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:
Nov. 18, 2002
Applicants:
Yasuhide Iwamoto, Kawasaki, JP;
Osamu Ikata, Suzaka, JP;
Inventors:
Yasuhide Iwamoto, Kawasaki, JP;
Osamu Ikata, Suzaka, JP;
Assignee:
Fujitsu Media Devices Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H009/72 ; H03H009/64 ;
U.S. Cl.
CPC ...
Abstract
A duplexer includes a multilayer package, SAW filters that have different band center frequencies and are provided in the multilayer package, and a phase matching line that matches phases of the SAW filters and are provided in the multilayer package. A ground pattern with respect to the phase matching line is provided on a mount surface of the multilayer package.