公开(公告)号：US5309628A

公开(公告)日：1994-05-10

申请号：US992134

申请日：1992-12-17

申请人： Kiyoshi Fukuchi ,  Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Takashi Numata ,  Fumio Nagase

发明人： Kiyoshi Fukuchi ,  Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Takashi Numata ,  Fumio Nagase

IPC分类号： G11B25/04 ,  G11B5/55 ,  G11B33/12 ,  B23P19/04

CPC分类号： G11B5/5521 ,  Y10S29/028 ,  Y10T29/49025 ,  Y10T29/53165 ,  Y10T29/53261 ,  Y10T29/53265

摘要： An assembling position-adjusting mechanism of a magnetic disk apparatus able to adjust the azimuth, radial alignment, and index of a magnetic head by adjusting a position thereof during the assembling process of a spindle motor. A positioning head movable in a direction perpendicular to a top surface of a table is provided. A plurality of positioning pins are provided on the bottom of the positioning head. Moving mechanisms are provided in the positioning head so that the bottom surface of the positioning head is movable and rotatable parallel to the top surface of the table. Each positioning pin of the positioning head is inserted into a respective positioning hole of a motor assembly so as to move the motor assembly with a movement of the positioning head so that the spindle motor of the motor assembly is at an appropriate position relative to the magnetic head of the main body of the magnetic disk apparatus.

摘要翻译： 一种磁盘装置的组装位置调节机构，其能够通过在主轴电动机的组装过程中调节其位置来调节磁头的方位角，径向取向和折射率。 提供了可在与桌子的顶面垂直的方向上移动的定位头。 多个定位销设置在定位头的底部。 移动机构设置在定位头中，使得定位头的底面能够平行于工作台的顶面移动和旋转。 定位头的每个定位销插入到马达组件的相应定位孔中，以便随着定位头的运动而使马达组件移动，使得马达组件的主轴马达相对于磁铁位于适当的位置 磁盘装置的主体的头部。

公开(公告)号：US5442608A

公开(公告)日：1995-08-15

申请号：US206900

申请日：1994-03-04

申请人： Yoshiaki Umeda ,  Teruo Furukawa ,  Masaharu Ogawa ,  Kazuhiko Nakane ,  Akira Mashimo ,  Tetsuro Araki ,  Hiroyuki Onda ,  Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Katsuya Enami

发明人： Yoshiaki Umeda ,  Teruo Furukawa ,  Masaharu Ogawa ,  Kazuhiko Nakane ,  Akira Mashimo ,  Tetsuro Araki ,  Hiroyuki Onda ,  Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Katsuya Enami

IPC分类号： G11B19/00 ,  G11B7/0037 ,  G11B11/105 ,  G11B19/16 ,  G11B7/00

CPC分类号： G11B19/00 ,  G11B11/10595 ,  G11B7/0037

摘要： A disk apparatus comprising a controller receiving commands from a command input device and controlling an entire operation of the disk apparatus. The rotating control function is coupled to the controller for controlling the first motor. The pickupmotor control function is coupled to the controller for controlling the second motor. The pickup control function is coupled to the controller for controlling a focusing operation and a tracking operation of the pickup. And the signal processing function is coupled to the controller for processing a recording signal to be recorded on the disk-shaped recording medium and a reproduced signal read out therefrom. The controller is comprised function-stop function for determining whether or not any command is received from the command input device during a predetermined period of time in a state. The disk apparatus is maintained in a predetermined mode and for stopping predetermined function among the rotating control function, the pickup motor control function, the pickup control function, and the signal processing function when it is determined that no command is received from the command input device during the predetermined period.

摘要翻译： 一种盘装置，包括控制器，从命令输入装置接收命令并控制盘装置的整个操作。 旋转控制功能耦合到控制器以控制第一电动机。 拾取电机控制功能耦合到控制器以控制第二电动机。 拾取控制功能耦合到控制器，用于控制拾取器的聚焦操作和跟踪操作。 并且信号处理功能被耦合到控制器，用于处理要记录在盘形记录介质上的记录信号和从其读出的再现信号。 控制器包括功能停止功能，用于在一个状态下的预定时间段内确定是否从命令输入设备接收到任何命令。 当确定没有从命令输入装置接收到命令时，盘装置被保持在预定模式并用于在旋转控制功能，拾取马达控制功能，拾取控制功能和信号处理功能之间停止预定功能 在预定期间。

