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PORTABLE INTERFACE DEVICE FOR CONTROLLING A MACHINE

  • US 20140028441A1
  • Filed: 07/30/2012
  • Published: 01/30/2014
  • Est. Priority Date: 07/30/2012
  • Status: Active Grant
First Claim
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1. A portable interface device for controlling a machine at at least one control location,wherein the portable interface device is arranged to verify that it is located at the at least one control location,wherein the portable interface device is arranged, in response to a positive verification, to enable a user to control the machine by means of the portable interface device, thereby providing a facility for the user to control the machine by means of the portable interface device, andwherein the portable interface device is arranged, in response to a negative verification, to disable the facility for the user to control the machine, but to enable information about the machine to be displayed.

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