Abstract: A database system includes a plurality of computing devices. Each computing device includes a plurality of processing modules, a computing device operating system, and an application specific operating system. The computing device operating system includes a computing device operating system file system management instruction set. The application specific operating system includes at least one custom file system management instruction set operable to configure operation of a configurable set of processing modules of the plurality of processing modules based on generating a corresponding file system management configuration signal for each processing module of the configurable set of processing modules indicating a selected file system management instruction set of the computing device operating system or the application specific operating system.

Abstract: Disclosed are systems and methods for detecting weather conditions at a LiDAR sensor level. In some aspects, a method includes calculating a reference probability mass function (PMF) of at least one field of a point cloud generated from reference scene responses received from a light detection and ranging (LiDAR) sensor; calculating a current PMF for the at least one field of the point cloud generated from a current scene response received from the LiDAR sensor; determining a statistical difference between the reference PMF and the current PMF using a Kullbeck-Leibler (KL) divergence calculation; and responsive to the statistical difference satisfying a threshold for the at least one field, flagging an environmental change in the current scene response.

Abstract: A synergistic fluid solution for breaking gelled fracturing fluid comprises an oxidizer, a transition metal, and an alkali compound at a total composition of between 100 and 150,000 ppm, wherein the gelled fracturing fluid is capable of significantly reducing viscosity of a gelled fracturing fluid within a time period between 30 minutes and 240 minutes after introduction at a temperature between 100° F. and 300° F.

Abstract: A system and method includes determining uncertainty estimation in an object detection deep neural network (DNN) by retrieving a calibration dataset from a validation dataset that includes scores associated with all classes in an image, including a background (BG) class, determining background ground truth boxes in the calibration dataset by comparing ground truth boxes with detection boxes generated by the object detection DNN using an intersection over union (IoU) threshold, correcting for class imbalance between ground truth boxes and background ground truth boxes in a ground truth class by updating the ground truth class to include a number of background ground truth boxes based on a number of ground truth boxes in the ground truth class, estimating uncertainty of the object detection DNN based on the class imbalance correction, and updating output data sets of the object detection DNN based on the class imbalance correction.

Abstract: A rack system for a cargo space of a commercial vehicle having a rack with at least one shelf and at least one adjusting device for adjusting the shelf about a pivot axis extending in the width direction of the rack between a loading and unloading setting and a transport setting, In order to provide a rack system that can be used more efficiently and more ergonomically, the adjusting device is designed in such a way that a tilt angle of the shelf in the transport setting is greater than in the loading and unloading setting, and a load surface of the shelf in the transport setting faces away from an access side of the rack.

Abstract: A system and method and fastening tool that utilizes ultrasonic or acoustic energy and a horn that focuses the energy into the fastener at a predetermined location in order to facilitate tightening or loosening the fastener.

Abstract: A communication augmentation system includes a camera, a transceiver and a computer. The camera is operation to record an image of users. The transceiver is operational to receive inbound messages from wireless devices. The inbound messages include an input content. The computer is operational to store registrations of the users, determine user locations where the users are located in response to facial profiles relative to the image, determine device locations where the wireless devices are located based on the inbound messages, associate the wireless devices with the users based on the user locations and the device locations, determine destinations of the inbound messages based on a comparison of input content to the identifiers, and transfer the input content and the destinations to the transceiver. The transceiver is further operational to transmit the input content in a plurality of outbound messages to the wireless devices based on the destinations.

Abstract: A product for adsorbing one or more heavy metals from a liquid is disclosed. The product may comprise attapulgite that has been surface functionalized with a surface coating agent that includes one or more mercury affinity functional groups that chemically bond to the attapulgite surface, wherein the weight percentage of components of the product includes: 91-99 wt. % attapulgite and 1-9 wt. % surface coating agent that includes the one or more mercury affinity functional groups. The product has a surface area in the range of 115-145 m2/g as measured using the BET method. The heavy metal includes mercury and/or lead. Also disclosed is a method of producing the product and a method of adsorbing at least one heavy metal in a liquid using the product.

Abstract: A micro puree machine has a drive motor positioned within a lower portion of a housing extending along a vertical axis. A mixing shaft positioned within an upper portion of the housing extends at a non-parallel angle relative to the vertical axis. The bowl of ingredients is installed to an angled surface of the upper portion of the housing along the mixing shaft axis, allowing for easier viewing of the bowl installation.

Abstract: Examples are disclosed that relate to calibration of a stereoscopic display system of an HMD via an optical calibration system comprising a waveguide combiner. One example provides an HMD device comprising a first image projector and a second image projector configured to project a stereoscopic image pair, and an optical calibration system. The optical calibration system comprises a first optical path indicative of an alignment of the first image projector, a second optical path indicative of an alignment of the second image projector, a waveguide combiner in which the first and second optical paths combine into a shared optical path, and one or more boresight sensors configured to detect calibration image light traveling along one or more of the first optical or the second optical path.

