Abstract: An optical touch device with a detecting area includes light guide components, a light source module, a light detecting component and an auxiliary light guide component. Each light guide component includes a first light emitting surface. The light guide components includes a first light guide component and a second light guide component. The auxiliary light guide component and the light detecting component are disposed between two neighboring ends of the first light guide component and the second light guide component, and the light detecting component includes a light detecting end. The auxiliary light guide component is positioned between the light detecting component and the detecting area and includes a first light incidence surface, a second light incidence surface and a second light emitting surface connected between the first light incidence surface and the second light incidence surface. The optical touch device can effectively avoid the blind zone problem.

Abstract: An optical touch device with a detecting area includes light guide components, a light source module, a light detecting component and an auxiliary light guide component. Each light guide component includes a first light emitting surface. The light guide components includes a first light guide component and a second light guide component. The auxiliary light guide component and the light detecting component are disposed between two neighboring ends of the first light guide component and the second light guide component, and the light detecting component includes a light detecting end. The auxiliary light guide component is positioned between the light detecting component and the detecting area and includes a first light incidence surface, a second light incidence surface and a second light emitting surface connected between the first light incidence surface and the second light incidence surface. The optical touch device can effectively avoid the blind zone problem.

Abstract: A driver circuit for dot inversion of liquid crystals includes a positive source supplying a first positive signal and a second positive signal; a negative source supplying a first negative signal and a second negative signal; a first selector unit connected with the sources to receive the first positive signal and the first negative signal; a second selector unit connected with the sources to receive the second positive signal and the second negative signal; a first source connected with the selection unit to alternatively output a first positive voltage and a first negative voltage; a second source connected with the selection unit to alternatively output a second positive voltage and a second negative voltage. When the first source outputs the first positive voltage, the second source outputs the second negative voltage. When the first source outputs the first negative voltage, the second source outputs the second positive voltage.

Abstract: A method of calculating a coordinate of a touch medium is disclosed in the present invention. The method includes obtaining a first image to determine whether the first image overlaps a first threshold, generating a first interceptive boundary when the first image overlaps the first threshold, obtaining a second image to generate a second interceptive boundary by overlap of the second image and a second threshold, determining whether the first interceptive boundary overlaps the second interceptive boundary, and confirming a status of the touch medium according to determination.

Abstract: A positioning module of calculating a coordinate of a touch medium is disclosed in the present invention. The positioning module includes at least one image detecting unit, a first light source, a second light source and a processor. The image detecting unit includes a lateral side and an upper side. The image detecting unit captures an image reflected from a reflection component. The first light source is disposed on the lateral side and outputs a first beam. The second light source is disposed on the upper side and outputs a second beam. The processor is electrically connected to the image detecting unit. The processor determines a touch status of the touch medium according to a first image generated by the first beam, and further determines a touch coordinate of the touch medium according to a second image generated by the second beam.

Abstract: The present invention discloses embodiments for an optical touch systems and methods. One embodiment of the present invention is directed to an optical touch system that includes at least two image sensors configured to detect a plurality of objects over a touch surface to generate a plurality of object images; a plurality of first light receiving elements, wherein the first light receiving elements are arranged on a side of the touch surface along a first direction and are configured to detect the objects; and a processing unit configured to calculate a plurality of candidate coordinate data, based on the object images, and select the coordinate data that represents coordinate data of the objects from the candidate coordinate data, based on detection data of the first light receiving elements.

Abstract: An optical touch apparatus includes a sensing region, a first and a second light emitting assemblies and a first and a second light sensor devices. The first and second light emitting assemblies are disposed in an edge of the sensing region. The first and second light emitting assemblies include a light emitting device and an optical cover including a light incidence, light emission and reflection parts, which defines a space for accommodating the light emitting device. The light from the light emitting device is emitted into and out from the optical cover sequentially through the light incidence and emission parts. The reflection part is connected between the light incidence and emission parts and for reflecting the light from the light emitting device. The first and second light sensor devices overlay the light emitting devices of the first and second light emitting assemblies, respectively. An optical sensor module is also provided.

Abstract: An optical touch device with a detecting area includes light guide components, a light source module, a light detecting component and an auxiliary light guide component. Each light guide component includes a first light emitting surface. The light guide components includes a first light guide component and a second light guide component. The auxiliary light guide component and the light detecting component are disposed between two neighboring ends of the first light guide component and the second light guide component, and the light detecting component includes a light detecting end. The auxiliary light guide component is positioned between the light detecting component and the detecting area and includes a first light incidence surface, a second light incidence surface and a second light emitting surface connected between the first light incidence surface and the second light incidence surface. The optical touch device can effectively avoid the blind zone problem.

