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:
Jul. 01, 2008
Filed:
Jun. 03, 2005
Tomoyuki Kojima, Tokyo, JP;
Tomoyuki Kojima, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
A drum/belt drive starting procedure simultaneous starts the rotation of photosensitive drums and the conveyance of a belt. A drum/belt driving time calculating procedure sets a rotational drive stop time of each photosensitive drum and a conveyance drive stop time of the conveying belt on the basis of a detection result of a reference mark detecting unit. A drum/belt drive stopping procedure stops the rotation of each photosensitive drum and the conveyance of the conveying belt on the basis of a calculation result of the drum/belt driving time calculating procedure. Rotational phase differences of every plural photosensitive drums are set to a predetermined value in the state where rubbing with the belt is small.