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:
May. 07, 2002
Filed:
Jul. 15, 1999
Applicant:
Inventors:
Shinichi Otomo, Sendai, JP;
Kazuo Minegishi, Sendai, JP;
Assignee:
Tokin Corporation, Miyagi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/38 ;
U.S. Cl.
CPC ...
H01Q 1/38 ;
Abstract
In an antenna for use in a mobile communication apparatus and having a helical antenna element ( ) of a helical shape, the helical antenna element is mounted on a flexible substrate ( ) rounded to form a cylindrical shape. The helical antenna element has a plurality of oblique conductive patterns ( ) extending along the flexible substrate and electrically connected to one another at their terminal ends to form the helical shape. The oblique conductive patterns have a similar pitch therebetween.