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:
Jan. 04, 1977
Filed:
May. 28, 1975
Kenichi Wada, Sakai, JA;
Yuji Enoguchi, Higashiosaka, JA;
Masaya Ogawa, Sakai, JA;
Hidetoshi Kawabata, Tondabayashi, JA;
Takaji Kurita, Kawachinagano, JA;
Susumu Tanaka, Sakai, JA;
Takao Fujiwara, Sakai, JA;
Hiroshi Murasaki, Sakai, JA;
Minolta Camera Kabushiki Kaisha, Osaka, JA;
Abstract
Devices for controlling the heating of fuser roll apparatus are disclosed. In fuser roll apparatus a toner powder image is heated under pressure on a supporting sheet to be fixed thereon. The apparatus comprises a plurality of heaters for heating a fuser roll; and a plurality of surface temperature detecting elements for detecting the surface temperature of the fuser roll, the power to the respective heaters being independently controlled according to detecting signals from the respective surface temperature detecting elements.