Filter chip and filter device

Wave transmission lines and networks – Coupling networks – Electromechanical filter

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C333S193000

Reexamination Certificate

active

07145417

ABSTRACT:
A filter chip includes multiple series-arm resonators arranged in series arms of a ladder arrangement, and multiple parallel-arm resonators arranged in parallel arms of the ladder arrangement. A common line is connected to first electrodes of at least two parallel-arm resonators among the multiple parallel-arm resonators. Second electrodes of said at least two parallel-arm resonators are connected to associated series-arm resonators among the multiple series-arm resonators.

REFERENCES:
patent: 5231327 (1993-07-01), Ketcham
patent: 5905418 (1999-05-01), Ehara et al.
patent: 5942958 (1999-08-01), Lakin
patent: 6043585 (2000-03-01), Plessky et al.
patent: 6150904 (2000-11-01), Taniguchi et al.
patent: 6323744 (2001-11-01), Barber et al.
patent: 6445261 (2002-09-01), Yuda et al.
patent: 6677835 (2004-01-01), Noguchi et al.
patent: 6741145 (2004-05-01), Tikka et al.
patent: 6747530 (2004-06-01), Selmeier
patent: 2002/0000897 (2002-01-01), Huor
patent: 1167370 (1997-12-01), None
patent: 1168569 (1997-12-01), None
patent: 1202041 (1998-12-01), None
patent: 1213890 (1999-04-01), None
patent: 5-183380 (1993-07-01), None
patent: 9-261002 (1997-10-01), None
patent: 10-93382 (1998-04-01), None
patent: 0 865 157 (1998-09-01), None
patent: 10270979 (1998-10-01), None
patent: 2000196400 (2000-07-01), None
patent: 2000-312127 (2000-11-01), None
patent: 2001024476 (2001-01-01), None
patent: 2001-156586 (2001-06-01), None
Japanese Office Action dated May 5, 2006.
German Office Action dated Jun. 23, 2006.
Chinese Office Action dated Jul. 7, 2006.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Filter chip and filter device 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 chip and filter device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter chip and filter device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3720555

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.