A luminance controller according to example embodiments includes a gamma set selector to select a reference gamma set from among first through N-th gamma sets respectively corresponding to first through N-th reference luminances, based on a target luminance of a display panel; an initialization voltage selector to select an initialization voltage corresponding to the reference gamma set, from among first through N-th initialization voltage offsets respectively corresponding to the first through N-th gamma sets; a common voltage selector to select a common voltage corresponding to the reference gamma set from among first through N-th common voltage offsets respectively corresponding to the first through N-th gamma sets; and a determiner to determine a target initialization voltage based on the target luminance and the initialization voltage, and to determine a target common voltage based on the target luminance and the common voltage.

An image is displayed on an electronic display device at a reduced power level. Power used by the display device is maintained below a predetermined maximum power level by uniformly scaling the initial optical intensity of an image to a lower optical intensity whenever displaying the image at the initial optical intensity would result in power consumption of the display device exceeding the predetermined maximum power level.

The application relates to freight loading systems for transporting freight items. Corresponding freight loading system comprises a freight deck having a plurality of freight handling devices, a control device which is communicatively connected to the freight handling devices in order to handle at least one freight item on the freight deck, and a remote control, which is communicatively connected to the control device in order to output control signals to the control device. The control device is intended to comprise a position determination unit for determining a remote control position on the freight deck and/or the orientation of the remote control, wherein the control unit is designed to select a number of freight handling devices and drive same depending on the control signals received and the remote control position and/or orientation of the remote control. This allows easier control of the freight items on the freight deck.

A tensioning assembly for a cable drag conveyor. The conveyor includes a head pulley mounted on a head pulley shaft positioned in a head pulley housing and a tail pulley mounted on a tail pulley shaft positioned in a tail pulley housing, infeed and discharge conveyor tubes interconnecting the head pulley housing and the tail pulley housing, and an endless rope having conveying disks attached to the rope positioned in the infeed and discharge conveyor tubes and around the head pulley and tail pulley. The tail pulley housing is positioned in a stationary position in relation to the head pulley and the head pulley housing. The tail pulley shaft and tail pulley is positioned on the tail pulley housing for movement in relation to the tail pulley housing, the head pulley and the head pulley housing. A tensioner moves the tail pulley to maintain the tail pulley at a distance in relation to the head pulley that results in correct tension on the rope during its travel through the cable drag conveyor.

In some embodiments, apparatus useful for assisting in controlling the discharge of material onto a conveyor from a material dispenser includes a carrier, first and second side restrictors extending downwardly from the carrier and at least one wiper extending downwardly from the carrier and transverse to the side restrictors. The side restrictors are configured to assist in preventing at least some material from overflowing off the sides of the conveyor, while the wiper is configured to level the top of at least some of the material dispensed on the conveyor.

A descent control device for controlling rotational motion of an object includes: at least one drive assembly for rotationally engaging the rotating object; a first substantially planar ferromagnetic moving element in rotationally locked engagement with at least one drive assembly and comprising at least one recess formed in a surface thereof having at least one magnet fixedly disposed therein; a second substantially planar ferromagnetic moving element in rotationally locked engagement with at least one drive assembly, and comprising at least one recess formed in a surface thereof having at least one magnet fixedly disposed therein; and at least one conducting plate disposed proximate the first and second moving elements. A magnetic field may be induced by rotational movement of the first or second moving element relative to at least one conducting plate in a direction to oppose acceleration of at least one drive assembly as it rotationally engages the object.

A control apparatus for an internal combustion engine having a means for performing a model calculation to calculate, as an exhaust temperature calculation value, the temperature of exhaust gas in an exhaust branch tube at the time of starting an engine, using a model representing the temperature behavior of the exhaust gas in the exhaust branch tube during stop of an engine; and an exhaust temperature actual measurement value output means for detecting the temperature of exhaust gas in the exhaust branch tube, and outputting the detected temperature as an exhaust temperature actual measurement value, wherein the model includes at least one parameter.

Methods and systems are provided for enabling engine dilution control. One or more engine diluents are combined to provide a desired engine dilution, the various diluents selected based on their respective combustion stability limits. A ratio of the various diluents used is further adjusted based on engine operating limitations.

An internal combustion engine includes a first cylinder having an intake valve in fluid communication with an intake manifold, and a second cylinder having an exhaust valve in fluid communication with an exhaust manifold. A transfer passage fluidly connects the first cylinder with the second cylinder. A first fuel injector is configured to provide a first fuel to the first cylinder, and a second fuel injector is configured to provide a second fuel to the second cylinder. The first cylinder operates, at times, to push a first air/fuel mixture through the transfer passage into the second cylinder. The second fuel injector is configured to provide at least one fuel injection plume into the first air/fuel mixture.

