Photocopying – Contact printing – Light boxes
Patent
1991-10-07
1993-08-31
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355245, 355328, G03G 1501
Patent
active
052413594
ABSTRACT:
Image creation apparatus operable in a tri-level highlight color imaging or a black monochrome mode. The developer structures are biased in the tri-level mode using a chopped DC bias while in the monochrome black mode only the black developer structure is biased using a standard monochrome bias.
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patent: 4337306 (1982-06-01), Kanbe et al.
patent: 4610531 (1986-09-01), Hayashi et al.
patent: 4797335 (1989-01-01), Hiratsuki et al.
patent: 4841335 (1989-06-01), Kohyama
patent: 4998139 (1991-03-01), May et al.
patent: 5003351 (1991-03-01), Waki et al.
Grimley A. T.
Lee Shuk Y.
Xerox Corporation
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