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    • 3. 发明授权
    • Signal line increased current kicker terminator apparatus
    • 信号线增加了当前的踢针终止装置
    • US5313105A
    • 1994-05-17
    • US883303
    • 1992-05-14
    • Francis M. SamelaWilliam L. Zuckerman
    • Francis M. SamelaWilliam L. Zuckerman
    • G06F13/40H03H11/28
    • H04L25/0298G06F13/4086Y10T307/826
    • A terminator apparatus used with a SCSI bus line controls the voltage level of a notch occurring in data and/or control signals transferred on the bus line. The terminator apparatus includes a termination network, a current switching device, and a programmed monitoring circuit. The termination network generates a first current. The current switching device generates a second current. The monitoring circuit controls a programmed length of time that the second current is generated. The current switching device is responsive to the monitoring circuit for disconnecting the second current when the programmed length of time has been exceeded. The second current serves to raise the voltage level of the notch occurring in the signal lines when they are deasserted so as to prevent erroneous data from being transferred.
    • 与SCSI总线一起使用的终端装置控制在总线上传送的数据和/或控制信号中发生的陷波的电压电平。 终端装置包括终端网络,电流切换装置和编程监控电路。 终端网络生成第一个电流。 当前的开关装置产生第二电流。 监视电路控制生成第二电流的编程时间长度。 当已经超过编程的时间长度时,当前的开关装置响应于监视电路来断开第二电流。 第二电流用于在信号线被解除时发生在信号线中的电平电平升高,以防止错误的数据被传输。
    • 4. 发明授权
    • Terminator method and apparatus
    • 终结器方法和装置
    • US5239559A
    • 1993-08-24
    • US789365
    • 1991-11-08
    • William E. BrachWilliam L. Zuckerman
    • William E. BrachWilliam L. Zuckerman
    • H04B3/00H04L25/08
    • H04B3/00H04L25/08
    • A terminator method and apparatus used with a SCSI bus line for removing noise spikes or transients from data and/or control signals received on the bus line include a voltage regulator, a low voltage regulating circuit, a plurality of pull-up termination resistors, and a suppression network. The voltage regulator is responsive to an input termination power supply voltage for generating a regulated output voltage of a predetermined value. The low voltage regulating circuit is responsive to the regulated output voltage for generating a reference voltage. The plurality of pull-up resistors is interconnected between the regulated output voltage and a plurality of data and/or control signal lines coupled to the bus line for generating termination impedances. The suppression network is interconnected between at least one of the plurality of data and/or control signal lines and the reference voltage for removing transients from the data and/or control signals by limiting the range of the upper voltage level and the lower voltage level appearing thereon.
    • 与用于从总线上接收的数据和/或控制信号中消除噪声峰值或瞬变的SCSI总线一起使用的终端方法和装置包括电压调节器,低电压调节电路,多个上拉终端电阻器和 抑制网络。 电压调节器响应于输入终端电源电压以产生预定值的调节输出电压。 低电压调节电路响应于调节的输出电压以产生参考电压。 多个上拉电阻器在调节输出电压和耦合到总线线路的多个数据和/或控制信号线之间互连,用于产生终端阻抗。 抑制网络在多个数据和/或控制信号线中的至少一个和/或控制信号线之间互连,并且通过限制出现的高电压电平和较低电压电平的范围来从数据和/或控制信号中去除瞬变的参考电压 上。
    • 5. 发明授权
    • Combination of terminator apparatus enhancements
    • 终结器装置增强的组合
    • US5528167A
    • 1996-06-18
    • US228259
    • 1994-04-15
    • Francis M. SamelaWilliam L. Zuckerman
    • Francis M. SamelaWilliam L. Zuckerman
    • G06F3/00G05F1/569G06F13/40H03K17/16
    • G05F1/569G06F13/4077G06F13/4086H04L25/0298
    • An SCSI bus line apparatus including in combination at least two of any of an active deassertion (ADR) circuit, a signal line impedance matching (SLIM) circuit and a signal line increased circuit kicker (SLICK) circuit. In the ADR circuit, if a current sinking circuit senses an increased voltage on the common node of the signal lines of a bus due to active deassertion of a signal line, the current sinking circuit sinks enough current from the signal lines to prevent an over-current condition on asserted signal lines or soon-to-be asserted signal lines. In the SLIM circuit, transient voltages are removed from a signal line by limiting to within a range the voltages that can appear on the signal line. In the SLICK circuit, a current switching device is controlled to provide current to raise the voltage level of a notch occurring in a signal on a signal line when the line is deasserted, but is responsive to a monitoring circuit for disconnecting the current when a programmed length of time has been exceeded after assertion.
    • 一种SCSI总线线路装置,其包括有源消除(ADR)电路,信号线阻抗匹配(SLIM)电路和信号线增加电路斩波器(SLICK)电路中的至少两个电路。 在ADR电路中,如果电流吸收电路由于信号线的有效消除而感测总线信号线的公共节点上的电压增加,则电流吸收电路从信号线吸收足够的电流, 有效信号线或即将被断言的信号线上的当前状态。 在SLIM电路中,通过限制在可能出现在信号线上的电压的范围内,从信号线去除瞬态电压。 在SLICK电路中,电流开关器件被控制以提供电流以提高当线路被断言时在信号线上的信号中出现的陷波的电压电平,但是响应于监视电路以在编程时断开电流 断言后已经超过了时间长短。