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Antenna operating in two frequency ranges

  • US 6,054,966 A
  • Filed: 06/05/1996
  • Issued: 04/25/2000
  • Est. Priority Date: 06/06/1995
  • Status: Expired due to Fees
First Claim
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1. An antenna for transmitting and receiving radio frequency oscillations by using a radio transceiver, said antenna comprising:

  • a first antenna element which has a first input impedance and a first resonance frequency; and

    a second antenna element which is a cylindrical coil conductor and has a second input impedance and a second resonance frequency that is different than said first resonance frequency,wherein a part of said first antenna element is located inside said cylindrical coil conductor, and wherein the first and second antenna elements provide two respective different, separate and spaced operating frequency ranges, wherein the two different operating frequency ranges are separated from each other by at least about 400 MHz.

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