Abstract: Embodiments are disclosed for a quality control method. The method includes verifying one or more sensors as part of a verification process and assessing a quality of an item or a technical process as part of a quality control process. Two or more measurements values characterizing the item or the technical process from the one or more sensors are obtained. One or more output values based on a computerized process taking the two or more measurements values as inputs are obtained. At least one of the output values obtained is compared to one or more corresponding reference values, to obtain a quality assessment of the item or the technical process.

Abstract: An analysis system 10 includes: an operational data acquisition unit 11 that acquires operational data including an operational state of a production line 20; a product information acquisition unit 13 that acquires a state of a product manufactured in the production line and outputs the state of the product as product information; a production state analyzer 12 that obtains a predetermined physical quantity of the product on a basis of the operational data acquired by the operational data acquisition unit 11 and outputs the predetermined physical quantity as information on the physical quantity; and a correlation analyzer 14 that performs analysis of a correlation between the information on the physical quantity and the product information.

Abstract: Techniques regarding manufacturing one or more digital product designs are provided. For example, one or more embodiments described herein can include a system, which can comprise a memory that can store computer executable components. The system can also comprise a processor, operably coupled to the memory, and that can execute the computer executable components stored in the memory. The computer executable components can comprise a user interface component that generates a manufacturability report regarding a product design in relation to a manufacturing process. The manufacturability report can indicate whether a product feature included in the product design is permissible based on a plurality of manufacturing considerations associated with the manufacturing process.

Abstract: A state machine management component that executes on an edge device within an industrial facility is capable of discovering state machines defined on industrial controllers and translating the state machine definitions to information models that allow the state machines to be discovered and utilized by remote client applications. The edge-level information models allow the client applications to render or consume the state machine data generated by the controller, graphically render the state machines, submit commands, or set values, to the controller as state machine commands via the edge device. The edge-level system thus allows client applications with no prior knowledge of the control-level state machines to discover, retrieve, and interact with state machines defined on the industrial controllers.

Abstract: A measuring instrument and a method of remote quantity value transfer/traceability are provided. The measuring instrument includes a central processing component, a local quantity value transfer/traceability component connected to the central processing component, a remote quantity value transfer/traceability component connected to the central processing component and a remote communication component connected to the central processing component; a metrological grade of the remote quantity value transfer/traceability component is greater than or equal to that of the local quantity value transfer/traceability component; the remote quantity value transfer/traceability component is configured to perform quantity value transfer/traceability to the local quantity value transfer/traceability component by using one of the in-machine metrological standard and the remote high-grade metrological standard provided from the remote quantity value transfer/traceability component.

Abstract: The invention relates to a method for predicting flooding in a distillation column by machine learning including a constructing and training phase of a machine learning model obtained from previously collected data and from a set of sensors, an operational phase for predicting flooding(s), by collecting a current data flow until a buffer is filled, pre-processing data from the data buffer by predetermined cleansing and classification, synchronizing the data of the current set of clean and classified data, determining a value of a current variable representative of at least one current performance of the at least one distillation column, forming a current set of transformed data by calculating predetermined derivatives, and predicting the current state of said distillation column by applying said learning model to said current set of transformed data.

Abstract: A thermal metamaterial device comprises at least one MEMS thermal switch, including a substrate layer including a first material having a first thermal conductivity, and a thermal bus over a first portion of the substrate layer. The thermal bus includes a second material having a second thermal conductivity higher than the first thermal conductivity. An insulator layer is over a second portion of the substrate layer and includes a third material that is different from the first and second materials. A thermal pad is supported by a first portion of the insulator layer, the thermal pad including the second material and having an overhang portion located over a portion of the thermal bus. When a voltage is applied to the thermal pad, an electrostatic interaction occurs to cause a deflection of the overhang portion toward the thermal bus, thereby providing thermal conductivity between the thermal pad and the thermal bus.

