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    Compatible optical pickup and optical recording and/or reproducing apparatus employing the same
    31.
    发明申请
    Compatible optical pickup and optical recording and/or reproducing apparatus employing the same 失效
    兼容的光学拾取器和采用该光学拾取器的光学记录和/或再现装置

    公开(公告)号：US20050018560A1

    公开(公告)日：2005-01-27

    申请号：US10897015

    申请日：2004-07-23

    Applicant: Ui-yol Kim ,  Tae-kyung Kim ,  Chong-sam Chung ,  Pyong-yong Seong

    Inventor： Ui-yol Kim ,  Tae-kyung Kim ,  Chong-sam Chung ,  Pyong-yong Seong

    IPC: G11B7/00 ,  G11B7/125 ,  G11B7/135

    CPC classification number: G11B7/1353 ,  G11B7/1275 ,  G11B7/1374 ,  G11B2007/0006

    Abstract: A compatible optical pickup including an optical unit and a focusing unit. The optical unit emits a short wavelength light for high-density recording media and a long wavelength light for low-density recording media, directs the short and long wavelength light to a recording medium, receives lights reflected by the recording medium, and detects an information reproduction signal and/or an error signal from the received lights. The focusing unit focuses light received from the optical unit to form a light spot on a recording surface of the recording medium, diffracts the short wavelength light into a zero order light and the long wavelength light into a second order light to be used as effective light for recording and/or reproduction. Thus, a high-density recording medium and a low-density recording medium having different thicknesses can be compatibly used.

    Abstract translation: 一种兼容的光学拾取器，包括光学单元和聚焦单元。 光学单元发射用于高密度记录介质的短波长光和用于低密度记录介质的长波长光，将短波长和长波长光引导到记录介质，接收由记录介质反射的光，并检测信息 再现信号和/或来自接收到的光的误差信号。 聚焦单元将从光学单元接收的光聚焦在记录介质的记录表面上形成光点，将短波长的光衍射成零级光，将长波长的光衍射成二阶光，作为有效光 用于记录和/或再现。 因此，可以兼容使用具有不同厚度的高密度记录介质和低密度记录介质。

    Compatible optical pickup and optical recording and/or reproducing apparatus employing the same
    33.
    发明授权
    Compatible optical pickup and optical recording and/or reproducing apparatus employing the same 失效
    兼容的光学拾取器和采用该光学拾取器的光学记录和/或再现装置

    公开(公告)号：US08493831B2

    公开(公告)日：2013-07-23

    申请号：US10897015

    申请日：2004-07-23

    Applicant: Ui-yol Kim ,  Tae-kyung Kim ,  Chong-sam Chung ,  Pyong-yong Seong

    Inventor： Ui-yol Kim ,  Tae-kyung Kim ,  Chong-sam Chung ,  Pyong-yong Seong

    IPC: G11B7/00

    CPC classification number: G11B7/1353 ,  G11B7/1275 ,  G11B7/1374 ,  G11B2007/0006

    Abstract: A compatible optical pickup including an optical unit and a focusing unit. The optical unit emits a short wavelength light for high-density recording media and a long wavelength light for low-density recording media, directs the short and long wavelength light to a recording medium, receives lights reflected by the recording medium, and detects an information reproduction signal and/or an error signal from the received lights. The focusing unit focuses light received from the optical unit to form a light spot on a recording surface of the recording medium, diffracts the short wavelength light into a zero order light and the long wavelength light into a second order light to be used as effective light for recording and/or reproduction. Thus, a high-density recording medium and a low-density recording medium having different thicknesses can be compatibly used.

    Abstract translation: 一种兼容的光学拾取器，包括光学单元和聚焦单元。 光学单元发射用于高密度记录介质的短波长光和用于低密度记录介质的长波长光，将短波长和长波长光引导到记录介质，接收由记录介质反射的光，并检测信息 再现信号和/或来自接收到的光的误差信号。 聚焦单元将从光学单元接收的光聚焦在记录介质的记录表面上形成光点，将短波长的光衍射成零级光，将长波长的光衍射成二阶光，作为有效光 用于记录和/或再现。 因此，可以兼容使用具有不同厚度的高密度记录介质和低密度记录介质。

    Optical pickup for cutting off optical noise and optical recording and/or reproducing apparatus using the same
    34.
    发明授权
    Optical pickup for cutting off optical noise and optical recording and/or reproducing apparatus using the same 有权
    用于切断光学噪声的光学拾取器及使用其的光学记录和/或再现装置

    公开(公告)号：US07355953B2

    公开(公告)日：2008-04-08

    申请号：US10686785

    申请日：2003-10-17

    Applicant: Ui-yol Kim ,  Byung-ryul Ryoo ,  Pyong-yong Seong ,  Myoung-cheol Cho ,  Kyung-ui Park

    Inventor： Ui-yol Kim ,  Byung-ryul Ryoo ,  Pyong-yong Seong ,  Myoung-cheol Cho ,  Kyung-ui Park

    IPC: G11B7/125

    CPC classification number: G11B7/1395 ,  G11B7/1263 ,  G11B7/1353 ,  G11B2007/13727

    Abstract: An optical pickup includes a light source which emits light, a grating which separates a portion of the light emitted from the light source, a reflecting member which reflects another portion of the light emitted from the light source, a monitoring photodetector disposed on a traveling path of the light reflected from the reflecting member and which measures the reflected light, an optical path changer which changes an optical path of the light separated by the grating, an objective lens light which condenses the light the optical path of which is changed onto a disc, and a signal detecting photodetector which receives the light reflected from the disc.

