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    Compatible optical pickup device adopting single light source
    2.
    发明公开
    Compatible optical pickup device adopting single light source 有权
    具有单个光源兼容光信号拾取

    公开(公告)号：EP1170737A3

    公开(公告)日：2003-04-16

    申请号：EP01303923.5

    申请日：2001-04-30

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Yoo, Jang-hoon ,  Lee, Chul-woo ,  Jung, Seung-tae

    IPC分类号： G11B7/125

    CPC分类号： G11B7/1353 ,  G11B7/1365 ,  G11B7/1374 ,  G11B7/139 ,  G11B2007/0006

    摘要： A compatible optical pickup device includes a single light source (50) for emitting light having a wavelength longer than 650 nm, an objective lens (70) formed of a near axis area, a ring type annular lens area, and a far axis area with respect to an apex for focusing light emitted from the light source (50) to form light spots suitable for a first optical disk (40A) which is relatively thin and a second optical disk (40B) which is relatively thick, so as to form a light spot having an FWHM (full width at half maximum) of less than or equal to 0.72 µ m with respect to the first optical disk (40A) and a light spot having an FWHM of greater than or equal to 0.8 µ m with respect to the second optical disk (40B), an optical path changing means arranged on the optical path between the light source and the objective lens for changing a proceeding path of incident light, and a photodetector for receiving light reflected by the optical disk and passing through the objective lens and the optical path changing means and detecting an information signal and/or error signal.

    Projection display system
    3.
    发明公开
    Projection display system 审中-公开
    Projektionsdarstellungssystem

    公开(公告)号：EP1280344A2

    公开(公告)日：2003-01-29

    申请号：EP01310887.3

    申请日：2001-12-24

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Jung, Seung-tae ,  Koh, Byeong-cheon ,  Yeon, Cheol-sung ,  Cho, Kun-ho ,  Kim, Dae-sik

    IPC分类号： H04N5/74

    CPC分类号： H04N9/3141

    摘要： A projection display system having a screen (32) that displays an image formed by light projected from a projector (31), and that processes user control signals input by a user to transmit the user control signals to the projector (31). The projector (31) projects light to the screen to form an image thereon according to the user control signals output from the screen (32).

    摘要翻译： 一种投影显示系统，具有显示由投影仪投影的光形成的图像的屏幕（32），并且处理由用户输入的用户控制信号以将用户控制信号发送到投影仪（31）。 根据从屏幕（32）输出的用户控制信号，投影仪（31）将光投射到屏幕以在其上形成图像。

    Optical pickup device
    5.
    发明公开
    Optical pickup device 有权

    公开(公告)号：EP1076333A3

    公开(公告)日：2003-03-26

    申请号：EP00306730.3

    申请日：2000-08-07

    申请人： Samsung Electronics Co., Ltd.

    发明人： Yoo, Jang-hoon ,  Cho, Kun-ho ,  Lee, Yong-hoon ,  Kim, Seok-jung ,  Jung, Seung-tae ,  Lee, Chul-woo ,  Seo, Joong-eon

    IPC分类号： G11B7/095 ,  G11B7/135 ,  G11B7/13 ,  G11B7/125

    CPC分类号： G11B7/1353 ,  G11B7/0956

    摘要： An optical pickup device includes a light source (35) for generating and emitting light, optical path changing means (50) for changing a proceeding path of incident light, an objective lens (70) for focusing incident light on a recording medium (30) which has a recording surface (31) where information is recorded and a protection layer (33), at the side where light is input, for protecting the recording surface (31), a main photodetector (81) for detecting the information signal and/or an error signal by receiving the light reflected by the recording surface (31) of the recording medium (30) and passing through the objective lens (70) and the optical path changing means (50), and an inclination detecting unit for detecting inclination of the recording medium (30) by receiving the light emitted from the light source (35) and reflected by the surface of the protection layer (33) or the recording surface (31) of the recording medium (30). Thus, since the inclination of the recording medium (30) is detected using the light emitted from the light source (35) and reflected by the surface of the protection layer (33) or the recording surface (30), of the recording medium, without an additional tilt sensor, the number of parts is reduced and the structure of the device is simplified.

    Compatible optical pickup device adopting single light source
    6.
    发明公开
    Compatible optical pickup device adopting single light source 有权
    Kompatibles OptischesAbtastgerätmit einer einzelnen Lichtquelle

    公开(公告)号：EP1170737A2

    公开(公告)日：2002-01-09

    申请号：EP01303923.5

    申请日：2001-04-30

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Yoo, Jang-hoon ,  Lee, Chul-woo ,  Jung, Seung-tae

    IPC分类号： G11B7/125

    CPC分类号： G11B7/1353 ,  G11B7/1365 ,  G11B7/1374 ,  G11B7/139 ,  G11B2007/0006

    摘要： A compatible optical pickup device includes a single light source (50) for emitting light having a wavelength longer than 650 nm, an objective lens (70) formed of a near axis area, a ring type annular lens area, and a far axis area with respect to an apex for focusing light emitted from the light source (50) to form light spots suitable for a first optical disk (40A) which is relatively thin and a second optical disk (40B) which is relatively thick, so as to form a light spot having an FWHM (full width at half maximum) of less than or equal to 0.72 µ m with respect to the first optical disk (40A) and a light spot having an FWHM of greater than or equal to 0.8 µ m with respect to the second optical disk (40B), an optical path changing means arranged on the optical path between the light source and the objective lens for changing a proceeding path of incident light, and a photodetector for receiving light reflected by the optical disk and passing through the objective lens and the optical path changing means and detecting an information signal and/or error signal.

