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    • 3. 发明授权
    • Data storage system having an optical processing flying head
    • 具有光学处理飞头的数据​​存储系统
    • US6034938A
    • 2000-03-07
    • US851379
    • 1997-05-05
    • John F HeanueJeffrey P. WildeJerry E. Hurst, Jr.John H. Jerman
    • John F HeanueJeffrey P. WildeJerry E. Hurst, Jr.John H. Jerman
    • G02B6/10G02B6/126G02B6/35G02B6/42G02B26/08G11B7/0037G11B7/085G11B7/09G11B7/12G11B7/125G11B7/135G11B7/14G11B7/22G11B11/105H02N1/00H04B10/135G11B11/00
    • G02B6/126G02B26/0833G02B26/0841G02B26/0866G02B6/4246G11B11/10532G11B11/10534G11B11/10541G11B11/10543G11B11/1058G11B11/10595G11B7/08564G11B7/122G11B7/127G11B7/135G11B7/1362G11B7/1365G11B7/1372G11B7/1384G11B7/22H02N1/008H04B10/2572G02B6/105G11B11/10515G11B11/10554G11B11/10563G11B11/10569G11B7/0037G11B7/08576G11B7/0901G11B7/14
    • An optical data storage and retrieval system uses a flying head. The flying head is supported on a moving media having information stored in a plurality of stored data locations thereon. Information is stored in each of the plurality of media locations as physical structures capable of modulating the polarization state of incident light into one of two output polarization states. The flying head includes an optical processing assembly which directs an incident light beam having a source polarization state onto the moving media, accessing successive data locations. A reflected light beam having the source polarization state of the incident light beam modulated by a respective polarization modifying data location into one of the output polarization states is received by the flying head. The optical processing assembly optically transforms the modulated output polarization state of the reflected light beam into two return light beams having differentially modulated intensity related to the output polarization state of the reflected light beam. The two intensity modulated return light beams are optically coupled to a distal differential detector which outputs digital data representing the stored data information for the subject data location. A preferred embodiment includes optical fibers for coupling the incident and return light beams between the detector and the flying head. The optical assembly of a preferred embodiment includes an optical plate having pre-shaped and dimensioned recesses for automatically locating and aligning multiple optical components comprising the assembly. The flying head may also include a servo-controlled micro machined mirror for directing the incident and reflected light beams to and from the media.
    • 光学数据存储和检索系统使用飞头。 飞行头被支撑在具有存储在其上的多个存储的数据位置中的信息的移动介质上。 信息被存储在多个媒体位置的每一个中,作为能够将入射光的偏振状态调制成两个输出偏振状态之一的物理结构。 飞头包括光学处理组件,其将具有源极化状态的入射光束引导到移动介质上,访问连续的数据位置。 具有由相应的偏振修正数据位置调制为入射偏振状态之一的入射光束的源极化状态的反射光束被飞头接收。 光学处理组件将被反射光束的调制输出偏振状态光学变换成具有与反射光束的输出偏振态相关的差分调制光强度的两个返回光束。 两个强度调制的返回光束光学耦合到远端差分检测器,远端差分检测器输出表示被摄体数据位置的存储的数据信息的数字数据。 优选实施例包括用于将入射和返回光束耦合在检测器和飞头之间的光纤。 优选实施例的光学组件包括具有预形状和尺寸的凹槽的光学板,用于自动定位和对准包括组件的多个光学部件。 飞头还可以包括用于将入射和反射的光束引导到介质和从介质引导的伺服控制的微加工镜。
    • 10. 发明授权
    • Data storage system having an optical processing flying head
    • 具有光学处理飞头的数据​​存储系统
    • US06781927B1
    • 2004-08-24
    • US09436943
    • 1999-11-09
    • John F HeanucJeffrey P. WildeJerry E. Hurst, Jr.John H. Jerman
    • John F HeanucJeffrey P. WildeJerry E. Hurst, Jr.John H. Jerman
    • G11B1100
    • G02B6/126G02B6/105G02B6/4246G02B26/0833G02B26/0841G02B26/0866G11B7/0037G11B7/08564G11B7/08576G11B7/0901G11B7/122G11B7/127G11B7/135G11B7/1362G11B7/1365G11B7/1372G11B7/1384G11B7/14G11B7/22G11B11/10515G11B11/10532G11B11/10534G11B11/10541G11B11/10543G11B11/10554G11B11/10563G11B11/10569G11B11/1058G11B11/10595H02N1/008H04B10/2572
    • An optical data storage and retrieval system uses a flying head. The flying head is supported on a moving media having information stored in a plurality of stored data locations thereon. Information is stored in each of the plurality of media locations as physical structures capable of modulating the polarization state of incident light into one of two output polarization states. The flying head includes an optical processing assembly which directs an incident light beam having a source polarization state onto the moving media, accessing successive data locations. A reflected light beam having the source polarization state of the incident light beam modulated by a respective polarization modifying data location into one of the output polarization states is received by the flying head. The optical processing assembly optically transforms the modulated output polarization state of the reflected light beam into two return light beams having differentially modulated intensity related to the output polarization state of the reflected light beam. The two intensity modulated return light beams are optically coupled to a distal differential detector which outputs digital data representing the stored data information for the subject data location. A preferred embodiment includes optical fibers for coupling the incident and return light beams between the detector and the flying head. The optical assembly of a preferred embodiment includes an optical plate having pre-shaped and dimensioned recesses for automatically locating and aligning multiple optical components comprising the assembly. The flying head may also include a servo-controlled micro machined mirror for directing the incident and reflected light beams to and from the media.
    • 光学数据存储和检索系统使用飞头。 飞行头被支撑在具有存储在其上的多个存储的数据位置中的信息的移动介质上。 信息被存储在多个媒体位置的每一个中,作为能够将入射光的偏振状态调制成两个输出偏振状态之一的物理结构。 飞头包括光学处理组件,其将具有源极化状态的入射光束引导到移动介质上,访问连续的数据位置。 具有由相应的偏振修正数据位置调制为入射偏振状态之一的入射光束的源极化状态的反射光束被飞头接收。 光学处理组件将被反射光束的调制输出偏振状态光学变换成具有与反射光束的输出偏振态相关的差分调制光强度的两个返回光束。 两个强度调制的返回光束光学耦合到远端差分检测器,远端差分检测器输出表示被摄体数据位置的存储的数据信息的数字数据。 优选实施例包括用于将入射和返回光束耦合在检测器和飞头之间的光纤。 优选实施例的光学组件包括具有预形状和尺寸的凹槽的光学板,用于自动定位和对准包括组件的多个光学部件。 飞头还可以包括用于将入射和反射的光束引导到介质和从介质引导的伺服控制的微加工镜。