Boots – shoes – and leggings
Patent
1981-02-13
1983-11-22
Gruber, Felix D.
Boots, shoes, and leggings
340 27AT, G06F 1550
Patent
active
044173091
ABSTRACT:
In the aircraft navigation computer disclosed herein, a first voltage is generated which is varied as function of the position of a map strip and this voltage is compared with a second voltage which varies in accordance with the passage of time. A signal is generated when these voltages cross each other, signifying satisfaction of the navigation equation: distance=time.times.speed.
REFERENCES:
patent: 2475314 (1949-07-01), Dehmel
patent: 3532267 (1970-10-01), Tobin
patent: 3558867 (1971-01-01), Pahi
patent: 3619580 (1971-11-01), Swale
patent: 3967098 (1976-06-01), Harnagel et al.
Dwork Stuart D.
Gruber Felix D.
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