Temperature compensated rotary positioner

Details Temperature compensated rotary positioner Temperature compensated rotary positioner

1980-02-25

1981-10-06

Pitts, Harold I.

Communications: electrical

Audible indication

Percussion-type sound producer

3403782, G08B 500

Patent

active

042938503

ABSTRACT:
A rotary positioning system includes a prime movement device having a plurality of windings spatially distributed to cause a rotor to assume, upon commanded energization of the windings, different ones of discrete angular positions. The system also includes a temperature variable power supply which compensates for the rotor's temperature-dependent variation in damping.

REFERENCES:
patent: 3350709 (1967-10-01), Pursiano
patent: 3736588 (1973-05-01), Harden
patent: 4100473 (1978-07-01), Lawrenson

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