Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1977-09-09
1979-11-27
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
346160, 358300, G03G 1500
Patent
active
041758510
ABSTRACT:
A recording position defining apparatus includes a beam generator for generating a modulated beam in accordance with a signal to be recorded; a beam deflector; a beam detector fixed at a predetermined position; a clock signal generator for generating clock signals of a predetermined frequency; and a record signal applicator for applying a record signal to the beam generator upon detection of a predetermined number of clock signals after the beam is detected by the beam detector.
REFERENCES:
patent: 3698006 (1972-10-01), Ovshinsky
patent: 3720785 (1973-03-01), Van Auken
Hirayama Kazuhiro
Kitamura Takashi
Masaki Katsumi
Nakano Takashi
Sato Yasushi
Canon Kabushiki Kaisha
Moses R. L.
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