Abstract: An electronic device coupled to a display includes a graphics card and a processor. The graphics card reads the extended display identification data from the display. The processor determines, according to the extended display identification data, that the display is able to display a default resolution at a first refresh rate at most, and determines, according to the extended display identification data, whether the display device is able to display the default resolution at a second refresh rate that exceeds the first refresh rate. When it is determined that the display is able to display the default resolution at the second refresh rate, the processor adds the second refresh rate into the extended display identification data.

Abstract: A key structure including a base, a light sensing module, a carrier, a magnetic member, a cap, and a scissor structure are provided. The light sensing module is disposed at the base. The carrier is located above the base. The magnetic member is disposed on the carrier. The cap is adapted to be assembled to the carrier via a magnetic attracting force of the magnetic member or adapted to be detached from the carrier via overcoming the magnetic attracting force of the magnetic member. The scissor structure is connected between the base and the carrier. The carrier and the cap disposed thereon move up and down relative to the base via the scissor structure. An orthogonal projection of the magnetic member on the base is not overlapped with an orthogonal projection of the light sensing module on the base. A keyboard is also provided.

Abstract: A battery module includes a plurality of battery cores, a plurality of metal sheets, a circuit board and a solder. The metal sheets are electrically connected to the battery cores. Each of the metal sheets includes a metal bump, and the metal bump has an upper surface. The circuit board is disposed on the metal sheets and has a plurality of openings. The openings respectively expose the metal bump of each of the metal sheets. The metal bump divides each of the openings into a first cavity and a second cavity. The solder covers the upper surface of the metal bump of each of the metal sheets and each of the openings. The solder fills the first cavity, and there is an air gap in the second cavity.

Abstract: A pick-and-place mechanism for a stylus, applicable for a portable electronic device, is provided. The portable electronic device has a housing. The pick-and-place mechanism for the stylus includes a moving member, a latch assembly, and a switch element. The moving member is movably disposed in the housing. The stylus is adapted to be inserted into the housing and locked with the moving member to move synchronously. The latch assembly is disposed in the housing and switches between a lock state and an unlock state. In the lock state, the latch assembly locks the stylus in the housing. In the unlock state, the latch assembly moves at least part of the stylus out of the housing. The switch element is electrically connected to the latch assembly to drive the latch assembly to switch between the lock state and the unlock state.

Abstract: A three-dimensional gesture detection device and a three-dimensional gesture detection method are provided. The three-dimensional gesture detection device includes a node detection unit, a gesture recognition model and a gesture trajectory detection unit. The node detection unit obtains several nodes according to each of the hand frames of a continuous hand image. The gesture recognition model obtains confidence levels of several gesture categories. The gesture trajectory detection unit includes a weight analyzer, a gesture analyzer, a key point classifier and a trajectory analyzer. The weight analyzer obtains weights of the gesture categories through a user interface. The gesture analyzer performs a weighting calculation on the confidence levels of the gesture categories to analyze a gesture on each of the hand frames. The key point classifier classifies several key points from the nodes. The trajectory analyzer obtains an inertial trajectory of the gesture according to the key points.

Abstract: A foldable electronic device, including a first body having a first shaft member, at least one second body having a second shaft member, and a latching member, is provided. The first shaft member and the second shaft member are coaxially pivoted together. The first shaft member has a recess. The second shaft member has a locking hole. The latching member is movably disposed in the recess and the locking hole, so that when the latching member leaves the locking hole, the first body and the second body are relatively pivoted through the first shaft member and the second shaft member, or when the latching member moves into the locking hole, the latching member interferes with the first shaft member and the second shaft member to block the first body and the second body from relatively pivoting.

Abstract: An electronic device including a hinge module, a first body, a second body, and a flexible display assembled to the first body and the second body is provided. Each of the first body and the second body is pivoted and slidably connected to the hinge module, and a cover of the hinge module is exposed out of the first body and the second body. The first body and the second body are rotated relatively via the hinge module to bend or flatten the flexible display, when the flexible display is bending from a flat state, a bending portion of the flexible display leans against the cover and pushes the cover away from the first body and the second body.

Abstract: A communication device for handling a reference signal (RS) reporting includes at least one storage device; and at least one processing circuit, coupled to the at least one storage device, wherein the at least one storage device stores instructions, and the at least one processing circuit is configured to execute the instructions of: receiving at least one reference signal (RS) from a network; performing at least one measurement according to the at least one RS, to generate at least one measurement result; selecting an RS from the at least one RS according to the at least one measurement result; and determining whether to report the RS to the network.

Abstract: A portable electronic apparatus with multiple screens includes a first screen and a second screen movably coupled to the first screen along an arcuate path to be received in the first screen or moved out of the first screen. The first screen and the second screen face a same side of the portable electronic apparatus. The second screen includes a base, a lifting mechanism disposed on the base, and a display unit. The display unit is disposed on the lifting mechanism to be driven by the lifting mechanism to be lifted or lowered relative to the base. When the second screen is moved out of the first screen and a step is provided between a display surface of the display unit and a display surface of the first screen, the display unit is adapted to be lifted relative to the base through the lifting mechanism to compensate the step.

