Abstract: Example respiratory protective devices with improved sound insulation are provided. For example, an example respiratory protective device comprises an inner shell component and a fan mounting component. In some examples, the inner shell component defines at least one acoustic insulation portion that is indented on an outer surface of the inner shell component. In some embodiments, the fan mounting component protrudes from an indented surface of the at least one acoustic insulation portion and comprising a plurality of acoustic insulation ribs.

Abstract: Example wireless charging systems are provided. For example, an example wireless charging system includes a plurality of power receiving coils secured on a receiver inner curved surface of a power receiver curved portion; and a charging relay component comprising ferromagnetic material and defining a receiver relay curved surface.

Abstract: The present invention provides a system for data mapping and storing in digital three-dimensional oscilloscope, wherein the fixed coefficients, which are calculated according the parameters and settings of a digital oscilloscope, are stored into a fixed coefficient memory CO RAM, the fixed coefficients are outputted to N fractional operation units through N?1 D flip-flop delay units to multiply with the acquired data x(n) and then be accumulated, thus N fractional calculus results are obtained. In this way, N fractional calculus results can be obtained by performing L/N fractional calculus operations. N fractional calculus results are sent to a signal processing and display module, in which they are converted into a display data through a drawing thread, and the display data are sent to LCD for displaying, thus the fractional calculus operation and display of a input signal in a digital oscilloscope is realized.

Abstract: A method is provided. The method includes receiving a first dimension set, extracting a first latent feature set from the first dimension set, training a first base predictor based on the first feature set, generating a second dimension set based on the first dimension set, the second dimension set having fewer dimensions than the first dimension set, extracting a second latent feature set from the second dimension set, training a second base predictor based on the second feature set, and generating a traffic prediction based on the first base predictor and the second base predictor.

Abstract: Various embodiments are directed to apparatuses and methods for airflow adjustment in a respiratory protective device. In various embodiments, an air distribution system configured for selectively adjusting an airflow in a respiratory protective device, the air distribution system comprising a motor element; and one or more plate element configured for movement between a first and a second directional configurations based on an operation of the motor element; wherein the plate element is configured for arrangement relative to an air outlet of a fan component of the respiratory protective device such that the movement of the plate element between the first directional configuration and the second directional configuration defines a selective adjustment of an airflow characteristic defined by a volume of air flowing through the respiratory protective device relative to the air distribution system.

Abstract: Provided are a circuit control method, a battery controller, a battery management system, a battery, an electrical apparatus, and a vehicle. The circuit control method includes: acquiring an apparatus wake-up signal; determining whether a power source terminal voltage of a charging circuit of a battery on the apparatus is greater than a first threshold and whether a change rate in a first time length is less than a second threshold, wherein the charging circuit is a circuit connecting the battery on the apparatus and a generator, and the power source terminal voltage is an output voltage of the generator; and issuing a first instruction when the power source terminal voltage of the charging circuit of the battery on the apparatus is greater than the first threshold and the change rate in the first time length is less than the second threshold, so that the charging circuit is turned on.

Abstract: The present application discloses an insulation sampling circuit. The insulation sampling circuit includes: a first sampling circuit composed of a first sampling module, a first resistor, and a first switch module; a second sampling circuit composed of a second sampling module, a second resistor, and a second switch module; and a voltage withstand module. The first resistor is connected in parallel to the first sampling module; the first switch module is configured to control the first sampling module and/or the first resistor to be connected between a positive bus and a ground wire; the second resistor is connected in parallel to the second sampling module; the second switch module is configured to control the second sampling module and/or the second resistor to be connected between a negative bus and the ground wire; and the voltage withstand module is disposed on the ground wire to disconnect the ground wire.

Abstract: Various embodiments are directed to respiratory protective devices and methods of using the same. In various embodiments, a respiratory protective device comprises a mask component configured to engage a face of a user; and a strap component configured for selective attachment to the mask component, the strap component being further configured to be worn by the user such that the mask component selectively attached thereto is positioned against the user's face, wherein the strap component defines a selectively detachable configuration relative to the relative to mask component; wherein the mask component comprises a plurality of integrated fastener components configured for selective engagement with the strap component to secure the strap component relative to the mask component, the plurality of integrated fastener components being integrally configured as part of the mask component such that the mask component defines a strap component interface configured for detachable attachment to the strap component.

