Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Patent
1984-07-17
1987-04-14
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
342371, 342374, 342434, 342117, H01Q 322, G01S 1358
Patent
active
046582576
ABSTRACT:
A radar system includes a clock for generating timing signals of a predetermined period, an exciter for generating high frequency signals of predetermined frequencies in sequence and in time series in response to the timing signals, a transfer switch and an antenna. The transfer switch has an input terminal and a plurality of output terminals. The input terminal receives the high frequency signals and provides one of these high frequency signals at each of its outputs in accordance with the received timing signals. The antenna is connected to receive the high frequency signals from the output terminals of the transfer switch to form radar beams corresponding to the high frequency signals.
REFERENCES:
patent: 3266038 (1966-08-01), Milne et al.
patent: 3945009 (1976-03-01), Trigon
patent: 4034374 (1977-07-01), Kruger
patent: 4197540 (1980-04-01), Riggs et al.
patent: 4277787 (1981-07-01), King
patent: 4321605 (1982-03-01), Lopez
patent: 4408205 (1983-10-01), Hockman
Izutani Toshiyuki
Tomita Yuichi
Yokoyama Hiroshi
Blum Theodore M.
Cain D.
NEC Corporation
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