Communications: electrical – Selective – Having indication or alarm
Patent
1976-09-30
1978-10-17
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
731174, 73178T, 328133, 244 53R, G08B 2900
Patent
active
041211944
ABSTRACT:
A logic controlled take-off warning system having a circuit for enabling the logic controlled take-off warning system at engine thrust levels exceeding a predetermined value which is less than minimum take-off thrust of the aircraft and greater than trust required for normal ground operations, provided also that the aircraft is on the ground. When the logic controlled take-off warning system is enabled, a take-off warning horn is subsequently energized when any one of a plurality of undesired take-off configurations exists.
REFERENCES:
patent: 2917731 (1959-12-01), Rodgers
patent: 3413844 (1968-12-01), Schafer
patent: 3469196 (1969-09-01), Cowin et al.
patent: 3538760 (1970-11-01), Atkey et al.
patent: 3539930 (1970-11-01), Strole
patent: 3736796 (1973-06-01), Hohenberg
patent: 3852956 (1974-12-01), Martin
Downey Thomas James
Gayther James Walter
Turnbull Peter Dennis
Caldwell Sr. John W.
Donahue Bernard A.
Gardner Conrad O.
Groody James J.
The Boeing Company
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