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    • 21. 发明授权
    • Optical change-over switch utilizing ferroelectric liquid crystal
material
    • 利用铁电液晶材料的光转换开关
    • US4836657A
    • 1989-06-06
    • US940491
    • 1986-12-10
    • Yasuhiro GunjiSadayuki OkadaMasato IsogaiKatsumi KondoMasahiko IbamotoKazuhiro KuwabaraAtsushi Kanke
    • Yasuhiro GunjiSadayuki OkadaMasato IsogaiKatsumi KondoMasahiko IbamotoKazuhiro KuwabaraAtsushi Kanke
    • G02F1/1333G02F1/141
    • G02F1/1326G02F1/141
    • The liquid crystal cell (30) for the optical change-over switch comprises a pair of transparent substrates (1), a pair of transparent flat electrodes (2) provided on the respective opposing surfaces of the substrates, orientation control films (3) provided on the flat electrodes (2), two pair of comb shaped electrodes (33) respectively provided on the orientation control films (3), and a ferroelectric liquid crystal layer (4) confined between the substrates (1). The optical incidence plane (31) to the cell (30) is so selected that the plane (31) is away from the helical axes (9) of the ferroelectric liquid crystal in the cell (30) in the order of somewhat greater than the tilt angle (.theta..sub.t) of the ferroelectric liquid crystal. The pair of flat electrodes (2) generate a first electric field (37a) perpendicular to the layer (32) and orient the long axes of the ferroelectric liquid crystal molecules into a first orientation (35a') parallel to the layer (32 ) to induce a first refractive index which causes simultaneous reflection of unpolarized light beam (7+8) with a predetermined incidence angle (.theta.). The two pair of comb shaped electrodes (33) generate a second electric field (37b') parallel to the layer and perpendicular to the helical axes (9) and orient the long axes of the molecules into a second orientation (35b') not in parallel to the layer (32) to induce a second refractive index which causes simultaneous transmission of the unpolarized light beam (7+8) with the predetermined incidence angle (.theta.).
    • 用于光转换开关的液晶单元(30)包括一对透明基板(1),设置在基板的相应相对表面上的一对透明平板电极(2),提供定向控制膜 在平面电极(2)上,分别设置在取向控制膜(3)上的两对梳状电极(33)和限制在基板(1)之间的铁电液晶层(4)。 选择细胞(30)的光入射平面(31),以使得平面(31)以略大于细胞(30)的大小的顺序远离细胞(30)中的铁电液晶的螺旋轴(9) 铁电液晶的倾斜角(θt)。 一对扁平电极(2)产生垂直于层(32)的第一电场(37a),并将铁电液晶分子的长轴定向成与层(32)平行的第一取向(35a')至 诱导第一折射率,其引起非偏振光束(7 + 8)以预定入射角(θ)的同时反射。 两对梳状电极(33)产生平行于该层并垂直于螺旋轴(9)的第二电场(37b'),并使分子的长轴定向成不在第二取向(35b') 平行于层(32)以诱导第二折射率,其引起非偏振光束(7 + 8)以预定入射角(θ)的同时透射。
    • 22. 发明授权
    • Thermal type flow rate measurement apparatus
    • 热式流量测量装置
    • US07613582B2
    • 2009-11-03
    • US11667456
    • 2004-11-11
    • Atsushi Kanke
    • Atsushi Kanke
    • G06F19/00
    • G01F1/6965G01F1/6845G01F1/72
    • Thermal type flow rate meters for measuring the flow rate of intake air of an internal combustion engine of a motor vehicle or the like have encountered a problem of an increase in pulsation errors during high engine speed and high pulsation. Meanwhile, digitally recovering responses has posed a problem in which pulsation performance is liable to become worse, affected by variation in a clock or the like. The sensor is provided with means for transferring a response variation factor to the engine control unit. The engine control unit is provided with logics for automatically determining the variation factor and correcting a response. Means for detecting a backflow occurrence is provided and a parameter for a response recovery is changed before and after a backflow occurrence. The sensor is provided with a selecting means by which a sensor response can be selected and obtained and the engine control unit is provided means for allowing selection of a response.
