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:
Sep. 16, 2008
Filed:
Jan. 10, 2007
Applicant:
Norio Taniguchi, Otsu, JP;
Inventor:
Norio Taniguchi, Otsu, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/00 (2006.01); H03H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a longitudinally coupled resonator SAW filter apparatus, one end of each N first longitudinally coupled resonator SAW filter, where N is an integer equal to or greater than 2, is connected in parallel to an unbalanced signal terminal, the first N longitudinally coupled resonator SAW filters are connected in a cascade arrangement to M second longitudinally coupled resonator SAW filters, where M is an integer equal to or greater than 1, the M second longitudinally coupled resonator SAW filter are connected to first and second balanced signal terminals, and N and M are selected such that N>M.