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1. 发明申请

US20110080817A1 COMPATIBLE OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE SAME 审中-公开
标题翻译：兼容光学拾取和光学信息存储介质系统
公开(公告)号：US20110080817A1
公开(公告)日：2011-04-07
申请号：US12964674
申请日：2010-12-09
申请人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park , Woo-seok Choi
发明人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park , Woo-seok Choi
IPC分类号： G11B7/12 , G11B7/00
CPC分类号： G11B7/13925 , G11B7/1275 , G11B7/1378 , G11B2007/0006
摘要： An optical pickup compatible with different types of optically recorded media and an optical recording and/or reproducing system employing the compatible optical pickup, the compatible optical pickup including: a short wavelength light source emitting a short wavelength light; a low-density optical system emitting a long wavelength light; an objective lens focusing lights incident from the long wavelength light source and the low-density optical system onto an information storage medium; a single photodetector (PD) receiving the short and long wavelength lights reflected from the information storage medium; a detection lens focusing the short and long wavelength lights reflected from the information storage medium as a light spot onto the single PD; a first collimating lens positioned on an optical path of a light reflected, wherein the optical path is positioned between the objective lens and the single PD; and a driving unit adjusting a position of the first collimating lens.
摘要翻译：一种与不同类型的光学记录介质兼容的光学拾取器以及采用兼容光学拾取器的光学记录和/或再现系统，所述兼容光学拾取器包括：发射短波长光的短波长光源; 发射长波长光的低密度光学系统; 将从长波长光源和低密度光学系统入射的光聚焦到信息存储介质上的物镜; 接收从信息存储介质反射的短波长和长波长光的单个光电检测器（PD）; 检测透镜将从信息存储介质反射的短波长和长波长的光聚焦成单个PD; 位于反射光的光路上的第一准直透镜，其中所述光路位于所述物镜和所述单个PD之间; 以及调节第一准直透镜的位置的驱动单元。

2. 发明申请

US20070247995A1 COMPATIBLE OPTICAL PICKUP HAVING HIGH EFFICIENCY AND OPTICAL RECORDING AND/OR REPRODUCING APPARATUS INCLUDING THE SAME 审中-公开
标题翻译：具有高效率和光学记录和/或重现装置的兼容光学拾取器
公开(公告)号：US20070247995A1
公开(公告)日：2007-10-25
申请号：US11618157
申请日：2006-12-29
申请人： Kyong-tae Park , Tae-kyung Kim , Woo-seok Choi
发明人： Kyong-tae Park , Tae-kyung Kim , Woo-seok Choi
IPC分类号： G11B7/135
CPC分类号： G11B7/1356 , G11B7/1353 , G11B7/1365 , G11B19/12 , G11B2007/0006
摘要： An optical pickup that is compatibly utilized having a high optical efficiency and an optical recording and/or reproducing apparatus including the optical pickup includes a light source, a polarization beam splitter to transmit or to reflect an incident light beam according to a polarization direction of the incident light beam, a quarter wave plate to change the polarization direction of the light beam that passes through the polarization beam splitter, a holographic optical element formed of an anisotropic material and including a diffraction pattern to transmit or to diverge the light beam that passes through the quarter wave plate according to the polarization direction of the beam, and an objective lens to focus a first polarized beam component that is transmitted directly through the holographic optical element onto the first information storage medium with a first numerical aperture (NA), and to focus a second polarized beam that is diverged by the holographic optical element onto the second information storage medium with a second NA.
摘要翻译：具有高光学效率的兼容利用的光学拾取器和包括光学拾取器的光学记录和/或再现装置包括光源，偏振分束器，用于根据所述光学拾取器的偏振方向透射或反射入射光束入射光束，四分之一波片改变通过偏振分束器的光束的偏振方向;全息光学元件，由各向异性材料形成并且包括衍射图案以透过或发散通过的光束根据光束的偏振方向的四分之一波片，以及将通过全息光学元件直接透射的第一偏振光束分量聚焦到具有第一数值孔径（NA）的第一信息存储介质上的物镜，以及聚焦由全息光学元件发散的第二偏振光束到具有第二NA的第二信息存储介质。

