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:
Feb. 17, 2004
Filed:
Apr. 23, 2002
Applicant:
Inventors:
Masashi Wakui, Warabi, JP;
Hiroshi Shimizu, Warabi, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 9/00 ;
U.S. Cl.
CPC ...
H01Q 9/00 ;
Abstract
An umbrella-shaped crown section is provided on the front end of a linear element section . The front end of the umbrella-shaped crown section and the power supply section at the lower end of the element section are connected by means of a folded element . Thereby, the dual-frequency antenna is able to operate in two different frequency bands.