公开(公告)号：US5357384A

公开(公告)日：1994-10-18

申请号：US179654

申请日：1994-01-10

申请人： Hiroshi Tsuyuguchi ,  Shinichiro Tanaka ,  Tohru Miura ,  Miya Enami ,  Hikaru Tamada ,  Yoshiaki Sakai

发明人： Hiroshi Tsuyuguchi ,  Shinichiro Tanaka ,  Tohru Miura ,  Miya Enami ,  Hikaru Tamada ,  Yoshiaki Sakai

IPC分类号： G11B21/08 ,  G11B5/55 ,  G11B19/00 ,  G11B19/10 ,  G11B21/12 ,  G11B21/02

CPC分类号： G11B5/5534 ,  G11B19/00 ,  G11B19/10 ,  G11B21/12

摘要： A flexible magnetic disk drive is disclosed which has a data transducer mounted to a pivotal support beam for movement into and out of data transfer contact with the disk. When the transducer is retracted away from the disk, the support beam butts on the top plate of the disk drive casing for the reduction of the thickness of the disk drive, that is, its dimension in a direction perpendicular to the plane of the disk. A stepper motor is provided for moving the transducer across data tracks on the disk in response to external stepping pulses from a host system and to internal stepping pulses for recalibration. The application of such stepping pulses to a stepper motor control circuit is prevented when the disk is not loaded in the disk drive, in order to avoid the movement of the support beam in sliding contact with the top plate.

摘要翻译： 公开了一种柔性磁盘驱动器，其具有安装到枢转支撑梁的数据换能器，用于移动进入和离开与盘的数据传送接触。 当传感器从盘离开时，支撑梁对接在盘驱动器壳体的顶板上，以减小盘驱动器的厚度，即其在垂直于盘平面的方向上的尺寸。 提供步进电机，用于响应于来自主机系统的外部步进脉冲和用于重新校准的内部步进脉冲，使换能器沿盘上的数据轨移动。 为了避免支撑梁与顶板滑动接触的移动，当盘没有装载在盘驱动器中时，可以防止这种步进脉冲施加到步进电机控制电路。

公开(公告)号：US4771346A

公开(公告)日：1988-09-13

申请号：US60063

申请日：1987-06-09

申请人： Makoto Shoji ,  Hiroshi Tsuyuguchi ,  Yoshiaki Sakai

发明人： Makoto Shoji ,  Hiroshi Tsuyuguchi ,  Yoshiaki Sakai

IPC分类号： G11B21/08 ,  G11B5/012 ,  G11B5/09 ,  G11B5/86 ,  G11B21/12 ,  G11B5/03

CPC分类号： G11B5/012 ,  G11B5/86

摘要： A floppy disk drive (FDD) capable of data transfer with a track density of, typically, 96 tracks per inch (TPI) is adapted for rewriting on a floppy disk on which data has been written on concentric data tracks by a 48-TPI FDD. The data tracks, each with a width W1, are arranged with a pitch P1 on the disk. The 96-TPI FDD has a magnetic head assembly comprising a read/write head capable of providing a data track width W2 of 0.4 W1 to 0.6 W1, and a pair of tunnel erase heads each capable of providing an erase width of (W1-W2)/1 to (P1/2-W2). The opposite edge portions of each prewritten data track on the disk are erased by the erase heads of the head assembly, with the latter successively positioned intermediate the data tracks. Either before or, preferably, after the erasure of the edge portions of the prewritten data tracks, the head assembly is positioned on the successive data tracks for rewriting thereon by the read/write head, with the erase heads maintained in operation for the complete erasure of the old data during the writing of new data.

摘要翻译： 能够进行数据传输的软盘驱动器（FDD）具有通常为每英寸96个磁道（TPI）的磁道密度，适用于通过48-TPI FDD将数据写入同心数据磁道的软盘上进行重写 。 每个具有宽度W1的数据轨道在盘上以间距P1排列。 96-TPI FDD具有磁头组件，其包括能够提供0.4W1至0.6W1的数据磁道宽度W2的读/写头，以及一对隧道擦除磁头，每个能够提供（W1-W2 ）/ 1〜（P1 / 2-W2）。 磁盘上每个预先写入的数据轨道的相对边缘部分被磁头组件的擦除头擦除，后者相继位于数据磁道之间。 在预写的数据轨道的边缘部分被擦除之前或之前，优选地，头部组件位于连续的数据轨道上，以便由读/写头重写，擦除头保持在操作中以进行完全擦除 在编写新数据时的旧数据。

公开(公告)号：US5032934A

公开(公告)日：1991-07-16

申请号：US395736

申请日：1989-08-18

申请人： Shinichi Aikawa ,  Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Fumio Nagase

发明人： Shinichi Aikawa ,  Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Fumio Nagase

IPC分类号： G11B5/012 ,  G11B5/09 ,  G11B20/10

CPC分类号： G11B20/10212 ,  G11B20/10009 ,  G11B5/012 ,  G11B5/09

摘要： A magnetic disc apparatus comprises a single write/read magnetic head for carrying out write/read with respect to either one of a low-density magnetic disc and a high-density magnetic disc, and a cosine equalizer supplied with a read signal from the write/read magnetic head. The write/read magnetic head has a core gap length which is between 0.60 and 1.20 times a minimum field conversion length for high-density write by a write/read signal.

