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Wireless data communication apparatus using the diffused infrared-ray antenna

  • US 6,154,300 A
  • Filed: 11/12/1997
  • Issued: 11/28/2000
  • Est. Priority Date: 11/12/1996
  • Status: Expired due to Fees
First Claim
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1. A wireless data communication apparatus, comprising:

  • a plurality of terminals each having an optical communication module for transmitting and receiving infrared-ray signals, wherein the optical communication module includes an infrared-ray antenna having a parabolic shape and having a hyperbolic optical reflector; and

    a repeater which receives the infrared-ray signals transmitted from one of said plurality of terminals and transmits the infrared-ray signals to another of said plurality of terminals, wherein said repeater includes a plurality of parabolic shaped infrared-ray antennas.

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