Abstract: Various embodiments of a vortex hybrid motor are described herein. In some embodiments, the vortex hybrid motor may include a housing with a solid propellant positioned within the housing, and an injector ring positioned at a proximal end of the housing. The injector ring can include a plurality of angled injector units each including a first injector and a second injector angled towards an impingement point. A first fluid stream of a liquid propellant dispensed from the first injector can collide with a second fluid stream of the liquid propellant dispensed from the second injector to atomize the liquid propellant and form a spray fan formation. At least one of the first injector and the second injector can be positioned at an injection angle relative to the sidewall to create a swirl flow of the atomized injector fluid.

Abstract: A modular tire pressure leak detection system includes a tire that supports a vehicle and a sensor unit mounted on the tire. The sensor unit detects real-time tire parameters inside the tire and transmits the parameters to a processor. A plurality of modules are in electronic communication with the processor. The plurality of modules include a pre-processing module that receives the parameters and applies a set of operations to generate pressure time series data, a leak detection module that receives the pressure time series data and determines a leak rate of the tire, and a post-processing module that receives the leak rate of the tire and analyzes the leak rate of the tire with determinations from a plurality of conditions. A leak alert is issued by the post-processing module based upon the analysis of the leak rate of the tire and the determinations from the plurality of conditions.

Abstract: An alignment apparatus for aligning components of an optical assembly include a chuck configured to support the optical assembly thereon, and an adjustable flexure assembly disposed around the chuck. The adjustable flexure assembly includes a plurality of flexures. The plurality of flexures are positioned relative to the chuck such that each of the plurality of flexures contact the optical assembly when the optical assembly is positioned on the chuck.

Abstract: Sense mirror circuitry receives a voltage signal having values corresponding to a magnitude of a measured current. Responsive to the values falling within a first predefined range, the sense mirror circuitry outputs a current at a first predefined magnitude that corresponds to the first predefined range. Responsive to the values falling within a second predefined range, the sense mirror circuitry outputs a current at a second predefined magnitude different than the first predefined magnitude and that corresponds to the second predefined range.

Abstract: The invention is directed to systems, methods and apparatus for securing documents. The system comprises a server having a processor and a data storage device for storing documents, at least one document provider connected to the server, the at least one document provider operable to provide user documents to the server for storage in the data storage device, the user documents containing at least one object of security concern, and at least one document consumer connected to the server, the at least one document consumer operable to receive the user documents containing the at least one object of security concern from the server.

Abstract: Block data load with transpose techniques are described. In one example, an input is received, at a control unit, specifying an instruction to load a block of data to at least one memory module using a transpose operation. Responsive to the receiving the input by the control unit, the block of data is caused to be loaded to the at least one memory module by transposing the block of data to form a transposed block of data and storing the transposed block of data in the at least one memory.

Abstract: A system and method are disclosed for identifying a plurality of past videos posted via a first group of channels, determining, for each channel of a second group, an average number of access requests that a future video to be posted via a respective channel is predicted to receive within a first time interval after posting, determining, for each channel of the second group, a plurality of adjusted average numbers of access requests that the future video to be posted via the respective channel of the second group is predicted to receive within the first time interval, wherein each of the plurality of adjusted average numbers of access requests is determined using an adjustment factor reflecting a number of access requests received by a past video posted via a respective channel of the first group, and determining whether the second group of channels satisfies a predetermined access criterion.

Abstract: Method, apparatuses, and computer program products for automatically tracking a heading of an object. An example method comprising receiving, one or more internal measurement values which pertain to an object; determining an internal heading uncertainty value for each internal measurement value of the one or more internal measurement values; generating, using a probabilistic heading model, an estimated heading data object for the object based at least in part on the one or more internal measurement values; and providing the estimated heading data object to one or more associated user devices.

Abstract: A virtualized blockchain forest includes a plurality of individual blockchains. Each individual blockchain of the plurality includes a blockchain height, a genesis block, and at least one additional block. The virtualized blockchain forest further includes a plurality of participating processors that make up a consensus pool, and a blockchain forest height having a time-sequenced start-to-finish length of blocks among the collective plurality of individual blockchains. The virtualized blockchain forest is configured to aggregate different ones of the plurality of individual blockchains, and is further configured to terminate individual ones of plurality of individual blockchains.

Abstract: An insert for an arthropod trapping device. The insert comprising a substrate and a frame for supporting the substrate, where a surface of the substrate has an adhesive disposed thereon, an optional mounting bracket spaced apart from the adhesive surface of the insert and located at a first end of the insert, and an optional graspable tab extending from the frame at a second end of the insert.

