Radar responder

Details Radar responder Radar responder

1985-01-10

1987-07-21

Tubbesing, T. H.

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

Radar transponder system

Radar transponder only

342 44, G01S 1380

Patent

active

046821732

ABSTRACT:
A radar responder for transmitting an electric wave signal which sweeps a predetermined frequency deviation width including the reception frequencies of the searcher's radar a plurality of times, responding to the pulse-modulated radar signal from the searcher's radar. The responder is provided with a high frequency FM modulator having said frequency deviation width, generates a radar responding signal which repeats said sweeps a predetermined number of times with a predetermined period, and a distinction signal for distinguishing individual radar responder which repeats said sweeps with said period in a predetermined pattern.

REFERENCES:
patent: 3373425 (1968-03-01), Barischoff
patent: 4129868 (1978-12-01), Tahara et al.
patent: 4167007 (1979-09-01), McGeoch et al.
patent: 4170773 (1979-10-01), Fitzsimmons et al.
patent: 4510497 (1985-04-01), Onozawa

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