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.

Date of Patent:
Dec. 10, 2019

Filed:

Apr. 17, 2018
Applicant:

Alpine Electronics, Inc., Shinagawa-ku, Tokyo, JP;

Inventor:

Masaru Yamagami, Iwaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 7/18 (2006.01); H04R 7/12 (2006.01); H04R 1/28 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 9/06 (2013.01); H04R 1/288 (2013.01); H04R 7/127 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 7/12 (2013.01); H04R 9/043 (2013.01); H04R 31/006 (2013.01); H04R 2400/11 (2013.01);
Abstract

A cap member is attached to an opening end portion of a bobbin on which a voice coil is wound. The cap member includes a bobbin reinforcement portion including a cylindrical portion and a bottom surface portion. The cylindrical portion opposes an inner surface of the bobbin, and the cylindrical portion and the inner surface of the bobbin are fixed to each other in at least a vibration plate fixed portion and a damper member fixed portion.


Find Patent Forward Citations

Yamagami, Masaru. (2019). Speaker (U.S. Patent No. 10506348). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10506348

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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