Abstract: In one embodiment, a method includes, by an operating system of a first artificial-reality device, receiving a notification that virtual objects are shared with the first artificial-reality device by a second artificial-reality device, where the virtual objects are shared by being placed inside a sender-side shared space anchored to a physical object. The method further includes the first artificial-reality device accessing descriptors of a physical object and a spatial-relationship definition between the physical object and a receiver-side shared space, detecting physical objects based on the descriptors, determining pose of the receiver-side shared space, detecting physical constraints within the receiver-side shares space, receiving display instructions for the virtual objects, and rendering the virtual objects on the first artificial-reality device in the receiver-side shared space.

Abstract: A direct drive scanning micromirror includes a mirror body defining a mirror surface, and a plurality of curved cantilevers that each extend directly from the mirror body. The shape of the cantilevers and the geometry of the interface between the cantilevers and the mirror body are configured to decrease peak stresses within the micromirror during operation, which may beneficially impact performance and lifetime.

Abstract: A fixed position athermal optical system includes a first lens having a negative refractive power, and a second lens having a positive refractive power, where a temperature coefficient of refractive index for the respective lens materials is configured to mitigate the effect of temperature changes on the operation and performance of the optical system.

Abstract: A device may one or more processors. The one or more processors may be configured to determine a first set of quality of service (QoS) parameters associated with a first traffic identifier (TID) relating to a restricted target wake time (R-TWT) schedule in a wireless local area network (WLAN). The one or more processors may be configured to wirelessly transmit, via a transceiver, a first frame including the first set of QoS parameters.

Abstract: An illumination system for eye tracking is described herein. The illumination system may include a laser light source and an ultra-fast scanning micro-electromechanical system (MEMS) operating at a frequency range from about ten (10) kilohertz (kHz) to about one-hundred (100) kilohertz (kHz) to reflect laser light to the eye and generating a desired fringe pattern controlling intensity and timing. A surface of the MEMS may include diffractive optical element (DOE) to reflect the laser light as a concentrated optical beam. The light may also be projected by grating-based illuminators on a photonic integrated circuit (PIC) controlled through adiabatic couplers projecting multiple binary/grayscale images onto the eye. On the detection side, a 2D single-photon avalanche diode (SPAD) sensor or a SPAD array detector and an active MEMS shutter array may be used. Compressive sensing techniques may be applied on the detection side.

Abstract: Aspects of this technical solution can include receiving, by a wireless communication device, one or more of a plurality of data units corresponding to a first set configured according to a heuristic indicating a quality-of-service (QoS) level corresponding to the first set, determining, by the wireless communication device, a first parameter from one or more of the received plurality of data units, determining, by the wireless communication device, a second parameter from one or more of the received plurality of data units, selecting, by the wireless communication device, a second set including at least a subset of the received plurality of data units satisfying the second parameter, and transmitting, by the wireless communication device and according to the QoS level corresponding to the first set, the second set according to the second parameter.

Abstract: According to examples, a charging interface for a wearable device may include a receiver coil arranged inside the wearable device; a transmitter coil arranged outside the wearable device, where the transmitter coil is to generate a charging voltage for the wearable device via magnetic induction with the receiver coil. The charging interface may include a first pair of magnets having respective polarity axes and positioned at top and bottom portions of the transmitter coil, and a second pair of magnets having respective polarity axes and positioned at top and bottom portions of the receiver coil. The polarity axes to may be aligned with an attachment plane between the transmitter coil and the receiver coil. Furthermore, the polarity axes of the first pair of magnets may be reversed with respect to corresponding second pair of magnets.

Abstract: In one embodiment, a battery monitoring unit for monitoring a battery pack may include a first power MOSFET transistor with at least three pads, and a printed-circuit board with at least three copper layers. The first copper layer may have vias that connect electrical components amounted on the printed-circuit board. The second copper layer may have a first area where copper material is excluded. The first power MOSFET transistor is embedded (1) in the first area of the second copper layer where the copper material is excluded, and (2) between the first copper layer and the third copper layer. The two pads of the power MOSFET may be plated with copper. The first power MOSFET transistor may be connected to the one or more first electrical components through the at least three pads plated with copper.

Abstract: A distributed imaging system for augmented reality devices is disclosed. The system includes a computing module in communication with a plurality of spatially distributed sensing devices. The computing module is configured to process input images from the sensing devices based on performing a local feature matching computation to generate corresponding first output images. The computing module is further configured to process the input images based on performing an optical flow correspondence computation to generate corresponding second output images. The computing module is further configured to computationally combine first and second output images to generate third output images.

Abstract: An optical modulator includes an organic solid crystal thin film having an organic molecule and an electron withdrawing group (EWG) bonded to the organic molecule, a primary electrode disposed over a first region of the organic solid crystal thin film, and a secondary electrode disposed over a second region of the organic solid crystal thin film, wherein an optical property of the organic solid crystal thin film is configured to change in response to a changing voltage between the primary electrode and the secondary electrode.

