Abstract: A hot plugging type power module including a circuit board, a main battery, an assistant battery, a main control unit, and a detection unit is provided. The main battery is demountably disposed at the circuit board and coupled to the main control unit. The assistant battery is disposed at the circuit board. The main control unit is disposed at the circuit board and selectively and electrically connected to the main battery and the assistant battery. The main control unit detects a capacity of the main battery and the assistant battery. The detection unit is disposed at the circuit board and coupled to the main control unit and the main battery and is adapted for detecting a relative position between the main battery and the circuit board.

Abstract: An electronic device including a casing, a circuit board, a bracket, an antenna, and a protective member is provided. The casing has an accommodating space and a hole communicating with the accommodating space. The circuit board is disposed in the accommodating space. The bracket is disposed above the circuit board, and at least part of the bracket is located in the accommodating space and the hole. At least part of the antenna is disposed on a portion of the bracket extending out of the accommodating space. The protective member is disposed on at least one surface of the casing and covers the hole, the bracket, and the antenna.

Abstract: An extension device, including a connecting base and an anti-theft lock assembly, is provided. The connecting base includes a housing, a first moving member, a fixed member, and a second moving member. The fixed member is disposed at one side of the housing and includes a lock hole. The second moving member is movably disposed between the first moving member and the fixed member. The anti-theft lock assembly is detachably disposed at one side of the fixed member opposite to the second moving member. The anti-theft lock assembly is adapted to pass through the lock hole of the fixed member and push against the second moving member, so that the second moving member abuts against the first moving member to stop the first moving member at a buckling position. In addition, an electronic system, including the extension device, is also provided.

Abstract: A rotary device includes a rotatable member and a limiting member. The rotatable member includes a positioning mechanism, the positioning mechanism includes a stopping member and a positioning member. When the rotatable member rotates along a first rotation direction to make the limiting member abut against the positioning member, the positioning member is pushed by the limiting member to move away from the stopping portion and rotate relative to the stopping member, so that the positioning member to passes through the limiting member. When the rotatable member rotates along a second rotation direction opposite to the first rotation direction to make the limiting member abut against the positioning member, the positioning member is pushed by the limiting member to move close to the stopping portion, so that the positioning member is stopped between the limiting member and the stopping portion, to position the rotatable member.

Abstract: A multi-body device includes a first machine body, a second machine body, a rotating member, a first magnetic member, a second magnetic member, and a stopper. The second machine body is pivoted to a pivot side of the first machine body. The rotating member is pivoted to the pivot side of the first machine body and located beside the second machine body. The first magnetic member is disposed at the second machine body. The second magnetic member is disposed at a portion of the rotating member corresponding to the first magnetic member. Two corresponding ends of the first magnetic member and the second magnetic member are magnetically repulsive to each other. The stopper is driven by the second machine body and disposed at the pivot side of the first machine body, so as to stretch into or retreat from a rotation path of the rotating member.

Abstract: A clamping device includes a first, a second clamping member, a first, a second connecting rod, and an elastic member. The first clamping member includes a first side and a second side opposite to each other. The second clamping member includes a third side and a fourth side opposite to each other. The first connecting rod is pivotally disposed between the first side and the third side. The second connecting rod is pivotally disposed between the second side and the fourth side. The elastic member is connected between the third side and the first connecting rod. The elastic member provides a restoring force to make the first connecting rod rotate relative to the second clamping member, to drive the second connecting rod and the first clamping member to rotate, so that a distance between the first and the second clamping member is shortened to clamp an object.

Abstract: A fan module including a casing and multiple fans is provided. The casing includes a frame having multiple accommodation slots, a hinge element, and a cover. The cover is pivotally connected to an outlet side of the frame through the hinge element to rotate around the frame for exposing or covering at least one of the accommodation slots. The fans are disposed in the accommodation slots. When at least one of the fans is taken out of the casing and the rest of the fans are still operating, the cover covers at least one of the accommodation slots to avoid airflow leakage.

Abstract: The disclosure provides a distance detection method and a distance detection system. The distance detection method includes: capturing multiple image frames at multiple timing points based on a field of view, in which the field of view includes an object, and each image frame includes a pixel corresponding to the object; obtaining a first and a second modulation presented by the pixel at the timing points; finding a first specific light-emitting unit and a second specific light-emitting unit based on the first modulation and the second modulation, respectively; and estimating a specific distance between the distance detection system and the object based on the first specific light-emitting unit and the second specific light-emitting unit.

Abstract: A notebook computer which includes a screen base, a keyboard base and a fastening structure is disclosed. The screen base includes a screen body slot, a first surface and a second surface. The screen body slot passes through the first surface and the second surface. The screen body slot includes two protrusion units. The keyboard base includes a hook, and the screen body is capable of rotating relative to the keyboard base. The fastening structure includes a fastener and a plurality of positioning units. The fastener includes a first fastening slot, a second fastening slot, a first side slot and a second side slot. Each protrusion unit is contained movably in the first side slot and the second side slot, respectively, such that the fastener is capable of moving in the screen body slot.

Abstract: A clamping device includes first and second clamping components and at least one elastic component. The first and second clamping components include first and second rear portions and first and second front portions pivoted to each other respectively. The first and second rear portions are pivoted to each other. The elastic component connects the first and second clamping components. The first and second clamping components rotate, with respect to each other, to a first state due to an elastic force of the elastic component so that the first and second front portions have a first distance. When the first and second clamping components are subject to a force, the first and second clamping components resist the elastic force of the elastic component and rotate, with respect to each other, to a second state so that the first and second front portions have a second distance greater than the first distance.

