G02B2027/0178

Force-Based Peripheral Control Toggle
20230046333 · 2023-02-16 ·

A smartwatch is configured to be usable to control a peripheral device. The smartwatch can be toggled between a typical or usual operating mode for a smartwatch and a mode for controlling the peripheral device. The toggling function is bound to a virtual button. Force applied to the virtual button is measured so that multiple functions, including the toggling function, can be accessed by applying different amounts of force to the button for a predetermined amount of time.

WORLD LOCK SPATIAL AUDIO PROCESSING
20230046341 · 2023-02-16 ·

A method for providing a world-locked experience to a user of a headset in an immersive reality application includes receiving, from an immersive reality application, a first audio waveform from a first acoustic source to provide to a user of a headset, determining a direction of arrival for the first acoustic source relative to the headset, and providing, to a speaker in the headset, an audio signal including the first audio waveform and intended for an ear of the user of the headset, wherein the audio signal includes a time delay and an amplitude for the first audio waveform based on the direction of arrival for the first acoustic source relative to the user of the headset. A non-transitory, computer-readable medium storing instructions which, when executed by a processor, cause a system to perform the above method, and the system, are also provided.

WAVEGUIDES WITH INTEGRATED OPTICAL ELEMENTS AND METHODS OF MAKING THE SAME
20230047616 · 2023-02-16 ·

An example waveguide can include a polymer layer having substantially optically transparent material with first and second major surfaces configured such that light containing image information can propagate through the polymer layer being guided therein by reflecting from the first and second major surfaces via total internal reflection. The first surface can include first smaller and second larger surface portions monolithically integrated with the polymer layer and with each other. The first smaller surface portion can include at least a part of an in-coupling optical element configured to couple light incident on the in-coupling optical element into the polymer layer for propagation therethrough by reflection from the second major surface and the second larger surface portion of the first major surface.

Video Processing Systems and Methods
20230047123 · 2023-02-16 ·

Example video processing systems and methods are described. In one implementation, compressed video data is received from a recording device. Additionally, metadata associated with the compressed video data is received such that the metadata includes frame-specific metadata associated with frames in the compressed video data. Further, an application program is received and configured to generate a real-time interactive experience for a user based on the compressed video data and the metadata associated with the compressed video data. A non-fungible token (NFT) is generated that includes the compressed video data, the metadata associated with the compressed video data, and the application program.

DETECTING AND RESPONDING TO LIGHT SOURCE FAILURE

In various examples, a head-mountable display (“HMD”) may include a light source to emit light across a target region of a wearer, a light sensor, and a circuitry operably coupled with the light source and the light sensor. The circuitry may operate the light source to periodically emit light across the light sensor. Based on a determination that a time interval since the circuitry last received a signal from the light sensor satisfies a threshold, the circuitry may trigger a remedial action to cause the light source to cease emission of light across the target region of the wearer.

REFLECTIVE EYEPIECE OPTICAL SYSTEM AND HEAD-MOUNTED NEAR-TO-EYE DISPLAY DEVICE

The present invention relates to a reflective eyepiece optical system and a head-mounted near-to-eye display device. The system includes: a first optical element and a second optical element arranged successively long an incident direction of an optical axis of human eyes and a first lens group located on in optical axis of in miniature image displayer. The first optical element is used for transmitting and reflecting an image light from the miniature image displayer. The second optical element includes one optical reflect on surface. The first optical element reflects the image light refracted b the first tens group to the second optical element, and then transits the image light reflected by the second optical element to the human eyes. The effective focal lengths of the first sub-lens group and the second sub-lens group are a combination of positive and negative.

OPTICAL DISPLAY ASSEMBLY AND INTELLIGENT WEARABLE DEVICE
20230050132 · 2023-02-16 ·

An optical display assembly includes an optical-mechanical module, an optical transmission element, and a light path altering element. The optical-mechanical module is configured to cast light. The optical transmission element is configured to receive the light on a first surface thereof and reflect the light in an interior between the first surface and a second surface thereof. The first surface is at a first angle with respect to a light-emitting surface of the optical-mechanical module. The light path altering element is disposed between the optical transmission element and the optical-mechanical module and configured to receive the light and cast the light onto the first surface. The light exits the first surface. A distance between the third surface and a center of a position at which the light exits the first surface is within a predetermined range.

HEAD-MOUNTED DEVICE
20230048991 · 2023-02-16 ·

A head-mounted device includes a first light field camera, a second light field camera, a first light field display, a second light field display and a supporting structure. Each of the first light field camera and the second light field camera includes, in order from an object side to an image side, a lens group, a collimator and an image sensor. Each of the lens groups includes a plurality of lens units. The lens units are arranged in a two-dimensional lens array, and each of the lens units includes a lens container and a plurality of lens elements. A first engaging structure is disposed between at least two adjacent lens elements of the lens elements.

FRESNEL-REFLECTION-BASED LIGHT PICKOFF ELEMENT FOR LASER-BASED SYSTEMS
20230047415 · 2023-02-16 ·

A laser projection system is provided that includes at least one pickoff element or pickoff interface that redirects a portion of input laser light toward one or more photodetectors for purposes such as laser output power monitoring. An interface of a given pickoff element or a given pickoff interface uses Fresnel reflection to redirect the input laser light. The Fresnel reflection occurs due to a difference in indices of refraction between two materials that meet to form that interface. In some embodiments, a pickoff element is disposed in an optical path between a beam combiner and an optical scanner of the system. The pickoff element can be a plate beamsplitter, a cube beamsplitter, or a prism. In some embodiments, at least one pickoff interface is provided between two or more substrates of the beam combiner, the substrates that form a given pickoff interface having different respective indices of refraction.

OPTICAL DEVICES WITH PHOTOCHROMIC MATERIALS AND ELECTRICALLY DIMMABLE ELEMENTS FOR AUGMENTED REALITY APPLICATIONS

A headset for augmented reality applications is provided. The headset includes at least one eyepiece configured to provide a see-through image to a user via a transparent optical component, and to provide an artificial image through a display, and a dimming shutter configured to adjust a transparency level of the transparent optical component. The dimming shutter further includes an active liquid crystal layer configured to adjust a transparency level according to an electrical power provided between two electrodes, and a photoactive layer configured to adjust the transparency level upon absorption of an ultraviolet radiation for a selected period of time. A default orientation of a host material in the active liquid crystal layer may be in a dark state or in a clear state, when no electrical power is provided. A method and a memory storing instructions to execute the method for use of the above device are also provided.