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Method for multi-tasking multiple Java virtual machines in a secure environment

DC
  • US 7,178,049 B2
  • Filed: 04/24/2002
  • Issued: 02/13/2007
  • Est. Priority Date: 04/24/2002
  • Status: Expired due to Term
First Claim
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1. A portable processing system for controlling operations in a vehicle, comprising:

  • multiple processors located in the vehicle that transmit and receive messages over a wired or wireless network located within the vehicle, the processors executing different vehicle applications associated with critical operations associated with primary vehicle functions used for driving and controlling the vehicle and non-critical operations associated with providing and controlling driver ergonomic functions not required for operating the primary vehicle driving and control functions;

    at least one of the processors operating as an executive that dynamically initiates the execution of the applications on different processors according to processor availability and the critical and noncritical operations associated with the vehicle applications so that identified failure of at least one of the vehicle applications associated with one of the critical operations is automatically transferred to a selected at least one of the processors currently executing non-critical operations thereby dynamically reassigning the selected at least one of the processors as a backup processor for one or more of the processors executing critical operations.

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