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Window operator control

  • US 5,004,961 A
  • Filed: 04/19/1990
  • Issued: 04/02/1991
  • Est. Priority Date: 12/16/1988
  • Status: Expired due to Fees
First Claim
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1. A control for operating a window operator having an electrically controlled drive for moving a window in preselected incremental movements between fully open and closed positions, comprising:

  • means for receiving a command to selectively move the window in a direction to the open position or the closed position;

    means for determining when the drive has moved the window a preselected incremental distance, less than a distance between fully open and closed positions;

    control means coupled to said receiving means and said determining means for enabling energization of the electrically controlled drive when a command is received by said receiving means until the drive has moved the window said preselected incremental distance and thereafter inhibiting energization of the drive until another command is received to move the window a subsequent incremental distance in the selected direction.

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