Wave transmission lines and networks – Coupling networks – Electromechanical filter
Reexamination Certificate
2007-06-19
2007-06-19
Summons, Barbara (Department: 2817)
Wave transmission lines and networks
Coupling networks
Electromechanical filter
C333S195000
Reexamination Certificate
active
11114128
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.
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Inoue Shogo
Kaneda Yasufumi
Kawachi Osamu
Tajima Motoyuki
Ueda Masanori
Arent & Fox LLP
Fujitsu Limited
Fujitsu Media Devices Limited
Summons Barbara
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