Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2006-08-24
2010-06-22
Cho, James (Department: 2819)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
Reexamination Certificate
active
07741930
ABSTRACT:
There is provided a filter including a first resonator, a second resonator in which an excitation efficiency is reduced more than the first resonator, and an inductor connected in parallel with the second resonator.
REFERENCES:
patent: 5933062 (1999-08-01), Kommrusch
patent: 6469598 (2002-10-01), Tsuzuki et al.
patent: 6522219 (2003-02-01), Takamiya et al.
patent: 6995631 (2006-02-01), Taniguchi
patent: 2001/0008387 (2001-07-01), Taniguchi
patent: 2002/0153969 (2002-10-01), Inoue et al.
patent: 2002/0175783 (2002-11-01), Watanabe et al.
patent: 2003/0117240 (2003-06-01), Inoue et al.
patent: 2005/0035831 (2005-02-01), Kawachi et al.
patent: 2005/0237129 (2005-10-01), Kawamura
patent: 1518219 (2004-08-01), None
patent: 2002-176336 (2002-06-01), None
patent: 2002-319842 (2002-10-01), None
patent: 2002-353769 (2002-12-01), None
patent: 2003-69382 (2003-03-01), None
patent: 2003-163575 (2003-06-01), None
patent: 2003-198317 (2003-07-01), None
patent: 2003-332885 (2003-11-01), None
patent: 2004-135322 (2004-04-01), None
patent: 2004-242281 (2004-08-01), None
patent: 2005-184143 (2005-07-01), None
patent: WO-2005-060094 (2005-06-01), None
Japanese Office Action dated Dec. 1, 2009, 9 pages.
Inoue Shogo
Matsuda Takashi
Nishihara Tokihiro
Ueda Masanori
Arent & Fox LLP
Cho James
Fujitsu Limited
Fujitsu Media Devices Limited
Tran Thienvu V
LandOfFree
Filter and antenna duplexer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Filter and antenna duplexer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter and antenna duplexer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4201461