Abstract: A generator enclosure for an engine-generator includes multiple walls defining at least one air path. In one example, a first wall includes an exhaust path for the engine-generator, and a second wall includes an intake path for the engine-generator. The generator enclosure may include at least one air flow frame associated with the exhaust path or the intake path and at least one movable wall supported by the at least one air flow frame, At least one thermal fuse may be coupled to the at least one movable wall and configured to release the at least one movable wall to block the exhaust path or the intake path.

Abstract: A folding wall partition includes foldable panel assemblies. Each panel assembly includes an upper panel and a lower panel. The upper and lower panels extend substantially in a common vertical plane when in a deployed position, and extend laterally outwardly of the common vertical plane in a stacked relationship when in a stored position. A moving mechanism engages the panel assemblies to displace them between the stored and deployed positions. A cover assembly has cover panels. The cover panels extend in a first common horizontal plane when in the deployed position and are substantially coplanar with the ceiling to conceal a cavity. The cover panels extend in a second common horizontal plane higher than the first common horizontal plane and within the cavity when the cover panels are in the stored position.

Abstract: Systems and methods for configuring a user device to remotely control a plurality of architectural structural coverings are described. A user device receives a plurality of broadcast signals from a plurality of architectural structural coverings. Each individual broadcast signal is associated with an individual architectural structural covering and relays position information for the individual architectural structural covering. Each broadcast signal is also associated with an individual entry in a list of entries displayed on a user interface of the user device. Each entry comprises a representation of an architectural structural covering having a displayed position that matches position information from the broadcast signal and a position control for controlling a physical position of the associated architectural structural covering. When a user adjusts the position via the position control, an adjusted position instruction is sent to the associated architectural structural covering.

Abstract: A fusible mechanical linkage includes a tensioner having an aperture and a spool with guides arranged on an end of the spool opposite the aperture. The guides define a cable seat between one another. A fusible alloy is arranged between the spool and the tensioner, the fusible alloy fixing the spool to the tensioner below a predetermined temperature, the fusible alloy allowing tension carried by an actuation cable received in the cable seat to rotate the spool relative to the tensioner above the predetermined temperature. Fire suppression systems and methods adjusting actuation cables in fire suppression systems are described.

Abstract: An apparatus for controlling a curtain of a vehicle includes a back seat monitor configured to provide an image of an occupant and a vehicle-mounted curtain configured to block out external light. An illumination sensor is configured to detect illumination of the external light. An occupant detecting sensor is configured to detect a boarding status of the occupant. A curtain actuator is configured to automatically control an operation of the vehicle-mounted curtain according to the boarding status of the occupant and a reference illumination value in an automatic mode and according to an operational status of the back seat monitor and the reference illumination value during a manual mode.

Abstract: A ventilation fan according to the invention comprises a fan module, a fire damper module and a cover module. The fire damper module comprises a link frame, a fire damper body and an adjustment element. The fire damper body is disposed in the link frame and detachably linked up with the link frame. The adjustment element is disposed on the fire damper body and near an opening of a flange of the fire damper body. The adjustment element comprises a fixed portion, a stop portion and a trace portion. Wherein the stop portion abuts and shields the opening when no electrical wire passing through the opening. Wherein when the cover module comprises an electronic device having an electrical wire, the trace portion abuts the opening and the electrical wire passing through the trace portion and the opening to connect to the fan module.

Abstract: An animal house climate control system uses a method for operating a baffle of an air inlet of an animal house with a motor using timed inlet control. The method includes performing a calibration sequence to calculate opening velocity and opening inertia values and closing velocity and closing inertia values. The method also includes moving the baffle from an initial position to a final position by calculating a calculated power on time for the motor using the opening inertia or closing inertia values. The method can also include calculating a real position error value by comparing the calculated on time for the motor and a measured on time for the motor and using the real position error value to calculate adjusted opening and closing velocity values.

