Magnetic ball joystick

Details Magnetic ball joystick Magnetic ball joystick

1997-10-16

1999-10-19

Strecker, Gerard

Electricity: measuring and testing

Magnetic

Displacement

74471XY, 200 6A, 32420722, G05G 9053, G01B 730

Patent

active

059695200

ABSTRACT:
A joystick mechanism includes a housing, a substantially spherical magnetic ball rotatably mounted on the housing, a joystick shaft attached to the magnetic ball, and a pair of magnetic effect sensors operatively positioned adjacent the magnetic ball. The sensors, which are positioned along the x and y axes, are aimed perpendicular to each other and the z axis. Thereby, movement of the joystick and the ball causes a change in the magnetic field which is measured and indicated by the sensors.

REFERENCES:
patent: 3331971 (1967-07-01), Moller
patent: 3331972 (1967-07-01), Moller
patent: 4459578 (1984-07-01), Sava et al.
patent: 4500867 (1985-02-01), Ishitobi et al.
patent: 4584577 (1986-04-01), Tample
patent: 4661773 (1987-04-01), Kawakita et al.
patent: 4825157 (1989-04-01), Mikan
patent: 5160918 (1992-11-01), Saposnik et al.
patent: 5286024 (1994-02-01), Winblad
patent: 5300883 (1994-04-01), Richeson
patent: 5831554 (1998-11-01), Hedayat et al.

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