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7616895 |
Safety edge with status and failure recognition
A device and method for operating an optoelectronic safety sensitive edge ( 100 ) for the safeguarded motor-driven movement of a gate having a closing edge ( 141 ). The device has a deformable,...
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7600550 |
Automatic barrier operator system
An automatic barrier operator system for operating a gate or upward acting garage door, for example, includes a controller for operating a reversible motor, a base radio frequency transmitter and a...
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7600345 |
Swing door operating system
A door actuating system has a fractional horsepower motor mounted on the door adjacent its free edge, driving a clutch connected to a duplex capstan pulley that is wrapped by two tensioned flexible...
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7588067 |
Electrically controllable window treatment system to control sun glare in a space
A system for reducing sun glare through an opening into a space, the system comprising an electrically controllable window treatment operable to alter the amount of daylight entering the space...
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7392617 |
Rotating barrier
A rotating barrier for a gateway ( 5 ) has a rotatable blocking element ( 2 ) having a single blocking arm ( 1 ) which blocks the gateway ( 5 ) in the blocking position and is rotated between the...
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7378641 |
Device and method for identifying an object in or on a closable opening
The invention relates to a device and a method for identifying an object O in an opening that can be closed by means of a mobile element ( 12 ). Light is fed into at least one fiber-optic light...
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7332999 |
System and method for operating multiple moveable barrier operators
A first moveable barrier is actuated by using a first moveable barrier operator. Responsive to the receipt of a signal initiating actuation of the first moveable barrier, a wireless signal is...
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7232012 |
Elevator shaft door
An elevator shaft door having a door panel composed of a front wall and rear wall, which walls are connected together by a thermally releasable material, wherein at least a part of the closing edge...
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7228664 |
Flexible space management system and method
A method of managing a plurality of operable wall panels in a room equipped with an overhead track system from which the panels suspend and in which the panels are movable to selectively partition...
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7224275 |
Movable barrier operators status condition transception apparatus and method
A movable barrier operator ( 10 ) has a wireless status condition data transmitter ( 15 ) that wirelessly transmits status condition messages to one or more remote peripherals ( 20 ). The latter...
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7195206 |
Apparatus and method for servicing and inspecting small free-flying platforms in orbit in space
A small, substantially spherical, free-flying utility platform for use in space can be docked, inspected and serviced in an apparatus including a container with a chamber therein mounted on the...
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7178289 |
Self-correcting sensor for an entrance
A radiation transmitting or sensing element is placed in a generally elongated holder of resilient material so that, if it is distorted by an accidental impact or otherwise, it will automatically...
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7151450 |
Door with a safety antenna
A door system includes an antenna-based proximity sensor with a releasable electrical connector that enables the sensor to function with a breakaway feature of the door. The sensor includes a...
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7148798 |
Gate closing timer for security gate override system
A solid state programmable timer attaches with two wires across the two contacts for the key circuit of the PC board controlling a security gate and two wires to the emergency personnel remote key...
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7145436 |
Door opening and closing apparatus
A door opening and closing apparatus has a motor, a door latch and a power generation mechanism. When the voltage of the battery is below a level needed to drive the electric actuator, a...
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7135957 |
Universal garage door operating system and method
A universal garage door operating system and method. In one embodiment, a vehicle transmitter is provided transmitting a wireless garage door transmitter control signal. A control module is...
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7123144 |
Monitored transmitter and receiver system and method for safety devices
An automatic door opening system utilizing wireless links to communicate from hazard or obstruction sensors to a controller to react to such conditions. The present invention allows the use of...
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7067794 |
Obstruction detector for automobile vehicle windows
A vehicle door includes an openable window and a detector with a charge-coupled device sensor. The sensor detects the light distribution proximate to a closing line of the window. If an obstruction...
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7032348 |
Motor operated fast food service window with upwardly focused proximity detectors
An electrically operated fast-food service window with a plurality of upwardly focused infrared emitter/receivers mounted on the fast-food service window in a manner such that the emitter/receivers...
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7024819 |
Automatic door closing device
A system includes a transmitter, a receiver, and a processor. The processor detects a trigger event. In response to the trigger event, the transmitter transmits a detection signal. If the receiver...
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6980117 |
Method and system for remotely monitoring garage door position
A method, system and computer program product for adaptively tracking the position of an entry portal, such as an automatic garage door. In accordance with the present invention a transmitter...
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6975203 |
Universal barrier operator transmitter
In a multiple barrier movement operator environment, one switch module for controlling all of the barrier movement operators. The switch module may be wall mounted for convenience and communicates...
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6914401 |
Sensor arrangement for monitoring a spatial area
A sensor arrangement for monitoring a spatial area of least one motor-driven wing of a door includes a plurality of primary transmitters emitting beams of radiation toward a spatial area, and a...
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6911898 |
System for automatically opening and closing a garage door and a method thereof
A system for opening and closing a garage door is provided. The system includes a vehicle communication module mounted to a vehicle, and a garage communication module, the vehicle communication...
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6860065 |
Remote release for a movable barrier arrangement
A system for decoupling a barrier from a barrier movement apparatus for the manual operation of the barrier. Advantageously, the decoupling is performed in response to a wireless signal and may be...
