Abstract: An aircraft, a center wing box assembly for an aircraft, and a spanwise beam section for a center wing box assembly that includes a segmented structural configuration with an optimized access hole to accommodate user access into an interior space of the center wing box for purposes of assembly and maintenance. The center wing box assembly includes a first spanwise beam section, a second spanwise beam section, spaced from the first spanwise beam section, and a plurality of chord members serving as load-bearing structural reinforcement members for the first spanwise beam section and the second spanwise beam section. The chord members extend across the space between the first spanwise beam section and the second spanwise beam section to connect the first spanwise beam section and the second spanwise beam section in a manner which defines an access hole at the interior space.

Abstract: A buck voltage converter is disclosed. The buck voltage generator includes a controller configured to generate one or more pulse width modulation (PWM) signals, and a plurality of serially connected switches configured to receive the PWM signals and to generate an output voltage signal at an output terminal based on the received PWM signals. The output voltage signal has an average voltage corresponding with a duty cycle of the PWM signals, a first switch of the plurality of serially connected switches has a first breakdown voltage and a second switch of the plurality of serially connected switches has a second breakdown voltage, and the first breakdown voltage is less than the second breakdown voltage.

Abstract: Various implementation described herein are directed to a method for providing access control. User information is received at a device. A request to provide access control is generated by the device based on the received user information. The request is transmitted via a network to an access manager. A response to the request is received from the access manager. Access control via the device is provided based on the response to the request.

Abstract: Some methods involve receiving, by a control system that is configured for implementing a plurality of renderers, audio data and listening configuration data for a plurality of listening configurations, each listening configuration of the plurality of listening configurations corresponding to a listening position and a listening orientation in an audio environment, and rendering, by each renderer and according to the listening configuration data, the received audio data to obtain a set of renderer-specific loudspeaker feed signals for a corresponding listening configuration. Each renderer may be configured to render the audio data for a different listening configuration. Some such methods may involve decomposing each set of renderer-specific loudspeaker feed signals into a renderer-specific set of frequency bands and combining the renderer-specific frequency bands of each renderer to produce an output set of loudspeaker feed signals.

Abstract: The present invention relates to an apparatus, a method, and a system for determining location. The apparatus comprises an apparatus comprising a camera, and a processor. The camera is configured to capture an image of a microscopic object located at a predetermined location. The microscopic object comprises coded information. The processor is configured to process the image to decode the coded information and to determine a location of the device as being the predetermined location based on the decoded information. The apparatus may further comprise a manually operated inventory carrier (such as a shopping trolley or cart) or a robotic inventory carrier. The predetermined location may be in a supermarket or an inventory facility. The microscopic object may comprise a QR code or other barcode, and may be one of an array or repeating patterns of microscopic objects.

Abstract: Some methods involve receiving, by a control system configured for implementing a plurality of Tenderers, audio data and listening configuration data for a plurality of listening configurations, each listening configuration of the plurality of listening configurations corresponding to a listening position and a listening orientation in an audio environment, and rendering, by each Tenderer and according to the listening configuration data, the received audio data to obtain a set of Tenderer-specific loudspeaker feed signals for a corresponding listening configuration. Each Tenderer may be configured to render the audio data for a different listening configuration. Some such methods may involve decomposing each set of renderer-specific loudspeaker feed signals into a Tenderer-specific set of frequency bands and combining the renderer-specific frequency bands of each Tenderer to produce an output set of loudspeaker feed signals.

Abstract: Disclosed herein are several embodiments of a negative pressure system and methods of using the same in the treatment of wounds. Some embodiments are directed to a system that utilizes a wound dressing with at least three layers. These embodiments are directed toward improved distribution of negative pressure to a wound and periwound site surrounding the wound.

Abstract: Optical compensation films based on polymer blends formed from particular compositions of a styrenic fluoropolymer and acrylic copolymers are provided. The optical compensation films have desirable mechanical and optical properties such as haze, elongation at break, Young's modulus, in-plane retardation, and out-of-plane retardation. The optical compensation films are suitable for use in display devices such as those in televisions, computers, automobiles, and mobile phones.

Abstract: Methods and systems include receiving a product attribute that identifies a product. A first component attribute and a second component attribute are received. The first component attribute identifies a first component included in the product and the second component attribute identifies a second component included in the product. The methods and systems further includes receiving first manufacturing data associated with the first component and second manufacturing data associated with the second component, applying a set of compatibility rules to the first manufacturing data and the second manufacturing data, determining pairing data from the application of the set of compatibility rules to the first manufacturing data and the second manufacturing data, applying a set of pairing rules to the pairing data, determining one or more actions from the application of the set of pairing rules to the pairing data, and performing the one or more actions.

Abstract: A method for providing incentives based on geolocation of mobile devices. The method includes storing, by a server, data including merchant information of merchants and points of interest, and associated incentive information. The method includes determining, based on communication with user's device of a user, a first location of the mobile device. The method includes determining, based on the first location, a first subset of merchants and associated first subset of incentives. The method includes communicating merchant data, including information on the first subsets of merchants and incentives, to the mobile device. The method includes communicating to the mobile device, in response to a determination that the mobile device is inside a geofence associated with at least one of the first subset of merchants, additional information on the at least one of the first subset of merchants, the additional information comprising one or more related incentives.