A valve timing control apparatus includes: a drive-side rotor rotating in synchronization with a crankshaft of an internal combustion engine; a driven-side rotor arranged to have the same shaft center as the drive-side rotor, rotating in synchronization with a camshaft for opening and closing valves; a fluid pressure chamber formed between the drive-side driven-side rotors; a partitioning portion provided in at least one of the drive-side and driven-side rotors; a timing advance chamber and a timing delay chamber formed by partitioning the fluid pressure chamber by the partitioning portion; a lock mechanism including a lock member and a concave portion a lock release flow path through which operating fluid supplied and discharged to and from the concave portion is circulated; a valve arranged in the middle of the lock release flow path; and a control unit controlling the operation of the valve.

A method of controlling a vehicle associated micro-hybrid system. The system includes a reversible rotary electrical machine that is connected to a thermal engine of a motor vehicle. The method includes: controlling a step of pre-fluxing of a rotor of the reversible rotary electrical machine when a control module receives an instruction to start the thermal engine via the reversible rotary electrical machine; measuring a speed of the rotor of the reversible rotary electrical machine; and, demanding stoppage of the pre-fluxing step when the speed of the rotor is greater than or equal to a predetermined speed threshold value. The method avoids the generation of overvoltages in an electrical distribution network formed by an onboard network of the vehicle and by an energy storage unit of the micro-hybrid system.

An intake control system for a multi-cylinder combustion engine with control valves positioned within intake passageways that can vary the cross-sectional area of the intake runners to increase air intake velocity at low engine speeds. The control system includes an inner frame that can be inserted into a lower manifold after manufacture. The inner frame includes a plurality of flapper valves that are actuated by a four-bar link design, which is driven by a hypoid gear-set. The control system controls an internal DC electric motor that actuates a worm-drive gear-set, which in turn drives the hypoid gear-set to either engage or retract the flapper valves within the intake passageways.

Methods and systems are provided for addressing pre-ignition that may be induced in response to actions taken to mitigate a cylinder misfire. An amount of engine load limiting applied may be adjusted to reduce the likelihood pre-ignition while also addressing component over-temperature issues. By limiting an engine load while shutting off fuel in a misfiring cylinder, and while combusting a lean air-fuel mixture in the remaining cylinders, pre-ignition induced by the misfire-mitigating lean combustion conditions can be reduced.

An electronic throttle control apparatus has a construction which does not use a mechanical mechanism to restrict an operating angle of an electronic throttle valve, and continues motor control so as to prevent rapid opening and closing of the electronic throttle valve, even if an angle detection unit becomes abnormal. Upon detection of an abnormality, a control unit (1) controls, without using pieces of angle information (θ1, θ2) after the detection of the abnormality, a motor (2) for driving the electronic throttle valve (3) based on angle information (θb) before the angle detection unit (6) becomes abnormal, information of electric power supplied to the motor (2) before the angle detection unit (6) becomes abnormal, a period of time (Tbc) until the abnormality of the angle detection unit (6) is detected, and a preset rate of change of a throttle angle.

A method for controlling combustion in an engine is provided. The method comprises under a first condition, adjusting an EGR amount of a total cylinder charge in response to engine out NOx levels being below a first threshold. In this way, NOx levels may be used as feedback to control combustion stability.

Embodiments of systems and methods for tuning a turbine are provided. In one embodiment, a method may include receiving at least one of a measured operating parameter or a modeled operating parameter of a turbine during operation; and tuning the turbine during operation. The turbine may be tuned during operation by applying the measured operating parameter or modeled operating parameter or parameters to at least one operational boundary model, applying the measured operating parameter or modeled operating parameter or parameters to at least one scheduling algorithm, comparing the output of the operational boundary model or models to the output of the scheduling algorithm or algorithms to determine at least one error term, and closing loop on the one error term or terms by adjusting at least one turbine control effector during operation of the turbine.

Methods and systems are provided for reducing late burn induced cylinder pre-ignition events. Forced entry of residuals from a late burning cylinder into a neighboring cylinder may be detected based on engine block vibrations sensed in a window during an open exhaust valve of the late burning cylinder. In response to the entry of residuals, a pre-ignition mitigating action, such as fuel enrichment or deactivation, is performed in the neighboring cylinder.