3. 发明申请

US20070025205A1 Optical pickup and optical recording and/or reproducing apparatus employing the same 审中-公开
标题翻译：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
公开(公告)号：US20070025205A1
公开(公告)日：2007-02-01
申请号：US11492125
申请日：2006-07-25
申请人： Tae-kyung Kim , Jin-won Lee , Kyong-tae Park , Woo-seok Choi
发明人： Tae-kyung Kim , Jin-won Lee , Kyong-tae Park , Woo-seok Choi
IPC分类号： G11B7/00
CPC分类号： G11B7/0909 , G11B7/00718 , G11B7/1353 , G11B7/1381
摘要： An optical pickup, including a light source, an objective lens to focus light emitted from the light source to form a light spot on an optical information storage medium, an optical path changer to change an optical path of the light, a photodetector to receive light reflected/diffracted by the optical information storage medium and to detect an information signal and/or an error signal, and an optical element preventing part disposed in a central region of the light, to prevent a part of the central region of the light, which is reflected/diffracted by the optical information storage medium and which propagates toward the photodetector, from being received by the photodetector.
摘要翻译：一种光学拾取器，包括光源，用于聚焦从光源发射的光以在光学信息存储介质上形成光斑的物镜，改变光的光路的光路改变器，用于接收光的光检测器由光学信息存储介质反射/衍射并检测信息信号和/或误差信号;以及光学元件防止部分，设置在光的中心区域，以防止光的中心区域的一部分，其中由光信息存储介质反射/衍射并向光检测器传播，不被光电检测器接收。

4. 发明授权

US08089849B2 Hologram optical device, and compatible optical pickup having the hologram optical device and optical information storage medium system employing the compatible optical pickup 有权
标题翻译：全息光学装置和具有全息光学装置的兼容光学拾取器和采用兼容光学拾取器的光学信息存储介质系统
公开(公告)号：US08089849B2
公开(公告)日：2012-01-03
申请号：US12018308
申请日：2008-01-23
申请人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park
发明人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B2007/0006
摘要： A hologram optical device, and a compatible optical pickup having the hologram optical device and an information storage medium system employing the hologram optical device. The hologram optical device includes a hologram having a pattern having a period in a 4-step stairway shape. At least one of first, second, third, and fourth steps of the 4-step stairway shape is formed in a different width from at least one other step.
摘要翻译：具有全息光学装置的全息光学装置和兼容的光学拾取器以及采用全息光学装置的信息存储介质系统。全息光学装置包括具有4阶段阶梯状周期的图案的全息图。四级楼梯形状的第一，第二，第三和第四步骤中的至少一个形成为与至少另一个台阶不同的宽度。

5. 发明申请

US20080285419A1 HOLOGRAM OPTICAL DEVICE, AND COMPATIBLE OPTICAL PICKUP HAVING THE HOLOGRAM OPTICAL DEVICE AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE COMPATIBLE OPTICAL PICKUP 有权
标题翻译： HOLOGRAM光学器件和兼容光学器件的光学拾取器和使用兼容光学拾取器的光信息存储介质系统
公开(公告)号：US20080285419A1
公开(公告)日：2008-11-20
申请号：US12018308
申请日：2008-01-23
申请人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park
发明人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B2007/0006
摘要： A hologram optical device, and a compatible optical pickup having the hologram optical device and an information storage medium system employing the hologram optical device. The hologram optical device includes a hologram having a pattern having a period in a 4-step stairway shape. At least one of first, second, third, and fourth steps of the 4-step stairway shape is formed in a different width from at least one other step.
摘要翻译：具有全息光学装置的全息光学装置和兼容的光学拾取器以及采用全息光学装置的信息存储介质系统。全息光学装置包括具有4阶段阶梯状周期的图案的全息图。四级楼梯形状的第一，第二，第三和第四步骤中的至少一个形成为与至少另一个台阶不同的宽度。

