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:
Nov. 04, 2014
Filed:
Mar. 10, 2011
Hiroyuki Harano, Fukuoka, JP;
Hiroshi Yamagata, Fukuoka, JP;
Kazuo Ono, Fukuoka, JP;
Kensuke Nakanishi, Fukuoka, JP;
Hiroyuki Harano, Fukuoka, JP;
Hiroshi Yamagata, Fukuoka, JP;
Kazuo Ono, Fukuoka, JP;
Kensuke Nakanishi, Fukuoka, JP;
Hosiden Corporation, Osaka, JP;
Abstract
A microphone capable of canceling vibration noise caused by mechanical vibration is provided with, in capsules, a pair of diaphragms and a pair of back plates opposite to the respective diaphragms. A printed circuit board is disposed at the middle of capsules. A pair of diaphragms is disposed close and opposite to the surfaces of the printed circuit board with the printed circuit board disposed therebetween. The difference in distance from a vibration source to the two diaphragms is made small. The microphone has a high canceling effect for canceling vibration noise caused by mechanical vibration.