Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2005-08-30
2005-08-30
Wells, Kenneth B. (Department: 2816)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S193000, C333S195000, C333S196000
Reexamination Certificate
active
06937113
ABSTRACT:
A branching filter package has a SAW filter chip housing area which houses a piezo electric base, on which a transmitting SAW filter and a receiving SAW filter having a different frequency passing band with each other, are formed, and an impedance matching circuit and a branching circuit for the transmitting SAW filter and the receiving SAW filter.
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Fujita Yoshiaki
Komazaki Tomokazu
O-hashi Wataru
Shimamura Hajime
Sartori Michael A.
Venable LLP
Wells Kenneth B.
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