Heading sensor

Details Heading sensor Heading sensor

1985-05-22

1987-04-14

Levy, Stewart J.

Geometrical instruments

Indicator of direction of force traversing natural media

Diverse directional indicator

33354, 33361, 33366, 73178R, 73517R, 324247, 324251, G01C 1702

Patent

active

046567500

ABSTRACT:
A solid-state heading sensor is comprised by a three-axis Hall effect magnetometer and a three-axis accelerometer. The magnetometer is comprised by a cube-like structure (10) of non-magnetic material on each of three orthogonally related faces of which is located a respective Hall effect device (11, 12, 13), for example of GaAs. The three-axis accelerometer may be comprised by a three-axis module (15) disposed in a recess in the cube-like structure, or by three separate accelerometer structures (23, 24, 25), for example planar etched silicon accelerometers, each disposed on a respective one of the orthogonally related faces adjacent the Hall effect device (20, 21, 22) thereon.

REFERENCES:
patent: 3197880 (1965-08-01), Rice et al.
patent: 3304787 (1967-02-01), Chiku et al.
patent: 3899834 (1975-08-01), Harrison
patent: 4212443 (1980-07-01), Duncan et al.
patent: 4483194 (1984-11-01), Rudolf
Ross et al., "The Hall-Effect Compass", Journal of Scientific Instruments, vol. 34, Dec. 1957, pp. 479-484.

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