Abstract: Duct stringers for aircraft wing boxes. The duct stringer comprises a base, a pair of sidewalls projecting from the base in a spaced-apart relationship, and a cap wall that extends between and interconnects the pair of sidewalls, with the cap wall being positioned spaced apart from the base by the pair of sidewalls. The duct stringer further comprises an ovaloid vent formed in the cap wall. The ovaloid vent comprises a perimeter that circumscribes an aperture and that defines a closed shape. The perimeter comprises a pair of curved end regions opposed to one another and that each arc at least substantially through 180 degrees. Each curved end region comprises a non-uniform radius of curvature.

Abstract: A method of forming a weld joint is provided. A first component having a base portion and a flange extending from the base portion is provided. A second component is provided. The second component and the flange are brought into abutment and a load is applied to the flange via the second component. The flange is biased against the second component by a reaction of the first component to the load. One of the first and the second components is vibrated to form a weld joint between at least a part of the second component and at least a part of the flange.

Abstract: A method of augmenting a reliability model of products including a particular product in use by an end user. The particular product includes a first component and a second component each having component attributes. The method also includes receiving first data of the first component and second data of the second component generated during use of the particular product by the end user and comparing the first data to the second data. The method also includes identifying a measure of compatibility between the components, determining pairing data based on the measure of compatibility, and applying a set of pairing rules to the pairing data. The method further includes modifying the reliability model based at least in part on the application of the pairing rules to the pairing data to generate an augmented reliability model and initiating one or more actions in association with the augmented reliability model.

Abstract: Duct stringers for aircraft wing boxes. The duct stringer comprises a base, a pair of sidewalls projecting from the base in a spaced-apart relationship, and a cap wall that extends between and interconnects the pair of sidewalls, with the cap wall being positioned spaced apart from the base by the pair of sidewalls. The duct stringer further comprises an ovaloid vent formed in the cap wall. The ovaloid vent comprises a perimeter that circumscribes an aperture and that defines a closed shape. The perimeter comprises a pair of curved end regions opposed to one another and that each arc at least substantially through 180 degrees. Each curved end region comprises a non-uniform radius of curvature.

Abstract: An electronic system includes a circuit board including a power plane. An integrated circuit (e.g., processor) is attached to a first side of the circuit board and is arranged to receive power from the power plane. A plurality of DC-to-DC converters are attached to a second side of the circuit board and are arranged to transfer power to the power plane. Each DC-to-DC converter includes a respective voltage sense input that is electrically connected to a separate location on the power plane. A telemetry circuit is coupled to each of the plurality of DC-to-DC converters and is configured to detect a quantity of power transferred to the common power plane from each of the plurality of power conversion devices.

Abstract: A buck voltage converter is disclosed. The buck voltage generator includes a controller configured to generate one or more pulse width modulation (PWM) signals, and a plurality of serially connected switches configured to receive the PWM signals and to generate an output voltage signal at an output terminal based on the received PWM signals. The output voltage signal has an average voltage corresponding with a duty cycle of the PWM signals, a first switch of the plurality of serially connected switches has a first breakdown voltage and a second switch of the plurality of serially connected switches has a second breakdown voltage, and the first breakdown voltage is less than the second breakdown voltage.

Abstract: A configurable capacitance device includes a semiconductor substrate including a plurality of integrally formed capacitors; and a separate interconnect structure coupled to the semiconductor substrate, wherein the separate interconnect structure is configurable to electrically couple two or more of the plurality of integrally formed capacitors together in a parallel configuration.

Abstract: A power converter circuit. In one aspect, the power converter circuit includes a first buck converter coupled in series to a second buck converter at a junction, and a control circuit coupled to each of the first and second buck converters. In another aspect, the control circuit is arranged to sense a voltage at the junction, compare the sensed voltage to a first threshold voltage and in response to the sensed voltage being at a voltage lower than the first threshold voltage, the control circuit operates the first buck converter and disables the second buck converter. In yet another aspect, the control circuit is arranged to compare the sensed voltage to a second threshold voltage and in response to the sensed voltage being at a voltage higher than the second threshold voltage, the control circuit operates the second buck converter and disables the first buck converter.

Abstract: A buck voltage converter is disclosed. The buck voltage generator includes a controller configured to generate one or more pulse width modulation (PWM) signals, and a plurality of serially connected switches configured to receive the PWM signals and to generate an output voltage signal at an output terminal based on the received PWM signals. The output voltage signal has an average voltage corresponding with a duty cycle of the PWM signals, a first switch of the plurality of serially connected switches has a first breakdown voltage and a second switch of the plurality of serially connected switches has a second breakdown voltage, and the first breakdown voltage is less than the second breakdown voltage.

Abstract: A capacitance device includes: a semiconductor substrate; a capacitor disposed on the semiconductor substrate and including first and second positive terminals and first and second negative terminals; a passivation layer formed over the capacitor, the first and second positive terminals and the first and second negative terminals, the passivation layer defining first and second openings over the first and second positive terminals, respectively, a third opening over the first negative terminal and a fourth opening over the second negative terminal; a first metallic bump disposed on the passivation layer and including first extending portions that extend through each of the first and second openings, electrically coupling the first and second positive terminals; and a second metallic bump disposed on the passivation layer and including second extending portions that extend through each of the third and fourth openings, electrically coupling the first and second negative terminals.