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. 11, 1992
Filed:
Apr. 08, 1991
Tokiyuki Okano, Yamatokoriyama, JP;
Kiyoshi Inamoto, Sakai, JP;
Kazuyuki Ohnishi, Nara, JP;
Hidetomo Nishiyama, Yamatokoriyama, JP;
Kazunori Sohda, Nara, JP;
Masato Tokishige, Nara, JP;
Yoichi Shimazawa, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A developing apparatus which includes a plurality of developing units individually provided with sensors for detecting amount of toner accommodated therein, includes a judging device for judging whether or not sensor outputs of other developing units are below a replenishable amount when a sensor output of one developing unit falls below a replenishing requiring amount, and a replenishing display device for urging toner replenishment, based on the result of the above judgement, with respect to the developing unit having the sensor output below the replenishing requiring amount and the developing unit whose sensor output is below the replenishable amount.