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    • 2. 发明授权
    • Disc accomodating adaptor and a method and apparatus for driving the same
    • 盘式适配器及其驱动方法和装置
    • US06606295B1
    • 2003-08-12
    • US09354085
    • 1999-07-15
    • Young-sun SeoDong-ho ShinIn-sik ParkJung-wan KoHan-kook ChoiJong-pil ParkHee-deuk ParkKyu-hyeong Lee
    • Young-sun SeoDong-ho ShinIn-sik ParkJung-wan KoHan-kook ChoiJong-pil ParkHee-deuk ParkKyu-hyeong Lee
    • G11B584
    • G11B17/0545G11B23/0317
    • An adaptor includes a sensor hole to be open/closed, and a method and an apparatus drive the adaptor. The adaptor includes at least one sensor hole determining the size of a disc received in an adaptor body which is received via a disc holder. The disc holder includes an elastic press extended therefrom and elastically support the disc, preventing a movement of the disc until the disc holder is inserted into the adaptor body. Further, a release is disposed on the adaptor body to release the disc from the elastic press when the disc holder is inserted into the adaptor body. A method for driving the adaptor includes determining whether the sensor hole is open; and determining the type of device inserted into a disc drive. The type of drive inserted into the disc drive is determined by the adaptor accommodating an 8-cm disc when the sensor hole is open, while a cartridge accommodates a 12-cm disc when the sensor hole is closed. An apparatus for driving the adaptor includes a sensing switch to be selectively inserted into the sensor hole of the inserted adaptor to be turned on/off and transmit the corresponding signal regarding the open/closed state of the sensor hole to a microcomputer.
    • 适配器包括要打开/关闭的传感器孔,以及驱动适配器的方法和装置。 适配器包括至少一个传感器孔,其确定经由盘保持器接收的适配器主体中接收的盘的尺寸。 盘保持器包括从其延伸的弹性压力机并弹性地支撑盘,防止盘的移动,直到盘保持器插入适配器主体内。 此外,当盘保持器插入适配器主体中时,将释放件设置在适配器主体上以从弹性压力机释放盘。 用于驱动适配器的方法包括确定传感器孔是否打开; 并确定插入到盘驱动器中的装置的类型。 当传感器孔打开时,插入盘驱动器的驱动器类型由容纳8cm盘的适配器确定,而当传感器孔关闭时,盒容纳12cm盘。 用于驱动适配器的装置包括一个感测开关,其被选择性地插入到插入的适配器的传感器孔中以被打开/关闭,并将关于传感器孔的打开/关闭状态的相应信号传送到微型计算机。
    • 3. 发明授权
    • Apparatus for adjusting a tilt of a disc loaded on a turn table
    • 用于调节装载在转台上的盘的倾斜的装置
    • US06181669B2
    • 2001-01-30
    • US09001461
    • 1997-12-31
    • Hee-deuk Park
    • Hee-deuk Park
    • G11B1730
    • G11B17/0282G11B21/24G11B25/043G11B33/08
    • A tilt adjusting apparatus includes a deck base having a loading ring, a bracket formed with a slot, the bracket including a spindle motor for rotating a disc and a turn table on which the disc is loaded, a supporting part disposed between the loading ring and the bracket for horizontally supporting the disc and the turn table by supporting the bracket, and a tilt adjusting part rotatably mounted to the deck base for adjusting a tilt of the disc. The bracket is easily suppoted to the deck base to be horizontal by increasing a supporting area of the tilt adjusting part. Both a radial tilt and a tangential tilt of the turn table and the disc can be easily adjusted.
