Abstract: A voltage detection device is provided. The voltage detection device includes a first voltage divider circuit, a comparison circuit, and a second voltage divider circuit. The first voltage divider circuit is configured to receive an input voltage and output a comparison voltage according to the input voltage. The comparison circuit is configured to receive the comparison voltage to compare the comparison voltage with a reference voltage and determine whether to change a trigger signal according to a comparison result. The second voltage divider circuit is configured to receive the input voltage. When the input voltage is greater than or equal to a predetermined voltage value, the second voltage divider circuit and the first voltage dividing circuit form a parallel structure to pull down the comparison voltage.

Abstract: An electronic system includes a first device and a second device is provided. The first device includes a power connector, a first connector, a first battery, and a charging controller. The second device includes a second connector and a second battery. The power connector is configured to receive an external voltage. The first battery is electrically connected to the power connector and the first connector. The charging controller is electrically connected to the power connector and the first battery. The second connector is utilized for connecting the first connector. The second battery is electrically connected to the second connector. When the first connector is connected to the second connector, the charging controller selectively connects the first battery and the second battery in a series via the first connector and the second connector according to the level of the first battery and the second battery.

Abstract: A PCI-E expansion card module is configured to insert in a slot with a rotation switch. The PCI-E expansion card module includes a PCI-E expansion card body and an unlock mechanism. The PCI-E expansion card body includes an inserting portion and a positioning hook. The unlock mechanism is disposed beside the PCI-E expansion card body, and the unlock mechanism includes a pushing member. When the PCI-E expansion card body is inserted into the slot, the rotation switch is on a moving path of the pushing member. The pushing member moves and pushes the rotation switch to release a limitation of the PCI-E expansion card body.

Abstract: A fan fixing device adapted to mount a fan in an electronic device is provided. The fan includes a frame, a first side plate, and a second side plate. The fan fixing device includes a fixing base and a fixing piece. The fixing base includes a side wall with an opening. The fixing piece is detachably mounted around the fan, and includes a main body with a first side, a second side, and a third side, a first fixing part, a second fixing part, and a buckling part. The first fixing part is fixed on the first side plate. The second fixing part is fixed on the second side plate. The buckling part is located on the third side, and includes an inner surface facing the frame and an outer surface clamped in the opening, to fix the fan on the fixing base.

Abstract: A fixing assembly is suitable for being arranged on a circuit board and configured to fix an expansion card. The fixing assembly includes a body and a buckle structure. The buckle structure includes a pressing part, a buckle part, an elastic member, and a base. The pressing part is away from the circuit board. An end of the buckle part is connected to the pressing part and has an inclined surface and a blocking surface connected to each other. The blocking surface has a gap with the top surface. The elastic member is connected to another end of the buckle part. When a first end of the expansion card is connected to the connector, a second end of the expansion card slides along the inclined surface to the top surface and is fixed in the gap by being abutted by the blocking surface.

Abstract: A method for detecting filter status is applicable to an electronic device including a filter, and the method includes the following steps. In response to activation of the electronic device, timing is started and an accumulated operating time is obtained. In response to the accumulated operating time being greater than or equal to a time threshold value, a level of dirtiness of the filter is detected through an optical sensing element. The time threshold value is adjusted according to the level of dirtiness of the filter. A notification related to the filter is provided according to the level of dirtiness of the filter.

Abstract: A power supply circuit is adapted to an electronic device. The power supply circuit includes a drive circuit, a feedback resistor circuit, a battery module and a controller. The drive circuit receives a charger boost indication signal and generates a drive signal accordingly. The feedback resistor circuit has a feedback resistance value changing in response to the drive signal and receives a DC power supply to supply power to a system component. The battery module provides a battery power supply to the system component. The controller controls the battery power supply provided by the battery module according to the feedback resistance value. When the system component is operating in a heavy load state, the controller transmits the corresponding charger boost indication signal to the drive circuit, so as to reduce the feedback resistance value through the drive signal.

Abstract: Methods, systems, and apparatuses are provided for enhancing timing alignment for uplink (UL) multi-Transmission/Reception Point (TRP) (or mTRP) scenarios in a wireless communication system. A method for a UE in a wireless communication system can comprise receiving a signaling, wherein the signaling indicates activation for a first TRP and/or is a Physical Downlink Control Channel (PDCCH) signal, determining to perform a first random access procedure on the first TRP, based on the signaling, to obtain a first Time Alignment (TA) information associated with the first TRP, and performing multi-TRP operation on the first TRP associated with the first TA information and a second TRP associated with a second TA information.

Abstract: A display apparatus adapted for connecting with a supporting stand is provided. The supporting stand includes a clamping portion. The display apparatus includes a main body. The main body includes a back surface. The back surface includes a connecting hole. A fixing component is in the connecting hole. The clamping portion is adapted to reach into the connecting hole. When the clamping portion reaches into the connecting hole, the clamping portion is arranged around and abuts against the fixing component, so that the display apparatus is connected to the supporting stand.

Abstract: A method for establishing a virtual private network (VPN) connection and a network device are disclosed. The method includes the following steps. The network device establishes a connection with a main routing device to construct a mesh network. The network device is a sub-routing device of the mesh network. The network device receives a VPN configuration from the main routing device. The main routing device is a VPN server corresponding to the VPN configuration. The network device determines whether to be connected to Internet through the main routing device. In response to not being connected to the Internet through the main routing device, the network device determines to establish a VPN connection with the main routing device according to the VPN configuration.