Abstract: An integrated control apparatus for an autonomous driving vehicle is configured to perform steering, shifting, accelerating, and braking of the vehicle by a user operating a foldable steering wheel, a shift slide switch, an acceleration trigger switch, and a brake button switch that are provided in a movable manipulator when the vehicle is turned from an autonomous driving mode to a manual driving mode.

Abstract: A vehicle to operate with a rider according to an operating parameter. The vehicle includes a set of physiological monitoring sensors configured to measure a physiological parameter of a rider within the vehicle. The vehicle further includes a neural network trained on data related to a set of rider in-vehicle experiences to determine a state of the rider by processing outputs of the set of physiological monitoring sensors. The vehicle further includes an augmented or virtual reality system configured to present augmented reality content to the rider within the vehicle based, at least in part, on the physiological parameter. The vehicle further includes an optimization system to automatically identify a variation in the operating parameter to improve a measure of the state of the rider and generate a command to vary the operating parameter and the augmented reality content according to the variation.

Abstract: A system may include a first neural network trained to determine an operating state of a vehicle from data about the vehicle captured in an operating environment of the vehicle, where the first neural network processes information about the vehicle captured by at least one Internet-of things device while the vehicle is operating. A data structure facilitates determining operating parameters configured to influence an operating state of a vehicle. A second neural network operates to: a) process information about a state of the rider occupying the vehicle, b) determine a correlation between the operating state and an effect on the state of the rider, and c) improve at least one of the determined operating parameters of the vehicle based on i) the determined operating state of the vehicle and ii) the correlation between the operating state of the vehicle and the effect on the state of the rider.

Abstract: A system and method for secure remote control of a machine includes transmitting video data from a camera on the machine to an operator controller located at a remote operation station, and receiving, at a machine controller of the machine, an operator control message from the operator controller. The operator control message is based on an input device actuated in response to the video data. The method further includes confirming validity of the operator control message based, at least in part, on the video data transmitted from the camera to the operator controller, and controlling the machine with the operator control message when validity of the operator control message is confirmed.

Abstract: Micro-authorization of remote assistance for an autonomous vehicle is described herein. A constraint that inhibits propulsion by a mechanical system of the autonomous vehicle is activated by a computing system of the autonomous vehicle, wherein a signal that identifies the activated constraint is transmitted from the autonomous vehicle to a remote computing system. The remote computing system generates instructions to deactivate the activated constraint. A return signal is transmitted from the remote computing system that specifies instructions to deactivate the constraint and a distance to desirably advance the autonomous vehicle. The computing system of the autonomous vehicle deactivates the constraint and the mechanical system is controlled to advance the autonomous vehicle when signal latency is less than a predetermined threshold duration of time.

Abstract: In one example embodiment, a computer-implemented method includes receiving data representing a motion plan of the autonomous vehicle via a plurality of control lanes configured to implement the motion plan to control a motion of the autonomous vehicle, the plurality of control lanes including at least a first control lane and a second control lane, and controlling the first control lane to implement the motion plan. The method includes detecting one or more faults associated with implementation of the motion plan by the first control lane or the second control lane, or in generation of the motion plan, and in response to one or more faults, controlling the first control lane or the second control lane to adjust the motion of the autonomous vehicle based at least in part on one or more fault reaction parameters associated with the one or more faults.

Abstract: Discussed herein are devices, systems, and methods for improved trajectory planning. A method can include providing two of (i) a first value indicating a change in velocity to alter an orbit of a first object to a transfer orbit; (ii) a second value indicating a range between the first object and a second object; or (iii) a third value indicating an altitude of the first object relative to a celestial body around which the first and second objects are orbiting as input to a machine learning (ML) model, receiving, from the ML model, a holdout value, the holdout value a prediction of the value, of the first value, the second value, and the third value, that was not provided to the ML model, and providing the holdout value to an orbital planner.