Abstract: A mechanical module for filtering vibrations, designed to be mounted at least in part inside a casing of an electromechanical actuator, comprises a mechanical member for filtering vibrations (34), being in one piece and extending along a longitudinal axis (X34) designed to be aligned with an axis of rotation of a rotor of an electric motor. The member (34) comprises a first end portion (35) and an intermediate portion (36). The first end portion (35) comprises a first ring (37). The intermediate portion (36) is connected to the first end portion (35). The first ring (37) of the first end portion (35) has a first diameter that is greater than a greatest dimension of the intermediate portion (36) measured in a plane orthogonal to the longitudinal axis (X34). The first end portion (35) further comprises a plurality of first arms (38), each first arm (38) connecting the intermediate portion (36) to the first ring (37).

Abstract: A device that includes a drive roller, in which the cord for the manual control of a mechanism for opening and closing a curtain or blind is partially wound to allow that said mechanism of curtain or blinds can be automated while maintaining the manual control at the same time.

Abstract: The roof top kit for extinguishing fire embers is a fire resistant structure that is adapted for use with buildings. The roof top kit for extinguishing fire embers is adapted to mount on the roof of the building. The roof top kit for extinguishing fire embers comprises a passive barrier and an active suppression system. The passive barrier is a fire resistant barrier that is mounted on the building such that there is space between the passive barrier and the structure. The passive barrier provides a physical barrier that prevents embers from wild fires from falling directly upon the roof of the structure. The active suppression system saturates the passive barrier in water. The water extinguishes ignitions that may occur from the embers that have landed on the passive barrier.

Abstract: Automatic drive systems for movable partitions may comprise a floating jamb configured to attach to panels of a movable partition and glide within a pocket. A motor may be configured to extend the movable partition. The motor may be configured for mounting in the pocket on a back side of the floating jamb opposing a front side of the floating jamb to which the panels of the movable partition are configured to attach. An electronics enclosure may be sized and configured to contain electronics to connect to the motor. The electronics enclosure may be configured for positioning in the pocket on the backside in a location offset from the motor. A depth of the electronics enclosure, as measured in a direction in which the floating jamb is mounted to glide, may be less than or equal to a depth of the motor, as measured in the same direction.

Abstract: A motorized lift assembly for a window covering includes a movable window covering material and cords for moving the window covering material. The motorized lift assembly also includes a motor assembly including a motor, a speed reducing gear train driven by said motor for adjusting positions of said cords, where the motor is a low voltage, high speed motor operating at greater than 12,000 rpm.

Abstract: A precise and versatile hybrid sensor system and method of use that senses the location of a movable element traveling along a linear path. The system includes a magnetostrictive sensor along with a tried and proven converting mechanism that converts the linear movement of the movable element to rotational movement and then to a greatly reduced linear movement of a magnet that is directly proportional to the movement of the movable element. The magnetostrictive sensor has a sensor probe having an active length that is in close proximity and parallel to the movement of the magnet such that the magnetostrictive sensor can sense the location of the magnet to determine the location of the movable element. The magnetostrictive sensor is located exterior to the vessel to eliminate wiring within the vessel itself so as to allow the hybrid sensor to be readily used in difficult, high pressure or subsea environments.

Abstract: An energy harvesting wind sensor is provided for an awning assembly. The device is self-powering in that energy is converted from wind to electrical in order to power the sensor and a transmitter which signals a receiver to retract the awning assembly if a preselected threshold is met or exceeded. Since the system converts wind energy to electrical energy, wiring is not needed to extend along the moving or rotating parts of the awning assembly.

Abstract: Quick-release control systems for architectural opening coverings and associated control systems and methods for rapidly deploying the coverings to extended positions. In one embodiment coupling assemblies are provided for controllably coupling and decoupling portions of lifting mechanisms in a variety of covering systems, including roller and cellular shade systems. In yet other embodiments, control systems for controlling a plurality of coverings are provided, which may be configured to remotely and simultaneously deploying each of the plurality of coverings to an extended position in response to a trigger signal.

