Abstract: A regulator includes: a first transistor connected between an input terminal and an output terminal; a feedback circuit configured to control a control voltage of a control electrode of the first transistor such that a voltage of the output terminal approaches a target voltage according to a feedback voltage proportional to the voltage of the output terminal; a second transistor having one end connected to the input terminal and a control electrode to which the control voltage is applied in common with the first transistor; and a clamp circuit configured to set the other end of the second transistor to a voltage determined by the voltage of the output terminal.

Abstract: A current mirror includes first and second transistors having current paths coupled to an input current line. The current paths for the first and second transistors are referenced to ground via respective first and second resistors having resistance values twice a first resistance value. The first transistor is diode connected. A third transistor has a current path coupled to an output current line and referenced to ground via a third resistor having a second resistance value equal to the first resistance value divided by a mirror factor. Control terminals of the first and third transistors are coupled together, and further coupled to a control terminal of the second transistor through a coupling resistor. A first capacitor is coupled between ground and the control terminal of the second transistor unit. A second capacitor is coupled between ground and the current path through the third transistor.

Abstract: The present disclosure relates to shedding loads based on perturbation of active power and perturbation of reactive power. For instance, a method includes receiving electrical measurements of a power system. The method includes detecting a contingency in the power system. The method includes determining perturbation of the active power and perturbation of reactive power in the power system based on the electrical measurements. The method includes shedding one or more loads of the power system due to the contingency based on the perturbation of the active power and the perturbation of reactive power.

Abstract: A driver circuit comprises a first buffer receiving a control signal, and a first transistor coupled to first buffer and an output. A second transistor is coupled to a first current mirror and the output. A third transistor is coupled to the output and an inverter. A fourth transistor receives the inverter's output at its control input and is coupled to the output. A fifth transistor is coupled to third transistor. The second, third, and fifth transistors receive supply voltage at their respective control inputs. A sixth transistor receives the control signal's inverse at its control input and is coupled to fifth transistor and a second current mirror. A current source is coupled to second current mirror and a second buffer. A seventh transistor receives the second buffer's output at its control input and is coupled to first buffer. An eighth transistor is coupled to first buffer and seventh transistor.

Abstract: A bicycle operating apparatus includes a carrier element having fastening device for fixing the apparatus to the handlebar; a housing, on the carrier element, having an electronic circuit arrangement in the housing; a first and a second switch, each connected to the electronic circuit arrangement, are on the housing; and an operating component mounted on the carrier element pivotable about an operating axis preloaded into a neutral position, the operating component deflected out of the neutral position in a first direction of rotation about the operating axis to actuate the first switch, and deflected out of the neutral position in a second direction opposite to the first direction to actuate the second switch, where the operating component includes a first operating element and a second operating element that are formed separately from one another in one piece and are mounted on the carrier element pivotable about the operating axis.

Abstract: A joystick assembly includes a joystick and pre-load centering springs coupled to the joystick for biasing the joystick to a neutral position. The joystick has a central free-play zone, a transitional zone surrounding the central free-play zone in which the pre-load centering springs begin to act upon the joystick, and a load zone surrounding the transitional zone in which the pre-load centering springs exert a relatively flat spring rate upon the joystick. An angular position sensor system generates a first signal indicative of a travel angle of the joystick. A force sensor system generates a second signal indicative of a force applied to the joystick. A controller receives the first and second signals and sets start/stop points for control by the joystick approximately synchronously with the joystick moving from the transitional zone to the load zone based upon the second signal.

Abstract: An output signal generation circuit includes a first pulse generation circuit configured to receive first information and generate a first pulse signal including the first information, the first pulse signal having a first pulse width that is a minimum pulse width of the first pulse signal, a second pulse generation circuit configured to receive second information and the first pulse signal, and generate a second pulse signal in which the second information is superimposed on the first pulse signal, the second pulse signal having a second pulse width smaller than the first pulse width, and an output circuit configured to output the second pulse signal.

