1 Feb
1999
1 Feb
'99
10:41 a.m.
On Feb 1, 23:30, Eric Smith wrote:
Of course. It would use a HeNe laser, just like the
early laser video
disc players.
The part I haven't figured out is the photodetector. Even those early LD
players used a phototransistor for the detector.
Would a selenium cell be fast enough? A CdS photresistor probably wouldn't
be, I think.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York