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Cellular telephone device and transmitter to cellular telephone

  • US 7,024,176 B2
  • Filed: 04/10/2002
  • Issued: 04/04/2006
  • Est. Priority Date: 12/11/2001
  • Status: Expired due to Fees
First Claim
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1. A cellular telephone device comprising:

  • a radio-frequency device including a telephone section for sending and receiving radio frequency communication signals; and

    ,a processor for controlling said radio frequency device to perform the steps of;

    responsive to receiving communication forbidding information to enter a communication prohibit mode;

    sending an answering mode registration request signal to initiate an answering mode, andmaintaining said telephone device in a sleep status; and

    responsive to not receiving said communication forbidding information;

    restoring said telephone section in to an operation status;

    sending an answering mode cancel request signal; and

    receiving an answering message;

    whereby a cancellation of the answering mode is initiated,wherein said processor controls to set an emergency telephone mode by executing an operation to cancel the communication prohibit mode when said telephone section is in said sleep status.

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