Phased reflector array and an antenna including such an array

Details Phased reflector array and an antenna including such an array Phased reflector array and an antenna including such an array

1990-08-13

1992-09-15

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343701, 343755, 343815, 343846, H01Q 2112

Patent

active

051481820

ABSTRACT:
The present invention provides phased arrays using monolithic technology of diffusions over whole wafers for working in millimetric wave frequency bands. The reflector array includes a plurality of metallizations connected together by diodes whose capacity can be varied. Thus direct control of reactive impedances is obtained. With the metallized strips placed at a distance substantially equal to .lambda./4 from a ground plane, it is possible to control locally the phase of the reflected signal.

REFERENCES:
patent: 3045237 (1962-07-01), Marston
patent: 3274601 (1966-09-01), Blass
patent: 3276023 (1966-09-01), Dorne et al.
patent: 3392393 (1968-07-01), Spitz
patent: 3456260 (1969-07-01), Hannan
patent: 3852755 (1974-12-01), Works et al.
patent: 3959794 (1976-05-01), Chrepta et al.
patent: 4509209 (1985-04-01), Itoh et al.
patent: 4531126 (1985-07-01), Sadones
patent: 4816836 (1989-03-01), Lalezari
Phelan, "Spiraphase Reflectarray for Multitarget Radar", Microwave Journal, Jul. 1977, pp. 67, 68, 70 and 73.

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