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. 24, 2015
Filed:
Jan. 17, 2011
Fuminori Tanaka, Daito, JP;
Ryusuke Horibe, Daito, JP;
Shuji Umeda, Daito, JP;
Takeshi Inoda, Daito, JP;
Fuminori Tanaka, Daito, JP;
Ryusuke Horibe, Daito, JP;
Shuji Umeda, Daito, JP;
Takeshi Inoda, Daito, JP;
Funai Electric Co., Ltd., Osaka, JP;
Abstract
A microphone unit () comprises a first vibrating part (), a second vibrating part (), and a housing () for accommodating the first vibrating part () and the second vibrating part (), the housing being provided with a first sound hole (), a second sound hole (), and a third sound hole (). The housing () is provided with a first sound path () for transmitting sound pressure inputted from the first sound hole () to one surface () of a first diaphragm () and to one surface () of a second diaphragm (), a second sound path () for transmitting sound pressure inputted from the second sound hole () to the other surface () of the first diaphragm (), and a third sound path () for transmitting sound pressure inputted from the third sound hole () to the other surface () of the second diaphragm ().