Abstract: A capacitance amplifying circuit applied to a controller of a power convertor includes a comparison unit and a capacitance amplifying module. The comparison unit receives a feedback voltage corresponding to a load coupled to the power convertor, a dimming signal, and a reference voltage, and outputs a compensation current. The capacitance amplifying module generates an equivalent capacitor. A capacitance of the equivalent capacitor is K times to a capacitance of a reference capacitor of the capacitance amplifying module, and K is a real number greater than 1. The compensation current and the equivalent capacitor are used for determining a compensation voltage, and when the dimming signal is disabled, a closed loop within the capacitance amplifying module is changed to an open loop to keep the compensation voltage at a fixed value.

Abstract: Short protection control circuits and related control methods are disclosed. A disclosed short protection control circuit is adapted for controlling a short protection mechanism providing short protection to several LED chains. The disclosed short protection control circuit has a detection circuit, a first logic circuit and a timer. Coupled to the LED chains, the detection circuit asserts an indication signal when one of the node voltages of the LED chains is lower than an under-current reference. When the indication signal is enabled, the first logic circuit starts blocking the short protection mechanism. The timer times to provide a result when the short protection mechanism is blocked. When the result indicates that the short protection mechanism has been blocked for at least a predetermined time period, the first logic circuit resumes the short protection mechanism.

Abstract: A timing controller provides adaptive timings to control a synchronous rectifier with a body diode. The timing controller has a ramp generator providing a ramp signal at a first capacitor. The ramp signal corresponds to a discharge time when the body diode is forward biased. A second capacitor records an estimated duration signal. An update circuit is connected between the first and second capacitors, for shorting the first and second capacitor to update the estimated duration signal by charge sharing. A comparator with two inputs coupled to the ramp signal and the estimated duration signal respectively compares the ramp signal and the estimated duration signal to control the synchronous rectifier.

Abstract: A synchronous rectification control method suitable for a switching mode power supply with a synchronous rectifier is disclosed. A synchronous rectification controller with a first pin is provided. A pin voltage at the first pin is sampled to generate a sampled voltage. After the sampling, a detection current is provided and it flows out of the synchronous rectification controller from the first pin. Digital dead-time control signals are generated in response to the pin voltage and the sampled voltage. The synchronous rectifier is controlled to determine a dead time of the synchronous rectifier, based upon the digital dead-time control signals.

Abstract: Embodiments of mechanisms for forming a semiconductor device are provided. The semiconductor device includes a first fin partially surrounded by a first isolation structure and protruding through a top surface thereof. The semiconductor device also includes a second fin partially surrounded by a second isolation structure and protruding through a top surface thereof. The top surface of the first isolation structure is higher than the top surface of the second isolation structure such that the second fin has a height higher than that of the first fin. The second isolation structure has a dopant concentration higher than that of the first isolation structure.

Abstract: An automatic control shock absorber system for a bicycle is provided. The system includes one or more sensors. A controller outputs a control signal to a damping adjuster according to the one or more sensors, such that the damping adjuster controls level of damping force based on the sensors.

Abstract: A light emitting diode driving integrated circuit with a multi-step current setting function includes a regulator circuit, a variable resistor circuit, and a current generation unit. The regulator circuit provides a supply voltage to a first terminal of at least one series of light emitting diodes to drive the at least one series of light emitting diodes, and regulates a second terminal voltage of the at least one series of light emitting diodes to a target voltage. The variable resistor circuit is used for changing a resistance of the variable resistor circuit in a plurality of steps according to a switching signal. The current generation unit is coupled to the variable resistor circuit for changing current flowing through the at least one series of light emitting diodes in a plurality of steps according to a reference voltage and variation of the resistance of the variable resistor circuit.

Abstract: A control circuit of light emitting diodes is used for driving at least one series of light emitting diodes. The control circuit includes a current setting pin, a driving current generator, a regulator circuit, and an adjuster. A reference current flows through the current setting pin. The driving current generator is used for generating a driving current flowing through the series of light emitting diodes according to the reference current. The adjuster generates an adjustment voltage according to the reference current. Then, the regulator circuit generates a supply voltage to drive the series of light emitting diodes, and regulates a voltage of a first terminal of the series of light emitting diodes at a target voltage according to the adjustment voltage. The target voltage is increased with decrease of the driving current when the driving current is less than a first predetermined current.

Abstract: A management system, a smart meter, a server, an operation method and a management method are provided. The management system includes a remote server and at least one smart meter. The smart meter is coupled to the remote server via a communication network. The smart meter measures electrical energy of at least one power line to obtain at least one batch of electricity data. The smart meter detects whether the loading event occurs. If the loading event occurs, the smart meter performs data compression on the electricity data obtained during an event period corresponding to the loading event to obtain compressed data, and uploads the compressed data to the remote server. The remote server performs data decompression on the compressed data to obtain decompressed data. The remote server performs load identification according to the decompressed data.

Abstract: A driving integrated circuit of light emitting diodes is used for driving a plurality of series of light emitting diodes. The driving integrated circuit includes a current setting pin, a regulator circuit, and an adjuster. The driving integrated circuit sets a target current for a current flowing through the plurality of series of light emitting diodes according to an outflowing current of the current setting pin. The adjuster adjusts a target voltage according to the outflowing current. Then the regulator circuit provides a supply voltage for driving the plurality of series of light emitting diodes, so as to regulate a terminal voltage of the plurality of series of light emitting diodes to the target voltage.