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6786005 |
Emergency release burglar bars actuated by smoke alarm
Emergency release burglar bars having electronic locks that are actuated remotely by a signal generated by a smoke detector alarm provide security and will automatically unlock upon detection of...
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6782660 |
Automatic door sensor
Auxiliary sensors 51 and 52 are disposed on exterior and interior side surfaces 31 and 32 of a transom 3 . The sensors 51 and 52 have detection areas A 1 , A 2 , B 1 and B 2 which...
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6730902 |
Light beam sensor
An optical axis adjuster 7 is provided to change the optical axis direction of a transmitter unit having a transmitter element 65 . A restriction member 9 is latched in an external thread 71 ...
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6724302 |
Method and apparatus for the safe manual operation of an automated security gate
An apparatus for shutting off power to a gate motor is disclosed when the gate to which the gate motor is connected is opened or closed manually. In a preferred embodiment a sensor is activated...
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6693273 |
Method and apparatus for monitoring a powered vent opening with a multifaceted sensor system
A system and method are disclosed for enabling the selective monitoring of various regions of an aperture having a powered closure operative therein. Each of plural, individually selectable...
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6678999 |
Object sensing system for use with automatic swing door
An object sensor for use with an automatic swing door includes a light emitter, which is mounted on a door surface of the automatic swing door. The light emitter emits a light beam toward a floor....
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6665983 |
Lockable sliding window apparatus
A lockable sliding window apparatus includes sliding window units having respective vertical frame members that are coupled at a closed configuration. Inner and outer segments of one frame member...
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6634408 |
Automatic barrier operator system
An automatic barrier operator system for operating a gate or upward acting garage door, for example, includes a controller for operating a reversible motor, a base radio frequency transmitter and a...
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6609400 |
Delayed egress systems
There is a lock release apparatus for providing delayed passage past a movable barrier such as an exit door which is held to a closed position by a lock. The apparatus includes a beam transmitter,...
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6568131 |
Motorized shutter assembly
A motorized shutter assembly includes a frame having a pair of parallel spaced frame members, louver slats extending between the frame members and having shafts extending into and pivotably seated...
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6560926 |
Remotely controlled pet door
A pet door unit having a housing, an opening mechanism, a pet door, a receiver and a portable transmitter. The opening mechanism includes a motor having a screw drive and a carriage. The carriage...
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RE37986 |
Coding system for multiple transmitters and a single receiver
The present invention comprises a system for remote control of garage doors and other devices wherein an extremely large number of codes are available for remote transmitters for operating the...
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6452353 |
System for detection of obstructions in a motorized door system
Method of detecting obstructions encountered by a motorized door. The method includes providing a signal processor with one or more signals indicative of a predetermined door trajectory profile for...
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6420693 |
Foreign object insertion detector device
In the foreign object insertion detector device, the light (infrared rays) is transmitted into the internal space 13 of a tube body 11 implanted into a weather strip 9 and formed of elastic...
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6388559 |
Remote control device and a method of using the same
A remote control system uses a state signal that indicates whether a door or lock is opening, open, closing or closed. The state signal that indicates whether a door or lock is opening, open,...
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6386326 |
Method and system for detecting objects in a detection zone using modulated means
A system and an associated method of detecting an object in a three-dimensional field adjacent to a doorway, such as an elevator doorway, uses an array of energy emitters that emit...
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6341563 |
Door opening control apparatus
A platform sensing and control system including a wireless sensor ( 10, 12 ) for sensing at least the presence of a platform ( 26 ) opposite a door ( 32 ) of a railcar and providing an output...
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6329774 |
Ultrasonic method and apparatus for automatically controlling moving doors
A method and apparatus for automatically controlling the movement of a door over a floor from an open position to a closed position with respect to a door frame, by mounting ultrasonic transmitters...
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6247558 |
Apparatus for reducing power consumption in a elevator door protection system
A elevator door protection system, having an infrared curtain comprising pairs of infrared transmitters and receivers and circuitry responsive to an output of the receiver due to interception for...
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6181089 |
Remotely-controlled battery-powered window covering having light and position sensors
A wireless battery-operated window covering assembly is disclosed. The window covering has a head rail in which all the components are housed. These include a battery pack, an interface module...
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6167991 |
Method and apparatus for detecting position of an elevator door
A method and apparatus for detecting the distance between opposing sides of an elevator door system is presented. The invention enhances the ability of an elevator door safety system to...
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6119399 |
Channel guided parallelogram gate
A parallelogram gate for controlling traffic on a roadway, comprised of an arm assembly that is rotatable between a raised position and a horizontal, longitudinally-extended, roadway blocking...
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6105905 |
Railway gate system
A railway gate system comprising a railway station having an elevated platform area for passengers to stand and a recessed area with a track and a train movable therealong. A gate has a continuous...
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6084231 |
Closed-loop, daylight-sensing, automatic window-covering system insensitive to radiant spectrum produced by gaseous-discharge lamps
A system for automatic regulation of daylight admitted by a window in the presence of artificial illumination produced by a high-efficiency (e.g., fluorescent-type) electric lamp. A preferred...
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6079157 |
Illuminated security barrier for passageways
An illuminated safety or security barrier is shown for preventing children and pets from gaining unauthorized access through passageways. The barrier may optionally be a gate allowing authorized...
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