Loop antenna

Details Loop antenna Loop antenna

2009-12-02

2010-11-16

Phan, Tho G (Department: 2821)

Communications: radio wave antennas

Antennas

High frequency type loops

C343S866000, C235S492000, C340S572800

Reexamination Certificate

active

07834812

ABSTRACT:
A loop antenna includes a dielectric substrate taking a cuboid form, and a loop part composed of a metal that covers two pairs of facing surfaces of the dielectric substrate. The loop part is formed by leaving a blank portion at the center of one surface of the pair of facing surfaces having a wider area. In the blank portion, a feeding point to an LSI chip and a capacitance part connected to the loop part in parallel to the feeding point are formed. The capacitance part is provided to compensate for an internal capacitance of the LSI chip so that a small LSI chip matches the antenna. A convex part having a length is arranged with a gap within a corresponding concave part to form a large capacitance.

REFERENCES:
patent: 4769656 (1988-09-01), Dickey
patent: 4924237 (1990-05-01), Honda et al.
patent: 5402134 (1995-03-01), Miller et al.
patent: 6028559 (2000-02-01), Satoh et al.
patent: 7323994 (2008-01-01), Yamagajo et al.
patent: 7466277 (2008-12-01), Ishizuka et al.
patent: 2002/0096568 (2002-07-01), Arisawa
patent: 2006/0032926 (2006-02-01), Baba et al.
patent: 2007/0008134 (2007-01-01), Kai
patent: 2009/0256763 (2009-10-01), Chi et al.
patent: 2010/0090015 (2010-04-01), Sakama
patent: 0831547 (1998-03-01), None
patent: 2308745 (1997-07-01), None
patent: 05-347509 (1993-12-01), None
patent: B2-2675322 (1997-07-01), None
patent: 10-303635 (1998-11-01), None
patent: B2-3046233 (2000-03-01), None
patent: B2-3180683 (2001-04-01), None
patent: 2004-080736 (2004-03-01), None
patent: B2-3649374 (2005-02-01), None
patent: 2005-191882 (2005-07-01), None
patent: 2006-53833 (2006-02-01), None
patent: 2006-333192 (2006-12-01), None
patent: 2006-333403 (2006-12-01), None
patent: 2007-019905 (2007-01-01), None
patent: 2007-068073 (2007-03-01), None
patent: 2007-088661 (2007-04-01), None
Size Reduction in UHF Band RFID Tag Antenna Based on Circular Loop Antenna, Hong-Kyun Ryu; Jong-Myung Woo; Applied Electromagnetics and Communications, 2005. ICECom 2005. 18th International Conference on Oct. 12-14, 2005 pp. 1-4.
International Search Report dated Jul. 24, 2007.

Affiliated with

Also associated with

Rating

Loop antenna does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4214302