摘要翻译： 磁盘装置包括用于执行相对于低密度磁盘和高密度磁盘中的任一个的写入/读取的单个写入/读取磁头和被提供有来自写入的读取信号的余弦均衡器 /读磁头。 写入/读取磁头具有通过写入/读取信号进行高密度写入的最小场转换长度的0.60到1.20倍的磁芯间隙长度。

公开(公告)号：US4691255A

公开(公告)日：1987-09-01

申请号：US699084

申请日：1985-02-07

申请人： Yoshiaki Sakai ,  Hiroshi Tsuyuguchi

发明人： Yoshiaki Sakai ,  Hiroshi Tsuyuguchi

IPC分类号： G11B19/00 ,  G11B19/20 ,  G11B21/08 ,  G11B19/02

CPC分类号： G11B19/20

摘要： A magnetic disk drive is disclosed which has a disk drive motor for imparting rotation to a magnetic disk, and a head transport motor for transporting a transducer head or heads radially of the magnetic disk for track to track accessing. The disk drive motor and the head transport motor are fed from a common direct current supply terminal via first and second switching transistors, respectively, which independently control power delivery to the two motors for effectively saving power. A voltage regulating capacitor is connected only between ground and the output line of the first switching transistor for the disk drive motor. In order to prevent the flow of a surge current due to the voltage regulating capacitor upon conduction of the first switching transistor, a conduction retarder is provided which causes a gradual conduction through the first switching transistor in response to an actuating signal from host equipment controlling the disk drive. The conduction retarder takes the form of a capacitor connected between the collector and base of the first switching transistor in one embodiment of the invention, and of a time constant circuit connected between the host equipment and the base of the first switching transistor in another embodiment.

摘要翻译： 公开了一种磁盘驱动器，其具有用于向磁盘提供旋转的磁盘驱动电机，以及用于传送磁头的磁头或磁头径向磁道的磁头传送电机，用于磁道跟踪访问。 磁盘驱动电动机和磁头传送电动机分别经由第一和第二开关晶体管从公共直流电源端子馈送，其独立地控制向两个电动机的电力输送以有效地节省电力。 电压调节电容器仅连接在第一个用于盘驱动电动机的开关晶体管的地与输出线之间。 为了防止在第一开关晶体管导通时由于电压调节电容器引起的浪涌电流的流动，提供了导电延迟器，其导致通过第一开关晶体管的逐渐导通，响应于来自主机设备的致动信号控制 磁盘驱动器。 在本发明的一个实施例中，导电延迟器采用连接在第一开关晶体管的集电极和基极之间的电容器的形式，以及在另一实施例中连接在主机设备和第一开关晶体管的基极之间的时间常数电路。

公开(公告)号：US4675763A

公开(公告)日：1987-06-23

申请号：US694872

申请日：1985-01-25

申请人： Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Yasushi Noda ,  Takahiro Sakaguchi

发明人： Yoshiaki Sakai ,  Hiroshi Tsuyuguchi ,  Yasushi Noda ,  Takahiro Sakaguchi

IPC分类号： G11B17/32 ,  G11B19/20 ,  G11B5/012

CPC分类号： G11B17/32 ,  G11B19/2009

摘要： An apparatus for data transfer with a magnetic disk having a diameter of, say, 86 millimeters, having a pair of transducer heads for data transfer engagement with the opposite surfaces of the disk mounted on a turntable driven directly by a disk drive motor. In order to hold the magnetic disk exactly level on the turntable for proper data transfer contact with the transducer heads, a leveling mechanism is provided whereby at least the turntable is made adjustably movable in its axial direction with respect to the frame of the apparatus, as by the manual turn of an adjusting screw or screws. In one embodiment, the turntable is movable with a drive spindle on which it is mounted coaxially and which forms an output shaft of the disk drive motor. In another embodiment, the turntable travels with the complete disk drive motor.

