Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Patent
1978-09-28
1980-11-11
Little, Willis
Geometrical instruments
Indicator of direction of force traversing natural media
Magnetic field responsive
33363R, 318647, G05F 100
Patent
active
042324513
ABSTRACT:
A detector to detect angular positions of a rotatable magnet, i.e., a magnetic compass, having one or more flux-sensitive components, namely Hall-elements. The detector includes a substantially flat and circular carrying body to be mounted on the top or bottom of a compass. On the carrying body the Hall-elements are mounted parallel to and close to the flat surface and positioned on diameters perpendicular to axes of symmetry of the flat surface. The carrying body can be rotatably fastened on the compass case and locked in desired predetermined positions.
REFERENCES:
patent: 3657629 (1972-04-01), Lloyd
patent: 4053829 (1977-10-01), Maruo
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