Abstract: Techniques relating to training a model for detecting that a vehicle is likely to perform a cut-in maneuver are described. Computing device(s) can receive log data associated with vehicles in an environment and can detect an event in the log data, wherein an event corresponds to a cut-in maneuver performed by a vehicle. In an example, the computing device(s) can generate training data based at least in part on converting a portion of the log data that corresponds to the event into a top-down representation of the environment and inputting the training data into a model, wherein the model is trained to output an indication of whether another vehicle is likely to perform another cut-in maneuver.

Abstract: A vehicle includes an electronic control unit that includes a processor; and one or more processor-readable instructions; and an occupant detection sensor configured to output a signal indicative of a presence of an occupant. When executed by the processor, the one or more processor-readable instructions cause the vehicle to: record a route from a first location to a second location, and autonomously return to the first location from the second location using the recorded route based on the signal received from the occupant detection sensor.

Abstract: This automated travel system for spraying work has a target path generation unit for generating a target path for a spraying work. A work vehicle is provided with left and right liquid spraying units which have spraying patterns including: a four-direction spraying pattern in which each of the left and right liquid spraying units sprays a liquid to both the left and right directions; and a direction-restricted spraying pattern in which the number of spraying directions of the left and right liquid spraying units is restricted to 3 or less. The target path generation unit generates the target path P in a path setting to incorporate a four-direction spraying path for which the four-direction spraying pattern is set as a spraying pattern and direction-restricted spraying paths for which the direction-restricted spraying pattern is set as a spraying pattern.

Abstract: A mobile robot includes: a drive unit that changes a moving speed and a travel direction; a detection unit that detects a plurality of detection target objects 11; and a control unit 27 that acquires a distance Z and a direction ? to the detection target object unit, calculates a travel direction in which the distance and the direction to the detection target object satisfy a predetermined relationship, and drives and controls the drive unit on the basis of the calculated travel direction. The control unit calculates a distance x in a direction orthogonal to the movement route between the detection target object and a current position of the mobile robot and the direction to the detection target object, calculates a difference ?x between the distance x and a certain distance Xref, and executes drive control for the drive unit to cause the difference ?x to be 0 (zero).

Abstract: Substantially discontinuous surface feature traversal feature of the present teachings can leverage a transport device (TD), for example, but not limited to, an autonomous device or a semi-autonomous device, to navigate in environments that can include features such as substantially discontinuous surface features. The substantially discontinuous surface feature traversal feature can enable the TD to travel on an expanded variety of surfaces. In particular, substantially discontinuous surface features can be accurately identified and labeled so that the TD can automatically maintain the performance of the TD during ingress and egress of the substantially discontinuous surface feature.

Abstract: The present invention extends to methods, systems, and computer program products for path planning for autonomous moving devices. Aspects of the invention include planning a path for a mobile robot to move autonomously in an environment that includes other static and moving obstacles, such as, for example, other mobile devices and pedestrians, without reference to a prior map of the environment. A planned path for a mobile robot can be determined, adjusted, and adapted using diffusion maps to avoid collisions while making progress towards a global destination. Path planning can include using transition probabilities between grid points to find a feasible path through parts of the environment to make progress towards the global destination. In one aspect, diffusion maps are used in combination with a receding horizon approach, including computing diffusion maps at specified time intervals.

Abstract: An error estimation component may generate contours or a heat map of a likelihood that an object detection or prediction generated by a perception component of an autonomous vehicle is inaccurate. The contours or heat map may be used to lock or unlock actions available to a planning component and the planning component may use the contours or heat for determining a trajectory for controlling the autonomous vehicle. The planning component may additionally or alternatively alter operation of a sensor or determine a trajectory to unlock a target action that is currently locked due to a size/extent of uncertainty indicated by a contour/heat map.

