Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Unique identity
Patent
1992-01-23
1993-09-21
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Unique identity
G01S 1376
Patent
active
052473040
ABSTRACT:
Where a signal is to be sent to a transponder passing by an interrogation station, and a signal is to be received back from the device, the station should include one antenna for sending, one or more separate antennas for receiving, and a circuit including a transmit portion, one or more receive portions, and a transmit-receive switch portion.
REFERENCES:
patent: 3363247 (1968-01-01), Chausse et al.
patent: 3713102 (1973-01-01), Martin
patent: 3868669 (1975-02-01), Minasy
Donaldson Richard L.
Kesterson James C.
Mapstone Rebecca A.
Texas Instruments Incorporated
Tubbesing T. H.
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