System for providing context-sensitive display overlays to a mobile device via a network
Granted: December 14, 2021
Patent Number:
11200602
A system for providing context sensitive display overlays to a mobile device via a network comprising an overlay datastore, a processor, coupled to the datastore and programmed to receive a request from a mobile device via the network for a list of overlays, determine user context information, search the datastore for overlays matching the user context and provide the list of overlays to the mobile device via the network.
Smart audio with user input
Granted: December 14, 2021
Patent Number:
11202148
A communication system establishes a communication session with a communication device via a network and captures, via one or more cameras, a local area within a field of view of the one or more cameras. The local area includes one or more audio sources. The communication system receives, from the communication device, a selection of a respective audio source from the one or more audio source in the local area. The selection indicates that audio originating from the respective audio…
Speaker assembly for mitigation of leakage
Granted: December 14, 2021
Patent Number:
11202145
A speaker assembly presents audio content to an ear canal of a user. A speaker of the speaker assembly generates positive and negative acoustic pressure waves. A first vent assembly of the speaker assembly ports the positive acoustic pressure waves to an entrance of the ear canal of the user, whereas a second vent assembly ports the negative acoustic pressure waves to an area behind a pinna of the user. The first and second vent assembly are configured to provide improved audio content…
Miniature high performance MEMS piezoelectric transducer for in-ear applications
Granted: December 14, 2021
Patent Number:
11202138
An in-ear device comprises a transducer section, a front volume section, and a rear volume section. The transducer section includes a frame and piezoelectric actuators coupled to the frame. The piezoelectric actuators are configured to generate an acoustic pressure wave. The transducer section includes a first side and a second side, the second side being opposite the first side. The front volume section is coupled to the first side to form a front cavity, the front volume section…
Method for encoding/decoding a quantization coefficient, and apparatus using same
Granted: December 14, 2021
Patent Number:
11202091
The present invention relates to a method for encoding/decoding a quantization coefficient, and to an apparatus using same. The decoding method can include the steps of: decoding initial quantization parameter information and quantization parameter range information of a slice; and obtaining a quantization parameter limitation range applied to an encoding unit included in the slice using the initial quantization parameter information and the quantization parameter range information.…
Self-testing display device
Granted: December 14, 2021
Patent Number:
11202043
A self-calibrating display can detect and compensate for binocular disparity or other visual imperfection of the display. The display includes a pair of projection units for projecting test light carrying test images through waveguides, which are normally used to carry images to left and right eyes of a user. A detection unit detects the test light propagated through the waveguides, and extracts the test images. Position of reference features in the detected test images may be used to…
Dynamically modifying live video streams for participant devices in digital video rooms
Granted: December 14, 2021
Patent Number:
11202035
This disclosure describes a video room system that can efficiently and flexibly generate and facilitate video rooms for video chatting between participant devices by prioritizing video streams to provide to participant devices based on performance parameters. For example, the video room system can provide different video room streams to different participant devices based on the performance parameters of the participant devices. In addition, the video room system can customize or tailor…
Systems and methods for digital media delivery prioritization
Granted: December 14, 2021
Patent Number:
11201946
Systems, methods, and non-transitory computer-readable media can establish a plurality of connections to a server, wherein each connection is associated with a respective content item of a plurality of content items. A plurality of data requests are transmitted to the server using the plurality of connections, wherein each data request is associated with one content item of the plurality of content items. Processing of data received on a first connection of the plurality of connections…
Display panel with inactive region used in a head mounted display
Granted: December 14, 2021
Patent Number:
11200856
An electronic display includes a display panel that operates in a single display mode to provide a single display, or a dual display mode to provide two displays separated by an inactive region. The electronic display includes the display panel and a panel driver. The display panel includes a left pixel region, a right pixel region, and a middle pixel region between the left and right pixel regions. In the single display mode of the electronic display, the panel driver provides first…
Systems, methods, and media for automatically triggering real-time visualization of physical environment in artificial reality
Granted: December 14, 2021
Patent Number:
11200745
In particular embodiments, a computing system may display a virtual-reality scene on a device worn by a user. The system may capture an image of a physical environment surrounding the user and detect an object of interest in the image. The system may determine, based on the detected object, that one or more alert criteria are satisfied. The system may generate depth measurements of at least the object. The system may generate, based on the depth measurements, a model representing the…
