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. 14, 2010
Filed:
Jul. 26, 2007
Yasufumi Kaneda, Yokohama, JP;
Osamu Kawachi, Yokohama, JP;
Seiichi Mitobe, Yokohama, JP;
Kouta Ookubo, Yokohama, JP;
Yasufumi Kaneda, Yokohama, JP;
Osamu Kawachi, Yokohama, JP;
Seiichi Mitobe, Yokohama, JP;
Kouta Ookubo, Yokohama, JP;
Fujitsu Media Devices Limited, Yokohama, JP;
Abstract
A filter includes a first filter that is connected between an input node and an output node and is a surface acoustic wave filter, and a second filter that is provided between the input node and the output node and is connected in parallel with the first filter. The first filter has a total number N1 of pairs of electrode fingers of interdigital transducers and the second filter having a total number N2 of pairs of electrode fingers of interdigital transducers, in which N1 is greater than N2.