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    • 1. 发明申请
    • MIXED MODE FLUXGATE CURRENT TRANSDUCER
    • 混合模式FLUXGATE电流传感器
    • US20120139527A1
    • 2012-06-07
    • US13389779
    • 2010-08-10
    • Wolfram TeppanHiroshi ObataYori Hatakeyama
    • Wolfram TeppanHiroshi ObataYori Hatakeyama
    • G01R15/18
    • G01R19/20G01R15/185
    • Electrical current transducer comprising a measuring circuit (6) and an inductor (4) for measuring a primary current IP flowing in a primary conductor (2), the inductor comprising a saturable magnetic core (10) made of a highly permeable magnetic material and a secondary coil (12) for carrying an alternating excitation i configured to alternatingly saturate the magnetic core, the coil being connected to the measuring circuit. The measuring circuit is configured to measure a mean value of the excitation current in the secondary coil and determine therefrom a value of the primary current for small current amplitudes, the measuring circuit being further configured for evaluating the frequency of the excitation current i and determining therefrom the value of the primary current for large currents.
    • 电流传感器包括测量电路(6)和用于测量在一次导体(2)中流动的初级电流IP的电感器(4),所述电感器包括由高度可渗透的磁性材料制成的可饱和磁芯(10) 用于承载交替激励的次级线圈(12),其被配置成交替地使所述磁芯饱和,所述线圈连接到所述测量电路。 测量电路被配置为测量次级线圈中的激励电流的平均值并由此确定用于小电流幅度的初级电流的值,测量电路还被配置用于评估激励电流i的频率并由其确定 大电流的初级电流值。
    • 2. 发明授权
    • Mixed mode fluxgate current transducer
    • 混合模式磁通门电流传感器
    • US09217763B2
    • 2015-12-22
    • US13389779
    • 2010-08-10
    • Wolfram TeppanHiroshi ObataYori Hatakeyama
    • Wolfram TeppanHiroshi ObataYori Hatakeyama
    • G01R1/22G01R19/20G01R15/18
    • G01R19/20G01R15/185
    • Electrical current transducer comprising a measuring circuit (6) and an inductor (4) for measuring a primary current IP flowing in a primary conductor (2), the inductor comprising a saturable magnetic core (10) made of a highly permeable magnetic material and a secondary coil (12) for carrying an alternating excitation i configured to alternatingly saturate the magnetic core, the coil being connected to the measuring circuit. The measuring circuit is configured to measure a mean value of the excitation current in the secondary coil and determine therefrom a value of the primary current for small current amplitudes, the measuring circuit being further configured for evaluating the frequency of the excitation current i and determining therefrom the value of the primary current for large currents.
    • 电流传感器包括测量电路(6)和用于测量在一次导体(2)中流动的初级电流IP的电感器(4),所述电感器包括由高度可渗透的磁性材料制成的可饱和磁芯(10) 用于承载交替激励的次级线圈(12),其被配置成交替地使所述磁芯饱和,所述线圈连接到所述测量电路。 测量电路被配置为测量次级线圈中的激励电流的平均值并由此确定用于小电流幅度的初级电流的值,测量电路还被配置用于评估激励电流i的频率并由其确定 大电流的初级电流值。
    • 3. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08681293B2
    • 2014-03-25
    • US13612058
    • 2012-09-12
    • Hiroshi ObataMakoto FujimotoShunsuke MorishitaNaruhiro Matsumoto
    • Hiroshi ObataMakoto FujimotoShunsuke MorishitaNaruhiro Matsumoto
    • G02F1/1335
    • G02B6/0088G02B6/002G02B6/0061
    • Provided is a liquid crystal display device in which uneven brightness in a side-light type backlight unit is reduced, the uneven brightness being generated through reflection of light from a light source at an interface of an engaging cutout portion for preventing a light guide plate from shifting. A light guide plate (60) includes a cutout portion (82) through which a light guide plate support pin (80) provided upright to a lower frame fitting is inserted, at a lower side adjacent to a left side at which a light bar (64) is arranged. Further, at the lower side, a cutout portion (84) having a shallower recess than that of the cutout portion (82) and positioned in front of the cutout portion (82) when viewed from the light bar (64) is provided.
    • 提供了一种液晶显示装置,其中侧光型背光单元的亮度不均匀,通过在接合切口部分的界面处反射来自光源的光而产生不均匀的亮度,用于防止导光板 转移 导光板(60)包括切口部分(82),与下部框架配件垂直设置的导光板支撑销(80)穿过该切口部分插入在与光条的左侧相邻的下侧 64)。 此外,在下侧设置有从光棒(64)观察时具有比缺口部(82)更浅的凹部并位于切口部(82)的前方的切口部(84)。
    • 5. 发明申请
    • Testing apparatus for steering apparatus
    • 转向装置试验装置
    • US20080243399A1
    • 2008-10-02
    • US12076362
    • 2008-03-17
    • Hiroshi Obata
    • Hiroshi Obata
    • G01L3/00
    • B62D5/0457
    • The testing apparatus tests a steering apparatus including a torque sensor which detects a steering torque, a steering actuator which applies a steering force to a steering mechanism, and a controller which controls the steering actuator based on an output of the torque sensor. The apparatus includes a test signal generating unit which generates a test signal of a sine sweep waveform simulating an output signal of the torque sensor, a driving signal generating unit which generates a driving signal according to the test signal generated by the test signal generating unit and supplies the driving signal to the steering actuator, and a torque signal monitoring unit which acquires a torque signal outputted from the torque sensor.
    • 测试装置测试包括检测转向转矩的转矩传感器,向转向机构施加转向力的转向致动器的转向装置,以及基于转矩传感器的输出来控制转向致动器的控制器。 该装置包括:测试信号生成单元,生成模拟转矩传感器的输出信号的正弦扫描波形的测试信号;驱动信号生成单元,根据由测试信号生成单元产生的测试信号产生驱动信号;以及 将驱动信号提供给转向致动器,以及转矩信号监视单元,其获取从转矩传感器输出的转矩信号。