    摘要翻译： 兼容的光学拾取装置包括用于发射波长长于650nm的光的单个光源（50），由近轴区域形成的物镜（70），环形环形透镜区域和远轴区域 相对于用于聚焦从光源（50）发射的光的顶点，以形成适合于相对较薄的第一光盘（40A）的光点和相对较厚的第二光盘（40B），从而形成 相对于第一光盘（40A）具有FWHM（半峰全宽度）小于或等于0.72μm的光点和FWHM大于等于0.8μm的光点相对于 第二光盘（40B），设置在光源和物镜之间的光路上的光路改变装置，用于改变入射光的行进路径;以及光电检测器，用于接收由光盘反射的光并通过 物镜和选择 校正路径改变装置和检测信息信号和/或误差信号。

    Optical pickup device
    7.
    发明公开
    Optical pickup device 有权
    光学拾取装置

    公开(公告)号：EP1076333A2

    公开(公告)日：2001-02-14

    申请号：EP00306730.3

    申请日：2000-08-07

    申请人： Samsung Electronics Co., Ltd.

    发明人： Yoo, Jang-hoon ,  Cho, Kun-ho ,  Lee, Yong-hoon ,  Kim, Seok-jung ,  Jung, Seung-tae ,  Lee, Chul-woo ,  Seo, Joong-eon

    IPC分类号： G11B7/095

    CPC分类号： G11B7/1353 ,  G11B7/0956

    摘要： An optical pickup device includes a light source (35) for generating and emitting light, optical path changing means (50) for changing a proceeding path of incident light, an objective lens (70) for focusing incident light on a recording medium (30) which has a recording surface (31) where information is recorded and a protection layer (33), at the side where light is input, for protecting the recording surface (31), a main photodetector (81) for detecting the information signal and/or an error signal by receiving the light reflected by the recording surface (31) of the recording medium (30) and passing through the objective lens (70) and the optical path changing means (50), and an inclination detecting unit for detecting inclination of the recording medium (30) by receiving the light emitted from the light source (35) and reflected by the surface of the protection layer (33) or the recording surface (31) of the recording medium (30). Thus, since the inclination of the recording medium (30) is detected using the light emitted from the light source (35) and reflected by the surface of the protection layer (33) or the recording surface (30), of the recording medium, without an additional tilt sensor, the number of parts is reduced and the structure of the device is simplified.

    摘要翻译： 一种光学拾取装置包括用于产生和发射光的光源（35），用于改变入射光的前进路径的光路改变装置（50），用于将入射光聚焦到记录介质（30）上的物镜（70） 其具有记录信息的记录表面（31）和保护记录表面（31）的光输入侧的保护层（33）;主光检测器（81），用于检测信息信号和/ 或通过接收由记录介质（30）的记录表面（31）反射并穿过物镜（70）和光路改变装置（50）的光的误差信号，以及倾斜检测单元， 通过接收从光源（35）发射的并由保护层（33）的表面或记录介质（30）的记录表面（31）反射的光来记录介质（30）的表面。 因此，由于利用从光源（35）发射并由保护层（33）或记录表面（30）的表面反射的光来检测记录介质（30）的倾斜， 没有额外的倾斜传感器，部件数量减少，设备结构简化。

    Reflection type compound prism and optical pickup apparatus employing the same
    10.
    发明公开
    Reflection type compound prism and optical pickup apparatus employing the same 有权
    Reflektierendes zusammengesetzes Prisma und optischesAufnahmegerätmit diesem Prisma

    公开(公告)号：EP1255134A1

    公开(公告)日：2002-11-06

    申请号：EP02250219.9

    申请日：2002-01-14

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Kim, Dae-sik ,  Jung, Seung-tae ,  Yeon, Cheol-sung ,  Cho, Kun-ho

    IPC分类号： G02B5/04 ,  G11B7/135

    CPC分类号： G11B7/1356 ,  G02B5/04 ,  G11B7/12 ,  G11B7/124

    摘要： A reflection type compound prism (10) and an optical pickup apparatus employing the same are provided. As a light beam emitted from a light source (51) is through the reflection type compound prism (10), as the size of the light beam in the direction of height is reduced and later restored when the light beam is reflected by a surface (25) forming an angle less than 45° with respect to the horizontal plane, so that the height of an optical system can be reduced without reduction of the size of the light beam. Thus, when the reflection type complex prism (10) is adopted, a light beam having a relatively large diameter is incident on the reflection type compound prism (10) from the light source (51) passes lower than the diameter under the actuator (65) and is reflected by the fourth reflection surface (49) of the second prism (40) so that the original diameter of the light beam is restored. Therefore, a small and thin optical pickup apparatus having a desired NA number is obtained.

    摘要翻译： 提供了一种反射型复合棱镜（10）和采用该棱镜的光拾取装置。 当从光源（51）发射的光束通过反射型复合棱镜（10）时，随着光束在高度方向上的尺寸减小并随后在光束被表面反射时恢复 25）相对于水平面形成小于45°的角度，从而可以在不减小光束尺寸的情况下降低光学系统的高度。 因此，当采用反射型复合棱镜（10）时，具有相对较大直径的光束从光源（51）入射到反射型复合棱镜（10）上，通过低于致动器（65）下方的直径 ）并且被第二棱镜（40）的第四反射面（49）反射，使得光束的原始直径恢复。 因此，获得具有所需NA数的小而薄的光学拾取装置。