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Slot antenna arrangement for portable personal computers

  • US 5,677,698 A
  • Filed: 08/04/1995
  • Issued: 10/14/1997
  • Est. Priority Date: 08/18/1994
  • Status: Expired due to Fees
First Claim
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1. Electrical apparatus incorporating an antenna arrangement, the apparatus comprising:

  • a casing of dielectric material, said casing having an inner face;

    a substantially planar sheet of electrically conductive material secured to the inner face of said casing, and having formed therein at least two elongate apertures defining respective slot antennas in a diversity configuration, said slot antennas being electrically coupled to the dielectric material of said casing;

    a substantially planar ground plane means secured in spaced relationship with, and substantially parallel with, said sheet of electrically conductive material; and

    respective connection means coupled to at least one edge of each said elongate aperture.

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