Patent application number | Description | Published |
20110094334 | REVERSING TRANSMISSION - The REVERSING TRANSMISSION includes a shaft, a retainer, a spacing collar, a plurality of reversing members, two gears and two covers. The holder is sleeved on the shaft with spaced sliding notches formed thereon. The spacing collar is mounted on an outer surface of the retainer. The reversing members each includes two spaced swing plates with two reversed spiral teeth dented on two diagonal half surfaces of the two spaced swing plate. The reversing members slide into the sliding notches of the holder with two swing plates distributed at different side of the spacing collar. Each of the gears has a group of spiral teeth formed on the inner side for engaging with the group of spiral teeth of the reversing members, and cogs formed on the outer circumference surface. The covers are mounted on two opposite ends of the holder to keep the reversing member in position. | 04-28-2011 |
20110114379 | PRINTED CIRCUIT BOARD - A printed circuit board can support different connectors by selectively setting connection components on the printed circuit board without changing wiring of transmission lines or making new vias in the printed circuit board. | 05-19-2011 |
20110235956 | BEARING - A bearing includes a main body, a plurality of first magnetic members, a plurality of second magnetic members, and a plurality of friction members. The main body defines a pivot hole, and a plurality of first receiving portions and a plurality of second receiving portions around the pivot hole. Each of the second receiving portions defines a cutout. The first magnetic members are received in the first receiving portions. The second magnetic members together with the friction members are received in the second receiving portions, thus generating a repelling force between the first magnetic members and the second magnetic members to impel the friction members to partially extend out of the cutouts. | 09-29-2011 |
20110271025 | COMPUTER MOTHERBOARD - A computer motherboard includes a printed circuit board which includes a central processing unit (CPU) socket and a group of memory slots. The group of memory slots includes an in-line type memory slot and a surface mounted device (SMD) type memory slot. The in-line type memory slot includes a number of plated through holes. The SMD type memory slot is set between the in-line type memory slot and the CPU socket. The through holes of the in-line type memory slot are connected to the CPU socket through traces, pads of the SMD type memory slot are connected to corresponding through holes of the in-line type memory slot having the same pin definition. | 11-03-2011 |
20120066655 | ELECTRONIC DEVICE AND METHOD FOR INSPECTING ELECTRICAL RULES OF CIRCUIT BOARDS - An electronic device and method for inspecting electrical rules of circuit boards includes selecting at least two design files that record electrical rules of the circuit boards and searching the electrical rules in the selected design files using preset parameter keywords. Same electrical rules of the selected design files are acquired by comparing the electrical rules in the selected design files. The same electrical rules and corresponding parameter values are input to a comparison table, and the comparison table is output. | 03-15-2012 |
20120125679 | PRINTED CIRCUIT BOARD HAVING DIFFERENTIAL VIAS - A printed circuit board includes an insulating board, a pair of differential vias, and a number of wiring layers. A pair of via holes extends through opposite surfaces of the insulating board. The differential vias correspond to the pair of via holes. Each differential via includes a metal plated barrel and two via capture pads. The plated barrel is plated on the inner surface of the respective via hole, and terminates at each of the two opposite surfaces of the insulating board. The via capture pads are formed on the opposite surfaces of the insulating board around the openings of the via hole, and are electrically connected to the plated barrel. The wiring layers are arranged in the insulating board, and each define a clearance hole surrounding all of the via capture pads. | 05-24-2012 |
20120145448 | PRINTED CIRCUIT BOARD WITH COMPOUND VIA - A printed circuit board (PCB) with compound via includes a substrate and a pair of through holes passing through the substrate. The substrate includes a signal layer which is the top layer of the substrate, a first reference layer adjacent to the signal layer, and a second reference layer not adjacent to the signal layer. A first and a second pair of pads are mounted on the signal layer. Each of the through holes extends through the first pair of pads such that the through hole and the first pair of pads jointly form a compound via. A first reserved opening is formed on the first reference layer and corresponds to the first and the second pair of pads and the compound via. A second reserved opening is formed on the second reference layer and surrounds the through hole thereon. | 06-14-2012 |
20120147579 | PRINTED CIRCUIT BOARD - A printed circuit board includes a high-speed differential signal control chip, first to eighth coupling capacitor pads, first to fourth connector pads, a first transmission line, a second transmission line, a third transmission line, a fourth transmission line, first to eighth transmission lines, two ninth transmission lines, first and second vias, and first to fourth sharing pads. The printed circuit board is operable to selectively support multiple connectors. | 06-14-2012 |
20120174054 | PRINTED CIRCUIT BOARD LAYOUT SYSTEM AND METHOD - A computing system includes a drawing unit and a layout unit. The computing system sets components parameters to components of a circuit diagram of a printed circuit board (PCB). The drawing unit draws the circuit diagram by using the components with the components parameters. If the drawing unit wants to use a component more than once, the computing system copies the component and the corresponding components parameters. The drawing unit uses the copied components and the corresponding parameters. If the circuit diagram has been drawn, the layout unit loads the circuit diagram and wires the PCB according to the components and the components parameters in the circuit diagram. | 07-05-2012 |
