Optical pickup and optical recording and/or reproducing apparatus adopting the same
    1.
    发明授权
    Optical pickup and optical recording and/or reproducing apparatus adopting the same 有权
    光拾取装置和用于使用相同的光学记录和/或重放装置

    公开(公告)号:EP1615213B1

    公开(公告)日:2008-11-26

    申请号:EP05254172.9

    申请日:2005-07-02

    IPC分类号: G11B7/135

    摘要: An optical pickup and an optical recording and/or reproducing apparatus adopting the same are provided. The optical pickup includes an optical unit (10), first and second objective lenses (60, 70), and an optical path switching unit (50, 150, 250). The optical unit illuminates light onto an information storage medium (1) and receives light reflected from the information storage medium (1) to detect an information signal and/or an error signal. The first and the second objective lenses (60, 70) focus incident light to form a light spot on an information storage surface of the information storage medium (1). The optical path switching unit (50, 150, 250) selectively directs the light incident from the optical unit to one of the first and second objective lenses (60, 70). In the optical pickup, since the light quantity directed to a plurality of objective lenses may be maximized, optical efficiency is increased and thus high-speed operation may be attained.

    Imaging apparatus and image sensor thereof
    2.
    发明公开
    Imaging apparatus and image sensor thereof 审中-公开
    Abbildungsvorrichtung und Bildsensor damit

    公开(公告)号:EP2640068A2

    公开(公告)日:2013-09-18

    申请号:EP13156724.0

    申请日:2013-02-26

    发明人: Choi, Woo-seok

    IPC分类号: H04N5/369

    CPC分类号: H01L27/14625 H04N5/3696

    摘要: An imaging apparatus and an image sensor, where the imaging apparatus includes a lens unit and an image sensor including a plurality of image detection pixels for detecting an image formed by the lens unit and a plurality of focus detection pixels for detecting a focus of the image, wherein the plurality of focus detection pixels are arranged in a non-uniform pattern in which arrangements within shared intervals between the plurality of focus detection pixels are not equal to each other. Accordingly, the focus of an image formed on the image sensor can be accurately measured while a loss of image quality of the image formed on the image sensor is minimized.

    摘要翻译: 一种成像设备和图像传感器,其中成像设备包括透镜单元和包括用于检测由透镜单元形成的图像的多个图像检测像素的图像传感器和用于检测图像的焦点的多个焦点检测像素 其中,所述多个焦点检测像素以不均匀图案布置,其中所述多个焦点检测像素之间的共享间隔内的布置彼此不相等。 因此,能够精确地测量形成在图像传感器上的图像的焦点,同时图像传感器上形成的图像的图像质量的损失最小化。

    Imaging apparatus and image sensor thereof
    5.
    发明公开
    Imaging apparatus and image sensor thereof 审中-公开
    成像装置和图像传感器,从而

    公开(公告)号:EP2640068A3

    公开(公告)日:2014-06-18

    申请号:EP13156724.0

    申请日:2013-02-26

    发明人: Choi, Woo-seok

    IPC分类号: H04N5/369

    CPC分类号: H01L27/14625 H04N5/3696

    摘要: An imaging apparatus and an image sensor, where the imaging apparatus includes a lens unit and an image sensor including a plurality of image detection pixels for detecting an image formed by the lens unit and a plurality of focus detection pixels for detecting a focus of the image, wherein the plurality of focus detection pixels are arranged in a non-uniform pattern in which arrangements within shared intervals between the plurality of focus detection pixels are not equal to each other. Accordingly, the focus of an image formed on the image sensor can be accurately measured while a loss of image quality of the image formed on the image sensor is minimized.

    Light scanning unit, image forming apparatus employing the same and light scanning methods
    6.
    发明公开
    Light scanning unit, image forming apparatus employing the same and light scanning methods 审中-公开
    光扫描,成像装置和由此Lichtabtastverfahren

    公开(公告)号:EP2107411A3

    公开(公告)日:2010-07-07

    申请号:EP09156601.8

    申请日:2009-03-30

    IPC分类号: G02B26/10

    CPC分类号: G02B26/105

    摘要: A light scanning unit (100) including a light source unit (110) for emitting a collimated light beam, and a beam deflector (170) for deflecting and scanning the collimated light beam and having a mirror surface controllable to oscillate, a light scanning method and an image forming apparatus employing the light scanning unit are disclosed. The light source unit may be made to oscillate synchronously with the oscillation of the beam deflector so that the incident angle of the collimated light beam on the beam deflector changes in synchronization with the oscillation of the beam deflector, thereby allowing an increase of the maximum deflection angle of the light beam deflected and scanned by the beam deflector.

    Optical scanning apparatus and image forming apparatus including the same

    公开(公告)号:EP2107410A3

    公开(公告)日:2010-06-30

    申请号:EP08167642.1

    申请日:2008-10-27

    IPC分类号: G02B26/10

    摘要: An optical deflector (20) includes a driving mirror (14), which is driven to rotate and has a deflecting surface for deflecting an incident light. Gratings (16) are formed on the deflecting surface, each grating having a shape that makes the intensities of light beams diffracted at a positive order and a negative order different from each other. A main scanning line (S) formed by a trace of the deflected light according to the rotation of the driving mirror (14) is a straight line. The optical deflector (20) is used in an optical scanning apparatus with a light source. The optical scanning apparatus is utilized in an image forming apparatus for forming an electrostatic latent image onto an exposure object.

