Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1978-12-07
1980-12-16
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3DD, 355 10, 355 14D, G03G 1500
Patent
active
042393744
ABSTRACT:
An image of an original document (16) is sensed to determine if the document (16) is a printed document (the image consists of characters and symbols) or a photographic document. The exposure illumination intensity, developing bias voltage and/or other variable operating parameters are controlled in accordance with the determination.
REFERENCES:
patent: 3877413 (1975-04-01), Rowell et al.
patent: 3914049 (1975-10-01), Basu et al.
patent: 4050806 (1977-09-01), Miyakawa et al.
patent: 4087171 (1978-05-01), Yano
patent: 4124295 (1978-11-01), Gardiner
patent: 4153364 (1979-05-01), Suzuki et al.
Hosaka Masao
Ikesue Masumi
Kasahara Nobuo
Tatsumi Susumu
Alexander David G.
Moses R. L.
Ricoh & Company, Ltd.
LandOfFree
Electrostatographic apparatus comprising automatic document type does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrostatographic apparatus comprising automatic document type, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrostatographic apparatus comprising automatic document type will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-605138