Broadband antenna with omnidirectional radiation

Details Broadband antenna with omnidirectional radiation Broadband antenna with omnidirectional radiation

2006-04-04

2006-04-04

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Fractional, multiple, or full wave length linear type

C343S797000, C343S799000

Reexamination Certificate

active

07023396

ABSTRACT:
The present invention relates to a broadband antenna with omnidirectional radiation comprising a first circular or semicircular monopole perpendicular to an earth plane, and at least one second circular or semicircular monopole, the monopoles being positioned with respect to one another in such a way as to have a common diameter.

REFERENCES:
patent: 3987458 (1976-10-01), Reggia et al.
patent: 4814777 (1989-03-01), Monser
patent: 5872546 (1999-02-01), Ihara et al.
patent: 0802579 (1997-10-01), None
Patent Abstracts of Japan, vol. 2002, No. 10—JP 2002 164731.
Desclos et al.: “1.6-6 GHz optimized antennas for indoor wireless LAN applications”, Wireless Applications Digest, 1007; IEEE MTT-S Symposium on Technologies for Vancouver, BC, Canada 13-16 FRB. 1997, NY, USA, IEEE, pp. 39-42.
Agrawall, et al.: “New wideband monopole antennas”, Antennas and Propagation Society International Symposium, 1997, IEEE 1997 Digest, Montreal, Que. Canada Jul. 13-18, 1997, NY, USA, IEEE pp. 248-251.
Patent Abstracts of Japan, vol. 1998, No. 11, Sep. 30, 1998,—JP 10 150318 A.

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