Abstract: Techniques for validating and correcting teleoperation signals for an autonomous vehicle are described herein. In some examples, a system may receive, from a remote computing device, an instruction to stop movement of an autonomous. The system may determine, based at least in part on map data, that the instruction is associated with stopping the autonomous vehicle in a non-stopping area. In response to determining that the instruction is associated with stopping the autonomous vehicle in the non-stopping area, the system may determine to continue movement of the autonomous vehicle beyond the no-stopping area. The system may further identify a stopping location that is at least partially outside of the no-stopping area and control the autonomous vehicle to instead stop at the stopping location.

Abstract: Pallet detection device that acquires point cloud data indicating a point cloud measured by a two-dimensional distance measurement device on a depth map; detects a straight line corresponding to a front surface of a pallet based on the point cloud in a region presumed to include the front surface of the pallet in the point cloud data; detects a line segment indicating the front surface of the pallet based on the straight line; acquires position and orientation of the pallet based on the line segment. Acquires one or more straight line candidates and assigns for each of the one or more straight line candidates a score to the point cloud and selects the straight line from the one or more straight line candidates based on a score accumulated value obtained by accumulating the score for the point cloud in the region presumed to include the front surface of the pallet.

Abstract: A method of determining a tow hitch position. The method includes obtaining a two-dimensional image of a tow hitch in a three-dimensional scene. A model tow hitch is obtained in three dimensions. A three-dimensional rendering of a scene is generated that includes the model tow hitch. The model tow hitch in the three-dimensional rendering is positioned in an orientation corresponding with an orientation of the tow hitch in the three-dimensional scene.

Abstract: Systems and methods for controlling an autonomous vehicle are provided. In one example embodiment, a computer-implemented method includes obtaining sensor data indicative of a surrounding environment of the autonomous vehicle, the surrounding environment including one or more occluded sensor zones. The method includes determining that a first occluded sensor zone of the occluded sensor zone(s) is occupied based at least in part on the sensor data. The method includes, in response to determining that the first occluded sensor zone is occupied, controlling the autonomous vehicle to travel clear of the first occluded sensor zone.

Abstract: A materials handling vehicle includes a camera, odometry module, processor, and drive mechanism. The camera captures images of an identifier for a racking system aisle and a rack leg portion in the aisle. The processor uses the identifier to generate information indicative of an initial rack leg position and rack leg spacing in the aisle, generate an initial vehicle position using the initial rack leg position, generate a vehicle odometry-based position using odometry data and the initial vehicle position, detect a subsequent rack leg using a captured image, correlate the detected subsequent rack leg with an expected vehicle position using rack leg spacing, generate an odometry error signal based on a difference between the positions, and update the vehicle odometry-based position using the odometry error signal and/or generated mast sway compensation to use for end of aisle protection and/or in/out of aisle localization.

Abstract: Systems and techniques for updating floor plans for use by autonomous mobile devices. The techniques include accessing a first floor plan with associated spatial metadata. An updated occupancy map is received with additional geographic updates over the first floor plan. A transformation of the first floor plan is determined to match the new occupancy map. The spatial data and the first floor plan are transformed and the transformed spatial metadata is associated with the new occupancy map to form a second floor plan.

Abstract: Systems and methods for creating and using risk profiles for management of a fleet of vehicles are disclosed. The risk profiles characterize values representing likelihoods of occurrences of vehicle events, based on previously detected vehicle events. Exemplary implementations may: obtain vehicle event information for vehicle events that have been detected by the fleet of vehicles; aggregate the vehicle event information for multiple ones of the events to create one or more of a first risk profile, a second risk profile and/or a third risk profile; obtain a point of origin for and a target destination of a particular vehicle; determine a set of routes from the point of origin to the target destination; determine individual values representing likelihoods of occurrences of vehicle events along individual routes in the set of routes; select the first route from the set of routes; and provide the selected first route to the particular vehicle.

