Voice-modulated transponder system

Details Voice-modulated transponder system Voice-modulated transponder system

1973-05-22

1976-01-06

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 13, 343 76, G01S 956, H03K 708, H03K 710

Patent

active

039316220

ABSTRACT:
A voice-modulated transponder system comprising an interrogator and a light-weight transponder. In the described embodiment, the interrogator is airborne and the transponder is located on the ground. The interrogator can locate the position of the transponder and simultaneously therewith two-way voice communication between the interrogator and transponder is possible.

REFERENCES:
patent: 2407199 (1946-09-01), Wolff
patent: 2425315 (1947-08-01), Atwood et al.
patent: 2444452 (1948-07-01), Labin
patent: 2495737 (1950-01-01), Labin et al.
patent: 2607004 (1952-08-01), Harris
patent: 2910683 (1959-10-01), Todd
patent: 3341845 (1967-09-01), Deman
patent: 3359554 (1967-12-01), Hoffmann-Heyden
patent: 3460139 (1969-08-01), Rittenbach

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