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公开(公告)号：US06317458B1
公开(公告)日：2001-11-13
申请号：US09217022
申请日：1998-12-21
IPC分类号： H02H318
CPC分类号： H02M3/156 , H02M1/32 , H02M2003/1555
摘要： A driver for producing a desired pulse width modulated current through a load has a driver control for storing diagnostics codes in a diagnostic register responsive to detection of at least one electrical fault condition in a circuit including the load. A short circuit detection signal is generated in response a sensed current exceeding a programmed load current range for the driver, whereupon the driver control disables the load current and generates an interrupt signal to a microprocessor. Open circuits and shorts across the load are distinguished by way of a minimum current signal representative of a sensed current flowing through the load exceeding a predetermined minimum.
摘要翻译： 用于通过负载产生期望的脉宽调制电流的驱动器具有驱动器控制，用于响应于检测到包括负载的电路中的至少一个电气故障状况而将诊断代码存储在诊断寄存器中。 响应于检测到的电流超过驱动器的编程负载电流范围而产生短路检测信号，于是驱动器控制禁止负载电流并产生到微处理器的中断信号。 穿过负载的开路和短路通过表示流过负载的感测电流超过预定最小值的最小电流信号来区分。
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公开(公告)号：US5940782A
公开(公告)日：1999-08-17
申请号：US873881
申请日：1997-05-12
申请人： Paul C. Gottshall , Brian G. McGee
发明人： Paul C. Gottshall , Brian G. McGee
CPC分类号： H02M3/158
摘要： A method of calibrating a linear driver system including a linear driver circuit, logic means connected to an input line of the linear driver circuit, and information storage means associated with the logic means, involves testing the linear driver circuit once assembled. A predetermined test load and a test electrical energy source are connected to the linear driver circuit. A first input test voltage is applied to the input line of the linear driver circuit and a corresponding first current level through the test load is measured. A second input test voltage is applied to the input line of the linear driver circuit and a corresponding second current level through the test load is measured. The two measured current levels are stored in the information storage means for later retrieval during operation of the linear driver system.
摘要翻译： 一种校准线性驱动器系统的方法，包括线性驱动器电路，连接到线性驱动器电路的输入线的逻辑装置以及与逻辑装置相关联的信息存储装置，包括一旦组装就测试线性驱动电路。 预定的测试负载和测试电能源连接到线性驱动器电路。 第一输入测试电压被施加到线性驱动器电路的输入线，并且通过测试负载测量相应的第一电流电平。 第二输入测试电压被施加到线性驱动器电路的输入线，并且通过测试负载测量相应的第二电流电平。 两个测量的电流电平存储在信息存储装置中，以便在线性驱动器系统的操作期间进行后续检索。
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公开(公告)号：US5179346A
公开(公告)日：1993-01-12
申请号：US705457
申请日：1991-05-24
申请人： Brian G. McGee , Noel J. Rytter
发明人： Brian G. McGee , Noel J. Rytter
CPC分类号： G01N15/0656
摘要： An apparatus is adapted to detect particles within a fluid. The apparatus includes first and second electrodes within a housing. The first and second electrodes form a "V" shaped recess. A magnet is positioned within the housing to attract ferrous particles into the recess. The resistance between the first and second electrodes is measured as an indication of particles within the fluid.
摘要翻译： 一种装置适于检测流体内的颗粒。 该装置包括壳体内的第一和第二电极。 第一和第二电极形成“V”形凹槽。 磁体定位在壳体内以将亚铁颗粒吸引到凹部中。 测量第一和第二电极之间的电阻作为流体内颗粒的指示。
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