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.:
Date of Patent:
Dec. 19, 2000
Filed:
Jul. 23, 1998
Applicant:
Inventors:
Shigekazu Ishikawa, Sendai, JP;
Makoto Teshima, Sendai, JP;
Masashi Ikeda, Tokyo, JP;
Kazuo Minegishi, Sendai, JP;
Assignee:
Tokin Corporation, Miyagi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343702 ; 343895 ; 343901 ;
Abstract
In a multi-band antenna (10) being provided with an antenna element having an LC parallel resonance circuit (3) and a first and a second radiation element (1,2) connected to opposite ends of the LC parallel resonance circuit, the LC parallel resonance circuit is constituted by self-resonance of an inductor itself. A telescopic whip antenna may be constituted by combining a small-size antenna and a whip antenna which is receivable in a radio device casing and expandable.