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. 21, 2018
Filed:
May. 04, 2017
Kabushiki Kaisha Audio-technica, Tokyo, JP;
Yoji Honda, Tokyo, JP;
Kenzo Tsuihiji, Tokyo, JP;
Koichiro Tanoue, Tokyo, JP;
Kenji Arai, Tokyo, JP;
KABUSHIKI KAISHA AUDIO-TECHNICA, Tokyo, JP;
Abstract
An electroacoustic transducer includes a driver, a diaphragmdriven to vibrate by the driver and emitting sound, a baffleholding the driver and the diaphragm, first openingsextending through the baffle, an acoustic resistordisposed on the back side of the baffle, and second openingsextending from the front side to the back side of the acoustic resistor. The baffleis provided on the back side of the diaphragm. The first openingsare provided in the baffle. The second openingsare each disposed above one of the first openingsin the acoustic resistor. The electroacoustic transducer exhibits an excellent frequency response even if a sufficient volume of a space is not provided on the back side of the diaphragm