Pickup head with touch down sensor
Granted: January 4, 2022
Patent Number:
11219151
To manufacture a device by picking and placing semiconductor devices from a carrier substrate to a target substrate using touch down sensors, a pick-up head including touch down sensors and the semiconductor devices on the carrier substrate are moved relative to each other to contact the carrier substrate with the touch down sensors. Signals from each touch down sensor indicating a degree of deformation of each touch down sensor caused by the contact with the carrier substrate are used…
Determination of an acoustic filter for incorporating local effects of room modes
Granted: January 4, 2022
Patent Number:
11218831
Determination of an acoustic filter for incorporating local effects of room modes within a target area is presented herein. A model of the target area is determined based in part on a three-dimensional virtual representation of the target area. In some embodiments, the model is selected from a group of candidate models. Room modes of the target area are determined based on a shape and/or dimensions of the model. The room mode parameters are determined based on at least one of the room…
Systems and methods for improved speech recognition using neuromuscular information
Granted: January 4, 2022
Patent Number:
11216069
Systems and methods for using neuromuscular information to improve speech recognition. The system includes a plurality of neuromuscular sensors arranged on one or more wearable devices and configured to continuously record a plurality of neuromuscular signals from a user, at least one storage device configured to store one or more trained statistical models for determining text based on audio input and the plurality of neuromuscular signals, at least one input interface configured to…
Systems and methods for facial representation
Granted: December 28, 2021
Patent Number:
11210503
Systems, methods, and non-transitory computer readable media can align face images, classify face images, and verify face images by employing a deep neural network (DNN). A 3D-aligned face image can be generated from a 2D face image. An identity of the 2D face image can be classified based on provision of the 3D-aligned face image to the DNN. The identity of the 2D face image can comprise a feature vector.
Media device including display and power-delivery mechanism with integrated stand
Granted: December 28, 2021
Patent Number:
11212930
A media device may include (i) a display device having a front side including a display surface, (ii) a support housing for supporting the display device in each of a plurality of alternative orientations on an external surface, the support housing extending from a back side of the display device between a mounting surface of the support housing abutting the back side of the display device and a distal end of the support housing, (iii) a coupling member disposed at the mounting surface…
Headset sound leakage mitigation
Granted: December 28, 2021
Patent Number:
11212606
An audio system for a headset includes a plurality of speakers and an audio controller. The plurality of speakers may be in a dipole configuration that cancel sound leakage into a local area of the headset. The controller filters audio content presented by the plurality of speakers to further mitigate leakage of audio content into the local area. The audio determines sound filters based on environmental conditions, such as ambient noise levels, as well as based on the audio content being…
Communication network out-of-capacity predictions
Granted: December 28, 2021
Patent Number:
11212188
In one embodiment, a computing system may access data samples associated with an access point of a communication network. The data samples may be collected at an application level from client devices associated with the access point and aggregated into data points correlating a first network metric to a traffic-volume metric. The system may partition the data points into a first and second set of data points using a first network metric threshold. The system may determine trends of the…
Measuring the impact of network deployments
Granted: December 28, 2021
Patent Number:
11212186
In one embodiment, a computing system may determine network metrics for geographic regions connected by a communication network. The geographic regions may include a geographic region of interest impacted by a network deployment. The system may identify candidate control regions by clustering geographic regions of into a first group based on metric feature of network metric shared by the geographic regions. The system may select control regions by identifying a second group of geographic…
Display rendering
Granted: December 28, 2021
Patent Number:
11211034
In one embodiment, a computing system may access a first image that is generated at a first frame rate. The system may determine whether a change of a user viewpoint with respect to one or more display contents satisfies a threshold criterion. The system may select an operation mode from a first operation mode and a second operation mode based on the determination whether the change of the user viewpoint satisfies the threshold criterion. The system may generate a number of second images…
Storing anonymized identifiers instead of personally identifiable information
Granted: December 28, 2021
Patent Number:
11210510
