Data transmission over voice bandwidth of FM radio channel

Details Data transmission over voice bandwidth of FM radio channel Data transmission over voice bandwidth of FM radio channel

1974-08-05

1976-06-08

Griffin, Robert L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 5, 325 7, 325 22, 325186, 343180, H04B 100, H04B 700

Patent

active

039626385

ABSTRACT:
A low cost data transmission method and system for transmitting digital control instructions from a central control or data processing location to equipment operated in some remote area and for return of digital data describing conditions of the remote operations using frequency modulated radio transceivers.

REFERENCES:
patent: 3210665 (1965-10-01), Street
patent: 3315164 (1967-04-01), Ferguson, Jr. et al.
patent: 3336444 (1967-08-01), Piechocki
patent: 3426278 (1969-02-01), Van Der Valk
patent: 3644832 (1972-02-01), Sherman, Jr.
patent: 3745462 (1973-07-01), Trimble

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