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:
Oct. 31, 2006
Filed:
Mar. 28, 2005
Shigeru Kemmochi, Tottori-ken, JP;
Mitsuhiro Watanabe, Tottori-ken, JP;
Hiroyuki Tai, Tottori-ken, JP;
Tsuyoshi Taketa, Dusseldorf, DE;
Toshihiko Tanaka, Saitama-ken, JP;
Shigeru Kemmochi, Tottori-ken, JP;
Mitsuhiro Watanabe, Tottori-ken, JP;
Hiroyuki Tai, Tottori-ken, JP;
Tsuyoshi Taketa, Dusseldorf, DE;
Toshihiko Tanaka, Saitama-ken, JP;
Marino-Forum 21, Tokyo, JP;
Tokyo Kyuei Co., Ltd., Tokyo, JP;
Abstract
A high-frequency switch circuit is provided for switching a connection between a common transmission circuit and an antenna side circuit in a plurality of transmitting and receiving systems. The high-frequency switch includes a connection between the antenna side circuit and a reception circuit in one of the plurality of transmitting and receiving systems, and a connection between the antenna side circuit and a reception circuit in the other of the plurality of transmitting and receiving systems, the high-frequency switch circuit comprising a first diode, a second diode, and a distributed constant line, wherein a third diode is connected to the first and second diodes through the distributed constant line.