Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Patent
1996-12-20
1998-05-12
Bennett, G. Bradley
Geometrical instruments
Indicator of direction of force traversing natural media
Magnetic field responsive
33349, 33355R, G01C 1702
Patent
active
057491500
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.
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Bennett G. Bradley
Bloom Leonard
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