6. 发明申请

US20080031118A1 COMBINED HOLOGRAM OPTICAL ELEMENT, COMPATIBLE OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE SAME 审中-公开
标题翻译：组合式光学元件，兼容的光学拾取和光学信息存储介质系统
公开(公告)号：US20080031118A1
公开(公告)日：2008-02-07
申请号：US11830923
申请日：2007-07-31
申请人： Kyong-tae Park , Tae-kyung Kim , Jae-cheol Bae
发明人： Kyong-tae Park , Tae-kyung Kim , Jae-cheol Bae
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/139 , G11B2007/0006
摘要： A hologram optical element, usable in a compatible optical pickup including the hologram optical element and an optical information storage medium system including the compatible optical pickup, is used in combination with an objective lens for a compatible optical pickup used for first and second low-density information storage media using lights having a second wavelength and a third wavelength and at least one kind of high-density information storage medium using light having a first wavelength. The hologram optical element includes a combined hologram on one side to allow lights having the second wavelength and the third wavelength to travel at different angles for focusing the light onto the first and second low-density information storage media, respectively.
摘要翻译：全息光学元件可用于包括全息光学元件的兼容光学拾取器和包括兼容光学拾取器的光学信息存储介质系统，与用于第一和第二低密度的兼容光学拾取器的物镜组合使用使用具有第二波长和第三波长的光的信息存储介质以及使用具有第一波长的光的至少一种高密度信息存储介质。全息光学元件在一侧包括组合的全息图，以允许具有第二波长和第三波长的光分别以不同的角度行进，以将光聚焦到第一和第二低密度信息存储介质上。

7. 发明授权

US08009543B2 Hologram optical device, compatible optical pickup including the hologram optical device, and optical information storage medium system including the compatible optical pickup 有权
标题翻译：全息光学装置，包括全息光学装置的兼容光学拾取器和包括兼容光学拾取器的光学信息存储介质系统
公开(公告)号：US08009543B2
公开(公告)日：2011-08-30
申请号：US11969355
申请日：2008-01-04
申请人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park
发明人： Jae-cheol Bae , Tae-kyung Kim , Kyong-tae Park
IPC分类号： G11B7/135
CPC分类号： G02B5/32 , G11B7/1353 , G11B7/139 , G11B2007/0006
摘要： A hologram optical device, a compatible optical pickup including the hologram optical device, and an optical information storage medium system including the compatible optical pickup are provided. The hologram optical device includes: a first hologram area having a hologram that is asymmetric with respect to an optical axis to diffract an incident light in a 0th order diffractive light and a 1st order diffractive light, wherein light spots are formed by focusing the 0th order and 1st order diffractive lights using a lens. Accordingly, a light spot of the 1st order diffractive light is formed at a position separated from an optical axis of the lens when a light spot formed by the 0th order diffractive light is formed on the optical axis of the lens.
摘要翻译：提供全息光学装置，包括全息光学装置的兼容光学拾取器和包括兼容光学拾取器的光学信息存储介质系统。全息光学装置包括：第一全息图区域，具有相对于光轴不对称的全息图，以衍射在0级衍射光和1级衍射光中的入射光，其中通过聚焦第0级形成光点和使用透镜的1级衍射光。因此，当在透镜的光轴上形成由0级衍射光形成的光点时，在与透镜的光轴分离的位置处形成1级衍射光的光点。

8. 发明申请

US20070047422A1 Compatible optical pickup and an optical recording and/or reproducing apparatus employing a compatible optical pickup 审中-公开
标题翻译：兼容的光学拾取器和采用兼容光学拾取器的光学记录和/或再现装置
公开(公告)号：US20070047422A1
公开(公告)日：2007-03-01
申请号：US11510562
申请日：2006-08-28
申请人： Tae-kyung Kim , Jin-won Lee , Kyong-tae Park
发明人： Tae-kyung Kim , Jin-won Lee , Kyong-tae Park
IPC分类号： G11B7/135
CPC分类号： G11B7/1353 , G11B7/1369 , G11B7/13925 , G11B2007/0006
摘要： A compatible optical pickup including an active compensation device to actively switch an angle of incidence of the light on the objective lens when either a third information storage medium that has a different format than that of the first and second information storage media, or the second information storage medium is adopted for use in a data recording/reproducing operation. The active compensation device includes a plurality of transparent substrates, and at least one material layer, interposed between the plurality of substrates, having a refractive index which is actively switched according to an applied voltage. A holographic pattern, formed adjacent to the material layer on a surface of at least one of the transparent substrates, changes a divergence angle of the light by diffracting or transmitting without diffraction the incident light according to change of the refractive index of the material layer. The voltage applied to the material layer is adjusted according to the applied information storage medium that is adopted for the use in the data recording/reproducing operation.
摘要翻译：一种兼容的光学拾取器，包括有源补偿装置，用于当具有与第一和第二信息存储介质的格式不同的格式的第三信息存储介质或第二信息时主动切换光在物镜上的入射角采用存储介质用于数据记录/再现操作。有源补偿装置包括多个透明基板，以及介于多个基板之间的至少一个材料层，具有根据施加的电压有效切换的折射率。根据材料层的折射率的变化，在至少一个透明基板的表面上与材料层相邻形成的全息图案通过衍射或透射衍射或透射而不衍射入射光而改变光的发散角。根据在数据记录/再现操作中使用的应用信息存储介质来调整施加到材料层的电压。