Abstract: A door hoist includes a bracket, drive sprocket, ring gear, hub assembly, set of planetary gears, and governor shaft. The drive sprocket has a drive sprocket axis. The ring gear is fastened to the drive sprocket. The ring gear has a ring gear axis that is in alignment with the drive sprocket axis. The hub assembly includes a connector to receive a door drive shaft and secure the door drive shaft in a fixed rotational alignment with the hub assembly. The set of planetary gears is rotationally mounted to the hub assembly. The set of planetary gears is configured to mate with the ring gear. The governor shaft includes a sun gear, brake assembly, and link. The sun gear is configured to mate with the set of planetary gears. The brake assembly has an engaged position and a disengaged position. The sun gear is rotationally fixed relative to the bracket in response to the brake assembly being in the engaged position.

Abstract: A vehicle with a partition area for passengers between two sections of the vehicle, wherein a fire protection apparatus is mounted in the ceiling region of the partition area and has a protective curtain that can be transferred from an idle position, in which the partition area is open, into a closed position in case of a fire. The protective curtain has at least two material webs that adjoin one another and partially overlap one another in the closed position, wherein the lower edge of the material webs that points toward the floor of the partition area is spaced apart from the floor in the closed position.

Abstract: An architectural covering having a drive mechanism for extending and retracting a covering member between opposite first and second end positions. The drive mechanism includes an electric motor unit having a stationary end and a rotating end for rotating a winding core, such as a roller blind shaft, for receiving wound layers of a flexible element, such as a sheet of flexible material thereon. The drive mechanism further includes a motor head, separate from the electric motor unit, providing external electrical control for the motor unit via an electrical interface. A printed circuit board accommodated in the motor head may include at least one of end position limit switches, a switch for setting the first and second end positions, electronic communication means, or a remote control receiver. The electrical interface may include an electrical connector plug, an electrical socket, and/or an electrical cable.

Abstract: The present invention relates to the sunshade driving device comprising that: a returning function of a manual driving module (410) is actuated by a ball chain or a rotating string; a rotating shaft (491) is attachable/detachable to the power drive unit or the rotating shaft stopping unit separated from a manual driving module; at least one pick-up member (452, 453) to directly drive the sunshade rotating shaft or driving the rotating shaft (491) by the manual drive module (410); a wheel driving member (417) having a manual pulley (417a) or a manual driving wheel (412b) being fitted the ball chain or rotating string; wherein the wheel drive member (417) will be engaged to the manual rotating wheel (412b) and the manual pulley (417a) for rotating together in one direction, and the wheel driving member (417) will disengaged the manual rotating wheel (412b) and the manual pulley (417a) for independently rotating each other in opposite direction activated by a bi-directional driving clutch (417b).

Abstract: A system and method is provided for creating a redundantly controlled dual electric vehicle supply equipment (EVSE). A double pole, double throw (DPDT) AC relay is provided on a power input to a low-voltage direct current (LVDC) circuit. The DPDT AC relay switches the AC power to the LVDC circuit automatically from either a LEFT ACV input or RIGHT ACV input such that operation of LVDC circuit remains uninterrupted.

Abstract: A cordless motorized roller shade includes a motorized operation device, a shading device mounted on the motorized operation device and hanging down, and a combination module detachably mounted between the motorized operation device and the shading device. Thus, the roll cloth member of the motorized operation device is pressed by the holding units of the shading device so that the roll cloth member is kept at a straight state smoothly when hanging down. In addition, when the roll cloth member is moved upward, the rotary return wheel module of the motorized operation device aids the upward movement of the roll cloth member to reduce consumption of the electric power of the drive motor of the motorized operation device during operation so that the roll cloth member is folded upward in an energy-saving manner.

Abstract: A turnstile comprising means for dictating a person entering or exiting the lane, a barrier positioned to move between a position blocking a lane and a position where it allows passage through the lane, under control of a motor; means for checking the credentials of a person attempting to pass through the lane and a brake, the turnstile having a mode of operation in which in the event that a user enters an exit side of the lane without presenting a credential, and an authorized person is not detected on the entry side of the lane, the brake is unlocked and the barrier is held in position in a closed mode but is able to be pushed or pulled by the person who has entered from the exit side in order for that person to exit; and the motor assists movement in the pushing or pulling direction by moving the barrier at a controlled speed, less than a speed at which it operates the barrier if the exiting user presents a credential.

