Self-centering needle-less magnetic compass

Details Self-centering needle-less magnetic compass Self-centering needle-less magnetic compass

1988-04-21

1989-07-18

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

G01C 1708

Patent

active

048480029

ABSTRACT:
A magnetic compass having a magnet bearing float in a liquid and which float is self-centering and rotatable relative to an element of soft magnetic material spaced below it so as to align a pointer on the float with the earth's north magnetic pole and with the north point of a compass readout dial.

REFERENCES:
patent: 1754055 (1930-04-01), Senter
patent: 2041072 (1936-05-01), Kollsman
patent: 2506353 (1950-05-01), Finneran, Jr. et al.
patent: 3068583 (1960-12-01), Goshen
patent: 3286358 (1966-11-01), Smokowski
patent: 3334420 (1967-08-01), Stockton
patent: 3373498 (1968-03-01), Chabbert
patent: 4156178 (1979-05-01), Stockton

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