A refresh controller of a memory device may include a timing controller, a refresh counter and an address generator. The timing controller generates a counter refresh signal in response to receiving a refresh command provided from an external device, and generates a hammer refresh signal that is activated periodically. The refresh counter generates a counter refresh address signal in response to the counter refresh signal, such that the counter refresh address signal represents a row address, the refresh counter being configured sequentially change the counter refresh address signal. The address generator generates a hammer refresh address signal in response to the hammer refresh signal, the hammer refresh address signal representing an address of a row of the memory device that is physically adjacent to a row of the memory device corresponding to a hammer address that is accessed intensively.

An apparatus for assigning a plurality of access nodes of a wireless communication network to control areas includes a processing apparatus. The processing apparatus is configured to assign each access node in the plurality of access nodes to a control area of a plurality of control areas and to determine a first control phase. The first control phase is a period of time during which the assignment of access nodes to control areas remains constant. The processing apparatus is configured to, when changing from the first control phase to a following second control phase, reassign at least a subset of access nodes which were assigned during the first control phase to a first control area to a second control area and reassign at least a subset of access nodes which were assigned during the first control phase to a third control area to the first control area.

A mechanism that allows the successful decoding of MCS information of cell edge UEs while retaining the performance for the other UEs of the cell is provided. In one aspect, a UE may determine an uplink control coding rate based on an uplink signal quality. The UE may encode uplink control data based on the uplink control coding rate. The UE may apply a pattern of unused resource element locations in uplink control resource elements based on the uplink control coding rate. The UE may transmit the uplink control resource elements with the pattern of unused resource element locations. In another aspect, an eNB may receive uplink control resource elements. The eNB may determine an uplink control coding rate based on a pattern of resource element locations in the uplink control resource elements. The eNB may decode uplink control data based on the uplink control coding rate.

A technique for emulating virtual port control of airtime fairness for wireless stations using per station Enhanced Distributed Channel Access (EDCA) parameters. Specific parameters are received for each of a plurality of stations connected to the access point. An EDCA field of a beacon that stores a general EDCA parameter is set to an empty state. The beacon is broadcast to a plurality stations on the wireless communication network and within range of an access point. The beacon comprises a BSSID (Basic Service Set Identifier) for use by the plurality of stations to connect with the access point for access to the wireless communication network. The beacon also comprises an empty EDCA field. In response to broadcasting the empty EDCA parameter, receiving a direct inquiry from each of the plurality of stations for the general EDCA parameter. Each of the plurality of stations is responded to with a direct communication of a specific parameter corresponding to each station. A transmission is received from at least one of the stations complying with the specific parameter.

According to one embodiment, an electronic apparatus includes an electromagnetic wave emitter, a wireless communication circuitry and a hardware processor. The electromagnetic wave emitter emits a first electromagnetic wave. The wireless communication circuitry communicates with another electronic apparatus according to a first standard, using a second electromagnetic wave. The first electromagnetic wave can be noise for a communication by the wireless communication circuitry. The hardware processor determines a period to be allowed to communicate with the another electronic apparatus according to the first standard. The electromagnetic wave emitter emits the first electromagnetic wave during the first period.

A user apparatus in a communication system including a first base station and a second base station that perform communication with the user apparatus by inter-base station carrier aggregation, including: a maximum transmission power holding unit configured to hold a maximum transmission power that is configured beforehand for the first base station; a transmission power determination unit configured to determine whether a transmission power that is used by the user apparatus for performing signal transmission to the first base station reaches the maximum transmission power held by the maximum transmission power holding unit; and a transmission control unit configured, when it is determined that the transmission power reaches the maximum transmission power by the transmission power determination unit, to stop signal transmission to the second base station.

A Wireless-Fidelity (Wi-Fi) communication control method of a vehicle includes: determining a Wi-Fi communication state of the vehicle at a current position; selecting a Wi-Fi channel having a low communication load according to the Wi-Fi communication state of the vehicle at the current position; and forming a Wi-Fi zone in the vehicle using the selected Wi-Fi channel.

It is disclosed a MPTCP capable system for reducing disconnection time for a MPTCP capable UE (702), when it is leaving a coverage area of a second radio access type, when the second RAT typically has priority over the first RAT. This disclosure further comprises a controller of the second RAT (706), a MPTCP capable network proxy node(708), as well as a MPTCP network system therefore. In addition, methods and computer program in the respective arrangement are also presented.

