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:
Sep. 21, 2004
Filed:
Oct. 18, 2002
Konica Corporation, Tokyo, JP;
Abstract
In a method of controlling a fixing device having a heating roller containing a heat source, at least one supporting roller spaced from the heating roller, a fixing belt trained about the heating roller and the supporting roller, and a pressing roller placed to form a nipping area between the fixing belt and the pressing roller, giving a pressing force to the heating roller or the supporting roller through the fixing belt, the method includes the steps of: presetting a desired glossiness of fixed images; detecting a temperature of the pressing roller; calculating a target heating roller temperature from the preset glossiness of fixed images, the detected temperature of the pressing roller, a calculated loaded nipping time, a false nipping time, and a loaded nipping surface pressure; and controlling an operating status of the heat source according to the calculated target heating roller temperature.