    Abstract translation: 光拾取器包括发光的光源，分离从光源发出的光的一部分的光栅，反射从光源发射的光的另一部分的反射部件，设置在行进路径上的监视光电检测器 从反射构件反射并测量反射光的光，改变由光栅分离的光的光路的光路改变器，将其光路改变为光盘的光会聚的物镜光 以及接收从盘反射的光的信号检测光电检测器。

    Laser power monitor device, optical pickup including the same, and optical recording and/or reproducing apparatus including the same
    37.
    发明申请
    Laser power monitor device, optical pickup including the same, and optical recording and/or reproducing apparatus including the same 有权
    激光功率监视装置，包括该激光功率监视装置的光学拾取器以及包括该激光功率监视装置的光学记录和/或再现装置

    公开(公告)号：US20050002303A1

    公开(公告)日：2005-01-06

    申请号：US10751647

    申请日：2004-01-06

    Applicant: Sung-du Kwon ,  Jun-hyuk Lee ,  Pyong-yong Seong ,  Hyun-cheal Bang ,  Jong-koog Lee ,  Yong-jun Cho

    Inventor： Sung-du Kwon ,  Jun-hyuk Lee ,  Pyong-yong Seong ,  Hyun-cheal Bang ,  Jong-koog Lee ,  Yong-jun Cho

    IPC: G11B7/00 ,  G11B7/125 ,  H01S5/06

    CPC classification number: G11B7/1263

    Abstract: In order to improve the frequency characteristic of a laser power monitor device and the precision of laser power control when low-speed recording is performed, there is provided a laser power monitor device for an optical recording and/or reproducing apparatus, the laser power monitor device including a photo diode unit to receive part of a light emitted from a laser diode and output a current proportional to optical power, and a monitor circuit to receive the current output from the photo diode unit, convert the received current into a voltage, and outputs the voltage to an automatic laser power control circuit, and the photo diode unit includes a plurality of photo diodes connected to the monitor circuit to supply current to the monitor circuit. The laser power monitor device further includes a switch unit, wherein the switch unit is located between the photo diode unit and the monitor circuit to receive a signal on a current recording speed and switch so that the number of photo diodes supplying current to the monitor circuit is reduced as the recording speed is increased.

    Abstract translation: 为了提高激光功率监视装置的频率特性和进行低速记录时的激光功率控制的精度，提供了一种用于光学记录和/或再现装置的激光功率监视装置，激光功率监视器 该装置包括：光电二极管单元，用于接收从激光二极管发射的一部分光并输出与​​光功率成比例的电流;以及监测电路，用于接收来自光电二极管单元的电流输出，将接收的电流转换成电压; 将电压输出到自动激光功率控制电路，并且光电二极管单元包括连接到监视器电路的多个光电二极管，以向监控电路提供电流。 所述激光功率监视装置还包括开关单元，其中所述开关单元位于所述光电二极管单元和所述监视器电路之间，以接收当前记录速度的信号并进行切换，使得向所述监视器电路提供电流的光电二极管的数量 随着记录速度的增加而减小。

    Method of recording data on optical disc at high multiple speed and apparatus thereof
    38.
    发明授权
    Method of recording data on optical disc at high multiple speed and apparatus thereof 有权
    在高速多光盘上记录数据的方法及其装置

    公开(公告)号：US06728177B2

    公开(公告)日：2004-04-27

    申请号：US09946814

    申请日：2001-09-06

    Applicant: Pyong-yong Seong ,  Kyu-hwan Jung

    Inventor： Pyong-yong Seong ,  Kyu-hwan Jung

    IPC: G11B700

    CPC classification number: G11B7/0045 ,  G11B7/0037

    Abstract: An optical disc recording method to record data on a disc using multiple speeds by dividing a disc region into an inner circumference region and an outer circumference region depending on radii of the disc, setting a multiple recording speed for each region; setting optical recording power in a lead-in region of the inner circumference region and a lead-out region of the outer circumference region, by performing optimum power controls therein; determining in which one of the divided regions data is to be recorded using an address detected from the disc, rotating the disc at the multiple recording speed set for the one region in which the data is to be recorded, and recording the data in the one region using the set optical recording power for the one region.

