Abstract: Determining if an input image is a foggy image includes determining an average luminance gray level of the input image, performing Sobel image processing on the input image to generate a Sobel image of the input image when the average luminance gray level of the input image is between a first image average luminance and a second image average luminance, determining a first normalization value and a second normalization value of the input image, determining a mean value and a standard deviation of the Sobel image when the first normalization value and the second normalization value are less than a first threshold value, and determining the input image as a foggy image when a sum of the mean value and the standard deviation is less than a second threshold value.

Abstract: An adjustment module is capable of adjusting a position of a lens of a projector. The adjustment module includes a base, a first tray, a second tray, at least one guide roller, and at least one boundary constrainer. The first tray is slidably disposed on the base along a first axis. The second tray is slidably disposed on the first tray along a second axis substantially perpendicular to the first axis. The lens is fixed on the second tray. The guide roller is rotatably disposed on the second tray. The boundary constrainer is disposed on the base. The guide roller is capable of confining the lens within an image area of the lens by rotatably contacting the boundary constrainer.

Abstract: The invention relates to modular hip joint prosthesis and an assembling method thereof. The modular hip joint prosthesis includes a stem component, a proximal body module and lock component. The proximal body module assembles with the stem component and includes a first curved surface component and a second curved surface, wherein the radius of curvature of the first curved surface component is different from the radius of curvature of the second curved surface component. The lock component is used to encase the first curved surface component and the second curved surface for locking up both components.

Abstract: A through silicon via structure includes a top pad and a vertical conductive post that is connected to the top pad. The top pad covers a wider area than the cross section of the vertical conductive post. An interconnect pad is formed at least partially below the top pad. An under layer is also formed at least partially below the top pad. At least one dummy structure connects the top pad and the under layer to fasten the top pad and the interconnect pad.

Abstract: A linked list traversal system identifies when a linked list has become inefficient, either through attack or an undue multiplicity of collisions. A data unit is parsed to extract a key. A first hash result associated with the key is calculated based on a first hash function. A first linked list is identified based on the first hash result. It is determined whether the first linked list has been compromised. A second hash result associated with the key is calculated based on a second hash function when the first linked list has been compromised. A second linked list is established based on the second hash result, where the second hash result is different from the first hash result.

Abstract: A flip-chip packaging assembly and integrated circuit device are disclosed. An exemplary flip-chip packaging assembly includes a first substrate; a second substrate; and joint structures disposed between the first substrate and the second substrate. Each joint structure comprises an interconnect post between the first substrate and the second substrate and a joint solder between the interconnect post and the second substrate, wherein the interconnect post exhibits a width and a first height. A pitch defines a distance between each joint structure. The first height is less than half the pitch.

Abstract: A displacement leaf spring and an artificial intervertebral disc containing the same, particularly about the artificial intervertebral disc using the displacement leaf spring to cushion axial compression, wherein the artificial intervertebral disc includes a displacement leaf spring and the displacement leaf spring further includes an upper plate, an inclined plate, and a lower plate. The upper plate has a first breach, and the inclined plate has a first connecting side which connects to one side of the first breach. There is an angle between the inclined plate and the upper plate. The inclined plate has a second breach, and the lower plate has a second connecting side which connects to one side of the second breach. There is an angle between the lower plate and the inclined plate, and the lower plate parallels the upper plate. The artificial intervertebral disc equipped with the displacement leaf spring further comprises a top plate, a bottom plate, a core structure, and a socket structure.

Abstract: The present invention provides a spinal implant for stabilizing adjacent vertebrae of a patient, comprising (i) two or more cages; and (ii) a support which is returnable from a constrained linear shape to an expanded shape and affixed to each of the two or more cages, said implant having a first configuration to arrange the cages in order when the support is in the constrained linear shape, and a second configuration that gives a transformed arrangement of the cages to define a plane by the cages and the support when the support is in the expanded shape. Also provided are a surgical instrument set and a method for implanting a spinal implant to a disc space of a patient.

Abstract: A control circuit and method are proposed to generate a control signal to operate a buck-boost power stage of a buck-boost power converter to convert an input voltage to an output voltage. The control circuit and method detect the output voltage to generate an error signal, control the frequency of two ramp signals according to the error signal, generate two pulse width modulation signals according to the error signal and the two ramp signals, and generate the control signal according to the two pulse width modulation signals. When the loading of the buck-boost power converter transits from heavy to light, the frequency of the two ramp signals is decreased to improve the efficiency of the buck-boost power converter. The peaks and valleys of the two ramp signals may be adjusted by signals related to the input voltage and the output voltage.

Abstract: A method and a system for converting the service types of the devices connected to a control gateway are provided. The system includes a server, an open platform, a control gateway and devices connected to the control gateway. Wherein, the device possesses device description information and is operated in a first device service type; the control gateway is electrically coupled between the open platform and the device, holds or obtains the device description information of the device and delivers the device description information to the open platform; the server provides a plurality of device service contents. The open platform further according to the device description information obtains the device service content corresponding to the device from the server and registers the device service content in the open platform.

Abstract: A housing comprises a first outer shell, a second outer shell; and a hook configuration configured for assembling the first outer shell on the second outer shell. The hook configuration comprises two clasp units set in the first outer shell. Each of the two clasp units comprises a first clasp body and a first magnet. Two hook units are set in the second outer shell. Each of the two hook units comprises a first hook and a second magnet.

