Abstract: The invention discloses a method and a module for measuring rotation and a portable apparatus comprising said module. The module of the present invention is adapted for measuring rotation of a target, and the module includes a first sensor, a second sensor and a processor. The first sensor is disposed at a first location of the target, for sensing a first centripetal acceleration and a first tangential acceleration when the target is rotated. The second sensor is disposed at a second location of the target, for sensing a second centripetal acceleration and a second tangential acceleration when the target is rotated. The processor is coupled to the first sensor and the second sensor, for receiving the first centripetal acceleration and the first tangential acceleration from the first sensor, receiving the second centripetal acceleration and the second tangential acceleration from the second sensor, and calculating the rotation angle of the target accordingly.

Abstract: The present invention provides a Relay Node Placement Method in Wireless Body Sensor Network. It provides a sensor data collection location and a plurality of sensor locations. Then based on those sensor locations and their corresponding time delays, a sensor location data group is generated, then based on the sensor location data group, a set cover problem is set up. Through an approximation algorithm, within linear time, the solution of that set cover problem is then solved so as to decide the minimal quantity of the first relay nodes of the trunk of human body; moreover, based on a given human body model, a plurality of second relay node candidate locations, those first relay node and the sensor data collection location, a minimal spanning tree problem is set up so as to decide a plurality of second relay node locations.

Abstract: A representative electrostatic discharge (ESD) protection circuit includes a silicon-controlled rectifier (SCR) that is electrically coupled to the output of a power amplifier; an ESD detection circuit that triggers the SCR responsive to detect an electrostatic discharge on an ESD bus; and an ESD clamp circuit that is coupled to the first voltage line.

Abstract: An electrostatic discharge (ESD) circuit, adaptive to a radio frequency (RF) device, which includes a RF circuit coupled between a VDD power rail and a VSS power rail and having a RF I/O pad, includes an ESD clamp circuit coupled between a VDD power rail node and the VSS power rail node and a LC-tank structure coupled between the VDD power rail node and the VSS power rail node and to the RF I/O pad. The LC-tank structure includes a first ESD block between the VDD power rail node and the RF I/O pad, and a second ESD block between the VSS power rail node and the RF I/O pad. At least one of the first and second ESD blocks includes a pair of diodes coupled in parallel with each other and an inductor coupled in series with one of the pair of diodes.

Abstract: An assembling device for attaching a light guide plate and a reflecting member together is provided. The assembling device includes a first receiving member and a second receiving member. The first receiving member defines a first recess therein for accommodating the light guide plate. The second receiving member defines a second recess therein for accommodating the reflecting member. The assembling device has an open position and a closed position. The light guide plate is capable of being loaded in the first recess and the reflecting member is capable of being loaded in the second recess when the assembling device is in the open position. The first receiving member and the second receiving member are aligned with and parallel to each other when the assembling device is in the closed position.

Abstract: A method for establishing a scattering bar rule for a mask pattern for fabricating a device is provided. The method is described as follows. First, at least one image simulation model is established according to the mask pattern and a process reference set used for fabricating the device based on the mask pattern. Next, a plurality of scattering bar reference sets is applied to the image simulation model so as to generate a plurality of simulation images, respectively. Further, a portion of the simulation images are selected to be a plurality of candidate layouts according to a screening criterion. Next, one of the candidate layouts is determined to be a pattern layout according to a selection rule, and the scattering bar reference set corresponding to the pattern layout is determined to be a scattering bar rule of the mask pattern.

Abstract: The invention provides an apparatus for controlling servo signal gains of an optical disc drive. The apparatus adjusts the gains of a plurality of servo signals controlling a servo system of the optical disc drive when the optical disk drive encounters an operating state transition. In a first mode, at least one AGC loop of the apparatus compensates the gains of the servo signals with a selectable bandwidth during a specific period after the operating state transition to accelerate the convergence of the servo signals. In a second mode, at least one AGC loop of the apparatus reloads the previously saved convergence values or pre-determined values as the initial values according to the current operating state immediately after the operating state transition to accelerate the convergence of the servo signals.

Abstract: A liquid crystal display, comprising: a liquid crystal display panel and a backlight module. The backlight module comprising: a reflection unit, a light emitting unit, and a compound diffusion plate structure. The light emitting unit has a plurality of light emitting components installed within the installation space of the reflection unit. The compound diffusion plate structure is placed on one side of the light emitting unit, comprising: a body unit and a printing micro diffusion unit. The body unit has a main layer, and a plurality of micro diffusion particles formed inside the body unit, allowing light to diffuse within the body unit. The printing micro diffusion unit has a plurality of convex lens units formed on a light entrance plane or a light exit plane of the body unit by means of printing.

Abstract: An apparatus for molding optical fiber connector is provided. The optical fiber connector includes a main body. The main body has a blind hole for receiving an optical fiber two opposite surfaces being substantially parallel with the blind hole, and a lens portion aligned with the blind hole. The apparatus comprises a molding cavity and an insert for forming the blind hole. The molding cavity includes a central portion for forming the main body, a lens-forming portion for forming the lens portion, and two lateral portions for forming the corresponding surfaces. The molding cavity includes a first gate and a second gate for introducing molding material into the molding cavity. The first gate is located between the insert and one of the two lateral portions and the second gate is defined between the insert and the other one of the lateral potions.