Abstract: An LO clock signal generator includes a fundamental mixer for mixing a source clock signal with a divided version of the source clock signal. The LO clock signal generator also includes a harmonic mixer for mixing the source clock signal with a third harmonic of a divided version of the source clock signal.

Abstract: A processing system includes a digital processing unit programmable as a function of a firmware stored to a non-volatile memory and a resource connected to the digital processing unit via a communication system. The processing system also includes a time reference circuit including a first digital counter circuit to generate, in response to a clock signal, a system time signal including a plurality of bits indicative of a time tick-count, and a time base distribution circuit to generate a time base signal by selecting a subset of the bits of the system time signal, wherein the time base signal is provided to the resource. The resource detects a given event, stores the time base signal to a register in response to the event, and signals the event to the digital processing unit. The digital processing unit reads, via the communication system, the time base signal from the register.

Abstract: A display position adjusting apparatus includes a processor and an arcuate bracket. The arcuate bracket includes a first arcuate rod and a second arcuate rod that are disposed perpendicular to each other. The display is disposed on the second arcuate rod. The display is connected to the second arcuate rod through the first connector and configured to move along the second arcuate rod through the first connector under a control of the processor. The second arcuate rod is connected to the first arcuate rod through a second connector, and configured to move along the first arcuate rod through the second connector under the control of the processor.

Abstract: A training apparatus has an input device and a wearable computing device with a bio-signal sensor and a display to provide an interactive virtual reality (“VR”) environment for a user. The bio-signal sensor receives bio-signal data from the user. The user interacts with content that is presented in the VR environment. The user interactions and bio-signal data are scored with a user state score and a performance scored. Feedback is given to the user based on the scores in furtherance of training. The feedback may update the VR environment and may trigger additional VR events to continue training.

Abstract: A system may include ring devices. A ring device may have a housing that is configured to be worn on a finger of a user. Sensors such as force sensors, ultrasonic sensors, inertial measurement units, optical sensors, touch sensors, and other components may be used in gathering input from a user. Control circuitry may wirelessly transmit information gathered from sensors and other input devices to an associated electronic device. The information may be used in controlling operation of the electronic device. The housing of the ring device may have an annular main body and an expandable portion coupled to the main body. The expandable portion may include a flap with a hinge, a rotatable housing member, a housing with an internal adjustable frame and a cover, an expandable housing formed from an expandable tube coupled between first and second annular devices, and other expandable structures.

Abstract: A vibration system includes a vibration plate and an edge portion disposed around the vibration plate. The vibration plate has a first region and a second region that have shapes asymmetrical with each other. The vibration plate is configured such that a weight difference between the first region and the second region is equal to or smaller than a threshold value and besides stiffness at the edge portion is substantially uniform.

Abstract: An electronic device display and a display cover layer may be coupled to a housing. The display may have an array of pixels that are configured to emit light. One or more light redirecting elements may be incorporated into the electronic device that redirect and thereby change the direction of light rays emitted from peripheral pixels in the display. The light redirecting elements may be used to enlarge the effective size of the display, to create images on sidewall surfaces of the display cover layer, and/or to create diffuse glowing areas around the periphery of the device. Light redirecting elements may be formed as integral portions of a display cover layer, as laminated optical films on a display cover layer, or as coating layers on a display cover layer. Afocal optical systems may be formed by placing first and second light redirecting elements on opposing first and second sides of a display cover layer.

Abstract: The disclosure relates to a foldable electronic device and a method for controlling image capturing by using a plurality of cameras. The foldable electronic device includes: a first housing including a first surface and a third surface; a second housing including a second surface and a fourth surface; a first display disposed on the first and second surfaces; a second display disposed on the third surface; a first camera module disposed on the third surface; second camera modules disposed on the fourth surface; a memory; and a processor. The processor is configured to: when the foldable electronic device is in a closed state, display a preview image obtained from the first camera module on the second display; detect a user input for changing an image capturing mode; sense whether a state of the foldable electronic device is changed; and when the state of the foldable electronic device is changed, display information relating to the second camera modules on the second display.

