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:
Aug. 01, 2000

Filed:

May. 11, 1999
Applicant:
Inventor:

Jin-Kyu Park, Seoul, KR;

Assignee:

Korean Co., Ltd., Seoul, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
3403847 ; 3403841 ;
Abstract

A sound producing device separated into a sound producing unit and a power supplying unit. One of two products forming a set is provided with the sound producing unit, the other is provided with the power supplying unit for supplying a power to the sound producing unit so that the sound information can be produced only when the two products are electrically connected each other, whereby the volumes of the products are decreased and their commercial values are increased.


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