luth-astro{at}earthlink.net wrote:

>In , on 02/29/2004 
>   at 03:30 AM, Kris Steenhaut  said:
>
>>for 250 bucks you'll get a genuine 17 inch flat Trinitron  type that
>>_IS_ really excellent.
>>    
>>
>Thanks.  I know nothing about Trinitron.  I see it is made by Sony. 
>What makes it better than other Sonys?
>  
>

Hi Jim,
ALL SONYs CRTs are Trinitrons. They all have "Aperture Grilles" with the 
Phosphor colours in continuous alternating RGB vertical stripes, unlike 
any non-Trinitron  CRTs, which use a "Dot-triad" of three dots in an 
equilateral triangle pattern for RGB.  Every Trinitron has no vertical 
curvature, and prior to the FD-Wega series with absolutely plane 
screens, always had lower horizontal curvature than others - i.e. it was 
a section of a cylinder - whereas prior to the advent of the so-called 
flat-square screen, every other CRT was a part of a sphere, with 
consequent multiple reflections in all planes.  Trinitrons also have a 
polarizing filter which absorbs and reduces reflected incident light by 
two-thirds., and have lower distortion than any other, especially in the 
corners.  One of the reasons they came as standard equipment with 
high-end Graphics workstations like Silicon Graphics.

In 1969 Sony's Trinitron was the first piece of equipment *ever* to be 
awarded an EMMY, for technical excellence.

In 1994, Sony allowed e.g. NEC/Mitsubishi/EIZO etc.,  to manufacture 
Trinitron CRTs under licence.  Prior to then the only other licenced 
manufacturer was SEIKO, IIRC.

Hope that explains it well enough.

-- 
Regards,
Mike

Failed the exam for
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