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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.:

US 5067159 B1

PDFFull Text
Date of Patent:
Nov. 19, 1991

Filed:

Jul. 13, 1988

Structure of a speaker apparatus

Applicant:
Inventors:

Junichi Kasai, Kanagawa, JP;

Wataru Yagihashi, Kanagawa, JP;

Akira Yatsunami, Saitama, JP;

Kazuyuki Kurano, Saitama, JP;

Assignees:

Nissan Motor Company, Limited, Yokohama, JP;

Clarion Company, Limited, Tokyo, JP;

Attorney:

Foley & Lardner

Primary Examiner:

Forester W Isen

Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381 90 ; 381158 ; 381188 ; 381205 ; 181144 ; 181146 ;
Abstract

A speaker apparatus in which a speaker unit having a vibrating plate thereon is housed in a cabinet, an opening defined by the cabinet for radiating a sound generated at a front surface of the vibrating plate of the speaker unit is formed, and a shield plate over a predetermined part of the opening is provided for shielding the sound of a high frequency region in which peaks and/or dips are included due to the sound reflections in the cabinet.

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Kasai, Junichi. (1991). Structure of a speaker apparatus (U.S. Patent No. 5067159). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5067159

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