Methods and apparatus for protecting the integrity of...

G - Physics – 06 – F

Patent

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G06F 11/14 (2006.01)

Patent

CA 2214515

Methods and apparatus for preventing the loss and/or corruption of process data stored by data collection and/or test instruments (referred to hereinafter collectively as "recording instruments"), which may otherwise result from events such as the removal of aforementioned storage media while data transfer operations are in progress; loss of power to the recording instrument while data transfer operations are in progress; and/or the execution of internal CPU traps or other CPU reset conditions while data transfer operations are in progress. The methods and apparatus contemplated by the invention also provide for the recovery of process data which has been corrupted during a power loss or CPU reset when normal operation of a recording instrument resumes.

Procédés et appareil pour empêcher la perte et/ou l'altération de données de traitement lors d'événements tels que le retrait dudit support d'information alors que des opérations de transfert de données sont en cours, au moyen d'appareils de collecte de données et/ou d'essai (désignés ici collectivement par le terme appareils de mesure); la coupure de l'alimentation de l'appareil de mesure lors d'opérations de transfert de données; et la survenance du piégeage d'unité centrales interne ou de remise à l'état initial de l'UC alors que des opérations de transfert de données sont en cours. Les procédés et appareil selon l'invention permettent également la récupération de données de traitement ayant été altérées pendant une coupure d'alimentation ou une remise à l'état initial d'une UC lors de la reprise du fonctionnement normal d'un appareil d'enregistrement.

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