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Electric adjuster

  • US 5,821,739 A
  • Filed: 11/25/1996
  • Issued: 10/13/1998
  • Est. Priority Date: 05/27/1994
  • Status: Expired due to Fees
First Claim
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1. An electric adjuster, comprising:

  • a transformer having one secondary winding and a plurality of primary windings the numbers of windings of which are twice, four times, eight times, . . . 2n-1 times as much as the smallest number of winding ( n is the number of the primary windings), respectively, said secondary winding having an output terminal providing an output voltage; and

    winding switching operation means for automatically switching the combinations of connections of the respective primary windings to adjust the number of composite primary windings in response to the output voltage provided by said output terminal to adjust the output voltage to become constant.

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