Abstract: Apparatuses and methods for optimizing air flow in respiratory protective devices are provided. For example, an example respiratory protective device may include a pressure sensor component, at least one fan component, and a controller component. In some example, the controller component is configured to receive a plurality of air pressure indications from the pressure sensor component, calculate a breath pattern indication based on the plurality of air pressure indications, determine a forward rotation speed value for the at least one fan component, and determine a forward rotation start signal transmission time point and a forward rotation stop signal transmission time point for the at least one fan component.

Abstract: A filtration component with microcapsule elements for respiratory protective devices is provided. In some examples, the filtration component includes a periphery wall element and a filter media element. In some examples, the periphery wall element comprises a plurality of microcapsules. In some examples, the filter media element is secured to an inner circumference surface of the periphery wall element.

Abstract: Apparatuses and methods reducing humidity in respiratory protective devices are provided. For example, an example respiratory protective device includes a humidity sensor component embedded in an exhalation filtration component of the respiratory protective device, at least one fan component positioned adjacent to an inhalation filtration component of the respiratory protective device, and a controller component in electronic communication with the humidity sensor component and the at least one fan component.

Abstract: A filtration component for a respiratory protective device is provided. For example, the filtration component includes a filter body and a dispersing element container. In some examples, the dispersing element container includes a tube element fastened to a cover element.

Abstract: The present invention provides a respirator. The respirator (100) has an outer housing (103), a middle frame (101), and a facial seal (108). The facial seal (108) is connected to the middle frame (101), and is fit to and forms a seal to the face of a user when the respirator (100) is in use. The respirator (100) further has an integrated board (102). The integrated board (102) is arranged between the outer housing (103) and the middle frame (101), and is provided with a functional member (107) for the respirator (100).

Abstract: The present invention provides a respirator. The respirator (100) has an outer housing (103), a filter, and an end cover (104). The filter is arranged on the outer housing (103). Position-limiting devices matching each other are respectively provided on the end cover (104) and the outer housing (103), and are used for fixing the filter at the outer housing (103).

Abstract: The present invention provides a filter, a respirator, and a method for manufacturing a filter. The filter is used in a respirator (100). The filter has a filter medium (1), and the filter medium (1) has a pleated structure.

Abstract: Apparatus facilitating peak power management include a plurality of dies, with each such die comprising an array of memory cells, a controller for performing access operations on the array of memory cells, and a counter configured to be responsive to a clock signal. A particular die of a first subset of dies of the plurality of dies comprises a clock generator for generating the clock signal. Each die of the first subset of dies is configured to be selectively enabled to receive commands in response to a first chip enable signal, and each die of a second subset of dies of the plurality of dies is configured to be selectively enabled to receive commands in response to a second chip enable signal independent of the first chip enable signal, wherein the first subset of dies and the second subset of dies are mutually exclusive.

Abstract: Apparatus facilitating peak power management include a plurality of dies, with each such die comprising an array of memory cells, a controller for performing access operations on the array of memory cells, and a counter configured to be responsive to a clock signal. A particular die of a first subset of dies of the plurality of dies comprises a clock generator for generating the clock signal. Each die of the first subset of dies is configured to be selectively enabled to receive commands in response to a first chip enable signal, and each die of a second subset of dies of the plurality of dies is configured to be selectively enabled to receive commands in response to a second chip enable signal independent of the first chip enable signal, wherein the first subset of dies and the second subset of dies are mutually exclusive.

Abstract: Apparatus facilitating peak power management are useful in mitigating excessive current levels within a multi-die package. For example, such apparatus may include an array of memory cells, a controller for performing an access operation on the array of memory cells, an input buffer having an input connected to a clock signal line and having an output, a clock generator for generating an internal clock signal, an output buffer having an input connected to receive the internal clock signal and having an output connected to the clock signal line, and a counter for counting pulses of a particular clock signal selected from a group consisting of the internal clock signal from the clock generator and an external clock signal from the output of the input buffer.

Abstract: Apparatus facilitating peak power management are useful in mitigating excessive current levels within a multi-die package. For example, such apparatus may include an array of memory cells, a controller for performing an access operation on the array of memory cells, an input buffer having an input connected to a clock signal line and having an output, a clock generator for generating an internal clock signal, an output buffer having an input connected to receive the internal clock signal and having an output connected to the clock signal line, and a counter for counting pulses of a particular clock signal selected from a group consisting of the internal clock signal from the clock generator and an external clock signal from the output of the input buffer.