Contactless switch and joystick controller using Hall elements

Details Contactless switch and joystick controller using Hall elements Contactless switch and joystick controller using Hall elements

1983-06-03

1984-12-18

Envall, Jr., Roy N.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338 32H, 200 6A, 74471XY, 273148B, H01L 4306

Patent

active

044893035

ABSTRACT:
In a contactless switch, a magnet is mounted on a rod for movement against the action of a spring to actuate a Hall effect switch. A contactless joy stick switch comprises a rod (20) supported and normally maintained in alignment with an axis (22) by an elastomeric spring (28). A plurality of Hall effect switches (42) are mounted in a circular array around the axis for actuation by a magnet (26) mounted on the rod upon displacement of the rod out of alignment with the axis. A contactless push button switch comprises a magnet (86) supported on a rod (74) which is supported for sliding movement along an axis (78) against the action of a spring (82). Displacement of the magnet (86) actuates a Hall effect switch (94). Another contactless push button switch (100) includes magnets (106, 108) positioned to actuate a Hall effect switch (110) upon sliding movement of a rod (74') against the action of a spring (82').

REFERENCES:
patent: 3331971 (1967-07-01), Moller
patent: 3611358 (1971-10-01), Dalmasso
patent: 3882337 (1975-05-01), Pfeffer et al.
patent: 4107604 (1978-08-01), Bernier
"Applying Linear Output Hall Effect Transducers", Microswitch, a Honeywell Division, Pub. 84 05704-A 980, pp. 1-4, 1982.

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