Digital compass

Details Digital compass Digital compass

1997-02-24

1999-03-02

Bennett, G. Bradley

Geometrical instruments

Distance measuring

Opposed contacts

3355801, G01B 702, G01B 730

Patent

active

058755616

ABSTRACT:
A digital compass has a digital screen that shows the distance between compass legs, one half the angle between the compass legs, and a ratio between half of an inductive rod raising value to a length of the compass leg from a compass leg mounting point to a carrier arm mounting point. The information on the digital screen is sufficient for operation of the compass, such as dividing a circle into equal arcs.

REFERENCES:
patent: 297492 (1884-04-01), Bovensiep
patent: 3129514 (1964-04-01), Lintner
patent: 3358371 (1967-12-01), Liesong, Sr.
patent: 4468860 (1984-09-01), Rodengen
patent: 5056238 (1991-10-01), Chi
patent: 5115571 (1992-05-01), Mackin
patent: 5398577 (1995-03-01), Pierce
patent: 5430954 (1995-07-01), Best et al.

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