Photocopying – Contact printing – Light boxes
Patent
1993-02-03
1994-02-15
Hayes, Monroe H.
Photocopying
Contact printing
Light boxes
35428911, 35428912, 355 61, G03B 118
Patent
active
052871371
ABSTRACT:
An encoder device of the present invention comprises:
REFERENCES:
patent: 3832058 (1974-08-01), Gusovius
patent: 3992097 (1976-11-01), Jensen
patent: 4451142 (1984-05-01), Takenaka et al.
patent: 4825237 (1989-04-01), Hatase et al.
patent: 5016993 (1991-05-01), Akitake
Hara Minoru
Satoh Kazuhiro
Hayes Monroe H.
Olympus Optical Co,. Ltd.
Weinstein Louis
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