20120221989 | ELECTRONIC DEVICE AND METHOD OF AUTOMATICALLY TESTING TRANSMISSION LINES - An electronic device and method of automatically testing the transmission lines of a PCB. Design requirements of transmission lines are predetermined and a wiring diagram is acquired according to a designated wiring diagram storage path. Some basic parameters of each transmission line of the diagram are applied in excluding one or more transmission lines which may not meet the design requirements, then, the excluded transmission lines are marked and/or highlighted. A report of the transmission lines is generated using a report template. | 08-30-2012 |
20120273258 | PRINTED CIRCUIT BOARD - A printed circuit board includes a first signal layer, a first reference layer, a second signal layer, and a third signal layer in that order and includes a first slanted via and a second slanted via. The first signal layer includes an parallel first transmission wire and a second transmission wire. The first and second transmission wires are coupled with each other and cooperatively constitute a first differential pair with an edge-coupled structure. The second signal layer includes a third transmission wire. The third signal layer includes a fourth transmission wire parallel to and coupled with the third transmission wire. The third and fourth transmission wires cooperatively constitute a second differential pair with a broadside-coupled structure. The first slanted via obliquely are interconnected between the first transmission wire and the third transmission wire. The second slanted via obliquely are interconnected between the second transmission wire and the fourth transmission wire. | 11-01-2012 |
20120304145 | ELECTRONIC DEVICE AND WIRING METHOD FOR CIRCUIT BOARDS - An electronic device includes a wiring unit. The wiring unit creates one or more circuit diagrams for a design of a first circuit board, and setting electrical rules for components of the first circuit board in each of the one or more diagrams. Based on the one or more diagrams having the electrical rules, the wiring unit generates a wiring diagram for the design of the first circuit board by executing a wiring application. If a second circuit board desires to use a circuit diagram of the first circuit board, the wiring unit copies the circuit diagram having the electrical rules into the wiring application. Then, based on the copied circuit diagram having the electrical rules and particular circuit diagrams of the second circuit board, and the wiring unit creates a wiring diagram for the design of the second circuit board by executing the wiring application. | 11-29-2012 |
20130007690 | ELECTRONIC DEVICE AND SIMULATION METHOD FOR CHECKING PRINTED CIRCUIT BOARD POWER LOSS - An electronic device reads a layout file of a printed circuit board (PCB) to be manufactured from a storage device, obtains length information and section area information of copper cladding distributed on power source areas and ground trace areas in each of one or more layers of the PCB to be manufactured by analyzing the layout file, and calculates power loss in each of the one or more layers according to the length information, the section area information, a resistance value of the copper cladding, and preset parameters of a power supply module and an integrated circuit (IC) load to be located on the PCB. In response to a determination that the power loss in the layer exceeds a preset range, the electronic device indicates the locations of the power source areas and the ground trace areas of a layer in the PCB layout file which need to be redesigned. | 01-03-2013 |
20130016466 | MOTHERBOARD CAPABLE OF REDUCING ELECTROMAGNETIC INTERFERENCEAANM YEN; SHIN-TINGAACI Tu-ChengAACO TWAAGP YEN; SHIN-TING Tu-Cheng TWAANM CHEN; YUNG-CHIEHAACI Tu-ChengAACO TWAAGP CHEN; YUNG-CHIEH Tu-Cheng TWAANM HO; DUEN-YIAACI Tu-ChengAACO TWAAGP HO; DUEN-YI Tu-Cheng TW - A motherboard includes a printed circuit board (PCB), a central processing unit (CPU), a regulator, a first memory adaptor, and a second memory adaptor. The PCB includes a top surface, a bottom surface, a plurality of first soldering pads and first leads arranged on the top surface, and a plurality of second leads arranged between the top surface and the bottom surface. The PCB defines a plurality of first vias, second vias, and power vias. The CPU is connected to the first vias. The voltage regulator is connected to the power vias. The first memory adaptor neighbors to the regulator and is surface-mount soldered to the first soldering pads. The first soldering pads are connected to the first vias by first leads. The second memory adaptor is soldered to the second vias. The second vias are connected to the first vias by the second leads. | 01-17-2013 |
20130151732 | ELECTRONIC DEVICE AND PORT REDUCING METHOD - An exemplary port reducing method is for removing unselected ports of an original S-parameter file and generating an optimized S-parameter file. The method controls a display unit to display a user interface to receive commands from a user in response to user operation; the commands comprise a calling command, a selecting command, and an executing command. The method obtains the original S-parameter file in response to the calling command Next, the method determines which of the ports of the original S-parameter file are unselected in response to the selecting command, and connects each unselected port to the ground through one terminal impedance. The method then generates an optimized S-parameter file that comprises only the selected ports in response to the executing command. | 06-13-2013 |
20130163646 | ELECTRONIC DEVICE HAVING SIGNAL-EQUALIZING SYSTEM AND METHOD FOR SETTING THE SIGNAL-EQUALIZING SYSTEM - A method for setting a signal-equalizing system for use in an electronic device includes the following steps. Outputting a connection status of each channel and a number of misconnect options respectively associated with each channel to a display unit of the electronic device. Then, detecting whether at least one misconnect option is selected. If yes, determining a misconnected channel and adjusting the receiving setting for the receiving port of the misconnected channel to match with the transmitting setting for the transmitting port of the misconnected channel according to settings for each channel stored in the electronic device. The stored settings for each channel include a transmitting setting for the transmitting port of the channel and a receiving setting for the receiving port of the channel that matches the transmitting setting. | 06-27-2013 |