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. 08, 1998
Filed:
Oct. 18, 1996
Applicant:
Inventors:
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; H03B / ;
U.S. Cl.
CPC ...
381 718 ; 381 711 ;
Abstract
A noise suppressor in an image forming apparatus suppresses noise from a drive mechanism during operation. An operation start signal of the drive mechanism is detected. A previously stored secondary sound having a reversed waveform to the waveform of the noise is generated at a noise suppressing position based on the drive operation start signal.