    • 倾斜调节装置包括具有装载环的甲板底座,形成有槽的支架,支架包括用于旋转盘的主轴电机和装载有盘的转台,支撑部分设置在装载环和 用于通过支撑支架水平支撑盘和转台的支架,以及可旋转地安装到甲板底座上用于调节盘的倾斜的倾斜调节部件。 通过增加倾斜调节部的支撑面积,支架容易地被卡在水平面上。 能够容易地调节转台和盘的径向倾斜和切向倾斜。
    • 5. 发明授权
    • Optical pick-up feeding device
    • US06445673B1
    • 2002-09-03
    • US09193254
    • 1998-11-17
    • Hee-deuk Park
    • Hee-deuk Park
    • G11B708
    • An optical pick-up feeding device for easily adjusting an optical pick-up device to be perpendicular with respect to a surface of an optical disc. The optical pick-up feeding device includes a feeding section to feed the optical pick-up device, a guiding section to guide the optical pick-up device while it is fed by the feeding section, and an adjusting section to adjust the guiding section so that the optical axis of the optical pick-up device is perpendicular with respect to the surface of the optical disc. The feeding section has a lead screw to feed the optical pick-up device and a stepping motor to rotate the lead screw. The guiding section has a pair of guide shafts, and is adjusted by adjusting holders engaged with each end of one of the guide shafts and one end of the other guide shaft. Also, the optical axis of the optical pick-up device is adjusted to be perpendicular with respect to the surface of disc so that the recording/reproducing of data thereto/therefrom by an optical disc player is smoothly performed. Advantages are apparent in that the perpendicularity of the optical axis of the pick-up device is easily adjusted, vibration of the optical pick-up device is prevented, and the optical pick-up device is accurately positioned at an expected position to access the optical disc.
    • 6. 发明授权
    • Optical pickup having a tilt mechanism to adjust an optical axis of an incident light beam
    • 具有用于调整入射光束的光轴的倾斜机构的光学拾取器
    • US06295255B1
    • 2001-09-25
    • US09315989
    • 1999-05-21
    • Young-sun SeoHan-kook ChoiPyong-yong SeongIn-sik ParkHee-deuk ParkYoung-min CheongDong-ho Shin
    • Young-sun SeoHan-kook ChoiPyong-yong SeongIn-sik ParkHee-deuk ParkYoung-min CheongDong-ho Shin
    • G11B700
    • G11B7/1362G11B7/0932G11B7/0935G11B7/0956
    • An optical pickup includes a rotary block rotatably installed on a fixed base; a holder integrally coupled to the rotary block; a bobbin supported by a wires of the holder to be movable; a base plate fixed to the fixed base and placed between the rotary block and the bobbin; an objective lens mounted in the bobbin, for focusing an incident light to form a spot of light on a recording medium; a focusing coil and tracking coils installed in the bobbin, serving as a current flow path for focusing and tracking operations; first magnets and first inner and outer yokes installed in the base plate, facing the focusing coil and the tracking coils, for producing magnetic fields perpendicular to the current flowing through the focusing coil and the tracking coils to produce an electromagnetic force for driving the bobbin; a fixed optical system for irradiating light toward the recording medium and receiving the light reflected by the recording medium and then passed through the objective lens; a reflecting mirror for changing the traveling path of the incident light, the reflecting mirror installed in the rotary block to be arranged between the objective lens and the fixed optical system; tilt coils serving as a current flow path, the tilt coils installed at both sides of the rotary block; and second magnets and second inner and outer yokes installed facing the tilt coils, for producing magnetic fields perpendicular to the current flowing through the tilt coils to produce an electromagnetic force for rotating the rotary block. Therefore, the tilt of the optical axis of the light incident onto and reflected by an optical disk through the reflecting mirror and the objective lens can be adjusted according to the tilt of the recording medium, such that the light is perpendicularly incident onto and reflected by the recording medium all the time.
    • 光学拾取器包括可旋转地安装在固定基座上的旋转块; 一体地联接到所述旋转块的保持器; 由保持器的电线支撑的可绕动的线轴; 固定在所述固定基座上并设置在所述旋转块和所述筒管之间的基板; 安装在筒管中的物镜,用于聚焦入射光以在记录介质上形成光斑; 安装在筒管中的聚焦线圈和跟踪线圈,用作用于聚焦和跟踪操作的电流流动路径; 第一磁体和安装在基板中的面对聚焦线圈和跟踪线圈的第一内外轭,用于产生垂直于流过聚焦线圈和跟踪线圈的电流的磁场,以产生用于驱动线轴的电磁力; 用于向记录介质照射光并接收由记录介质反射的光然后通过物镜的固定光学系统; 用于改变入射光的行进路径的反射镜,安装在旋转块中以设置在物镜和固定光学系统之间的反射镜; 倾斜线圈用作电流流路,倾斜线圈安装在旋转块的两侧; 并且第二磁体和第二内外轭安装成面对倾斜线圈,用于产生垂直于流过倾斜线圈的电流的磁场,以产生用于旋转旋转块的电磁力。 因此,可以根据记录介质的倾斜度,通过反射镜和物镜入射到光盘并由其反射的光的光轴的倾斜,使得光垂直入射到其上并由 记录介质。