Abstract: A representative electrostatic discharge (ESD) protection circuit includes a silicon-controlled rectifier comprising an alternating arrangement of a first P-type semiconductor material, a first N-type semiconductor material, a second P-type semiconductor material and a second N-type semiconductor material electrically coupled between an anode and a cathode. The anode is electrically coupled to the first P-type semiconductor material and the cathode is electrically coupled to the second N-type semiconductor material. The ESD protection circuit further includes an inductor electrically coupled between the anode and the second P-type semiconductor material or between the cathode and the first N-type semiconductor material.

Abstract: An electrostatic discharge (ESD) protection circuit, suitable for an input stage circuit including a first N channel metal oxide semiconductor (NMOS) transistor, is provided. The ESD protection circuit includes an P channel metal oxide semiconductor (PMOS) transistor and an impedance device, in which the PMOS transistor has a source coupled to a gate of the first NMOS transistor, and a drain coupled to a source of the first NMOS transistor, and the impedance device is coupled between a gate of the PMOS transistor and a first power rail to perform a initial-on ESD protection circuit. The ESD protection circuit formed by the PMOS transistor and the resistor is capable of increasing the turn-on speed of the ESD protection circuit and preventing the input stage circuit from a CDM ESD event.

Abstract: A cutting structure for plastic film includes a bracket, a first roller, a second roller, a tachometer, a processor, a monitor and a cutter. The bracket includes a bottom and two sidewalls extending from the bottom along a same direction. The first roller includes a shaft fixed to the sidewalls and a sleeve rotatably sleeving on the shaft. The second roller is pivotally connected to the sidewalls. The tachometer is disposed on one end of the second roller and configured for measuring the rotation speed of the second roller. The processor is configured for reading the rotation speed and further calculating a rotation distance of the second roller. The monitor is configured for displaying the rotation distance. The cutter extends upward from the bottom for cutting the plastic film pulled from the first roller and the second roller.

Abstract: An exemplary LED module includes a ceramic substrate, a heat spreader, a heat sink, an LED die, and a packaging layer. The substrate defines a hole extending therethrough from a top side to a bottom side thereof. The heat spreader is disposed in the hole with a top side thereof substantially coplanar with the top side of the substrate. An outer circumferential surface of the heat spreader contacts an inner circumferential surface of the substrate around the hole. The heat sink is attached to the top sides of the substrate and the heat spreader. The LED die is attached to a bottom side of the heat spreader, and the packaging layer encapsulates the LED die.

Abstract: An embodiment of the invention provides an integrated circuit. The integrated circuit has an analog device-under-test (DUT), a memory receiving and storing a test program and a processor. The processor tests the analog DUT and outputs a test result in digital format by executing the test program, wherein the test result indicates whether the analog DUT workable according to a specification.

Abstract: An electrostatic discharge (ESD) clamp circuit is provided, which includes a plurality of identical module circuits. The anode of the first module circuit is coupled to the cathode of the ESD clamp circuit. The anode of each of the other module circuits is coupled to the cathode of the previous module circuit. The cathode of the last module circuit is coupled to the ground terminal of the ESD clamp circuit. Each module circuit includes a conduction path and a detection circuit. The detection circuit is coupled to the anode, the cathode and the conduction path of the module circuit. When the rising speed of the voltage at the anode of the module circuit surpasses a threshold value, the detection circuit makes the conduction path conducting.

Abstract: The invention provides an apparatus for controlling servo signal gains of an optical disc drive. The apparatus adjusts the gains of a plurality of servo signals controlling a servo system of the optical disc drive when the optical disk drive encounters an operating state transition. In a first mode, at least one AGC loop of the apparatus compensates the gains of the servo signals with a selectable bandwidth during a specific period after the operating state transition to accelerate the convergence of the servo signals. In a second mode, at least one AGC loop of the apparatus reloads the previously saved convergence values or pre-determined values as the initial values according to the current operating state immediately after the operating state transition to accelerate the convergence of the servo signals.

Abstract: An exemplary injection mold for manufacturing a fiber optic connector includes a first mold, a second mold, an insert, two first positioning bar, and four second positioning bars. The first mold and the second mold cooperatively define a mold cavity. The mold cavity includes two lens molding recesses. The two inserts are attached to the second mold and located in the mold cavity. A dimension of each second bar in cross section is substantially smaller than that of each first positioning bar. One first positioning bar and two second positioning bars are arranged around each insert to position the insert, such that the inserts is suspended in the mold cavity and precisely aligns with the respective molding recesses.

Abstract: A portable computer includes a display module, and a hinge module. One end of the hinge module is connected to the display module. The portable computer further includes a host module. The host module includes a housing whereon an accommodating space is formed. The other end of the hinge module is fixed inside the accommodating space. The portable computer further includes a battery component installed on the housing for covering the accommodating space so as to cover the hinge module.

Abstract: A liquid crystal display, comprising: a liquid crystal display panel and a backlight module. The backlight module comprising: a reflection unit, a light emitting unit, and a compound diffusion plate structure. The light emitting unit has a plurality of light emitting components installed within the installation space of the reflection unit. The compound diffusion plate structure is placed on one side of the light emitting unit, comprising: a body unit and a printing micro diffusion unit. The body unit has a main layer, and a plurality of micro diffusion particles formed inside the body unit, allowing light to diffuse within the body unit. The printing micro diffusion unit has a plurality of convex lens units formed on a light entrance plane or a light exit plane of the body unit by means of printing.

Abstract: An optical fiber connector includes a shell, a lens and a strengthening unit. The shell includes a blind hole extended along a first direction for receiving a fiber and a through hole communicated with the blind hole and extended along a second direction perpendicular to the first direction. The lens is formed on the shell to align with a bottom of the blind hole. The lens is capable of optically coupling with the fiber in the blind hole. The strengthening unit is formed in the through hole.