Abstract: An aerial vehicle includes a liquid chemical tank, at least one spray unit, at least one actuator, a plurality of sensors, and a processing unit. The processing unit is configured to determine an air movement direction relative to a projection of the fore-aft axis onto the ground and determine an air movement speed relative to the ground, the determination comprising utilization of the speed of the aerial vehicle, the air movement direction relative to the aerial vehicle with respect to the fore-aft axis of the aerial vehicle and the air movement speed relative to the aerial vehicle. The processing unit is configured to control at least one flying operation of the aerial vehicle and/or control the at least one actuator.

Abstract: Systems and methods for an energy managed autoflight function that enables maneuvers previously done by the speed-on-elevator modes to be achieved while maintaining the autoflight function in speed-on-throttle mode. An autoflight guidance algorithm and strategy replaces speed-on-elevator modes with an automatic flight path angle (Auto-FPA) mode that can control speed-controlled climbs and descents. The autoflight guidance algorithm and strategy provide (i) autothrust and autoflight coordination during speed-on-throttle modes, (ii) and Auto-FPA control law or mode, (iii) the Auto-FPA control law being configurable for fixed thrust modes, and (iv) a speed protection monitoring scheme.

Abstract: A mission system for autonomous vehicle (AV) team coordination and a method of using the same are disclosed. A controller included on an AV shares mission data between two or more AVs, and in response to communication denial, generates estimated navigation trajectories for teammate AVs. A simulation outputs estimated navigation states for the teammate AVs. The estimated navigation states are identical or substantially identical to navigation states otherwise generated by controllers included on the teammate AVs. The estimated navigation trajectories are generated based on the estimated navigation states.

Abstract: Autonomous vehicles including ladders and related methods are disclosed. An example system includes an autonomous vehicle including an integrated ladder and a processor to detect a state of the ladder as being in one of a stowed state, a deployed state, or a use state; in response to detecting that the ladder is in the stowed state, cause the autonomous vehicle to operate in a first drive mode and a second drive mode; in response to detecting that the ladder is in the deployed state, cause the autonomous vehicle to operate in the second drive mode and to restrict from operating in the first drive mode; and in response to detecting that the ladder is in the use state, cause the autonomous vehicle to refrain from operating in the first drive mode and the second drive mode.

Abstract: A power system includes a power source, field gas supply, and natural gas supply, and is operable using a gas mixture comprising field gas from the field gas supply and natural gas from the natural gas supply. A ratio of field gas to natural gas is adjusted based on sensed property of the field and/or natural gas, change in a condition of the field and/or natural gas, measured emissions from the power source, predicted emissions from the power source, and/or direct/indirect feedback from the power source. A method for operating a power system includes: connecting a mixing gas line and a field gas line to a power source at work site; determining a ratio of mixing gas to field gas; combining mixing gas from the mixing gas line and field gas from the field gas line based on the determined ratio; and operating the power source with the combined gases.

Abstract: A pressure equalization structure is provided. The pressure equalization structure includes a vehicle component comprising an internal cavity having a first volume, and a first passageway coupled to the internal cavity, and an equalization structure for equalizing air pressure in the internal cavity with ambient pressure. The equalization structure includes a first end coupled to the first passageway, a second end exposed to the ambient pressure, and a second passageway between the first end and the second end, the second passageway having a second volume. The equalization structure has an installed orientation in which the first end is arranged above the second end.

Abstract: Disclosed is a flow control system for digital and mechanical redundant pressure compensation. On the basis of an original pressure compensation valve, two-position three-way electromagnetic valves are added to control the opening and closing of pressure compensation valves. Furthermore, pressure sensors and a controller are added, so that the system has a digital pressure compensation function. When the pressure sensor breaks down, the flow control system is switched to a mechanical compensation mode to achieve mechanical pressure compensation, the problem that system flow cannot be controlled when the sensor breaks down is solved, and the purpose of redundancy control is achieved. Moreover, the pressure compensation valve in the loop where the highest load is located can be controlled to be completely opened through the two-position three-way electromagnetic valve to reduce pressure loss of the valve port, and the pressure is not affected by load fluctuation.

