Method of controlling an apparatus, which is operated by a...

G - Physics – 06 – F

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G06F 9/40 (2006.01) G06F 11/14 (2006.01)

Patent

CA 1169567

PHF SO 517 C 10-2-1981 ABSTRACT: "Method of controlling an apparatus, which is operated by a solid-state processor and powered by an electric mains, in case of a power failure, and apparatus employing said method." Method of operating a mains-powered processor- controlled electrical apparatus when the power fails and is subsequently restored and apparatus therefor. In the case of a power outage data identifying the programme in pro- gress is transferred for salvage to a memory. When power is restored and if the duration of the mains-power failure is smaller than a predetermined value, physical parameters which define the instantaneous state of the apparatus are sensed in response to an instruction from the processor in order to determine the conditions under which the pro- gramme may be resumed by the apparatus.

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