INFORMATION RECORDING AND REPRODUCING DEVICE
    1.
    发明申请
    INFORMATION RECORDING AND REPRODUCING DEVICE 审中-公开
    信息记录和复制设备

    公开(公告)号:US20100149951A1

    公开(公告)日:2010-06-17

    申请号:US12593552

    申请日:2008-03-13

    IPC分类号: G11B7/135

    摘要: An information recording/reproducing device includes a light source separately projecting laser light for recording or reproducing, an optical system leading the projected laser light to a recording medium, a diffracting element separating laser light into main- and beam sub-beams, an evanescent light generating element irradiating evanescent light in relation to the separated sub-beam to a track where no recording pit is formed, a sub-light receiving element for receiving return light in relation to the sub-beam, a moving element for moving the evanescent light generating element in relation to the sub-beam to a direction to change a gap with the recording surface, and a control element; for controlling the moving element so as to make the gap become a predetermined target value in accordance with a gap error signal containing a signal indicative of a light amount of the return light in relation to the received sub-beam.

    摘要翻译: 信息记录/再现装置包括分别投射用于记录或再现的激光的光源,将投射的激光导向记录介质的光学系统,将激光分离成主光束和光束子光束的衍射元件,ev逝光 发射元件相对于分离的子光束照射到不形成记录凹坑的轨道的ev逝光,用于接收与子光束相关的返回光的子光接收元件,用于移动产生渐逝光的移动元件 元件相对于子光束到改变与记录表面的间隙的方向,以及控制元件; 用于控制移动元件,以使得间隙根据包含相对于所接收的子光束的指示返回光的光量的信号的间隙误差信号而变为预定目标值。

    INFORMATION RECORDING AND REPRODUCING DEVICE
    2.
    发明申请
    INFORMATION RECORDING AND REPRODUCING DEVICE 审中-公开
    信息记录和复制设备

    公开(公告)号:US20100118684A1

    公开(公告)日:2010-05-13

    申请号:US12593439

    申请日:2008-03-13

    IPC分类号: G11B7/135

    摘要: An information recording and reproducing device diffracts by a diffracting means (14) to make laser light separated into a main beam and a sub-beam, irradiates evanescent light in relation to the main beam, by an evanescent light generating means (21), to a track where a recording pit provided on a recording surface of a recording medium is formed and also irradiates evanescent light in relation to the sub-beam to be separated to a track where no recording pit provided on the recording surface of the recording medium is formed. A moving means (210) moves the evanescent light generating means to a direction to change a gap with the recording surface. Further, a judging means (40) judges an uneven state of the recording pit formed on the recording medium, a signal generating means (3161) generates a gap error signal from a signal indicative of a return light amount in relation to the sub-beam or the main beam in accordance with the result, a control means (315) controls the moving means in accordance with a gap error signal so as to make the gap become a target value in response to the uneven state to be judged.

    摘要翻译: 信息记录和再现装置通过衍射装置(14)衍射,以使分离成主光束和子光束的激光相对于主光束相对于主光束照射消逝光,由ev逝光发生装置(21),以 形成记录介质的记录表面上的记录凹坑的轨道,并且还将相对于要分离的子光束的ev逝光照射到不形成记录介质的记录表面上的记录凹坑的轨道 。 移动装置(210)将瞬逝光发生装置移动到与记录表面改变间隙的方向。 此外,判断装置(40)判断在记录介质上形成的记录凹坑的不均匀状态,信号产生装置(3161)从表示相对于子光束的返回光量的信号产生间隙误差信号 或主光束,根据结果,控制装置(315)根据间隙误差信号控制移动装置,以使得间隙响应于待判断的不均匀状态而变为目标值。

    INFORMATION RECORDING AND REPRODUCING DEVICE
    5.
    发明申请
    INFORMATION RECORDING AND REPRODUCING DEVICE 审中-公开
    信息记录和复制设备

    公开(公告)号:US20100135140A1

    公开(公告)日:2010-06-03

    申请号:US12593355

    申请日:2008-03-13

    IPC分类号: G11B20/18 G11B7/135

    摘要: An information recording/reproducing device diffracts laser light into main- and sub-beams, irradiates evanescent light in relation to the main beam by an evanescent light generating element to a track where a recording pit provided on a recording surface of a recording medium is formed and evanescent light in relation to the sub-beam to be separated to a track where no recording pit provided on the recording surface of the recording medium is formed. A moving element moves the evanescent light generating element to change a gap with the recording surface. Return light in relation to the sub- and main-beam are received by sub- and main-light receiving elements, respectively. A control element controls the moving element so as to make the gap become a predetermined target value in accordance with a gap error signal containing a signal indicative of an amount of the return light in relation to the received sub-beam.

    摘要翻译: 信息记录/再现装置将激光衍射成主光束和次光束,通过ev逝光产生元件将相对于主光束的ev逝光照射到形成记录介质的记录表面上的记录凹坑的轨道 以及相对于要分离到不形成记录介质的记录表面上的记录凹坑的轨道的相对于子光束的渐逝光。 移动元件移动消逝光产生元件以改变与记录表面的间隙。 相对于副主梁和主梁的返回光分别由副光接收元件和主光接收元件接收。 控制元件控制移动元件,以便根据含有指示与所接收的子光束相关的返回光量的信号的间隙误差信号使间隙变成预定目标值。

    Information Recording Medium
    6.
    发明申请
    Information Recording Medium 审中-公开
    信息记录媒体

    公开(公告)号:US20080267035A1

    公开(公告)日:2008-10-30

    申请号:US10594534

    申请日:2005-03-29

    IPC分类号: G11B7/00

    摘要: An information recording medium (100) is provided with: a first recording layer (L0) in which record information is recorded toward one direction directed from an inner circumferential side to an outer circumferential side, or directed from the outer circumferential side to the inner circumferential side, by irradiating laser light (LB) thereon; and a second recording layer (L1) in which the record information is recorded toward another direction which is different from the one direction, by irradiating the laser light thereon, directions of recording the record information being equal, in a particular recording area for focus-in of the laser light in said first recording layer and in at least one recording area of said second recording layer corresponding to the particular recording area.

