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75 条记录 (耗时 0.028 秒)

    Optical recording and retrieving disc
    43.
    发明授权
    Optical recording and retrieving disc 失效
    光学记录和回收光盘

    公开(公告)号：US4547875A

    公开(公告)日：1985-10-15

    申请号：US433264

    申请日：1982-10-07

    申请人： Takeo Ohta ,  Tatsushi Nakamura ,  Nobuo Akahira

    发明人： Takeo Ohta ,  Tatsushi Nakamura ,  Nobuo Akahira

    IPC分类号： G11B7/013 ,  G11B7/09 ,  G11B7/24 ,  G11B7/243 ,  G11B7/00

    CPC分类号： G11B7/24085 ,  G11B7/0901 ,  G11B7/24

    摘要： An optical disc for optical recording, retrieving and erasing of informations. The phase difference .psi. of reflected light produced by the tracking groove in the form of convexity or protrusion of concavity or groove and the change .DELTA..psi. in the phase difference caused by a recording in a recording film are selected in relation to each other to provide a stable detection signal for tracking, thereby to permit a highly accurate tracking on the optical disc carrying information at a high density.

    摘要翻译： 用于光学记录，检索和擦除信息的光盘。 选择相对于彼此相对于由记录膜中的记录引起的由凹槽或凹槽的凸起或突出形式的跟踪凹槽产生的反射光的相位差psi和由记录膜中的记录引起的相位差的变化ΔTApsi， 用于跟踪的稳定的检测信号，从而允许高密度地携带信息的光盘上的高精度跟踪。

    Disk Cartridge
    44.
    发明申请
    Disk Cartridge 审中-公开
    磁盘盒

    公开(公告)号：US20070291413A1

    公开(公告)日：2007-12-20

    申请号：US11576006

    申请日：2005-09-27

    申请人： Hiroya Kondou ,  Nobuo Akahira

    发明人： Hiroya Kondou ,  Nobuo Akahira

    IPC分类号： G11B23/03

    CPC分类号： G11B23/0303 ,  G11B23/0317

    摘要： A disk cartridge includes a cartridge body and a lid. The cartridge body includes: first and second principal surfaces opposed to each other; a storage space to store a disklike data storage medium; windows cut through the first and second principal surfaces to partially expose the data storage medium in the storage space; an opening for removing the data storage medium from the storage space; and write-protect indicator holes cut through the first and second principal surfaces to prohibit writing on the data storage medium stored. The lid is provided to cover and uncover the opening of the cartridge body. The cartridge body is shaped such that both of the first and second principal surfaces can be opposed to a pickup of an optical disk drive when the cartridge is loaded into the drive. Of the two write-protect indicator holes of the first and second principal surfaces, only the hole of the second principal surface is provided with a write enable/disable selecting mechanism that covers or uncovers the write-protect indicator hole.

    摘要翻译： 盘盒包括盒体和盖。 盒体包括：彼此相对的第一和第二主表面; 用于存储盘状数据存储介质的存储空间; 窗口穿过第一和第二主表面以部分地暴露存储空间中的数据存储介质; 用于从存储空间移除数据存储介质的开口; 以及通过第一和第二主表面切割的写保护指示器孔，以禁止对存储的数据存储介质进行写入。 盖被设置成覆盖和揭开盒体的开口。 盒体被成形为使得当盒被装载到驱动器中时，第一和第二主表面可以与光盘驱动器的拾取器相对。 在第一和第二主表面的两个写保护指示器孔中，只有第二主表面的孔具有覆盖或露出写保护指示器孔的写使能/禁止选择机构。

    Optical information recording medium and optical information recording and reproducing apparatus
    46.
    发明授权
    Optical information recording medium and optical information recording and reproducing apparatus 有权