Abstract: An electronic device including a first body, a supporting member, a second body, and an input assembly is provided. The first body is provided with a front end and a rear end opposite to each other. One terminal end of the supporting member is pivotally connected to the rear end of the first body. The second body is pivotally connected to the other terminal end of the supporting member. The input assembly is rotatably connected to the second body and is suitable for being carried by the first body. When a lower edge of the second body is located at the front end of the first body, the input assembly protrudes out from the front end of the first body.

Abstract: A flexible display includes: an antenna region, provided thereon with a metal trace configured as an antenna of an electronic device to receive or transmit a signal; and a display region configured to display screen content of the electronic device.

Abstract: A flexible display device is provided, which includes a first housing, a second housing, a hinge structure that connects the first housing and the second housing and supports a hinge motion of the first housing or the second housing, a heat source disposed in the first housing, a heat sink disposed in the second housing, and a heat-dissipation path structure disposed across the first housing, the hinge structure, and the second housing. The heat-dissipation path structure transfers heat generated by the heat source to the heat sink.

Abstract: Disclosed in various embodiments are an electronic device for confirming whether submergence of the electronic device has occurred by using a submergence recognition circuit, and an operating method, the electronic device comprising: a power control circuit for controlling power supplied to at least one component of the electronic device; at least one submergence recognition circuit including a first pole connected to at least one port of the power control circuit, and a second pole connected to a ground; a processor electrically connected to the power control circuit; and a memory electrically connected to the processor, wherein the memory can be configured, during execution thereof, to store instructions for allowing the processor to: control the power control circuit such that power is supplied to the submergence recognition circuit; sense a current flowing from the submergence recognition circuit to the power control circuit; and determine, on the basis of the sensing result of the current, whether an are

Abstract: A display device includes a panel support portion including a plurality of support portions rotatably connected to each other, a flexible display panel on a first surface of the panel support portion, and a first protection portion rotatably connected to a side of the panel support portion.

Abstract: An electronic device that can be worn on a limb of a user can include a processing device and one or more position sensing devices operatively connected to the processing device. The processing device can be adapted to determine which limb of the user is wearing the electronic device based on one or more signals received from at least one position sensing device.

Abstract: A base chassis supports a set of storage cages. The base chassis includes a front portion that is removably attachable to a first storage cage. The base chassis also includes an extension portion. The extension portion has a first end that is fixedly attachable to the front portion to extend a length of the base chassis to support an additional storage cage when the first storage cage is detached from the front portion. The extension portion also has a second end that is attachable to the first storage cage to support the first storage cage.

Abstract: An internal component and external interface arrangement for a cylindrical compact computing system is described that includes at least a structural heat sink having triangular shape disposed within a cylindrical volume defined by a cylindrical housing. A computing engine having a generally triangular shape is described having internal components that include a graphics processing unit (GPU) board, a central processing unit (CPU) board, an input/output (I/O) interface board, an interconnect board, and a power supply unit (PSU).

Abstract: An electronic device is provided. The electronic device includes a wireless communication module including a first communication processor and a second communication processor, a sensor module, at least one processor, and at least one memory configured to store instructions, executable by the at least one processor, for identifying an execution status of the application and temperature of at least part of the electronic device, deactivating the second communication processor based on the identified execution status of the application and the identified temperature, and activating the second communication processor based on network traffic being processed by the first communication processor being greater than a predetermined threshold.

Abstract: Systems, methods, apparatuses for fan type identification are disclosed. A predetermined pulse width modulation duty cycle is used to obtain a sequence of fan speeds from a fan over a time period. A fan type of the fan is determined based on the sequence of fan speeds.