Abstract: An antenna structure includes a first main radiator, a second main radiator and a frequency adjustment radiator. The first main radiator is adapted to resonate in a first frequency band and a second frequency band, and includes a first section, a second section, a third section and a fourth section sequentially connected. The first section has a feed-in end, and the fourth section has a grounding end. The second section and the third section is connected in bent manner, a first slit is provided between the second section and the third section for adjusting impedance matching of the second frequency band. The second main radiator extending from the feed-in end is adapted to resonate in third frequency band and a fourth frequency band. The frequency adjustment radiator is connected to the third section and is adapted to adjust a resonant frequency point of the first frequency band.

Abstract: The present disclosure discloses a portable electronic device including a primary display panel, a keyboard module, a secondary display panel, and a support plate. The primary display panel includes a first pivot and a second pivot. The first pivot and the second pivot are disposed at the primary display panel. The keyboard module faces the primary display panel and includes a third pivot. One side of the secondary display panel is connected to the first pivot, and another side is a free side. The secondary display panel is flipped through the first pivot to be overlapped on an upper surface of the keyboard module or to abut against the upper surface at the free side. The support plate is flipped through the second pivot and the third pivot to be overlapped on the bottom surface of the primary display panel or to support the primary display panel.

Abstract: The application discloses a data analysis system and a data analysis method. The data analysis system includes a data provider host and a data analysis host. The data provider host is configured to perform a stream cipher algorithm based on raw data to obtain first data. The data analysis host is configured to perform a data analysis based on the first data to obtain an analysis result. The data provider host or the data analysis host is further configured to perform a block cipher algorithm based on the analysis result to obtain second data, and send the second data to an external device. The data provider host is further configured to calculate an attribute-value correspondence between the raw data and the second data, and send the attribute-value correspondence to the external device.

Abstract: The present disclosure provides a modem and a communication method. The modem includes a processor. The processor scans a first network channel of a plurality of network channels provided by the modem. The processor enters an idle scan time period and performs a packet forwarding operation during the idle scan period upon completion of scanning the first network channel. The processor scans a second network channel of the plurality of the network channels after the scanning idle period.

Abstract: A smart doorbell system includes a doorbell switch, an input device, a chime circuit, and a ring circuit. A chime circuit includes a power connection terminal and a first rectifier circuit and a second rectifier circuit coupled to the power connection terminal and connected in parallel. The power connection terminal receives an alternating current including a first direction current and a second direction current that alternate. The input device is coupled to the chime circuit and generates a control signal. The control signal controls one of the first and second direction currents to pass through a corresponding one of the first and second rectifier circuits. The doorbell switch is coupled to the chime circuit and the ring circuit. A trigger signal is generated through the other one of the first and second direction currents when the doorbell switch is pressed, such that the ring circuit produces a ringing sound.

Abstract: An antenna structure includes a ground, a first patch, a second patch, a first conductive post, and a second conductive post. The first patch is spaced apart from the ground. The first patch includes a circular slit, a main patch portion and a circular portion. The circular portion and the circular slit surround the main patch portion, and the circular slit is located between the main patch portion and the circular portion. The second patch is disposed between and spaced apart from the ground and the main patch portion. A dimension of the second patch is less than a dimension of the main patch portion. One end of the first conductive post is connected to the second patch. Another end of the first conductive post passes through the ground and is coupled to a signal feeding end. The circular portion is connected to the ground through the second conductive post.

Abstract: An electronic device includes a casing, a circuit board and at least one antenna module. The casing has an accommodating space and an inner side wall surrounding the accommodating space. The circuit board is disposed in the accommodating space. Each of the antenna modules includes a first radiator and a second radiator. The first radiator is disposed on the circuit board and adjacent to the inner side wall, and includes a first section, a second section and a third section extending from the first section in opposite directions respectively. The first section includes a feeding end, and the third section includes a grounding end. The second radiator is disposed on the inner side wall. A coupling gap is formed between the first radiator and the second radiator.

Abstract: A circuit board includes a substrate, a plurality of electronic components disposed on the substrate, and at least one cable management structure. The substrate is provided with a first surface and a second surface. The first surface and the second surface are correspondingly disposed. The cable management structure is used for limiting a configuration direction of at least one cable. The cable management structure includes at least one cable management column and at least one cable collection member. The cable management column is disposed on the first surface of the substrate. The cable collection member is disposed at an edge of the substrate, and the cable management column is located beside the cable collection member. The cable is capable of bypassing the cable management column and passing through the cable collection member from the edge of the substrate to the second surface, to achieve cable management and positioning effects.

Abstract: A multi-target vital sign detection system includes a transmitter, a receiver and a processor. The transmitter is configured to transmit a millimeter wave signal to a detection area, and the receiver is configured to receive a reflecting millimeter wave signal reflected by a plurality of targets in the detection area. The processor is configured to: generate signal strength versus distance data by analyzing the received reflecting millimeter wave signal; perform an extreme value reserving process to generate signal extreme value versus distance data; perform a peak search algorithm to obtain a peak list including a plurality of peak values and a plurality of corresponding peak distances; generate a distance array including a plurality of distance variables; and perform a vital sign detection algorithm to generate multiple sets of vital sign data.

Abstract: An antenna device is disclosed. The antenna device includes a first metal ground plate, a first field adjustment plate, a second field adjustment plate, a first antenna unit, and a first signal feed source. The first field adjustment plate is connected to a first side of the first metal ground plate, in which the first field adjustment plate and the first metal ground plate form a first angle. The second field adjustment plate is connected to a second side of the first metal ground plate, in which the second field adjustment plate and the first metal ground plate form a second angle. The first antenna unit is connected to the first metal ground plate. The first signal feed source is configured to input a first signal to the first antenna unit.