    • 用于测量机动车辆等的内燃机的进气的流量的热式流量计已经遇到在高发动机转速和高脉动期间脉动误差增加的问题。 同时,数字恢复响应已经引起了脉动性能容易变差的问题,受到时钟等的变化的影响。 传感器具有用于将响应变化因子传递到发动机控制单元的装置。 发动机控制单元具有用于自动确定变化因子和校正响应的逻辑。 提供用于检测回流发生的装置,并且在回流发生之前和之后改变响应恢复的参数。 该传感器设置有选择装置,通过该选择装置可以选择和获得传感器响应,并且提供引擎控制单元以允许选择响应。
    • 26. 发明授权
    • Charging generator control for vehicles
    • 汽车充电发电机控制
    • US5444354A
    • 1995-08-22
    • US25394
    • 1993-03-02
    • Naoyuki TakahashiYuuji MaedaShouju MasumotoAtsushi Kanke
    • Naoyuki TakahashiYuuji MaedaShouju MasumotoAtsushi Kanke
    • H02J7/14H02J7/24H02P9/10H02J7/22
    • H02J7/245H02J7/1438H02P9/107Y02T10/92
    • Electric generator control for a motor vehicle in which the field current IF provided to the field coil of the generator is variable between two values in response to variations in the load applied to the battery. The output voltage of the battery is compared to a predetermined reference value, and a signal representing the difference is supplied to a voltage divider and to an integrator circuit. The outputs of the voltage divider and the integrator are then provided to respective, comparators. A reference signal provided by a time variable signal generator is supplied to both comparators, the respective outputs of which are connected to the inputs of an AND gate which controls a gating element which in turn controls the field current. In the case of a sudden increase in load applied to the battery, the output of the integrator responds more slowly than the voltage divider, which tracks the difference signal instantaneously, and the operation of the power switch is controlled by the output of the integrator circuit.
    • 用于机动车辆的发电机控制,其中提供给发电机的励磁线圈的励磁电流IF响应于施加到电池的负载的变化而在两个值之间变化。 将电池的输出电压与预定的参考值进行比较,并将表示差值的信号提供给分压器和积分器电路。 然后将分压器和积分器的输出提供给相应的比较器。 由时间可变信号发生器提供的参考信号被提供给两个比较器,两个比较器的输出端连接到控制门控元件的与门的输入端,门控元件又控制励磁电流。 在施加到电池的负载突然增加的情况下,积分器的输出响应比分压器瞬时跟踪差分信号的响应更慢,并且功率开关的操作由积分器电路的输出控制 。
    • 28. 发明申请
    • Flow measuring device
    • 流量测量装置
    • US20070179728A1
    • 2007-08-02
    • US11698074
    • 2007-01-26
    • Atsushi KankeTakahiro MikiKelji Hanzawa
    • Atsushi KankeTakahiro MikiKelji Hanzawa
    • G01F25/00G01F1/50G01F1/12
    • G01F1/698G01F1/6965
    • A flow measuring device has a sensor element for outputting a nonlinear signal according to a flow rate. The device comprises: a first signal processing system for obtaining a first signal by filtering the nonlinear signal output from the sensor element, thereafter correcting a sensitivity of the filtered signal; a second signal processing system for obtaining a second signal by linearizing the nonlinear signal from the sensor element, thereafter filtering the linearized signal and correcting a sensitivity of the filtered signal, and then nonlinearizing the linearized signal with a corrected sensitivity; an amplifier for amplifying a differential signal between the first and second signals; and a correcting section for correcting the nonlinear signal by using the amplified differential signal.
    • 流量测量装置具有用于根据流量输出非线性信号的传感器元件。 该装置包括:第一信号处理系统,用于通过对从传感器元件输出的非线性信号进行滤波来获得第一信号,之后校正滤波信号的灵敏度; 第二信号处理系统,用于通过线性化来自传感器元件的非线性信号来获得第二信号,然后对线性化信号进行滤波并校正滤波信号的灵敏度,然后校正灵敏度的线性化信号的非线性化; 放大器,用于放大第一和第二信号之间的差分信号; 以及校正部分,用于通过使用放大的差分信号来校正非线性信号。
    • 30. 发明授权
    • Air flow measurement apparatus
    • 气流测量装置
    • US06321165B1
    • 2001-11-20
    • US09215246
    • 1998-12-18
    • Kenji OhtaAtsushi Kanke
    • Kenji OhtaAtsushi Kanke
    • G01F164
    • F02D41/187F02D41/2432F02D41/2441F02D41/2474F02D41/2487G01F1/698
    • In a heating resistor type air flow measurement apparatus, flow correction data are read out from a primary memory and stored in a secondary memory, and then an air flow signal is calibrated by the flow correction data stored in the secondary memory when starting the apparatus up. The apparatus has a diagnosis unit, for determining whether or not the flow correction data stored in the primary memory are correct, so that the determination processing of the flow correction data by the diagnosis unit is performed at any time at least including the starting-up point of the apparatus. There is no fear that engine control based on abnormal flow correction data will continue.
    • 在加热电阻式空气流量测量装置中,流量校正数据从主存储器读出并存储在辅助存储器中,然后在启动装置时通过存储在辅助存储器中的流量校正数据校准空气流量信号 。 该装置具有用于确定存储在主存储器中的流量校正数据是否正确的诊断单元,使得诊断单元的流量校正数据的确定处理至少包括启动 点的设备。 不必担心基于异常流量校正数据的发动机控制将继续。