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1. 发明公开

EP1892705A3 Optical pick-up 审中-公开
公开(公告)号：EP1892705A3
公开(公告)日：2009-05-13
申请号：EP07106789.6
申请日：2007-04-24
申请人： Samsung Electronics Co., Ltd.
发明人： Kim, Myoung Seok , Yoo, Jang Hoon
IPC分类号： G11B7/135 , G11B7/09
CPC分类号： G11B7/0903 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An optical pick-up including a first objective lens (21) having a numerical aperture (NA) suitable for a BD, a second objective lens (22) having an NA suitable for an HD-DVD, a light source to emit light beams suitable for the BD and the HD-DVD, a first beam splitter (30) to transmit and reflect the emitted beams emitted to be selectively guided to one of the first and second objective lenses, a grated diffraction element (50) to split the emitted beams into a zeroth order main beam and ±1 st order sub-beams that can be projected on a single track of the BD and the HD-DVD in series, a first optical detector (41) to receive a beam reflected by and returned from the BD, and a second optical detector (42) to receive a beam reflected by and returned from the HD-DVD, wherein the first and second optical detectors are positioned at similar distances from the first beam splitter.

2. 发明公开

EP1898404A3 Optical pickup apparatus 有权
标题翻译：光拾取装置
公开(公告)号：EP1898404A3
公开(公告)日：2009-06-03
申请号：EP07110336.0
申请日：2007-06-15
申请人： Samsung Electronics Co., Ltd.
发明人： Yoo, Jang Hoon , Ichiro, Morishita , Park, Soo Han , Nam, Do Hoan , Yoon, Ho Jin , Kim, Myoung Seok
IPC分类号： G11B7/135
CPC分类号： G11B7/1356 , G11B7/1275 , G11B7/1365 , G11B7/1374 , G11B19/125 , G11B2007/0006
摘要： An optical pickup apparatus includes a first objective lens having a low numerical aperture (NA) suitable for a low-density recording medium, a second objective lens having a high NA suitable for a high-density recording medium, a first light source to generate a short-wavelength optical signal to use the first and second objective lenses, a first photo-detector to receive an optical signal, which is generated from the first light source, is focused on a recording medium by the first and second objective lenses, and is then reflected from the recording medium, and a beam splitter to perform a division of the optical signal generated from the first light source, to direct some parts of the divided optical signal to the first objective lens, and to direct the other parts of the divided optical signal to the second objective lens.
摘要翻译：本发明提供一种光拾取装置，该光拾取装置具备：适用于低密度记录介质的低数值孔径（NA）的第一物镜，适用于高密度记录介质的高NA的第二物镜，使用第一和第二物镜的短波长光信号，接收从第一光源产生的光信号的第一光检测器通过第一和第二物镜聚焦在记录介质上，然后从记录介质反射，并且分束器对从第一光源产生的光信号进行分割，将分开的光信号的一些部分引导到第一物镜，并引导分开的其他部分光学信号传输到第二物镜。

3. 发明授权

EP1195753B1 Lens device and optical pickup apparatus using the lens device 失效
标题翻译：透镜和光学拾取装置与所述镜头装置
公开(公告)号：EP1195753B1
公开(公告)日：2009-04-08
申请号：EP01203714.9
申请日：1996-08-28
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Lee, Chul woo , Shin, Dong Ho , Rim, Kyung Hwa , Chung, Chong Sam , Cho, Kun Ho , Seong, Pyong Yong , Yoo, Jang Hoon , Lee, Yong Hoon
IPC分类号： G11B7/135
CPC分类号： G11B7/1381 , B29D11/00009 , G02B3/10 , G02B27/58 , G11B7/0045 , G11B7/005 , G11B7/0909 , G11B7/133 , G11B7/1353 , G11B7/1367 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006 , G11B2007/13727

