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:
Jul. 19, 2005
Filed:
Aug. 15, 2001
Applicants:
Norio Taniguchi, Shiga-ken, JP;
Toshiaki Takata, Kanazawa, JP;
Mitsuo Takeda, Kanazawa, JP;
Inventors:
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H009/64 ; H03H009/72 ;
U.S. Cl.
CPC ...
Abstract
A surface acoustic wave filter device includes a surface acoustic wave filter element having a ladder type circuit electrically connected and mechanically fixed to a package by a face down mounting method. A micro-strip line connected to series arm resonator and/or a parallel arm resonator is provided inside the package, whereby excellent filter characteristics are provided by the addition of the inductance component thereof.