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:
Jun. 11, 1996
Filed:
Sep. 20, 1994
Applicant:
Inventor:
Tetsuya Wakui, Chiba-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
381 94 ; 381123 ; 381 85 ;
Abstract
In an audio signal output device, when muting audio signals outputted from audio signal output terminals, a ground terminal provided for the audio signal output terminals is brought into an open state in association with the muting action, so that the audio signals can be adequately muted without causing any noise or the like.