Abstract: A waveguide apparatus comprises in combination: a light pipe with an optical axis for guiding light therethrough; a light coupling element in optical contact with an elongate portion of the reflecting surface of the light guide; and an optical waveguide in optical contact with the coupling element.

Abstract: An edge server of a distributed edge compute and routing service receives a tunnel connection request from a tunnel client residing on an origin server, that requests a tunnel be established between the edge server and the tunnel client. The request identifies the hostname that is to be tunneled. An IP address is assigned for the tunnel. DNS record(s) are added or changed that associate the hostname with the assigned IP address. Routing rules are installed in the edge servers of the distributed edge compute and routing service to reach the edge server for the tunneled hostname. The edge server receives a request for a resource of the tunneled hostname from another edge server that received the request from a client, where the other edge server is not connected to the origin server. The request is transmitted from the edge server to the origin server over the tunnel.

Abstract: The present invention provides a semi-quantitative phage-based assay for Mycobacterial infection, in which the phage assay plaque count correlates to the number of viable Mycobacterial organisms in the subject sample, and methods of use thereof for diagnosing, treating or monitoring Mycobacterial infection.

Abstract: Embodiments include a microphone assembly comprising an array microphone and a housing configured to support the array microphone and sized and shaped to be mountable in a drop ceiling in place of at least one of a plurality of ceiling tiles included in the drop ceiling. A front face of the housing includes a sound-permeable screen having a size and shape that is substantially similar to the at least one of the plurality of ceiling tiles. Embodiments also include an array microphone system comprising a plurality of microphones arranged, on a substrate, in a number of concentric, nested rings of varying sizes around a central point of the substrate. Each ring comprises a subset of the plurality of microphones positioned at predetermined intervals along a circumference of the ring.

Abstract: A computer-implemented method for providing covered parking to vehicles is provided. The method may include transmitting a location identifier of a covered parking location and a communication address of a covered parking location (CPL) computing device to a vehicle computing device and/or an insurance computing device. The method may further include transmitting a signal to the vehicle computing device indicating a number of available parking spots of the covered parking location when the vehicle computing device contacts the CPL computing device, receiving a request from the vehicle computing device to reserve a parking spot of the covered parking location, determining whether to accept the request, and transmitting a response to the vehicle computing device. Accepting the request causes the CPL computing device to permit a vehicle associated with the vehicle computing device access to the covered parking location.

Abstract: An insurance computing device is provided. The insurance computing device may include a processor and a memory. The processor may be programmed to receive a registration request from a vehicle computing device associated with a vehicle and/or a covered parking location (CPL) computing device associated with a covered parking location, generate a usage profile associated with at least one of the vehicle and the covered parking location, monitor the vehicle computing device and/or the CPL computing device for any requests to reserve an available parking spot of the covered parking location, update the usage profile, determine if an insurance policy associated with the vehicle and/or the covered parking location is eligible for insurance-related benefits based upon the usage profile.

Abstract: An eye tracker comprises a light source; a detector; and first and second waveguides. The first waveguide comprises an input coupler for coupling source light into a waveguide path and a first grating for coupling light out of the waveguide path onto an eye. The second waveguide comprises a second grating for coupling light reflected from the eye into a waveguide path and an output coupler for coupling light out of the waveguide path onto the detector. The second grating is optically configured for imaging the eye onto the detector.

Abstract: Systems and methods for fabricating optical elements in accordance with various embodiments of the invention are illustrated. One embodiment includes a method for fabricating an optical element, the method including providing a first optical substrate, depositing a first layer of a first optical recording material onto the first optical substrate, applying an optical exposure process to the first layer to form a first optical structure, temporarily erasing the first optical structure, depositing a second layer of a second optical recording material, and applying an optical exposure process to the second layer to form a second optical structure, wherein the optical exposure process includes using at least one light beam traversing the first layer.

Abstract: Systems and methods for recording holographic gratings in accordance with various embodiments of the invention are illustrated. One embodiment includes a holographic recording system including a first movable platform configured to support a first plurality of waveguide cells for exposure, at least one master grating, and at least one laser source configured to provide a set of recording beams by directing light towards the at least one master grating, wherein the first movable platform is translatable in predefined steps along at least one of two orthogonal directions, and wherein at each the predefined step at least one waveguide cell is positioned to be illuminated by at least one recording beam within the set of recording beams.

Abstract: Holographic volume gratings in waveguide cells can be recorded using many different methods and systems in accordance with various embodiments of the invention. One embodiment includes a holographic recording system including at least one laser source configured to emit recording beams and a movable platform configured to move between a first position and a second position, wherein when the movable platform is in the first position, the at least one laser source is configured to emit a first set of one or more recording beams toward a first set of one or more stations and when the movable platform is in the second position, the at least one laser source is configured to emit a second set of one or more recording beams toward a second set of one or more stations.

