Copying machine having detectors for the background color and de

Details Copying machine having detectors for the background color and de Copying machine having detectors for the background color and de

1980-10-27

1983-02-08

Rubinson, Gene Z.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14E, 118691, G03G 1500

Patent

active

043726747

ABSTRACT:
An apparatus for facilitating creation of an improved quality reproduction of an original to be copied includes a first sensor for producing a signal in accordance with the density of the background or nonimage are of the original, a second sensor for producing a signal in accordance with the color of its background, and electronic circuit means for generating a bias voltage based on the sensed density and color of the background of the original for application to a developing apparatus.

REFERENCES:
patent: 2956487 (1960-10-01), Giaimo, Jr.
patent: 3876106 (1975-04-01), Powell et al.
patent: 4025184 (1977-05-01), Mochizuki
patent: 4043293 (1977-08-01), Ruckdeschel
patent: 4087171 (1978-05-01), Yano
patent: 4111151 (1978-09-01), Ruckdeschel
patent: 4153364 (1979-05-01), Suzuki et al.
patent: 4239374 (1980-12-01), Tatsumi et al.

Affiliated with

Also associated with

Rating

Copying machine having detectors for the background color and de does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Copying machine having detectors for the background color and de, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Copying machine having detectors for the background color and de will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-47487