Writing method for optical disk drive
    1.
    发明授权
    Writing method for optical disk drive 失效
    光盘驱动器的写入方式

    公开(公告)号:US08477579B2

    公开(公告)日:2013-07-02

    申请号:US13029087

    申请日:2011-02-16

    IPC分类号: G11B7/00 G11B3/74 G11B7/125

    CPC分类号: G11B7/1267 G11B7/00456

    摘要: A writing method for an optical disk drive includes receiving a command to write a disc; implementing an optimum power control (OPC) test for a predetermined data transfer rate to obtain a relation of a beta parameter to writing power; acquiring a writing power for the predetermined data transfer rate with a target beta parameter; calculating the energy area ratio of writing strategies for every data transfer rate; multiplying the energy area ratio by the writing power for the predetermined data transfer rate to produce the writing power for every data transfer rate; and compensating the writing power with automatic writing control.

    摘要翻译: 一种用于光盘驱动器的写入方法,包括接收写入盘的命令; 对预定的数据传输速率实施最佳功率控制(OPC)测试,以获得beta参数与写入功率的关系; 以目标β参数获取所述预定数据传输速率的写入功率; 计算每个数据传输速率的写作策略的能量面积比; 将能量面积比乘以预定数据传输速率的写入功率,以产生每个数据传输速率的写入功率; 并通过自动写入控制补偿写入功率。

    Multilayer optical disc
    2.
    发明授权
    Multilayer optical disc 有权
    多层光盘

    公开(公告)号:US08233374B2

    公开(公告)日:2012-07-31

    申请号:US12600580

    申请日:2008-05-15

    IPC分类号: G11B3/74

    摘要: In a multi-layer optical disc, having three (3) or more recording layers thereof, for enabling an easy focus lead-in operation onto a desired recording layer, reflectivity of respective recording layers are so determined that a ratio between the reflectivity of the desired recording layer and the reflectivity of other recording layers is equal or greater than a predetermined value, upon basis of the reflectivity of the other recording layers.

    摘要翻译: 在具有三(3)个或更多个记录层的多层光盘中,为了能够容易地将焦点导入到期望的记录层上,各个记录层的反射率被确定为: 基于其他记录层的反射率,期望的记录层和其它记录层的反射率等于或大于预定值。

    Multilayer optical recording medium
    3.
    发明授权
    Multilayer optical recording medium 有权
    多层光记录介质

    公开(公告)号:US08144561B2

    公开(公告)日:2012-03-27

    申请号:US11826466

    申请日:2007-07-16

    IPC分类号: G11B3/74

    摘要: A multilayer recording medium has a three-layered structure for an increased capacity, including an L0 layer, an L1 layer, and an L2 layer in order from the side farthest away from the incident surface of laser light. The recording layers are made of respective recording film materials selected so that the recording films of the recording layers have respective recording-reaction temperatures T0, T1, and T2, where T0≦T1≦T2 and T0

    摘要翻译: 多层记录介质具有用于增加容量的三层结构,包括从距激光入射面最远的一侧依次包括L0层,L1层和L2层。 记录层由选择的各个记录膜材料制成,使得记录层的记录膜具有各自的记录反应温度T0,T1和T2,其中T0&N1; T1&N1; T2和T0

    MULTILAYER OPTICAL DISC
    4.
    发明申请
    MULTILAYER OPTICAL DISC 有权
    多层光盘

    公开(公告)号:US20100260026A1

    公开(公告)日:2010-10-14

    申请号:US12600580

    申请日:2008-05-15

    IPC分类号: G11B3/74

    摘要: In a multi-layer optical disc, having three (3) or more recording layers thereof, for enabling an easy focus lead-in operation onto a desired recording layer, reflectivity of respective recording layers are so determined that a ratio between the reflectivity of the desired recording layer and the reflectivity of other recording layers is equal or greater than a predetermined value, upon basis of the reflectivity of the other recording layers.

