Abstract: A multi-layer printed circuit board having a low noise characteristic, the multi-layer printed circuit board includes at least one circuit layer; at least one isolation line for dividing the at least one circuit layer into at least two areas, the at least one isolation line forming an open pattern and the at least one isolation line extendedly forming a long neck line into the at least one area; and at least one capacitor placed at one side of the opening of the open pattern in any one of the areas.

Abstract: A sliding rail mounting structure is disclosed to connect a sliding rail to a vertical column inside a server rack by securing a magnetic locating member to the vertical column by magnetic attraction and then inserting the locating pin of a U-clip at one end of the sliding rail into a locating hole in the locating member and one horizontal through hole in the vertical column and then inserting two screws through respective horizontal through holes in the vertical column and threading the screws into respective threaded nuts of the U-clip.

Abstract: An adjustable support structure for a panel computer includes: a cradle having a slide slot at a middle section, at least two fastening slots placed at a bottom surface of the slide slot, and at least two pairs of positioning holes separately corresponding to the fastening slots are placed on two side walls of the slide slot. The back end of the support prop is optionally pushed against one of the fastening slots in the cradle; therefore, the cradle, the back support and the support prop which form a triangularly linked structure. The elastic unit can be pressed to drive the two positioning tabs to leave the positioning holes, so that the support prop can slide along the parallel track until the back support is at a desired leaning angle.

Abstract: The present invention relates to a power converter, using input voltage provided by a fuel battery and processing an electrical characteristics transformation on the input voltage to output an output voltage to loading. The power converter comprises: a multiple-phase PWM controller to output multiple PWM control signals in accordance with the voltage level of output voltage; a multiple phase bridge converter to input and output the input voltage in accordance with the multiple PWM control signals; and a transformer to input and process an electrical characteristics transformation on the input voltage from the multiple phase bridge converters to output the output voltage. The multiple-phase PWM controller further comprises a PWM generator and at least one phase shifter.

Abstract: A screw-free fan bracket mounting structure includes a base frame mounted inside the case of a computer and a fan bracket fastened to the base frame for holding a cooling fan, the fan bracket having a top protruding block, a retaining block and a bottom hook, the base frame having an upper coupling hole, a retaining hole and a lower coupling hole for receiving the top protruding block, retaining block and bottom hook of the fan bracket respectively. The distance between the retaining block and bottom hook of the fan bracket is slightly greater than the distance between the retaining hole and lower coupling hole of the base frame so that the fan bracket is slightly compressed to produce an amount of plastic deformation and secured firmly to the base frame with an elastic force during installation.

Abstract: A security structure of portable hard disk drive is disclosed to include a bracket fixedly mounted in a computer case, a plurality of portable hard disk drives inserted into respective sliding grooves inside the bracket at different elevations, and a locking rod, for example, a long screw for insertiing through a through hole on the top panel of the bracket and a respective through hole on each portable hard disk drive and threading into a nut at the bottom panel of the bracket to affix the portable hard disk drives to the bracket. The locking rod is kept from sight after installation of the portable hard disk drives in the bracket and closing of the computer case.

Abstract: A LCD-TV capable of receiving two or more display signals is discloses. An indicator is provided with the LCD-TV to emit light of a specific color corresponding to a display signal when the display signal is displayed on a LCD panel of the LCD-TV.

Abstract: The present invention relates to a method of establishing a customized webpage desktop applied in an information apparatus. After an operating system is enabled, a shell program is initialized, and a browser is called to register the browser as a desktop format, and to cause the browser to display information on the corresponding desktop area of the information apparatus. A webpage file is read from a specific directory according to a path pointed to by the shell program. The webpage file has local application links. The browser reads the webpage file and displays the webpage file in the desktop format in the desktop area of the information apparatus to form the customized webpage desktop.

Abstract: A disk drive/player positioning structure includes a bracket, a sliding bottom plate coupled and movable forwards/backwards relative to the bracket, two sliding side plates coupled between the sliding bottom plate and the bracket for longitudinal displacement with the sliding bottom plate and transversely movable to each other relative to the bracket, and a disk drive/player mounted on the sliding bottom plate. The disk drive/player is locked that the disk drive/player is pushed backwards with the sliding bottom plate relative to the bracket and the sliding side plates are moved inwards toward each other to force locating rods thereof into respective locating holes in the disk drive/player, and is unlocked that the disk drive/player is pushed forwards with the sliding bottom plate relative to the bracket and the sliding side plates are moved outwards to disengage the locating rods from the locating holes of the disk drive/player.

