Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1979-02-27
1980-08-26
Buczinski, S. C.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 5PD, 343 7PF, 343 8, G01S 904, G01S 944
Patent
active
042198151
ABSTRACT:
In a target to be towed by a vehicle, such as an airplane or the like, a radar transmitter and receiver each having separate antennas mounted in spaced apart relation at the front and back of the target, said transmitter being periodically pulsed and said receiver being turned on periodically at a given time after each pulse to produce a generally ellipsoidally shaped, shell-like sensitive volume around the target in which the radar will sense bullets, and the receiver being further constructed to sense only positive Doppler signals so that only bullets entering the sensitive volume will be scored.
REFERENCES:
patent: 3178710 (1965-04-01), Ammon
patent: 3254338 (1966-05-01), Healey
patent: 3742501 (1973-06-01), Urkowitz
patent: 3803599 (1974-04-01), McLean
patent: 3987445 (1976-10-01), Fales
patent: 4005420 (1977-01-01), McDonald
patent: 4031534 (1977-06-01), Kallmann et al.
patent: 4051472 (1977-09-01), Albanese
Fajen Lyle A.
Malcolm Robert B.
McDonald Thomas W.
Buczinski S. C.
Motorola Inc.
Parsons Eugene A.
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