Abstract: A system comprising a plurality of transponders, each having a user interface to receive commands from a plurality of users and to operate a virtual assistant utilizing artificial intelligence. A micro-computer in an automobile that implements the virtual assistant, wherein the micro-computer configured to identify a particular user from the plurality of users based on a spoken command received via the plurality of transponders. Further, have conversations, including regarding the automobile, between the particular user and respond to future commands or questions from particular user based on prior commands or questions received from the particular user that are stored in a memory of the micro-computer.

Abstract: Provided herein is an apparatus. The apparatus can include a battery cell. The battery cell can include a vent. The vent can be coupled with the battery cell. The apparatus can include a channel coupled with the vent. The apparatus can include a porous component. The porous component can be disposed in the channel. The porous component can include one or more pores each having a width less than a width of the channel.

Abstract: A container and lid having a squeeze tab and lid portions for squeezing a fruit to cause the juice to flow into an opening on the lid of the container. The lid includes a rivet at a midpoint of the lid, connecting the squeeze tab to the lid. The squeeze tab includes a tab depression on a first end of the squeeze tab proximate to a locator depression on the lid. The locator depression provides an area to place fruit to be squeezed, for example a lime wedge. A raised wall formed on the lid on one side of the locator depression assists with placement of the fruit wedge within the locator depression. The lid may form a sloped surface wherein the slope extends from a high point of a rime to a low point of the rim proximate to an opening into which juice may flow.

Abstract: Technologies are generally described for end-suction pumps that are adapted for a dual inlet impeller. Example end suction pumps includes a body casing with a pump housing, a single inlet, a single outlet, and a magnetically coupled drive to effectuate drive to the impeller in the body casing. Fluid flows to one side of the impeller (e.g., a right-eye side) via a primary flow path from an impeller inlet of the body casing, and also to another side of the impeller (e.g., a left-side eye) via a secondary flow path through a stationary shaft with a semi-hollow hydraulic passageway therein.

Abstract: A bowl assembly for a micro puree machine includes a beaker removeably attachable to a beaker coupling located inside a bowl. The beaker coupling operatively couples to a drive motor assembly for rotation of the beaker coupling and the beaker relative to the bowl. The bowl in turn locks onto a bayonet structure on a base of the micro puree machine, which secures the bowl in position on the base while the beaker coupling and the beaker rotate.

Abstract: A method includes performing a search of an inverted index structure indexing values of a column to generate an in-range indexed value set by identifying all indexed values of the inverted index structure falling within a range corresponding to a range-based filter. A set of characteristics of the in-range indexed value set are identified based on performing the search of an inverted index structure. When the set of characteristics compare favorably to the set of index-usage requirements, output is generated based on performing a plurality of searches to the inverted index structure based on the in-range indexed value set. When the set of characteristics compare unfavorably to the set of index-usage requirements, the output is generated without performing any searches to the inverted index structure.

Abstract: Hemodynamic monitoring system is presented. In one embodiment, a system for non-invasive monitoring of a subject's heart includes an RF transmitting antenna. The RF transmitting antenna is configured for transmitting at least one transmitted RF signal toward the subject. The system also includes an RF receiving antenna. The RF receiving antenna is configured for receiving at least one received RF signal transmitted by the RF transmitting antenna and modified by a subject's body. The RF transmitting antenna and the RF receiving antenna are located on opposing sides of a planar projection of the subject's heart. The system also includes a processing circuit configured for: controlling transmitting and receiving of the RF signal, and determining, based on the at least one received RF signal, at least one physiological parameter of the subject.

Abstract: A method for monitoring audio quality of a conferencing session between a plurality of participant devices is described. An audio receive channel and an audio send channel are established for a participant device. The participant device receives audio signals for the conferencing session on the audio receive channel and transmits audio signals on the audio send channel. A first audio signal is inserted into the audio receive channel for playback by the participant device. The first audio signal has an audio watermark. A second audio signal is received through the audio send channel, the second audio signal corresponding to a playback period of the first audio signal by the participant device. It is determined whether the audio watermark is present in the second audio signal. An audio status is provided for the participant device based on whether the audio watermark is present in the second audio signal.

Abstract: Embodiments disclosed are directed to a system that performs steps to perform enhanced device fingerprinting. The system at least at receives from an application, a plurality of device attributes identifying a client device on which the application is being used. The plurality of device attributes includes a push token provided by a push token service to the client device. The push token is uniquely paired to the client device. The system further transmits, to a device database, the plurality of device attributes for storage in a device profile. The system also transmits, to the application, a push notification based on the push token. The system receives, from the application, a deliverable status indicating whether the push notification was successfully transmitted to the client device, and transmits, to a notification database, the deliverable status for storage in a notification delivery profile. The system can use the information to authenticate a device.

Abstract: This disclosure describes systems, methods, and devices related to processing Bank Administration Institute (BAI) files. A method may include identifying, by at least one processor of an integration server, copies of BAI files indicative of payment information; importing, by the at least one processor, data from the BAI files into a staging table; parsing, by the at least one processor, the data in the staging table using a hierarchy defining a file level, a group level, an account level, and a transaction level to generate hierarchized data; normalizing, by the at least one processor, the hierarchized data into tables; and copying, by the at least one processor, differences between the hierarchized data and previous hierarchized data to a workflow associated with identifying payment amounts in the hierarchized data.