Abstract: A fire protection curtain having a curtain panel that includes an outer wall and a chimney defining an inlet disposed on a first side of the chimney and an outlet on another side of the chimney. The chimney is in heat conductive association with the outer wall such that heat from a source outside the outer wall is transmitted to the chimney. Such heat transmission can cause the chimney to draw air into the inlet and expel the air out the outlet by chimney effect. The curtain is flexible and sufficiently large for covering at least a portion of a structure to protect the structure from an external fire.

Abstract: An auger protection system used in a stirring system is disclosed. According to a first preferred embodiment, an auger protection system is provided which protects augers on a stirring machine from breaking or bending. Accordingly to this first preferred embodiment, the auger protection system includes a switch which is enclosed in a housing and connected to a timer which supplies power to a gear motor that propels the unit around a silo. Preferably, the housing for the holding switch is attached pivotally to the structure on which the down auger is connected. Additionally, the auger protection system preferably further includes a spring which is connected to a pivot assembly and which extends horizontally and comes in contact with the down auger at one end.

Abstract: A motorized window treatment provides a low-cost solution for controlling the amount of daylight entering a space through a window. The window treatment includes a covering material, a drive shaft, at least one lift cord rotatably received around the drive shaft and connected to the covering material, and a motor coupled to the drive shaft for raising and lowering the covering material. The window treatment also includes a spring assist unit for assisting the motor by providing a torque that equals the torque provided by the weight on the cords that lift the covering material at a position midway between fully-open and fully-closed positions, which helps to minimize motor usage and conserve battery life if a battery is used to power the motorized window treatment. The window treatment may comprise a photosensor for measuring the amount of daylight outside the window and temperature sensors for measuring the temperatures inside and outside of the window.

Abstract: A method in accordance with the invention includes prompting a user to align a mobile device with a geometric feature (e.g., a window sill, corner, etc.) of a window. The method further determines a position and orientation of the window using sensors of the mobile device. Based on the position and orientation of the window, the method determines a position of the sun over time relative to the window. The method automatically adjusts a window covering of the window to take into account the position of the sun over time. For example, the method may automatically tilt slats of a window blind or open or close a window covering to take into account the position of the sun over time. A corresponding system is also disclosed herein.

Abstract: A motorized window shade includes a covering structure arranged between a fixed and a movable rail, an electric motor operable to drive displacement of the movable rail relative to the fixed rail, a control interface operable to control operation of the electric motor, and a motor controller respectively connected with the electric motor and the control interface. The control interface includes a first, a second and a third button, the first and second buttons being respectively operable to cause displacement of the movable rail in two opposite directions. The motor controller can record a current position of the movable rail as a limit position of the movable rail in response to a pressure concurrently applied on the third button and one of the first and second buttons. In some embodiments, methods of operating the motorized window shade are also described.

Abstract: A door hoist includes a bracket, drive sprocket, ring gear, hub assembly, set of planetary gears, and governor shaft. The drive sprocket has a drive sprocket axis. The ring gear is fastened to the drive sprocket. The ring gear has a ring gear axis that is in alignment with the drive sprocket axis. The hub assembly includes a connector to receive a door drive shaft and secure the door drive shaft in a fixed rotational alignment with the hub assembly. The set of planetary gears is rotationally mounted to the hub assembly. The set of planetary gears is configured to mate with the ring gear. The governor shaft includes a sun gear, brake assembly, and link. The sun gear is configured to mate with the set of planetary gears. The brake assembly has an engaged position and a disengaged position. The sun gear is rotationally fixed relative to the bracket in response to the brake assembly being in the engaged position.

Abstract: Automatic drive systems for movable partitions may comprise a floating jamb configured to attach to panels of a movable partition and glide within a pocket. A motor may be configured to extend the movable partition. The motor may be configured for mounting in the pocket on a back side of the floating jamb opposing a front side of the floating jamb to which the panels of the movable partition are configured to attach. An electronics enclosure may be sized and configured to contain electronics to connect to the motor. The electronics enclosure may be configured for positioning in the pocket on the backside in a location offset from a location where the motor is configured to be positioned. A depth of the electronics enclosure, as measured in a direction in which the floating jamb is mounted to glide, may be less than or equal to a depth of the motor.

