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User selected controller for a window operator

  • US 5,285,137 A
  • Filed: 08/30/1991
  • Issued: 02/08/1994
  • Est. Priority Date: 08/30/1991
  • Status: Expired due to Fees
First Claim
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1. A control for a window operator having an electrically controlled drive for moving a window sash relative to a window frame between open and closed positions, comprising:

  • first interface circuit means for connection to a user control device which commands movement of the drive to move the window between the open and closed positions and develops a command signal in response thereto receivable by the first interface circuit;

    second interface circuit means for connection to a similar second interface circuit means of another control for selectively receiving or transmitting a command to move the same or another window, respectively, between the open and closed positions; and

    a controller coupled to said first and second interface circuit means and including input receive means for determining if a command is received from one of said first and second interface circuit means, output drive means coupled to said drive for developing an electrical signal to control said drive responsive to a command being received, and output transmit means for transmitting a command to said second interface circuit means for transmission to such other control incident to the command being received from said first interface circuit means.

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