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Write-protected recording

DC
  • US 9,485,471 B2
  • Filed: 03/08/2013
  • Issued: 11/01/2016
  • Est. Priority Date: 08/31/2006
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a sensor having a data capturing component that captures sensor data;

    a local memory functionally coupled to the sensor;

    a recording facility that records the sensor data into available portions of a buffer in the local memory; and

    a protecting facility that responds to a signal to record the sensor data by designating a segment of the buffer as a write-protected segment and by indexing the write-protected segment as a file in the buffer, wherein the write-protected segment includes a pre-recorded subset recorded before the signal is received and a post-recorded subset to be recorded after the signal is received.

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