公开(公告)号：US4520410A

公开(公告)日：1985-05-28

申请号：US470667

申请日：1983-02-28

申请人： Toru Sekiguchi ,  Isao Sanguu

发明人： Toru Sekiguchi ,  Isao Sanguu

IPC分类号： H04N5/783 ,  G05D3/12 ,  G11B5/584 ,  G11B5/588 ,  H04N5/7826 ,  G11B5/58

CPC分类号： G11B5/584 ,  G11B5/588

摘要： A scan tracking apparatus for a helical scan tape recorder, comprising a movable tape head (11), a detector (13) detecting the envelope of the tape signal to produce a reproduced signal, sampling means (15) for sampling the reproduced signal at fixed points of the helical scan, memory (17) for storing the reproduced signal and correction signals from different tracks of the helical scan, computation means (2) for computing a correction signal to return the tape head to the center of the track, a sawtooth generator (2, 4) for producing a signal related to the tape speed (v), and a head driving mechanism (9) for moving the tape head in response to the sawtooth and correction signals.

摘要翻译： 一种用于螺旋扫描磁带录像机的扫描跟踪装置，包括可移动磁带头（11），检测磁带信号的包络以产生再现信号的检测器（13），用于对固定的再现信号进行采样的采样装置（15） 螺旋扫描的点，用于存储重放信号的存储器（17）和来自螺旋扫描的不同轨道的校正信号;计算装置（2），用于计算校正信号以将磁带头返回到轨道的中心;锯齿 用于产生与磁带速度（v）相关的信号的发生器（2,4）以及用于响应锯齿和校正信号移动磁带头的磁头驱动机构（9）。

公开(公告)号：US20120121350A1

公开(公告)日：2012-05-17

申请号：US13297404

申请日：2011-11-16

申请人： Kazunori Kitamori ,  Toru Sekiguchi

发明人： Kazunori Kitamori ,  Toru Sekiguchi

IPC分类号： B23B51/02

CPC分类号： B23B51/02 ,  B23B2222/04 ,  B23B2226/275 ,  B23B2251/04 ,  B23B2251/14 ,  Y10T408/89 ,  Y10T408/9097

摘要： A drill capable of suppressing inter-layer peeling (delamination) while keeping hole diameter accuracy even if the number of holed to be worked increases is provided. The drill includes a first flank which has a ridge line forming a cutting edge, a second flank which is adjacent to the first flank and has a ridge line forming a land portion, and a third flank which is adjacent to the first flank and has a ridge line forming a chisel edge. The drill further includes a fourth flank which is surrounded by a ridge line forming the first flank, a ridge line forming the third flank, and a trough line forming the second flank

摘要翻译： 提供能够抑制层间剥离（分层）同时保持孔直径精度的钻孔，即使要加工的孔数增加。 钻头包括具有形成切削刃的棱线的第一侧面，与第一侧面相邻并具有形成陆部的棱线的第二侧面和与第一侧面相邻的第三侧面，并且具有 脊线形成凿边。 所述钻头还包括第四侧面，所述第四侧面被形成所述第一侧面的脊线包围，形成所述第三侧面的脊线和形成所述第二侧面的槽线

公开(公告)号：US06719501B2

公开(公告)日：2004-04-13

申请号：US09976272

申请日：2001-10-15

申请人： Toru Sekiguchi ,  Yuu Kagiya ,  Yasushi Goshima

发明人： Toru Sekiguchi ,  Yuu Kagiya ,  Yasushi Goshima

IPC分类号： B23B2714

CPC分类号： C23C30/005 ,  B23C5/10 ,  B23C2210/202 ,  B23C2210/203 ,  B23C2224/36 ,  B23C2226/18 ,  B23C2228/10 ,  Y10T407/1966 ,  Y10T407/27

摘要： A cemented carbide end mill has three or more cutting edges formed on its periphery and flutes each provided between adjacent cutting edges. The land width of each cutting edge and the flute width has a ratio of 1:1.5 to 1:4. Each flute has a helix angle of 35°-60° and, when viewed in a cross section perpendicular to the end mill axis, is in a shape smoothly concave radially inwardly. The core of the end mill has a diameter which is 62%-68% of the outer diameter of the end mill. The cutting edges have a base material of ultra-fine cemented carbide and are coated with a titanium-aluminum nitride hard film. The end mill is good at chip discharging in groove cutting and provides less inclination of cut grooves and less corner wear of the end mill.