Abstract: A method is provided. The method includes forming a shrink material layer over a substrate including a photoresist pattern. The method also includes exposing the substrate with the shrink material layer to an activating radiation via a grey-tone mask that provides a predetermined light transmittance profile for the activating radiation. The method also includes removing at least a portion of the shrink material layer.

Abstract: A flexible printed circuit board includes a coil for near-field communication (NFC) and circuit components for performing other functions such as driving a display panel. By integrating the NFC coil into the flexible printed circuit board, the number of components in an electronic device may be reduced. A ferrite sheet is provided below the NFC coil to enhance the performance of NFC signal reception and transmission. A conductive layer is provided below the ferrite sheet to prevent interference with circuits on a printed circuit board below the flexible printed circuit board.

Abstract: Depth and imaging pixels include Single-Photon Avalanche Diode (SPAD) micropixels. A memory stores histogram data and intensity data. Timed memory selection logic is configured to generate the histogram data and the intensity data.

Abstract: Systems and methods for occluding virtual objects in an augmented reality environment are described. A method includes generating a distance map associated with a physical object, determining a location of a virtual object in an artificial-reality environment, determining, based at least in part upon the distance map and the location of the virtual object, a first portion of the physical object that is closer than a first portion of the virtual object from the viewpoint of the user, determining a second portion of the virtual object that is not obscured by the physical object from the viewpoint of the user, and rendering a display image. The display image comprises a first set of pixels corresponding to the first portion of the physical object in a first state, and the display image comprises a second set of pixels corresponding to the second portion of the virtual object in a second state.

Abstract: An optically anisotropic polymer thin film includes a crystallizable polymer and an additive configured to interact with the polymer (e.g., via ?-? interactions) to facilitate chain alignment and, in some examples, create a higher crystalline content within the polymer thin film. The polymer thin film may be characterized by a bimodal molecular weight distribution where the molecular weight of the additive may be less than approximately 50% of the molecular weight of the crystallizable polymer. Example crystallizable polymers include polyethylene naphthalate, polyethylene terephthalate, polybutylene naphthalate, polybutylene terephthalate, as well as derivatives thereof. Example additives, which may occupy up to approximately 10 wt. % of the polymer thin film, include aromatic ester oligomers, aromatic amide oligomers, and polycyclic aromatic hydrocarbons, for example. The optically anisotropic polymer thin film may be characterized by a refractive index greater than approximately 1.

Abstract: Information relating to gaze direction is used, e.g., with other information, to perform tone mapping, brightness adaptation, and/or sparkle generation/management for virtual or augmented reality displays. For example, speed of light adaptation may be increased as a user's gaze moves from a darker scene to a brighter scene and decreased in opposite direction to match human perception dynamics in real world. Sparkles from smaller objects may be adjusted depending on an object size, a brightness of the object's background, and/or the object's location relative to the user's gaze—that is, whether the object in the user's focus or in a periphery. Specularity of the objects may be obtained from a specularity map (e.g., metadata associated with each object) or from image processing a scene. Local sparkles may be shimmered as the user's head rotates deterministically or randomly to provide a sense of real-life glistening.

Abstract: A wireless communication device may include one or more processors. The one or more processors may transmit one or more first request frames to a wireless communication node and a wireless user device. The one or more first request frames may indicate to the wireless communication node to perform a first transmission to the wireless communication device during a first service period (SP). The one or more first request frames may indicate to the wireless user device to perform a second transmission to the wireless communication device during the first SP. The one or more processors may receive, during the first SP, according to the one or more first request frames, the first transmission from the wireless communication node, and the second transmission from the wireless user device.

Abstract: Aspects of the present disclosure are directed to artificial reality (XR) controllers and hand gestures and corresponding representation of the hand gestures in XR space. Users can benefit from being able to use touch interactions while also holding the XR controller. Example implementations allow a user to use controllers for distance interaction and interactions that require controller buttons, but also recognize when the user extends her finger and wants to manually touch things—using touch in conjunction with controllers. Thus, if the user has a controller in her hand and want to touch a UI element, she can also use her finger, where the system identifies the finger not touching the controller (e.g., via capacitance sensors) and that a hand pose is present (e.g., finger extended—from camera) to allow that finger to provide hand input, without the user having to put down the controller.

Abstract: Disclosed herein includes A first wireless multilink device (MLD) including a transceiver configured to send, to a second wireless MLD, a request for multi-link reconfiguration. The transceiver may be configured to receive, from the second wireless MLD, a response to the request for the multi-link reconfiguration. The multi-link reconfiguration may include configuring to implement at least one of: adding a link, removing a link or switching one end of a link, between the first wireless MLD and the second wireless MLD. The first wireless MLD and the second wireless MLD may maintain connection via at least one link during the multi-link reconfiguration.