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    • 2. 发明授权
    • Test circuit, pattern generating apparatus, and pattern generating method
    • 测试电路,图案生成装置和图案生成方法
    • US08103464B2
    • 2012-01-24
    • US12076692
    • 2008-03-21
    • Yasuo Sasaki
    • Yasuo Sasaki
    • G01R31/00G01R31/14G01R31/28
    • G01R31/31813G01R31/31917
    • A test circuit connected between a test target circuit and a plurality of external terminals includes N first holding circuits to hold respectively N unit patterns produced by dividing an internal signal pattern to be input to or output from the test target circuit by N, where N is a natural number of two or greater, and a control circuit to make the internal signal pattern held in the N first holding circuits be changed selectively on a unit pattern basis based on a value of an identification signal assigned to each of the unit patterns beforehand, or to make the internal signal pattern held in the N first holding circuits be output selectively on a unit pattern basis based on the values of the identification signal.
    • 连接在测试目标电路和多个外部端子之间的测试电路包括N个第一保持电路,用于分别将要输入的内部信号模式分别产生的N个单元模式或从测试对象电路输出N,其中N是 基于预先分配给每个单元模式的识别信号的值,以单位模式选择性地改变保持在N个第一保持电路中的内部信号模式的控制电路, 或者使得保持在N个第一保持电路中的内部信号模式基于识别​​信号的值以单位模式为基础被选择性地输出。
    • 3. 发明授权
    • Vibration wave linear motor
    • 振动波直线电机
    • US07230366B2
    • 2007-06-12
    • US10952407
    • 2004-09-28
    • Yasuo SasakiHeiji OginoToshihiro Nakao
    • Yasuo SasakiHeiji OginoToshihiro Nakao
    • H01L41/09H02N2/04
    • H02N2/026G02B7/102H02N2/004H02N2/04
    • In a vibration wave linear motor, a vibrator stably operates with a simple and small configuration. Both ends of a movable guide member are held by shaft bearing long holes to freely oscillate, and an angle of an inclination φ occurs according to the move of the vibrator. An inner wall of an erecting part of a supporting part also serves as a stopper, and regulates the move of the vibrator in a position where the inclination of the movable guide member becomes θ>φ at the maximum. As a result, the inclination of the movable guide member is always kept to be within the range of θ>φ. A problem that the inclining movable guide member contacts a portion other than a driving contacting part is prevented.
    • 在振动波形线性电动机中,振动器以简单且小型的结构稳定地操作。 可动引导构件的两端由轴承长孔保持自由振动,并且根据振动器的移动发生倾斜角度θi。 支撑部分的竖立部分的内壁也用作止动器,并且将振动器的移动调节到可移动引导构件的倾斜度最大变为θ> phi的位置。 结果,可动引导构件的倾斜总是保持在θ> phi的范围内。 防止倾斜可动引导构件与驱动接触部以外的部分接触的问题。
    • 5. 发明申请
    • Pneumatically operated screw driver
    • 气动螺丝刀
    • US20050072275A1
    • 2005-04-07
    • US10954240
    • 2004-10-01
    • Yasuo SasakiTakeshi KamoMichio WakabayashiHaruhiko Oouchi
    • Yasuo SasakiTakeshi KamoMichio WakabayashiHaruhiko Oouchi
    • B25B21/00B25B21/02B25B13/00
    • B25B21/023
    • A compact and light-weight pneumatically operated screw driver providing high speed screw fastening with high operability. A rotary member rotationally driven by a pneumatic motor includes a main rotary member made from a plastic material and a sliding segment fixed to the main rotary member. A rotation slide member is axially slidably movable relative to the rotary member and is rotatable together with the rotation of the rotary member. A shut-off section is provided on which the rotation slide member is rotationally seated when the rotation slide member is moved toward the shut-off section. The rotation slide member is made from an elastic material. A sleeve like piston having a seal ring in sliding contact with a cylinder is provided. The seal ring shuts off a supply of compressed air to the pneumatic motor only by the seating of the rotation slide member onto the shut-off section.
