Contactless electric control-handle

Details Contactless electric control-handle Contactless electric control-handle

1985-04-24

1987-02-10

Grimley, Arthur T.

Inductor devices

Relatively movable core and coil

Plural relatively movable core parts

336134, 200 6A, H01F 2106

Patent

active

046425950

ABSTRACT:
A contactless electric control handle having a field coil for forming an electro-magnetic field, inductive pick-up coils angularly spaced apart around the axis of the field. The rod of the control handle constitutes the core of the field coil. The field coil and the pick-up coils have the shape of annular, concentric conductors, whereas ferrite is applied to the rod in order to employ high frequencies up to 1 MHz.

REFERENCES:
patent: 3270260 (1966-08-01), Mehr
patent: 4421997 (1983-12-01), Forys
patent: 4425511 (1984-01-01), Brosh
patent: 4434412 (1984-02-01), Ruumpol
patent: 4453124 (1984-06-01), Francis et al.
patent: 4462015 (1984-07-01), Netzen
patent: 4494109 (1985-01-01), Bernin
patent: 4544803 (1985-10-01), Schaller

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