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Error detection and display system

  • US 5,265,468 A
  • Filed: 02/27/1992
  • Issued: 11/30/1993
  • Est. Priority Date: 03/02/1991
  • Status: Expired due to Term
First Claim
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1. An error detection and display system for an apparatus having first and second operating states, comprisingmeans for detecting errors of a first kind which occur and can be detected in said first operating state of said apparatus, and for detecting errors of a second kind which occur and can be detected only in said second operating state of said apparatus,means for displaying the presence of said errors of said first and second kinds,erasable non-volatile error memory means for storing the occurrence of at least said errors of said second kind, andswitch-on control means for switching on and keeping on said error detection means and said display means, for switching off said display means while said apparatus is in said first operating state if no error of the first kind is detected by said error detection means and no error of the second kind is stored in said error memory means, and for switching off said display means during said second operating state of said apparatus if an error of the second kind is stored in said error memory means only if said error detection means does not detect an error of the first or second kind.

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