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    • 1. 发明授权
    • MMC unit
    • MMC单元
    • US5565854A
    • 1996-10-15
    • US356226
    • 1994-12-19
    • Minoru KataokaYutaka Sakai
    • Minoru KataokaYutaka Sakai
    • G05B15/02G05B19/4063G05B19/414G06F15/78G09G3/20G09G5/00G05B23/02
    • G05B19/4142G05B2219/34205G05B2219/34279Y10S345/904
    • A man machine controller (MMC) unit is connected to a computer numerical control apparatus and controls a servoamplifier or a machine such as a machine tool, a robot, or a plastic mold injection machine. The MMC permits easy upgrading, changing, and the like of display functions. The MMC includes a control circuit board for controlling the MMC unit in accordance with a command supplied from the computer numerical control apparatus. The control circuit board is equipped with a socket to which a personal computer function card is detachably connected. The personal computer function card has a processor which controls images to be displayed on a display such as an LCD. The MMC also inputs data for processing by a main processor. The main processor controls the servoamplifier or the machine in response to the input data.
    • PCT No.PCT / JP94 / 00667 Sec。 371日期1994年12月19日第 102(e)日期1994年12月19日PCT 1994年4月21日PCT PCT。 出版物WO94 / 27197 日期1994年11月24日人机控制器(MMC)单元连接到计算机数字控制装置并控制伺服放大器或机器,例如机床,机器人或塑料注塑机。 MMC允许显示功能的轻松升级,更改等。 MMC包括用于根据从计算机数字控制装置提供的命令来控制MMC单元的控制电路板。 控制电路板配备有个人计算机功能卡可拆卸地连接到的插座。 个人计算机功能卡具有控制图像显示在诸如LCD的显示器上的处理器。 MMC还输入数据以供主处理器处理。 主处理器根据输入数据控制伺服放大器或机器。
    • 5. 发明授权
    • Method and system for transmission of serial data
    • 串行数据传输的方法和系统
    • US4347609A
    • 1982-08-31
    • US179935
    • 1980-08-20
    • Hiroomi FukuyamaShinichi IsobeMikio YonekuraMinoru Kataoka
    • Hiroomi FukuyamaShinichi IsobeMikio YonekuraMinoru Kataoka
    • H04L1/00H04L1/14H04L1/16H04L29/14G06F11/08
    • H04L1/14
    • A method and system for transmitting N-bit serial data (where N is a positive number) in the form of a bit serial, including a data sending circuit, a data receiving circuit and data transmission lines. The system includes a first data transmission line; a second transmission line; a transfer circuit, provided in the receiving means, for sending back to the data sending circuit through the second data transmission line, the bit content of received N-bit data each time one bit of the N-bit data is received through the first data transmission line; a comparison circuit, provided in the data sending circuit, for comparing the transmitted bit content and the bit content sent back on the second data transmission line; and a detection circuit provided in the data receiving circuit. The data sending circuit is adapted to transmit as a start bit a signal of a prescribed logical value before the N-bit serial data is sent, and, as an alarm bit, the results of the comparison after the N-bit serial data has been sent. The detection circuit detects whether the logical values of the start bit and the alarm bit are prescribed logical values, so that a transmission error or a break in a transmission line can be detected.
    • 用于以位串行的形式发送N位串行数据(其中N为正数)的方法和系统,包括数据发送电路,数据接收电路和数据传输线。 该系统包括第一数据传输线; 第二传输线; 在接收装置中设置的用于通过第二数据传输线发送回数据发送电路的传送电路,每当通过第一数据接收到N位数据的一位时,接收的N位数据的位内容 传输线; 比较电路,设置在所述数据发送电路中,用于比较所发送的比特内容和在所述第二数据传输线上发回的比特内容; 以及设置在数据接收电路中的检测电路。 数据发送电路适于在发送N位串行数据之前作为起始位发送规定逻辑值的信号,并且作为报警位,在N位串行数据已经被执行之后的比较结果 发送。 检测电路检测起始位和报警位的逻辑值是否为规定的逻辑值,从而可以检测到传输线中的传输错误或中断。