Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Iff or sif
Patent
1994-02-14
1995-06-06
Lobo, Ian J.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Iff or sif
359169, G01S 1378
Patent
active
054226457
ABSTRACT:
A laser interrogator system and technique establishes low-observable idenication friend or foe (IFF) between two distinct positions. An interrogating laser transmits a laser pulse from a first position to a passive retroreflector fiber optic bundle located at a second position. The bundle retransmits a delayed laser retroreflector pulse. A receiver and processor at the first position processes the received retroreflected delayed laser pulse to determine a presence of a predetermined delay such that an IFF determination of the second position is achievable.
REFERENCES:
patent: 4361911 (1982-11-01), Buser et al.
patent: 4763361 (1988-08-01), Honeycutt et al.
patent: 5274379 (1993-12-01), Carbonneau et al.
patent: 5355241 (1994-10-01), Kelly
Barr Dallas N.
Nettleton John E.
Redman Brian C.
Bashore Alain L.
Lane Anthony T.
Lee Milton W.
Lobo Ian J.
The United States of America as represented by the Secretary of
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