Abstract: An apparatus for displaying an image, including: an input image node configured to provide at least a first and a second image modulated lights; and a holographic waveguide device configured to propagate the at least one of the first and second image modulated lights in at least a first direction. The holographic waveguide device includes: at least a first and second interspersed multiplicities of grating elements disposed in at least one layer, the first and second grating elements having respectively a first and a second prescriptions. The first and second multiplicity of grating elements are configured to deflect respectively the first and second image modulated lights out of the at least one layer into respectively a first and a second multiplicities of output rays forming respectively a first and second FOV tiles.

Abstract: The present invention relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products.

Abstract: Improvements to gratings for use in waveguides and methods of producing them are described herein. Deep surface relief gratings (SRGs) may offer many advantages over conventional SRGs and Bragg gratings, an important one being a higher S-diffraction efficiency. In one embodiment, deep SRGs can be implemented as polymer surface relief gratings or evacuated Bragg gratings (EBGs). EBGs can be formed by first recording a holographic polymer dispersed liquid crystal (HPDLC) grating. Removing the liquid crystal from the cured grating provides a polymer surface relief grating. Polymer surface relief gratings have many applications including for use in waveguide-based displays.

Abstract: A computer-implemented method for providing covered parking to vehicles is provided. The method may include transmitting a location identifier of a covered parking location and a communication address of a covered parking location (CPL) computing device to a vehicle computing device and/or an insurance computing device. The method may further include transmitting a signal to the vehicle computing device indicating a number of available parking spots of the covered parking location when the vehicle computing device contacts the CPL computing device, receiving a request from the vehicle computing device to reserve a parking spot of the covered parking location, determining whether to accept the request, and transmitting a response to the vehicle computing device. Accepting the request causes the CPL computing device to permit a vehicle associated with the vehicle computing device access to the covered parking location.

Abstract: An insurance computing device is provided. The insurance computing device may include a processor and a memory. The processor may be programmed to receive a registration request from a vehicle computing device associated with a vehicle and/or a covered parking location (CPL) computing device associated with a covered parking location, generate a usage profile associated with at least one of the vehicle and the covered parking location, monitor the vehicle computing device and/or the CPL computing device for any requests to reserve an available parking spot of the covered parking location, update the usage profile, determine if an insurance policy associated with the vehicle and/or the covered parking location is eligible for insurance-related benefits based upon the usage profile.

Abstract: One embodiment provides an apparatus for displaying an image comprising: a first optical substrate comprising at least one waveguide layer configured to propagate light in a first direction, wherein the at least one waveguide layer of the first optical substrate comprises at least one grating lamina configured to extract the light from the first substrate along the first direction; and a second optical substrate comprising at least one waveguide layer configured to propagate the light in a second direction, wherein the at least one waveguide layer of the second optical substrate comprises at least one grating lamina configured to extract light from the second substrate along the second direction; wherein the at least one grating lamina of at least one of the first and second optical substrates comprises an SBG in a passive mode.

Abstract: A vehicle weather damage-prevention system is provided. The system may include a vehicle computing device associated with a vehicle, a covered parking location (CPL) computing device associated with a covered parking location, and an insurance computing device. The vehicle computing device may receive weather data and determine whether the vehicle is affected by inclement weather. The vehicle computing device may receive from the CPL computing device information indicating whether the covered parking location has available parking spots. The vehicle computing device may transmit a request to the CPL computing device to reserve a parking spot. The CPL computing device may selectively permit the vehicle access to the covered parking location. The insurance computing device may monitor the vehicle computing device and/or the CPL computing device and determine if an insurance policy is eligible for insurance-related benefits based upon a usage profile of the vehicle or the covered parking location.

Abstract: Systems, methods, and computer readable storage mediums for performing sensor health monitoring are described. The method includes receiving data characterizing measurement data values acquired by a sensor coupled to an industrial asset, identifying an anomalous data sample within the received data, removing the anomalous data sample to generate cleaned training data, training a model using the cleaned training data, generate a predicted asset data using the model, and determining an anomalous data in a new sample of asset data based on a difference between the new sample of the asset data to the predicted asset data.

Abstract: A compute server receives a request that triggers execution of a code piece out of multiple code pieces. A single process at the compute server executes the code piece, which is run in an isolated execution environment. Each other code piece runs in other isolated execution environments respectively and executed by the single process. The code piece, when executed, modifies a response to the request. The response is generated based at least in part on the executed code piece. The generated response is transmitted.