Abstract: A method may include intravenously directing first bubbles into a patient's venous circulatory system and to a right side of the patient's heart. The first bubbles may have sizes that fall within a first range. The method may further include monitoring the patient's heart, with ultrasound imaging, to detect presence of the first bubbles on a left side of the patient's heart. Upon detecting the first bubbles on the left side of the patient's heart, the method may further include intravenously directing second bubbles into the patient's venous circulatory system and to the right side of the patient's heart. The second bubbles may have sizes that fall within a second range that is different than the first range. Upon detecting the second bubbles on the left side of the patient's heart, the method may further include initiating treatment to minimize risk of stroke in the patient.

Abstract: A packing container includes a tray-fitted palette, a top case, a cushion member, and a slope plate. The tray-fitted palette has a tray on which a packed article is placed and a palette fixed to the bottom surface of the tray. The top case is in a tubular shape open at the bottom and covers the side and top faces of the packed article. The cushion member is placed between the packed article and the top case. When the packed article placed on the tray is moved, the slope plate is coupled to the tray-fitted palette. The cushion member is arranged as a reinforcement stand under the slope plate coupled to the tray-fitted palette.

Abstract: An inkjet recording apparatus includes a recording head, a waste ink container, and a suction mechanism. The waste ink container has a plurality of receiving ports to receive ink ejected from the recording head, a suction port disposed at a position apart from each of the plurality of receiving ports, and a plurality of suction air passages connected to the plurality of receiving ports, respectively, so as to communicate between a destination receiving port and the suction port. The plurality of suction air passages are each bent between the destination receiving port and the suction port, and at least two suction air passages join at a predetermined position between the destination receiving port and the suction port.

Abstract: The present disclosure relates to a reproduction method for obtaining a negative electrode active material with improved cycle characteristics from a secondary battery. The technology disclosed herein is a reproduction method for a negative electrode active material, including: a preparation step of preparing a secondary battery including a positive electrode, a negative electrode, an electrolyte, and a phosphorus-containing compound; a charging step of charging the secondary battery in a temperature environment that is at or above a decomposition temperature of the phosphorus-containing compound; and a recovery step of recovering a negative electrode active material from the negative electrode in the secondary battery obtained after the charging step.

Abstract: Disclosed are valve replacement devices, systems, and methods. Valve replacement devices may comprise one- or two-piece systems comprising an adapter body and a valve assembly with leaflets positioned within the adapter body. In two-piece systems, the valve assembly may be removable from the adapter body such that both can be delivered together or separately, and the adapter body may remain implanted while the valve assembly may be removed and replaced (i.e., “revalved”). Also described are devices (such as a delivery catheter device), systems, and methods related to such delivering and revalving the valve replacement. Such delivery methods may include transseptal insertion of a new minimum leaflet structure, and securement of the valve replacement using several securement type (e.g., supra-annular, sub-annular, radial, leaflet securement, etc.). Also described is a braided helical design that mimics the heart's natural movement, and a flange structure for assisting the functioning of the valve replacement.

Abstract: An electricity storage device includes an electrode assembly, a case main body, a lid, a terminal, a current collector, an insulating member, and an insulating film. The electrode assembly includes a tab. The insulating film is disposed inside the case main body so as to cover the electrode assembly. The insulating film is made of a resin film that electrically insulates the case main body and the electrode assembly from each other. The insulating film is joined to at least one of the lid, the insulating member attached to the lid, and the current collector.

Abstract: An inkjet recording apparatus includes a recording head, a waste ink container, and a suction mechanism. The waste ink container has a plurality of receiving ports to receive ink, a suction port, and a plurality of suction air passages configured to communicate between a destination receiving port and the suction port. The suction air passages include a plurality of first air passages connected to one first receiving port, and a plurality of second air passages respectively connected to a plurality of second receiving ports, so as to extend to the suction port. The plurality of first air passages respectively join the second air passages different to each other, so as to communicate between the first receiving port and the suction port.

Abstract: A heater heats a fixing belt in contact with an inner surface of the fixing belt. The fixing belt is formed into a cylindrical shape and rotates around an axis. The heater includes a substrate and a plurality of resistance heat generating elements. The substrate is made of insulator, and elongated in the axial direction. The resistance heat generating elements are arranged on one surface of the substrate facing the inner surface of the fixing belt with gaps in the axial direction, and generate heat by being supplied with power. A relationship between the gap G (mm) and a heat conductivity ? [W/m·K] of the inner surface of the fixing belt satisfies ??138G-36.

Abstract: A fixing device includes a fixing member, a pressure roller, a discharge rollers pair, a discharge guide, and an actuator. The fixing member is heated by a heat source. The pressure roller forms a pressurized region. The discharge rollers pair includes an upper roller and a lower roller, and conveys the sheet passed through the pressurized region. The discharge guide guides the sheet passed through the pressurized region to the discharge rollers pair. The actuator includes a rotating shaft supported by the discharge guide rotatably and movably in an axial direction and a detection piece extending radially from the rotating shaft, and rotated by the sheet passed through the pressurized region to detect the sheet. The discharge guide has a slit in which the detection piece is housed to regulate a moving of the detection piece in a width direction of the sheet.

