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System and method for preventing damage to media files within a digital camera device

  • US 5,935,259 A
  • Filed: 09/24/1996
  • Issued: 08/10/1999
  • Est. Priority Date: 09/24/1996
  • Status: Expired due to Term
First Claim
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1. A system for preventing damage to media files within a digital camera, comprising:

  • a power manager for detecting a power failure in said digital camera;

    an interrupt handler for responsively incrementing a counter device following said power failure; and

    a memory driver for performing a memory access operation said memory driver evaluating said counter device prior to performing said memory access operation to obtain a pre-operation value, evaluating said counter device subsequent to performing said memory access operation to obtain a post-operation value, comparing said pre-operation value and said post-operation value to determine whether a difference between said pre-operation value and said post-operation value exists to indicate that said power failure occurred during said memory access operation, and repeating said memory access operation if said pre-operation value and said post-operation value are different.

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