    公开(公告)号：US07095705B2

    公开(公告)日：2006-08-22

    申请号：US11087307

    申请日：2005-03-23

    申请人： Kenichi Nishiuchi ,  Naoyasu Miyagawa ,  Eiji Ohno ,  Nobuo Akahira

    发明人： Kenichi Nishiuchi ,  Naoyasu Miyagawa ,  Eiji Ohno ,  Nobuo Akahira

    IPC分类号： G11B7/24

    CPC分类号： G11B11/10595 ,  G11B7/0045 ,  G11B7/00456 ,  G11B7/005 ,  G11B7/007 ,  G11B7/00718 ,  G11B7/00736 ,  G11B7/08505 ,  G11B7/08511 ,  G11B7/0901 ,  G11B7/0908 ,  G11B7/094 ,  G11B7/126 ,  G11B7/1267

    摘要： An optical information recording and reproducing apparatus for recording and reproducing an information signal on/from both concave portions and convex portions of guide grooves formed on a recording medium is disclosed. The optical information recording and reproducing apparatus includes: an optical portion for focusing a light beam emitted from a light source on the recording medium; a focusing control portion for controlling a focal point of the light beam; a tracking control portion for controlling the position of the light beam; a selection portion for selecting which of the concave portions and the convex portions of the guide grooves are used for recording or reproducing; a polarity inverting portion for inverting the polarity of an output signal from the tracking control portion depending on a result selected by the selection portion; a waveform setting portion for setting a modulation pattern for the light; and a signal reproduction portion for demodulating the information signal from a light reflected or transmitted by recorded marks recorded on the recording medium; wherein at least one of the focusing control portion, the tracking control portion, the waveform setting portion and the signal reproduction portion has at least two kinds of operation conditions for recording and reproducing the information signal on/from the concave portions and the convex portions of the guide grooves, and wherein the operation conditions are selected depending on the result selected by the selection portion.

    Optical recording disk and method for manufacturing the same
    48.
    发明授权
    Optical recording disk and method for manufacturing the same 失效
    光记录盘及其制造方法

    公开(公告)号：US6146734A

    公开(公告)日：2000-11-14

    申请号：US459453

    申请日：1999-12-13

    申请人： Eiji Ohno ,  Yoshitaka Sakaue ,  Kenichi Nagata ,  Nobuo Akahira ,  Masahide Yokoyama ,  Hiroshi Hayata ,  Noboru Yamada

    发明人： Eiji Ohno ,  Yoshitaka Sakaue ,  Kenichi Nagata ,  Nobuo Akahira ,  Masahide Yokoyama ,  Hiroshi Hayata ,  Noboru Yamada

    IPC分类号： C23C14/34 ,  C23C14/35 ,  G11B7/243 ,  G11B7/26 ,  B32B3/02

    CPC分类号： G11B7/243 ,  C23C14/3414 ,  C23C14/3464 ,  G11B7/26 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/21

    摘要： The present invention is to provide a method for manufacturing the PCE optical information recording disk under control of not only the crystallization velocity but also the complex index of refraction and thus the reflectance on the disk surface.The PCE optical information recording disk is suitable to be used under the constant angular velocity (the constant rotational numbers wherein the disk has a characteristic that the crystallization velocity is designed to become faster from inside area of the disk to outside area in the radical direction thereof under control of not only the crystallization velocity but also the complex index of refraction and thus the reflectance on the disk surface.In the case of mass production and high film formation to be required, the present invention provides an effective method for manufacturing the optical disk by means of sputtering from at least two targets at the same time in a manner that the crystallization velocity is increased in a radial direction from inside area to outside area in the disk.

    摘要翻译： 本发明提供一种用于制造PCE光学信息记录盘的方法，该方法不仅可以控制结晶速度，而且可以控制复合折射率，从而在盘表面上的反射率。 PCE光学信息记录盘适用于以恒定角速度（其中盘具有结晶速度设计成从盘的内部区域到其沿自由度方向的外部区域变得更快的特性的恒定角速度 不仅可以控制结晶速度，而且可以控制复杂的折射率，从而提高光盘表面的反射率。在大量生产和需要高成膜的情况下，本发明提供了一种制造光盘的有效方法 通过同时从至少两个靶的溅射以使得结晶速度在盘的内部区域到外部区域的径向方向上增加的方式。

    Data storage apparatus
    49.
    发明授权
    Data storage apparatus 失效
    数据存储装置

    公开(公告)号：US5956308A

    公开(公告)日：1999-09-21

    申请号：US986492

    申请日：1997-12-08

    申请人： Nobuo Akahira ,  Kenichi Nishiuchi ,  Eiji Ohno ,  Kenichi Nagata ,  Noboru Yamada