Abstract: A circuit board device is adapted for inserting an expansion card with an electrical end and a locking part. The circuit board device includes a circuit board body, a slot, and a linkage structure located beside the slot. The linkage structure includes a connecting rod with a first end, a second, and an axis, a pressing part, and a fixing part. The pressing part is connected to the first end and deviates from the axis. The fixing part is located at the second end and has a hook, an elastic arm close to the slot and the hook, and a fixing member. The hook deviates from the axis and has a first slope facing away from the circuit board body. The fixing member extends from the spring arm towards the slot and includes a second slope facing away from the circuit board body and a third slope facing the hook.

Abstract: A clamping device, an electronic device, and a remote control method of the electronic device. The clamping device includes a clamping unit, a first communication unit, and a control unit. The clamping unit is suitable for clamping the electronic device. The first communication unit is suitable for pairing with a second communication unit of the electronic device. The control unit is coupled to the clamping unit and the first communication unit. When the clamping unit is switched from an off mode to an on mode, the control unit controls the first communication unit to pair with the second communication unit and sends a screen-off command to the second communication unit via the first communication unit after the pairing is completed. When the clamping unit is in a clamping mode, the control unit sends an application open command to the second communication unit via the first communication unit.

Abstract: A power management method for an electronic device is provided. The electronic device includes a processing unit with a core and configured to execute an application program and a functional element. The power management method includes the following steps: determining a maximum frame count per second of a scene; down-tuning a frequency setting value of the core; detecting an actual frame count per second of the scene; determining a change in power consumption of the processing unit and a temperature of the functional element when the actual frame count per second is equal to the maximum frame count per second; and down-tuning the frequency setting value when the power consumption does not increase and the temperature is lower than a preset temperature value, and restoring the frequency setting value when the power consumption increases or the temperature is higher than or equal to the preset temperature value.

Abstract: A camera module includes a frame, a camera body, an appearance component, and a transparent cover. The frame includes a first opening. The camera body is disposed in the frame and includes a lens. The first opening corresponds to and exposes the lens. The appearance component is disposed on the frame and includes a second opening corresponding to and exposing the lens and a framing portion protruding from a top surface of the appearance component and framing the second opening. The transparent cover is engaged with the framing portion and covers the lens.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE receives an uplink (UL) grant. The UL grant is indicative of a first Physical Uplink Shared Channel (PUSCH) transmission on a first Transmission/Reception Point (TRP) of a first cell. The UL grant is not indicative of a PUSCH transmission on a second TRP of the first cell. The UE transmits a Power Headroom Reporting (PHR) Medium Access Control (MAC) Control Element (CE). Based on the UL grant, the PHR MAC CE is indicative of a first power headroom (PH), associated with the first TRP, based on a real PUSCH transmission, and is indicative of a second PH, associated with the second TRP, based on a reference PUSCH transmission.

Abstract: An electronic device with a flash function and a driving method of a flash are provided. The electronic device includes a flash, an image sensor, and a processor. The flash has a red light source, a green light source, and a blue light source. The image sensor is configured to obtain a preview image of a current scene and outputting the raw data of the preview image. The processor obtains a red ratio value and a blue ratio value according to the current scene, and the processor determines the green brightness value, red brightness value and blue brightness value according to the red ratio value, the blue ratio value and an exposure sensitivity for obtaining the preview image. The processor drives the flash according to the calculated red brightness value, the calculated green brightness value, and the calculated blue brightness value.

Abstract: An electronic device is provided. The electronic device includes a first body with a base and a movable member, a second body, a lifting member, and a linkage mechanism. The movable member is located on an upper surface of the base and includes a first side and a second side. The first side is pivotally connected to the base. The second body is pivotally connected to the second side by using a first rotary shaft. The lifting member is pivotally connected to the movable member by using a second rotary shaft. The linkage mechanism is disposed on the movable member, is linked to the second body by using the first rotary shaft, and drives the lifting member to rotate by using the second rotary shaft. When the second body is opened upward, an air outlet on a rear side of the first body is prevented from being covered.

Abstract: An electronic device includes a circuit board assembly and an expansion card assembly. The circuit board assembly includes a circuit board body, a first circuit board connection port, a second circuit board connection port, and a third circuit board connection port. The expansion card assembly is adapted for plugging in the circuit board assembly, and includes an expansion card body, a first expansion card connection port, and a second expansion card connection port. When the expansion card assembly is plugged in the circuit board assembly, the first expansion card connection port is docked with the first circuit board connection port, the second expansion card connection port is docked with the second circuit board connection port, and the third circuit board connection port is electrically connected to the expansion card body through the second circuit board connection port and the second expansion card connection port.

Abstract: An image capturing device and a zooming method for a depth-of-field image thereof are disclosed. The method is adapted to the image capturing device including a first lens module and a second lens module, and includes the following steps. In response to a photographing instruction, a first image and a second image are acquired respectively by using the first lens module and the second lens module. A digital zoom processing is respectively performed on the first image and the second image to generate a first zooming image and a second zooming image. A depth-of-field composite processing is performed according to the first zooming image and the second zooming image to generate a zooming depth-of-field image. The zooming depth-of-field image is recorded in a photo gallery.

Abstract: A method and device are disclosed for a remote User Equipment (UE) to support UE-to-Network relay communication. In one embodiment, the method includes the remote UE connecting with a relay UE. The method also includes the remote UE connecting with a first network node via the relay UE. The method further includes the remote UE receiving a first Radio Resource Control (RRC) message from the first network node via the relay UE, wherein the first RRC message includes a Cell Radio Network Temporary Identifier (C-RNTI) of the remote UE used for constructing authentication information.