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Communication terminal apparatus and control method thereof

  • US RE39,959 E1
  • Filed: 12/03/2001
  • Issued: 12/25/2007
  • Est. Priority Date: 04/20/1994
  • Status: Expired due to Term
First Claim
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1. A communication terminal apparatus comprising:

  • a body;

    transmitting and receiving means arranged in said body;

    selection operation means arranged on said body operable by a user in a first direction along a surface of said body and in a second direction substantially perpendicular to the first direction;

    operation detection means for detecting an operation of said selection operation means in said first direction and in said second direction;

    storage means for storing data of a plurality of communicates;

    display means for displaying said plurality of communicatees read out of said storage means; and

    control means for controlling said display means so that one of said plurality of communicatees is selected on said display means in response to a detection result of said operation detection means when said selection operation means is operated in said first direction, and for controlling said transmitting and receiving means to originate a call to said plurality of communicatees selected on said display means in response to a detection result of said operation detection means when said selection operation means is operated in said second direction, and perform a mute operation in response to operating said selection operation means in said second direction, wherein said control means controls said transmitting and receiving means to adjust a reception sound volume in response to operating said selection operation means in said first direction during a communication operation, and wherein said control means controls said transmitting and receiving means to perform a mute operation in response to operating said selection operation means in said second direction.

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