Integrated waveguide coupler and light source
Granted: December 7, 2021
Patent Number:
11194087
A waveguide coupler may be coupled to a multi-beam light source, such as an array of superluminescent light-emitting diodes. The waveguide coupler includes a substrate having an end facet and a surface, e.g. a top flat surface, adjoining the end facet. At least one tilted reflector is supported by the substrate. A plurality of waveguides supported by the substrate extend between the end facet and the at least one tilted reflector. The at least one tilted reflector is configured to…
Fluidic devices, haptic systems including fluidic devices, and related methods
Granted: December 7, 2021
Patent Number:
11193597
A fluidic device controls fluid flow in channel from a source to a drain. In some embodiments, the fluidic devices comprise a gate, a channel, and an obstruction. The gate comprises at least one chamber whose volume increases with fluid pressure. A high-pressure state of the gate corresponds to a first chamber size and a low-pressure state of the gate corresponds to a second chamber size that is smaller than the first chamber size. The obstruction controls a rate of fluid flow within the…
Two-axis rotatable mechanical eyeball
Granted: December 7, 2021
Patent Number:
11192246
A mechanical eyeball includes an outer housing shaped as an ocular surface configured to rotate about a first rotational axis and a second rotational axis that intersect at a fixed center point. The outer is housing is coupled to a mechanical assembly, and the mechanical assembly is contained within a volume associated with the mechanical eyeball. The mechanical assembly can include a stationary gear train and rotatable components that rotate relative to the gear train. The rotatable…
Display screen or portion thereof with a graphical user interface
Granted: December 7, 2021
Patent Number:
D937863
Controller
Granted: December 7, 2021
Patent Number:
D937833
Selective viewability of data in a blockchain
Granted: November 30, 2021
Patent Number:
11190338
An online system receives impression data from one or more content publishers. The impression data describes impressions provided to users of the online system on behalf of an agent. The online system selects a randomly selected number of impressions in the received impression data. The online system generates an impressions block by encrypting impression data that describes the selected set of impressions using a unique cypher, and adds the impressions block to a blockchain. The online…
Network-based clock for time distribution across a wireless network
Granted: November 30, 2021
Patent Number:
11191053
Apparatuses, methods, and systems for a network-based clock for time distribution across a wireless network, are disclosed. One system includes a network that includes a time distributor, a time receiver, and a plurality of network elements providing one or more network connections between the time distributor and the time receiver. The plurality of network elements includes an ingress network element and an egress network element. The time distributor receives and synchronizes to a…
Audio sample phase alignment in an artificial reality system
Granted: November 30, 2021
Patent Number:
11190892
This disclosure describes techniques that include aligning processing of audio samples collected by multiple audio sensors or microphones. In one example, this disclosure describes a method comprising enabling a first microphone; processing, by an audio processor and using a first processing pipeline, audio data samples collected by the first microphone; enabling a second microphone a period of time after enabling the first microphone; processing, by the audio processor and using a…
Systems and methods for facilitating discovery of users who share common characteristics within a social networking system
Granted: November 30, 2021
Patent Number:
11190600
The disclosed computer-implemented method may include (1) receiving, via a social networking system, a request from a user to participate in a discovery service designed to facilitate connections between users of the social networking system who share common attributes, (2) obtaining, from the user, data representative of at least one desired user attribute, possessed by the user, for new user connections, (3) identifying, within the social networking system, at least one additional user…
Video encoding using starve mode
Granted: November 30, 2021
Patent Number:
11190570
A video encoder may be put in a starve mode during a low latency operation in which the video encoder may be operated in a mode that allows video frames to be encoded without any interdependencies such as motion compensation. At least one encoding parameter of the video encoding is selected such that, for each resulting encoded video frame, the video frame fits in exactly one application layer packet.
