Morse code signalling device

Details Morse code signalling device Morse code signalling device

1976-01-12

1978-11-07

Yusko, Donald J.

Communications: electrical

Systems

Portable self-contained

250199, 340331, 340345, G08B 538, H05B 4126, H05B 4134

Patent

active

041248422

ABSTRACT:
A portable signalling unit includes a gas discharge tube and a continuously cycling drive circuit which produces successive discharges through the tube, a control instrumentality being provided whereby the continuously cycling of the circuit may be overridden and brought under the control of a programming device which cause the discharges through the tube to follow a continuously repeating pattern. The pattern may represent the Morse code for SOS or any other desired signal.

REFERENCES:
patent: 3205487 (1965-09-01), Vriend
patent: 3614528 (1971-10-01), Craddock
patent: 3668684 (1972-06-01), Johnson
patent: 3764849 (1973-10-01), Ohta
patent: 3953763 (1976-04-01), Herrick

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