4. 发明公开

EP1898404A2 Optical pickup apparatus 有权
标题翻译： Optische Lesekopfvorrichtung
公开(公告)号：EP1898404A2
公开(公告)日：2008-03-12
申请号：EP07110336.0
申请日：2007-06-15
申请人： Samsung Electronics Co., Ltd.
发明人： Yoo, Jang Hoon , Ichiro, Morishita , Park, Soo Han , Nam, Do Hoan , Yoon, Ho Jin , Kim, Myoung Seok
IPC分类号： G11B7/135
CPC分类号： G11B7/1356 , G11B7/1275 , G11B7/1365 , G11B7/1374 , G11B19/125 , G11B2007/0006
摘要： An optical pickup apparatus includes a first objective lens having a low numerical aperture (NA) suitable for a low-density recording medium, a second objective lens having a high NA suitable for a high-density recording medium, a first light source to generate a short-wavelength optical signal to use the first and second objective lenses, a first photo-detector to receive an optical signal, which is generated from the first light source, is focused on a recording medium by the first and second objective lenses, and is then reflected from the recording medium, and a beam splitter to perform a division of the optical signal generated from the first light source, to direct some parts of the divided optical signal to the first objective lens, and to direct the other parts of the divided optical signal to the second objective lens.
摘要翻译：一种光学拾取装置包括具有适用于低密度记录介质的低数值孔径（NA）的第一物镜，具有适用于高密度记录介质的高NA的第二物镜，产生第一物镜使用第一和第二物镜的短波长光信号，用于接收从第一光源产生的光信号的第一光检测器通过第一和第二物镜聚焦在记录介质上，并且是然后从记录介质反射，以及分束器，以执行从第一光源产生的光信号的分割，以将分割的光信号的一些部分引导到第一物镜，并将分割的其它部分引导光信号到第二物镜。

5. 发明公开

EP1881495A1 Object lens and optical pick-up device having the same 审中-公开
标题翻译： Objektlinse und optische Lesekopfvorrichtung damit
公开(公告)号：EP1881495A1
公开(公告)日：2008-01-23
申请号：EP07111214.8
申请日：2007-06-27
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Yoo, Jang Hoon , Kim, Myoung Seok , Park, Se June
IPC分类号： G11B7/135
CPC分类号： G11B7/1374 , G11B7/1275 , G11B7/1353 , G11B2007/0006
摘要： An object lens and an optical pick-up device having the same capable of recording and/or reproducing a plurality of types of optical discs, the optical pick-up device including: a light emitting part (12,14,16) that emits lights having different wavelengths corresponding to the plurality of types of optical discs, and a light collecting part (30,32,34) that focuses a light having a wavelength corresponding to a type of a loaded optical disc and emitted from the light emitting part to form spots on the loaded optical disc. Accordingly, various types of optical discs using different wavelengths can be compatibly driven in an optical recording/reproducing apparatus capable of recording and/or reproducing high/low density optical discs.
摘要翻译：具有能够记录和/或再现多种类型的光盘的物镜和光学拾取装置，所述光学拾取装置包括：发光部（12,14,16），其发光具有对应于多种类型的光盘的不同波长的光收集部分（30,32,34），其聚焦具有对应于装载的光盘类型的波长并从发光部分发射的光的光收集部分装载光盘上的斑点。因此，能够在能够记录和/或再现高/低密度光盘的光学记录/再现装置中兼容地驱动使用不同波长的各种类型的光盘。

6. 发明授权

EP1898404B1 Optical pickup apparatus 有权
公开(公告)号：EP1898404B1
公开(公告)日：2010-11-24
申请号：EP07110336.0
申请日：2007-06-15
申请人： Samsung Electronics Co., Ltd.
发明人： Yoo, Jang Hoon , Ichiro, Morishita , Park, Soo Han , Nam, Do Hoan , Yoon, Ho Jin , Kim, Myoung Seok
IPC分类号： G11B7/135
CPC分类号： G11B7/1356 , G11B7/1275 , G11B7/1365 , G11B7/1374 , G11B19/125 , G11B2007/0006

