Notch antenna for a radio communications system

Details Notch antenna for a radio communications system Notch antenna for a radio communications system

1984-01-26

1987-01-06

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Utilizing correlation techniques

343841, G01S 324

Patent

active

H00001902

ABSTRACT:
A notch antenna for the elimination of external interference sources such jamming, self-interference, atmospheric noise and man made noise is provided by a grounded electrically conductive shield placed in the front of an omnidirectional antenna coupled to radio communications apparatus, such as a receiver, whereby the shield blocks electromagnetic waves arriving within an angular arc defined by the position and size of the shielding element.

REFERENCES:
patent: 2452106 (1948-10-01), Cotchefer
patent: 2726389 (1955-12-01), Taylor
patent: 2938208 (1960-05-01), Pickles et al.
patent: 2979719 (1961-04-01), Avery et al.
patent: 3130410 (1964-04-01), Gutleber
patent: 3541562 (1970-11-01), Dodington et al.
patent: 3594801 (1971-07-01), Smith
patent: 3605106 (1971-09-01), Gutleber
patent: 4275397 (1981-06-01), Gutleber

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