Antenna circuit and transponder

Details Antenna circuit and transponder Antenna circuit and transponder

2007-03-05

2011-11-15

Owens, Douglas W (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S872000, C343S909000

Reexamination Certificate

active

08059062

ABSTRACT:
An antenna circuit and a transponder with the antenna circuit are provided for forming a resonant circuit. The antenna circuit includes a substrate, an antenna conductor, and a sheet metal. The antenna conductor includes an antenna coil formed in a predetermined conductor pattern on a front surface of the substrate. The sheet metal is provided on a rear surface of the substrate opposed to the front surface of the substrate and includes a slit.

REFERENCES:
patent: 6181287 (2001-01-01), Beigel
patent: 7209281 (2007-04-01), Takei
patent: 7652579 (2010-01-01), Keyaki et al.
patent: 2004/0074974 (2004-04-01), Senba et al.
patent: 2005/0007296 (2005-01-01), Endo et al.
patent: 2006/0266435 (2006-11-01), Yang et al.
patent: 2007/0252706 (2007-11-01), Furutani
patent: 2008/0003457 (2008-01-01), Endo
patent: 2008/0129629 (2008-06-01), Kimura et al.
patent: 2009/0146898 (2009-06-01), Akiho et al.
patent: 2010/0288418 (2010-11-01), Yang et al.
patent: 4-101168 (1992-04-01), None
patent: 08-330839 (1996-12-01), None
patent: 09-139698 (1997-05-01), None
patent: 11-238103 (1999-08-01), None
patent: 2000-505923 (2000-05-01), None
patent: 2000-196339 (2000-07-01), None
patent: 2000-278027 (2000-10-01), None
patent: 2003-157420 (2003-05-01), None
patent: 2003-215271 (2003-07-01), None
patent: 2003-331250 (2003-11-01), None
patent: 2005-067585 (2005-03-01), None
patent: 2005-080023 (2005-03-01), None
patent: 2005-109603 (2005-04-01), None
patent: 2005-170389 (2005-06-01), None
patent: 2006-060432 (2006-03-01), None
patent: 08-10160 (2008-11-01), None
patent: 2005/004047 (2005-01-01), None

Affiliated with

Also associated with

Rating

Antenna circuit and transponder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Antenna circuit and transponder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Antenna circuit and transponder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4302401