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:
Apr. 30, 1996
Filed:
Apr. 28, 1994
Applicant:
Inventors:
Yuichi Murakami, Kawasaki, JP;
Ieda Kiyokazu, Tokyo, JP;
Assignee:
Aisin Seiki, Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
3437 / ; 343846 ;
Abstract
A microstrip antenna device is disclosed as having three resonance frequencies comprising, a dielectric sheet whose thickness is smaller than the used wave length, a radiating conductor sheet which is disposed on one surface of the dielectric sheet and which is a rectangular shape and has line load in the center of one side of the rectangle, and a ground conductor sheet disposed on the other surface of the dielectric sheet.