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    • 44. 发明申请
    • COMPUTER-AIDED DESIGN SYSTEM AND METHOD FOR SIMULATING PCB SPECIFICATIONS
    • 计算机辅助设计系统和模拟PCB规格的方法
    • US20100269080A1
    • 2010-10-21
    • US12558682
    • 2009-09-14
    • SHEN-CHUN LIYUNG-CHIEH CHENSHOU-KUO HSU
    • SHEN-CHUN LIYUNG-CHIEH CHENSHOU-KUO HSU
    • G06F17/50
    • G06F17/5036
    • A computer-aided design system and method are provided. The computer-aided design method reads PCB design data from a storage system, obtains a plurality of circuit signals from the PCB design data, and groups the differential signals into a plurality of differential signal pairs. The computer-aided design method further sets a signal design standard for each of the differential signal pairs according to the electrical characteristics of the differential signal pair, and compiles each of the signal design standards into an instruction set. In addition, the computer-aided design method generates a PCB design specification by integrating each of the instruction sets and the PCB design data, and stores the PCB design specification into the storage system.
    • 提供了一种计算机辅助设计系统和方法。 计算机辅助设计方法从存储系统读取PCB设计数据,从PCB设计数据获取多个电路信号,并将差分信号分组为多个差分信号对。 计算机辅助设计方法还根据差分信号对的电特性设定每个差分信号对的信号设计标准,并将每个信号设计标准编译成指令集。 此外,计算机辅助设计方法通过集成指令集和PCB设计数据中的每一个生成PCB设计规范,并将PCB设计规范存储到存储系统中。
    • 45. 发明申请
    • AUTOMATIC SYSTEM AND METHOD FOR PROVIDING PCB LAYOUT
    • 用于提供PCB布局的自动系统和方法
    • US20100257504A1
    • 2010-10-07
    • US12436764
    • 2009-05-06
    • YUNG-CHIEH CHENSHEN-CHUN LIHSIEN-CHUAN LIANGSHOU-KUO HSU
    • YUNG-CHIEH CHENSHEN-CHUN LIHSIEN-CHUAN LIANGSHOU-KUO HSU
    • G06F17/50
    • G06F17/5068H05K1/0251H05K3/0005H05K3/429
    • An automatic system for providing printed circuit board (PCB) layout of a PCB includes an input device, a data processing device, and a storage device. The data processing device includes an invoking module, a calculating module, and a determining module. The invoking module is to read a name and a thickness of each layer of the PCB from the storage device. The calculating module is to calculate an actual length of a via stub of each layer according to the name and thickness of each layer, and calculate an ideal length of the via stub of the PCB according to input information from the input device, and a preset formula. The determining module is to compare the ideal length and the actual length of the via stub of each layer to determine whether the layer can be used as a high-speed signal layout layer or not.
    • 用于提供PCB的印刷电路板(PCB)布局的自动系统包括输入装置,数据处理装置和存储装置。 数据处理装置包括调用模块,计算模块和确定模块。 调用模块是从存储设备读取PCB的每个层的名称和厚度。 计算模块是根据各层的名称和厚度来计算每一层的通孔短截线的实际长度,并根据输入设备的输入信息计算PCB的通孔短路的理想长度,并预设 式。 确定模块是比较每个层的通孔短路的理想长度和实际长度,以确定该层是否可以用作高速信号布局层。
    • 48. 发明申请
    • DIFFERENTIAL SIGNAL TRANSMISSION DEVICE
    • 差分信号传输装置
    • US20110038427A1
    • 2011-02-17
    • US12560445
    • 2009-09-16
    • SHOU-KUO HSUCHENG-HSIEN LEEYING-TSO LAIHSIAO-YUN SUJIA-CHI CHEN
    • SHOU-KUO HSUCHENG-HSIEN LEEYING-TSO LAIHSIAO-YUN SUJIA-CHI CHEN
    • H04L27/00
    • H04L25/0272
    • A differential signal transmission device transmits N differential signal pairs from a differential signal generator to a number of receiving terminals. The N differential signal pairs include N positive signals and N negative signals. The N positive signals are clustered at a first positive clustering point. The first positive clustering point is connected to a second positive clustering point via a first matching resistor. The second positive clustering point is grounded via a first grounding resistor, and outputs a number of positive signals to the number of receiving terminals respectively. The N negative signals are clustered at a first negative clustering point. The first negative clustering point is connected to a second negative clustering point via a second matching resistor. The second negative signal clustering point is grounded via a second grounding resistor, and outputs a number of negative signals to the number of receiving terminals respectively.
    • 差分信号传输装置将差分信号发生器的N个差分信号对发送到多个接收终端。 N个差分信号对包括N个正信号和N个负信号。 N个正信号聚集在第一个正聚类点。 第一正聚集点通过第一匹配电阻连接到第二正聚集点。 第二个正聚集点通过第一接地电阻接地,并分别输出多个正信号到接收端的数量。 N个负信号聚集在第一个负聚类点。 第一负聚集点通过第二匹配电阻器连接到第二负聚集点。 第二负信号聚簇点通过第二接地电阻接地,并分别输出多个负信号至接收端数。