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| Number | Title | Issue Date |
| 8179275 | Spring failure detection system and method A movable barrier that is at least partially counterbalanced by a spring is moved from a first position to a second position while substantially simultaneously monitoring at least one characteristic associated with moving the movable barrier to provide at least one ... | 05/15/2012 |
| 8144011 | Alarm system interaction with a movable barrier operator method and apparatus A secure communication link (24) is provided between a movable bather operator (23) and a peripheral system (20). Information conveyed via this link is used by one, the other, or both such elements to further inform or direct their respective ac... | 03/27/2012 |
| 8111997 | Multiple movable barrier operator system and method A first moveable barrier operator is actuated to move a first moveable barrier and a light beam is encoded with operational information regarding the first movable barrier operator. The encoded light beam is transmitted from an emitter associated with the first move... | 02/07/2012 |
| 8061741 | Movable barrier drive case installation safety latch method and apparatus A movable barrier drive case (300) and a clamp (301) wherein the clamp can be configured and arranged to securely and non-temporarily attached the movable barrier drive case to a mounting channel (100). The movable barrier drive case can be conf... | 11/22/2011 |
| 8055219 | Frequency agile antenna system and method A first value of an operational center frequency of a signal to transmit is determined according to received user input. The operational center frequency is centered within a first band of frequencies and the first band of frequencies has a first bandwidth. A single... | 11/08/2011 |
| 8040217 | Barrier movement operator communications A moveable barrier operator actuates an actuator thereby causing a message to be formed. The message indicates that the user at the moveable barrier operator requires assistance. A communication channel is established between the moveable barrier operator and an ass... | 10/18/2011 |
| 8030796 | System and method for controlling current in a movable barrier operator A barrier operator comprises a current limit portion and a barrier operator portion. The current limit portion is coupled to a mains supply and the barrier operator position is coupled to the mains supply and the current limit portion. The barrier operator portion a... | 10/04/2011 |
| 8026946 | Gate access system with visitor imaging and memory A gate access system is described where the system includes an imaging system configured to capture an image of an object disposed in a predetermined field of view in response to an image capture signal. The imaging system is also configured to associate time/date d... | 09/27/2011 |
| 8001725 | Shaft joint A shaft such as a worm drive shaft for a movable barrier operator is disclosed. The shaft includes at least two shaft segments having connection ends. The shaft segments include respective connection ends permitting a first connection end to be joined with a second ... | 08/23/2011 |
| 7997324 | Moveable barrier systems A support assembly for a barrier movable between open and closed positions over an opening comprises a track. The track is attached to the wall for guiding movement of the barrier between substantially vertical closed position and a substantially horizontal open pos... | 08/16/2011 |
| 7994896 | System and method for operating a moveable barrier using a loop detector A moveable barrier system includes a loop detector for providing an electrical field. The electrical field has an associated base frequency. The base frequency changes when a vehicle enters the loop detector and the loop detector detects this change. A transmitter d... | 08/09/2011 |
| 7936139 | Method and apparatus to facilitate controlling the connection of a mains to a movable barrier operator power supply A movable barrier operator having control circuitry (206) to selectively cause movement of a corresponding movable barrier (203) and a power supply that is operably coupled to a mains (201) and is operably coupled to provide electrical motive po... | 05/03/2011 |
| 7872565 | Programmer protection method and apparatus for use with a movable barrier operator When a movable barrier operator detects (101) a predetermined state with respect to a remote transmitter learning mode, the movable barrier operator can respond by temporarily requiring (103) at least a first programmer protection duration of time to p... | 01/18/2011 |
| 7869823 | Wirefree intercom having error free transmission system and process A wireless intercom having a microcontroller that is programmed to place the intercom into a power saving sleep mode unless actively receiving or transmitting signals. The microcontroller of the intercom is interconnected to a transceiver for sending and receiving d... | 01/11/2011 |
| 7862209 | Permanently installed light emitting elements for a barrier operator A barrier movement operator controls movement of a movable barrier. The barrier movement operator includes a head unit, including a chassis, for commanding the movable barrier to perform movable barrier functions. A plurality of closely mounted light emitting elemen... | 01/04/2011 |
| 7855634 | Barrier movement system including a combined keypad and voice responsive transmitter A keypad transmitter for mounting outside a controlled area which may respond to the voice or other biometric indicia of users by transmitting validatable codes to a controller of a barrier movement system. The keypad may be used to send a validatable code or it may... | 12/21/2010 |
| 7855475 | Movable barrier operator with energy management control and corresponding method A movable barrier operator system wherein one or more of the various components of the system is configured to operate selectively in at least either of two operational modes. Each operating mode is characterized by a corresponding energy usage profile. The operatio... | 12/21/2010 |
| 7852212 | Alarm system interaction with a movable barrier operator method and apparatus A secure communication link (24) is provided between a movable barrier operator (23) and a peripheral alarm system (20). Information conveyed via this link is used by one, the other, or both such elements to further inform or direct their respec... | 12/14/2010 |
| 7805977 | System and method for measuring force in a barrier operator system An impact force measurement associated with a test of a moveable barrier operator is obtained. An impact force signal representing the impact force measurement is generated. The impact force signal is received at a controller. Based upon the impact force represented... | 10/05/2010 |
