05646525 is referenced by 83 patents and cites 19 patents.

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.

Title
Three dimensional tracking system employing a rotating field
Application Number
77523
Publication Number
5646525
Application Date
February 8, 1995
Publication Date
July 8, 1997
Inventor
Pinhas Gilboa
Haifa
IL
Agent
Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro
Assignee
Elbit
IL
IPC
G01R 33/02
G01S 5/04
G01B 7/14
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