摘要翻译： 具有直径为86毫米的磁盘进行数据传输的装置具有一对换能器头，用于与安装在由盘驱动马达直接驱动的转台上的盘的相对表面进行数据传送接合。 为了将磁盘牢固地保持在转盘上，与传感器头正确地进行数据传送接触，提供了一个调平机构，由此至少使转台相对于设备的框架在其轴向上可调节地移动，如 通过手动转动调节螺丝或螺丝。 在一个实施例中，转盘可与驱动主轴一起移动，驱动主轴同轴地安装在该驱动主轴上并形成盘驱动马达的输出轴。 在另一个实施例中，转盘与完整的盘驱动马达一起行进。

公开(公告)号：US20070205281A1

公开(公告)日：2007-09-06

申请号：US11397057

申请日：2006-04-03

申请人： Hiroshi Tsuyuguchi ,  Kazuhiko Inoue ,  Norio Matsuura

发明人： Hiroshi Tsuyuguchi ,  Kazuhiko Inoue ,  Norio Matsuura

IPC分类号： G06K7/08 ,  G06K19/06

CPC分类号： G06F1/181

摘要： An electronic apparatus includes a wireless unit and a storage medium reading out device. The wireless unit for carrying out a wireless communication with an external apparatus is mounted in the storage medium reading out device which is housed in a housing portion of the storage medium reading out device.

摘要翻译： 电子装置包括无线单元和存储介质读出装置。 用于与外部设备进行无线通信的无线单元安装在容纳在存储介质读出装置的壳体部分中的存储介质读出装置中。

公开(公告)号：USD443867S1

公开(公告)日：2001-06-19

申请号：US29126292

申请日：2000-07-12

申请人： Hiroshi Tsuyuguchi ,  Tsuyoshi Osawa ,  Kunihiko Murao

设计人： Hiroshi Tsuyuguchi ,  Tsuyoshi Osawa ,  Kunihiko Murao

公开(公告)号：US5434724A

公开(公告)日：1995-07-18

申请号：US201774

申请日：1994-02-25

申请人： Makoto Shoji ,  Tohru Miura ,  Hiroshi Tsuyuguchi

发明人： Makoto Shoji ,  Tohru Miura ,  Hiroshi Tsuyuguchi

IPC分类号： G11B21/08 ,  G11B19/00 ,  G11B19/02

CPC分类号： G11B19/00

摘要： A microcomputer system having a flexible magnetic disk drive and a controller therefor, with the disk drive including a stepper motor for incrementally moving a transducer from track to track on a rotating magnetic disk, and a clock which is inherently unstable in operation during a predefinable startup period thereof after being powered on. In order to enable the disk drive to internally generate stepping pulses for driving the stepper motor at twice as high a rate as by external stepping pulses from the controller without being affected by unstable clock pulses during the startup period of the clock, the controller supplies external stepping pulses to the disk drive after imparting a predetermined delay, longer than the startup period of the clock, to each series of external stepping pulses with respect to the moment a power save signal, also supplied from the controller to the disk drive, indicates that the clock and other power consuming parts of the disk drive be powered. Within the disk drive a counter counts the clock pulses for a length of time equal to half the period of each series of external stepping pulses in response to each incoming external stepping pulse, thereby providing output pulses that rise with the respective external stepping pulses. A pulse generator circuit generates internal stepping pulses in synchronism with both leading and trailing edges of the counter output pulses. Additional embodiments are disclosed.

摘要翻译： 一种具有柔性磁盘驱动器及其控制器的微计算机系统，其中磁盘驱动器包括步进马达，该步进马达用于在旋转磁盘上逐渐地将传感器从轨道移动到轨道，以及在预定义启动期间操作中固有地不稳定的时钟 上电后的周期。 为了使磁盘驱动器内部产生用于驱动步进电机的步进脉冲，其速度是来自控制器的外部步进脉冲的两倍，而不受时钟启动期间不稳定的时钟脉冲的影响，控制器提供外部 相对于从控制器向磁盘驱动器提供的功率保存信号的时刻，向每个系列的外部步进脉冲施加比时钟的启动时间长的预定延迟，向盘驱动器提供步进脉冲， 磁盘驱动器的时钟和其他耗电部分被供电。 在磁盘驱动器内，计数器响应于每个进入的外部步进脉冲，对时钟脉冲计数等于每一系列外部步进脉冲的周期的一半的时间长度，从而提供随着各个外部步进脉冲而上升的输出脉冲。 脉冲发生器电路与计数器输出脉冲的前沿和后沿同步产生内部步进脉冲。 公开了另外的实施例。