Abstract: A driver circuit for dot inversion of liquid crystals includes a positive source supplying a first positive signal and a second positive signal; a negative source supplying a first negative signal and a second negative signal; a first selector unit connected with the sources to receive the first positive signal and the first negative signal; a second selector unit connected with the sources to receive the second positive signal and the second negative signal; a first source connected with the selection unit to alternatively output a first positive voltage and a first negative voltage; a second source connected with the selection unit to alternatively output a second positive voltage and a second negative voltage. When the first source outputs the first positive voltage, the second source outputs the second negative voltage. When the first source outputs the first negative voltage, the second source outputs the second positive voltage.

Abstract: In an adjustable bed, a bending angle of a lift arm is precisely adjusted according to generated signals corresponding to a wheel rotated by a motor of the adjustable bed or according to a current state related to the wheel. The signals are generated according to whether light is obstructed by gratings, according to whether a magnetic force is detected, or according to a change of a magnetic field. The current state is current resistance of a variable resistor disposed near the wheel.

Abstract: The present invention discloses a structure and method for reducing the current consumption of a capacitive load, wherein a storage capacitor is installed between a capacitive load and the output side of a drive element; a switch is used to switch the connection between the storage capacitor and the capacitive load and the connection between the output side and the capacitive load; when the output side is to undertake a signal transition, the switch interconnects the storage capacitor and the capacitive load to equalize those two capacitors; after the equalization is completed, the switch interconnects the output side and the capacitive load to charge the capacitive load; thus, the load capacitor of the capacitive load can be charged or discharged at an initial voltage level.

Abstract: A liquid crystal display (LCD) driver has the characteristic that using a voltage-switching control circuit to receive the liquid crystal positive voltage and the segment positive voltage generated by the driving voltage generating circuit. The voltage-switching control circuit respectively switches the liquid crystal positive voltage and the liquid crystal negative voltage to input to the common driver in different frame stages such that only one of the liquid crystal positive voltage and the liquid crystal negative voltage exists at the same time. Therefore, for the choice of the semiconductor manufacturing process for the LCD driver, the process with only half of the voltage-resistant can be chosen according to the original design of the circuit, and the supplying for the voltage needed by the segment driver and the common driver is unchanged.

Abstract: A method of reducing stress induced defects in a substrate according to an HDP-CVD process including providing a substrate for depositing a layer of material according to an HDP-CVD process; igniting a plasma for carrying out an HDP-CVD process; adjusting plasma operating parameters to achieve a first deposition-sputter ratio with respect to the substrate; depositing a first portion of the layer of material according to a first range of substrate temperatures; and, depositing at least a second portion of the layer of material according to at least a second range of substrate temperatures.

Abstract: A method of reducing stress induced defects in a substrate according to an HDP-CVD process including providing a substrate for depositing a layer of material according to an HDP-CVD process; igniting a plasma for carrying out an HDP-CVD process; adjusting plasma operating parameters to achieve a first deposition-sputter ratio with respect to the substrate; depositing a first portion of the layer of material according to a first range of substrate temperatures; and, depositing at least a second portion of the layer of material according to at least a second range of substrate temperatures.

Abstract: A CPU heat sink mounted on a CPU an carrying a fan above the CPU, the CPU heat sink having a flat base mounted on the CPU, the flat base having a thicker middle section disposed in contact with the CPU, and two thinner lateral sections bilaterally extended from the thicker middle section and spaced above the CPU, a plurality of upright fins longitudinally raised from the flat base, a plurality of ventilation grooves transversely cut through the upright fins for guiding currents of air from the fan through the upright fins, and, a plurality of ventilation slots transversely cut through the upright fins and the thinner lateral sections of the flat base for guiding currents of air from the fan toward the CPU.

Abstract: The present invention is to provide a dissipator mounting apparatus having a metal plate and a metal snap ring, where the two sides of the metal plate stretch upward and form an elastic tilt angle, and on one end of the metal plate bends downward and forms an opening to be firmly received in the barb of the ZIF socket, while the other end of the metal plate forms another hole for holding the snap ring whose rods stretch horizontally inward from the gap. Thus the CPU and the dissipator board can be tightly combined together with the help of the mounting apparatus.