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:
Apr. 24, 2001
Filed:
Jul. 26, 1999
Takashi Fuchiwaki, Ebina, JP;
Akihisa Maruyama, Ebina, JP;
Yasutomo Ishii, Ebina, JP;
Katsuya Takenouchi, Ebina, JP;
Keitaro Sonoguchi, Ebina, JP;
Yasutaka Naito, Ebina, JP;
Yasuyuki Kobayashi, Ebina, JP;
Yoko Shimomura, Ebina, JP;
Kazuhiko Miyazato, Ebina, JP;
Shigehiko Haseba, Ebina, JP;
Minoru Ueki, Ebina, JP;
Satoshi Matsuzaka, Ebina, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
Premising a duplex imaging apparatus having an image carrier provided with a plurality of image carrying regions, the image deterioration phenomenon (i.e., the so-called “oil ghost phenomenon”), as might otherwise accompany the local transfer of a releasing agent from a fixing unit to the image carrier, is effectively avoided. In a mode where the image carrier,is provided with the plural image carrying regions, duplex mode control unit,includes an imaging sequence determining portion,for determining such a fundamental imaging sequence that when duplex images are to be formed on sheets,more than an image carriable number of the image carrier,, the fundamental sequence determining portion,causes the image carrier,: to carry first screen images A less than the image carriable number in a first imaging cycle of an imaging unit,; to carry images corresponding to the image carriable number in and after a second imaging cycle so that at least second screen images B may be positioned at the front of the first screen images A; and to carry the second screen images B less than the image carriable number in the last imaging cycle.