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Method and apparatus for high efficiency rectification for various loads

  • US 9,000,616 B2
  • Filed: 11/22/2010
  • Issued: 04/07/2015
  • Est. Priority Date: 10/24/2005
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a first AC-to-DC converter configured to receive a signal having a power level within a first power range, the first AC-to-DC converter configured to be operatively coupled to a load, the first AC-to-DC converter has an output resistance substantially equal to a discrete resistance of the load during a first time period;

    a second AC-to-DC converter configured to receive a signal having a power level within a second power range, the second AC-to-DC converter configured to be operatively coupled to the load, the second AC-to-DC converter has an output resistance substantially equal to a discrete resistance of the load during a second time period different from the first time period, the discrete resistance of the load during the second time period being different from the discrete resistance of the load during the first time period;

    a selector operatively coupled to the first AC-to-DC converter and the second AC-to-DC converter, the selector configured to receive an input signal, the selector configured to direct the input signal to the first AC-to-DC converter when a power level of the input signal is within the first power range, the selector configured to direct the input signal to the second AC-to-DC converter when the power level of the input signal is within the second power range.

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