Device applicable to direction finding for measuring the relative orientation of two bodies
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United States of America Patent
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Aug 2, 1983
Grant Date -
N/A
app pub date -
Jun 3, 1980
filing date -
Jun 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic coupling device in which two assemblies of three coils are attached respectively to two mechanically independent bodies and form a radiator assembly and a sensor assembly. Each assembly defines a cartesian coordinate frame and is associated with a switching circuit controlled so that the radiator coils are excited successively and separately by the same alternating-current wave and so that the sensor coils are connected separately and successively to processing circuits during each excitation stage of a radiator coil. The processing circuits comprise a synchronous demodulator, a coherent integrator and a control loop for reducing the induced signal received to zero and measuring the corresponding field component. This measurement is performed by an ancillary computer which determines the Euler angles.
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