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 10313801 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 04, 2019

Filed:

Feb. 23, 2016
Applicant:

Moda-innochips Co., Ltd., Ansan-Si, Gyeonggi-Do, KR;

Inventors:

Sung Cheol Park, Ansan-Si, KR;

Sang Hun Park, Seoul, KR;

In Seob Jung, Ansan-Si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 23/02 (2006.01); H04R 17/00 (2006.01); H04R 1/02 (2006.01); H04R 1/24 (2006.01); H04R 3/14 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 23/02 (2013.01); H04R 1/025 (2013.01); H04R 1/24 (2013.01); H04R 3/14 (2013.01); H04R 9/06 (2013.01); H04R 17/00 (2013.01); H04R 9/025 (2013.01); H04R 17/005 (2013.01);
Abstract

Provided is a sound output apparatus including: a housing having a housing space therein; a first sound output unit provided inside the housing; and a second sound output unit provided in the housing and spaced a predetermined distance from the first sound output unit.


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Park, Sung. (2019). Sound output device comprises a dual speaker including a dynamic speaker and a piezoelectric speaker (U.S. Patent No. 10313801). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10313801

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