Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1975-12-31
1978-07-18
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
118646, 355 14, G03G 1510
Patent
active
041012143
ABSTRACT:
An electrophotographic copying apparatus incorporating therein an improved developing material supplying device which supplying device includes a copy paper detecting unit for detecting the length of the copy paper, an integrating circuit for integrating the length of the copy paper detected by the detecting unit and a supply tank driving unit which operates the supply tank to supply a concentrated developing material into the developing tank through a valve, upon receipt of a signal from the integrating circuit, by which arrangement, the concentrated developing material can be supplied to the developing tank every time after a predetermined length of the copy paper is fed through the developing tank.
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Irie Yutaka
Murata Tomoji
Shibazaki Kenji
Shimizu Shigemitu
Tokura Yukio
Minolta Camera Kabushiki Kaisha
Moses R. L.
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