[opendtv] Re: The Math on Screen sizes

  • From: "John Willkie" <johnwillkie@xxxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Thu, 10 Jun 2004 21:48:12 -0700

That's what I take as the TV definition of dot pitch.  With computer makers,
it tends to be the spacing between phosphors regardless of color.  I do note
that the figures I have been playing with need to be modified a bit,
including the "there should be more than one dot for each pixel" which
radically changes things.

John

-----Original Message-----
From: opendtv-bounce@xxxxxxxxxxxxx
[mailto:opendtv-bounce@xxxxxxxxxxxxx]On Behalf Of John Shutt
Sent: Tuesday, June 08, 2004 11:52 AM
To: opendtv@xxxxxxxxxxxxx
Subject: [opendtv] Re: The Math on Screen sizes


From "Video Engineering, Third Edition" Luther C. Arch, et al., Page 359:

"CRT resolution is specified in terms of dot pitch, which is the distance on
the screen from the center of one phosphor color dot (or line) to the next
adjacent dot of the same color.  Since the CRT dots are a form of sampling,
there should be more than one dot for each pixel, to avoid loss of
resolution."

----- Original Message -----
From: "John Golitsis" <john@xxxxxxxxxxxxxxxxxx>

> Please tell me what "pitch" means.  At least in this context.



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