    Abstract translation: 一种光盘记录方法，用于根据盘的半径将光盘区域划分成内周区域和外周区域，通过多个速度记录数据到盘上，为每个区域设定多个记录速度; 通过在其中执行最佳功率控制，在内周区域的引入区域和外周区域的引出区域中设置光学记录功率; 使用从盘检测到的地址来确定分割区域数据中的哪一个数据，以对要记录数据的一个区域设置的多个记录速度旋转盘，并将数据记录在一个中 区域，使用该区域的设定光学记录功率。

    Optical pickup device capable of detecting stable error signal
    39.
    发明授权
    Optical pickup device capable of detecting stable error signal 有权
    能够检测稳定误差信号的光学拾取装置

    公开(公告)号：US06636464B1

    公开(公告)日：2003-10-21

    申请号：US09588224

    申请日：2000-06-06

    Applicant: Yong-jae Lee ,  Pyong-yong Seong ,  Jang-hoon Yoo ,  Byung-ryul Ryoo ,  Yong-ki Son

    Inventor： Yong-jae Lee ,  Pyong-yong Seong ,  Jang-hoon Yoo ,  Byung-ryul Ryoo ,  Yong-ki Son

    IPC: G11B700

    CPC classification number: G11B7/1353 ,  G11B7/0901 ,  G11B7/0912 ,  G11B7/094 ,  G11B7/131

    Abstract: An optical pickup device employing a signal detection unit including a hologram element having a plurality of pattern regions for diffracting and/or focusing light reflected and incident from a recording medium, a photodetector having a plurality of light receiving regions for receiving and photoelectrically converting the light diffracted by the hologram element and a signal operation unit for generating a focus error signal and/or a track error signal from a signal detected from the photodetector. The optical pickup device can implement a stable servo operation even at deviations of the photodetector, a change in the wavelength of light emitted from the light source, and/or shift of focusing means such as an objective lens, and can record and/or reproduce high-density information on/from the recording medium.

    Abstract translation: 一种采用信号检测单元的光学拾取装置，包括具有多个图案区域的全息元件，用于衍射和/或聚焦从记录介质反射和入射的光;具有多个光接收区域的光电检测器，用于接收和光电转换光 由全息元件衍射，以及用于从从光电检测器检测的信号产生聚焦误差信号和/或轨道误差信号的信号操作单元。 光拾取装置即使在光电检测器的偏差，光源发射的光的波长变化和/或诸如物镜的聚焦装置的移动中也能够实现稳定的伺服操作，并且可以记录和/或再现 来自记录介质的高密度信息。

    Light emitting module and compatible optical pickup device adopting the same
    40.
    发明授权
    Light emitting module and compatible optical pickup device adopting the same 有权
    采用相同的发光模块和兼容的光学拾取装置

    公开(公告)号：US06587481B1

    公开(公告)日：2003-07-01

    申请号：US09552621

    申请日：2000-04-19

    Applicant: Pyong-yong Seong ,  Yong-jae Lee ,  Byung-ryul Ryoo ,  Yong-ki Son

    Inventor： Pyong-yong Seong ,  Yong-jae Lee ,  Byung-ryul Ryoo ,  Yong-ki Son

    IPC: H01S310

    CPC classification number: G11B7/1353 ,  G11B7/0903 ,  G11B7/0909 ,  G11B7/123 ,  G11B7/127 ,  G11B7/131 ,  G11B7/1356 ,  G11B7/1362 ,  G11B7/22 ,  G11B2007/0006

    Abstract: A light emitting module packaging two light sources emitting two light beams of different wavelengths, and a compatible optical pickup device adopting the module are provided. The light emitting module includes a base, first and second light sources installed on the base, for emitting laser beams in different wavelength regions, a beam splitter and a monitoring photodetector for monitoring the optical outputs of the first and second light sources by receiving the beams emitted from the first and second light sources and split from the beam splitter in one direction. Also, another light emitting module includes a substrate, first and second light sources installed on the substrate for emitting laser beams of first and second wavelengths from both lateral sides thereof, a reflection member for reflecting the laser beam emitted from one lateral side of each of the first and second light sources to proceed in one direction, and first and second monitoring photodetectors for monitoring optical outputs of the first and second light sources. The compatible optical pickup device includes the light emitting module having the above structure, an objective lens for focusing first and second laser beams on an optical recording medium, an optical path converting device, a grating arranged on an optical path between the light emitting module and the optical path converting device for diffracting and transmitting an incident light, a photodetector.

    Abstract translation: 本发明提供一种封装发射两个不同波长光束的两个光源的发光模块，以及采用该模块的兼容的光拾取装置。 发光模块包括安装在基座上的用于发射不同波长区域的激光束的基座，第一和第二光源，分束器和监视光电检测器，用于通过接收光束来监测第一和第二光源的光输出 从第一和第二光源发射并沿一个方向从分束器分离。 此外，另一发光模块包括基板，安装在基板上的第一和第二光源，用于从其两个侧面发射第一和第二波长的激光束;反射构件，用于反射从每个的一个侧面发射的激光束 第一和第二光源沿一个方向进行，以及第一和第二监视光电检测器，用于监视第一和第二光源的光输出。 兼容的光学拾取装置包括具有上述结构的发光模块，用于将第一和第二激光束聚焦在光学记录介质上的物镜，光路转换装置，布置在发光模块与发光模块之间的光路上的光栅 用于衍射和透射入射光的光路转换装置，光电检测器。

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