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 6452569 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 17, 2002

Filed:

May. 31, 2001
Applicant:
Inventors:

Heung-Soo Park, Kyungki-do, KR;

Jae-Suk Sung, Kyungki-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/36 ;
U.S. Cl.
CPC ...
H01Q 1/36 ;
Abstract

An antenna and a manufacturing method therefor are disclosed, in which the sensitivity characteristic of the dual band antenna utilizing a plurality of frequency bands is improved, and at the same time, the antenna can be miniaturized. A first cylindrical body around which a primary coil is spirally wound is inserted into a second cylindrical body around which a secondary coil is wound. A projected portion of the primary coil is electrically connected to the secondary coil , thereby forming a dual band antenna


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Park, Heung-Soo. (2002). Antenna, and manufacturing method therefor (U.S. Patent No. 6452569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6452569

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