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Inspection chip for sensor measuring instrument

  • US 6,792,791 B2
  • Filed: 12/12/2001
  • Issued: 09/21/2004
  • Est. Priority Date: 02/18/2000
  • Status: Expired due to Term
First Claim
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1. A check chip to be mounted on a measuring device to check operations of the measuring device, said check chip comprising a sensor body with at least one structural characterizing portion provided thereon, said at least one structural characterizing portion allowing a user of the measuring device to recognize a difference from a correction chip having at least one structural characterizing portion thereon, the correction chip being for correcting errors in the measuring device,wherein said at least one structural characterization portion of said check chip is a plurality of structural characterization portions, the difference between said check chip and the correction chip residing in that said check chip is provided with at least one of said plurality of structural characterizing portions on each of two sides of said check chip, while the correction chip is provided with the at least one structural characterizing portion only on one side of the correction chip.

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