Illuminating navigation device

Details Illuminating navigation device Illuminating navigation device

1995-03-01

1997-08-12

Bennett, G. Bradley

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

362355R, 362205, G01C 1702

Patent

active

056553080

ABSTRACT:
An electronic audio/visual direction indicator for underwater or other types of navigation which gives unobtrusive and continuous directional feedback without the need for manual manipulation.

REFERENCES:
patent: 2237963 (1941-04-01), Hawks
patent: 3786571 (1974-01-01), Kelman
patent: 4139951 (1979-02-01), Cunard et al.
patent: 4232451 (1980-11-01), Thomsen
patent: 4774766 (1988-10-01), Posseme
patent: 5187871 (1993-02-01), McDermott
patent: 5313712 (1994-05-01), Curameng et al.

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