公开(公告)号：US5644554A

公开(公告)日：1997-07-01

申请号：US38080

申请日：1993-03-29

申请人： Kunio Harada ,  Toshimitsu Kaku ,  Masuo Kasai ,  Masahiro Ojima

发明人： Kunio Harada ,  Toshimitsu Kaku ,  Masuo Kasai ,  Masahiro Ojima

IPC分类号： G11B5/54 ,  G11B11/105 ,  G11B11/12

CPC分类号： G11B5/54 ,  G11B11/10552 ,  G11B11/10558 ,  G11B11/10571

摘要： A magnetic head is supported with variable stiffness for loading onto the disk surface and unloading off the disk surface. The magnetic head is attached to an end of a thin leaf spring which has been curved in advance, and the leaf spring is interposed between two flat plates, with one of the flat plates being slidable. With the slidable flat plate being moved to the position where the plate overlies a fitting section of the magnetic head, a head support point is provided at a first position with respect to the magnetic head, the thin leaf spring takes an extending straightened state, and at the same time, the thin leaf spring, two flat plates, and magnetic head fitting section form a unitary member with a high stiffness for supporting the magnetic head thereby to load the magnetic head onto the disk surface. With the slidable plate being moved in the opposite direction so as to free the curved section of the thin leaf spring, a second head support point provided at a position further away from the magnetic head than the first position, and the magnetic head is supported flexibly with a lower stiffness by the thin leaf spring. Since the thin leaf spring curves in a free state at this moment, the magnetic head which is attached to the end of the leaf spring is unloaded off the disk surface as if it is whipped up.

摘要翻译： 磁头被支撑，可变刚度用于装载到盘表面上并卸下盘表面。 磁头安装在预先弯曲的薄板弹簧的端部，并且板簧插入在两个平板之间，其中一个平板可滑动。 随着可滑动的平板被移动到板位于磁头的配合部分的位置，头部支撑点设置在相对于磁头的第一位置处，薄片弹簧具有延伸的拉直状态，并且 同时，薄片弹簧，两个平板和磁头配合部分形成具有高刚度的整体构件，用于支撑磁头，从而将磁头加载到磁盘表面上。 随着可滑动板沿相反方向移动以便释放薄片弹簧的弯曲部分，设置在比第一位置更远离磁头的位置处的第二磁头支撑点，并且磁头被灵活地支撑 薄板弹簧具有较低的刚度。 由于此时薄片弹簧处于自由状态弯曲，因此附接到板簧端部的磁头就像被鞭打一样从盘表面卸载。

公开(公告)号：US5161046A

公开(公告)日：1992-11-03

申请号：US635823

申请日：1991-01-03

申请人： Minoru Ohshima ,  Shuichi Morio ,  Susumu Saitoh ,  Osamu Namikawa ,  Kazutoshi Obara ,  Minoru Seino ,  Takeshi Mochizuki ,  Makoto Nakura ,  Akira Arimoto ,  Masuo Kasai

发明人： Minoru Ohshima ,  Shuichi Morio ,  Susumu Saitoh ,  Osamu Namikawa ,  Kazutoshi Obara ,  Minoru Seino ,  Takeshi Mochizuki ,  Makoto Nakura ,  Akira Arimoto ,  Masuo Kasai

IPC分类号： G02B26/10 ,  B41J2/44 ,  G02B26/08 ,  G02B26/12 ,  H04N1/047 ,  H04N1/113 ,  H04N1/12 ,  H04N1/19

CPC分类号： G02B26/127 ,  H04N1/0473 ,  H04N1/19 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/04712 ,  H04N2201/04762

摘要： A beam position control apparatus in which a light beam is led into a light detector from a light generating source through a movable reflector and positioning of the light beam is performed by a servo control circuit for feeding a signal from the light detector back to the movable reflector, comprises: an oscillator for oscillating in response to an initializing signal and moving the movable reflector to move the beam onto the light detector; and a control switch for separating the oscillator and the movable reflector from each other in response to the signal from the light detector, the oscillator and the control switch being arranged in the servo control circuit.