Abstract: A method of transferring power and data between a first circuit and a second circuit is described, whereby the second circuit comprises a processing unit having an I/O terminal and an electric energy storage element, the electric energy storage element being configured to be charged by the first circuit via the I/O terminal and configured to power the processing unit, the method comprising: establishing a wired communication link between an I/O terminal of the first circuit and the I/O terminal of the second circuit; operating the I/O terminal of the second circuit as an output terminal and the I/O terminal of the first circuit as an input terminal; transmitting data via the I/O terminal of the second circuit to the I/O terminal of the first circuit by modulating an output level of the I/O terminal of the second circuit between a high level and a low level; determining whether the output level of the I/O terminal of the second circuit corresponds to the high level or the low level and, when the output leve

Abstract: A chip includes a first pin coupled to a signal line and a controller to detect a state of the signal line using the first pin. The controller controls output of first power to the signal line through the first pin based on a first state of the signal line and prevents output of the first power to the signal line through the first pin based on a second state of the signal line. The signal line may be coupled to provide second power from a power source to a data storage device.

Abstract: A storage device includes: a memory device group including a plurality of memory devices; a memory controller for generating power characteristic information on power consumed by the memory device group, based on a physical device characteristic of each of the plurality of memory devices; and a power management device for controlling power supplied to the memory device group, based on the power characteristic information and power mode information. The power mode information refers to power consumption determined according to an operating environment of the memory device group.

Abstract: An electronic apparatus includes: a system processing unit which executes system processing based on a system; a person detection unit which takes a first time to detect a change from a first detection state in which a person is present within a predetermined detection range to a second detection state in which no person is present, and outputs first detection information at timing in the middle of the first time; and an operating state control unit which performs pre-notification processing corresponding to the first detection information based on the first detection information output from the person detection unit, and causes an operating state of the system to make a transition to a first operating state, in which at least part of the system processing is limited, after a second time has elapsed since the start of the pre-notification processing.

Abstract: In one embodiment, a mobile-client system may receive user input from a first user to send a message to a plurality of second users. The user input may include an indication of the first user currently being located at a first geographic location, a time period for which the first geographic location of the first user is visible to the plurality of second users, and one or more content items shared by the first user. The mobile-client system may send the message to one or more second users selected from the plurality of second users. The mobile-client system may receive a notification referencing one or more of the selected second users to whom the message was sent. The notification may include an indication of one or more second geographic locations shared by the one or more of the selected second users.

Abstract: Techniques and apparatus for managing performance states of processing circuitry of a computing device are described. In one embodiment, for example, an apparatus may include at least one memory, at least one processing circuitry, and logic, at least a portion of comprised in hardware coupled to the at least one processing circuitry, to set a first performance state (P-state) of the at least one processing circuitry based on system utilization information, access a performance interface element comprising a plurality of performance metric hints, update the first P-state to a second P-state responsive to one of the plurality of performance metric hints being set by an operating system (OS) of the apparatus, and maintain the first P-state responsive to none of the plurality of performance metric hints being set by the operating system (OS). Other embodiments are described and claimed.

Abstract: Disclosed are systems and methods for efficient power management for storage devices. A method includes receiving a request to transition a flash memory to a first stand-by mode, wherein the flash memory comprises a plurality of dies. The method also includes causing one or more guard dies of the plurality of dies to transition to the first stand-by mode while causing one or more other dies of the plurality of dies to transition to a second stand-by mode, wherein the second stand-by mode is configured to consume less power than the first stand-by mode. The method also includes receiving an input/output (I/O) request for the flash memory. The method also includes causing the I/O request to be performed on the one or more guard dies that are in the first stand-by mode but not in the second stand-by mode.

Abstract: Systems and methods for resonance aware performance management of processing devices. In one aspect, a method includes iteratively testing a performance operation for the processing device, wherein each iteration is performed at an iteration voltage level for a power delivery network. The performance operation is applied at different application periods and at the iteration voltage level for the iteration. If not failure condition is met, the iteration voltage is reduced and another iteration is done. Upon a failure occurring at a particular application period, an operational voltage level for the power delivery network that is based on the iteration voltage level for the iteration in which a failure condition was induced is selected, and application of the performance operation at the particular application period is precluded.

