Multiband antenna

Details Multiband antenna Multiband antenna

2005-05-10

2005-05-10

Vannucci, James (Department: 2828)

Communications: radio wave antennas

Antennas

Spiral or helical type

Reexamination Certificate

active

06891515

ABSTRACT:
An RF antenna comprises a single conductor arranged in a generally spiral triangular form, and means for connecting the conductor to an antenna feed at or adjacent one end of the spiral, the other end of the spiral being open-circuited.

REFERENCES:
patent: 4389651 (1983-06-01), Tomasky
patent: 4511843 (1985-04-01), Thoraval
patent: 5337063 (1994-08-01), Takahira
patent: 5363114 (1994-11-01), Shoemaker
patent: 5905470 (1999-05-01), Fujii et al.
patent: 6057803 (2000-05-01), Kane et al.
patent: 0 825 674 (1998-02-01), None
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patent: 2 256 750 (1992-12-01), None
patent: 2 312 561 (1997-10-01), None
patent: WO 9747054 (1997-12-01), None
Chen et al., “FDTD Analysis of Printed Square Spiral Antennas for Wireless Communications,” IEEE 1997.

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