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 8428288 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 23, 2013

Filed:

Dec. 13, 2010
Applicant:

Ho-yeong Lim, Seongnam-si, KR;

Inventor:

Ho-Yeong Lim, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ear jack for detecting an earphone plug is provided. The ear jack includes a housing, a plurality of pins, a first detection part, a second detection part, and a controller. The housing includes a cavity for inserting terminals of the earphone plug. The plurality of pins are installed on an inner circumference surface of the housing and are in selective contact with a corresponding terminal of the earphone plug. The first detection part detects insertion of a first terminal of the earphone plug. The second detection part detects the insertion of the first terminal. The controller detects the insertion of the earphone plug when the first detection part and the second detection part both detect the insertion of the first terminal.


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Lim, Ho-Yeong. (2013). Ear jack for detecting earphone plug (U.S. Patent No. 8428288). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8428288

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