Abstract: Rejected gas recovery in gas-oil separation plants (GOSPs) is implemented. A gas phase is flowed from a GOSP to a central gas plant through a first gas flow pathway at a first flow pressure. Gas from a gas reservoir is flowed through a second gas flow pathway at a second flow pressure. The first gas flow pathway is separate from the second gas flow pathway. While flowing the gas phase through the first gas flow pathway, a decrease in the first flow pressure below a threshold flow pressure is determined. In response, a gas-gas ejector, which is fluidically coupled to the first gas flow pathway and the second gas flow pathway, is operated to drive a flow of the gas phase to the central gas plant using gas from the gas reservoir as a motive gas.

Abstract: A gas phase is flowed from a first GOSP through a first gas flow pathway to a second gas flow pathway at a first flow pressure. The gas phase from the second gas flow pathway is flowed to a central gas plant at a second flow pressure greater than the first flow pressure. The second gas flow pathway receives a gas phase from a second GOSP. While flowing the gas phase through the first gas flow pathway, a decrease in the first flow pressure below a threshold flow pressure is determined. In response, a gas-gas ejector, fluidically coupled to the first gas flow pathway and the second gas flow pathway, is operated to drive a flow of the gas phase to the central gas plant using the gas phase flowed through the second gas flow pathway at the second flow pressure as a motive gas.

Abstract: The present disclosure relates to a metered dispense input device that wirelessly communicates with a wireless control module of an electronic faucet to allow wireless control of the faucet such that selected volumes of water can be dispensed. The present disclosure further relates to a metered dispense input device that is integrated into an electronic faucet to allow the dispensing of selected volumes of water.

Abstract: Example split valves for regulating a first flowrate and a second flowrate of a fluid within a closed loop systems are disclosed herein. An example split valve includes an electrohydraulic servo valve coupled to a first piston via a first hydraulic flowline and a second hydraulic flowline, the first piston to include a piston shaft, a first head, and a second head; one or more bellows fixed to at least one of the first head or the second head, the one or more bellows to hermetically seal the fluid from a hydraulic fluid; and a control system connected to the electrohydraulic servo valve, the control system to adjust the first flowrate and the second flowrate of the fluid through a first fluid chamber, the first piston to be located in the first fluid chamber.

Abstract: A liquid level control system employs a flap gate for discharging liquid, but with a midstream headloss inducing device between the basin or tank and the flap gate. The flap gate opens when liquid level in the basin rises, and the opening of the gate is controlled by a counterweight positioned so as to decrease closing force as the gate opens farther, thus managing the outflow of liquid to efficiently return the basin to a design level. If flow from the basin is generally constant, the system will reach a point of equilibrium of gate opening and closing forces while liquid flows out from the basin.

Abstract: A reference generator circuit included in a computer system may employ multiple field-effect transistors to generate a reference voltage whose value is based on the threshold voltages of the multiple field-effect transistors. The reference generator circuit can include a current source that generates a bias current. One of more stages included in the reference generator circuit can generate, using the bias current, respective output voltages whose values are based on differences in threshold voltages of field-effect transistors included in the stages. The output voltages can be combined to generate different reference voltage values.

Abstract: A PD controller integrated circuit of a USB apparatus is disclosed, including a CC pad, a first switch, a second switch, a PD controller circuit, a high voltage sensing circuit, and a switch control circuit. The high voltage sensing circuit senses the CC pad. When a current voltage of the CC pad does not exceed a rated range, the first switch and the second switch connected in series between the CC pad and the PD controller circuit are turned on. When the current voltage exceeds the rated range, the first switch and the second switch are turned off, and the switch control circuit maintains a voltage of a common node between the first switch and the second switch at a reduced level lower than the current voltage.

