METHOD OF DISTANCE SELECTION BETWEEN POLE PIECE OF MAGNETIC INDUCTION PICKUP Russian patent published in 1995 - IPC

FIELD: automatics, instrumentation engineering. SUBSTANCE: method of distance selection between pole pieces of magnetic induction pickup involves rotation of permanent magnet with reference to pole pieces of magnetic induction pickup and selection of distance between pole pieces given that equality of phase shift between pulses induced in each pole piece to phase shift between pulse extreme is provided. Magnet is rotated with specified speed n by one of pole pieces, duration τ of pulse between extreme is measured and sought-for distance is found from relation which simplified selection of distance and expands possibilities of use of pickup with provision for its maximum sensitivity. EFFECT: simplified selection of distance between pole pieces, provision for maximum sensitivity of pickup. 2 dwg