    • 紧凑轻便的气动螺丝刀,提供高速螺丝紧固,操作性高。 由气动马达旋转驱动的旋转构件包括由塑料材料制成的主旋转构件和固定到主旋转构件的滑动段。 旋转滑动构件可相对于旋转构件轴向可滑动地移动,并且与旋转构件的旋转一起可旋转。 设置有切断部,当旋转滑动部件朝向切断部移动时,旋转滑动部件旋转地安置在该切断部上。 旋转滑动构件由弹性材料制成。 提供具有与气缸滑动接触的密封环的套筒状活塞。 密封环仅通过将旋转滑动构件安置在截止部分上而将空气供应给气动马达。
    • 8. 发明授权
    • Near field optical microscope and probe for near field optical microscope
    • 近场光学显微镜和近场光学显微镜探针
    • US06469288B1
    • 2002-10-22
    • US09571442
    • 2000-05-15
    • Yasuo SasakiHiroko Sasaki
    • Yasuo SasakiHiroko Sasaki
    • G02B704
    • G01Q60/06G01Q20/02Y10S977/862
    • A near-field optical microscope comprises an illumination part, a probe, a light detection part, and a scanning part. The illumination part illuminates a sample surface with light. The probe is provided at a position near the sample surface illuminated with the light. The light detection part detects light scattered by the probe. The scanning part scans the sample and a top end of the probe relatively to each, other. The top end of the probe is a top end of an extending part extending in one direction from a body of the probe. In the side of the top end of the extending part, the extending part is at most three times or less as thick as a top end diameter, over a length of a wavelength of the illuminating light. The near-field optical microscope further comprises means for vibrating the probe in a lengthwise direction of the extending part.
    • 近场光学显微镜包括照明部,探针,光检测部和扫描部。 照明部分用光照亮样品表面。 探针设置在靠近被光照射的样品表面的位置处。 光检测部检测由探针散射的光。 扫描部分相对于每个扫描部分扫描样品和探头的顶端。 探针的顶端是从探头的主体沿一个方向延伸的延伸部分的顶端。 在延伸部分的顶端侧,在照明光的波长长度上,延伸部分至多为顶端直径的三倍或更小。 近场光学显微镜还包括用于在延伸部分的长度方向上振动探针的装置。
    • 10. 发明授权
    • Tracking error detecting circuit in disc-shaped recording medium
reproducing and recording apparatus
    • 盘形记录介质再现和记录装置中的跟踪误差检测电路
    • US5875157A
    • 1999-02-23
    • US815914
    • 1997-03-13
    • Yasuo SasakiKenji Araki
    • Yasuo SasakiKenji Araki
    • G11B7/09G11B7/00
    • G11B7/0901G11B7/094G11B7/0943
    • A tracking error detecting circuit including a light receiving unit divided into a plurality of light receiving sensors; a push-pull signal detecting circuit detecting the push-pull signal based on the difference of the amount of the reflected light received by the sensors; a compulsory offset cancellation circuit for removing the input offset signal from the detected push-pull signal; an offset component detecting circuit for detecting an offset component in accordance with the push-pull signal based on an amplitude of the wobbling component of the groove; a cancellation signal detecting circuit for finding an offset cancellation signal with respect to the push-pull signal an offset cancellation circuit for finding a tracking error signal by removing the offset cancellation signal from the push-pull signal; and a parameter determining means for determining the parameter to be referred to at the cancellation signal detecting circuit based on an offset component detected at the offset component detecting circuit by the movement of an optical pick-up and the offset signal input to the compulsory offset cancellation circuit for suitably removing this offset component from the push-pull signal.
    • 一种跟踪误差检测电路,包括被分成多个光接收传感器的光接收单元; 推挽信号检测电路,基于由传感器接收到的反射光量的差异来检测推挽信号; 用于从检测到的推挽信号中去除输入偏移信号的强制偏移消除电路; 偏移分量检测电路,用于基于所述凹槽的摆动分量的振幅来检测根据所述推挽信号的偏移分量; 消除信号检测电路,用于根据推挽信号找到偏移消除信号;偏移消除电路,用于通过从推挽信号中去除偏移消除信号来找到跟踪误差信号; 以及参数确定装置,用于基于通过光学拾取器的移动在偏移分量检测电路处检测到的偏移分量和输入到强制偏移消除的偏移信号来确定消除信号检测电路将要参考的参数 电路,用于从推挽信号中适当地去除该偏移分量。