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:
Aug. 25, 2015
Filed:
Aug. 07, 2012
Hidehito Shimizu, Osaka, JP;
Hiroyuki Nakamura, Osaka, JP;
Takahiro Sato, Osaka, JP;
Tetsuya Tsurunari, Osaka, JP;
Hidehito Shimizu, Osaka, JP;
Hiroyuki Nakamura, Osaka, JP;
Takahiro Sato, Osaka, JP;
Tetsuya Tsurunari, Osaka, JP;
SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO., LTD, Kadoma-Shi, JP;
Abstract
In a filter module capable of handling multiple bands, cross wiring with an RF-IC is to be solved. The filter module includes: an antenna terminal; first and second transmission filters; first and second reception filters; a first switch circuit connected to the antenna terminal, and selectively connected to the first and second transmission filters; a second switch circuit connected to the antenna terminal, and selectively connected to the first and second reception filters; a first matching circuit connected between the first switch circuit and the first transmission filter or between the second switch circuit and the first reception filter; and a second matching circuit connected between the first switch circuit and the second transmission filter or between the second switch circuit and the second reception filter.