The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 1990
Filed:
Jun. 27, 1988
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A copying machine which includes several developing units adapted to accommodate respective masses of powdery developers of different colors; a specifying unit for specifying a position, which will constitute the boundary of a copying area, in a direction conforming to the direction of scan of a scanning system; a copying contorl unit for selectively switching and driving the developing units in correspondence with the position of the boundary of the copying area specified by the specifying unit, so as to accomplish a multi-color copying during one cycle of copying operation, and an eraser for erasing a predetermined range in the scanning direction in reference to the position of the boundary of the copying area specified by the specifying unit.