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'Flip'-Type display, on plate of metal per Pixel, one side flat black,The yellow-on-green matrix displays used for the scoreboard in events
like the Wimbledon tennis championships exhibit such good contrast
even in direct sunlight. Can someone please explain what display
technology is used ?
mechanical flipping somehow seemed a bit crude in this day and age,"XThing" <pjdd@rediffmail.com> schrieb:
The yellow-on-green matrix displays used for the scoreboard in events
like the Wimbledon tennis championships exhibit such good contrast
even in direct sunlight. Can someone please explain what display
technology is used ?
'Flip'-Type display, on plate of metal per Pixel, one side flat black,
the other bright yellow, flipped over by an electric manget.
IIRC...
Michel Buchholz.
Thanks Michael. I mentally "invented" such a system myself, but the
Same here.Sorry if i misspelled something, i'm not a native speaker.
It eats power while changing state, but not while "lit""Michael Buchholz" <cylly@wtal.de> wrote in message news:<buc629$e7g$05$1@news.t-online.com>...
"XThing" <pjdd@rediffmail.com> schrieb:
The yellow-on-green matrix displays used for the scoreboard in events
like the Wimbledon tennis championships exhibit such good contrast
even in direct sunlight. Can someone please explain what display
technology is used ?
'Flip'-Type display, on plate of metal per Pixel, one side flat black,
the other bright yellow, flipped over by an electric manget.
IIRC...
Michel Buchholz.
Thanks Michael. I mentally "invented" such a system myself, but the
mechanical flipping somehow seemed a bit crude in this day and age,
and thought that it might be something more purely electronic.
Staver used to make these mechanical displays, but that product lineIt eats power while changing state, but not while "lit"
like most "purely electronic" devices. The application is
low resolution, low speed, and low refresh rate so it's got
several cost advantages over say a great big TV display or
even a light bulb matrix.
Mark L. Fergerson
This type of display is also used on buses where I live (Toronto)Mark Fergerson wrote:
It eats power while changing state, but not while
"lit"
like most "purely electronic" devices. The application
is
low resolution, low speed, and low refresh rate so it's
got
several cost advantages over say a great big TV display
or
even a light bulb matrix.
Mark L. Fergerson
Staver used to make these mechanical displays, but
that product line was sold off, years ago. Do a Google
search on Staver and Displays and you'll find the current
manufacturer. I built a custom controller for a bank of
these for Ch 55 in Orlando years ago, for their
telethons.