Interrogator-responder communication system

Details Interrogator-responder communication system Interrogator-responder communication system

1983-11-03

1990-03-27

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Radar transponder system

342 44, 342 51, 455 41, 455 49, 455 54, 340505, 34082554, 34082555, 34082583, 34082586, 340935, 340941, G01S 1376, G01S 1380, G01S 1386

Patent

active

049124714

ABSTRACT:
An interrogator-responder communication system in which responders are carried by vehicles (such as railroad vehicles) travelling along a route and in which an interrogating station situated along the route operates each passing responder to recall data from a memory in the passing responder. In one embodiment, the responder is equipped to receive data transmitted from a transmit station and to store the received data, for later recall, in a non-volatile, electrically erasable read/write memory.

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