Abstract: A stereo camera apparatus including an image capturing device, an optical axis controlling module and a calculating module is provided. The image capturing device is suitable for obtaining a stereo image, and the image capturing device includes a plurality of image capturing units. The optical axis controlling module is coupled to the image capturing device. The calculating module is coupled to the image capturing device and the optical axis controlling module, wherein the calculating module calculates a calibration condition according to the stereo image. The optical axis controlling module adjusts directions of imaging optical axes of the image capturing units. After being adjusted by the optical axis controlling modules, the imaging optical axes of the image capturing units are aligned. Besides, a self-calibration apparatus and a method of calibration are also provided.

Abstract: An exemplary embodiment provides a method for swing result deduction and posture correction. The method includes performing a coordinate transformation between a sensor frame and an earth frame, deducting the swing result according to at least one piece of sensor information and a swing result deduction analysis, and providing a posture correction advice according to at least one piece of sensor information and a posture correction analysis.

Abstract: A method and an apparatus for detecting device anomaly are provided. The apparatus including a database configured to store a plurality of electric power features; a measurement module configured to measure electric power of a device to generate electric power information; a judgment module connected to the database and the measurement module, configured to judge whether the device is abnormal based on the plurality of electric power features and the electric power information; and a detection module connected to the judgment module, configured to detect operation states of a plurality of elements in the device to generate a plurality of state signals when the judgment module judges that the device is abnormal; wherein, the judgment module further judges whether each element of the plurality of elements is abnormal based on the plurality of state signals, the electric power information, and the plurality of electric power features.

Abstract: A driving circuit having current balancing functionality includes a control unit, a bias resistor, a current switch unit and plural current driving modules. The control unit is utilized for generating a control signal having at least one bit according to a control current. The bias resistor is put in use for providing a bias voltage according to a bias current. The current switch unit employs the control signal and plural bias setting currents to generate the bias current, for keeping the bias voltage within a preset voltage range. The current driving modules are used to provide plural driving currents according to the bias voltage and the control signal. Each current driving module includes a current-limit control unit which is utilized for controlling a corresponding driving current according to the control signal.

Abstract: A light emitting module driver circuit utilized for driving a light emitting module includes a voltage dividing module, a short circuit detection module, and a driving module. A method of performing short circuit protection in the light emitting module driver circuit includes disabling the driving module during a dimming off cycle of the light emitting module driver circuit, enabling the voltage dividing module during the dimming off cycle, dividing a voltage of the light emitting module to generate a divided voltage during the dimming off cycle, and generating a short circuit protection signal according to the divided voltage during the dimming off cycle.

Abstract: A stereoscopic image shooting system including an image shooting module and a score evaluation module is provided. The image shooting module is used for shooting a plurality of multi-view images of an object. The score evaluation module analyzes a plurality of stereoscopic images formed from the multi-view images to calculate a stereoscopic quality score of the stereoscopic images.

Abstract: An exercise learning system including a sensing unit and a processing module is disclosed. The sensing unit includes at least one sensor used for being disposed on the body of a user. Each sensor further outputs a sensing data according to the exercise state of the user. The processing module generates at least one critical action data of the user according to the at least one sensing data. The processing module further synchronizes and compares the at least one critical action data with the corresponding at least one pre-produced action data.

Abstract: A driving circuit having current balancing functionality includes a control unit, a bias resistor, a current switch unit and plural current driving modules. The control unit is utilized for generating a control signal having at least one bit according to a control current. The bias resistor is put in use for providing a bias voltage according to a bias current. The current switch unit employs the control signal and plural bias setting currents to generate the bias current, for keeping the bias voltage within a preset voltage range. The current driving modules are used to provide plural driving currents according to the bias voltage and the control signal. Each current driving module includes a current-limit control unit which is utilized for controlling a corresponding driving current according to the control signal.

Abstract: A localization device assisted with augmented reality and a localization method thereof are provided. The localization device includes a subject object coordinate generating unit, a relative angle determining element and a processing unit. The subject object coordinate generating unit selects at least three subject objects outside the localization device and obtains at least three subject object coordinate values of the at least three subject objects. The relative angle determining element determines at least two viewing angle differences between any two of the at least three subject objects. The processing unit generates a location coordinate value of the localization device according to the at least two viewing angle differences and the at least three subject object coordinate values.

Abstract: A low dropout regulator having a power transistor, a current-voltage converting circuit, a current variation sensing circuit and a compensation circuit is provided. The power transistor has a power terminal receiving an input voltage, a control terminal, and an output terminal coupled to the current-voltage converting circuit to generate an output voltage. The current variation sensing circuit provides a first and a second output terminal and, according to a current variation of the power transistor, the first and second output terminals vary with distinct voltage transition speeds. The compensation circuit controls the control terminal of the power transistor to adjust the output voltage according to a first voltage difference between a feedback of the output voltage and a reference voltage and a second voltage difference between the second and first output terminals of the current variation sensing circuit.