Abstract: Disclosed herein are electronic devices, and methods for their operation, that identify user inputs based on interaction of an object with input surfaces separate from the electronic devices. The electronic devices may include one or more self-mixing interferometry sensors that scan a field of view containing the input surface with a light beam, such as a laser beam emitted laser diode. Self-mixing of the emitted light with reflections can generate a self-mixing interferometry signal. Analysis of the self-mixing interferometry signal can allow for identification of an object, such as a user's finger, in the field of view. Deformation of the finger can be detected with the self-mixing interferometry sensor, and a user input identified therefrom.

Abstract: An electronic apparatus includes: a system processing unit configured to execute system processing based on a system; a playback processing unit configured to execute video playback processing; a person detection unit configured to detect a change from a first detection state in which a person is present to a second detection state in which no person is present; an operation control unit configured to cause an operating state of the system to make a transition to a first operating state in which at least part of the system processing is limited, and to activate the operating state of the system when a predetermined condition is satisfied; and a playback control unit configured to start playback of a video with reference to a playback position at the first timing of the first period.

Abstract: The invention relates to an apparatus (1) for at least one user (2) for experiencing a virtual reality simulation in an underwater world, comprising: at least one water resource (10) with at least one flow generator (20), at least one data processing system, and at least one VR display device (40), wherein the data processing system generates a virtual reality simulation, wherein the at least one flow generator (20) is controlled by the data processing system as a function of the virtual reality simulation, and wherein the virtual reality simulation is reproduced on the VR display device (40).

Abstract: An electronic device may have a housing configured to be worn on a user's body or held in a user's hand. The electronic device may have control circuitry that wirelessly controls external equipment such as equipment with a display. By gathering motion information and other user input and wirelessly transmitting this information to the external equipment, the electronic device may serve as a wireless controller that controls content on the display. The electronic device may have multiple structures that move relative to each other such as first and second housing portions. The second housing portion may move to an extended position where the gathering of sensor information on changes in user finger position as the user interacts with real-world objects is enhanced.

Abstract: The present disclosure describes techniques related to configuring display devices. For example, a method includes receiving sensor data corresponding to at least a portion of a face. The method further includes identifying, using the sensor data, a feature of the face. The method further includes identifying, based on the feature, a configuration parameter associated with the display device. The method further includes outputting the configuration parameter for changing a fit of the display device to the face.

Abstract: According to an aspect, a display system includes: a display device attached to VR goggles; and an information processing device configured to output an image to the display device. The display device includes a sensor configured to supply a detection signal indicating a motion of the display device, and a display part. The information processing device includes an information processor configured to receive information detected by the sensor of the display device and generate an image signal based on the received information. The display part of the display device displays an image based on the image signal generated by the information processor.

Abstract: A method of operating a configurable gaze tracking system includes initializing a plurality of sensors by determining positional information of the sensors, wherein the sensors establish a virtual framework, initializing a plurality of target objects by determining positional information of the target objects within the virtual framework, determining a current user using data output by the sensors, determining a gaze of the current user, matching the gaze to one of the target objects in the virtual framework, wherein a target object matched to the gaze is a current target object, and activating the current target object to receive input.

Abstract: An input system and an electronic apparatus with novel structures are provided. An electronic apparatus whose setting can be changed even when both hands are full is provided. An input system and an electronic apparatus including an imaging device having a function of taking an image of eyes and a detection device having a function of detecting a change of the shape of the eyes from data obtained by the imaging device are provided. Settings are changed in accordance with the change of the shape of the eyes. The settings are changed by a different method from a manual method and the change of the settings can be reflected in display.

Abstract: In one implementation, a method includes: synthesizing an AR/VR content stream by embedding a plurality of glints provided for eye tracking into one or more content frames of the AR/VR content stream; displaying, via the one or more AR/VR displays, the AR/VR content stream to a user of the HMD; obtaining, via the image sensor, light intensity data corresponding to the one or more content frames of the AR/VR content stream that include the plurality of glints, wherein the light intensity data includes a projection of an eye of the user of the HMD having projected thereon the plurality of glints; and determining an orientation of the eye of the user of the HMD based on the light intensity data.

