Battery powered motor drive with temperature-responsive battery

Details Battery powered motor drive with temperature-responsive battery Battery powered motor drive with temperature-responsive battery

1985-02-20

1987-05-19

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, 320 35, 307 66, H02I 800

Patent

active

046671404

ABSTRACT:
An improved battery powered quartz timing control circuit that drives a stepper motor, featuring a battery heated by a temperature-responsive battery heater which is activated when the ambient temperature in the vicinity of the battery drops below a predetermined temperature.

REFERENCES:
patent: 4229687 (1980-10-01), Newman
patent: 4233680 (1980-11-01), Sudler et al.
patent: 4334243 (1982-06-01), Srivastava

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