Magnetic heading reference

Details Magnetic heading reference Magnetic heading reference

1982-04-09

1983-12-06

Stearns, Richard R.

Geometrical instruments

Indicator of direction of force traversing natural media

With preselected direction indicator

33356, 33361, 33DIG3, G01C 1730

Patent

active

044184808

ABSTRACT:
Devices for vectorially summing two signals. In a first embodiment (FIG. 3) the vectorial summation is implemented by a mechanical sin/cos mechanism in which a crank 22 drives two linear potentiometers 27 and 29, 90.degree. out of phase. In a second embodiment (FIG. 6) a polarized light resolver generates the sin and cos functions. In a third embodiment (FIG. 8) a printed circuit resolver generates the sin and cos functions.

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