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:
Jun. 02, 2009
Filed:
Oct. 19, 2005
Applicants:
Ken Takei, Hitachi, JP;
Tomoyuki Ogawa, Hitachi, JP;
Morihiko Ikegaya, Hitachi, JP;
Inventors:
Assignee:
Hitachi Cable, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A small size thin type antenna using a thin type structure having a wavelength compaction effect without using a bulk conductive material and a high frequency module using the same are disclosed. The small size thin type antenna comprises an open stubincluding at least one transmission line, a connecting lineincluding at least one transmission lineand a short stubincluding a transmission lineA characteristic impedance Zo of the open stubis determined to be lower than a characteristic impedance Zb of the connecting lineand a characteristic impedance Zs of the short stub