Multi-stage memory buffer and automatic transfers in vehicle event recording systems

  • US 20070132773A1
  • Filed: 12/08/2005
  • Published: 06/14/2007
  • Est. Priority Date: 12/08/2005
  • Status: Abandoned Application
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First Claim
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1. ) A multi-stage video memory management system comprising:

  • a managed loop memory;

    a high-capacity buffer memory;

    a permanent data store;

    an event trigger; and

    a proximity trigger, said managed loop memory arranged to continuously receive video data from a video camera and record this data in real-time, said high-capacity buffer memory has a capacity at least three times managed loop memory, is coupled to said managed loop memory such that video data may be transferred from the managed loop memory to the high-capacity buffer memory in response to said in event trigger;

    said permanent data store being a mass memory of high durability and capacity suitable for long-term storage coupled to said high-capacity buffer memory such that video data may be transferred from the high-capacity buffer to the permanent data store in response to said proximity trigger.

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