Apparatus perfected arrangement of spiral antennas

Details Apparatus perfected arrangement of spiral antennas Apparatus perfected arrangement of spiral antennas

1992-09-03

2000-12-26

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Spiral or helical type

H01Q 136

Patent

active

061667080

ABSTRACT:
The antenna device comprises, on a substrate, a plurality of radiating elements and a pair of terminals for the supply of high-frequency electrical signals for each one of these elements. Each one of these radiating elements comprises a zone of spiral configuration (SPi), and possesses an extension (PB1i, PB2i) of the strands of its spiral having geometric characteristics different from those of said spiral, to form, for example, a peripheral ring (CP) surrounding the latter.

REFERENCES:
patent: 2977594 (1961-03-01), Marston et al.
patent: 3787871 (1974-01-01), Reese
patent: 4087821 (1978-05-01), Phelan

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