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Picture Replacement Proposal
I took an extraordinary macro photo of the display of my Trinitron KV-1203 from 1976, and I would like to stick it here to be considered as a replacement for the current macro CRT photo in the article. The colors are bright, the focusing is near-perfect, and the physical wear 35 years has had on the phosphor strips can actually be seen.
Vivitron wasn't a knock off at all - they were just rebranded Sony Trinitrons. I was staring at one for a while, thinking "hey, that looks like a Trinitron". Then I looked at the back: "Manufactured by Sony Corp."
- Well, this is Wikipedia, so you know what to do: be bold!
- Atlant 17:58, 21 Mar 2005 (UTC)
The Trinitron CRT was developed by CBS labs. SONY was the only company that would build the CRTs for CBS.
- Do you have a citation for that fact? If you have one, please be bold and put the fact and the citation in the article.
- Atlant 19:54, 23 February 2006 (UTC)
Some people talk that trinitron technology was firstly developed in USSR for MIG dashboard, inventor A.N. Smirnov. — Preceding unsigned comment added by 184.108.40.206 (talk) 16:41, 18 October 2012 (UTC)
In the French Wikipedia page (http://fr.wikipedia.org/wiki/Trinitron), they claims the original Trinitron was invented by the french manufacturer CFT (Compagnie Francaise de Television). Here is a publication from 1967 :http://www.earlytelevision.org/cft_crt.html 220.127.116.11 (talk) 13:25, 5 April 2013 (UTC)
What's the deal with that horizontal black line that goes across the screen on trinitron monitors? That should be discussed in this article. Rm999
- You're probably talking about the stabilizing wire, which is discussed in the aperture grille article. BioTube 04:02, 20 October 2006 (UTC)
- And, of course, little monitors have one while bigger monitors usually have two.
- Atlant 13:33, 20 October 2006 (UTC)
- Many consumers considered the so-called "trinitron line" visible in many Sony CRTs to be essentially a major design flaw, which has acted as a deterrent to the purchase of an otherwise good quality monitor. As common as complaints are about this line, it really should be mentioned in this article. -Grammaticus Repairo 16:28, 7 September 2007 (UTC)
- Heh, only after reading that did I remember the lines are actually there on my Trinitron. :) --Zilog Jones 23:27, 15 October 2007 (UTC)
- "Ignorance is bliss", or so they say... ;) -Grammaticus Repairo 17:01, 23 October 2007 (UTC)
- I'm still using the "mother of all curb finds", a DEC-badged VRC-21WA ("Wide Angle"? Anybody know?) Mitsubishi Diamondtron 21-inch monitor. It has two stabilizing wires, and they are so inconspicuous that I can forget about them for months. In practice, they are all but invisible; the engineers did a marvelous job. I suspect that the aperture grille might be far enough behind the faceplate that the beams are not quite focused as they pass through the grille. (Query: Is my aperture grille a spherical sector, which the faceplate definitely is?) Regards, Nikevich (talk) 15:03, 9 November 2011 (UTC)
Size isn't everything
Unfortunately I was not fortunate to have the experience of using an authentic Sony Trinitron, I had an 15" LG FST that eventually burnt out and I had to replace it with an LCD. Due to Sony's reputation, I got one of their 19" screens, and have not been disappointed, the colour being good, sharp, and the dot pitch superb for an LCD, viewable from virtually any angle and consider it even better than my 26" LCD Bravia TV, which I find dark scenes difficult to see from even small vertical angles, particularly when looking up at the screen, and there is a slightly annoying brightness balancing effect that seems to make blacks look grey, and it has some flickering in some instances. I was just wondering what size screens of Trinitron's were available. Do Sony still make them and are they still available now on a niche basis ? If not, have they sold the production lines to another company that makes them ? I have found some aspects of the picture on good old CRT's to be better than LCD's, and I crave them as a vinyl connoisseur craves the stylus and turntable. It seems to be an increasing challenge to find CRT's, particularly good ones, with many manufacturers ceasing CRT production in favour of LCD's. Maybe this will all be history in the future if OLED or Field Effect Displays ever get to market with a picture quality superior in all ways than both CRT's and LCD's, however I am surprised to find absence of a technology which still provides a product with significant advantages over it's successor. The inventions of the CD and DVD never brought the absence of Philips Audio Tape and VHS, let alone vinyl. --Minotaur500 (talk) 23:59, 9 January 2008 (UTC)
