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Altering displayed keys to indicate availability of service for a communications apparatus

  • US 6,131,046 A
  • Filed: 06/19/1996
  • Issued: 10/10/2000
  • Est. Priority Date: 06/23/1995
  • Status: Expired due to Term
First Claim
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1. A communications apparatus suitable for transmission and reception, comprising:

  • an input and display unit for displaying dial keys and operable to call with the dial keys, wherein said dial keys exist as a visual representation of physical dial keys and wherein said visual representation corresponds to areas of said input and display unit that are capable of sensing a user'"'"'s touch,a detector for checking whether a communication is disabled based upon a reception signal, anda display controller, coupled to said input and display unit and said detector for emphasizing the displayed dial keys when the communication is disabled to enable a user to readily ascertain that communication is disabled, wherein said emphasizing includes at least one of changing a size, color and shading of the displayed dial keys.

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