An improved apparatus for correcting deflection in small diameter feed and retard rolls of an open width stabilizer so as to create a straight line nip with uniform pressure across the nip. The improved apparatus provides apparatus for adjusting deflection of the rolls to thereby maintain a desired size to a passageway between them so as to optimize compaction of a fabric web material. A wedge-like member is disposed between, and in moving relationship to, feed and retard roller bearings. The wedge-like member is asymmetrical, has feed and retard sides that engage the feed and retard roller bearings, respectively, and exerts reaction forces against each of the respective bearings. Improvement resides in the reaction forces causing the rolls the rolls to not deflect downwardly.

A method is disclosed of directing bias tows of a fabric to be wrapped around a form to create a fabric preform. The fabric includes at least a first set of bias tows that are generally parallel with one another and a second set of bias tows that are generally parallel with one another but that are not parallel with the first set of bias tows. An edge strip is attached to ends of the first set of bias tows at a first lateral edge of the fabric relative to a feed direction of the fabric onto the form. The edge strip is moved to direct the first set of bias tows. The fabric is wrapped around the form by rotating the fabric and form relative to one another about the central axis of the form to create the fabric preform.

A control device for a dual clutch transmission includes a transmission control unit that determines immobility in an engaging-side clutch in a next stage as sticking and, when the engaging-side clutch in the next stage malfunctions and when a gear in a previous stage is out of engagement, engages the gear in the previous stage and thereafter controls a clutch torque capacity in the previous stage to a predetermined value, and a back torque limiter operates according to a predetermined condition to engage a release-side clutch in the previous stage.

An adjusting device is equipped with a rod and a holder disposed movably in the direction of the length of the rod at an end of the rod, and adjusts the allowance length of the inner cable coupled to the rod and (or) holder. The adjusting device is provided with a lock-discriminating member protruding from the periphery of the holder and a cover covering the periphery of the holder including the lock-discriminating member and the lock. The lock piece does not protrude from the periphery of the holder in the lock state and protrudes to the same height with the lock-discriminating member in the unlock state.

A restraining system is configured to secure and release a rider's footwear to a vehicle footrest in response to inputs to a control interface. The vehicle is typically a motorcycle or bicycle. In the case of a motorcycle, a rider's boot is restrained to a motorcycle foot peg by the action of a restraining device. Exemplary restraining device embodiments include an electromagnet or a mechanical latch. The control interface may be located on the motorcycle handlebar or on the rider's helmet. The rider can provide the inputs directly to the control interface. Alternatively, the inputs may be received from a wireless source.

An electromechanical actuator for a movable flight control surface of an aircraft, the actuator comprising an electric motor having an outlet shaft with first and second directions of rotation, a movement transmission arranged to connect the outlet shaft of the motor to the movable flight control surface, and a control unit for controlling the motor. The transmission incorporates a pawl device arranged to oppose the transmission of movement in the first direction of rotation, and the control unit is connected to a pawl declutching member for declutching the pawl and enabling movement to be transmitted in the first direction of rotation.

A vehicle includes a continuously variable transmission, a gear mechanism and a controller. The continuously variable transmission and the gear mechanism are provided in parallel with each other between an input shaft and an output shaft. The controller is configured to i) when the vehicle travels in a state where both a first clutch and a third clutch provided on the gear mechanism side are released, gradually increase a hydraulic pressure of the first clutch such that the first clutch is engaged, ii) calculate a command hydraulic pressure for setting the first clutch to a pressure regulating state on the basis of a command hydraulic pressure of the first clutch at a timing at which the amount of change in an output-side rotation speed of the first clutch becomes larger than a predetermined value, and iii) control the first clutch by using the calculated command hydraulic pressure.

The invention relates to a device for actuating a clutch-controlled transfer case having a two-stage intermediate gearing and a clutch-controlled transfer case that has a two-stage intermediate gearing and that is equipped with such a device. The device comprises: a rotatably driven selector shaft,a drive for rotating the selector shaft,a clutch cam disk, which can be rotated about a clutch cam disk axis by means of the selector shaft, andat least one scissor lever, wherein: one end (06) of at least one scissor lever is guided in a gate provided on the clutch cam disk,the gate has a curved path for each scissor lever, in which curved path the end of the scissor lever associated with the curved path is guided,the curved path winds around the clutch cam disk axis by at least 360°,the curved path has at least one helical segment having a continuously increasing or decreasing distance from the clutch cam disk axis, along which segment one end of a scissor lever guided therein experiences a continuously increasing or decreasing change in deflection with respect to the clutch cam disk axis during a rotation of the clutch cam disk with increasing angle of rotation, andthe clutch cam disk is disposed in such a way that the clutch cam disk can be rotated with respect to the selector shaft between two stops by an angle-of-rotation range such that, by means of rotation of the selector shaft within the angle-of-rotation range situated between said stops, shifting back and forth between the shifting stages of the intermediate gearing occurs, and, by means of rotation of the selector shaft beyond the angle-of-rotation range, the end of the at least one scissor lever experiences a deflection for actuating the clutch while a selected shifting stage is maintained.

