Abstract: A fuel additive composition comprising an anthocyanidin; an amino acid; and a catalyst. The anthocyanidin may comprise delphinidin chloride. The amino acid may comprise aspartic acid, leucine acid, glutamic acid, a non-natural amino acid, or a combination thereof. Embodiments of the present invention also relate to a method for making of fuel additive, the method comprising: providing an anthocyanidin; contacting the anthocyanidin with an amino acid to form an anthocyanidin-amino acid mixture; contacting the anthocyanidin-amino acid mixture with a catalyst. The method may further comprise contacting the anthocyanidin-amino acid mixture with ethanol and/or an acid. The method may further comprise adjusting the pH of the anthocyanidin-amino acid mixture to less than 7.

Abstract: Disclosed herein are systems, devices, and methods for providing continuous, non-invasive blood pressure monitoring. A wearable monitoring device includes first and second transducer arrays separated by a fixed distance. Each of the transducer arrays includes a plurality of independent transducer elements for transmitting and receiving ultrasound energy. When a user wears the device, the transducers are positioned near the brachial artery. The device operates to measure the transit time of a cardiac pulse through the brachial artery and across the fixed distance between transducer arrays. The measured pulse transit time may then be used for determining pulse wave velocity and/or blood pressure.

Abstract: A fuel additive composition comprising an anthocyanidin; an amino acid; and a catalyst. The anthocyanidin may comprise delphinidin chloride. The amino acid may comprise aspartic acid, leucine acid, glutamic acid, a non-natural amino acid, or a combination thereof. Embodiments of the present invention also relate to a method for making of fuel additive, the method comprising: providing an anthocyanidin; contacting the anthocyanidin with an amino acid to form an anthocyanidin-amino acid mixture; contacting the anthocyanidin-amino acid mixture with a catalyst. The method may further comprise contacting the anthocyanidin-amino acid mixture with ethanol and/or an acid. The method may further comprise adjusting the pH of the anthocyanidin-amino acid mixture to less than 7.

Abstract: Methods and systems for producing a thermite weld include applying a first vibration and a second vibration to molten thermite material within a mold between a first piece and a second piece to be welded. The first vibration includes a first vibration frequency and a first amplitude, and the second vibration includes a second vibration frequency and a second amplitude. The first vibration and the second vibration are applied simultaneously to the molten thermite material until the molten thermite material cools below a liquid-to-solid transition temperature. Interference patterns and harmonics between the first vibration and the second vibration enhance the elimination of gas voids within the molten thermite material and enhance grain refinement in the molten thermite material of the resulting thermite weld without damaging the mold.

Abstract: Implementations described herein relate to methods, systems, and computer-readable media to provide spatialized audio in virtual experiences. The spatialized audio may be used in voice communications such as, for example, voice and/or video chats. The chats may include spatialized audio that is combined at a client device, or at an online experience platform, and is targeted to a particular user. Individual audio streams may be collected from a plurality of avatars and other objects, and combined based on the target user. The audio may also include background and/or ambient sounds to provide a rich, immersive audio stream in virtual experiences.

Abstract: Multi-phase-shift control of a power converter is provided. The power converter includes a dual-active-bridge (DAB) converter having a transformer, a first H-bridge coupled to the primary winding of the transformer, and a second H-bridge coupled to the secondary winding of the transformer. The DAB converter is operable to generate two-level and three-level voltage waveforms on the primary winding and on the secondary winding to yield a system which ensures zero-voltage switching and unity power factor over a wide range of input and output voltage levels and power throughputs. In a multi-phase shift (MPS) mode of operation, the DAB converter changes from a two-level voltage in at least one of the windings to a three-level voltage in both windings in response to the instantaneous load being below a predetermined level, resulting in more efficient performance of the DAB converter in light load conditions.

Abstract: Disclosed herein are systems, devices, and methods for remotely measuring one or more vital signs of a patient, securely storing and communicating the resulting vital sign data, and configuring the vital sign data for secure access by a healthcare provider computer system to enable remote monitoring of the patients vital signs. One or more vital sign monitoring devices detect patient vital signs and securely transmit the resulting vital sign data to an external computer device such as the patients smart phone or abase station computer device. The external computer device communicates with a server system, such as a secure cloud storage system, which configures the vital sign measurement data and received patient identification data and makes it accessible to one or more healthcare provider computer systems.

Abstract: Disclosed herein are systems, devices, and methods for providing continuous, non-invasive blood pressure monitoring. A wearable monitoring device includes first and second transducer arrays separated by a fixed distance. Each of the transducer arrays includes a plurality of independent transducer elements for transmitting and receiving ultrasound energy. When a user wears the device, the transducers are positioned near the brachial artery. The device operates to measure the transit time of a cardiac pulse through the brachial artery and across the fixed distance between transducer arrays. The measured pulse transit time may then be used for determining pulse wave velocity and/or blood pressure.

Abstract: A monitoring system for determining a user's respiration rate includes a wearable monitoring device for attachment to the user's chest wall. The wearable monitoring device includes a plurality of biometric sensors for generating a plurality of separate biometric data types such as motion data, sound data, and EKG data. A controller is included within the wearable monitoring device and/or is communicatively coupled to the device. The controller is configured to receive the biometric data from the biometric sensors, associate the biometric data of each of the separate biometric data types with one another according to a common sampling timeline to generate a set of multiplexed biometric data, and use the multiplexed biometric data to determine the user's respiration rate.

