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:
Sep. 07, 1999
Filed:
May. 06, 1997
Applicant:
Inventors:
Masatoshi Saitoh, Machida, JP;
Hiroyuki Tachihara, Inzai, JP;
Assignee:
Harada Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343713 ;
Abstract
A on-vehicle windowpane antenna apparatus according to the present invention is mounted on a windowpane of a vehicle. The apparatus includes a rectangular loop formed of a first long and narrow conductor, and a composite line formed of a second long and narrow conductor arranged in parallel with one of short sides of the rectangular loop. The apparatus also includes means for causing the apparatus to serve as a circularly polarized antenna which emits a circularly polarized wave in a direction perpendicular to a plane where the rectangular loop including the composite line is formed, and which is capable or receiving a GPS wave.