Wave transmission lines and networks – Coupling networks – Nonreciprocal gyromagnetic type
Reexamination Certificate
2006-05-16
2006-05-16
Takaoka, Dean (Department: 2817)
Wave transmission lines and networks
Coupling networks
Nonreciprocal gyromagnetic type
C333S245000, C361S328000
Reexamination Certificate
active
07046100
ABSTRACT:
In the direct current cut structure of the present invention, two capacitors are provided in parallel between signal transmission line patterns facing each other on a substrate, and each of the two capacitors is electrically connected to each surface of each transmission line pattern that is exposed through a hole part provided on the substrate. It is preferable for the two capacitors to have different capacity. If there is no need to cover such a broad band, only one capacitor can also connected to either side of each transmission line pattern exposed through the hole part.
REFERENCES:
patent: 4800343 (1989-01-01), Kinoshita et al.
patent: 2002/0105395 (2002-08-01), Tajima
patent: 60-214601 (1986-03-01), None
patent: 5-235602 (1993-09-01), None
patent: 6-85511 (1994-03-01), None
patent: 2003-188047 (2003-07-01), None
Search Report for corresponding European Appln. No. 04022477.6 dated Jun. 3, 2005.
Ikeuchi Tadashi
Yagisawa Takatoshi
Fujitsu Limited
Staas & Halsey , LLP
Takaoka Dean
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