The present disclosure describes methods and systems for handling personally identifiable information. In some implementations, the information is collected during the authentication of identification (ID) documents. The system includes a one-way hashing function that converts unique personal identifiable information into a unique digest. The system can store the digest without having to store the personal identifiable information. Because the hashing function generates the same digest…
Display screen with a graphical user interface for games in messaging applications
Granted: December 28, 2021
Patent Number:
D939547
Transient contextual music streaming
Granted: December 28, 2021
Patent Number:
11210339
Systems and methods for creating and providing transient contextual queues of music through a music service may include (1) providing a user of a device with a music service, (2) detecting a current context of the user, the current context including a characteristic of the user's environment, (3) creating a transient contextual queue of music including music compositions that are tailored to the current context, and (4) playing, via the device one or more music compositions from the…
Optical system with polarization volume hologram
Granted: December 28, 2021
Patent Number:
11209775
An optical system includes a substrate and a polarization volume hologram (PVH) composite film formed over the substrate. The PVH composite film includes a first PVH layer formed over the substrate and having a helix twist of a first handedness, and a second PVH layer coupled to the first PVH layer and having a helix twist of a second handedness orthogonal to the first handedness. The first PVH layer is configured to reflect and converge circularly polarized light having the first…
Local dimming in a device
Granted: December 28, 2021
Patent Number:
11209676
An optical assembly is configured to receive visible scene light at a backside of the optical assembly and to direct the visible scene light on an optical path toward the eyeward side. The optical assembly also includes a dimming layer disposed on the optical path, where the dimming layer includes a photochromic material that is configured to darken in response to exposure to a range of light wavelengths. An activation layer, included in the optical assembly, is also disposed on the…
Augmented reality head-mounted display with beam shifter for pupil steering
Granted: December 28, 2021
Patent Number:
11209659
A method for providing images to a wearer using a head-mounted display device that includes a light projector and a beam shifter includes projecting, with the light projector, light for rendering images based at least on virtual reality contents and/or augmented reality contents. The method also includes changing, with a beam shifter, a path of the light projected from the light projector based on a position of a pupil of an eye of the wearer.
Methods of driving light sources in a near-eye display
Granted: December 28, 2021
Patent Number:
11209656
A method including determining a maximum luminance location of a display based on a field of view of an eye of a user of the display, and driving a plurality of light sources in the display based on locations of the plurality of light sources with respect to the maximum luminance location of the display. The plurality of light sources is controlled to have different luminance levels in different display zones corresponding to different zones on the retina of the eye of the user. In some…
Waveguide based display with multiple coupling elements for artificial reality
Granted: December 28, 2021
Patent Number:
11209650
By tiling multiple waveguide displays in an artificial-reality system, and/or using multiple projectors per waveguide display, a large field of view for the artificial-reality system can be achieved using waveguide displays. By using waveguide displays, a form factor for a virtual-reality system can be reduced compared to conventional virtual-reality systems.
Optical lens assemblies, head-mounted displays, and related methods
Granted: December 28, 2021
Patent Number:
11209649
The disclosed optical lens assemblies may include a deformable optical element including a substantially transparent transducer configured to deform, and thus change at least one optical property of, the deformable optical element. At least a portion of the substantially transparent transducer may be positioned within a substantially transparent optical aperture of the optical lens assembly. Various head-mounted displays incorporating such an optical lens assembly, and methods of…
Pupil steering for a pupil expander
Granted: December 28, 2021
Patent Number:
11209644
A pupil expander spatially modulates decoupling efficiency of light for pupil steering. The pupil expander can be used in a waveguide display, such as part of an artificial-reality display, to reduce power consumption of an optical source.
Method of manufacture for thin, multi-bend optics by vacuum molding
Granted: December 28, 2021
Patent Number:
11207807
A method includes placing an optical substrate onto a vacuum mold having a bent contact surface characterized by a surface roughness. The method further includes bending, by an applied bending force, the optical substrate and the protective sheet to cause the protective sheet to come into contact with the bent contact surface of the vacuum mold, generating a vacuum-induced holding force to hold the protective sheet against the bent contact surface of the vacuum mold. After a holding time…
