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    • 4. 发明授权
    • Circuit for supplying current
    • 供电电路
    • US5942883A
    • 1999-08-24
    • US860424
    • 1997-06-24
    • Karl-Heinrich PreisRobert KernJoerg Sutter
    • Karl-Heinrich PreisRobert KernJoerg Sutter
    • H02M3/155H02M3/00H02M3/158H05B41/288H05B41/38G05F1/613G05B24/02G05F1/40
    • H05B41/2882H02M3/005H02M3/158H05B41/2886H05B41/388Y02B20/202
    • A power-supply circuit having a switching regulator (10) and at least one additional circuit (14, 14') whose two respective outputs (11, 17) are guided together to a common or joint output (18) by diodes (D3, D3'; D4). The additional circuit (14, 14') produces, from an alternating quantity (15) occurring inside the switching regulator (10), a second output voltage (U+, U'+) that is in a second output-voltage range and is more positive with respect to the first output voltage (U-) that is made available at the first output (11) of the switching regulator (10) and is in a first output-voltage range. A gas-discharge lamp, for example, is provided as the load (L) between the first and second outputs. The division of the voltage ranges to be made available for the load (L) into at least two partial ranges permits a high effectiveness of the current-supply circuit of the invention.
    • PCT No.PCT / DE95 / 01618 Sec。 371日期:1997年6月24日 102(e)日期1997年6月24日PCT 1995年11月21日PCT PCT。 公开号WO96 / 20527 日期1996年7月4日具有开关调节器(10)和至少一个附加电路(14,14')的电源电路,其两个相应的输出(11,17)一起被引导到公共或联合输出(18) 通过二极管(D3,D3'; D4)。 附加电路(14,14')从开关调节器(10)内部发生的交变量(15)产生处于第二输出电压范围内的第二输出电压(U +,U'+) 相对于在开关调节器(10)的第一输出端(11)处可用的并处于第一输出电压范围的第一输出电压(U-)是正的。 例如,设置气体放电灯作为第一和第二输出之间的负载(L)。 将负载(L)可用于至少两个部分范围的电压范围的划分允许本发明的电流供给电路的高效率。
    • 6. 发明授权
    • Monitoring a computer network
    • 监控计算机网络
    • US5499336A
    • 1996-03-12
    • US249075
    • 1994-05-25
    • Karl-Heinrich PreisHarald BuhrenBernd Klumpp
    • Karl-Heinrich PreisHarald BuhrenBernd Klumpp
    • G06F11/00G06F11/34H04L12/26H04L12/413H04L29/14
    • G06F11/0751H04L43/0811H04L43/0823H04L69/40G06F11/0757H04L12/4135H04L43/045
    • A method is proposed for monitoring a computer network having at least two subscribers connected via a databus comprising at least two lines, said subscribers having in each case one receiving component and/or one transmitting component. The method is characterized by the fact that the functioning of the databus and/or the functioning of the subscriber is monitored with the aid of error detection signals (watch-dog signals, CEI) of at least one subscriber, and emergency operation measures (M1; M2), matched to the respective error case, for setting defined emergency modes of operation (single-wire mode, special emergency mode) are taken. After taking the first emergency operation measure (M1), it is tested whether the computer network is functioning free of errors. If this is the case, the first emergency operation measure is maintained and thus also the emergency mode of operation (single-wire emergency mode) adopted. If further errors should arise in the computer network after the first emergency operation measure has been taken, the first emergency operation measure is cancelled and the second emergency operation measure (M2) is taken. If, from now on, no further errors arise, the emergency operation mode, the special emergency mode, set by this measure is maintained. Only if further errors continue to arise are the affected subscribers or the entire computer network switched off (bus-off).
    • 提出了一种用于监视具有至少两个通过包括至少两条线路的数据总线连接的用户的计算机网络的方法,所述用户在每种情况下具有一个接收组件和/或一个发射组件。 该方法的特征在于,借助于至少一个用户的错误检测信号(看门狗信号,CEI)和紧急操作措施(M1)来监视数据总线的功能和/或用户的功能 ; M2)匹配相应的错误情况,用于设置定义的紧急操作模式(单线模式,特殊紧急模式)。 在采取第一个紧急操作措施(M1)后,测试计算机网络是否正常运行。 如果是这种情况,则维护第一紧急操作措施,因此也采用紧急操作模式(单线紧急模式)。 如果在采取第一次紧急操作措施之后在计算机网络中出现进一步的错误,则取消第一紧急操作措施并采取第二紧急操作措施(M2)。 如果从现在开始,没有进一步的错误出现,则采取这种措施确定的紧急运行模式,特殊应急模式。 只有继续出现进一步的错误,受影响的用户或整个计算机网络关闭(总线关闭)。
    • 9. 发明授权
    • Method for influencing the electrical power of a load with a pulse width modulated signal
    • 用脉冲宽度调制信号影响负载电力的方法
    • US06414459B1
    • 2002-07-02
    • US09581932
    • 2000-09-29
    • Lothar BorhoKarl-Heinrich Preis
    • Lothar BorhoKarl-Heinrich Preis
    • H02P706
    • H03K7/08H02H9/025
    • A method is proposed for influencing the electrical power of a load with the assistance of a pulse-width modulated signal, the latter including the requirement of a continuous turn-on signal. The method provides that the continuous turn-on signal is terminated by an interrupt signal and that the continuous turn-on signal is followed by a clock-pulse phase having at least one fundamental period duration of the pulse-width modulated signal, the period including a turn-off time. The occasional interruption of the pulse-width modulated signal, which is present as the continuous turn-on signal, makes it possible to detect an operational quantity of the load that only arises during a power change in the load.
    • 提出了一种借助于脉冲宽度调制信号来影响负载电力的方法,后者包括连续接通信号的要求。 该方法提供了连续接通信号由中断信号终止,并且连续接通信号之后是具有脉冲宽度调制信号的至少一个基本周期持续时间的时钟脉冲相位,该周期包括 关闭时间。 作为连续接通信号存在的脉冲宽度调制信号的偶然中断使得可以检测在负载的功率变化期间仅出现的负载的操作量。