    摘要翻译: 在具有三(3)个或更多个记录层的多层光盘中,为了能够容易地将焦点导入到期望的记录层上,各个记录层的反射率被确定为: 基于其他记录层的反射率,期望的记录层和其它记录层的反射率等于或大于预定值。

    Optical disc device and control circuit for optical disc device
    5.
    发明授权
    Optical disc device and control circuit for optical disc device 有权
    用于光盘装置的光盘装置和控制电路

    公开(公告)号:US07773484B2

    公开(公告)日:2010-08-10

    申请号:US12064463

    申请日:2006-08-24

    IPC分类号: G11B3/74

    摘要: To prevent the focal point of a light beam from entering an unrecorded area, where no data has been written yet, when data is being read continuously from multiple storage layers.An optical disc drive can read data from an optical disc with at least first and second storage layers. The drive includes: a drive mechanism for rotating the disc; an optical pickup, which irradiates the disc in the drive mechanism with converged light and generates a read signal based on the light reflected from the disc; and a control section for controlling operations of the drive mechanism and the pickup, thereby shifting the focal point of the light. In reading data from the first and second layers continuously, the control section shifts the focal point in a first radial direction while data is read from the first layer and then moves the focal point to a location on the second layer before data starts to be read from the second layer. That location has been shifted from its previous one by a predetermined displacement in a second radial direction that is opposite to the first radial direction.

    摘要翻译: 为了防止光束的焦点进入未记录数据的未记录区域,当从多个存储层连续读取数据时。 光盘驱动器可以利用至少第一和第二存储层从光盘读取数据。 驱动器包括:用于旋转盘的驱动机构; 光拾取器,其以会聚的光照射驱动机构中的盘,并且基于从盘反射的光产生读取信号; 以及控制部分,用于控制驱动机构和拾取器的操作,从而移动光的焦点。 在从第一层和第二层连续读取数据时,控制部分在第一半径方向移动焦点,同时从第一层读取数据,然后在数据开始读取之前将焦点移动到第二层上的位置 从第二层。 该位置已经从与之前的位置沿与第一径向方向相反的第二径向方向移位预定位移。

    MULTI-LAYER OPTICAL DISCS
    6.
    发明申请
    MULTI-LAYER OPTICAL DISCS 审中-公开
    多层光盘

    公开(公告)号:US20100118679A1

    公开(公告)日:2010-05-13

    申请号:US12527465

    申请日:2008-02-19

    IPC分类号: G11B3/74 G11B7/24

    摘要: An optical record carrier (30) comprising a plurality of information layers formed above a first surface of a substrate wherein at least one of the information layers is a re-writable cache layer is disclosed. The data that is read more than once is copied on to the re-writable cache layer when the recording/reproducing device is not in active use. Next time when the same data is requested, it can be read from the re-writable cache layer. This is advantageous since the data is stored un-fragmented on the re-writable cache layer and the re-writable cache layer can have higher read speeds than the other information layers in the optical record carrier. Therefore, the re-writable cache layer can improve the system performance in terms of read speed.

    摘要翻译: 一种光学记录载体(30),其包括形成在基板的第一表面之上的多个信息层,其中信息层中的至少一个是可重写高速缓存层。 当记录/再现设备未被激活使用时,多次读取的数据被复制到可重写缓存层。 下一次当请求相同的数据时,可以从可重写缓存层读取。 这是有利的,因为数据被非分片存储在可重写缓存层上,并且可重写缓存层可以具有比光学记录载体中的其它信息层更高的读取速度。 因此,可重写缓存层可以在读取速度方面提高系统性能。

    Planar optical waveguide for heat assisted magnetic recording
    7.
    发明申请
    Planar optical waveguide for heat assisted magnetic recording 有权
    用于热辅助磁记录的平面光波导

