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Data recorder

  • US 7,783,956 B2
  • Filed: 07/12/2006
  • Issued: 08/24/2010
  • Est. Priority Date: 07/12/2006
  • Status: Active Grant
First Claim
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1. A data recorder comprising:

  • a first memory element including read/write capability;

    a second memory element including non-volatile memory; and

    a controller for realizing memory management functions, wherein the controller writes selected data from the first memory element to the second memory element in response to a predetermined triggering event, the selected data including data that have been modified after a prior triggering event;

    wherein each triggering event results in one of multiple records each describing a state of data elements, and a user may select one of the multiple records and restore the selected record to operating memory in real time.

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