| 7786619 | DC power backup A barrier movement operator with a backup source of DC power is disclosed. The power supply of the barrier movement operator sends current limited DC to the backup which uses the DC to charge a battery. The battery is in circuit at all times with the barrier movemen... | 08/31/2010 |
| RE41452 | System and method of actuating a movable barrier operator A system and method for actuating a moveable barrier operating system. A wireless time signal at a receiver. A time-of-day signal is supplied at the output of the receiver. The receiver is automatically reset using the wireless time signal when the time-of-day signa... | 07/27/2010 |
| 7755223 | Movable barrier operator with energy management control and corresponding method A movable barrier operator system wherein one or more of the various components of the system is configured to operate selectively in at least either of two operational modes. Each operating mode is characterized by a corresponding energy usage profile. The operatio... | 07/13/2010 |
| 7750890 | Movable barrier operator system display method and apparatus A movable barrier operator system operational component includes an integral display comprising at least one of a numeric display, an alphanumeric display, and a graphics display. The display can comprise an active display or an active interactive display and can fu... | 07/06/2010 |
| 7741951 | Method and apparatus for a rolling code learning transmitter A barrier movement operator system having a receiver for receiving, learning and responding to transmitted rolling code type access codes; at least one trained transmitter for operating the system by transmitting a rolling code type access code to the receiver; at l... | 06/22/2010 |
| 7724126 | Movable barrier operator operating parameter transfer method and apparatus Operating parameters as were previously learned by a first movable barrier operator (18) are transferred to a second movable barrier operator (10) such as, for example, to a replacement movable barrier operator. Pursuant to a preferred approach, such i... | 05/25/2010 |
| 7697674 | Gate intercom with a wireless telephony interface The present invention is directed to a telephony communication interface device. The device includes a communication transceiver configured to communicate with a remote system via a predetermined communication channel. A control circuit is coupled to the communicati... | 04/13/2010 |
| 7679301 | Movable barrier operator auto-force setting method and apparatus A movable barrier operator having a motor controller (10) and motor (11) that control selective movement of a movable barrier (12) also has an obstacle detector (14) that utilizes an automatically determined excess force threshold value t... | 03/16/2010 |
| 7642895 | Garage door operator having thumbprint identification system A movable barrier operator having thumbprint identification in either a remote radio frequency transmitter, or a receiver/barrier operator system or both is provided. A control circuit with a non-volatile memory receives thumbprint information from a fingerprint det... | 01/05/2010 |
| 7635966 | Barrier movement operator battery backup and power equipment battery charging center A system includes a rechargeable battery backup for a barrier movement operator. A barrier movement operator controls the movement of a moveable barrier. The barrier movement operator has a head unit to command the moveable barrier to perform moveable barrier functi... | 12/22/2009 |
| 7623663 | Rolling code security system A rolling code transmitter is useful in a security system for providing secure encrypted RF transmission comprising an interleaved trinary bit fixed code and rolling code. A receiver demodulates the encrypted RF transmission and recovers the fixed code and rolling c... | 11/24/2009 |
| 7610030 | Wireless transmit-only apparatus and method A wireless transmit-only apparatus (20) has a controller (21) that responds to a user interface 25 by correlating specific user input with a corresponding characterizing transmission parameter(s) as is stored in a memory (35) and by selec... | 10/27/2009 |
| 7589615 | Multi-frequency security code transmission and reception A system is disclosed including a transmitter and receiver for the communication of security codes which may be validated at the receiver to operate equipment. In one embodiment, the transmitter transmits a security code at two frequencies contemporaneously to the r... | 09/15/2009 |
| 7561075 | Method and apparatus to facilitate transmission of ternary movable barrier operator information Ternary data as corresponds to a movable barrier operator is provided (21) and converted (22) into corresponding binary information. In a preferred approach this comprises converting each ternary trit into a corresponding binary pair. Pursuant to a pre... | 07/14/2009 |
| 7561020 | System and method for using operator as a repeater A moveable barrier operator that is used as a repeater includes a receiver device having an input, a transmitter device having an output, an apparatus responsive to predetermined signals received by the receiver for controlling the position of a barrier; and a contr... | 07/14/2009 |
| 7548557 | Method and apparatus for access control system message conveyance An access control system and one or more remote user interfaces that communicate with one another via nine bit messages are able to wirelessly communicate with one another via conversion of such nine bit messages into multiple corresponding eight bit message. In a p... | 06/16/2009 |
| D592158 | Transmitter | 05/12/2009 |
| 7525412 | System and method for performing transmitter function mapping A moveable barrier operator is operated in response to a code transmitted from a code transmitter. A learning entering mode is entered at a moveable barrier operator. One of a plurality of functions is selected to be performed at the moveable barrier operator. A tra... | 04/28/2009 |
| 7525265 | Drive motor reversal for a barrier operator or the like Methods and apparatus for reversing a drive motor for a barrier movement operator are disclosed. The operator senses the nature of a request for reversal and based on the nature of the sensed request performs one of a plurality of processes to reverse the motor.... | 04/28/2009 |
| 7517170 | Method and apparatus for mounting a barrier operator An apparatus and a method for quick mounting of a barrier operator on a ground surface is disclosed. The apparatus includes a mounting frame positioned on the ground and mounting structure extending into the ground surface. Concrete may then be poured into the mount... | 04/14/2009 |
| 7493726 | Barrier movement operator having service reminders An electronic service reminder to automatically notify a user as to when and what type of maintenance should be performed on the garage door operator, based on a variety of factors, including time, materials and operating environment. The garage door operator is con... | 02/24/2009 |
