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:
Jul. 23, 2019
Filed:
Apr. 18, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kazumoto Doi, Kanagawa, JP;
Abstract
A microphone has: a printed circuit board provided with a first sound hole; a microphone element mounted on a first surface of the printed circuit board so as to cover the first sound hole; a microphone casing provided with a second sound hole opposite to the first sound hole, and housing the printed circuit board so that the second sound hole; and a bush provided with a third sound hole, and having a first contact surface and a second contact surface. The third sound hole is disposed between the first and second sound holes to be communicated with the holes. The first contact surface is in contact with a second surface of the printed circuit board at a first end of the third sound hole. The second contact surface is in contact with an inner surface of the microphone casing at a second end of the third sound hole.