Electric stepping motors and remote registers

Details Electric stepping motors and remote registers Electric stepping motors and remote registers

1973-09-14

1976-03-23

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

318138, H02K 3700

Patent

active

039462595

ABSTRACT:
A stepping motor for use in a remote register, such as is used for the remote reading of electricity meters, is arranged to be advanced by current pulses of known constant polarity. The motor includes magnetic biasing means which effect further rotation of the rotor of the stepping motor in the same given direction each time that an input current pulse ends. The motor can therefore be controlled by a simple ON/OFF switch in the electricity meter circuit with a rectifier being provided in the remote register. The magnetic biasing means may consist of one or more cylindrical magnets co-axial with the rotor, or a straight or arcuate bar magnet adjacent to the periphery of the rotor.

REFERENCES:
patent: 3391289 (1968-07-01), Danilewicz
patent: 3470509 (1969-09-01), Silverman
patent: 3546673 (1970-12-01), Harden
patent: 3588888 (1971-06-01), Harden
patent: 3626263 (1971-12-01), McBride
patent: 3671841 (1972-06-01), Hoffmann
patent: 3691414 (1972-09-01), Kappius
patent: 3745388 (1973-07-01), Frederick
patent: 3801844 (1974-04-01), Steele

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