×

Methods and devices for the suppression of harmonics

  • US 7,711,332 B2
  • Filed: 08/29/2006
  • Issued: 05/04/2010
  • Est. Priority Date: 01/29/1998
  • Status: Active Grant
First Claim
Patent Images

1. A method of suppressing harmonics of a signal transmitted from an antenna, the signal having a carrier with an imposed modulated data signal, the method comprising the steps of:

  • providing a modulator associated with a controlled variable impedance, the controlled variable impedance being selectable between at least two non-zero impedance values;

    providing the modulator, wherein the modulator is connected in series between a load and the antenna, the modulator being operable to modulate in accordance with the signal; and

    configuring the modulator to produce a voltage across the antenna corresponding to a voltage provided by the controlled variable impedance.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×