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    • 3. 发明申请
    • Rotational angle detector
    • 旋转角度检测器
    • US20070229063A1
    • 2007-10-04
    • US11730487
    • 2007-04-02
    • Shozoh ShiragaMasahide OnishiYasunori Tomino
    • Shozoh ShiragaMasahide OnishiYasunori Tomino
    • G01D5/34G01B7/30
    • B62D15/0215G01D5/34
    • A rotational angle detector includes a rotor, a detecting body, a light emitting device, an annular-shaped light receiving device, and a controller. The detecting body rotates relatively to the rotor and is provided with a light transmitting path, which permits light to pass in a direction parallel to a rotating axis thereof. The light emitting device is provided at a position to emit light toward the detecting body in a direction parallel to the rotating axis of the detecting body. The light receiving device is arranged on an opposite side of the detecting body with respect to the light emitting device and outputs a light receiving range. The controller is connected to the light receiving device and detects a rotational angle of the rotor based on the light receiving range output from the light receiving device.
    • 旋转角度检测器包括转子,检测体,发光装置,环形光接收装置和控制器。 检测体相对于转子旋转并且设置有光传输路径,其允许光在平行于其旋转轴线的方向上通过。 发光装置设置在与检测体的旋转轴平行的方向向检测体发光的位置。 光接收装置相对于发光装置配置在检测体的相对侧,并输出受光范围。 控制器连接到光接收装置,并且基于从光接收装置输出的光接收范围来检测转子的旋转角度。
    • 6. 发明授权
    • Rotation angle detection device
    • 旋转角度检测装置
    • US08281687B2
    • 2012-10-09
    • US12169036
    • 2008-07-08
    • Tetsuya KomaShozoh ShiragaHiromitsu NodaMasahide Onishi
    • Tetsuya KomaShozoh ShiragaHiromitsu NodaMasahide Onishi
    • G05G1/00
    • G05G1/08B62D15/0215G05G5/24Y10T74/2133
    • A rotation angle detection device includes rotary body 1 rotating in linked motion with a steering wheel; detectors 2 and 3 that rotate in linked motion with rotary body 1; detecting parts 5 and 6 for detecting rotation of detectors 2 and 3; control part 21 for detecting a rotation angle of rotary body 1 from a detection signal from detecting parts 5 and 6; latching body 23 for latching the rotation of rotary body 1; and case 8 containing rotary body 1, detection parts 5 and 6, control part 21 and latching body 23. Latching body 23 includes latching part 23B urged by elastic body 24 and brought into elastic contact with an outer periphery of rotary body 1; and releasing part 23C for releasing an elastic contact of latching part 23B to rotary body 1 and a part of which is exposed to the outside of case 8.
    • 旋转角度检测装置包括与方向盘连动运动的旋转体1; 与旋转体1连动运动的检测器2和3; 用于检测检测器2和3的旋转的检测部件5和6; 根据来自检测部件5和6的检测信号检测旋转体1的旋转角度的控制部件21; 用于锁定旋转体1的旋转的闩锁体23; 和包含旋转体1,检测部件5和6,控制部件21和闩锁体23的壳体8.闩锁体23包括由弹性体24推压并与旋转体1的外周弹性接触的闩锁部23B。 以及释放部23C,用于将闩锁部23B的弹性接触释放到旋转体1,并且其一部分暴露于壳体8的外部。
    • 8. 发明申请
    • Active noise controller
    • 主动噪声控制器
    • US20070172004A1
    • 2007-07-26
    • US10587566
    • 2005-11-08
    • Toshiyuki FunayamaYoshio NakamuraMasahide Onishi
    • Toshiyuki FunayamaYoshio NakamuraMasahide Onishi
    • H03D1/04
    • G10K11/178G10K2210/1282G10K2210/504
    • An active noise controller can determine the signal transmission characteristics from the power amplifier and the speaker to the microphone without using any special external measuring instrument and calculate a cosine correction value and a sine correction value without using an external computer. The active noise controller uses the cosine correction value and the sine correction value to actively reduce vibrational noise. The measurement mode is selected on touch panel (3), and correction value calculator (22) calculates cosine correction value C0 and sine correction value C1 by using filter coefficients W0 and W1 which allow error signal e′(n) to approach zero. Memory (23) stores these values C0 and C1.
