Abstract: Provided are a driver board, a display panel, and a display apparatus. The driver board includes a driver circuit. The driver circuit includes N pixel electrodes, N pixel switches, a data switch, and a storage capacitor, N is a positive integer, and N?2. The storage capacitor includes a reference electrode and a counter electrode. A control terminal of the pixel switch receives a gating signal, a first terminal of the pixel switch is connected to the counter electrode, and a second terminal of the pixel switch is connected to the pixel electrode. The driver board further includes data lines, and each data line is connected to the counter electrode via the data switch.

Abstract: The present disclosure provides a voltage reference source circuit for generating a reference voltage, the voltage reference source circuit comprises a starting circuit, a current generating circuit, and an output voltage reference circuit electrically connected in sequence. The starting circuit provides a starting voltage for the voltage reference source circuit to prevent the voltage reference source circuit from operating in zero state area. The current generating circuit generates a working current for the output voltage reference circuit; and the output voltage reference circuit is used to realize the reference voltage output with zero temperature coefficient according to the working current output by the current generating circuit. A low power consumption power supply system is also disclosed.

Abstract: A level shift circuit converts input signals in a first voltage domain into output signals in a second voltage domain. The level shift circuit includes a first voltage domain circuit, a middle voltage domain circuit, and a second voltage domain circuit. The middle voltage domain circuit convert the signals in the first voltage domain received by the first voltage domain circuit into signals in a middle voltage domain. The second voltage domain circuit converts the signals in the middle voltage domain into signals in the second voltage domain and outputs the converted signals. The signals in the middle voltage domain are partly different from the signals in the first voltage domain and the second voltage domain. Each signal in the first voltage domain is different from the signals in the second voltage domain. A display apparatus is also disclosed.

Abstract: A video clipping method is provided. In the method, a game video and game event data corresponding to the game video are obtained in response to receiving a video clipping request. Clipping reference information corresponding to one or more target game events in the game video is determined according to the game event data. An initial clipped video is generated. The initial clipped video includes at least one video clip from the game video based on the clipping reference information. A target clipped video is generated based on the initial clipped video and a special effect type that is determined to correspond to each of at least one target game event of the one or more target game events.

Abstract: Disclosed is a drainage system for an automatic cleaning storage base of an electric mop. The automatic cleaning storage base of the electric mop comprises a casing member having a cleaning tank. The drainage system comprises a drain valve; an outlet end of the drain valve is connected to the outside of the casing member, and an inlet end of the drain valve is connected to the cleaning tank; the drain valve has a switch, and the switch is provided with a first rack; the drain valve is further provided with a duplex gear and a second rack; the duplex gear has a gear portion with a larger outer diameter to mesh with the first rack, and the duplex gear has a gear portion with a smaller outer diameter to mesh with the second rack.

Abstract: A self-cleaning automatically-stored electrical mop includes a mop rod assembly, a mop head assembly, and a cleaning base assembly used for storing and cleaning the mop head assembly. The mop head assembly is arranged at the lower end of the mop rod assembly and includes a mop head shell which is provided with a rotatable cleaning roller and a motor used for driving the cleaning roller. The cleaning base assembly includes a shell part. A cleaning groove used for cleaning the cleaning roller is formed in the shell part, and a cleaning assembly used for scrubbing the cleaning roller is arranged in the cleaning groove. The shell part is provided with a sewage discharge system used for discharging sewage.

Abstract: An electromagnetic device for an elevator brake, an elevator brake and an elevator system. The electromagnetic device is configured to be provided in the number of at least two in the elevator brake, and each of the electromagnetic devices includes: a fixed member, which is fixed relative to an elevator power device and provided with at least one electromagnetic member for providing an electromagnetic force after being energized; a movable member, which is arranged between the fixed member and a friction member of the elevator brake, and arranged to be movable relative to the fixed member; and a force supply member, which is arranged to provide a force in an opposite direction to the electromagnetic force to the movable member.

Abstract: A disposable wearable micro-flow continuous drug delivery system has an elastic drug storage cavity for extruding and storing liquid drug, wherein one end of the elastic drug storage cavity is communicated with a drug outlet pipe, wherein one end of the drug outlet pipe is communicated with a first micro-flow path and a second micro-flow path for shunting liquid drug, which is far away from the elastic drug storage cavity, wherein an adjusting mechanism is connected between the first micro-flow path and a second micro-flow path, wherein a first valve and a second valve are respectively provided at the surface of the first micro-flow path and adjacent to two different sides of the adjusting mechanism, wherein the disposable wearable micro-flow continuous drug delivery system of the present invention makes the liquid drug have a certain impulse by using the elastic and soft drug storage cavity, which is convenient to inject the liquid drug into the human body, and secondly, the adjusting mechanism is set betwee

Abstract: Provided are a semiconductor material based on metal nanowires and a porous nitride, and a preparation method thereof. The semiconductor material includes: a substrate; a buffer layer formed on the substrate; and a composite material layer formed on the buffer layer the composite material layer includes: a transverse porous nitride template layer; and a plurality of metal nanowires filled in pores of the transverse porous nitride template layer.

