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公开(公告)号：EP0842073A1
公开(公告)日：1998-05-20
申请号：EP96923879.0
申请日：1996-06-20
发明人： ENGELMANN, Mario , ZYDEK, Michael , ZINKE, Olaf , FEY, Wolfgang
CPC分类号： B60R16/03 , B60T8/885 , B60T8/90 , B60T2270/406 , H03K17/082
摘要： A process is disclosed for monitoring a final stage component (1, 1') to which a plurality of inductive loads (L1, L2, Ln) are connected. The current that flows through these inductive loads is regulated by cyclically driving the end stages (8). The current generated in the locking phases of the end stages by the inductively stored energy is partially or temporarily led through a common current measurement device (RRCS, 4) and evaluated for testing the final stages, including the inductive loads (L1, L2, Ln).
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公开(公告)号：EP0646077A1
公开(公告)日：1995-04-05
申请号：EP93914679.0
申请日：1993-06-19
发明人： ZYDEK, Michael , FEY, Wolfgang , ZINKE, Olaf
CPC分类号： B60T8/885 , B60T2270/415 , G01P21/02 , H01H47/002
摘要： The invention concerns circuitry designed to recognize a short-circuit (or a line break) in an inductive circuit (1) connected via a high-resistance filter circuit (3) to a signal-processing circuit (2). The circuitry includes a monitoring circuit (4, 4') which is designed as part of or as an additional element to the signal-processing circuit (2) and which, when the ignition is switched on, initiates a test cycle designed to determine the inductance of the circuit (1) being monitored.
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3.发明公开
公开(公告)号：EP0783798A1
公开(公告)日：1997-07-16
申请号：EP95932768.0
申请日：1995-09-18
发明人： ZINKE, Olaf , FEY, Wolfgang , ZYDEK, Michael
摘要： For evaluating the output signal in the form of a binary current signal (IS) from an active sensor (1), a circuit is proposed in which a proportional current is derived from the sensor current (IS) with the aid of a current balancing circuit (2, 2'), and the current (I1) resulting from current balancing is drawn off from a stabilised voltage source (UK) via an ohmic resistor (R1), thereby generating a binary voltage signal (V1) which is applied to a flipflop (3) comparing the voltage signal (V1) with a reference voltage (UBez) composed of a reference voltage (URef) and a hysteresis voltage. The switching threshold of the flipflop (3) is varied or adjusted in accordance with the actual sensor current (IS), leakage currents, etc.
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公开(公告)号：EP0695250B1
公开(公告)日：1997-06-11
申请号：EP94911160.3
申请日：1994-03-12
发明人： ZYDEK, Michael , FEY, Wolfgang , ENGELMANN, Mario
IPC分类号： B60T8/88
CPC分类号： B60T8/885 , B60T17/22 , B60T2270/402 , H03K17/302 , H03K17/6874
摘要： A circuit for triggering warning lamps has an additional circuit (5) containing an automatic transistor circuit (P-FET3, P-FET4, R1) with a triggering circuit connected to the supply voltages (VCC5, VCC12). If the supply voltages are in order, the triggering circuit keeps the transistor blocked. If the power fails (VCC5 and/or VCC12), the transistors (P-FET3, P-FET4) of the automatic transistor circuit (P-FET3, P-FET3, R1) open a current path from the warning lamp terminal (WL-OUT) to the control terminal (G) of the power driver (2), making it possible for the power driver (2) and hence the warning lamp (3) to be switched on.
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公开(公告)号：EP0646077B1
公开(公告)日：1996-09-11
申请号：EP93914679.1
申请日：1993-06-19
发明人： ZYDEK, Michael , FEY, Wolfgang , ZINKE, Olaf
CPC分类号： B60T8/885 , B60T2270/415 , G01P21/02 , H01H47/002
摘要： The invention concerns circuitry designed to recognize a short-circuit (or a line break) in an inductive circuit (1) connected via a high-resistance filter circuit (3) to a signal-processing circuit (2). The circuitry includes a monitoring circuit (4, 4') which is designed as part of or as an additional element to the signal-processing circuit (2) and which, when the ignition is switched on, initiates a test cycle designed to determine the inductance of the circuit (1) being monitored.
