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. 18, 2007
Filed:
Feb. 28, 2005
Applicants:
Makoto Usui, Hitachi, JP;
Yuuki Yamamoto, Hitachi, JP;
Ryo Sato, Hitachi, JP;
Inventors:
Assignee:
Hitachi Cable, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A film antenna whose antenna characteristics are unaffected by chassis is provided. A recessed groove portionis formed in a ground portionwhich is attached to a chassis. A first radiating element portionis formed from a wallon one side of the groove portionto a wallon the other side. A capacitive coupling piece portionwhich is capacitively coupled via a specified gap g to the first radiating element portionis formed on the wallon the other side to thereby allow antenna characteristics to be unaffected by the chassis