Abstract: A neck-mounted power bank is suitable for being hung on a user's neck to supply power to an electronic device. The neck-mounted power bank includes a body, a battery, and a pair of adjustable assemblies. The battery is disposed in the body. The pair of adjustable assemblies are respectively connected to two ends of the body, and define a wearing space with the body. The pair of adjustable assemblies can be rotated relative to the body so as to adjust the size of the wearing space. Each of the pair of adjustable assemblies includes a rotate arm and an angle arm. The rotate arm is rotatably connected to a corresponding end of the body. The angle arm is connected to the rotate arm and has a contact surface. The contact surface is suitable for contacting the user's neck.

Abstract: A head-mounted display device includes a display, two brackets, two buckles, and a headband module. The display has two buckling parts respectively located on opposite sides of the display. The brackets are respectively pivotally connected to opposite sides of the display. The buckles are respectively pivotally connected to the brackets. When the buckles are buckled onto the buckling parts, an unfolding angle of each bracket is limited to be greater than a locked angle. When the unfolding angle of each bracket is greater than an unlocked angle, the buckles are separated from the buckling parts. The unlocked angle is greater than the locked angle. When the buckles are separated from the buckling parts, the unfolding angle of each bracket is smaller than the locked angle. Opposite sides of the headband module are respectively detachably assembled to an end of each bracket away from the display.

Abstract: A head mounted display device including a host, a first bracket and a second bracket is provided. The opposite sides of the host respectively have a first connection port and a second connection port. The first bracket is detachably and electrically connected to the first connection port. The second bracket is detachably connected to the second connection port.

Abstract: A hard disk bracket configured to be installed on a case includes a tray, a base, a handle, a pin, and a latch. The tray has an accommodating space. The base is connected to the tray. The handle is disposed in the base and has a first slide part detachably fastened with the base. The pin is disposed through the handle and the base. The latch is disposed in the base and is detachably fastened with the case. The latch is fastened with the handle and has a second slide part penetrating the handle for extending outside the base.

Abstract: A head mounted display device including a host, two brackets, and two rotating components is provided. The two brackets are respectively pivotally connected to opposite sides of the host. Each bracket includes a first segment and a second segment. The first segment is pivotally connected to the second segment, and the first segment is pivotally connected to the host. The two rotating components are respectively assembled to the first segment and the second segment of each bracket to control an angle between the first segment and the second segment.

Abstract: Pseudo resistor having an auto-tune function automatically calibrates resistance of the pseudo resistor and compensates for DC drift based on an output signal of an electrical circuit to which the pseudo resistor is coupled, as to mitigate signal phenomenon in the output signal caused by PVT variation. The pseudo resistor includes first transistor, second transistor, and adder. The first terminal of the second transistor is coupled to the first terminal of the first transistor and forms a first common node. The control terminal of the first transistor is coupled to the control terminal of the second transistor and forms second common node. The adder is coupled between the first and second common nodes and configured to receive adjustment voltage for generating a bias voltage for controlling the first and second transistors, where the adjustment voltage corresponds to the output signal coupled to the second terminal of the second transistor.

Abstract: A head-mounted display device includes a display, two brackets, two buckles, and a headband module. The display has two buckling parts respectively located on opposite sides of the display. The brackets are respectively pivotally connected to opposite sides of the display. The buckles are respectively pivotally connected to the brackets. When the buckles are buckled onto the buckling parts, an unfolding angle of each bracket is limited to be greater than a locked angle. When the unfolding angle of each bracket is greater than an unlocked angle, the buckles are separated from the buckling parts. The unlocked angle is greater than the locked angle. When the buckles are separated from the buckling parts, the unfolding angle of each bracket is smaller than the locked angle. Opposite sides of the headband module are respectively detachably assembled to an end of each bracket away from the display.

Abstract: A glasses type display device including a front end assembly and a pair of legs is provided. Each of the pair of legs includes a front segment, a rear segment, a torsion mechanism, and a rotation mechanism. The torsion mechanism is disposed between the front end assembly and the front segment. The rotation mechanism is disposed between the front segment and the rear segment.

Abstract: Pseudo resistor having an auto-tune function automatically calibrates resistance of the pseudo resistor and compensates for DC drift based on an output signal of an electrical circuit to which the pseudo resistor is coupled, as to mitigate signal phenomenon in the output signal caused by PVT variation. The pseudo resistor includes first transistor, second transistor, and adder. The first terminal of the second transistor is coupled to the first terminal of the first transistor and forms a first common node. The control terminal of the first transistor is coupled to the control terminal of the second transistor and forms second common node. The adder is coupled between the first and second common nodes and configured to receive adjustment voltage for generating a bias voltage for controlling the first and second transistors, where the adjustment voltage corresponds to the output signal coupled to the second terminal of the second transistor.

