Abstract: A power conversion circuit including a first input circuit, a second input circuit, a linear regulator, a switch, and a switch control circuit is provided. The first input circuit receives a first input voltage through a first input terminal. The second input circuit receives a second input voltage through a second input terminal. The first input voltage is higher than the second input voltage. The linear regulator receives the first or the second input voltage to generate an output voltage. The switch has a first terminal coupled to the first input circuit and a second terminal coupled to the second input circuit and the linear regulator. The switch control circuit outputs a control signal to open the switch after receiving the second input voltage that has reached a predetermined level, so that the linear regulator generates the output voltage according to the second input voltage.

Abstract: An antenna structure includes a grounding radiation element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a carrier element. The grounding radiation element is coupled to a grounding point. The first radiation element is coupled to a feeding point. The second radiation element is coupled to the feeding point. A first angle is formed between the first radiation element and the second radiation element. The third radiation element is coupled to the first radiation element. A second angle is formed between the first radiation element and the third radiation element. The fourth radiation element is coupled to the second radiation element. A third angle is formed between the second radiation element and the fourth radiation element.

Abstract: A voltage comparison circuit is provided. The voltage comparison circuit includes a voltage comparator, a voltage control circuit, and a reference voltage variable circuit. The voltage comparator compares an input voltage and a reference voltage, and outputs a first output voltage corresponding to the comparison result. The voltage control circuit receives the first output voltage and generates a second output voltage. The reference voltage variable circuit receives the second output voltage, and outputs the corresponding reference voltage to the voltage comparator. When the input voltage is greater or equal to the reference voltage, the first output voltage becomes zero, the second output voltage becomes a supply voltage, and the reference voltage becomes the maximum reference voltage. When the input voltage is smaller than the reference voltage, the first output voltage becomes the supply voltage, the second output voltage becomes zero, and the reference voltage becomes the minimum reference voltage.

Abstract: A power supply over-voltage protection (OVP) system includes a transistor having a source terminal configured to connect to a power supply output terminal of a power supply. The transistor has a drain terminal configured to connect to a system load, and a body diode forward voltage drop. The power supply OVP system further includes a low voltage monitor circuit connected between the source terminal and a gate terminal of the transistor, and a high voltage monitor circuit connected to the source terminal and configured to be connected to a control circuit within the power supply. The low voltage monitor circuit is configured to monitor a source voltage at the source terminal and provide a gate control signal to the gate terminal. The high voltage monitor circuit is configured to monitor the source voltage at the source terminal and provide a power supply control signal to the power supply.

Abstract: An optical input/output tray for management of optical fibers installed in a switch assembly is disclosed. The switch assembly has a co-packaged optics module with an optical data signal input and a laser input, and a front panel. The optical input/output tray includes a housing insertable in the switch assembly. A first set of adapters are connectable to the co-packaged optics module. A second set of adapters is connectable to the front panel. WDM components convert a plurality of multi-wavelength signals from the first set of adapters to a single multiplexed signal coupled to the second set of adapters. The WDM components converts a single multiplexed signal from the second set of adapters to multi-wavelength signals coupled to the first set of adapters. A fiber management structure in the housing communicates optical signals between the first set of adapters, the WDM components, and the second set of adapters.

Abstract: A self-aligning connector for a computing system includes a case and a fluid pipe. The case has a pipe channel that extends internally, along a radial axis, between a case entry side and a case exit side. The fluid pipe is movably mounted within the pipe channel, separated from an internal surface of the pipe channel by a floating space. The fluid pipe is rotatably and linearly movable within the floating space, and includes a pipe entry side, a pipe exit side, and an internal channel for receiving a liquid coolant. The internal channel extends along the radial axis between a pipe entry end and a pipe exit end. The fluid pipe further has a tilt area that is located between the pipe entry side and the pipe exit side, and that is configured to rotatably adjust the fluid pipe relative to the case.

Abstract: The present disclosure provides an adapter bracket, which includes a first portion, a second portion and a third portion. The first portion includes a protruding portion extending from a first bottom surface of the first portion in a direction perpendicular to the first bottom surface. The second portion, has an elevation with respect to the first bottom surface of the first portion. The second portion comprising a first hole. The third portion extends between the first portion and the second portion.

Abstract: A smart battery temperature compensation method includes detecting a battery temperature of a battery device in an electronic device; determining whether a difference between the battery temperature of the battery device and a simulated battery temperature is within a tolerance value; and when it is determined that the difference between the battery temperature of the battery device and the simulated battery temperature is not within the tolerance value, a multi-level cooling operation is performed until the difference between the battery temperature of the battery device and the simulated battery temperature is within the tolerance value.

Abstract: A control system for a computing device includes a control device configured to be communicatively coupled to an external network; a first actuator coupled to the control device, the first actuator being electronically operable by the control device in response to commands received by the control device via the external network; a second actuator manually operable by a local user; and a linkage system coupled to the first actuator and the second actuator. Both the first actuator and the second actuator are operable to move the linkage system from a first position to a second position to physically engage an external interface of the computing device.

