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:
Aug. 30, 2005
Filed:
May. 30, 2001
Ryoji Abe, Kanagawa-ken, JP;
Ryoji Abe, Kanagawa-ken, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A mute apparatus comprises a plurality of mute switcheseach operative to assume two operation states consisting of a mute-on state and a mute-off state; a mute executing switchoperative to assume two executing states consisting of a mute-on state and a mute-off state; mute switch control data generating meansfor generating mute switch control data elements indicative of the operation states of the respective mute switchesmute switch control data determining meansfor determining whether a mute executing switchis to assume the mute-on or mute-off state on the basis of the mute switch control data elements; and mute switch meansfor having the mute executing switchselectively assume the mute-on and mute-off states on the basis of the mute-on or mute-off state determined by the mute switch control data determining means, thereby making it possible for the single mute switch meansto determine the execution state of the mute executing switchto mute or unmute an audio signal inputted by the inputted terminalon the basis of the operation states of a plurality of the mute switches.