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Multiple output DC-to-DC voltage converter apparatus

  • US 4,480,298 A
  • Filed: 01/25/1983
  • Issued: 10/30/1984
  • Est. Priority Date: 01/25/1983
  • Status: Expired due to Fees
First Claim
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1. In signal converter apparatus operative with an input power source for energizing a first load and a second load, the combination offirst switch means coupled with the input power source;

  • first signal supply means including a transformer having a primary winding connected to the first switch means and a plurality of secondary windings, with one of the secondary windings energizing the first load with a first output signal;

    first control means operative with the first switch means and responsive to the first output signal for determining the actual voltage of the first output signal by controlling the frequency of the first output signal;

    second signal supply means including second switch means coupled with another of the secondary windings and energizing the second load with a second output signal having said frequency; and

    second control means operative with the second switch means and being responsive to a control signal determined by the first output signal and at least one of the current and voltage of the second output signal for determining the ON time phase relationship of the second switch means to control the second output signal.

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