Abstract: A package component includes a first substrate and a first conductive layer. The first substrate has a first surface and a second surface opposite to the first surface. The first conductive layer is disposed over the first surface of the first substrate. The first conductive layer includes a first conductive feature and a second conductive feature over the first conductive feature. The second conductive features covers a portion of the first conductive feature. A resistance of the second conductive feature is lower than a resistance of the second conductive feature. The first substrate includes a single-sided or a double-sided copper-clad laminate.

Abstract: An antenna base and an antenna set. The antenna set includes a host and the antenna base. The host is fixed with a plurality of first connectors. The host is detachably assembled to the antenna base. The antenna base includes a body, a plurality of antennas and a plurality of second connectors. The antenna is installed at the body. The second connectors are electrically connected to the antennas. The assembling of the host and the body and the electrical and structural connection of the first connector and the second connector are completed in the same time.

Abstract: A hard disk bracket configured to be installed on a case includes a tray, a base, a handle, a pin, and a latch. The tray has an accommodating space. The base is connected to the tray. The handle is disposed in the base and has a first slide part detachably fastened with the base. The pin is disposed through the handle and the base. The latch is disposed in the base and is detachably fastened with the case. The latch is fastened with the handle and has a second slide part penetrating the handle for extending outside the base.

Abstract: A package component and forming method thereof are provided. The package component includes a substrate and a conductive layer. The substrate includes a first surface. The conductive layer is disposed over the first surface. The conductive layer includes a first conductive feature and a second conductive feature. The second conductive feature covers a portion of the first conductive feature. A resistance of the second conductive feature is lower than a resistance of the first conductive feature.

Abstract: A head mounted display device including a host, a first bracket and a second bracket is provided. The opposite sides of the host respectively have a first connection port and a second connection port. The first bracket is detachably and electrically connected to the first connection port. The second bracket is detachably connected to the second connection port.

Abstract: A head-mounted display device includes a body, two adjustment rings, and a face gasket. The body has two zoom lens groups corresponding to both eyes. The two adjustment rings are used to be detachably assembled to the corresponding zoom lens group, respectively. The face gasket is used to be detachably assembled to the body and used to contact a user's face. The face gasket has two adjustment knobs. Each of the adjustment knobs is used to couple the corresponding adjustment ring and rotate the corresponding zoom lens group for zooming, and a part of the each of the adjustment knobs is exposed to the outside for the user to manipulate.

Abstract: A head mounted display device including a host, two brackets, and two rotating components is provided. The two brackets are respectively pivotally connected to opposite sides of the host. Each bracket includes a first segment and a second segment. The first segment is pivotally connected to the second segment, and the first segment is pivotally connected to the host. The two rotating components are respectively assembled to the first segment and the second segment of each bracket to control an angle between the first segment and the second segment.

Abstract: A package component and forming method thereof are provided. The package component includes a substrate and a conductive layer. The substrate includes a first surface. The conductive layer is disposed over the first surface. The conductive layer includes a first conductive feature and a second conductive feature. The second conductive feature covers a portion of the first conductive feature. A resistance of the second conductive feature is lower than a resistance of the first conductive feature.

Abstract: An Internet of Things (IoT) system includes an application server, an identification information server, a gateway, and a terminal electronic device. The identification information server is configured to generate a plurality of pieces of first identification information, and each piece of first identification information is time-sensitive. The gateway is connected to the application server and stores the pieces of first identification information. The gateway is configured to automatically determine a piece of valid identification information from the pieces of first identification information. The terminal electronic device stores the pieces of first identification information and is configured to automatically and successively select a piece of current identification information from the pieces of first identification information to establish a connection with the gateway.

Abstract: A neck-mounted power bank is suitable for being hung on a user's neck to supply power to an electronic device. The neck-mounted power bank includes a body, a battery, and a pair of adjustable assemblies. The battery is disposed in the body. The pair of adjustable assemblies are respectively connected to two ends of the body, and define a wearing space with the body. The pair of adjustable assemblies can be rotated relative to the body so as to adjust the size of the wearing space. Each of the pair of adjustable assemblies includes a rotate arm and an angle arm. The rotate arm is rotatably connected to a corresponding end of the body. The angle arm is connected to the rotate arm and has a contact surface. The contact surface is suitable for contacting the user's neck.

Abstract: A neck-mounted power bank includes a neck-mounted portion, a first body and a second body. The first body is connected to an end of the neck-mounted portion. The second body is connected to another end of the neck-mounted portion. The neck-mounted portion, the first body and the second body define a wearing space. The first body includes a first tray and a first controller. The first tray is connected to the neck-mounted portion. The first controller is detachable and electrically connected to the first tray, and has a first controller battery. When the first controller is installed and electrically connected to the first tray, the first controller battery can supply power to an electronic device through the first tray. When the first controller is detached from the first tray, the first controller can control the electronic device wirelessly.