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Portable radio communication apparatus having diversity reception function

  • US 4,914,714 A
  • Filed: 08/28/1987
  • Issued: 04/03/1990
  • Est. Priority Date: 08/30/1986
  • Status: Expired due to Term
First Claim
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1. A portable radio communication apparatus, comprising:

  • a housing for the apparatus;

    transmitter means;

    diversity receiver means;

    transmission filter means connected to said transmitter means;

    first and second reception filter means connected to said diversity receiver means;

    first antenna means normally extending away from said housing but capable of being retracted towards said housing;

    second antenna means mounted inside of or on an outer periphery of said housing; and

    switch means for connecting said second antenna means to a node which, in turn, is connected to said transmission filter means and first reception filter means in a first condition in which said first antenna means is retracted towards said housing, and for connecting said first antenna means to said node and said second antenna means to said second reception filter means in a second condition in which said first antenna means is extended away from said housing.

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