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Electric motor controllers

  • US RE34,159 E
  • Filed: 02/28/1992
  • Issued: 01/12/1993
  • Est. Priority Date: 10/05/1987
  • Status: Expired due to Fees
First Claim
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1. An electric load controller, comprising control means and switch means selectively operable in response to control signals to control the supply of power to a load, the control means being operable to initiate a test procedure prior to the supply of power to the load, the test procedure including means for applying power across the switch means, the control means including switch test means connected to monitor current through the switch during said test procedure, said control means being responsive to signals from said switch test means to inhibit application of power to the load at times when said monitored current indicates the switch means is faulty.

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