Process for determining the position of a helmet

Details Process for determining the position of a helmet Process for determining the position of a helmet

1994-01-25

1995-09-26

Fulton, Christopher W.

Geometrical instruments

Miscellaneous

Light direction

33512, 35613903, G01B 524

Patent

active

054525160

ABSTRACT:
Helmet positioning measurement system enabling the determination of the position in space of a helmet by measuring at least three distances (D1, D2, D3. . ) between at least three points located on the helmet (C1, C2, C3. . . ) and three corresponding points (S1, S2, S3. . .) located on the seat or the cabin, these said points being placed in such a way that it is possible to compute at least two position parameters .theta. and .alpha. with a great precision using the following univocal relations:

REFERENCES:
patent: 4062247 (1977-12-01), Brown et al.
patent: 4691446 (1987-09-01), Pitches et al.
patent: 4792697 (1988-12-01), Le Parquier et al.
patent: 5059789 (1991-10-01), Salcudean
patent: 5085507 (1992-02-01), Williams
patent: 5208641 (1993-05-01), Mocker et al.

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