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:
Mar. 13, 2012
Filed:
Nov. 21, 2008
Takeshi Inoda, Osaka, JP;
Ryusuke Horibe, Osaka, JP;
Shigeo Maeda, Hyogo, JP;
Fuminori Tanaka, Osaka, JP;
Toshimi Fukuoka, Kanagawa, JP;
Takeshi Inoda, Osaka, JP;
Ryusuke Horibe, Osaka, JP;
Shigeo Maeda, Hyogo, JP;
Fuminori Tanaka, Osaka, JP;
Toshimi Fukuoka, Kanagawa, JP;
Funai Electric Advanced Applied Technology Research Institute Inc., Osaka, JP;
Funai Electric Co., Ltd., Osaka, JP;
Abstract
A microphone system, includes: a housing, adapted to be placed in a reference position relative to a sound source; a first microphone, configured to receive sound from the sound source at a first position within the housing; a second microphone, configured to receive sound from the sound source at a second position within the housing; and a differential signal generator, wherein: the first and second positions are arranged on a first line; and the first line perpendicularly intersects a second line that is extended from the sound source at a third position which is not between the first and second positions, and obliquely intersects a third line that is extended from the sound source at a fourth position which is between the first and second positions, when the housing is placed at the reference position.