HD-800 CRT Front Projector
		Pundits have long proclaimed that CRT technology, at least 30 to 40 years old and an admitted setup and maintenance hassle, is dead, or at least in its last years of life.
		You might think that buying a projector over the Internet would be a bad idea, particularly since a CRT projector requires so much expertise and effort to install and maintain.
		The projector uses three 8-inch CRTs and has a horizontal scan frequency of 90 kilohertz.
	www.hometheatermag.com /frontprojectors/55 (511 words)

	Sony VPH-G90U CRT Projector (Worldwide Exclusive Distributor) (Site not responding. Last check: 2007-10-11)
		The Flagship Model in Sony's extensive range of CRT projectors, the VPH-G90 combines extremely bright, precisely focused images with ease of operation and professional level of reliability.
		The CRT of the VPH-G90U incorporates an ultra-fine phosphor, a low capacity gun and new magnetic coil to produce a spot size that is very crisp.
		The white line that would be present with ABG in earlier Sony CRT projectors will now be eliminated after 20 minutes from the time the unit is first powered on.
	fhvideo.com /g90.htm (1056 words)

	Product Review
		The CRT phosphors that are used in projectors like the Dwin have colors that are not quite the same as SMPTE C. Remember that all screen colors come from the three primaries red, green, and blue in the projector.
		By masking off the CRTs, we were attempting to improve the contrast ratio by cutting down on light scatter.
		The projector is capable of resolving all the fine detail in the clothes that are worn by the characters.
	www.hometheaterhifi.com /volume_7_3/dwin-hd700-crt-projector-8-2000.html (5302 words)

	Sony VPH-G90U
		Sony's VPH-G90U CRT projector is the culmination of several year's work, and not a moment too soon - HDTV is upon us, and the consensus is that HDTV images look their absolute best when projected by 9" CRTs.
		The basic projector comes with one video input board and one 5xBNC port, and you can add on several more jack fields or use an outboard switcher.
		Color temperature was a pleasing 6670 degrees on center, and varied by 1120 degrees across the image, and brightness uniformity was 51% with factory settings.
	www.hdtvexpert.com /pages/vphg90v.html (405 words)

	Compare Prices and Read Reviews on CRT Projector Multimedia Projectors at Epinions.com (Site not responding. Last check: 2007-10-11)
		We found 5 results for Multimedia Projectors > CRT Projector
		CRT Projector, Stationary, 160 ANSI lumens, Resolution: 1024 x 768 Pixels, Display Technology: CRT Conventional, For: PC Platform...
		CRT Projector, Stationary, 800 ANSI lumens, Resolution: 1920 x 1080 Pixels, 24-bit (16.7M colors), Display Technology: CRT Convent...
	www.epinions.com /Multimedia_Projectors--reviews--crt_projector (146 words)

	diyAudio Forums - CRT Projector
		Is there any way to make a good quality projector from a CRT monitor?
		There is a way to make the DIY Projector with TV and Fresnel to get a pretty decent picture but the downside is that you have to open up the TV.
		If you have to ask about CRT circuits, you absolutely, positively, shouldn't be fooling around inside of them.
	www.diyaudio.com /forums/showthread.php?postid=325202 (628 words)

	Crystal View – A New CRT Projector Company Rises In The Wake of Vidikron’s Collapse
		This line will compete directly in the cost-no-object, high performance CRT video projector market along with the likes of Runco, SIM2 Seleco, Madrigal Imaging and another Vidikron spin-off, Accurate Imaging, lead by Vidikron’s long time VP of International Sales, James Wellinitz.
		Crystal View has three CRT projector models -- the Crystal View 1, Crystal View 2, and Crystal View 3, which range in retail price from $28,000 to $60,000.
		One might assume the new projectors are not too different from the lauded Vidikron Vision Series.
	www.avrev.com /news/0602/19.crystalview.shtml (191 words)

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