Electricity: measuring and testing – Magnetic – Displacement
Patent
1994-06-29
1996-09-24
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
74471XY, 32420722, 32420725, 901 46, 345161, 244234, 463 36, G01B 730, G05D 108, G05G 900, G09G 500
Patent
active
055594328
ABSTRACT:
A joystick transducer utilizing a rotating magnetic field within a hollow toroid core, this rotating field drives a polar sensor element to which a 360 degree variable flux coupling element is operated by a joysyick to generate an output signal the phase angle of which corresponds to the azimuth direction of joystick tilt and the amplitude of this same signal corresponds to the magnitude of joystick tilt. A plurality of independent joysticks are also provide on one hollow driving core.
REFERENCES:
patent: 4584577 (1986-04-01), Temple
patent: 4595843 (1986-06-01), Del Vecchio et al.
patent: 4825157 (1989-04-01), Mikan
patent: 5160918 (1992-11-01), Saposnik et al.
patent: 5168221 (1992-12-01), Houston
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