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General purpose uninterruptible power supply

  • US 4,675,538 A
  • Filed: 06/02/1986
  • Issued: 06/23/1987
  • Est. Priority Date: 06/02/1986
  • Status: Expired due to Fees
First Claim
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1. A backup power system unit comprising:

  • a circuit board for use in a circuit board rack assembly;

    power connection means on said circuit board for coupling the unit to a main power supply;

    a universal buss mounted on said circuit board and connected to said power connection means to receive power from said main power supply;

    a backup power supply means connected to said circuit board and connected to said universal buss to be in parallel with said main power supply and connected to said universal buss to supply power to said universal buss in an uninterrupted manner;

    a plurality of output connection means mounted on said circuit board and connected to said universal buss so that power is supplied to all of said plurality of output connections by said backup power supply means via said universal buss when power from said main power supply is interrupted;

    a plurality of voltage controlling means each connected to said universal buss and to one of said output connection means for connecting each of said output connection means to said universal buss to receive power therefrom, each of said voltage controlling means being interposed serially between said universal buss and an associated one of said output connection means for supplying the power received from said universal buss to an element associated with said output connection means via said voltage controlling means whereby a plurality of different elements each having an individual voltage requirement which may be different from the voltage requirement of any other element can be supplied with power in an uninterrupted manner using a unit mounted on a single circuit board.

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