Abstract: The present disclosure generally relates to displaying a user interface for sharing an account associated with a first user identity with a second user identity. The user interface includes a first sharing option and a second sharing option. One or more inputs corresponding to a request to share the account are detected. If the one or more inputs include a selection of the first sharing option, a request to invite the second user identity to become a joint owner of the account is transmitted. If the one or more inputs include a selection of the second sharing option, a request to invite the second user identity to become a participant of the account without becoming a joint owner of the account is transmitted.

Abstract: An articulating tire valve install-removal tool and related methods for use. The articulating tire valve install-removal tool has a body comprising an outer perimeter, an inner recess, a threaded member, a linkage, and a contact member. The articulating tire valve install-removal tool components are connected to each other and secured within the body so one or more components can rotate around one or more axes. Together these components facilitate in the valve being installed and removed perpendicular or generally perpendicular to the valve hole on the wheel. The articulating tire valve stem tool includes a linkage assembly that is attached to the body to facilitate in ensuring the valve is installed and removed with the valve perpendicular to the valve hole in the wheel rim.

Abstract: A proppant container facilitates the transportation of wet sand for use in a hydraulic fracturing operation. The container is mounted in a cradle that tips downward in arcuate motion for discharge or proppant through a top opening The tipping mechanism may be driven by a system of gears or a hydraulic ram.

Abstract: Techniques for validating or determining trajectories for a vehicle are discussed herein. A trajectory management component can receive status and/or error data from other safety system components and select or otherwise determine safe and valid vehicle trajectories. A perception component of a safety system can validate a trajectory upon which the trajectory management component can wait for selecting a vehicle trajectory, validate trajectories stored in a queue, and/or utilize kinematics for validation of trajectories. A filter component of the safety system can filter out objects based on trajectories stored in a queue. A collision detection component of the safety system can determine the collision states based on trajectories stored in a queue or determine a collision state upon which the trajectory management component can wait for selecting or otherwise determining a vehicle trajectory.

Abstract: Embodiments described herein are directed to an annotation system having a remote processor, and a client processor in data communication with the remote processor. The client processor is adapted to send a first request for an electronic file to the remote processor, receive the electronic file from the remote processor, define at least one new annotation about the electronic file, and define at least one anchor associated with the at least one annotation. The at least one of the remote processor and the client processor is adapted to store the at least one anchor and the at least one annotation in an annotation file that is separate from the electronic file.

Abstract: An adjustable brace for stabilizing a body part of a patient and a method of fabricating such a brace is provided. In some embodiments, the adjustable brace comprises a first 3D printed stabilizer having a first exterior surface, a first interior surface, and a first thickness; a second stabilizer comprising a second exterior surface, a second interior surface, and a second thickness; one or more attachment points; and one or more selective engagement structures, wherein the first 3D printed stabilizer selectively engages with the second 3D printed stabilizer at common peripheries of the first 3D printed stabilizer and second 3D printed stabilizer via the one or more selective engagement structures, respectively; and a position of the first 3D printed stabilizer is adjustable in relation to the second 3D printed stabilizer.

Abstract: Selective discharging of a rechargeable battery pack across a power supply system load is provided, which includes determining occurrence of a condition within the power supply system, the power supply system including a power supply circuit and a backup energy source. The power supply circuit receives main input power, and the backup energy source is operatively coupled to the power supply circuit to supply backup power to the system load when main power input to the power supply circuit is unavailable. Based on determining occurrence of the condition within the power supply system, a controller actively discharges a rechargeable battery pack of the backup energy source. The actively discharging includes controlling the power supply circuit to force discharging of power from the rechargeable battery pack to the power supply system load by suspending the main input power within the system from powering the system load.

Abstract: The present disclosure relates to a power module with a power path extending through a first field-effect transistor (FET) and a second FET. A primary conductive structure connecting the first FET and the second FET in series provides a primary parasitic inductor within the power path. A first secondary conductive structure connected to both a gate and a source of the first FET provides a first secondary parasitic inductor within a first gate path, and a second secondary conductive structure connected to both a gate and a source of the second FET provides a second secondary parasitic inductor within a second gate path. The first secondary conductive structure and the second secondary conductive structure are configured such that mutual coupling between the first secondary parasitic inductor and the primary parasitic inductor and mutual coupling between the second secondary parasitic inductor and the primary parasitic inductor are substantially symmetrical.

Abstract: Porous and microporous parts prepared by additive manufacturing as disclosed herein are useful in medical and non-medical applications. The parts are prepared from a composition containing both a solvent soluble component and a solvent insoluble component. After a part is printed by an additive manufacturing process it is exposed to solvent to extract solvent soluble component away front the printed part, resulting in a part having surface cavities.