Abstract: A multi-loop error amplifier circuit for generating an error amplification signal includes: a first operational transconductance amplifier (OTA) including a first current output stage which generates a first transconductance amplification current in a predetermined current direction according to a first voltage difference between a positive terminal and a negative input terminal of the first OTA; a second OTA including a second current output stage which generates a second transconductance amplification current in the predetermined current direction according to a second voltage difference between a positive terminal and a negative input terminal of the second OTA. The first and the second current output stages are coupled in series to generate a first error output current. The error amplification signal is generated according to the first error output current which is equal to the smaller one of the first and the second transconductance amplification currents.

Abstract: According to one embodiment, a constant voltage circuit includes: a first gain stage configured to output a first voltage amplified based on an output voltage and a reference voltage; a first transistor configured to control the output voltage based on the first voltage applied to a gate; and a second circuit configured to control a first signal based on a second voltage obtained by delaying an output timing of the output voltage and a third voltage that is based on the output voltage. In a case of the first signal being at a first logic level, a first current flows through the first gain stage, and in a case of the first signal being at a second logic level, a second current flows through the first gain stage.

Abstract: A reference current source includes a reference current path, a first output current path and a second output current path. The reference current path includes a diode-connected first transistor, a diode-connected second transistor, and a first resistor that are connected in series between a first fixed potential and a second fixed potential. The first output current path includes a third transistor having a gate connected to a gate of the second transistor, forming a current mirror together with the second transistor, and a second resistor interposed between the third transistor and the first fixed potential. The second output current path includes a voltage-current conversion circuit to which a potential of a third node between the third transistor and the second resistor in the first output current path is applied and through which a reference current flows.

Abstract: The invention relates to a foot pedal control unit for an ophthalmic surgery system. The unit has a base and a treadle that is configured for pivotal pitch movement and for pivotal yaw movement relative to the base for generating control signals to an ophthalmic surgery system. The unit further comprises an inlay cover that is removably placed on the treadle. Optionally, the unit comprises a locking element that is movable between a lock position wherein the treadle is locked against pivotal yaw movement and a release position wherein the treadle is enabled to perform pivotal yaw movement.

Abstract: A semiconductor apparatus includes an internal clock generating circuit, a stop controlling circuit, and a data clock generating circuit. The internal clock generating circuit generates, based on a reference clock signal, a plurality of internal clock signals. The stop controlling circuit generates a stop signal and a clock level signal based on the reference clock signal and the plurality of internal clock signals. The data clock generating circuit generates a data clock signal and a complementary data clock signal based on the plurality of internal clock signals, the stop signal, and the clock level signal.

Abstract: An elongate frame for a touch-sensitive device comprises: a bottom wall, a top wall and a side wall connected therebetween. The elongate frame also comprises a first mounting and a second mounting for respectively fixing at least one light emitter and a touch surface with respect to the frame. The elongate frame also comprises a slot at least partially positioned above the second mounting and the first mounting wherein the slot is arranged to receive an optical component.

Abstract: A display apparatus is disclosed, which includes a display panel including a first area and a second area, a first rear cover disposed below a rear surface of the display panel, a first sound generating module arranged in the first area to adjoining the display panel, and a second sound generating module arranged in the second area to be spaced apart from the display panel, wherein the first rear cover includes a first rear cover port hole formed to overlap the second sound generating module, the second sound generating module includes an enclosure disposed below a rear surface of the first rear cover and coupled with the first rear cover, and a second sound generating unit mounted in the enclosure, and the enclosure includes an enclosure port hole overlapped with the first rear cover port hole.

Abstract: A display bracket includes a base and a first support component. The base is used for placing a laptop. The first support component is located on one side of the base, and the first support component is capable of rotating along a transverse length direction of the base. A back of the first support component is provided with a fixing device for installing an extended screen. The extended screen can be installed on the first support component through the fixing device on the first support component, and the laptop can be placed on the base. When the extended screen is installed on the first support component, an extension of a display of the laptop can be realized without a need to install the extended screen on the laptop display, so as not to damage the laptop and greatly improve user experience.