Abstract: An augmented reality glasses device and its optical display system are provided. The optical display system includes a light projection lens assembly and a light projection optical engine. The light projection optical engine includes a first display module used for outputting a first light image including only a specific color light, a second display module used for outputting a second light image without the specific color light, and an optical component. The optical component is located between the light projection lens assembly and the second display module, and optically connected to the first display module and the second display module respectively so as to allow the first light image traveling in a first direction to be redirected to the light projection lens assembly, and the second light image traveling and passing through in a second direction to the light projection lens assembly.

Abstract: An antenna structure includes a feeding radiation element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a sixth radiation element. The first radiation element is coupled to the feeding radiation element. The second radiation element is coupled to the feeding radiation element. The first radiation element and the second radiation element substantially extend in opposite directions. The third radiation element is coupled to a first grounding point. The fourth radiation element is coupled to the third radiation element. Both the third radiation element and the fourth radiation element are adjacent to the second radiation element. The fifth radiation element is coupled to a second grounding point. The fifth radiation element is adjacent to the first radiation element. The sixth radiation element is coupled to a third grounding point.

Abstract: A computing system is disclosed. The computing system includes a system chassis configured to perform as a heatsink; a printed circuit board (PCB) enclosed within the system chassis; a central processing unit (CPU) mounted on the PCB within the system chassis; a film heater enclosed within the system chassis, the film heater being configured to generate heat for maintaining the CPU within an operable temperature range; and a heat spreader mounted between the CPU and the film heater. The heat spreader is configured to conduct the heat from the film heater to the CPU without affecting the layout of the PCB.

Abstract: An adjustable bracket configured to enclose a power supply unit is disclosed. The adjustable bracket includes a board bracket, a movable part coupled to the board bracket, a fixed part, and a handle fixedly coupled to the movable part. The fixed part has a first slit that is generally parallel to a second slit. The handle includes an upper part, a first protrusion, and a second protrusion. The first protrusion extends from a first end of the upper part, and the second protrusion extends from a second end of the upper part. The first protrusion is inserted through the first slit, and the second protrusion is inserted through the second slit. The movable part is movably coupled to the fixed part via the handle. The adjustable bracket is placed in one of a plurality of configurations. In response to pressing the upper part of the handle, the movable part is movable.

Abstract: A supporting assembly for an outdoor computing system is disclosed. The supporting assembly includes a holder having a base from which a peripheral wall extends and a foldable unit mechanically attached to the holder within the peripheral wall. The foldable unit has a first side, a second side connected to the first side and movable relative to the first side, and a third side connected to the first side and movable relative to the first side. The supporting assembly further includes a plurality of springs including a first spring and a second spring, the first spring being attached between the first side and the second side, the second spring being attached between the first side and the third side. The foldable unit is configured to change between an open configuration and a closed configuration, the foldable unit being maintained in the open configuration solely by the plurality of springs.

Abstract: A fabric-over-foam (FOF) gasket assembly includes a foam core having a shaped suited for sealing a gap in a structure of the computing device. The foam core has a base surface and a sealing surface. The FOF gasket assembly further includes an electrically conductive fabric wrapped around the foam core, and a conductive adhesive attached to the base surface. The conductive adhesive includes a release coat layer for attaching the conductive adhesive to the base surface of the foam core, a carrier layer attached to the release coat layer, and a release paper layer removably attached to the carrier layer. The carrier layer includes a polyethylene terephthalate (PET) layer forming a structural base of the threads, an inner layer of a copper material, and an outer layer of a nickel material.

Abstract: An image processing device is provided in the invention. The image processing device may include a photographing device and a calculation circuit. The photographing device may photograph an object which is illuminated by a structured light to generate a structured-light image. The calculation circuit may perform a grayscale process on the structured-light image to generate a grayscale image. The calculation circuit may perform a binarization process on the grayscale image to generate a binarization image. The calculation circuit may generate a curvature image corresponding to the structured-light image according to the binarization image.

Abstract: An electronic device includes a housing, a camera module and an insulating sleeve. The housing includes an installation opening and an internal space connected to the installation opening. The camera module is located within the installation opening and the internal space and exposed from the installation opening. The insulating sleeve is surroundingly covered an outer surface of the camera module and located between the camera module and the housing for blocking a communication between the internal space and the installation opening.

Abstract: A counterweight fixture for simulating weight of a computing device includes at least one counterweight block, a base, and at least one magnet. The counterweight block is configured to be placed on and secured to the base. The base includes a bottom and at least one wall extending from the bottom. The bottom of the base forms at least one opening on an opposite side of the at least one wall. The at least one magnet is securely embedded in a respective one of the at least one opening of the bottom of the base.

Abstract: Guide holders for engaging a motherboard lower sled with an input-output upper sled stacked thereon within an electronic chassis, are disclosed. The electronic chassis includes a motherboard lower sled having a housing having a first sidewall and a second sidewall opposite to the first sidewall, a first guide holder and a second guide holder. The first guide holder is coupled to the first sidewall and includes a first plurality of slots for directing motion of a first plurality of guide pins of an input-output upper sled in a predetermined direction. The second guide holder is coupled to the second sidewall and includes a second plurality of slots for directing motion of a second plurality of guide pins of the input-output upper sled in the predetermined direction. The motion of the first plurality of guide pins and the second plurality of guide pins, upon completion, locks the input-output upper sled to the motherboard lower sled.