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Vehicle controller for controlling rewriting data in a nonvolatile memory

  • US 6,898,490 B2
  • Filed: 10/09/2002
  • Issued: 05/24/2005
  • Est. Priority Date: 10/09/2001
  • Status: Expired due to Fees
First Claim
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1. A vehicle controller comprising:

  • a first buffer for storing at least one data block;

    a second buffer for storing at least one data block;

    a rewritable nonvolatile memory for storing information for controlling a vehicle;

    means for receiving a data block from an external rewriting device to store it in the first buffer;

    means for transferring the data block stored in the first buffer to the second buffer;

    means for writing the data block stored in the second buffer into the memory;

    wherein when said means for writing is writing a first data block into the memory, said means for receiving receives a subsequent data block.

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