Electromagnetic position and orientation detector for a pilot's

Details Electromagnetic position and orientation detector for a pilot's Electromagnetic position and orientation detector for a pilot's

1990-12-03

1992-04-28

Wieder, Kenneth A.

Electricity: measuring and testing

Magnetic

Displacement

32420712, 324225, G01B 714

Patent

active

051091941

ABSTRACT:
An electromagnetic position and orientation detector. A determination is made by a calculator of the position and the orientation of a mobile sensor as a function of the coupling coefficients measured between each of the coils of the sensor and each of the coils of a transmitter. These measurements are tainted with errors due to the imperfections in gain of the various elements of the transmission and reception channels. To eliminate these errors, a stationary sensor is used whose coupling coefficients with the coils of the transmitter are measured to serve as a reference to correct the coupling coefficients between the coils of the transmitter and of the mobile sensor.

REFERENCES:
patent: 4054881 (1977-10-01), Raab
patent: 4396885 (1983-08-01), Constant
patent: 4613866 (1986-09-01), Blood
patent: 4642786 (1987-02-01), Hansen
patent: 4829250 (1989-05-01), Rotier
patent: 4849692 (1989-07-01), Blood
patent: 4945305 (1990-07-01), Blood

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