- I guess your only chance is online auction sites or the small ads in your local newspaper - new Trinitrons are not manufactured anymore. Alexey Topol (talk) 22:15, 22 December 2009 (UTC)
Trinitron may be back
Sony is very sketchy about this, but from what my Japanese friends tell me, they are planning to re-introduce the Trinitron line using FED technology. In essence, the CRT modified to operate in the space constraints of LCD/Plasma, but without any of the drawbacks. No word yet on if there would be the "horrid" black lines (scare quotes to mock silly people who complained about that). LCD-haters of the world rejoice, we finally have something that will spell the end of LCD on the desktop forever! --18.104.22.168 (talk) 20:24, 1 April 2008 (UTC)
My Trinitron boldly displays the date of your post as “1 April”. Does this have anything to do with the stated facts? I read on the web that FEDs are still going to be digital, an array of finite quantity pixels. This leaves us with the same disadvantage of flat panels vs aperture grille: native resolution. Trinitrons on the other hand have no defined sampling pitch on the vertical direction and are comparable regular CRTs on the horizontal. -- J7n (talk) 02:18, 24 May 2008 (UTC)
- Sony is indeed working on FED technology, but appear to be putting much more effort into OLEDs at this time. I doubt they would use the name Trinitron to describe a FED set though, as there's no sort of "three" in it, and I suspect they would use an entirely new name for it. FED sets do not appear to be coming to market any time soon though, so this is a bit academic at this point. Maury Markowitz (talk) 12:24, 11 March 2009 (UTC)
First model number
The first model number appears to be KV-1210, not KV-1310. Radio Catalog lists the 1320, but not a 1310. This advertisement (see page 17) also lists KV1210 as the number. I changed the article to reflect this. --Jtalledo (talk) 22:31, 7 May 2011 (UTC)
I'd love to know what was involved in making large-size flat-screen CRTs. The vacuum inside and atmospheric pressure create an inward force of many tons, yet they are considered so safe that no safety glass is needed (early CRT TVs had safety glass, such as a 16-in rectangular Capehart from around 1950 or so.)
A few possibilities are thicker glass, tension bands that keep the glass in compression, and heat treatment that puts the exterior surface (and the interior, also?) in compression, kept that way by the middle part of the glass, which is in tension, like Corning's Corelle. Perhaps it's a combination of the three. I think these large-flat-screen TVs are very heavy, but don't really know. This, however, is off-topic, here. Regards, Nikevich (talk) 15:18, 9 November 2011 (UTC)
Trinitron patent lapsed in 1991 according to specialized publication, not 1996
In the July 1991 issue of the magazine "PC Mag" , page 108, there is an article on trinitron displays and in an excerpt it is said that the patents ended the same year as the magazine was published, in 1991 : "because Sony's original patents on Trinitron technology lapsed early this year (1991) , other manufacturers may take on the challenge of building slot-mask tubes and monitors, but have not thus far" https://books.google.fr/books?id=YfkUKcyI7KIC This date issue needs to be checked, perhaps some patents were lapsed in 91, not all of them or maybe PC Mag was right and the rights all ended in 91. — Preceding unsigned comment added by 22.214.171.124 (talk) 17:42, 14 June 2015 (UTC)
Not sure if worth mentioning - the Trinitron tubes were rebranded in a few cases and licenced to companies like dell as the "Dell Trinitron" for their desktop computer market. The screens were essentially identical to the Sony versions but reported a dell part number to the computer and had Dell branding printed on the outside - but contained a sony tube inside, and the term "trinitron" printed on the outside. Not sure about the patents on the computer screen versions, but sony still very much seemed to be selling these in the late 90s, early 2000's - i recall selling a few sony branded ones for CAD use, and owned a dell variant myself at once stage in that time period. 126.96.36.199 (talk) 02:07, 28 May 2020 (UTC)