Antenna unit and radio communication terminal using this...

Details Antenna unit and radio communication terminal using this... Antenna unit and radio communication terminal using this...

2006-06-06

2006-06-06

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

Reexamination Certificate

active

07057576

ABSTRACT:
An antenna unit and a radio communication terminal using this antenna unit, in which the sensitivity in radio wave transmission and reception is increased, are provided. The antenna unit provides a coil of small diameter, a coil of large diameter, and a case that covers the coil of small diameter and the coil of large diameter. The case has one or plural opening parts within the range keeping the durability of the case. The radio communication terminal uses this antenna unit.

REFERENCES:
patent: 4679052 (1987-07-01), Ohe et al.
patent: 4717921 (1988-01-01), Ohe et al.
patent: 6016130 (2000-01-01), Annamaa
patent: 6373708 (2002-04-01), Ando et al.
patent: 6559801 (2003-05-01), Davis
patent: 6586931 (2003-07-01), Taicher
patent: 6734831 (2004-05-01), Makino
patent: 6772953 (2004-08-01), Iiyama et al.
patent: 2002/0017569 (2002-02-01), Iiyama et al.
patent: 2002/0130019 (2002-09-01), Ninomiya et al.
patent: 2002/0142795 (2002-10-01), Imahori et al.
patent: 2002/0153887 (2002-10-01), Taicher
patent: 2003/0120150 (2003-06-01), Govari
patent: 0 102 091 (1984-03-01), None
patent: 0 747 989 (1996-12-01), None
patent: 0 755 091 (1997-01-01), None
patent: 1 193 794 (2003-02-01), None
patent: 2 322 236 (1998-08-01), None
patent: 2 334 382 (1999-08-01), None
patent: 2 385 992 (2003-09-01), None
patent: 9-36629 (1997-02-01), None
patent: 2001-216491 (2001-08-01), None
AW Rudge, “The Handbook of Antenna Design” 1983: IEEE, pp. 842-844, vol. 2, Section 17.6.2.
United Kingdom Office Action in patent application GB0314457.3 dated Apr. 22, 2005.
Chinese Office Action in patent application 03148068.3 dated May 13, 2005.

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