Title:
Film coding method
United States Patent 3234663
Inventors:
Ferris, John T.
Keller, John D.
Publication Date:
02/15/1966
Export Citation:
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Assignee:
BAUSCH & LOMB
Primary Class:
380/54
Other Classes:
365/127, 430/394
International Classes:
G09C5/00; H03M1/00; G09C5/00; H03M1/00
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US Patent References:
2969531Image reproducing apparatus
2944897Reversal film method