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:
Dec. 30, 2008
Filed:
Oct. 05, 2005
Applicants:
Shigeru Kemmochi, Saitama-ken, JP;
Mitsuhiro Watanabe, Tottori-ken, JP;
Tsuyoshi Taketa, Tottori-ken, JP;
Hiroyuki Tai, Tottori-ken, JP;
Inventors:
Shigeru Kemmochi, Saitama-ken, JP;
Mitsuhiro Watanabe, Tottori-ken, JP;
Tsuyoshi Taketa, Tottori-ken, JP;
Hiroyuki Tai, Tottori-ken, JP;
Assignee:
Hitachi Metals, Ltd., Toyko, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H01P 1/10 (2006.01); H01P 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high-frequency switch circuit common to a plurality of frequency bands includes a first high-frequency switch adapted to pass transmission signals and block received signals; and a demultiplexer. The high-frequency switch circuit passes one of the received signals of first and second frequency bands and blocks the other.