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    • 2. 发明授权
    • Rotary encoder having absolute angle patterns and relative angle patterns
    • 具有绝对角度图形和相对角度图案的旋转编码器
    • US5214426A
    • 1993-05-25
    • US652840
    • 1991-01-14
    • Kiyomi MinoharaAtsushi AbeToshihiro Niidome
    • Kiyomi MinoharaAtsushi AbeToshihiro Niidome
    • G01D5/249G01D5/347H03M1/14H03M1/26
    • G01D5/34776G01D5/2497H03M1/143H03M1/26
    • The present invention relates to a rotary encoder for detecting a rotational angle. A rotary encoder according to the present invention comprises a rotating body provided on its surface with a plurality of digital code patterns representative of absolute angle ranges and a plurality of relative angle patterns representative of relative angles, a high-order angle data producing means (1,2,5,7) for reading the absolute angle patterns to produce high-order angle data, and a low-order angle data producing means (1,2,5,7) for reading the relative angle patterns to produce low-order angle data. The rotary encoder according to the present invention ensures medium resolution by means of the digital code patterns and attains finer resolution by means of the relative angle patterns, whereby the rotational angle can be detected with superior resolution.
    • PCT No.PCT / JP89 / 00693 Sec。 371日期1991年2月22日 102(e)日期1991年2月22日PCT提交1989年7月10日PCT公布。 公开号WO90 / 00720 1990年1月25日。本发明涉及一种用于检测旋转角度的旋转编码器。 根据本发明的旋转编码器包括:旋转体,其表面设置有表示绝对角度范围的多个数字代码图形和表示相对角度的多个相对角度图案;高阶角度数据产生装置(1) ,2,5,7),用于读取绝对角度图案以产生高阶角度数据;以及低阶角度数据产生装置(1,2,5,7),用于读取相对角度图案以产生低阶角度数据 角度数据。 根据本发明的旋转编码器通过数字编码模式确保介质分辨率,并通过相对角度图案获得更精细的分辨率,从而可以以更高的分辨率检测旋转角度。
    • 5. 发明授权
    • Gyroscopic instrument
    • 仪器仪表
    • US4441375A
    • 1984-04-10
    • US225152
    • 1981-01-14
    • Kiyomi MinoharaAtsushi Abe
    • Kiyomi MinoharaAtsushi Abe
    • G01C19/20G01C19/24
    • G01C19/20G01C19/24Y10T74/12Y10T74/1229Y10T74/125
    • The present invention is directed to a gyroscopic instrument comprising concentric containers, the inner container enclosing a rotating electric gyro rotor, magnetic fluid enclosed between the inner and outer concentric containers, and magnetic flux producing means mounted on at least one of the two concentric containers, so that magnetic fluxes reach the magnetic fluid to support the inner container without contacting the outer container. The magnetic flux producing means are preferably mounted and oriented on a line drawn on at least one of the concentric containers at predetermined distances so that magnetic fluxes transmitted from the pole of one flux means reach the opposite pole of an adjacent means by passing through the magnetic fluid.
    • 本发明涉及一种包括同心容器的陀螺仪,包含旋转电陀螺转子的内部容器,封闭在内部和外部同心容器之间的磁性流体以及安装在两个同心容器中的至少一个上的磁通量产生装置, 使得磁通量到达磁性流体以支撑内部容器而不与外部容器接触。 磁通量产生装置优选地以预定距离在一个同心容器上绘制的线上安装和取向,使得从一个通量装置的磁极传递的磁通量通过磁化器到达相邻装置的相反极点 流体。