Abstract: An architectural covering is provided. The architectural covering includes: shade material; the shade material operatively connected to a motor unit such that movement of the motor unit causes movement of the shade material; the motor unit comprising a DC motor and a shaft connected to the DC motor; a power supply unit electrically connected to the motor unit; a controller unit electrically connected to the motor unit, the controller unit having a microprocessor; and a rotation detector configured to detect rotation of the motor unit and upon detection of rotation of the motor unit transmit a signal to the microprocessor, wherein the microprocessor of the controller unit is configured to power an encoder unit in response to determination of manual movement of the shade material. A motor and control unit for an architectural covering may be provided.

Abstract: A fire extinguishing apparatus comprising of a metal dome, a deformable cylindrical section that can store a volume of gas, and a plurality of hanging canvases, around its perimeter as well as internally. Said volume of gas is the by-product of combustion, which is captured once the apparatus is place over and encapsulates the fire. As the apparatus is lowered onto the fire, the perimeter canvases form a seal, limiting the amount of oxygen inside the volume. As the fire consumes this limited amount of oxygen, the toxic gases produced are stored in its chamber, the apparatus continues being lowered onto the fire were the compression canvases compact the fire flames, extinguishing them. Furthermore, as the device continues to be lowered even further, the deformable cylindrical section begins to displace its stored volume of gases on to the encapsulated fire, displacing any remaining oxygen and stopping the combustion process.

Abstract: A motorized window treatment controls daylight entering a space through a window and includes a covering material, a drive shaft, lift cords received around the drive shaft and connected to the covering material, and a motor coupled to the drive shaft. It also includes a spring assist unit for the motor providing a torque that equals the torque provided by the weight on the lift cords at a position midway between fully-open and fully-closed positions, minimizing motor usage and conserving battery life. A photosensor for measuring the daylight outside the window and temperature sensors for measuring the temperatures inside and outside of the window may be provided. The position of the covering material is automatically controlled to save energy, or may also be controlled in response to an infrared or radio-frequency remote control.

Abstract: A door release mechanism includes a drop wheel coupled to a holding brake sprocket; a brake drive sprocket fixed to a drop wheel coupled with a governor; and a drop arm having a tooth to mesh with the drop wheel. The drop arm has an engaged position and a disengaged position. In the engaged position, the drop arm prevents rotation of the brake drive sprocket; in the disengaged position, the drop arm allows rotation of the brake drive sprocket. The door release mechanism includes a second brake having a brake sprocket rotationally coupled to the brake drive sprocket. The second brake is configured to provide resistance to rotation of the brake sprocket in response to rotation of the brake sprocket exceeding a predetermined braking speed.

Abstract: A temperature-driven mechanical system includes a first effector, made of temperature-induced shape-changing material, having first and second ends and a longitudinal axis running through the ends, as well as a suspension system that mounts an assembly including the effector, to support rotation of the assembly about the longitudinal axis. The suspension system has a first rotational limit stop associated with a first angular position of the assembly at or below a first temperature limit and a second limit stop associated with a second angular position of the assembly at or above a second temperature limit. An array of such systems is similarly provided.

Abstract: An automated shutter control is provided for a shutter having a plurality of slats which are pivoted in unison. The automated shutter control comprises a motor and a slat interface having a body portion and a contact portion. The contact portion has a contour configured to register with and abut against at least a portion of a surface of one of the slats of the shutter. The body portion has a leading end for contacting a first adjacent slat and pivotally rotating it when moving in a first direction and a trailing end for contacting a second adjacent slat and pivotally rotating it when moving in a second direction. A moving assembly is moved by the motor and connects to the slat interface so as to move the slat interface between a first and a second position.

