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    • 2. 发明授权
    • Liquid crystal device for compensating for aberration, optical pickup including liquid crystal device, and optical recording and/or reproducing apparatus employing optical pickup
    • 用于补偿像差的液晶装置,包括液晶装置的光学拾取器以及采用光学拾取器的光学记录和/或再现装置
    • US07423700B2
    • 2008-09-09
    • US11324466
    • 2006-01-04
    • Tae-kyung KimHee-kyung KimWoo-seok Choi
    • Tae-kyung KimHee-kyung KimWoo-seok Choi
    • G02F1/13
    • G11B7/13927G02B5/3016G11B7/1369
    • Provided are an aberration-compensating liquid crystal device, a method of manufacturing the same, an optical pickup including the liquid crystal device, and an optical recording and/or reproducing apparatus employing the optical pickup. The method of manufacturing an aberration-compensating liquid crystal device comprises: positioning a gray scale mask having an absorption rate distribution corresponding to that of aberrations to be corrected on a liquid crystal cell containing a mixture of liquid crystals and monomers injected between a pair of transparent substrates; and irradiating the liquid crystal cell on which the gray scale mask has been positioned with UV light so that the monomers undergo photopolymerization into polymer and phase separation into a polymer-existing region and a liquid crystal-existing region, thereby forming a liquid crystal layer having a phase difference distribution corresponding to that of aberrations to be corrected.
    • 提供了一种像差补偿液晶装置,其制造方法,包括液晶装置的光学拾取器以及采用光学拾取器的光学记录和/或再现装置。 制造像差补偿液晶装置的方法包括:将具有与待校正的像差的吸收率分布相对应的吸收率分布的灰度掩模定位在液晶单元上,所述液晶单元含有液晶和单体之间的混合物, 底物; 并用紫外光照射其上已经定位了灰度掩模的液晶单元,使得单体进行光聚合成聚合物和相分离成聚合物存在区域和液晶存在区域,由此形成液晶层,其具有 与要校正的像差的相位差分布相对应。
    • 6. 发明申请
    • Optical pickup and optical recording and/or reproducing apparatus adopting the same
    • 采用该拾取器和光学记录和/或再现装置的光拾取器和/或再现装置
    • US20060002247A1
    • 2006-01-05
    • US11172901
    • 2005-07-05
    • Tae-kyung KimSeok-jung KimHee-kyung KimWoo-seok Choi
    • Tae-kyung KimSeok-jung KimHee-kyung KimWoo-seok Choi
    • G11B7/00
    • G11B7/1369G11B7/1374G11B2007/0006
    • An optical pickup and an optical recording and/or reproducing apparatus adopting the same are provided. The optical pickup includes an optical unit, first and second objective lenses, and an optical path switching unit. The optical unit illuminates light onto an information storage medium and receives light reflected from the information storage medium to detect an information signal and/or an error signal. The first and the second objective lenses focus incident light to form a light spot on an information storage surface of the information storage medium. The optical path switching unit selectively directs the light incident from the optical unit to one of the first and second objective lenses. In the optical pickup, since the light quantity directed to a plurality of objective lenses may be maximized, optical efficiency is increased and thus high-speed operation may be attained.
    • 提供了一种光拾取器和采用该拾取器的光学记录和/或再现装置。 光学拾取器包括光学单元,第一和第二物镜以及光路切换单元。 光学单元将光照射到信息存储介质上并接收从信息存储介质反射的光以检测信息信号和/或误差信号。 第一和第二物镜聚焦入射光以在信息存储介质的信息存储表面上形成光斑。 光路切换单元将从光学单元入射的光选择性地引导到第一和第二物镜之一。 在光学拾取器中,由于可以使指向多个物镜的光量最大化,所以光学效率提高,因此可以实现高速运转。
    • 7. 发明申请
    • LOW VOLTAGE ELECTRICITY DISTRIBUTION CIRCUIT
    • 低电压电力分配电路
    • US20070184703A1
    • 2007-08-09
    • US11733661
    • 2007-04-10
    • Kyung KimKyung Kim
    • Kyung KimKyung Kim
    • H01R4/50
    • H01R25/164H01R13/652H01R13/70H01R24/78H01R25/006H01R29/00H01R2103/00Y10S439/956
    • The low voltage electricity distribution circuit of the present invention is an electrical outlet that includes a receptacle mounted to a recess including either a plurality of wires or a bus bar system. The receptacle has at least one continuously live power socket and at least one switched power socket disposed on it. Each of the power sockets is capable of receiving an appliance plug. The receptacle is movable along the recess to a different location to allow for appliances, for example lamps or computers, to be located at many different points along the wall. In other forms of the distribution circuit a stand-alone unit that is fixed in place may be provided. Additionally, accessories for the above receptacles and sockets are provided.
    • 本发明的低电压配电电路是一个电源插座,它包括安装在包括多条电线或母线系统的凹槽中的插座。 插座具有至少一个连续的带电电源插座和设置在其上的至少一个开关电源插座。 每个电源插座都能够接收电器插头。 容器可以沿着凹部移动到不同的位置,以允许诸如灯或计算机的器具沿着墙壁位于许多不同的位置。 在分配电路的其他形式中,可以提供固定在位的独立单元。 另外,还提供了上述插座和插座的配件。