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High voltage full bridge circuit and method for operating the same

  • US 7,489,530 B2
  • Filed: 06/15/2006
  • Issued: 02/10/2009
  • Est. Priority Date: 06/15/2005
  • Status: Active Grant
First Claim
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1. In an environment comprising an output circuit for providing an AC voltage, wherein the output circuit comprises a first, second, third and fourth switch, a method of operating the output circuit comprising:

  • (a) operating the switches so that the first and fourth switch are on and the second and third switch are off for a first period of time;

    (b) after said first period of time has expired, operating the switches so that the first and fourth switch are off and the second and third switch are on for a second period of time; and

    (c) after said second period of time has expired, repeating steps (a) and (b) one or more times,wherein the switches are connected in series such that the second switch is connected directly between the first switch and the third switch and the third switch is connected directly between the second switch and the fourth switch.

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