Abstract: A method and corresponding system is disclosed that provides for management of a response to motion detection in a motion-based system. The method includes: determining a schedule of movement of a position and an orientation of a window treatment, wherein a scheduled time of movement of the window treatment is greater than a time-out period of an occupancy sensor and determining at least one of the position of the window treatment and the orientation of the window treatment at a corresponding time of movement wherein the movement is based at least on one of a current time and a next time, and responsive to a detection of motion, outputting the determined at least one position and orientation at the current time.

Abstract: The inventive flexible curtain rapid door comprises a structure consisting of two posts and a transverse element for guiding a flexible curtain and electromechanical means supported by said structure for displacing the curtain between open and closed positions, wherein the flexible curtain (2) comprises a weight and sealing element (13). According to the invention, the door comprises obstacle detecting means which are carried at least partially by an reinforcing element, are adjacent to the weight and sealing element (13) and are disposed upstream thereof on the curtain closing path between the reinforcing element and the weight and sealing element (13) and said obstacle detecting means are integrated inside the lower part of the curtain (2).

Abstract: A load control system provides for automatically controlling a position of a motorized window treatment to control the amount of sunlight entering a space of a building through a window located in a façade of the building in order to control a sunlight penetration distance within the space and minimize occupant distractions. The load control system automatically generates a timeclock schedule having a number of timeclock events for controlling the position of the motorized window treatment during the present day. A user is able to select a desired maximum sunlight penetration distance for the space and a minimum time period that may occur between any two consecutive timeclock events. In addition, a maximum number of movements that may occur during the timeclock schedule may also be entered. The load control system uses these inputs to determine event times and corresponding positions of the motorized window treatment for each timeclock event of the timeclock schedule.

Abstract: A roof for a computer rack aisle is provided. The roof has a canopy that may be flexible and/or fire-resistant. The canopy has a retracted position and an extended position. In the extended position the canopy may cover the top of an aisle between two computer racks while in the retracted position the aisle can be uncovered. A canopy retractor is provided to move the canopy from the extended position to the retracted position when a predetermined condition is met. The canopy has first and second lateral edges that are slidably received within the channels of guide tracks to facilitate the smooth movement from the extend position to the retracted position.

Abstract: A door hoist includes a bracket, drive sprocket, ring gear, hub assembly, set of planetary gears, and governor shaft. The drive sprocket has a drive sprocket axis. The ring gear is fastened to the drive sprocket. The ring gear has a ring gear axis that is in alignment with the drive sprocket axis. The hub assembly includes a connector to receive a door drive shaft and secure the door drive shaft in a fixed rotational alignment with the hub assembly. The set of planetary gears is rotationally mounted to the hub assembly. The set of planetary gears is configured to mate with the ring gear. The governor shaft includes a sun gear, brake assembly, and link. The sun gear is configured to mate with the set of planetary gears. The brake assembly has an engaged position and a disengaged position. The sun gear is rotationally fixed relative to the bracket in response to the brake assembly being in the engaged position.

Abstract: A screen (1) includes a load bar (2), a flexible element (3) supporting the load bar, and a controlled member (4) for winding the flexible member, wherein the member is controlled according to a method that includes controlling the angular movement of the winding member (4) with a temporal set value (?(t)) of the instantaneous angular position of the winding member, the temporal set value being predetermined from a profile representative of the desired instantaneous axial position for the load bar upon a movement between the first and second positions, using a polynomial function of a degree higher than or equal to 2, which approximates the relation between a value of the instantaneous axial position (H(t)) of the load bar and an instantaneous angular position (?(t)) of the winding member (4).

Abstract: Each screen (1) of a group of screens is configured by a method in which a function is approximated, the function giving the instantaneous axial position (H(t)) of the load bar (2) thereof along an axis (Z) of translation in the form of a function having, as a variable, the instantaneous angular position (y(t)) of a winding device (4). The load bars of the screens are sequentially moved into a plurality of positions in which the load bars are aligned, and then the angular position (y(t)) of the winding device is determined. Next, the coefficients defining the approximation function of each screen are determined. The movement of the load bar of each screen is controlled by an instantaneous angular-position set value (?(t)), which is in turn predetermined from a representative profile using the one-to-one approximation function.

