Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2011-04-12
2011-04-12
Pascal, Robert (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S129000, C333S132000, C333S134000
Reexamination Certificate
active
07924116
ABSTRACT:
A diplexer provides a high degree of design freedom for satisfying the requirements of electric characteristics so as to realize desired characteristics and at the same time can be downsized and a multiplexer is realized by using such a diplexer. The diplexer includes a filter having a first pass band and a filter having a second pass band with a frequency band at least twice as high as the frequency band of the first pass band, the filter having the first pass band being a filter of the lumped constant type, the filter having the second pass band being a filter of the distributed constant type.
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Ichikawa Jyunichi
Ono Syouji
Sato Manabu
Suehiro Tetsuo
Takagi Keiji
Glenn Kimberly E
Haeberlin Jeffrey A.
NGK Spark Plug Co. Ltd.
Pascal Robert
Stites & Harbison PLLC
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