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    • 3. 发明授权
    • Parallel analog-digital monitoring system
    • 并行模拟数字监控系统
    • US5619131A
    • 1997-04-08
    • US201620
    • 1994-02-25
    • Josef LelleGerhard H. Ulrich
    • Josef LelleGerhard H. Ulrich
    • F23N1/02G05B1/02G05B9/03G05B15/02G05D13/62G01P3/48
    • G05B9/03
    • An electronic monitoring system provides an actual value sensor which detects an actual value of a component to be monitored, e.g., the rotational speed of a drive motor, and emits actual value signals, a signal path along which actual value signals are transmitted, and an evaluating unit connected to the signal path. The signal path is divided into two separate but parallel signal paths along which the actual value signals emitted by the actual value sensor are processed differently. For example, the actual value signals emitted by the actual value sensor may undergo digital signal processing along one path and analog signal processing along the other path. The actual value signals transmitted along the two paths are received by the evaluating unit which compares the signals and initiates appropriate steps if there are deviations between the two sets of actual value signals.
    • 电子监控系统提供实际值传感器,其检测要监视的部件的实际值,例如驱动电动机的转速,并发射实际值信号,发送实际值信号的信号路径,以及 评估单元连接到信号路径。 信号路径被分成两个分开但平行的信号路径,由实际值传感器发射的实际值信号沿着该信号路径被不同地处理。 例如,由实际值传感器发出的实际值信号可以沿着一个路径进行数字信号处理,并沿着另一个路径进行模拟信号处理。 沿着两条路径发送的实际值信号由比较信号的评估单元接收,并且如果两组实际值信号之间存在偏差,则启动适当的步骤。
    • 4. 发明授权
    • Power supply for a redundant computer system in a control system
    • 控制系统中冗余计算机系统的电源
    • US5513062A
    • 1996-04-30
    • US201543
    • 1994-02-25
    • Jurgen PaulAnton Pallek
    • Jurgen PaulAnton Pallek
    • G06F1/28F23N5/24F23N5/26G06F1/30H02H3/20H02H3/24
    • F23N5/242F23N5/265G06F1/30F23N2023/08F23N2027/16F23N2031/04F23N2031/20
    • A simplified and economical power supply for redundant computer systems of control systems is disclosed. These control systems may include burner control for furnaces. The safety and reliability of the system are increased. The power supply comprises one single common voltage supply in the form of a self-monitoring power pack unit SN having a power pack NT, an undervoltage monitor UW and an overvoltage monitor. The self-monitoring power pack unit communicates with the redundant computer units P1, P2 via a supply line 1e. This single self-monitoring power pack unit is used according to the invention instead of the known fully parallel two-channel operation with two computer units and two power packs with appertaining components and supply lines. The overvoltage monitor UW and the undervoltage monitor UW are preferably checked for operability through the periodic transmission of a test signal.
    • 公开了用于控制系统的冗余计算机系统的简化和经济的电源。 这些控制系统可以包括用于炉的燃烧器控制。 系统的安全可靠性得到提高。 电源包括一个具有电源组NT,欠压监视器和过电压监视器的自监控电源组件SN形式的单个公共电压源。 自监控电源组单元经由电源线1e与冗余计算机单元P1,P2通信。 根据本发明使用该单个自监控电源组件单元,而不是已知的完全并行的双通道操作,具有两个计算机单元和两个具有组件和电源线的电源组。 优选通过测试信号的周期性传输来检查过电压监视器ÜW和欠压监视器UW的可操作性。
    • 6. 发明授权
    • Integrated circuit with an integrated color-selective photo diode and an
amplifier following the photo-diode
    • 具有集成彩色选择性光电二极管的集成电路和跟随光电二极管的放大器
    • US5382824A
    • 1995-01-17
    • US91663
    • 1993-07-13
    • Radivoje Popovic
    • Radivoje Popovic
    • H01L27/14H01L27/144H01L31/101H01L31/11H01L31/00
    • H01L27/1443H01L31/101H01L31/11
    • An integrated circuit includes a photo diode having a first electrically isolated portion of an epitaxial layer of a first conductivity type, a first semiconductor layer of a second conductivity type disposed therein, a second semiconductor layer of the first conductivity type disposed in the first semiconductor layer, and a third semiconductor layer of the second conductivity type disposed in the second semiconductor layer. A vertical bipolar transistor connected to the diode includes a collector layer including a second electrically isolated portion of the epitaxial layer of the first conductivity type, a base layer of the second conductivity type, disposed therein, which base layer is approximately as thick, in a direction X perpendicular to the surface, and is doped with an approximately equal concentration of impurities, as the first semiconductor layer of the photo diode, and an emitter layer of the first conductivity type disposed in the base layer which is approximately as thick, in the direction X, and is doped with an approximately equal concentration of impurities, as the second semiconductor layer of the photo diode. The second semiconductor layer is doped with a concentration Y of impurities and has an active region with a thickness W.sub.1 in the direction X and the base layer is doped with a concentration Z of impurities and has an active region with a thickness W.sub.2 in the direction X such that ##EQU1## where x is measured in the direction X.
