Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1971-05-19
1987-02-10
Braun, Fred L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
G03G 1502
Patent
active
046419527
ABSTRACT:
A control system for use with an electrostatic developing system of a reproduction machine that normally remains in developing condition during machine operation. The control includes a lamp and circuit therefor which becomes energized to dissipate the charge on a photoconductive surface at those times and places thereon where developing is not to occur.
REFERENCES:
patent: 1734780 (1929-11-01), Simjian
patent: 2891443 (1959-06-01), Pollock
patent: 2927516 (1960-03-01), Hix
patent: 3147679 (1964-09-01), Schaffert
patent: 3556655 (1971-01-01), Lux
Braun Fred L.
Chiama Bernard A.
Xerox Corporation
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