7. 发明公开

EP1892705A2 Optical pick-up 审中-公开
标题翻译：光学拾音器
公开(公告)号：EP1892705A2
公开(公告)日：2008-02-27
申请号：EP07106789.6
申请日：2007-04-24
申请人： Samsung Electronics Co., Ltd.
发明人： Kim, Myoung Seok , Yoo, Jang Hoon
IPC分类号： G11B7/135
CPC分类号： G11B7/0903 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An optical pick-up including a first objective lens (21) having a numerical aperture (NA) suitable for a BD, a second objective lens (22) having an NA suitable for an HD-DVD, a light source to emit light beams suitable for the BD and the HD-DVD, a first beam splitter (30) to transmit and reflect the emitted beams emitted to be selectively guided to one of the first and second objective lenses, a grated diffraction element (50) to split the emitted beams into a zeroth order main beam and ±1 st order sub-beams that can be projected on a single track of the BD and the HD-DVD in series, a first optical detector (41) to receive a beam reflected by and returned from the BD, and a second optical detector (42) to receive a beam reflected by and returned from the HD-DVD, wherein the first and second optical detectors are positioned at similar distances from the first beam splitter.
摘要翻译：一种光学拾取器，包括具有适用于BD的数值孔径（NA）的第一物镜（21），具有适用于HD-DVD的NA的第二物镜（22），发射适合于HD- 对于BD和HD-DVD，第一分束器（30）传输和反射发射的被发射的光束以被选择性地引导到第一和第二物镜中的一个， - 磨碎的衍射元件（50）转换成能够投影在BD和HD-DVD的单个轨道上的零级主光束和±1级子光束，第一光学检测器（41）接收由BD反射并从BD返回的光束以及接收由HD-DVD反射并从HD-DVD返回的光束的第二光学检测器（42），其中第一和第二光学检测器位于离第一分束器相似的距离处。

8. 发明公开

EP1195753A3 Lens device and optical pickup apparatus using the lens device 失效
标题翻译：透镜和光学拾取装置与所述镜头装置
公开(公告)号：EP1195753A3
公开(公告)日：2006-12-27
申请号：EP01203714.9
申请日：1996-08-28
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Lee, Chul woo , Shin, Dong Ho , Rim, Kyung Hwa , Chung, Chong Sam , Cho, Kun Ho , Seong, Pyong Yong , Yoo, Jang Hoon , Lee, Yong Hoon
IPC分类号： G11B7/135
CPC分类号： G11B7/1381 , B29D11/00009 , G02B3/10 , G02B27/58 , G11B7/0045 , G11B7/005 , G11B7/0909 , G11B7/133 , G11B7/1353 , G11B7/1367 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006 , G11B2007/13727
摘要： A lens device which can be used as an objective lens in an optical pickup apparatus includes an objective lens (200) provided along a light path facing a disc and having a predetermined effective diameter, and light controlling means (101) provided along the light path for controlling the light in an intermediate region between near and far axes of an incident light beam (400), thus providing a simplified and inexpensive device for using discs of differing thickness in a single disc drive, by reducing the spherical aberration effect.

9. 发明公开

EP1195753A2 Lens device and optical pickup apparatus using the lens device 失效
标题翻译： Linsenvorrichtung und optischesAbtastgerätmit der Linsenvorrichtung
公开(公告)号：EP1195753A2
公开(公告)日：2002-04-10
申请号：EP01203714.9
申请日：1996-08-28
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Lee, Chul woo , Shin, Dong Ho , Rim, Kyung Hwa , Chung, Chong Sam , Cho, Kun Ho , Seong, Pyong Yong , Yoo, Jang Hoon , Lee, Yong Hoon
IPC分类号： G11B7/135
CPC分类号： G11B7/1381 , B29D11/00009 , G02B3/10 , G02B27/58 , G11B7/0045 , G11B7/005 , G11B7/0909 , G11B7/133 , G11B7/1353 , G11B7/1367 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006 , G11B2007/13727
摘要： A lens device which can be used as an objective lens in an optical pickup apparatus includes an objective lens (200) provided along a light path facing a disc (300a or 300b) and having a predetermined effective diameter, and light controlling means (100) provided along the light path for controlling the light in an intermediate region between near and far axes of an incident light beam (400), thus providing a simplified and inexpensive device for using discs of differing thickness in a single disc drive, by reducing the spherical aberration effect.
摘要翻译：可以在光学拾取装置中用作物镜的透镜装置包括：沿着光盘面向盘设置并具有预定有效直径的物镜（200），以及沿着光路设置的光控制装置（101）用于控制入射光束（400）的近轴和远轴之间的中间区域中的光，从而通过减小球面像差效应来提供用于在单个盘驱动器中使用不同厚度的盘的简化且便宜的装置。

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