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. 31, 1990
Filed:
Apr. 28, 1989
Applicant:
Inventors:
Takemi Yamamoto, Nagoya, JP;
Hiroshi Kawahara, Nishikasugai, JP;
Yumio Matsumoto, Kasugai, JP;
Shigeyuki Hayashi, Nagoya, JP;
Kiyoharu Hayakawa, Ama, JP;
Osamu Takagi, Nagoya, JP;
Yuji Asano, Nagoya, JP;
Takao Nakazawa, Nagoya, JP;
Shunichi Higashiyama, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; B30B / ; G03D / ;
U.S. Cl.
CPC ...
354304 ; 355 27 ; 100160 ; 100168 ; 100176 ;
Abstract
In a pressure developing device employed in an imaging device like a duplicating machine, an optical printer etc, pressure force for pressurizing a recording medium is capable of being varied in accordance with the width of the recording medium to be pressurized. A sensor for detecting the width of the recording medium is provided, and the pressure force is varied based upon the detected value.