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:
Dec. 04, 2018
Filed:
Jun. 23, 2017
Pioneer Corporation, Tokyo, JP;
Tohoku Pioneer Corporation, Yamagata, JP;
PIONEER CORPORATION, Tokyo, JP;
TOHOKU PIONEER CORPORATION, Yamagata, JP;
Abstract
An example vibrating body for the acoustic transducer may include a diaphragm including a first vibrating part and a second vibrating part located at an outer circumference of the first vibrating part. A coil is configured to vibrate the diaphragm. An edge portion is located at an outer circumference of the diaphragm. A plurality of ribs are provided outside of the coil on the second vibrating part formed integrally with the second vibrating part. A plurality of ribs is provided on the edge portion formed integrally with the edge portion. None of the integrally formed ribs is provided inside of the coil on the first vibrating part. The ribs provided on the second vibrating part are formed in an inner circumferential side of regions of the edge portion, the regions being located between the ribs provided on the edge portion next to each other.