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Control panel for a measuring device

  • US 9,024,775 B2
  • Filed: 08/02/2011
  • Issued: 05/05/2015
  • Est. Priority Date: 08/05/2010
  • Status: Active Grant
First Claim
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1. A control panel for a measuring device including a housing and at least one control and inspection window, the control panel comprising:

  • at least one finger-operable optical key comprising a transmitting element and a receiving element, and the at least one optical key is constructed to be operable through the at least one control and inspection window using a control finger;

    at least one finger-operable mechanical key corresponding in function to the at least one finger-operable optical key; and

    at least one evaluation unit that is configured to detect operation of said at least one finger-operable optical key and said at least one finger-operable mechanical key,said at least one evaluation unit being operable for deactivating said at least one finger-operable optical key as soon as said at least one finger-operable mechanical key is operated, andsaid at least one evaluation unit being operable for deactivating said at least one finger-operable optical key by acting on at least one of said transmitting element and said receiving element of said at least one finger-operable optical key.

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