Abstract: The present invention discloses an insertion apparatus for aligning cage of intervertebral fusion comprising a dilatation set having a first and a second dilatation barrel formed with corresponding cross-sections and sleeved in series; a guiding set having a first and a second guiding tube inserted in the respective dilatation barrels, a guiding hole disposed adjacent to one end of the second guiding tube, a smooth curved surface inside the guiding hole communicated with a shaft hole disposed in the second guiding tube; an insert set having a leading rod inserted in the second guiding tube, a push rod pivoted at the leading rod; and a fusion cage disposed in the second guiding tube, an arc portion of the fusion cage passed through the second guiding tube along the smooth curved surface and the guiding hole, so as to shorten surgery time and position the fusion cage more exactly.

Abstract: A cover latching assembly (60) for a portable electronic device (100) is provided. The portable electronic device includes a housing (10) and a cover (20) configured for attaching to the housing. The cover has a latching portion (26) formed thereon. The cover latching assembly includes a button (30) and an elastic member (40). The button includes a recessed portion (344), and the button is slidably secured on the housing. The elastic member enables the latching portion of the cover to engage with the recessed portion of the button.

Abstract: A power circuit for a power amplifier which operates in an inactive period and an active period is provided and includes a power supply unit, a current limiting unit, a storage unit, and a converting unit. The power supply unit provides a first current. The current limiting unit is arranged to process the first current to generate a second current. The storage unit is arranged to provide a storage voltage. The storage unit is charged by the second current during the inactive period and discharged by a third current during the active period. The converting unit provides an active power to the power amplifier according to the storage voltage, the second current, and the third current during the active period.

Abstract: The present invention discloses a graft attachment device for cruciate ligament reconstruction comprises a body having a screw portion with a threading area on the front end of the body, a connection member disposed on the front end, a gap formed between the front end and a predetermined portion of the body adapted for a rope-type member pass through, a pivoting member pivoted on the rear end of the body with its front end, the rear end of the pivoting member having a juncture portion for fixing a ligament, thereby the device could be screwed and fixed on a bone when rotating the device, and seamed a ligament on the rear end of the device.

Abstract: An anti-subsidence dynamic hip screw comprises of a barrel having a connection portion and a tube-type extending portion angled a predetermined angle with the connection portion, and a first long groove and a first limit portion disposed at the inner wall of the extending portion respectively; a lag screw having an inside end disposed threading screw at its outer edge and a outside end with a predetermined length passed through in the extending portion by the way of reciprocation; a second long groove and a second limit portion disposed at the lag screw respectively related to the first long groove and the first limit portion, each first limit portion and second limit portion used for preventing the lag screw from rotating inside the extending portion; a blade piece with a predetermined length simultaneously passed through and retained in the first long groove and the related second long groove; a compressing screw having an inside end screwed with the outside end of the lag screw and an outside end retained

Abstract: A digital Class-D amplifier distortion suppression circuit design is disclosed. A distortion suppression feedback loop is described to improve audio performance by suppressing output stage non-linearity and improving power supply noise rejection achieving reduced THD+N. The feedback loop is placed around the power stage. It forces tracking between the audio band signals at the input and output of the power stage by automatically adjusting the gating signal timing based on sensed effective duty ratio error. Error sensing and compensation are performed using techniques that lend to simple circuit implementation.

Abstract: A leak-proof LED (Light Emitting Diode) base structure includes a ceramic substrate and a ceramic reflection ring. The ceramic reflection ring is coupled to the ceramic substrate by a heat-resistant epoxy resin to prevent encapsulant filled in an LED base from flowing out through a junction between the ceramic reflection ring and the ceramic substrate. A groove for receiving an overflow of the heat-resistant epoxy resin is formed on a coupling surface of the ceramic reflection ring. The ceramic reflection ring has a polished reflecting surface for reflecting light emitted by an LED die so as to increase luminosity of the light emitted by the LED. A lens positioning portion is formed on the top of the polished reflecting surface for allowing a lens to be precisely aligned with the ceramic reflection ring, enhancing preciseness of lens assembly, and improving resultant optical configuration of the light emitted by the LED.

Abstract: Described herein are nucleic acid modules for cloning, expression and tagging of eukaryotic membrane proteins. The nucleic acid modules include a receptor for advanced glycation end products (RAGE) signal sequence, a nucleic acid sequence encoding a tag and a multiple cloning sequence (MCS). Any membrane protein of interest can be cloned into the MCS for expression in cells. The nucleic acid modules can encode any type of tag, such as an epitope tag or affinity tag. The nucleic acid modules disclosed herein can be used to express any type of membrane protein and are particularly suited to the expression and tagging of Type I and Type III membrane proteins.

Abstract: A portable electronic device comprises a main enclosure, a QWERTY keyboard assembly, and a holder. The QWERTY keyboard assembly includes a plurality of keys disposed as a qwerty board. The holder includes a positioning portion, a connecting portion, and a receiving portion. The receiving portion is rotatably connected with the positioning portion via the connecting portion. The QWERTY keyboard assembly is received in the receiving portion, the positioning portion is secured to the main enclosure.