Rotary electromagnetic indicator

Details Rotary electromagnetic indicator Rotary electromagnetic indicator

1979-12-17

1981-06-16

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

G06M 110

Patent

active

042739942

ABSTRACT:
A rotary electromagnetic decade indicator having a permanent magnet rotor with ten alternating north and south salient poles, a salient pole stator with primary and secondary salient poles in one-half digit out of phase relationship and a master salient pole with a relatively wide pole face with sections thereof in full digit phase relationship with the primary and secondary poles and a stator winding on the master pole for magnetizing the master pole in either direction and the remaining primary and secondary salient poles in the opposite direction for stepping the rotor one count.

REFERENCES:
patent: 3732561 (1973-05-01), McGinnis
patent: 4071742 (1978-01-01), Fleischer
patent: 4125762 (1978-11-01), Fleischer

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