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    • 2. 发明申请
    • DIRECT READ AFTER WRITE FOR OPTICAL STORAGE DEVICE
    • 对光存储器件进行写入后的直接读取
    • WO2013028354A1
    • 2013-02-28
    • PCT/US2012/049893
    • 2012-08-08
    • ORACLE INTERNATIONAL CORPORATIONMAHNAD, Faramarz
    • MAHNAD, Faramarz
    • G11B7/0045G11B7/1395
    • G11B7/00458G11B7/003G11B7/1353G11B7/1395
    • Systems and methods for data storage on an optical medium having a plurality of tracks include splitting a light beam into a higher power main beam and at least one lower power side beam that form corresponding spots spaced along a selected one of the plurality of tracks and selectively positioning and aligning the beams/spots along the selected one of the plurality of tracks using the higher power main beam to write data while reading previously written data using the at least one lower power side beam. The systems and methods may include correlating the read signal with a time-shifted write signal to provide a direct read after write capability to verify data written to the optical medium. In one embodiment, an optical tape drive includes an optical pickup unit (OPU) that generates a lower power satellite beam to read data directly after writing by a higher power main beam.
    • 用于在具有多个轨道的光学介质上进行数据存储的系统和方法包括将光束分成更高功率的主光束和至少一个下功率侧光束,所述至少一个下电源侧光束形成沿着所述多个光道中的所选轨道间隔开的相应光斑,并且选择性地 使用较高功率的主光束沿着所选择的一个轨道定位和对准所述光束/光点以在使用所述至少一个较低功率侧光束读取预先写入的数据的同时写入数据。 系统和方法可以包括将读取信号与时移写入信号相关联,以在写入能力之后提供直接读取以验证写入光学介质的数据。 在一个实施例中,光带驱动器包括光拾取单元(OPU),其生成较低功率的卫星波束,以在通过更高功率的主波束写入之后直接读取数据。
    • 5. 发明申请
    • OPTICAL TAPE DRIVE MOVABLE PLANARIZER SUBSYSTEM AND METHOD FOR MINIMIZING DAMAGE TO AN OPTICAL PICKUP UNIT
    • 光学带驱动可移动平面设备子系统和最小化光学拾取单元损伤的方法
    • WO2011159591A1
    • 2011-12-22
    • PCT/US2011/040127
    • 2011-06-13
    • ORACLE INTERNATIONAL CORPORATIONMAHNAD, Faramarz
    • MAHNAD, Faramarz
    • G11B7/003G11B15/62
    • G11B15/62G11B7/003G11B15/26G11B15/60
    • In an optical tape drive system, a movable planarizer subsystem (16) includes a tape planarizer support structure (28) for supporting an optical tape planarizer (10). The support structure (28) is moveable between an operational position and a non - operational position. The movable planarizer subsystem (16) also includes an actuator (36) for moving the support structure (28) and the optical tape planarizer (10) between the operational position and the non - operational position. The operational position of the support structure (28) positions the optical tape planarizer (10) to permit reading/writing of information from/to an optical tape (18) via an optical pickup unit (OPU), and the non - operational position of the support structure (28) positions the optical tape planarizer (10) to permit passage of a tape leader (34) though the tape drive system without damage to the OPU.
    • 在光带驱动系统中,可移动平面化器子系统(16)包括用于支撑光带平面化器(10)的带平面化器支撑结构(28)。 支撑结构(28)可在操作位置和非操作位置之间移动。 可移动平面化器子系统(16)还包括用于在操作位置和非操作位置之间移动支撑结构(28)和光学带平面化器(10)的致动器(36)。 支撑结构(28)的操作位置将光带平面化器(10)定位成允许经由光学拾取单元(OPU)从光学胶带(18)读取/写入信息,并且将非操作位置 支撑结构(28)定位光带平面化器(10)以允许磁带引导件(34)通过磁带驱动系统而不损坏OPU。