Three dimensional tracking system employing a rotating field

Details Three dimensional tracking system employing a rotating field Three dimensional tracking system employing a rotating field

1993-06-16

1997-07-08

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

32420722, 342450, G01B 714, G01S 504, G01R 3302

Patent

active

056465246

ABSTRACT:
Apparatus for determining the position and orientation of a helmet worn by a crew member in a vehicle including a generator, associated with the vehicle, which produces a rotating magnetic and electric field of fixed strength, orientation and frequency within at least a portion of the vehicle. The apparatus also includes a plurality of detectors each of which generates a signal proportional to at least one of the electric or magnetic fields at least one point associated with the helmet and calculation circuitry responsive to the signal for ascertaining the coordinates of the at least one point with respect to the generator and for determining the position and orientation of the helmet.

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