A ball ramp actuator assembly including a control ring, an activation ring including a first section and a second section, two circumferential plate grooves formed between the control ring and the sections of the activation ring which contain rolling elements, two clutches, a gear and an actuator. The first and second sections are splined together allowing for axial movement. The first clutch is connected to the first section of the activation ring and a second clutch is connected to the second section of the activation ring. The rotation of a section of the activation ring axially in one direction allows the corresponding plate groove to expand and apply a load to the corresponding clutch while the other section of the activation ring remains inactive and rotation in the opposite direction activates the other clutch respectively.

Disclosed herein is a method of controlling drainage of wash water remaining in a washing machine. The method includes draining wash water from a tub to an outside of the washing machine, supplying wash water into the washing machine after the draining wash water, and re-draining the wash water to the outside of the washing machine after the supplying wash water.

A washing machine and a control method thereof to achieve washing performance using bubbles without damage to fiber structures of functional clothes. When a washing course of functional clothes is selected, a motor is frequently rotated at a period of a predetermined time or less, causing the clothes to uniformly adsorb the water. Thereafter, bubbles are generated and applied to the clothes. A drive operation rate of the motor is raised stepwise to wash the clothes to which the bubbles have been applied, so as to effectively remove sweat, contaminants, or the like contained in the clothes.

A control method of a laundry machine is disclosed. The control method of a laundry machine comprising a balancer includes an unbalance sensing step, wherein the unbalance sensing step recognizes an unbalancemaximum value and an unbalanceminimum value of an unbalance wave and the unbalance sensing step determines an average value of the two unbalance maximumvalue and unbalanceminimum value to be of the unbalance generated in a drum provided in the laundry machine.

An electrical circuit includes: at least one inductor, at least one varactor, and at least two transistors, all of which electrically arranged to form a voltage controlled oscillator (VCO) having an oscillation frequency; wherein the at least two transistors includes a first transistor and a second transistor; wherein the first transistor has a first bulk terminal and a first parasitic diode disposed between the first bulk terminal and the first transistor; wherein the second transistor has a second bulk terminal and a second parasitic diode disposed between the second bulk terminal and the second transistor; wherein application of a first control voltage to the first bulk terminal, application of a second control voltage to the second bulk terminal, or application of first and second control voltages to the first and second bulk terminals, respectively, is effective to change the oscillation frequency of the VCO.

The present disclosure relates to a delay control circuit arranged for adding delay to a signal. The delay control circuit includes a driver circuit arranged to receive a first signal and to output a second signal. The driver circuit includes a variable load arranged for outputting the second signal by adding delay to the first signal. The delay control circuit also includes a control circuit arranged to receive the first signal and to control the variable load of the driver circuit based on a current state of the first signal and on a control signal indicative of an amount of delay to be added to the first signal in the current state.

A solid state power control apparatus includes: (a) at least one IGBT and at least one FET, for supplying current to a load, and (b) a current controller for shutting off the IGBT and FET. The current controller is arranged to start shut off of the IGBT before it starts shut off of the FET. Further, the current controller is arranged to reduce current flow prior to start of the turn off of the IGBT and FET.

A loop filter with an active discrete-level loop filter capacitor can be used in a VCO (such as for CDR). A loop filter capacitor function is simulated by sensing input loop filter current (such as with a current mirror and source follower in the input leg), and forcing back a loop filter (VCO) control voltage. Loop filter voltage control is provided using a VDAC with a discrete-level VDAC feedback voltage, incremented/decremented based on the sensed loop filter current. In one embodiment, the VDAC voltage is provided as the non-inverting input to an amplifier, with the inverting input providing the control voltage, forced to the VDAC feedback voltage. The VDAC feedback voltage can be provided by increment/decrement comparators based on a voltage deviation on a C2 capacitor (from a reference voltage) that receives the sensed loop filter current (effectively multiplying the C2 capacitance to provide a simulated loop filter capacitance).