    • 集成电路包括具有第一导电类型的外延层的第一电隔离部分的光电二极管,设置在其中的第二导电类型的第一半导体层,设置在第一半导体层中的第一导电类型的第二半导体层 以及设置在第二半导体层中的第二导电类型的第三半导体层。 连接到二极管的垂直双极晶体管包括集电极层,该集电极层包括第一导电类型的外延层的第二电隔离部分,第二导电类型的基极层,设置在其中,该基极层大致相同厚度 方向X垂直于表面,并且掺杂有大致相等的杂质浓度,作为光电二极管的第一半导体层,以及布置在基底层中的第一导电类型的发射极层,其大致相同 方向X,并且掺杂有大致相等的杂质浓度作为光电二极管的第二半导体层。 第二半导体层掺杂有杂质浓度Y,并且具有在方向X上具有厚度W1的有源区,并且基底层掺杂有杂质浓度Z,并且具有在方向X上具有厚度W2的有源区 这样其中x在方向X上测量。
    • 9. 发明授权
    • Coin detector
    • 硬币检测器
    • US5411126A
    • 1995-05-02
    • US72913
    • 1993-05-17
    • Thomas Seitz
    • Thomas Seitz
    • G07D5/08G07F1/04H01F17/00H01F41/02
    • G07D5/08G07D5/02Y10T29/4902
    • An inductive coin detector to recognize the presence of coins (2) in a coin channel (1) uses a high-frequency alternating magnetic field. The detector is equipped with a flat coil (3) located outside the coin channel (1). A high-frequency alternating magnetic field produced by the rail (3) penetrates the coin channel (1) at a right angle to the coin movement direction (13). The coil (3) consists at least of a flat helicoidal conductor arrangement and is part of the LC oscillator. The oscillator circuit, together with a measuring circuit, constitutes a detector circuit (4) for the recognition of a change in oscillator frequency caused by the presence of the coin (2). The coil (3) and the detector circuit (4) are located on a common support in immediate proximity of each other and can be enclosed in a flat housing. The coin detector can be connected by means of a three-strand line comprising a feeder (7) and a signalling line (9).
    • 用于识别硬币通道(1)中的硬币(2)的存在的感应式硬币检测器使用高频交变磁场。 检测器配备有位于硬币通道(1)外部的扁平线圈(3)。 由轨道(3)产生的高频交变磁场以与硬币运动方向(13)成直角的方式贯穿硬币通道(1)。 线圈(3)至少由扁平螺旋导体构成,并且是LC振荡器的一部分。 振荡器电路与测量电路一起构成用于识别由硬币(2)的存在引起的振荡器频率变化的检测器电路(4)。 线圈(3)和检测器电路(4)位于彼此紧邻的公共支撑件上,并且可以封闭在平坦的壳体中。 硬币检测器可以通过包括馈线(7)和信令线(9)的三股线连接。