Controller arrangement with automatic power down

Details Controller arrangement with automatic power down Controller arrangement with automatic power down

2006-06-20

2006-06-20

Duda, Rina (Department: 2837)

Electricity: motive power systems

Limitation of motor load, current, torque or force

C318S135000, C318S432000, C318S599000, C318S685000, C318S811000, C327S172000, C327S175000, C363S041000

Reexamination Certificate

active

07064510

ABSTRACT:
A control circuit is described in which a single input terminal receives digital control signals and analog control signals. In accordance with the principles of the invention, the control circuit includes an automatic power down circuit to place the control circuit into a low power draw or “sleep” mode whenever predetermined conditions are present. The automatic power down circuit monitors the single input terminal and when no demand for motor operation occurs for a predetermined period of time, the automatic power down circuit operates to place the control circuit into the low power draw mode.

REFERENCES:
patent: 5361025 (1994-11-01), De Filippis et al.
patent: 5828200 (1998-10-01), Ligman et al.
patent: 6812669 (2004-11-01), Hagen

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