    摘要翻译: 信息记录介质(100)具有:第一记录层(L 0),其中记录信息从从内周侧朝向外周侧的一个方向记录,或从外周侧向内记录 周边,通过在其上照射激光(LB); 以及第二记录层(L 1),其中通过在特定的记录区域中照射记录信息的方向相等的方式,将记录信息沿与该一个方向不同的另一方向记录 - 在所述第一记录层中的激光中和在与所述特定记录区对应的所述第二记录层的至少一个记录区中。

    Information recording device and method, and computer program
    7.
    发明申请
    Information recording device and method, and computer program 审中-公开
    信息记录装置和方法以及计算机程序

    公开(公告)号:US20070189138A1

    公开(公告)日:2007-08-16

    申请号:US10592368

    申请日:2005-03-09

    IPC分类号: G11B7/12

    摘要: An information recording device (1) includes: recording elements (501) for recording information on an information recording medium by recording layer light having adjustable recording power; optimization elements (571) for controlling the recording elements so as to modify the recording power at least into several levels and recording real data corresponding to the data used by the recording elements when recording information; and adjusting elements (504) for adjusting the recording power in the recording elements to be an optimal value.

    摘要翻译: 信息记录装置(1)包括:记录元件(501),用于通过记录具有可调记录功率的层光将信息记录在信息记录介质上; 优化元件(571),用于控制记录元件,以便至少将记录功率修改为几个级别,并且在记录信息时记录与由记录元件使用的数据相对应的实际数据; 以及用于将记录元件中的记录功率调节为最佳值的调节元件(504)。

    Information recording device and method, and computer program
    8.
    发明申请
    Information recording device and method, and computer program 有权
    信息记录装置和方法以及计算机程序

    公开(公告)号:US20070064560A1

    公开(公告)日:2007-03-22

    申请号:US10553872

    申请日:2004-12-20

    IPC分类号: G11B7/12

    CPC分类号: G11B7/1267 G11B2007/0013

    摘要: An information recording device comprising a recording unit that records recording information by applying a laser beam to an information recording medium having a first recording layer for recording recording information by being irradiated with a laser beam and a second recording layer for recording recording information by irradiating with a laser beam via the first recording layer, a calculating unit that calculates an optimum laser beam power when, by using the recording means, trial-recording trial information is recorded by irradiating the second recording layer with a laser beam via a recording-information-unrecorded recording area in the first recording layer and recording information is recorded by irradiating the second recording layer with a laser beam via a recording-information-recorded recording area in the first recording layer, and a control unit that controls the recording unit.

    摘要翻译: 一种信息记录装置,包括记录单元,该记录单元通过将激光束施加到具有用于通过照射激光束来记录记录信息的第一记录层的信息记录介质和用于通过照射用于记录记录信息的第二记录层 通过第一记录层的激光束,计算单元,通过使用记录装置,通过记录信息记录试验信息通过用激光束照射第二记录层来记录试验记录试验信息,计算最佳的激光束功率, 通过经由第一记录层中的记录信息记录记录区域的激光束照射第二记录层来记录第一记录层中的未记录记录区域和记录信息,以及控制记录单元的控制单元。

    Information recording medium, and information recording apparatus and method
    10.
    发明授权
    Information recording medium, and information recording apparatus and method 有权
    信息记录介质,信息记录装置和方法

    公开(公告)号:US07721097B2

    公开(公告)日:2010-05-18

    申请号:US11395174

    申请日:2006-04-03

    IPC分类号: G11B7/00 H04L9/32 G06F17/00

    摘要: A disc-shaped information recording medium includes a first recording layer (L0 layer) having (I) a first trial write area (101P-1) for trial write of first trial write information for calibration of the laser beam along the first track path (TP1) from the inner circumference toward the outer circumference and (II) a first recording area for recording the first recording information along a first track path (TP1), in this order from the inner circumference side. Furthermore, the disc-shaped information recording medium includes a second recording layer (L1 layer) having (I) a second trial write area (101P-2) for trial write of second trial write information for calibration of the laser beam along the second track path (TP2) from the outer circumference toward the inner circumference and (II) a second recording area for recording the second recording information along a second track path (TP2), in this order from the inner circumference side.

    摘要翻译: 盘形信息记录介质包括第一记录层(L0层),其具有(I)第一试写区域(101P-1),用于试写第一试写入信息,用于沿着第一轨道路径校准激光束 TP1),以及(II)从内周侧依次沿着第一轨道(TP1)记录第一记录信息的第一记录区域。 此外,盘状信息记录介质包括第二记录层(L1层),其具有(I)第二试写区域(101P-2),其用于沿第二轨道校准激光束的第二试写写信息 路径(TP2)从外圆周到内圆周的距离,以及(II)第二记录区域,用于沿着第二轨迹路径TP2顺序记录第二记录信息。