9. 发明申请

US20080247015A1 HOLOGRAM OPTICAL DEVICE, COMPATIBLE OPTICAL PICKUP INCLUDING THE HOLOGRAM OPTICAL DEVICE, AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM INCLUDING THE COMPATIBLE OPTICAL PICKUP 有权
标题翻译： HOLOGRAM光学器件，包括光学光学器件的兼容光学拾取器，以及包括兼容光学拾取器的光信息存储介质系统
公开(公告)号：US20080247015A1
公开(公告)日：2008-10-09
申请号：US11969355
申请日：2008-01-04
申请人： JAE-CHEOL BAE , Tae-kyung Kim , Kyong-tae Park
发明人： JAE-CHEOL BAE , Tae-kyung Kim , Kyong-tae Park
IPC分类号： G02B5/32
CPC分类号： G02B5/32 , G11B7/1353 , G11B7/139 , G11B2007/0006
摘要： A hologram optical device, a compatible optical pickup including the hologram optical device, and an optical information storage medium system including the compatible optical pickup are provided. The hologram optical device includes: a first hologram area having a hologram that is asymmetric with respect to an optical axis to diffract an incident light in a 0th order diffractive light and a 1st order diffractive light, wherein light spots are formed by focusing the 0th order and 1st order diffractive lights using a lens. Accordingly, a light spot of the 1st order diffractive light is formed at a position separated from an optical axis of the lens when a light spot formed by the 0th order diffractive light is formed on the optical axis of the lens.
摘要翻译：提供全息光学装置，包括全息光学装置的兼容光学拾取器和包括兼容光学拾取器的光学信息存储介质系统。全息光学装置包括：具有相对于光轴不对称的全息图的第一全息图区域，以衍射第0级衍射光和第1级衍射光的入射光， SUP级衍射光，其中通过使用透镜聚焦第0级和第1级次级衍射光来形成光斑。因此，当通过第0级衍射形成的光斑时，在与透镜的光轴分离的位置处形成第1阶衍射光的光点在透镜的光轴上形成光。

10. 发明申请

US20080204836A1 HOLOGRAPHIC OPTICAL ELEMENT AND COMPATIBLE OPTICAL PICKUP DEVICE INCLUDING THE SAME 审中-公开
标题翻译：全息光学元件和兼容的光学拾取器件
公开(公告)号：US20080204836A1
公开(公告)日：2008-08-28
申请号：US11957577
申请日：2007-12-17
申请人： Jae-cheol BAE , Tae-kyung Kim , Kyong-tae Park
发明人： Jae-cheol BAE , Tae-kyung Kim , Kyong-tae Park
IPC分类号： G02B5/32
CPC分类号： G11B7/1374 , G11B7/1353 , G11B2007/0006
摘要： An optical pickup device is compatible with first and second information storage media having different thickness, and includes a light source to emit light; a holographic optical element having holograms in regions to diffract the light into a zero-order diffraction light beam and a first-order diffraction light beam, including a first region to transmit the zero-order diffraction light beam in a straight direction and to diverge the first-order diffraction light beam, a second region to transmit the zero-order diffraction light beam in the straight direction and to converge the first-order diffraction light beam, and a third region to transmit the zero-order diffraction light beam in the straight direction and to converge the first-order diffraction light beam, wherein the zero-order diffraction efficiency of the third region is different from the zero-order diffraction efficiency of the second region; and an objective lens to focus the light to the information storage media.
摘要翻译：光学拾取装置与具有不同厚度的第一和第二信息存储介质兼容，并且包括发光的光源; 全息光学元件，其具有将光衍射成零级衍射光束和一级衍射光束的区域中的全息图，该第一衍射光束包括沿直线方向透射零级衍射光束的第一区域，并使一级衍射光束，第二区域，用于在直线方向上透射零级衍射光束并使第一级衍射光束会聚，第三区域将零级衍射光束传播到直线方向并收敛一级衍射光束，其中第三区域的零级衍射效率不同于第二区域的零级衍射效率; 以及用于将光聚焦到信息存储介质的物镜。

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