Abstract: In a method for displaying a three-dimensional object, a pixel value matrix and a projection depth matrix are created, coordinates of the object are read according to a B-spline curve, and a triangle mesh model is created according to the coordinates. A triangle is selected from the triangle mesh model one by one, so as to obtain coordinates of vertexes of the selected triangle, convert the coordinates of the vertexes to two-dimensional, and generate a figure according to the two-dimensional coordinates. A projection depth of the selected triangle is computed and colors of the selected triangle are added to the figure if the computed projection depth is less than a corresponding projection depth recorded in the projection depth matrix. The pixel value matrix and the projection depth matrix are updated and a two-dimension image formed by elements of two matrixes is outputted onto a display screen.

Abstract: A curved surface area calculation device and method generates a contour curve consisting of border points of a curved surface, and determines an approximate poly-line of the contour curve in a parametric plane. An approximate polygon of the approximate poly-line is generated according to vertices of the approximate poly-line and preset sample points. The approximate polygon is further meshed by a plurality of triangles. An area of the curved surface is calculated according to the plurality of triangles.

Abstract: A system and method for converting a conventional surface into a non-uniform rational basis spline (NURBS) surface generates a constructed curve according to a first NURBS curve of the conventional surface which is read from a storage system. The system and method further converts the constructed curve into the second NURBS curve. Furthermore, the system and method constructs the NURBS surface based on the first NURBS curve and the second NURBS curve.

Abstract: A method for converting coordinates of a curved surface is provided. Parameters of the curved surface to be converted are received, and basic data is computed using a B-spline basis function according to the parameters to formulate a data structure. Basic points are determined according to the parameters and the data structure, and coordinates of the curved surface are converted from three-dimensional coordinates to two-dimensional coordinates using the basic points.

Abstract: A fog lamp may include a Lambertian LED, a collimating lens encompassing the Lambertian LED, a collimating surface including a total internal reflective surface and encompassing the collimating lens, and a corrugated surface attached to the collimating surface at an acute angle with respect to an optic axis of the corrugated surface.

Abstract: The present invention relates to LED lamps suitable for forming automotive lighting systems, made of high power lambertian LEDs and a TIR collimator lens. In the present invention, a novel TIR collimator lens is developed to collect the light emitted from the LED source and through a pillow lens array; redistribution occurs to form a light pattern meeting ECE requirements.

Abstract: A computer-based method for adjusting view of a measuring report of an object is provided. The method includes defining a plurality of tolerance ranges and a unique color, and reading data of a point-cloud of the object and the triangulated surface of the object. The method further includes setting parameters to determine a user-selected position and a user-selected angle of the point-cloud and the triangulated surface in a coordinate system, and reading a nearest distance between each triangle and a nearest point in the point-cloud. Furthermore, the method includes assigning a color to each triangle according to the tolerance ranges, and outputting a measuring report of the object.

Abstract: The present invention discloses a single-plate dual-band antenna for a wireless network device. The antenna comprises a base portion, a ground portion, a radiating portion and a signal portion. The base portion is combined with the wireless network device. The ground portion has an end connected with the base portion and extends upwards from the base portion to a certain height. The signal portion is generally perpendicular to the radiating portion, the ground portion and the base portion, respectively. The signal portion has an upper side and a lower end. The upper side is formed with a connecting edge connected with the radiating portion while the lower end is formed with a feed pin, so that the signal portion generally has a downwardly tapered, inverted triangular structure. The radiating portion further comprises a first radiating section and a second radiating section.

Abstract: The present invention discloses a single-plate dual-band antenna for a wireless network device. The antenna comprises a base portion, a ground portion, a radiating portion and a signal portion. The base portion is combined with the wireless network device. The ground portion has an end connected with the base portion and extends upwards from the base portion to a certain height. The signal portion is generally perpendicular to the radiating portion, the ground portion and the base portion, respectively. The signal portion has an upper side and a lower end. The upper side is formed with a connecting edge connected with the radiating portion while the lower end is formed with a feed pin, so that the signal portion generally has a downwardly tapered, inverted triangular structure. The radiating portion further comprises a first radiating section and a second radiating section.

Abstract: A system for measuring a three-dimensional object is provided. The system measures differences between a 3D model of an object and a point cloud of the object, and highlights the differences on the 3D model using different colors according to difference ranges that the differences fall.

Abstract: A computer security system includes a motherboard, a power supply, and a lock. The power supply supplies power to the motherboard via a power supply circuit. The lock includes a key, and the lock is electrically connected between the motherboard and the power supply. The key controls open and closed states of the power supply circuit.

Abstract: A differential pair signal lines matching circuit includes a pair of differential pair signal lines coupled to a receiver, a first terminal resistor, a second terminal resistor, and a capacitor. The first terminal resistor is coupled at one end to one of the differential pair signal lines near the receiver. The second terminal resistor is coupled at one end to another one of the differential pair signal lines near the receiver. The capacitor is coupled between the other ends of the first terminal resistor and the second terminal resistor. The differential pair matching circuit eliminates noise and non-monotonic glitches of a signal transmitted on differential pair signal lines without influencing a signal voltage thereof.

Abstract: The present invention provides a VoIP communication remote control system. A network signal processing unit retrieves a network data packet from an Internet, the network data packet is de-packeted by a central processing unit to obtain an encoded visual signal and an encoded income-call data stream, after the encoded visual signal is decoded by the encode/decode module, an image data stream and an audio data stream are generated, the encoded income-call data stream is wirelessly radiated, and the medium playing unit receives and plays the image data stream and the audio data stream. The remote controller is wirelessly receives the encoded income-call data stream, the encoded income-call data stream is transmitted to the speech receive/transmit unit and played after decoded by the data conversion unit, the control unit wirelessly transmits a control command to the central processing unitto control the medium playing unit through the encode/decode module.

Abstract: An exemplary low noise blower fan includes a base plate for supporting a rotating shaft and a bearing. The shaft is rotated in the bearing. A vibration damping pad is attached to the base plate. The pad is made of damping material. Accordingly, vibration caused by the base plate can be damped by the pad, whereby noise of the fan is suppressed.

Abstract: An objective lens actuator includes a base, a suspension apparatus mounted on the base, a holder for holding an objective lens, the holder suspended by the suspension apparatus, and a voice coil motor (VCM) driving the holder to vibrate, wherein the VCM includes a pair of yokes, each of the pair of yokes includes a first part and a second part, the first part and the second part are joined in a generally rectangular shape. The objective lens actuator can form an even magnetic field Allowing very precise focusing of a lens.

Abstract: An objective lens actuator includes a base, a suspension apparatus mounted on the base, a holder for holding an objective lens, the holder suspended by the suspension apparatus, and a voice coil motor (VCM) driving the holder to vibrate, wherein the VCM comprises a pair of U-shaped yokes, one sidewall of each of the yokes is defined an aperture in a center. The objective lens actuator can form a uniform magnetic field so that it can have a very precision of focusing the laser light at a correct track. That is to say a pickup having the objective lens actuator can very accurately write or read information of memories.