Transverse-folded scanning antennas

Details Transverse-folded scanning antennas Transverse-folded scanning antennas

1998-04-09

2000-01-11

Wong, Don

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343755, 342175, H01Q 1900

Patent

active

060141085

ABSTRACT:
Transverse-folded antennas arrange a radiator, twist reflectors and a transreflector to generate a radar beam without blocking the beam with a feed element. The arrangement provides signal access at an antenna rear face which facilitates integration of the antenna into an automotive radar system. Different embodiments of the antenna collimate the radar beam with curved twist reflectors and with lenses. Scanning is effected with rotatable twist reflectors and with scanning radiators.

REFERENCES:
patent: 3797020 (1974-03-01), Roger et al.
patent: 4220957 (1980-09-01), Britt
patent: 4413263 (1983-11-01), Amitay et al.
patent: 4471359 (1984-09-01), Howard
patent: 4504835 (1985-03-01), Howard et al.
patent: 4574287 (1986-03-01), Waters
patent: 5455589 (1995-10-01), Huguenin et al.

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