Abstract: Disclosed are valve replacement devices, systems, and methods. valve replacement devices may comprise one- or two-piece systems comprising an adapter body and a valve assembly with leaflets positioned within the adapter body. In two-piece systems, the valve assembly may be removable from the adapter body such that both can be delivered together or separately, and the adapter body may remain implanted while the valve assembly may be removed and replaced (i.e., “revalved”). Also described are devices (such as a delivery catheter device), systems, and methods related to such delivering and revalving the valve replacement. Such delivery methods may include transseptal insertion of a new minimum leaflet structure, and securement of the valve replacement using several securement type (e.g., supra-annular, sub-annular, radial, leaflet securement, etc.). Also described is a braided helical design that mimics the heart's natural movement, and a flange structure for assisting the functioning of the valve replacement.

Abstract: An anthropomorphic test device includes a spine assembly defining a spinal axis; a neck assembly coupled to a head assembly; and a neck bracket assembly coupling the neck assembly to the spine assembly. The neck bracket assembly has a base secured to the spine assembly with a base plane transverse to the spinal axis and a mount secured to the neck assembly and coupled to the base with the spinal axis passing through said mount. A pivot mechanism is secured to the base and mount with the neck and head assemblies pivoting relative to the base and spine assembly in a plurality of head positions. The mount has upper and lower surfaces angled to each other with one of the upper and lower surfaces being positioned at an angle relative to the base plane in all of the plurality of head positions.

Abstract: Devices and methods related to wideband multiplexer for radio-frequency (RF) applications. In some embodiments, a multiplexer may include a common path configured to receive a plurality of RF signals. The multiplexer may further include a first path having an output coupled to the common path and configured to provide a band-pass response for a frequency band BX. The multiplexer may further include a second path having an output coupled to the common path such that RF signals in the first and second paths are combined and routed through the common path. The second path may be configured to provide a band-stop response for the frequency band BX such that the common path includes a wideband response that includes the frequency band BX and one or more other frequency bands.

Abstract: A device may obtain a master beta coefficient of a master calibration model associated with a master instrument. The master beta coefficient may be at a grid of a target instrument. The device may perform constrained optimization of an objective function, in accordance with a set of constraints, in order to determine a pair of transferred beta coefficients. The constrained optimization may be performed based on an initial pair of transferred beta coefficients, the master beta coefficient, and spectra associated with a scouting set. The device may determine, based on the pair of transferred beta coefficients, a transferred beta coefficient. The device may determine a final transferred beta coefficient based on a set of transferred beta coefficients including the transferred beta coefficient. The final transferred beta coefficient may be associated with generating a transferred calibration model, corresponding to the master calibration model, for use by the target instrument.

Abstract: Asymmetric Doherty power amplifiers are disclosed. In certain embodiments, a Doherty power amplifier includes a carrier amplifier that generates a radio frequency carrier signal based on amplifying a radio frequency input signal, a peaking amplifier that generates a radio frequency peaking signal based on amplifying the radio frequency input signal, and a phase shifting and combining circuit configured to combine the radio frequency carrier signal and the radio frequency peaking signal to generate a radio frequency output signal. The carrier amplifier and the peaking amplifier have asymmetric amplifier sizes.

Abstract: A power storage device includes: a power storage module in which a plurality of power storage cells are stacked along a stacking direction; and a case that accommodates the power storage module, wherein each of the power storage cells in the power storage module has a main surface extending in a direction substantially orthogonal to the stacking direction, and the case includes a supporting portion that supports, along the stacking direction, the power storage module accommodated in the case, and the case is provided with a recess that is provided at a position different from the supporting portion and that opens toward the main surface.

Abstract: In some embodiments, a calibration circuit for an audio amplification system can include a tone generator configured to provide a tone having a frequency to an input path of an audio amplifier, such that an input signal provided to the audio amplifier includes the tone, a a first sampling circuit configured to sample an output signal at an output node of the audio amplifier, and a second sampling circuit configured to sample the input signal at an input node of the audio amplifier. The calibration circuit can further include a gain adjustment circuit configured to generate a correction signal based on the sampled output signal and the sampled input signal to correct for a gain variation of the audio amplifier.

Abstract: Aspects of this disclosure relate to multiplexers with acoustic wave resonators. The multiplexer includes a first filter and a second filter. The first filter includes a plurality of bulk acoustic wave resonators and a shunt surface acoustic wave resonator. The shunt acoustic wave resonator can have a resonant frequency in a passband of the second filter. The passband of the second filter is below a passband of the first filter. In certain applications, the first filter is a receive filter and the second filter is a transmit filter.

Abstract: An image forming apparatus according to the present disclosure includes a skew correction device and a cleaning device. The skew correction device includes first conveying rollers. The first conveying rollers are rotatable about a predetermined rotation fulcrum. The first conveying rollers are, before a sheet, which is skewed, enters a device body, rotated from an initial position, and, when the sheet enters the device body, rotated back to the initial position while nipping and conveying the sheet. The cleaning device includes a toner conveying member that conveys residual toner on an image-carrying member to a predetermined container. Both the first conveying rollers and the toner conveying member operate by consecutively receiving a rotational driving force from a common electric motor.

Abstract: Embodiments of the present disclosure relates to an optical lens and a HUD using the optical lens. The optical lens includes a first lens, a second lens, and an optical waveguide. The first lens includes at least two focal parts with different powers. Since the HUD utilizes the optical lens, the user can maintain a comfortable viewing effect when wearing the HUD for a long time.