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Power consumption meter for displaying electric power consumed by appliance and the time period of consumption

  • US 5,315,236 A
  • Filed: 03/05/1991
  • Issued: 05/24/1994
  • Est. Priority Date: 03/05/1991
  • Status: Expired due to Fees
First Claim
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1. An electric power consumption meter, comprising:

  • a body member;

    prongs on the body member for insertion into an electric wall socket;

    a socket on the body member for receiving the plug of an electric appliance, said socket being in electrical communication with the prongs for transferring electric power from the prongs to said socket;

    a current meter in the body member for measuring electric current flow between said prongs and said socket on the body member;

    a timer for measuring the duration of said electric current flow;

    a data processor in the body member for receiving data from said current meter and said timer and for calculating a value for the quantity of electric power consumed from said data;

    a display on said body member for simultaneously displaying said value of the quantity of said electric power consumed and the time period during which such power has been so consumed; and

    colour coded lighting means on the body member for continuously indicating power consumption conditions throughout the range of power consumed by said appliance.

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