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Access-protected programmable instrument system responsive to an instrument-pass

  • US 20040215415A1
  • Filed: 02/12/2004
  • Published: 10/28/2004
  • Est. Priority Date: 02/18/2003
  • Status: Abandoned Application
First Claim
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1. A gauge system comprising:

  • an electronic instrument including at least one programmable feature and at least one access module restricting access to the at least one programmable feature; and

    an instrument-pass operable with the access module, wherein the access module is responsive to the instrument-pass to allow and to restrict access to the at least one programmable feature.

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