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Dual mode mobile telephone apparatus with user selected analog and digital call modes

  • US 6,058,316 A
  • Filed: 10/22/1993
  • Issued: 05/02/2000
  • Est. Priority Date: 02/06/1991
  • Status: Expired due to Fees
First Claim
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1. A dual mode mobile telephone apparatus for transmitting and receiving signals between a base station and a mobile station using a radio line comprising:

  • a transmitting/receiving portion for transmitting and receiving signals of different kinds of call modes, said different kinds of call modes comprising a digital call mode and an analog call modean operation portion for assigning an available call mode for the mobile station selected by the user from among said different kinds of call modes;

    a call mode detection portion for detecting the call mode selected from among said different call modes;

    a call mode store portion for storing the call mode which is detected by the call mode detection portion; and

    a response signal generating portion for receiving a calling signal from the base station and generating a response signal which is sent back to the base station in response to the calling signal from the base station, said response signal including the call mode detected by said call mode detection portion.

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