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Operational terminal device, display control device, method of operating terminal device, method of operating display control device, and system

  • US 8,803,811 B2
  • Filed: 10/14/2011
  • Issued: 08/12/2014
  • Est. Priority Date: 10/22/2010
  • Status: Active Grant
First Claim
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1. An operational terminal device comprising:

  • a control unit to control display, on a display screen of the terminal device, of at least one operation button to control a display control device external to the terminal device, based on a result of analysis of button information associated with the operation button and received as a display control command from the display control device.

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