Abstract: This invention relates to macrocyclic compounds of formula (I) shown in the specification. These compounds can be used to treat hepatitis C virus infection.

Abstract: A halftone image generation method used in a system including an image input module and a halftoning processing module for generating a halftone image is disclosed. First, an original image is received by the image input module and a dot diffusion process is performed to the original image to generate the halftone image using a first class matrix with a first size and a corresponding first diffused weighting matrix with a first diffused area size, wherein the first class matrix indicates a processing order of the dot diffusion process and the first class matrix with the first size, the first diffused area size and the corresponding first diffused weighting matrix with the first diffused area size are optimized results determined in advance by the halftoning processing module according to class matrixes of different sizes and diffused areas of different sizes.

Abstract: An auto-selecting holding current circuit is applicable to a converter. A primary side of the converter has a Triode for Alternating Current (TRIAC) and a bleeder circuit. The auto-selecting holding current circuit includes a first sensor module, a second sensor module and a reference voltage selecting circuit. The first sensor module detects an input current drop time or an input voltage drop time to output a sense signal. The second sensor module receives a current detector signal and outputs a critical current signal to detect a holding-current value range of the TRIAC. The reference voltage selecting circuit outputs a reference current signal to the bleeder circuit, and the reference current signal corresponds to a holding-current value of the TRIAC. Therefore, the bleeder circuit maintains normal operation of the TRIACs with different holding-current values.

Abstract: An Alternating-current-Direct-current (AC-DC dual-use) Light Emitting Diode (LED) driving circuit includes an input power circuit, a buck-boost converter, and a Pulse Width Modulation (PWM) signal controller. The buck-boost converter, including a switching transistor and a feedback resistor, receives a current signal output from the input power circuit, and drives an LED with a driving signal. The PWM signal controller outputs a PWM signal according to the driving signal, so as to sequentially turn on and turn off the switching transistor. One end of the feedback resistor is coupled to the LED, and a floating ground terminal of the PWM signal controller is coupled to the switching transistor and the other end of the feedback resistor. Therefore, the AC-DC dual-use LED driving circuit is capable of dynamically adjusting the duty ratio of the PWM signal without connecting an external photocoupler.

Abstract: A method for detecting the lane departure of a vehicle includes an image recognition process and a deviation estimation process. The image recognition process includes the following steps: an image capturing step for capturing image frame data by using an image capturing unit; and a lane line recognition for analyzing the image frame data for determining the lane lines. By using a quadratic curve fitting equation, a plurality of lane line being detected so as to establish a road geometry estimation model. The road geometry estimation model is inputted into the deviation estimation process to detect the lane departure of the vehicle so as to alert the driver. Furthermore, an apparatus for detecting the deviation of the vehicle, comprising: an image capturing unit, a processing unit and a signal output unit.

Abstract: The instant disclosure provides an illuminating device and a heat removal device thereof The illuminating device has a heat removal device, and a lighting unit as a heat source. The heat removal device has a core column, and a plurality of fins outwardly extended from a periphery of the core column. The core column is formed with a plurality of heat-dissipating channels through along a longitudinal direction. The lighting unit is disposed on a bottom surface of the core column. The heat generated by the lighting unit enforced the air in the heat-dissipating channels to form an upward airflow. The upward airflow ascends along the heat-dissipating channels and flows outside, thus cool air is drawn inwardly from the bottom end of the heat-dissipating channels to urge the air circulation.

Abstract: An integrated electrochromic 2D/3D display device including a first substrate; a parallax barrier unit disposed under the first substrate; a color filter unit disposed under the parallax barrier unit; a common electrode disposed under the color filter unit; a liquid crystal unit disposed under the common electrode; a plurality of thin film transistors disposed under the liquid crystal unit; a second substrate disposed under the plurality of thin film transistors; and a light emitting unit disposed under the second substrate is provided. Another integrated electrochromic 2D/3D display device including a substrate; a parallax barrier unit disposed under the substrate; and a display unit disposed under the parallax barrier unit is also provided. An adjustment of a planar image and a stereo image is performed to reduce a thickness and an assembling cost of conventional display devices.

Abstract: A stereoscopic display device has a plurality of sub-pixel units respectively arranged along a first axis and a second axis. Each sub-pixel unit and the adjacent sub-pixel unit along the first axis have a predetermined dislocation in the second axis. Each of the sub-pixel unit includes a first sub-pixel row having a first sub-pixel and two second sub-pixels arranged along the first axis, a second sub-pixel row under the first sub-pixel row having a first sub-pixel and two second sub-pixels arranged along the first axis, and a three sub-pixel row under the second sub-pixel row having three third sub-pixels arranged along the first axis. The stereoscopic display device also has a parallax panel having a plurality of transparent regions and shielding regions alternately parallel to each other.

Abstract: A digital halftoning method and a method for constructing a class tiling map are disclosed. The present invention utilizes to arrange class matrixes in a staggering form such that adjacent class matrixes exist a staggering shift. Also, the class tiling map is constructed in this way. Then, a dot diffusion procedure is performed to an original image with the class tiling map so as to generate a halftone image corresponding to the original image. The present invention is capable of solving the problem of a periodic appearance caused by traditional dot diffusion.

