Attitude indicator for divers

Details Attitude indicator for divers Attitude indicator for divers

G - Physics

01

B

340/135, 33/91,

G01B 7/30 (2006.01) B63C 11/26 (2006.01) G01C 9/20 (2006.01) G01C 15/14 (2006.01) H01H 35/02 (2006.01)

Patent

CA 1075342

ABSTRACT A device for enabling a diver to determine his relationship to the true horizon in deep and murky waters or when physiological sensations are of little value is described. An attitude sensor, incorporating a series of mercury switches, usually at the back of the diver's helmet or head, is coupled to a series of light emitting diodes equally spaced around the periphery of the face plate of the diving mask or helmet so as to simulate the natural observation that the half space above the horizon is illuminated while the half space below the horizon is not.

276795

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