Abstract:
A cord-winding device for a window blind includes a base unit having a base defining a slide channel. An adjustment unit includes two slide seats mounted in the slide channel and slidable toward or away from each other, two sets of pulleys mounted respectively and rotatably on the slide seats, at least one elastic unit disposed on one of the slide seats, and an adjustment cord winding around the sets of pulleys and then extending through the base. The adjustment cord is configured to be connected to the window blind after extending through the base, and is configured to support the weight of the window blind to thereby generate a pulling force to pull the slide seats.
Abstract:
An optical image stabilizer includes a magnetic element, a moving platform, at least one first sensor and at least one second sensor. The magnetic element is fixed on a main body. The moving platform is movably disposed on the main body. The first and the second sensors are fixed on the moving platform. When the moving platform moves relatively to the main body, the first sensor senses a variation of a magnetic force applied to the first sensor by the magnetic element for calculating a displacement of the moving platform along a first direction, and the second sensor senses a variation of a magnetic force applied to the second sensor by the magnetic element for calculating a displacement of the moving platform along a second direction. The first direction is perpendicular to the second direction. In addition, an image capturing device having the optical image stabilizer is also provided.
Abstract:
An optical image stabilizer of the present invention is mounted in a camera at an image size of a lens to assist an image capture device. The optical image stabilizer includes a base, a transverse frame, and a longitudinal frame. The base is provided with a pair of transverse rails and longitudinal reference magnets. The transverse frame is engaged with the transverse rails for reciprocation and is provided with a pair of longitudinal rails, transverse reference magnets and longitudinal reference magnets, wherein the longitudinal reference magnets are between the longitudinal rails. The longitudinal frame is engaged with the longitudinal rails for reciprocation and is provided with the image capture device, a transverse drive coil, and a longitudinal drive coil. The longitudinal drive coils are between the longitudinal rails and in association with the longitudinal reference magnets that the longitudinal frame may move smoothly.
Abstract:
A projection lens configured to form an image from an image source which is disposed at an object side is provided. The projection lens includes a lens group and an aspheric mirror. The lens group has a first optical axis, and an intermediate image is formed by the lens group from the image source. The aspheric mirror has a second optical axis and an aspheric surface. The lens group is disposed between the object side and the aspheric mirror. The aspheric surface faces the lens group and reflects the intermediate image to form the image at an image side. The first optical axis is not coaxial with the second optical axis, and an offset of the image relative to the first optical axis is larger than or equal to 100%.
Abstract:
A projection lens includes a first image system, a second image system, and a concave reflector arranged in order. The first image system and the second image system define an optical axis, and the concave reflector is disposed at a first side of the optical axis. A projection apparatus using the projection lens is also provided, wherein the first image system is disposed between a light valve of the projection apparatus and the second image system, and the light valve is disposed at the first side of the optical axis.
Abstract:
A magnetic device includes a thermally-conductive bobbin and a winding coil. The thermally-conductive bobbin has a winding section. The winding coil is wound around the winding section. The heat generated from the winding coil is dissipated away through the thermally-conductive bobbin.
Abstract:
A pixel structure includes a plurality of data lines and a common line. The common line overlaps each data line, and is coupled with each data line to respectively form a first coupling capacitor, a second coupling capacitor, a third coupling capacitor, a fourth coupling capacitor, a fifth coupling capacitor, and a sixth coupling capacitor. The third coupling capacitor is smaller than the second coupling capacitor, and the fifth coupling capacitor is smaller than the fourth coupling capacitor.
Abstract:
A pixel structure includes at least one first sub-pixel electrode, at least one second sub-pixel electrode, at least one common line, at least one first transistor electrically connected to the first sub-pixel electrode, and at least one second transistor electrically connected to the second sub-pixel electrode. The common line overlaps and is coupled respectively with the first sub-pixel electrode and the second sub-pixel electrode so as to respectively form a first storage capacitor and a second storage capacitor. The second storage capacitor is larger than the first storage capacitor. A first adjusting capacitor of the first transistor is larger than a second adjusting capacitor of the second transistor.
Abstract:
A computer-based method and a computing device for checking signal transmission lines of a printed circuit board (PCB) layout are provided. The computing device identifies differential pairs in a currently run PCB layout according to an information file for the currently run PCB layout, checks whether any signal transmission line is routed between switching vias of each differential pair according to the information file for the currently run PCB layout, and displays a routing error window to display information of each misrouted signal transmission line.
Abstract:
In an exemplary optical touch circuit and a LCD device using the same, an optical sensing unit is turned on or off according to an irradiation light intensity and accordingly generates a first signal. A first signal readout unit is electrically coupled to the optical sensing unit and turned on or off according to a first operation timing sequence and accordingly outputs the first signal. A touch reference unit is for providing a reference voltage. A second signal readout unit is turned on or off according to a second operation timing sequence and accordingly outputs the reference voltage. The touch sensing unit is electrically coupled to the first and second signal readout units and uses a voltage difference between the first signal and the reference voltage as a basis to determine that whether the optical touch circuit is touched or not.