Abstract: A mounting device for an LED lamp has a support tube and at least one fixed unit. The support tube has an outer surface and an external engaging surface. The external engaging surface is formed on the outer surface of the support tube. Each one of the at least one fixed unit has a positioning block mounted movably and pivotally around the support tube and has a front surface and an internal engaging surface. The internal engaging surface is formed on the front surface of the positioning block and engages the external engaging surface of the support tube. Therefore, it is convenient to adjust the fixed unit to a suitable position so that the LED lamp can be installed at any location.

Abstract: An image retrieval system and method thereof is provided. The method of the image retrieval system has the following steps: capturing an input image of an object simultaneously and separately by dual cameras in a mobile device, obtaining a depth image by the mobile device according to the input images, and determining a target object according to the input images and image features of the depth image, and receiving the target object by an image data server, obtaining retrieving data corresponding to the target object, and transmitting the retrieving data to the mobile device.

Abstract: The image counting method includes the steps of: acquiring 3D images from the region by a 3D camera, wherein the 3D images include a plurality of pixels, and the pixels have x, y and z coordinate values and pixel data; mapping the x, y and z coordinate values and the pixel data of the pixels into a plurality of correlative coordinate values of a spatial correlative coordinate represented as (x, z, t), wherein t is the number of pixels whose pixel data are lower than a threshold in y direction with the same x and z coordinate values; grouping the correlative coordinate values into a plurality of groups according to a correlation between each of the correlative coordinate values in x-z plane; and comparing the correlative coordinate values of each of groups with the correlative coordinate values of the 3D images of the specific objects to determine the number of specific objects in the region.

Abstract: A 3D gesture control method is provided. The method includes the steps of: obtaining a series of images by a stereo camera; recognizing a control article in the images and acquiring 3D coordinates of the control article; determining the speed of the control article according to the 3D coordinates of the control article; and operating a visible object according to the speed.

Abstract: A wireless air tube headset that includes a wireless transceiver operating in a radio frequency band, which wireless receives audio signals. The headset includes an acoustic chamber with an acoustic port through to the exterior thereof, and an acoustic transducer that is electrically coupled to the transceiver, and that operates to generate acoustic signals. The acoustic transducer is aligned with the acoustic chamber to emit the acoustic signals through the acoustic port. There is an acoustic isolator disposed to attenuate extraneous acoustic signals emitted from the acoustic transducer and also to attenuate ambient noise entry into the acoustic chamber. An acoustic conduit is formed from an electrically non-conductive material, and has a first opening engaged with the acoustic port and a second opening engaged with an acoustic coupler, which has a first earpiece engagement means.

Abstract: A method for identifying a single tap with a controller employing the method comprises following steps: (a) detecting the first hit-movement being conducted by the object touching the touch device; (b) starting a time-counting if a detected result of step (a) is “YES”; (c) detecting if the object leaves the touch device within the first reference time interval; (d) generating an operation signal to represent a start of the hit-movement at the time of the first reference time interval ending if a detected result of step (c) is “YES”; (e) detecting if the second hit-movement is conducted by the object touching the touch device within a second reference time interval after the first reference time interval; (f) maintaining the operation signal to represent the second hit-movement being conducted if a detected result of step (e) is “YES”; and (g) terminating said operation signal at the time of the second reference time interval ending to represent a cease of the second hit-movement if a detected result of said s

Abstract: A 2D/3D display device is provided. The 2D/3D display device includes a flat display device and a parallax barrier panel disposed on a display surface of the flat display device. The parallax barrier panel has a barrier pattern which includes a first electrochromic material layer and a second electrochromic material layer. In a 2D display mode, the barrier pattern, the first electrochromic material layer, and the second electrochromic material layer are transparent. In a 3D stereoscopic display mode, the barrier pattern is non-transmissible. The first electrochromic material layer has a first color, and the second electrochromic material layer has a second color.

Abstract: A circuit regulator is used to generate a pulse-width-modulation signal, so as to control a power to be selectively input or not input to a primary side of a switching power supply. The circuit regulator includes a synchronous timing pulse generation circuit, outputs a starting pulse after performing signal process of time delay, timing pulse regulation, and synchronization control on a pulse-width-modulation signal and a discharging time signal of a secondary side, and accordingly effectively controls a pulse starting time of the pulse-width-modulation signal. Therefore, the synchronous timing pulse generation circuit can be applied to the circuit regulator, so as to further effectively prevent an inductor current of the switching power supply from entering a Continuous Conduction Mode (CCM).

Abstract: The present invention discloses a digital halftoning method. The method comprises steps of: (a1) dividing an original image into non-overlapping blocks; (a2) obtaining a Least-Mean-Square trained (LMS-trained) filter by comparing at least a training image and a halftone result corresponding to the training image (a3) optimizing a class matrix with the LMS-trained filter, which involves the diffused area and the diffused weightings; and (a4) processing the non-overlapping blocks by performing a dot diffusion procedure with the optimized class matrix and the diffused weightings to generate a halftone image corresponding to the original image. A detailed class matrix optimizing method as in the above-mentioned step (a3) is also disclosed.

Abstract: The present invention provides a dimming circuit for controlling the luminance of a light source and the method for controlling luminance. The dimming circuit comprises an inverter circuit and a driving circuit. The inverter circuit is electrically coupled to a light source to be controlled, to convert a direct current (DC) power input into an alternating current (AC) power. The inverter circuit comprises a transformer, a capacitor connected in parallel to the transformer, a plurality of switches located at both ends of the capacitor, and an oscillating circuit electrically connected to both ends of the transformer. The driving circuit is electrically connected to the inverter circuit, for regulating the AC voltage to control the time period that the light source is turned on.