Inductor devices – Relatively movable coils – Movable along or parallel to other coil axis
Patent
1974-04-05
1976-06-08
Kozma, Thomas J.
Inductor devices
Relatively movable coils
Movable along or parallel to other coil axis
H01F 2104
Patent
active
039626636
ABSTRACT:
Inductive position determining device which comprises a signal winding having meander curves which extend at right angles to the direction in which displacement is determined and two pick-up windings which have corresponding meander curves. The meander curves have a given width and the meander curves of the two pick-up windings show intervals of increased width in which at least one of the meander curves of the other pick-up winding is accommodated. By special proportioning of the limbs of the meander curves the mean medians of the limbs of the two pick-up windings coincide. As a result the position determining device becomes largely insensitive to rotation errors between the carriages on which the signal winding and the pick-up windings respectively are placed.
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patent: 3772587 (1973-11-01), Farrand et al.
Kozma Thomas J.
Trifari Frank R.
U.S. Philips Corporation
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