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:
Jul. 12, 2011

Filed:

Mar. 14, 2008
Applicants:

Byung-sik Kim, Suwon-si, KR;

Hong-sam Kim, Seongnam-si, KR;

Hae-soo Kim, Suwon-si, KR;

Inventors:

Byung-sik Kim, Suwon-si, KR;

Hong-sam Kim, Seongnam-si, KR;

Hae-soo Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A portable electronic device includes a case; a revolution body rotatable with respect to the case; an electric generator converting rotational kinetic energy of the revolution body into electrical energy; a gear assembly transferring rotational force of the revolution body to the electric generator, and including at least one gear; and a secondary cell storing the electrical energy generated by the electric generator.


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