摘要翻译： 硬质合金立铣刀具有在其周边上形成的三个或更多个切削刃和各自设置在相邻切削刃之间的槽纹。 每个切削刃的刃宽和槽宽的比例为1:1.5至1:4。 每个槽具有35°-60°的螺旋角，并且当在垂直于端铣刀轴线的横截面中观察时，其形状呈径向向内平滑地凹陷。 立铣刀的芯部的直径为端铣刀的外径的62％-68％。 切削刃具有超细硬质合金的基材，并涂覆有钛 - 氮化铝硬质膜。 端铣刀在槽切削中具有良好的切屑排放，并且提供切割槽的较小倾斜度和较少的端铣刀的角磨损。

公开(公告)号：US5263009A

公开(公告)日：1993-11-16

申请号：US736981

申请日：1991-07-29

申请人： Yoshihiro Sasaki ,  Toru Sekiguchi

发明人： Yoshihiro Sasaki ,  Toru Sekiguchi

IPC分类号： G11B11/10 ,  G11B7/085 ,  G11B7/09 ,  G11B11/105 ,  G11B7/00

CPC分类号： G11B11/10576 ,  G11B7/0945

摘要： An apparatus for optically recording/reproducing data to/from a disc including a focus servo circuit which initially sets an objective lens of an optical head to a predetermined setting. This predetermined setting is such that a laser beam passing through the lens is focused on the disc at a point inside of the disc in the thickness direction. Then, the focus servo circuit fine tunes the objective lens position until the laser beam is focused onto a recording film located inside of the disc.

摘要翻译： 一种用于向/从光盘记录/再现数据的装置，包括聚焦伺服电路，其将光头的物镜初始设定为预定设定。 该预定设定使得通过透镜的激光束在厚度方向盘的内侧聚焦在光盘上。 然后，聚焦伺服电路微调物镜位置，直到激光束聚焦到位于光盘内部的记录膜上。

公开(公告)号：US5040163A

公开(公告)日：1991-08-13

申请号：US472856

申请日：1990-01-31

申请人： Yoshihiro Sasaki ,  Toru Sekiguchi

发明人： Yoshihiro Sasaki ,  Toru Sekiguchi

IPC分类号： G11B7/125 ,  G11B11/105 ,  H01S5/042

CPC分类号： G11B7/126 ,  G11B11/10541

摘要： A laser beam control circuit for an optical recording/reproducing apparatus, which controls the intensity of a laser beam striking a magneto-optical disc. The control circuit controls the injection current to a laser diode to provide high intensity for recording and low intensity for reproducing, providing a smooth transition between the high and low intensity states, and avoiding any excessive transition current. The control circuit monitors the output power of the laser diode and maintains it at a first value in the reproducing mode and a second value in the recording mode, and further controls the output power so that even during switching, the output power does not exceed the second level. This is done by supplying a compensating reference voltage to the recording power control loop during the reproducing mode, so that the output of the recording error amplifier does not change abruptly when the operating mode is switched to the recording mode.

摘要翻译： 一种用于光学记录/再现装置的激光束控制电路，其控制激光束撞击磁光盘的强度。 控制电路控制到激光二极管的注入电流以提供高强度的记录和低强度的再现，提供高强度状态和低强度状态之间的平滑过渡，并避免任何过度的过渡电流。 控制电路监视激光二极管的输出功率，并将其保持在再现模式下的第一值，并在记录模式下保持第二值，并进一步控制输出功率，使得即使在切换期间，输出功率也不会超过 二级 这通过在再现模式期间向记录功率控制环路提供补偿参考电压来完成，使得当操作模式切换到记录模式时，记录误差放大器的输出不会突然改变。

公开(公告)号：US4951154A

公开(公告)日：1990-08-21

申请号：US149565

申请日：1988-01-28

申请人： Toru Sekiguchi ,  Yoshihiro Sasaki

发明人： Toru Sekiguchi ,  Yoshihiro Sasaki

IPC分类号： G11B7/09 ,  G11B11/105 ,  G11B20/02 ,  G11B27/36 ,  G11B33/10 ,  H04N5/85 ,  H04N5/93 ,  H04N5/94

CPC分类号： H04N5/94 ,  G11B11/10515 ,  G11B11/10543 ,  G11B11/10597 ,  G11B20/025 ,  G11B27/36 ,  G11B33/10 ,  G11B7/0948 ,  H04N5/85 ,  H04N5/93

摘要： Disclosed is a magneto-optic recording/reproducing apparatus capable of detecting small size defects in a magneto-optic recording disk in the order of tens of microns in size, and capable of reliably compensating for signal defects of a video image recorded on the disk. In the apparatus first and second photodetectors are provided for detecting information signals of two luminous fluxes into which a luminous flux emitted from a laser oscillator is divided by light splitting means. The photodetectors are arranged on the part of light reflected or emitted by the surface of a magneto-optic recording medium when it is irradiated with the luminous flux from the laser oscillator. According to the invention, the signals produced by the photodetectors are processed to produce a highly sensitive defect signal or a plurality of highly sensitive defect signals which may be summed together.

