Rotation-independent helical antenna

Details Rotation-independent helical antenna Rotation-independent helical antenna

2007-10-23

2007-10-23

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

Reexamination Certificate

active

11217439

ABSTRACT:
A helical antenna having a central axis defined between a base end and a distal end comprises a helical conductor wound about the central axis and having a feed line disposed at the base end and along the central axis, and may also include an elongated dielectric core about which the electrical conductor is wound.

REFERENCES:
patent: 2982964 (1961-05-01), Bresk et al.
patent: 4097867 (1978-06-01), Eroncig
patent: 6172655 (2001-01-01), Volman
patent: 6181296 (2001-01-01), Kulisan et al.
patent: 6198449 (2001-03-01), Muhlhauser et al.
patent: 7142171 (2006-11-01), Patel et al.
patent: 2004/0257298 (2004-12-01), Larouche et al.

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