Abstract: One example provides a system for selectively restricting motion of an articulable joint, the system comprising a base having a first portion configured to be positioned at a first side of the articulable joint and a second portion configured to be positioned at a second side of the articulable joint, a clutch mechanism comprising a flexible portion having a first end coupled to the first portion of the base and a second end coupled to the second portion of the base, and a guide coupled to the base, the guide comprising a support surface that supports the flexible portion between the first end and the second end as the flexible portion moves during articulation of the articulable joint, the support surface of the guide comprising an angular transition in a dimension transverse to a travel direction of the flexible portion as a function of distance along the travel direction.

Abstract: The present invention relates to information technologies and is designed as a glove for simulating tactile exteroceptive sensations occurring as a result of stimulation of receptors located on the inner and outer sides of a palm and on fingers. The device is manufactured, for example, from a textile material having stimulators arranged thereon, which directly influence receptors through a skin surface and simulate tactile sensations.

Abstract: A convenient device control apparatus for a vehicle and a method thereof are provided. The convenient device control apparatus includes a light source that emits light at a specified frequency and an electroencephalogram (EEG) sensor that measures an EEG signal of a user. An EEG analyzer analyzes a frequency of the EEG signal measured by the EEG sensor and a controller operates a convenient device in the vehicle based on the frequency of the EEG signal analyzed by the EEG analyzer.

Abstract: A method and system for providing a user with virtual objects within an environment, characterizing interactions with the virtual objects using a brain computer interface, and modulating features of the virtual objects based upon improved classifiers associated with the interactions. The method and system can be used to rapidly customize virtual objects to a specific user in applications related to increasing engagement with traditional and new media content, virtual and augmented reality products, streamlining interactions with input devices in digital and physical environments, providing user authentication tools, providing more secure cybersecurity features, and delivering tailored content to users.

Abstract: A device for motion sickness reduction, directional indication, and neural rehabilitation that provides three modes of operation. The device operates by providing haptic feedback using transducers that convert electrical signals to a tactile sensation such as pressure, vibration, electrical stimulation, temperature, or airflow. The transducers are located at different locations on the body of a user, and actively change their operation to indicate a direction of motion or rotation to the user through haptic (tactile) feedback. This tactile feedback can be used to reduce motion sickness, provide directional indication, and enhance neural rehabilitation.

Abstract: Aspects of the technology employ synchronized arrays of low-cost, readily available vibration actuators to emulate and outperform single actuator systems, bringing together sets of actuators to create desired control effects. This approach involves coherent phase switching and modulation of a linear actuator array. A pair of linear resonant actuators (LRAs) may be employed for improved haptic waveform synthesis performance. According to one feature, energy may stored in the mechanical inertia of the LRA via velocity and stiffness of the LRA via displacement and released through modulation of the relative phase of the LRAs. Phase switching and modulation techniques may be used to control more than two LRAs, and in other arrangements than a dual LRA, including, but not limited to architectures that have LRAs arranged in multiple directions in a array spanning, for example, the two dimensions of a plane, or three dimensions of physical space.

Abstract: The invention relates to a haptic feedback device comprising: a body (10) able to form an interface with a user; contacting means (20) able to establish a contact with a surface (2) of a system (3) able to contain information; a first actuator (30) linked to the contacting means and able to apply a translational movement to said contacting means with respect to said body; braking means (40) able to apply a mechanical resistance to the relative movement between the contacting means (20) and the body (10); a second actuator (50) able to make the mechanical resistance applied by the braking means (40) vary.

Abstract: A touchscreen includes conductive islands that are capacitively coupled to conductive traces, where they may be used to provide capacitive sensing of the position of one or more fingers in contact with a touchscreen and/or to exert haptic forces on one or more fingers in contact with a touchscreen.