Calibration sequence and method for an electronic compass

Details Calibration sequence and method for an electronic compass Calibration sequence and method for an electronic compass

1986-11-17

1988-01-26

Noland, Tom

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

364569, 364571, 33356, 33361, G01C 1738

Patent

active

047209925

ABSTRACT:
A calibration sequence and method for use with an electronic compass which allows for the separation of the vehicle's magnetic field from the earth's magnetic field so that the earth's field can be measured and used to give vehicle direction; such calibration sequence being done with a mirrored 180 degree re-orientation of the vehicle.

REFERENCES:
patent: 3943763 (1976-03-01), Garner
patent: 4424631 (1984-01-01), Franks
patent: 4425717 (1984-01-01), Marcus
patent: 4505054 (1985-03-01), Clark et al.
patent: 4539760 (1985-09-01), Marchent et al.
patent: 4546550 (1985-10-01), Marchent et al.
patent: 4546551 (1985-10-01), Franks
patent: 4611293 (1986-09-01), Hatch et al.
Article entitled: "A Magnetic Heading Reference for the Electro Fluidic Auto Pilot"; by Howell D. Garner from Sport Aviation, Part I; Nov. 1981, Part II; Dec. 1981.
Article entitled: "Magnetic Field Sensor and its Application to Automobiles" by Hisatsugu Itoh dated Feb. 1980, and published by the Society of Automotive Engineers as Paper No. 800123.

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