Abstract: A stereoscopic display device and a display method thereof are provided. The stereoscopic display device includes a display panel, a lens array, an image sensor, and a processing circuit. The display panel displays a three-dimensional image. The lens array is disposed on a transmission path of the three-dimensional image. The image sensor acquires a sensed image of a viewing field of the display panel. The processing circuit is coupled to the lens array and the image sensor. The processing circuit calculates an actual eye position of a user in the viewing field according to reference coordinates of a reference position in the sensed image and eye coordinates of the user in the sensed image. The processing circuit adjusts a liquid crystal rotation angle of the lens array according to the actual eye position, so that a viewing position of the three-dimensional image matches the actual eye position.

Abstract: A portable electronic device including a first body, a second body, a first hinge connected to the first body, a second hinge connected to the second body, and a linking rod is provided. The linking rod has a first end and a second end opposite to each other, wherein the first end is pivoted to the first hinge eccentric to a rotation axis of the first hinge, and the second end is pivoted to the second hinge eccentric to a rotation axis of the second hinge. The first and the second bodies are rotated to be closed to or far away from each other by the first hinge, the second hinge, and the linking rod.

Abstract: A heat dissipation module used for an electronic device is provided. The electronic device has a heat source. The heat dissipation module includes an evaporator, a pipe, and a working fluid. The evaporator has a recess at an exterior surface of the evaporator, and the heat source is thermally contacted with the recess to transfer a heat generated from the heat source to the recess of the evaporator. The pipe is connected to an inner space of the evaporator and forms a loop. The working fluid is filled in the loop, wherein the working fluid in liquid passing through a portion of the inner space of the evaporator corresponding to the recess absorbs the heat and is transformed into vapor.

Abstract: An image processing apparatus for evaluating cardiac images and a ventricular status identification method are provided. In the method, a region of interest (ROI) is determined from multiple target images, a variation in grayscale values of multiple pixels in the ROIs of each target image is determined, and one or more representative images are obtained according to the variation in the grayscale values. The target image is related to the pixels within an endocardial contour of a left ventricle. A boundary of the ROI is approximately located at two sides of a bottom of the endocardial contour. The ROI corresponds to a mitral valve. The variation in the grayscale values is related to a motion of the mitral valve. The representative image is for evaluating a status of the left ventricle.

Abstract: A portable electronic apparatus including a first body, a second body, and a keyboard is provided. The second body is pivotally connected to the first body. The keyboard is disposed on the first body and includes a plurality of key structures. One of the key structures includes an elevating platform, a key cap, and a camera. The key cap is detachably mounted to the elevating platform, and the camera is mounted at one side of the key cap facing the elevating platform. After the camera is detached from the elevating platform together with the key cap, the camera is mounted and positioned to the second body together with the key cap, and at least a portion of the camera is exposed to the outside.

Abstract: An electronic device and a method for detecting abnormal device operation are provided. The method includes: obtaining multiple action events of a movable input device, and each action event including a relative coordinate and a time stamp of the movable input device; generating multiple absolute coordinates based on the relative coordinate of each action event; estimating multiple speed vectors based on the absolute coordinates and the time stamp of each action event; estimating multiple acceleration vectors based on the speed vectors and the time stamp of each action event; and estimating a probability of abnormal operation based on the speed vectors and the acceleration vectors.

Abstract: An intelligent zooming method and an electronic device using the same are provided. The intelligent zooming method includes the following steps. A text paragraph corresponding to the text is merged. The text paragraph is automatically arranged according to the text paragraph and a text magnification box. The text paragraph in the text magnification box is enlarged according to a text magnification ratio. A block group containing the block and other blocks connected thereto is merged. A block magnification ratio is adjusted according to the block group and a block magnification box. The block group in the block magnification box is enlarged according to the block magnification ratio. The picture is cropped to obtain an object. A picture magnification ratio is adjusted according to the object and a picture magnification box. The object in the picture magnification box is enlarged according to the picture magnification ratio.

Abstract: A 3D display system and a 3D display method are provided. The 3D display system includes a 3D display, a memory and one or more processors. The memory records a plurality of modules, and the processor accesses and executes the modules recorded by the memory. The modules include a bridge interface module and a 3D display service module. When an application is executed by the processor, the bridge interface module creates a virtual extend screen, and moves the application to the virtual extend screen. The bridge interface module obtains a 2D content frame of the application from the virtual extend screen by a screenshot function. The 3D display service module converts the 2D content frame into a 3D format frame by communicating with a third-party software development kit, and provides the 3D format frame to the 3D display for displaying.

Abstract: An electronic system includes a fan module, an embedded controller, a reference microphone, an error microphone, an active noise cancellation controller, and a micro speaker module. The reference microphone is configured to output a wide-band noise signal associated with the operation of the fan module. The error microphone is configured to output an error signal by detecting the noise level during the operation of the electronic system. According to the wide-band noise signal, the error signal and the fan information provided by the embedded controller, the active noise cancellation controller calculates the narrow-band noises and the wide-band noises generated by the fan module, and drives the micro speaker module accordingly for providing a noise cancellation signal. The error signal may be reduced to zero by adaptively adjusting the noise cancellation signal for canceling the noises generated during the operation of the electronic system.

Abstract: A flexible display device includes: first and second casings; a frame movably assembled to the second casing; and a flexible display having first and second ends opposite to each other and first and second display areas. The second casing is movably assembled to the first casing to form a drawer configuration and slide relative to the first casing to switch between drawn-out and retracted states. The first end is connected to the first casing. The second end to the frame. In the retracted state, the flexible display is bent so the second display area is contained in the first and second casings. In a process from the retracted state to the drawn-out state, the second casing is drawn out from the first casing and drives the frame to move in the same direction to expand and flatten the second display area. A portable electronic device is also provided.