Method for restarting an apparatus if the integrity of data in a memory is lost during micro-outage of power supply
First Claim
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1. An apparatus comprising;
- an electric power supply device for supplying a voltage to the apparatus, an electric power cut detecting circuit for detecting cuts of this supply voltage, a memory fed by this electric power supply device, a device for loading this memory, a restarting device for initializing the apparatus, characterized in that it further includes a control device for controlling the integrity of the memory to switch the restart device into service in the case where the integrity of said memory is lost.
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Abstract
This apparatus comprises a battery (15) for supplying a voltage to the apparatus, a power cut detecting circuit (20) for detecting cuts of this supply voltage, a random-access memory (12) fed by this battery (15). A processor (10) loads this data memory. To avoid this memory being reloaded after a very brief electric power cut of the battery, its integrity is tested. If its contents have remained intact, there is no need for it to be reloaded.
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Citations
10 Claims
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1. An apparatus comprising;
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an electric power supply device for supplying a voltage to the apparatus, an electric power cut detecting circuit for detecting cuts of this supply voltage, a memory fed by this electric power supply device, a device for loading this memory, a restarting device for initializing the apparatus, characterized in that it further includes a control device for controlling the integrity of the memory to switch the restart device into service in the case where the integrity of said memory is lost. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus having a power supply with a power cut detecting circuit for detecting lose of power from the power supply, a memory that receives power from the power supply device, a mechanism for reading and writing to the memory, and a restarting device for initializing the apparatus comprising:
a control device that restarts the apparatus if integrity for the memory is lost. - View Dependent Claims (8, 9, 10)
Specification