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    • 6. 发明授权
    • Optical pick-up actuator
    • 拾光执行器
    • US06944103B2
    • 2005-09-13
    • US09820035
    • 2001-03-28
    • Sam Nyol Hong
    • Sam Nyol Hong
    • G11B7/085G11B7/00G11B7/09G11B7/095
    • G11B7/0933G11B7/0935G11B7/0956
    • Disclosed is an optical pick-up actuator including a tilt-compensating magnetic circuit adapted to conduct a tilt compensation depending on current flowing a focusing coil attached to a lens holder maintained in a suspended state. The tilt-compensating magnetic circuit includes magnets or electromagnets for generating a tilt-compensating magnetic field. Alternatively, the tilt-compensating magnetic circuit is configured to allow focusing and tracking magnets and a tracking coil to be movable toward the outer periphery of a disk, to which the optical pick-up actuator is applied. In either configuration, the tilt-compensating magnetic circuit generates a tilt-compensating magnetic field depending on the current flowing through the focusing coil. In accordance with the optical pick-up actuator of the present invention can conduct a tilt compensation depending on a control current flowing the focusing coil at the point of time when a focusing control is required. The optical pick-up actuator also automatically traces a tilt component resulting from a run-out phenomenon occurring due to a deflection of the disk. Thus, the optical pick-up actuator has a stable control performance.
    • 公开了一种光学拾取致动器,其包括倾斜补偿磁路,该倾斜补偿磁路适于根据流过安装在保持在悬浮状态的透镜架的聚焦线圈的电流进行倾斜补偿。 倾斜补偿磁路包括用于产生倾斜补偿磁场的磁体或电磁体。 或者,倾斜补偿磁路被配置为允许聚焦和跟踪磁体和跟踪线圈能够朝着应用光学拾取致动器的盘的外周移动。 在任一配置中,倾斜补偿磁路根据流过聚焦线圈的电流产生倾斜补偿磁场。 根据本发明的光学拾取致动器,可以在需要聚焦控制的时刻根据流过聚焦线圈的控制电流进行倾斜补偿。 光学拾取致动器还自动跟踪由于盘的偏转而发生的跳动现象导致的倾斜分量。 因此,光学拾取致动器具有稳定的控制性能。
    • 10. 发明授权
    • Display device and method thereof
    • 显示装置及其方法
    • US07810932B2
    • 2010-10-12
    • US11376140
    • 2006-03-16
    • Sam Nyol HongGi Tak YunHee Sool KooSang Hoon HahnIn Ho Choi
    • Sam Nyol HongGi Tak YunHee Sool KooSang Hoon HahnIn Ho Choi
    • G03B21/14G03B21/26
    • H04N9/3141H04N5/74
    • Disclosed is a display device adapting a resolution improvement device capable of effectively improving a resolution in a projecting display device and a method thereof. A display device according to the present invention comprises: a light source; an image forming means for forming an image using a light emitted from the light source and an input image signal; a projection means for projecting an image formed in the image forming means on a screen; a displacement means for displacing an image displayed on the screen to be displaced; a driving means for driving the displacement to be moved; and an input signal applying means for applying an input signal to the driving means for the displacement means to be rotated in a predetermined direction.According to the present invention, different images are displayed on a screen periodically. It seems that the greater number of pixels is used than the real number in a sense of sight. Thus, the present invention has an effect of improving a resolution with the same number of pixels.
    • 公开了适用于能够有效地提高投影型显示装置的分辨率的分辨率改善装置的显示装置及其方法。 根据本发明的显示装置包括:光源; 用于使用从光源发射的光形成图像的图像形成装置和输入图像信号; 投影装置,用于将形成在图像形成装置中的图像投影在屏幕上; 位移装置,用于移动显示在待移动的屏幕上的图像; 用于驱动移动的驱动装置; 以及输入信号施加装置,用于将输入信号施加到用于使位移装置沿着预定方向旋转的驱动装置。 根据本发明,周期性地在屏幕上显示不同的图像。 在视觉上看起来似乎使用比实数更大的像素数量。 因此,本发明具有以相同数量的像素提高分辨率的效果。