Abstract: A system and method for detecting damage to a door system by detecting the presence or absence of a magnetic source attached to the door system for stopping motion or reversing motion of the door to prevent any further damage to the door system. For example, a roll-up type door may be damaged by a vehicle and pulled from its vertical support guides; detecting this event causes stopping of any motion of the door, such as opening or closing the door.

Abstract: A roof for a computer rack aisle is provided. The roof has a canopy that may be flexible and/or fire-resistant. The canopy has a retracted position an extended position. In the retracted position, the canopy may be wound around a spool. In the extended position the canopy may cover the top of an aisle between two computer racks. A selectively releasable retainer holds the canopy in the extended position while releasing the canopy to return to the retracted position when a predetermined condition is met. The canopy retractor is provided to return the canopy to a retracted position. The canopy having first and second lateral edges with flanges running from a position approximate a front portion of the canopy and to a position approximate a rear portion of the canopy. The flanges can be received within a canopy guide track to facilitate the smooth movement from the extend position to the retracted position.

Abstract: The present invention proposes a posture-adjustable solar-collecting window blind, which can adjust the position of solar cells to better collect solar energy. In the window blind, a solar detector and an ampere meter are used to detect the relationship between the incident angle of sunlight and an optimal arrangement of the solar detector. The relationship can be further used to adjust the positions of the plurality of solar cells. Furthermore, the window blind comprises a light sensor to detect the light intensity of a target area, which can be complementarily used to adjust the position of the plurality of solar cells.

Abstract: The present invention presents a novel alternative to side-hinged swinging doors that offers access to a broad egress opening width needed to meet higher occupancy egress requirements while simultaneously qualifying as a fire/smoke barrier. In a preferred embodiment, a single overhead coiling fire door shaft assembly is counter-balanced to allow a fire door curtain to automatically close at a governed controlled descent upon reaching an established critical low battery condition. An operator is provided that will run the door under both normal condition and during a power failure or fire/smoke condition at an established average door speed, and also provide established levels of low battery warning signals/actions while also providing the ability to open as required for emergency egress until the temperature at the opening is not conducive for human life.

Abstract: 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 base radio frequency receiver. One or more remote control units include a radio frequency remote receiver and remote transmitter. The controller is operable to automatically close or open the barrier in response to a query signal sent from the base transmitter to the remote receiver and when the remote receiver is within range, returning a signal to effect operation of the barrier. The system is operable to effect operation or maintain the status quo of the barrier depending on the state of the barrier and a particular signal or lack of signal received by the controller from an authorized remote control unit or units. The system provides essentially hands-free automatic operation of opening and closing a garage door and the like.

Abstract: Movable partition systems include a movable partition coupled to and movable along a track. The movable partition may comprise at least two accordion folding sheets of panels, a motor carried by the movable partition, and at least one electronic component unit configured to control the motor. The electronic component unit may be carried by the movable partition and disposed between the sheets of folding panels. Methods of installing a movable partition system include coupling an electronic component box to a floating door jamb within a movable partition.

Abstract: A door mechanism includes a bracket and a door shaft, rotationally mounted to the bracket, to operate a door. The door mechanism includes a gear assembly having a ring gear, set of planetary gears, sun gear, and drive sprocket. The ring gear fixed to the door shaft. The door mechanism includes a holding brake to counter the closing bias of the door. The door release has an engaged position in which rotation of the door shaft in the second direction is impeded by a first brake; and a disengaged position in which rotation of the door shaft in the second direction is unimpeded by the first brake. The door mechanism includes a link and a second brake. The link is configured to melt in response to a predetermined temperature. The second brake is configured to provide resistance in response to component rotation exceeding a predetermined speed.

Abstract: An awning control system for providing automatic retraction of one or more awnings by detection of motion of an awning lead rail generally includes a sensing circuit for providing a radio frequency signal, is receivable by one or more awning motors for retracting corresponding awnings into corresponding awning cassettes upon receipt of a deflection signal. The deflection signal is provided by a motion detector connected to an awning header.