    • 有源噪声控制器可以确定从功率放大器和扬声器到麦克风的信号传输特性,而不使用任何特殊的外部测量仪器,并且不使用外部计算机来计算余弦校正值和正弦校正值。 有源噪声控制器使用余弦校正值和正弦校正值来主动减少振动噪声。 在触摸面板(3)上选择测量模式,并且校正值计算器(22)通过使用允许误差信号e'(n)的滤波器系数W 0和W 1来计算余弦校正值C 0和正弦校正值C 1 接近零。 存储器(23)存储这些值C 0和C 1。
    • 9. 发明申请
    • Active noise cancellation system
    • 主动噪声消除系统
    • US20050053244A1
    • 2005-03-10
    • US10936600
    • 2004-09-09
    • Masahide OnishiYoshio NakamuraToshio InoueAkira Takahashi
    • Masahide OnishiYoshio NakamuraToshio InoueAkira Takahashi
    • G01H3/00A61F11/06B60R11/02G10K11/16G10K11/178H03B29/00H03H17/02H03H21/00
    • G10K11/17883G10K2210/128G10K2210/3046
    • In an active noise cancellation system having an adaptive filter that outputs a control signal, first and second speakers that emit a canceling signal generated based on the control signal, a microphone that detects an error signal, a correction filter that corrects the base signal by a correction value to generate a reference signal and a filter coefficient updater that successively updates the adaptive filter coefficient based on the error signal and reference signal such that the error signal is minimized, the correction value of the correction filter is set to a sum obtained by adding the transfer characteristic from the first speaker to the microphone, and a product obtained by multiplying the transfer characteristic from the second speaker to the microphone by the prescribed value, thereby enabling to reduce the number of microphones and avoid the increase in parts, the amount of work to provide complicated wiring to the microphones, and the computational load involved in updating the adaptive filter coefficient, while enabling to maintain an area in which noise can be reduced to the same level as that obtained before reducing the number of microphones.
    • 在具有输出控制信号的自适应滤波器的有源噪声消除系统中,发射基于控制信号生成的消除信号的第一和第二扬声器,检测误差信号的麦克风,校正基本信号的校正滤波器, 用于产生参考信号的校正值和基于误差信号和参考信号连续更新自适应滤波器系数的滤波器系数更新器,使得误差信号最小化,校正滤波器的校正值被设置为通过加法获得的和 从第一扬声器到麦克风的传送特性,以及通过将来自第二扬声器的传送特性与麦克风相乘规定值获得的乘积,由此能够减少麦克风的数量并避免部件的增加, 努力为麦克风提供复杂的布线,以及更新中涉及的计算负荷 g的自适应滤波器系数,同时使得能够将噪声降低到与减少麦克风数量之前获得的相同水平的区域。
    • 10. 发明授权
    • Cylinder responsive vibratory noise control apparatus
    • 气缸响应振动噪声控制装置
    • US07620188B2
    • 2009-11-17
    • US10866986
    • 2004-06-15
    • Toshio InoueSatoru MinowaAkira TakahashiYoshio NakamuraMasahide Onishi
    • Toshio InoueSatoru MinowaAkira TakahashiYoshio NakamuraMasahide Onishi
    • G10K11/16
    • G10K11/178
    • An active vibratory noise control apparatus reduces vibratory noise which is produced in the passenger compartment of a vehicle based on vibratory noise generated by a variable-cylinder internal combustion engine that can selectively be operated in a full-cylinder operation mode in which all of the cylinders are operated and a partial-cylinder operation mode in which some of the cylinders are out of operation. The active vibratory noise control apparatus has a partial-cylinder operation mode determining circuit for determining whether the variable-cylinder internal combustion engine is in the partial-cylinder operation mode or not. Depending on a determined result from the partial-cylinder operation mode determining circuit, a transistor is turned on or off to switch an amplifying circuit which drives a speaker into and out of operation.
    • 主动振动噪声控制装置减少了基于由可变气缸内燃机产生的振动噪声而产生的振动噪声,该可变气缸内燃机可选择性地以全气缸操作模式操作,其中所有汽缸 并且其中一些气缸不工作的部分气缸操作模式。 主动振动噪声控制装置具有用于判定可变气缸内燃机是否处于部分气缸操作模式的部分气缸操作模式确定电路。 根据来自部分气缸操作模式确定电路的确定结果,晶体管导通或截止以切换驱动扬声器的放大电路进入和断开。