Abstract: A heat sink vacuum packaging procedure to rapidly complete the packaging of a heat sink without drilling, pipe welding, vacuum pumping, or other processes. Because the packaging procedure saves much time and labor, the manufacturing cost of the heat sink is relatively reduced. During packaging, no welding process is employed, therefore the invention prevents accidentally flowing of tin solder into the inside of the heat sink to affect the quality of the heat sink, and the quality of the heat sink is maintained.

Abstract: A multi-layer printed circuit board having a low noise characteristic, the multi-layer printed circuit board includes: at least one circuit layer; at least one isolation line for dividing the at least one circuit layer into at least two areas, the at least one isolation line forms an open pattern and the at least one isolation line extendedly forms a long neck line into the at least one area, and an internal opening of the long neck line located at a geometric center of the at least one area to improve the isolation, especially for the noises near the resonant frequencies of the isolation areas.

Abstract: A method of implementing a plurality of system tray areas is disclosed, wherein each system tray area is defined with a particular size and used for displaying a plurality of registered icons to enable a user to select one icon to execute a corresponding system tray function, a first system tray area having a size that is larger than the size of a second system tray area. The method includes: initiating installation of an operating system in a computer system, wherein the computer system has a shell program, the shell program being used for interpreting and executing a command given from a user of the operating system; calling the shell program; and executing the shell program to enable a display of the computer system to display at least two system tray areas.

Abstract: A common lock used in a dual-usage portable computer formed of a base member and a display is disclosed to include a left-side hook and a right-side hook respectively pivoted to the base member on the inside, and an elongated operating frame bar axially slidably mounted inside the base member of the portable computer and coupled between the left-side hook and the right-side hook for operation by the user to bias the left-side hook and the right-side hook by means of a lever action and to further force the left-side hook and the right-side hook out of a respective through hole at the base member into engagement with a respective retaining block at the display to lock the display to the base member.

Abstract: The present invention relates to a microstrip reflective array antenna adopting a plurality of U-slot patches. The microstrip reflective array antenna comprises a reflective disk, a horn antenna and a support. The reflective disk is adapted to reflect microwave signals wherein a plurality of square patches are disposed on the upper surface of a first substrate and a plurality of U-slot patches corresponding to the square patches are disposed on the upper surface of a second substrate. In addition, the lower surface of the first substrate is stacked on the upper surface of a second substrate. The horn antenna is adapted to receive the microwave signals from the reflective disk, and the support is adapted to hold the horn antenna directly above the reflective disk.

Abstract: A display auto-locking structure includes a base member, an open frame pivoted to the base member and rotatable relative to the base member, a display pivotally mounted within the open frame and rotatable relative to the open frame, and a spring-supported cam rod mounted inside the open frame for locking the display to the open frame after the display has been set in one of two reversed positions within the open frame and for enabling the display to be rotated relative to the open frame after the open frame has been rotated relative to the base frame to a predetermined angle.

Abstract: A safety detachable back panel mounted on the back surface of a server is disclosed, which comprises a panel body having two plain holes, retaining mechanisms adapted to secure the panel body to heat radiation vents in the back surface of the server, two second screw-mounting holes respectively aligned between the plain holes and two first screw-mounting holes in the back surface of the server, and a lock unit having a swivel sheet capable of being turned by a key, wherein the swivel hook blocks the passages between the plain holes and the second screw-mounting holes, so the screws mounted on the second screw-mounting holes cannot be unauthorizedly accessed by a tool. As a result, the safety detachable back panel can protect the internal storage data and the connectors of the external data transmission devices.

Abstract: The present invention relates to an addressing type coin-dropping detector circuit, in which as any coin dropping and passing through the photo detector, impulses are produced from the detecting points of the external photo detector and then sent to the addressing type coin-dropping detector circuit. Followed by the enumerations performed by the addressing type coin-dropping detector circuit, an impulse-length value is derived and transmitted to the external circuit through addressing mechanism, which increases overall integrated level of the circuit with a more efficient design in terms of memory and circuit utilization.

Abstract: The present invention relates to a printed circuit board with low noise. A voltage source layer and a ground layer of the printed circuit board are divided into an analog area and a digital area respectively via an isolation line, and adapted to conduct voltage source signal and ground signal respectively. Because the isolation line is an open pattern and a capacitor adapts to position near the opening, the noise and the electro-magnetic parameter of the printed circuit board are reduced.