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:
Nov. 10, 1992
Filed:
Aug. 17, 1988
Masazumi Ito, Osaka, JP;
Minoru Nakamura, Osaka, JP;
Toru Kasamatsu, Osaka, JP;
Kenzo Nagata, Osaka, JP;
Yoichi Kawabuchi, Osaka, JP;
Syuzi Maruta, Osaka, JP;
Hiroyuki Ideyama, Osaka, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A multiple color image forming apparatus, wherein colors or kinds of copying paper contained in paper feed cassettes as well as colors of developers contained in a plurality of developing devices are detected to prevent image forming, which is indistinguishable due to mismatching between the color or kind of copying paper and the color of developer, and the developing device containing the developer of suitable color for the color or kind of copying paper is automatically selected in response to the detected result of the color or kind of copying paper and the color of developer to prevent misforming of the image and to improve the operation easiness.