Managing game sessions in a social network messaging system
Granted: November 30, 2021
Patent Number:
11185787
This disclosure is directed to enabling access to a game instance through a messenger application. A client-side player component facilitates communication between a game instance on the client device and a backend server of a social networking system. The communication information can be stored in or retrieved from a social graph of the social networking system. The game instance can be initialized from a social platform of the social networking system, and the game can be played…
Nanovoided polymer for tunable acoustic damping
Granted: November 30, 2021
Patent Number:
11189258
An acoustic element includes a nanovoided polymer layer having a first nanovoid topology in an unactuated state and a second nanovoid topology different than the first nanovoid topology in an actuated state. Capacitive actuation of the nanovoided polymer layer, for instance, can be used to reversibly control the size and shape of the nanovoids within the polymer layer and hence tune its sound damping characteristics or sound transduction behavior, e.g., during operation of the acoustic…
Global and local mode virtual object interactions
Granted: November 30, 2021
Patent Number:
11189099
The present technology relates to artificial reality systems. Such systems provide projections a user can create to specify object interactions. For example, when a user wishes to interact with an object outside her immediate reach, she can use a projection to select, move, or otherwise interact with the distant object. The present technology also includes object selection techniques for identifying and disambiguating between objects, allowing a user to select objects both near and…
Determining a sequential order of types of events based on user actions associated with a third party system
Granted: November 30, 2021
Patent Number:
11188846
An online system receives information describing events corresponding to actions associated with a third party system performed by an individual. The received information describes event types and times at which the events occurred. The online system generates nodes of a directed graph associated with the third party system, in which each node corresponds to an event type. For each event, a node count associated with a node corresponding to the event's type is incremented by the online…
Floating point multiply hardware using decomposed component numbers
Granted: November 30, 2021
Patent Number:
11188303
A processor system comprises one or more logic units configured to receive a processor instruction identifying a first floating point number to be multiplied with a second floating point number. The floating point numbers are each decomposed into a group of a plurality of component numbers, wherein a number of bits used to represent each floating point number is greater than a number of bits used to represent any component number in each group of the plurality of component numbers. The…
Systems and methods for prioritizing digital user content within a graphical user interface
Granted: November 30, 2021
Patent Number:
11188215
A computer-implemented method for prioritizing digital user content in a graphical user interface may include (i) for each user account within a group of user accounts maintained by a social networking platform, (1) maintaining a user content pod, comprising a digital container for posts posted to the social networking platform by the user account, and (2) generating a scrollable pod display comprising visual representations of other user content pods being followed by the user account,…
Display system with integrated depth detection
Granted: November 30, 2021
Patent Number:
11188175
A display system comprises a light source assembly, a display assembly, a camera assembly, and a controller. The light source assembly is configured to generate visible light and infrared light. The display assembly is configured to generate image light using the visible light and to generate tracking light using the infrared light. The tracking light and the image light pass through a beam splitter prior to being projected into a local area. The camera assembly is configured to capture…
Artificial reality notification triggers
Granted: November 30, 2021
Patent Number:
11188156
An artificial reality system can display notifications in various configurations including in a minimized version or a maximized version. The artificial reality system can initially display a minimized version of the notification. Upon identifying a first trigger event, such as the user's gaze resting on the minimized version of the notification or a rotation of a user's wrist, the artificial reality system can change the display of the notification from the minimized version to the…
User interaction in head-mounted display with eye tracking
Granted: November 30, 2021
Patent Number:
11188148
A virtual reality (VR) system includes a console an imaging device, a head mounted display (HMD) and a user input device. The console includes a virtual reality (VR) engine, a tracking module and an application store. The HMD includes a display element configured to display content to a user wearing the HMD. The virtual reality engine is configured to determine a vector for a virtual object thrown at a target in response to physical input from the user, a gaze vector for the eyes of the…
Multiple projector field-of-view stitched waveguide display
Granted: November 30, 2021
Patent Number:
11187904
In a waveguide display, a first projector is configured to generate display light for a first field of view (FOV) of a display image. A first input coupler is configured to couple the display light for the first FOV into a visibly transparent substrate. A first set of gratings is configured to couple the display light for the first FOV out of the substrate at a first two-dimensional array of locations of the substrate. A second projector is configured to generate display light for a…