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6.发明授权
公开(公告)号：EP0783798B1
公开(公告)日：1998-12-16
申请号：EP95932768.5
申请日：1995-09-18
发明人： ZINKE, Olaf , FEY, Wolfgang , ZYDEK, Michael
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公开(公告)号：EP0782513B1
公开(公告)日：1998-12-02
申请号：EP95934066.2
申请日：1995-09-18
发明人： ZYDEK, Michael , FEY, Wolfgang
IPC分类号： B60R16/02
CPC分类号： B60T8/17616 , B60T8/175 , B60T2270/206 , Y10T307/826 , Y10T307/858
摘要： A circuit arrangement is proposed for monitoring a control circuit which has a drive transistor (T1) with an inductive load (L) and a second transistor (T2) in a circuit arm parallel to the inductive load (L). The proposed circuit arrangement is provided with an additional external current-measuring device (T3, RM, 3): a switching element parallel to the drive transistor (T1) is provided, in particular a transistor (T3) and an ohmic measuring resistor (RM). At a test instant (ttest), the current (iL) flowing through the inductive load (L) is diverted to the measuring device and induces a voltage (KM) at the measuring resistor (RM) which is indicative of the status of the control circuit.
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8.发明公开
公开(公告)号：EP0799143A1
公开(公告)日：1997-10-08
申请号：EP95942125.0
申请日：1995-12-12
发明人： ZYDEK, Michael , FEY, Wolfgang
CPC分类号： G05B19/0428 , G05B2219/24042
摘要： In order to monitor the correct functioning of a microprocessor, microcontroller or other program-controlled circuit (1 - 5; 15), data processing results (W1) with data (W2) produced in a monitoring circuit (7 - 14; 17 - 30) independently of the monitored circuit and of the program flow are checked at preset intervals for deviations. If deviations indicative of a fault are found, a cut-out signal (Aus) is generated. To that end, data words or a data word sequence (W1) are produced during the program flow of the monitored circuit (1 - 5; 15) and forwarded to the monitoring circuit (7 - 14; 17 - 30) at predetermined times (T1). The monitoring circuit is used to monitor the content of the data words (W1) and the appearance at the predetermined times (T1) of the data words (W2).
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公开(公告)号：EP0577641B1
公开(公告)日：1995-03-15
申请号：EP92906673.6
申请日：1992-03-19
发明人： FEY, Wolfgang , ZYDEK, Michael
IPC分类号： B60T8/88
CPC分类号： B60T8/885 , B60T2270/414
摘要： A circuit (3) for an electronic regulator (1) is fitted with a monitoring circuit (4) which, on recognising a defect, an error in operation or a defective power supply, holds the operating components controlled by the regulator, like the magnetic valves (L1, L2 ... Ln) of an anti-lock braking system, to their inoperative position or resets them to this position. Before a power supply relay (Rel) is switched on, the monitoring circuit (4) first checks the connection of the relay to the power supply (IGN), the locked position of a switching transistor (TR) via which the power supply relay (Rel) is switched, and the separated position of the power supply contact (a). In addition, the monitoring circuit (4) reacts to overvoltages (SÜ).
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10.发明授权
公开(公告)号：EP0500562B1
公开(公告)日：1994-06-22
申请号：EP90915303.3
申请日：1990-10-18
CPC分类号： B60T8/172 , G01P3/481 , Y10T307/793
摘要： Described is a circuit arrangement for processing the output of a rev counter (5) and consisting essentially of a trigger circuit (1, 22) whose switchover points or 'hysteresis' can be controlled and which is fitted with circuits for determining a coupling factor (k) and with circuits for controlling the hysteresis as a function of this coupling factor. The coupling factor (k), multiplied by the rpm or the appropriate sensor-signal frequency, gives the amplitude of the sensor output signal. When the coupling factor (k) is high, the hysteresis curve is tall. When the coupling factor is small, the hysteresis curve is flat.
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