Abstract: Disclosed is a pet pulling piece with replaceable panel on both sides comprising a shell, a string roller provided inside the shell, and a pulling belt with one end being mounted on an inner side of the string roller and with the other end extending through a wire outlet to an outside of the shell. The shell is provided with a switch key being unlockable and lockable, the string roller is capable of being locked or unlocked by the switch key, a replaceable panel is provided on a left side and a right side of the shell respectively; a detachable garbage bag can is provided on a bottom of the shell, garbage bags are arranged in the garbage bag can, and the garbage bag can is provided with a hanging position for hanging the garbage bag.

Abstract: It is an object of the present disclosure to provide a lens barrel with which looseness caused by a gap formed between a fixed barrel and a cam barrel can be effectively suppressed without increasing the rotational torque of the cam barrel, as well as a camera equipped with this lens barrel. A lens barrel 100 comprises first to seventh lens group units 21 to 27, a substantially cylindrical rectilinear barrel 11, a substantially cylindrical cam barrel 12, and spacers 11ga, 11gb, 11ha, 11hb, 11ia and 11ib. The cam barrel 12 moves the third to seventh lens group units 23 to 27 in the optical axis OP direction by being rotated with respect to the rectilinear barrel 11 in a state in which main cam followers 11b and main cam grooves 12b are engaged with each other.

Abstract: A memory device includes a memory string and a control circuit coupled to the memory string. The memory string includes a top select gate, word lines, and a bottom select gate. The control circuit is configured to, in an erasing operation, apply an erasing voltage to the memory string, apply a verifying voltage to at least one word line of the word lines after applying the erasing voltage to the memory string, and apply a first turn-on voltage to the bottom select gate, before applying the verifying voltage to the at least one word line.

Abstract: Disclosed is a control method for a hydrogen-fueled domestic gas water heater. A staged combustion technology and a fully premixed combustion technology are combined in the method, a controller judges a combustion mode according to inlet water flow and set hot water input temperature, staged combustion of the hydrogen on a combustor is achieved due to the arrangement of two electromagnetic valves and the staged combustor, and meanwhile the stable combustion of the hydrogen can be achieved by adjusting a rotating speed of a fan and magnitude of currents of a gas proportional valve; and an oxygen sensor is arranged on a exhaust pipe, and the controller judges whether actual hydrogen combustion reaches an optimal state by monitoring outlet water temperature and oxygen concentration in flue gas and performs adjustment.

Abstract: According to certain embodiments, an apparatus comprises: an upper case facing a first direction; a lower case facing a second direction opposite to the first direction, the lower case coupled to the upper case, thereby forming an internal space; a speaker module disposed in the internal space, wherein the speaker module includes: a speaker; a bracket surrounding at least a part of the speaker, the bracket comprising: a first opening positioned to receive sound generated from the speaker; at least one first part coupled with the upper case; and at least one second part coupled with the lower case; at least one first sealing member disposed on the at least one first part of the bracket and sealing the bracket and the upper case; and a second sealing member disposed on the at least one second part of the bracket and sealing the bracket and the lower case.

Abstract: An all solid state battery includes: a battery body including an electrode assembly having first and second surfaces in a first direction, third and fourth surfaces in a second direction, and fifth and sixth surfaces in a third direction, and including a solid electrolyte layer and a cathode and an anode; a first connection portion; and a second connection portion disposed on the electrode assembly. The first connection portion includes a first current collecting electrode and a first protection portion, the second connection portion includes a second current collecting electrode and a second protection portion, and the first current collecting electrode is drawn out to one surface of the first connection portion in the third direction and the second current collecting electrode is drawn out to one surface of the second connection portion in the third direction.

Abstract: An embodiment of the present invention provides a photodetector chip, including a substrate, a semiconductor optical amplification section, and a photodetection section. The substrate includes a surface, the photodetection section and the semiconductor optical amplification section are arranged on the substrate, and the photodetection section is located in an optical signal output direction of the semiconductor optical amplification section. The semiconductor optical amplification section amplifies and filters an input optical signal to output an amplified and filtered optical signal to the photodetection section. The photodetection section is configured to convert the amplified and filtered optical signal into an electrical signal. The semiconductor optical amplification section includes a grating, the grating includes a first grating and a second grating that are cascaded, and the first grating is a slanted grating.

Abstract: An electric vehicle control system and a control method, an electric vehicle power-on method, an electric vehicle power-off method, and an electric vehicle charging method are disclosed in this application. The control system includes a domain control unit controlling an electric vehicle, a current sampling unit sampling the current of a power battery and a motor of the electric vehicle and sending sampling signals to the domain control unit, and electrical device, driven by the power battery, sampling the current flowing through it and sending the sampling signals to the domain control unit. The domain control unit, according to the sampling signals sent by the electrical device and the current sampling unit, manages the power battery and controls a motor driver module and the electrical device. The structure of the control system and the control policy are simplified and the power-on and power-off time is shortened.

Abstract: An integrated Transcranial Magnetic Stimulation (TMS) coil for brain function testing and treatment is provided. The coil includes a coil housing. A figure-eight coil is provided inside the coil housing, and the coil housing is provided with two waist-like bosses for limiting a position of the coil, eight mounting holes are formed on the coil housing, and an optical fiber holder is provided in each of the mounting holes for mounting an optical fiber probe, a silica gel sheet is provided inside the coil housing for limiting movement of the optical fiber holders, a lead-out of the coil passes through the bottom of the coil housing and is connected to a TMS instrument, and a signal end of the optical fiber probe is connected to a near-infrared brain function imager.