Abstract: The present disclosure provides a voltage reference source circuit for generating a reference voltage, the voltage reference source circuit comprises a starting circuit, a current generating circuit, and an output voltage reference circuit electrically connected in sequence. The starting circuit provides a starting voltage for the voltage reference source circuit to prevent the voltage reference source circuit from operating in zero state area. The current generating circuit generates a working current for the output voltage reference circuit; and the output voltage reference circuit is used to realize the reference voltage output with zero temperature coefficient according to the working current output by the current generating circuit. A low power consumption power supply system is also disclosed.

Abstract: Disclosed is an automatic cleaning storage base for an electric mop. The electric mop has a rotatable cleaning roller; the automatic cleaning storage base comprises a casing member, a cleaning tank is formed in an upper surface of the casing member, and a decontamination assembly for scrubbing the cleaning roller is disposed in the cleaning tank; the roller is cleaned by using the decontamination assembly of the present invention, thereby avoiding the cumbersome manual operation in the prior art, avoiding staining human hands, and achieving a good effect.

Abstract: Disclosed is a drainage system for an automatic cleaning storage base of an electric mop. The automatic cleaning storage base of the electric mop comprises a casing member having a cleaning tank. The drainage system comprises a drain valve; an outlet end of the drain valve is connected to the outside of the casing member, and an inlet end of the drain valve is connected to the cleaning tank; the drain valve has a switch, and the switch is provided with a first rack; the drain valve is further provided with a duplex gear and a second rack; the duplex gear has a gear portion with a larger outer diameter to mesh with the first rack, and the duplex gear has a gear portion with a smaller outer diameter to mesh with the second rack.

Abstract: A self-cleaning automatically-stored electrical mop includes a mop rod assembly, a mop head assembly, and a cleaning base assembly used for storing and cleaning the mop head assembly. The mop head assembly is arranged at the lower end of the mop rod assembly and includes a mop head shell which is provided with a rotatable cleaning roller and a motor used for driving the cleaning roller. The cleaning base assembly includes a shell part. A cleaning groove used for cleaning the cleaning roller is formed in the shell part, and a cleaning assembly used for scrubbing the cleaning roller is arranged in the cleaning groove. The shell part is provided with a sewage discharge system used for discharging sewage.

Abstract: One embodiment provides a method, including: receiving, at an electronic device, a handwriting input operation by a user; acquiring, using a processor, a first input feature information associated with the handwriting input operation; and generating, using a processor, an index based on the first input feature information. Other aspects are described and claimed.

Abstract: A host module is disclosed, in which an interface is used to couple to at least an electronic device through a serial bus and comprises at least first and second ports. A detection unit reports that one of the first and second ports is enabled and the other is not enabled to a serial bus host driver and enables the interface to perform data transmission with the electronic device connected to the first and second ports through two parallel transmission channels of the serial bus, when the first and second ports are both connected to the same electronic device through the serial bus.

Abstract: A file switching method of a Basic Input/Output System (BIOS) file is disclosed. Upon a received read instruction, a timer for a predetermined timing is initiated, and a first data page having a requested data is read from a first BIOS file. An error correction check on the first data page is performed to check if any error in the first data page. If an error is occurred in the error correction check, repeating the step “reading the first data page”. If number of times of the repeating step exceeds a predetermined number, or if the predetermined timing is expired, a second data page having the requested data is read from a second BIOS file according to the read instruction.

Abstract: A host module is disclosed, in which an interface is used to couple to at least an electronic device through a serial bus and comprises at least first and second ports. A detection unit reports that one of the first and second ports is enabled and the other is not enabled to a serial bus host driver and enables the interface to perform data transmission with the electronic device connected to the first and second ports through two parallel transmission channels of the serial bus, when the first and second ports are both connected to the same electronic device through the serial bus.

Abstract: A file switching method of a Basic Input/Output System (BIOS) file is disclosed. Upon a received read instruction, a timer for a predetermined timing is initiated, and a first data page having a requested data is read from a first BIOS file. An error correction check on the first data page is performed to check if any error in the first data page. If an error is occurred in the error correction check, repeating the step “reading the first data page”. If number of times of the repeating step exceeds a predetermined number, or if the predetermined timing is expired, a second data page having the requested data is read from a second BIOS file according to the read instruction.