摘要翻译： 公开了一种磁光记录/再现装置，其能够检测大小几十微米级的磁光记录盘中的小尺寸缺陷，并能够可靠地补偿记录在盘上的视频图像的信号缺陷。 在装置中，第一和第二光电探测器用于检测从激光振荡器发射的光束被光分解装置分开的两个光束的信息信号。 光电探测器被布置在由光磁记录介质的表面反射或发射的光的部分上，当它被来自激光振荡器的光通量照射时。 根据本发明，由光电检测器产生的信号被处理以产生高灵敏度的缺陷信号或多个高灵敏度缺陷信号，这些信号可以相加在一起。

公开(公告)号：USD540218S1

公开(公告)日：2007-04-10

申请号：US29210205

申请日：2004-07-29

申请人： Toru Sekiguchi

设计人： Toru Sekiguchi

公开(公告)号：US07021976B2

公开(公告)日：2006-04-04

申请号：US11092724

申请日：2005-03-30

申请人： Toru Sekiguchi

发明人： Toru Sekiguchi

IPC分类号： H01R13/24

CPC分类号： H01R13/2421

摘要： A spring connector comprises a supporting member, a cylindrical plunger, and a coil spring provided in the cylindrical plunger. The supporting member has a base, a pillar extended from the base, and a shoulder and a head having a diameter larger than that of the pillar. The upper end of the head has an inclined surface. The plunger has a closed upper end, an opening formed in an annular bent portion of a lower end thereof. An annular edge of the opening is slidably engaged with the supporting member at the shoulder thereof. The coil spring is provided between the closed upper end and the inclined surface of the head so that a shoulder formed on the head at a lower annular periphery is pressed against the annular bent portion of the opening.

摘要翻译： 弹簧连接器包括支撑构件，圆柱形柱塞和设置在圆柱形柱塞中的螺旋弹簧。 支撑构件具有基部，从基部延伸的柱，以及具有比柱的直径大的直径的肩部和头部。 头部的上端具有倾斜表面。 柱塞具有闭合的上端，形成在其下端的环形弯曲部分中的开口。 开口的环形边缘在其肩部处与支撑构件可滑动地接合。 螺旋弹簧设置在封闭的上端和头部的倾斜表面之间，使得在下部环形周边处形成在头部上的肩部被压靠在开口的环形弯曲部分上。

公开(公告)号：USD502918S1

公开(公告)日：2005-03-15

申请号：US29183615

申请日：2003-06-16

申请人： Toru Sekiguchi

设计人： Toru Sekiguchi

公开(公告)号：US5432765A

公开(公告)日：1995-07-11

申请号：US56789

申请日：1993-05-04

申请人： Toru Sekiguchi ,  Yoshihiro Sasaki

发明人： Toru Sekiguchi ,  Yoshihiro Sasaki

IPC分类号： G11B7/09 ,  G11B7/095

CPC分类号： G11B7/094

摘要： An optical recording apparatus for automatically compensating for focus offset which cannot be compensated for with a conventional focus servo circuit. A plurality of auxiliary signals differing from one another in the frequency domain is generated, a rotational synchronism signal is generated by detecting an index mark put on the optical disk in advance to indicate the reference point of the rotational phase, and a switching signal is generated in response to the rotational synchronism signal. In response to the switching signal, a plurality of auxiliary signals and an information signal are consecutively outputted and recorded onto a track of the optical disk.

摘要翻译： 一种用于自动补偿不能用常规聚焦伺服电路补偿的聚焦偏移的光学记录装置。 产生在频域中彼此不同的多个辅助信号，通过预先检测放置在光盘上的指示标记来指示旋转相位的参考点来产生旋转同步信号，并产生切换信号 响应于旋转同步信号。 响应于切换信号，多个辅助信号和信息信号被连续输出并被记录在光盘的轨道上。