Optimization of feature embeddings for deep learning models
Granted: December 14, 2021
Patent Number:
11200284
A system trains models to generate embeddings that represent likelihoods associated with features. For example, an embedding may be generated for users and pages such that a user's embedding represents how likely a user is to comment on a given page. Initially, memory space for storing each embedding may be overprovisioned. The system monitors the embeddings for a feature as they are generated and recalculated over time. If the system detects that a particular index value is never…
Dynamically ranking media effects based on user and device characteristics
Granted: December 14, 2021
Patent Number:
11200271
The present disclosure is directed toward systems and methods for ranking media effects. For example, systems and methods described herein enable a user to select and apply one or more media effects to a media communication such as a digital photograph or video. Systems and methods described herein identify and rank media effects based on characteristics associated with the user and the user's client-computing device. Furthermore, systems and methods described herein automatically…
Systems, methods, and articles for haptic-jamming
Granted: December 14, 2021
Patent Number:
11199905
A haptic-jamming device may include (1) a first haptic-jamming member having a polarizable first element rotatable about an axis and a first elongated extension outwardly disposed from the first element in a first direction, (2) a second haptic-jamming member having a second element rotatable about the axis and a second elongated extension outwardly disposed from the second element in a second direction, and (3) a variable voltage source for at least one of the first haptic-jamming…
Thermal mass aware thermal management
Granted: December 14, 2021
Patent Number:
11199885
The disclosed computing device may include electronic components, at least one of which is a processor. The computing device may also include a heat sink thermally coupled to the electronic components, as well as a temperature sensor that determines the current temperature inside the computing device. The computing device may further include a controller. The processor may generate a load schedule for the electronic components based on the current temperature inside the computing device.…
Polarization volume hologram lens
Granted: December 14, 2021
Patent Number:
11199721
A lens includes a substrate with optically anisotropic molecules arranged in helical configurations between first and second surfaces. A first portion of the substrate includes a first helical structure having a first phase and a second helical structure adjacent to the first helical structure having a second phase. A difference between the first and second phases corresponds to a first phase difference. A second portion includes a third helical structure having a third phase and a…
Low-obliquity beam scanner with reflective polarizer
Granted: December 14, 2021
Patent Number:
11199710
A beam scanner of a projector-based near-eye display includes a prismatic element with a reflective polarizer and a quarter-wave waveplate (QWP). The beam-folding prismatic element receives a polarized light beam from a light source and couples the beam to a tiltable reflector, e.g. a 2D tiltable MEMS reflector, for angular scanning the beam. The light beam impinging onto the tiltable reflector is separated from the light beam reflected from the tiltable reflector by polarization. The…
Scanning projector with multipath beam relay
Granted: December 14, 2021
Patent Number:
11199697
A scanning projector for a display apparatus includes a first scanning reflector configured to steer a light beam in a first plane, a second scanning reflector configured to steer the light beam received from the first scanning reflector in a second plane, and beam relay optics configured to relay a first pupil defined at the first scanning reflector to a second pupil defined at the second scanning reflector, and to relay the second pupil to an output pupil of the scanning projector. The…
Microfluidic valves, systems, and related methods
Granted: December 14, 2021
Patent Number:
11198125
The disclosed microfluidic valves may include a valve body having at least one cavity therein, a gate transmission element separating the cavity into an input gate terminal and an output gate terminal, a gate port configured to convey drive fluid into the input gate terminal, and a fluid channel. The gate transmission element may include a flexible membrane and a plunger coupled to the flexible membrane. The gate transmission element may be configured to move within the cavity to inhibit…
Systems, devices, and methods for tiled multi-monochromatic displays
Granted: December 7, 2021
Patent Number:
11194163
The disclosed projector device may include (1) a first monochromatic emitter array having a plurality of emitters of a first color disposed in a two-dimensional configuration and (2) a second monochromatic emitter array having a plurality of emitters of a second color disposed in a two-dimensional configuration. The first and second monochromatic emitter arrays may be configured to emit images of the first and second colors into a waveguide configuration, and the first color may be…
Augmented reality head-mounted display with a Fresnel combiner and pupil steering
Granted: December 7, 2021
Patent Number:
11194166
A head-mounted display device for providing augmented reality contents to a wearer includes a first light projector and a first Fresnel combiner. The first light projector is configured to project light for rendering images based at least on the augmented reality contents. The first Fresnel combiner is configured to combine the light from the first light projector and light from an outside of the head-mounted display device for providing an overlap of the rendered image and a real image…