    发明人： Nobuo Akahira ,  Kenichi Nishiuchi ,  Eiji Ohno ,  Kenichi Nagata ,  Noboru Yamada

    IPC分类号： G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/007 ,  G11B19/12 ,  G11B19/247 ,  G11B19/26 ,  G11B19/28 ,  G11B20/12

    CPC分类号： G11B7/00454 ,  G11B19/26 ,  G11B7/0079 ,  G11B7/00745

    摘要： A track on the disk is divided into plural concentric zones on the radial position thereof. During recording, the angular velocity varies according to the zones accessed for recording, and the disk is driven at a rotational velocity whereby the angular velocity is constant within any single zone but decreases as the radial position of the zone of the accessed track approaches the outside circumference of the disk. During reproducing, the disk is driven at a rotational velocity whereby the angular velocity is constant in all zones. The range of change in the relative linear velocity of the head to the track is thus smaller and the change in the recording conditions is less during recording. During reproducing, there is no delay time required for rotational control of the disk, and the desired track can be more quickly accessed.

    摘要翻译： 磁盘上的轨道在其径向位置被分成多个同心区域。 在记录期间，角速度根据被记录的区域而变化，并且以旋转速度驱动盘，其中角速度在任何单个区域内是恒定的，但随着被访问的轨道的区域的径向位置接近外部而减小 盘的周长。 在再现期间，以旋转速度驱动盘，其中角速度在所有区域中是恒定的。 因此，磁头与磁道的相对线速度的变化范围变小，记录时记录条件的变化较小。 在再现期间，不需要用于盘的旋转控制的延迟时间，并且可以更快速地访问期望的轨道。

    Optical information recording medium
    50.
    发明授权
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号：US5745475A

    公开(公告)日：1998-04-28

    申请号：US884318

    申请日：1997-06-27

    申请人： Eiji Ohno ,  Kenichi Nishiuchi ,  Yoshitaka Sakaue ,  Kazuhisa Ide ,  Naoyasu Miyagawa ,  Nobuo Akahira

    发明人： Eiji Ohno ,  Kenichi Nishiuchi ,  Yoshitaka Sakaue ,  Kazuhisa Ide ,  Naoyasu Miyagawa ,  Nobuo Akahira

    IPC分类号： G11B7/24 ,  G11B7/007 ,  G11B7/013

    CPC分类号： G11B7/00718 ,  G11B7/24 ,  G11B7/24085

    摘要： An optical information recording medium includes: a substrate including a groove having a concave shape and a land having a convex shape adjacent to the groove; and a recording layer on the substrate, wherein the recording layer consists of a material which changes between a first state and a second state whose optical property is different from that of the first state, a first portion of the optical information recording medium including a portion in the first state of the recording layer having a first reflectance, and a second portion of the optical information recording medium including a region in the second state of the recording layer having a second reflectance which is different from the first reflectance, whereby information is recorded onto the groove and the land, and wherein a ratio of the first reflectance to the second reflectance, a phase of reflected light from the first portion and a phase of reflected light from the second portion are set such that at least one of an amplitude and a carrier to noise ratio (CNR) of a signal obtained by reproducing information from the groove is approximately identical to that from the land.

    摘要翻译： 一种光学信息记录介质，包括：具有凹形槽的凹槽和与凹槽相邻的具有凸形的凹槽的基板; 以及基板上的记录层，其中所述记录层由在第一状态和第二状态之间变化的材料组成，所述材料的光学性质与所述第一状态不同，所述光学信息记录介质的第一部分包括部分 在具有第一反射率的记录层的第一状态下，并且光信息记录介质的第二部分包括具有与第一反射率不同的第二反射率的记录层的第二状态的区域，由此记录信息 并且其中所述第一反射率与所述第二反射率的比率，来自所述第一部分的反射光的相位和来自所述第二部分的反射光的相位被设置为使得至少一个振幅和 通过从槽重放信息而获得的信号的载波噪声比（CNR）与从陆地大致相同。