Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1981-11-16
1985-07-30
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343372, H01Q 300, H01Q 322
Patent
active
045325200
ABSTRACT:
A radar, lidar, or sonar system, comprising a transmitter and a receiver, the receiver including means for forming a plurality of contiguous receiver beams so as to define a predetermined angular sector of cover and means for narrowing each of the beams while contiguity is maintained between them, whereby the angular sector of cover is reduced for longer ranges.
REFERENCES:
patent: 3680100 (1972-07-01), Woerrlein
patent: 3978482 (1976-08-01), Williams et al.
patent: 3997900 (1976-12-01), Chin et al.
patent: 4318104 (1982-03-01), Enein
Blum Theodore M.
Plessey Overseas Limited
Steinberger Brian Scott
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