Measuring and testing – Navigation – Take-off and landing monitors
Patent
1974-01-23
1976-04-13
Woodiel, Donald O.
Measuring and testing
Navigation
Take-off and landing monitors
G01C 2100
Patent
active
039495973
ABSTRACT:
A device for determining the longitudinal and latitudinal position of a carrier includes a gyroscopic system having a cage on which three pairs of masses are supported for rotation about mutually perpendicular axes. The cage is supported in a support with three degrees of freedom of movement so that, after the gyroscopic system is set into motion in a position in which one of the axes is parallel to the terrestrial axis, it will maintain its position in the celestial space, regardless of the rotation of the Earth and of the movement of the carrier with respect thereto, while the support follows such rotation and such movement. The change in the angular positions of the support with respect to the cage indicates the time elapsed and the change in position of the carrier, and the indication of the time elapsed can be eliminated either by calculation or by rotating an indicator in synchronism with the rotation of the Earth. A pendular system supports the gyroscopic system and indicates the position of the instantaneous vertical independently of the oscillatory movement of the carrier.
REFERENCES:
patent: 3050995 (1962-08-01), Dozier
patent: 3163039 (1964-12-01), Newman et al.
Striker Michael J.
Woodiel Donald O.
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