摘要翻译： 一种光束位置控制装置，其中光束通过可移动反射器从光产生源引导到光检测器中，并且通过用于将来自光检测器的信号反馈到可移动的伺服控制电路来执行 反射器包括：振荡器，用于响应于初始化信号振荡并移动可移动反射器以将光束移动到光检测器上; 以及用于响应于来自光检测器的信号，振荡器和控制开关布置在伺服控制电路中的用于将振荡器和可移动反射器彼此分离的控制开关。

公开(公告)号：US4095481A

公开(公告)日：1978-06-20

申请号：US746628

申请日：1976-12-01

申请人： Masuo Kasai ,  Kanji Kato ,  Yasuhide Matsumura ,  Kiyoo Takeyasu ,  Raiji Shimomura

发明人： Masuo Kasai ,  Kanji Kato ,  Yasuhide Matsumura ,  Kiyoo Takeyasu ,  Raiji Shimomura

IPC分类号： B25J9/06 ,  B25J9/04 ,  B25J9/10 ,  B25J9/18 ,  G01B21/00 ,  B25J3/02

CPC分类号： B25J9/1065 ,  B25J9/04 ,  B25J9/046 ,  Y10S414/13 ,  Y10T74/20

摘要： A joint mechanism of a manipulator, according to the present invention, consists of a first joint having its rotating shaft aligned with the Z-axis in the X-Y-Z Cartesian coordinate system established at a desired position in a working space, a second joint connected to the rotating shaft of the first joint and having its rotating shaft positioned within the X-Y coordinate plane, a third joint, connected to the rotating shaft of the second joint and having its rotating shaft aligned with the vector passing through the origin of the Cartesian coordinate system, and an arm assembly connected to the rotating shaft of the third joint and comprising a link mechanism which is driven so that a wrist connected to said arm assembly may be always moved on the prolongation line of the vector, to thereby provide a simplified joint mechanism of a manipulator having a redundant degree of freedom of the posture completely independent to the position of the wrist.

摘要翻译： 根据本发明的机械手的关节机构包括第一接头，其第一接头具有在XYZ笛卡尔坐标系中建立的工作空间中所需位置处的与Z轴对准的旋转轴，第二接头连接到 第一接头的旋转轴，其旋转轴位于XY坐标平面内，第三接头，连接到第二接头的旋转轴，并且其旋转轴与通过笛卡尔坐标系的原点的矢量对齐， 以及臂组件，其连接到所述第三关节的旋转轴，并且包括连杆机构，所述连杆机构被驱动，使得连接到所述臂组件的腕部可以总是在所述矢量的延长线上移动，从而提供简化的关节机构 具有完全独立于手腕位置的姿势的冗余自由度的操纵器。

公开(公告)号：US4710909A

公开(公告)日：1987-12-01

申请号：US692575

申请日：1985-01-18

申请人： Toshiaki Tsuyoshi ,  Seiji Yonezawa ,  Masuo Kasai ,  Motoo Uno

发明人： Toshiaki Tsuyoshi ,  Seiji Yonezawa ,  Masuo Kasai ,  Motoo Uno

IPC分类号： G11B7/013 ,  G11B7/09 ,  G11B7/095 ,  G11B21/10 ,  G11B7/00

CPC分类号： G11B7/24085 ,  G11B7/0901 ,  G11B7/0938

摘要： An optical system for recording and reproducing optical information. A line of synchronization pits for tracking and an information recording area are disposed alternately in advance. At the time of recording, a tracking signal is detected from the line of synchronization pits and while tracking in the information recording area by utilizing this signal, the information signal is recorded in the information recording area. Tracking control in tracking in the information recording area is stabilized by holding the tracking signal which is detected from the synchronization signal and by compensating for an electrical phase delay caused by the holding.

摘要翻译： 一种用于记录和再现光学信息的光学系统。 用于跟踪的一行同步凹坑和信息记录区域被预先交替地布置。 在记录时，从同步凹坑行检测跟踪信号，并且通过利用该信号在信息记录区域中进行跟踪，信息信号被记录在信息记录区域中。 通过保持从同步信号检测到的跟踪信号并补偿由保持引起的电相位延迟来稳定信息记录区中的跟踪跟踪控制。