×

Automatic barrier operator system

  • US 20030029579A1
  • Filed: 07/10/2001
  • Published: 02/13/2003
  • Est. Priority Date: 07/10/2001
  • Status: Active Grant
First Claim
Patent Images

1. In a barrier operator for moving a barrier, such as a gate or garage door, between open and closed positions, said operator including a motor and a drive mechanism interconnecting said barrier with said motor, a control system for said operator for causing said barrier to move between open and closed positions including:

  • a base controller including a control circuit, a radio frequency base transmitter and a radio frequency base receiver operably connected to said control circuit for sending a radio frequency signal from said base transmitter in response to a signal from said control circuit, said control circuit being responsive to receiving a signal from said base receiver indicating a radio frequency signal received by said base receiver;

    at least one remote control unit including a radio frequency remote receiver and a radio frequency remote transmitter operable for receiving radio frequency signals from said base transmitter and transmitting radio frequency signals to said base receiver; and

    a signal processor operably associated with said control system for effecting automatic opening and closing of said barrier depending on the location of said remote control unit being within a predetermined range of said base transmitter.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×