Communications: electrical – Selective – Having indication or alarm
Patent
1975-01-27
1976-02-03
Reger, Duane A.
Communications: electrical
Selective
Having indication or alarm
73178T, 23515022, 244 77A, 343 77A, 343108R, 343112A, 343112CA, G01C 500
Patent
active
039367967
ABSTRACT:
An aircraft instrument for warning the pilot that the aircraft is in an unsafe condition in proximity to the ground. The instrument has inputs representing aircraft configuration, flight condition with respect to the ground, and glide slope. Detector circuits process the inputs and give a warning of unsafe proximity to the ground. The boundary conditions for the warning are selected to avoid false warnings. A glide slope detector distinguishes between a valid glide slope signal and spurious signals, without need for pilot input.
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brantley, James Q., Radar Offers Solution to Midair Plane Collisions, Electronics, 11-1954, pp. 146-150.
Kunin Stephen G.
Reger Duane A.
Sundstrand Data Control Inc.
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