    公开(公告)号:US20090073843A1

    公开(公告)日:2009-03-19

    申请号:US11901921

    申请日:2007-09-19

    申请人: Chubing Peng

    发明人: Chubing Peng

    IPC分类号: G11B3/74 G02B6/10

    CPC分类号: G02B6/34 G02B6/124

    摘要: An optical waveguide includes a core guiding layer, a cladding layer adjacent to the core guiding layer, a reflective layer, and a multiple layer stack on the reflective layer. The multiple layer stack includes a periodic arrangement of dielectric bilayers that each include a first dielectric layer and a second dielectric layer. An index of refraction n1 of the first dielectric layer is greater than an index of refraction n2 the second dielectric layer.

    摘要翻译: 光波导包括芯引导层,与芯引导层相邻的包覆层,反射层和反射层上的多层堆叠。 多层堆叠包括每个包括第一介电层和第二介电层的电介质双层的周期排列。 第一电介质层的折射率n1大于第二介电层的折射率n2。

    MULTI-LAYER INFORMATION RECORDING MEDIUM, INFORMATION RECORDING/REPRODUCING DEVICE AND MULTI-LAYER INFORMATION RECORDING MEDIUM MANUFACTURING METHOD
    8.
    发明申请
    MULTI-LAYER INFORMATION RECORDING MEDIUM, INFORMATION RECORDING/REPRODUCING DEVICE AND MULTI-LAYER INFORMATION RECORDING MEDIUM MANUFACTURING METHOD 审中-公开
    多层信息记录介质,信息记录/再现设备和多层信息记录介质制造方法

    公开(公告)号:US20090016188A1

    公开(公告)日:2009-01-15

    申请号:US12281530

    申请日:2007-02-21

    IPC分类号: G11B3/74

    摘要: By assuring lower compatibility with information recording media already on the market or of known formats, information is recorded/reproduced on/from a multi-layer information recording medium of a new format using an information recording/reproducing device already widely in use. The multi-layer information recording medium includes a plurality of layered information planes L0 to L3, which include a first and a second information planes L0, L1 each having a BCA and a pre-recorded area (first reflecting surface) for reflecting a light with a specified first reflected light power when the light is incident and a third and a fourth information planes L2, L3 each having a low reflectivity area (second reflecting surface) for reflecting the light with a second reflected light power smaller than the first reflected light power.

    摘要翻译: 通过确保与已经在市场上或已知格式的信息记录媒体的兼容性较低,使用已经广泛使用的信息记录/再现装置,在新格式的多层信息记录介质上记录/再现信息。 多层信息记录介质包括多个分层信息平面L0至L3,其包括第一和第二信息面L0,L1,每个第一和第二信息面具有BCA和用于反射光的预记录区域(第一反射面) 光入射时的指定的第一反射光功率和具有低反射率区域(第二反射面)的第三和第四信息面L2,L3,用于以比第一反射光功率小的第二反射光功率反射光 。

    Information storage medium having optimal power control areas
    10.
    发明授权
    Information storage medium having optimal power control areas 有权
    具有最佳功率控制区域的信息存储介质

    公开(公告)号:US07466641B2

    公开(公告)日:2008-12-16

    申请号:US11780820

    申请日:2007-07-20

    申请人: Kyung-geun Lee

    发明人: Kyung-geun Lee

    IPC分类号: G11B3/74

    摘要: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other, or partially overlap each other and lock out use of the overlapped portion. Therefore, when an OPC area of one information storage layer performs OPC, this OPC does not affect another information storage layer.

    摘要翻译: 一种具有多个信息存储层的信息存储介质,每个信息存储层包括用于获得最佳记录条件的最佳功率控制(OPC)区域,其中奇数和偶数信息存储层中的OPC区域不面向 彼此不彼此接触,或者部分地彼此重叠并锁定重叠部分的使用。 因此,当一个信息存储层的OPC区域执行OPC时,该OPC不影响另一信息存储层。