Abstract: Embodiments of the present invention provide wireless control devices that operate in-field wirelessly without removable batteries, have power self-harvesting components, and can be wirelessly programmed over long ranges without interfering with the normal operation of the control devices. Only control devices that have sufficient power available to perform a reprogram cycle (and can function normally until a next power harvest cycle) are selected. Control devices can be selected for wireless reprogramming based on the upcoming functions to be performed by the control device, the amount of energy stored in the control device, the rate of power generation of a solar panel of the control device, and current and upcoming weather conditions, etc. The wireless programming can include updating a firmware of the control device, a bootloader of the control device, and an application program image.

Abstract: Systems and methods facilitate efficient and effective monitoring and control of various activities using a remote self-contained in-field installed device capable of self-harvesting power. A power self harvesting control device comprises: a power sub-system configured to self-harvest energy required of its internal components; a communication sub-system configured to communicate with other external devices; an exterior function interface sub-system configured to generate and receive input/output signals associated with the external component interactions; and a management sub-system configured to manage and coordinate activities of the power control sub-system, the communication sub-system, and external function control sub-system. The management sub-system directs management and coordination of the self-harvested energy supply and consumption. The power sub-subsystem includes a non-removable self contained energy storage component that stores self-harvested energy.

Abstract: A mobile vacuum cart system for use in hospital environments is described. The cart is capable of meeting requirements of ULPA certification, thereby improving air quality and reducing the risk of healthcare-associated infections.

Abstract: Multi-phase-shift control of a power converter is provided. The power converter includes a dual-active-bridge (DAB) converter having a transformer, a first H-bridge coupled to the primary winding of the transformer, and a second H-bridge coupled to the secondary winding of the transformer. The DAB converter is operable to generate two-level and three-level voltage waveforms on the primary winding and on the secondary winding to yield a system which ensures zero-voltage switching and unity power factor over a wide range of input and output voltage levels and power throughputs. In a multi-phase shift (MPS) mode of operation, the DAB converter changes from a two-level voltage in at least one of the windings to a three-level voltage in both windings in response to the instantaneous load being below a predetermined level, resulting in more efficient performance of the DAB converter in light load conditions.

Abstract: A portable pool filter system is disclosed. The portable pool filter system is fully immersible and self-contained. Water is suction fed through the filter before entering the pump and being discharged. The device decontaminates water from all contaminations to include algae, iron, red clay, and oils.

Abstract: A portable pool filter system is disclosed. The portable pool filter system is fully immersible and self-contained. Water is suction fed through the filter before entering the pump and being discharged. The device decontaminates water from all contaminations to include algae, iron, red clay, and oils.

Abstract: A method and apparatus for dynamically constructing a broadcast multiplex are described. The method includes: receiving metadata associated with a first plurality of events on a plurality of source channels, the metadata including, at least, scheduling metadata; determining, on the basis of a rule-set applied to the metadata, whether events of the first plurality of events are to be included in the multiplex, thereby producing a second plurality of events to be included in the multiplex; for each one event of the second plurality of events, assigning a multiplex priority to the one event, the multiplex priority being a priority the one event is to be assigned in the multiplex in case the one event contends for space in the multiplex with a second event of the second plurality of events; copying events from the second plurality of events into the multiplex in dependence on the multiplex priorities of events in the second plurality of events; and broadcasting the multiplex.

Abstract: The present invention relates to an apparatus, method for adjusting depth characteristics of a three-dimensional image for correcting for errors in perceived depth when scaling the three-dimensional image, the method comprising: receiving three-dimensional image information comprising a stereoscopic image including a first image and a second image, the stereoscopic image having depth characteristics associated with an offset of the first and second images; determining a scaling factor indicative of a scaling for converting the stereoscopic image from an original target size to a new size; determining at least one shifting factor for varying the depth characteristics, the at least one shifting factor indicative of a relative shift to be applied between the first and the second images, wherein the at least one shifting factor is determined in accordance with the scaling factor and at least one depth parameter derived from the depth characteristics; and performing the relative shift between the first and second

Abstract: A method and system for broadcasting content, is described, the method and system facilitating simultaneous recording of multiple programs on a digital video recorder (DVR), the method and system including providing a plurality of content items, dividing each one of the plurality of content items into a multiplicity of chunks, each one of the chunks including at least one reference frame, for each one of the chunks determining a location of each reference frame included in the chunk, creating a chunk index of locations of each reference frame included in the chunk, creating a chunk file including the chunk and the chunk index, and inserting the chunk file in a data stream, such that no chunk file including a chunk from a particular content item is adjacent to a second chunk file including a chunk from the same particular content item, and broadcasting using a transmission bitrate greater than the bitrate of the data stream in a single channel in a multiplexed broadcast service, wherein the chunks files in the

Abstract: A barrel clip of unitary plastic construction is used to securely clip onto the barrel of a firearm and simultaneously is able to hook the firearm to a non-human support such as a fence when, during hiking and/or hunting, there is a need for the hiker and/or hunter to be hands free and out of contact with his/her firearm. This lightweight, inexpensive inventive barrel clip helps prevent clogging and dirtying of the firearm barrel. Further it does not cause damage to the environment in which it is used. It is easily stored in a pocket, on the barrel of the firearm, or clipped onto some convenient item being taken on the hike and/or hunt.

Abstract: A method of presenting content to a viewer is described. The method includes: receiving a schedule of content at a client operable by the viewer, the schedule of content including a directed graph, the directed graph including a plurality of nodes, wherein each node in the plurality of nodes is connected to one or more other nodes in the plurality of nodes by one or more paths, wherein each path represents content presentable to the viewer; traversing the directed graph by following a route between nodes and along paths of the directed graph, wherein at each node the client determines a path to follow according to state information accessible by the client; and presenting content to the viewer as each path is followed.