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. 23, 2010
Filed:
Feb. 09, 2007
Masaki Tanaka, Toyohashi, JP;
Katsuyuki Hirata, Toyokawa, JP;
Mitsuru Obara, Toyohashi, JP;
Toshio Tsuboi, Okazaki, JP;
Tatsuya Isono, Toyohashi, JP;
Masaki Tanaka, Toyohashi, JP;
Katsuyuki Hirata, Toyokawa, JP;
Mitsuru Obara, Toyohashi, JP;
Toshio Tsuboi, Okazaki, JP;
Tatsuya Isono, Toyohashi, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An image forming apparatus includes a secondary transfer roller that becomes a pressed state to make an intermediate transfer belt perform a transfer process and can move between the pressed state and a separated state, a press and separation driving device for driving the secondary transfer roller to become the pressed state and the separated state, a press and separation detecting device for detecting a pressed or separated state, and a voltage applying portion for applying a voltage between the intermediate transfer belt and the secondary transfer roller. The press and separation detecting device includes a resistor for detecting a current and a determination portion for determining a pressed or separated state in accordance with the detected current.