Contactless electric control-handle
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United States of America Patent
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-
Feb 10, 1987
Grant Date -
N/A
app pub date -
Apr 24, 1985
filing date -
May 2, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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