    Multilayer recording medium and method of manufacturing the same
    8.
    发明公开
    Multilayer recording medium and method of manufacturing the same 审中-公开
    它们的多层记录介质及其制造方法

    公开(公告)号:EP1701348A3

    公开(公告)日:2007-05-02

    申请号:EP06110893.2

    申请日:2006-03-09

    IPC分类号: G11B7/24

    摘要: A multilayer recording medium that prevents deterioration of a signal characteristic due to a mirror effect that may occur between recording layers and a method of manufacturing the same, the multilayer recording medium having at least two recording layers, wherein a thickness of at least one spacer layer between adjacent recording layers is different from a thickness of the other spacer layers such that a beam focusing on a recording layer (K) is prevented from focusing on another recording layer (Q) corresponding to a mirror layer (K+2) due to reflection. In the multilayer recording medium, a mirror effect is greatly reduced. In addition, the thickness of only a spacer layer exerting the most significant influence on the mirror effect is changed to prevent the deterioration of signal quality due to the mirror effect, and therefore, the structure of a multilayer recording medium is simplified.

    Optical pickup apparatus capable of detecting and compensating for spherical aberration caused by thickness variation of recording layer
    9.
    发明公开
    Optical pickup apparatus capable of detecting and compensating for spherical aberration caused by thickness variation of recording layer 审中-公开
    用于检测和修正球面像差由于厚度的记录层中的变化的光学拾取装置的功能

    公开(公告)号:EP1755116A2

    公开(公告)日:2007-02-21

    申请号:EP06118714.2

    申请日:2006-08-10

    IPC分类号: G11B7/135

    摘要: An optical pickup apparatus, including a light source (11) to emit light, an objective lens (16) to form a light spot on an optical recording medium by focusing the light emitted from the light source, an optical division unit (13), disposed between the light source and the objective lens, to divide the light emitted from the light source into a main beam and two subbeams to form one main spot and two subspots on the optical recording medium, the optical division unit having a first area and a second area surrounding the first area, a detector (20) to detect the amount of light of the main beam and the amount of light of the respective subbeams reflected from the optical recording medium, a beam splitter (14) disposed between the light source and the objective lens to allow the light reflected from the optical recording medium to be directed to the detector, signal generating circuits to generate a tracking error signal (TES), a focusing error signal (FES), and a spherical aberration signal (SAS), respectively, in response to the output of the detector, and a spherical aberration compensation unit (15), disposed between the objective lens and the beam splitter, to compensate for spherical aberration using the SAS generated by the signal generating circuits.

    摘要翻译: 一种光学拾取装置,包括光源(11)发射光到物镜(16),通过聚焦从光源到光分割单元(13)发射的光,以形成到光记录介质的光点, 在光源和物镜之间设置的,以从该光源发出的光分成主光束和两个子光束以形成一个主光点和所述光学记录介质上的两个子光点,其具有第一区域和所述光分割单元 围绕所述第一区域的第二区域中,一个检测器(20),以检测主光束的光的光源和之间设置的量和respectivement分光束从光学记录介质中,光束分离器(14)反射的光的量 物镜,以允许光从光学记录介质反射被引导到检测器,信号生成电路以生成跟踪误差信号(TES),一个聚焦误差信号(FES)和球面像差小号 ignal(SAS),分别响应于所述检测器的输出,并且在物镜和分束器之间设置的球面像差补偿单元(15),以补偿使用由信号产生电路产生的SAS球面像差 ,

    Multilayer recording medium and method of manufacturing the same
    10.
    发明公开
    Multilayer recording medium and method of manufacturing the same 审中-公开
    Mehrschichtiges Aufzeichnungsmedium und Herstellungsverfahrendafür

    公开(公告)号:EP1701348A2

    公开(公告)日:2006-09-13

    申请号:EP06110893.2

    申请日:2006-03-09

    IPC分类号: G11B7/24

    摘要: A multilayer recording medium that prevents deterioration of a signal characteristic due to a mirror effect that may occur between recording layers and a method of manufacturing the same, the multilayer recording medium having at least two recording layers, wherein a thickness of at least one spacer layer between adjacent recording layers is different from a thickness of the other spacer layers such that a beam focusing on a recording layer (K) is prevented from focusing on another recording layer (Q) corresponding to a mirror layer (K+2) due to reflection. In the multilayer recording medium, a mirror effect is greatly reduced. In addition, the thickness of only a spacer layer exerting the most significant influence on the mirror effect is changed to prevent the deterioration of signal quality due to the mirror effect, and therefore, the structure of a multilayer recording medium is simplified.

    摘要翻译: 一种多层记录介质,其防止由于记录层之间可能发生的镜面效应引起的信号特性的劣化及其制造方法,所述多层记录介质具有至少两个记录层,其中至少一个间隔层 相邻记录层之间的距离不同于其它间隔层的厚度,从而防止聚焦在记录层(K)上的光束聚焦在由于反射而对应于镜层(K + 2)的另一个记录层(Q)上 。 在多层记录介质中,镜面效果大大降低。 此外,仅改变对镜面效果产生最重要影响的间隔层的厚度,以防止由于镜面效应引起的信号质量的劣化,因此简化了多层记录介质的结构。