Control circuit for magnetic probe

Details Control circuit for magnetic probe Control circuit for magnetic probe

1983-08-03

1985-11-05

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

128 13, 361203, 361208, H01H 4732

Patent

active

045517819

ABSTRACT:
A control circuit for a magnetic probe. A power supply connects the available power to the direct voltages required to control electronic circuitry, and a voltage required for the magnetic probe. A clock establishes a time base for the entire device. A current alternator changes the direction of current flow through the magnet to change the polarity, and a pulse rate control sets the frequency with which the polarity is changed. The current alternator is variable to allow one polarity to remain for a longer time than the other, and to vary the timing for each. The frequency of the pulsing is counted, and the particular frequency is displayed in readable form.

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