Dynamic head motion measuring system

Details Dynamic head motion measuring system Dynamic head motion measuring system

1982-06-18

1984-07-24

Hayes, Monroe H.

Optics: motion pictures

Methods

Applications

352 57, G03B 1918, G03B 2132

Patent

active

044615531

ABSTRACT:
A stereo photographic measurement system having two wide angle lenses conted to a high speed motion picture camera by fiber-optic imaging bundles, and a target system, the camera and lenses being mounted upon one object and the target being mounted upon another object subject to motion relative thereto within the overlapping views of the lenses. In one embodiment head motion relative to the subject's torso during parachute opening is measured by this system with the target mounted on the back of the head and the lenses mounted near the base of the neck. Measurements of target position in each frame of stereo film by comparison of position of squares on the target are used to calculate head motion with respect to the upper torso.

REFERENCES:
patent: 1470407 (1923-10-01), Watson
patent: 2565381 (1951-08-01), Leighton
patent: 3074170 (1963-01-01), Zabel et al.
patent: 3121322 (1964-02-01), Caldwell
patent: 3353282 (1967-11-01), Sneed
patent: 3694072 (1972-09-01), Danko et al.
patent: 3699856 (1972-10-01), Chabot et al.
patent: 4197855 (1980-04-01), Lewin

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