Communications: electrical – Selective – Having indication or alarm
Patent
1976-01-16
1977-02-22
Kunin, Stephen G.
Communications: electrical
Selective
Having indication or alarm
73178R, 244194, 318565, 340248B, G08B 2100
Patent
active
040094642
ABSTRACT:
Apparatus for indicating attitude failure in an attitude indicator system in which energy is stored and isolated from all other apparatus during normal operation and transferred to the attitude indicator when attitude failure is detected, resulting in an indication of attitude failure.
REFERENCES:
patent: 3143693 (1964-08-01), Fearnside et al.
patent: 3210749 (1965-10-01), Magor
patent: 3383522 (1968-05-01), Appelbeck et al.
patent: 3691987 (1972-09-01), Strock
Tosker, Frank H., "Battery-Less Power Failure Alarm", Popular Electronics, vol. 28, No. 2, 2-1968, pp. 43-44.
Grimes Terrence L.
Neis Thomas W.
Kunin Stephen G.
Sperry Rand Corporation
Terry Howard P.
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