A power conversion system may include a plurality of power devices and a sensor operably coupled to at least one of the plurality of power devices and configured to detect a voltage, current, or electromagnetic signature signal associated with the plurality of power devices. The power converter may also include circuitry operably coupled to the plurality of power devices and the sensor. The circuitry may send a respective gate signal to each respective power device of the plurality of power devices, such that each respective gate signal is delayed by a respective compensation delay that is determined for the respective power device based on a respective time delay of the respective power device and a maximum time delay of the plurality of power devices.

An example circuit includes: a slew rate driver configured to provide an output voltage; a first voltage provider configured to provide a first input voltage to the slew rate driver in response to the output voltage being within a first range; and a second voltage provider configured to provide a second input voltage to the slew rate driver in response to the output voltage being within a second range. The slew rate driver is further configured to change the output voltage based at least in part on the first input voltage or the second input voltage.

A device for controlling a first control gate transistor, including: a second transistor and a third transistor series-connected between a first and a second terminals of application of a power supply voltage, the junction point of these transistors being connected to the gate of the first transistor; a terminal of application of a digital control signal; a circuit for generating an analog signal according to variations of the power supply voltage; and for each of the second and third transistors, a circuit of selection of a control signal of the first transistor representative of said digital signal or of said analog signal.

Methods and systems include constructing and operating a semiconductor device with a mid-band dopant layer. In various implementations, carriers that are optically excited in a mid-band dopant region may provide injection currents that may reduce transition times and increase achievable operating frequency in a bipolar junction transistor (BJT). In various implementations, carriers that are optically excited in a mid-band dopant region within a thyristor may improve closure transition time, effective current spreading velocity, and maximum rate of current rise.

A fuel cell system for supplying anode gas and cathode gas to a fuel cell and causing the fuel cell to generate power according to a load includes a component that circulates discharged gas of either the anode gas or the cathode gas discharged from the fuel cell to the fuel cell. The fuel cell system includes a power generation control unit that controls a power generation state of the fuel cell on the basis of the load, a freezing prediction unit that predicts the freezing of the component on the basis of a temperature of the fuel cell system. The fuel cell system includes an operation execution unit that executes a warm-up operation without stopping the fuel cell system or after the stop of the fuel cell system in the case of receiving a stop command of the fuel cell system when the freezing of the component is predicted.

A crosslapper receives a card web and folds it into a lap intended to be needle-punched or consolidated by other ways. The web includes zones which are more condensed, having a spectrum of orientation of fibers with a component parallel to the width of the web, alternating with less condensed zones having a longitudinal unidirectional spectrum of orientations. The zones which are less condensed are used to form the edge zones of the lap. The result is that the lap has different respective spectra of orientation which pre-compensate for the unwanted changes produced by the needle-punching or other consolidation which follows. A needle-punched lap is obtained having a uniform MD/CD ratio (relationship between longitudinal and respectively transverse tensile strengths) or having a sought profile of the MD/CD ratio across the width of the lap.

A movable privacy screen includes a plurality of privacy screen segments that are attachable to a bed or gurney. The plurality of screen segments include at least first and second screen segments. Each of the first and second screen segments include a first support pole, a second support pole and a coupler. The first support pole has a variable length to permit the first support pole to move between a collapsed configuration and an expanded configuration. The second support pole has a variable length to permit the second support pole to move between a collapsed configuration and an expanded configuration. The coupler movably couples the first and second support poles to the bed in a spaced relation to permit the first and second support poles to move between an upstanding use position and a lowered storage position. A fabric-like screen member is coupled to each of the first and second support poles. The fabric-like screen member is sized to extend between the first and second support poles, and is movable between a raised use position and a lowered storage position.

A patient support includes a frame, a patient support surface supported at the frame, a display incorporated into the frame, and a user interface incorporated into the frame. The patient support frame includes a controller incorporated into the frame, which has a plurality of prompts stored therein. The user interface is in communication with the controller and may be used to select a selected prompt from the plurality of prompts stored in the controller. When a prompt is selected, the controller generates a display image or text associated with the selected prompt at the display in response to a passage of time or an input to provide a visual prompt to the user.

A method for controlling a refrigerator may comprise controlling at least one of a temperature and humidity of at least one storage area of the refrigerator based on first storage information, receiving, from a second refrigerator different from the refrigerator, second storage information of the second refrigerator, and controlling at least one of the temperature and the humidity of the at least one storage area of the refrigerator based on the received second storage information.