Boots – shoes – and leggings
Patent
1977-12-22
1980-09-23
Gruber, Felix D.
Boots, shoes, and leggings
340 27NA, 343 7TA, 364449, 364460, G01C 500, G08G 504
Patent
active
042246695
ABSTRACT:
A geographically referenced minimum safe altitude monitoring, indication and warning system involving use of a navigation computer in conjunction with a memory device storing predetermined minimum safe altitude data as a function of geographic location. The stored data takes into account both natural terrain and man made flight hazards in a mosaic of geographic grid sections covering the navigational territory of interest, and it either arbitrarily assumes in such data "worst case" flight conditions, or one or more actual current conditions of vehicle course, velocity and altitude change rate in providing the system output whether in an airplane, submarine or other vehicle so as to indicate to the pilot or warn the pilot of existing minimum safe altitude or imminent approach to an unsafe altitude.
REFERENCES:
patent: 3133439 (1964-05-01), Luskin
patent: 3373423 (1968-03-01), Levy
patent: 3404398 (1968-10-01), Hoban et al.
patent: 3652836 (1972-03-01), Richardson et al.
patent: 3749335 (1973-07-01), Williams
patent: 3946358 (1976-03-01), Bateman
patent: 3988735 (1976-10-01), Bennett et al.
patent: 4024539 (1977-05-01), Quinlivan et al.
patent: 4030065 (1977-06-01), Bateman
Klass: New Guidance Technique Being Tested, Aviation Week and Space Technology, Feb. 25, 1974, pp. 48/51.
Gruber Felix D.
The Boeing Company
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