Abstract: The present invention relates to rotating equipment, and more specifically, to high efficiency rotating equipment which generates thrust through contra-rotating or produces electricity. The rotating equipment includes: a plurality of propeller modules (10, 20) including a plurality of blades (11, 21) installed inside along a circumferential direction; and a rotary module (40) which rotates the plurality of propeller modules (10, 20) or is rotated.

Abstract: A computer-implemented method includes downloading respective instances of an enterprise mobile application to a plurality of mobile devices. The instances of the enterprise mobile applications, while executing on respective mobile devices, capture, for each session, a session log that includes indications of ordered user actions occurring during the session, and optionally time intervals between user actions and/or user attributes. Captured session logs stored at and are mined by one or more servers to discover a particular pattern or sequence of user actions that occurred across multiple, different user sessions. If the number and/or rate of occurrences of the particular pattern is greater than a threshold, a new test case corresponding to the pattern is automatically generated and added to a suite of test cases for the UI functionality of the enterprise mobile application. The updated test suite may be automatically executed on a test version of the enterprise mobile application.

Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode and a second electrode spaced apart from each other; at least one intermediate electrode disposed between the first electrode and the second electrode; a plurality of light emitting elements electrically connected between a pair of adjacent electrodes of a plurality of electrodes including the first electrode, the second electrode, and the at least one intermediate electrode; and a plurality of repair patterns overlapping and disposed between a pair of adjacent electrodes of the plurality of electrodes.

Abstract: The present invention disclosed a core seat for a valve core, the core seat comprises a base (9) with a total water outlet passage (9a), a first transition water outlet passage (9b) and a second transition water outlet passage (9c); and an electric control switch (13), the second transition water outlet passage (9c) is in communication with the total water outlet passage (9a), the electric control switch (13) controls communication between the first transition water outlet passage (9b) and the total water outlet passage (9a); the core seat provides the possibility that a tap using the core seat can be switched into an ordinary tap for use after an electric control switch is damaged. The present invention disclosed a valve core module which comprises a water path switching valve core and the core seat, a tap using the valve core module can be switched to an ordinary tap for use after the electric control switch is damaged.

Abstract: A method may include obtaining an original image. The method may also include determining a plurality of decomposition coefficients of the original image by decomposing the original image. The method may also include determining at least one enhancement coefficient by performing enhancement to at least one of the plurality of decomposition coefficients using a coefficient enhancement model. The method may also include generating an enhanced image corresponding to the original image based on the at least one enhancement coefficient.

Abstract: The disclosure provides a tool for implanting an interphalangeal implant, an implant retainer for an interphalangeal implant, and a method for preparing an implantation tool for an implantation of an interphalangeal implant. The tool for implanting an interphalangeal implant comprises a limb support for supporting a limb, a driving rod, wherein the driving rod is movable for moving an interphalangeal implant towards the limb support, and an actuation mechanism for actuating the implant driver.

Abstract: A display substrate and a display device are provided. In the display substrate, a first signal line transmitting a first scan signal extends along a first direction and a second signal line transmitting a data signal extends along a second direction; the data writing transistor transmits the data signal to the driving transistor under control of the first scan signal, the first scan signal is transmitted on the first signal line, and the data signal is transmitted on the second signal line; the driving transistor controls magnitude of a driving current according to the data signal; the channel region at least partially overlaps with the gate electrode; a planar shape of the channel region of the driving transistor is a strip shape extending along the second direction; the light emitting device receives the driving current and is driven by the driving current to emit light.

Abstract: A rigid flexible printed circuit board (RFPCB) may include: a first base conductive layer; a first rigid conductive layer spaced apart from the first base conductive layer in a first direction; a second rigid conductive layer spaced apart from the first base conductive layer in the first direction and spaced apart from the first rigid conductive layer in a second direction intersecting the first direction; a base cover layer spaced apart from the first base conductive layer in the first direction and positioned closer to the first base conductive layer than to the first rigid conductive layer and the second rigid conductive layer; a transmission line positioned between the first base conductive layer and the base cover layer; and a dummy metal layer disposed on the base cover layer, positioned between the first rigid conductive layer and the second rigid conductive layer, and overlapping the transmission line in the first direction.

Abstract: A brushless direct current (BLDC) motor includes a rotor having a cylindrical permanent magnet to which a shaft is centrally coupled, and supported to rotate on the shaft. An annular stator surrounds the rotor and includes a plurality of teeth and a wound coil to generate an electromagnetic field. The permanent magnet includes a stress reducing portion, which is provided at opposite end portions thereof, and which has a shape having a mass or a volume which is smaller than a mass or a volume per unit length in an axial direction of a portion of the permanent magnet other than the opposite end portions, to reduce centrifugal stress caused by spinning of the rotor.

Abstract: This application provides a port identification method, apparatus, and system, and belongs to the field of optical communications technologies. According to this application, a connection relationship between the ONT and the optical splitter and a connection relationship between the ONT and the port of the optical splitter can be accurately identified.

Abstract: According to an embodiment disclosed herein, a lamp includes a plurality of light sources connected in series to one another, a light source controller that controls an operation of each of the plurality of light sources based on a control signal, and a signal controller that generates the control signal containing a duty cycle set such that an operating voltage of the plurality of light sources does not exceed a preset value and controls an operation of the light source controller in a time division manner.