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:
Jun. 19, 2007
Filed:
Apr. 26, 2005
Shogo Inoue, Kawasaki, JP;
Motoyuki Tajima, Yokohama, JP;
Takayuki Yamaji, Yokohama, JP;
Yasufumi Kaneda, Yokohama, JP;
Osamu Kawachi, Yokohama, JP;
Masanori Ueda, Yokohama, JP;
Shogo Inoue, Kawasaki, JP;
Motoyuki Tajima, Yokohama, JP;
Takayuki Yamaji, Yokohama, JP;
Yasufumi Kaneda, Yokohama, JP;
Osamu Kawachi, Yokohama, JP;
Masanori Ueda, Yokohama, JP;
Fujitsu Media Devices Limited, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A balanced filter includes a package having an input ground metal pattern and an output ground metal pattern, and a filter chip having an inphase filter and an antiphase filter, which filters are mounted on the package, at least one of the inphase and antiphase filters having an input ground terminal connected to the input ground metal pattern and an output ground terminal connected to the output ground metal pattern, the input and output ground terminals of said at least one of the inphase and antiphase filters being separate from each other on the filter chip.