Abstract:
A movable barrier operator having improved safety and energy efficiency features automatically detects line voltage frequency and uses that information to set a worklight shut-off time. The operator automatically detects the type of door (single panel or segmented) and uses that information to set a maximum speed of door travel. The operator moves the door with a linearly variable speed from start of travel to stop for smooth and quiet performance. The operator provides for full door closure by driving the door into the floor when the DOWN limit is reached and no auto-reverse condition has been detected. The operator provides for user selection of a minimum stop speed for easy starting and stopping of sticky or binding doors.
Abstract:
A movable barrier or garage door operator has a barrier drive for moving the movable barrier or garage door between open and closed positions. Motion of the barrier is detected by a tachometer connected to the barrier drive or by upper and lower barrier travel limit switches. A test is made to determine if the barrier has been commanded to be in a closed state and to determine if a preselected time interval has elapsed following closure of the barrier. When both of those conditions are present and the door is moved upward without authorization an alarm signal is generated and can signal the barrier drive to apply a closing force. The timer prevents the barrier from being closed on a person or obstacle during normal operation and prevents injury. An obstacle detector also prevents unwanted closure on an obstacle.
Abstract:
A movable barrier operator includes an absolute position detector which provides a unique value for each position of the barrier along its path of travel. The absolute position detector employs multiple binary serial streams and one multiple clock stream. After the first five cycles of the clock stream, the binary streams can be decoded by a processor to produce an absolute position. Every clock edge produces a new absolute position along the path of travel.
Abstract:
A movable barrier operator includes a wall control switch module having a learn switch thereon. The switch module is connectable to a control unit positioned in a head of a garage movable barrier operator. The head unit also contains an electric motor which is connected to a transmission for opening and closing a movable barrier such as a garage door. The switch module includes a plurality of switches coupled to capacitors which, when closed, have varying charge and discharge times to enable which switch has been closed. The control unit includes an automatic force incrementing system for adjusting the maximal opening and closing force to be placed upon the movable barrier during a learn operation. Likewise, end of travel limits pan also be set during a learn operation upon installation of the unit. The movable barrier operator also includes an ambient temperature sensor which is used to derive a motor temperature signal, which motor temperature signal is measured and is used to inhibit motor operation when further motor operation exceeds or is about to exceed set point temperature limits.
Abstract:
A movable barrier operator having improved safety and energy efficiency features automatically detects line voltage frequency and uses that information to set a worklight shut-off time. The operator automatically detects the type of door (single panel or segmented) and uses that information to set a maximum speed of door travel. The operator moves the door with a linearly variable speed from start of travel to stop for smooth and quiet performance. The operator provides for full door closure by driving the door into the floor when the DOWN limit is reached and no auto-reverse condition has been detected. The operator provides for user selection of a minimum stop speed for easy starting and stopping of sticky or binding doors.
Abstract:
A barrier movement system which is useful in provided barrier movement in environments where a first barrier such as a community gate is commonly controlled by a plurality of different actuators (transmitters) which actuators separately control other barriers such as household garage doors. The controller of the commonly controlled gate receives and contemporaneously analyzes codes in accordance with a plurality of different code format standards and at the same time analyzes the received code to determine which format is actually being received. In an embodiment only a fixed code portion of a rolling code sequence is used for actuation at the commonly controlled barrier.
Abstract:
A garage door opener system includes providing temporary access permission for some user or users while maintaining near permanent access permission for other users. The temporary access permission may be controlled by number of uses or a predetermined amount of time.
Abstract:
A security code transmitter is provided to transmit a control signal to a barrier movement operator to controlling movement of a movable barrier. The barrier movement operator is proximate to a wireless communication network having a network ID. A receiver of the security code transmitter receives a transmitted network signal comprising the network ID from the wireless communication network. A memory of the security code transmitter stores a predetermined ID. A processor of the security code transmitter determines whether the wireless network ID of the transmitted network signal matches the predetermined wireless network ID. When a match is determined, the security code transmitter is controlled to transmit the control signal to the barrier movement operator.
Abstract:
A movable barrier operator controls access to a secured area which houses vehicles. The movable barrier operator is operable to move a movable barrier from an open to a closed position. A sensor controls the operation of a service-providing device through the controller of a movable barrier operator or by direct communication to a controller for the service-providing device. The sensing device senses whether a vehicle is present in the secured area. The sensor is operatively connected to the moveable barrier operator and is used to control the operation of at least one service-providing device without necessarily effecting movement of a barrier by the movable barrier operator. Operation of the service-providing device is effected upon sensing whether a vehicle is present in the secured area to effect an operation of the service-providing device.
Abstract:
At a moveable barrier operator, parameters are adjusted. At a first time, the moveable barrier operator is configured with at least one parameter and adjustment of the at least one parameter is disabled until a predetermined identification signal is received. At a second time, the predetermined identification signal is received and the at least one parameter is responsively adjusted.