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Electronic control unit, in particular for a device provided in a motor vehicle

  • US 6,308,121 B1
  • Filed: 09/23/1997
  • Issued: 10/23/2001
  • Est. Priority Date: 09/23/1996
  • Status: Expired due to Fees
First Claim
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1. An electronic control unit, comprising:

  • a first volatile data memory;

    a second nonvolatile data memory for receiving and storing variable data from said volatile data memory;

    a temperature sensor supplying information signaling a temperature of said nonvolatile data memory; and

    a computer receiving the temperature information from said temperature sensor, said computer copying data from said volatile data memory to said nonvolatile data memory only when the temperature signaled by said temperature sensor falls below a predetermined value, and data being read from said nonvolatile data memory up to an upper temperature limit lying above said predetermined value.

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