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    • 33. 发明申请
    • IMAGE PICKUP APPARATUS, SEMICONDUCTOR INTEGRATED CIRCUIT AND IMAGE PICKUP METHOD
    • 图像拾取装置,半导体集成电路和图像拾取方法
    • US20130113984A1
    • 2013-05-09
    • US13809951
    • 2012-04-12
    • Takeshi ShimamotoTakashi KawamuraYusuke Monobe
    • Takeshi ShimamotoTakashi KawamuraYusuke Monobe
    • G03B13/32
    • G03B13/32G02B7/28G02B27/0075G03B7/08G03B15/00H04N5/23212
    • An image pickup device disclosed by this application includes an image pickup element; a lens optical system including a focus lens; a driving section for driving one of the image pickup element and the focus lens so as to change a distance between the image pickup element and the focus lens; a displacement control section configured to output an instruction to the driving section to control displacement of the image pickup element or the focus lens which is driven, based on a prescribed displacement pattern; and a synchronization section configured to control the displacement control section based on timing for exposing the image pickup element. Where first and second focus positions of the focus lens or the image pickup element provide focusing at first and second subject distances respectively in an image pickup scene, the displacement pattern includes a first type of displacement pattern by which the focus lens or the image pickup element is displaced in a displacement range between the first focus position and the second focus position, and a second type of displacement pattern by which the focus lens or the image pickup element is displaced in another displacement range between the first focus position and the second focus position; the first type of displacement pattern and the second type of displacement pattern being alternately repeated.
    • 本申请所公开的图像拾取装置包括图像拾取元件; 包括聚焦透镜的透镜光学系统; 用于驱动图像拾取元件和聚焦透镜中的一个以便改变图像拾取元件和聚焦透镜之间的距离的驱动部分; 位移控制部,被配置为基于规定的位移图案,将指示输出到所述驱动部,以控制被驱动的图像拾取元件或聚焦透镜的位移; 以及同步部,被配置为基于用于曝光所述图像拾取元件的定时来控制所述位移控制部。 在聚焦透镜或图像拾取元件的第一和第二对焦位置分别在图像拾取场景中分别在第一和第二被摄体距离处提供聚焦的位置中,位移图案包括第一类型的位移图案,通过该位移图案,聚焦透镜或图像拾取元件 在第一聚焦位置和第二聚焦位置之间的位移范围内移位,以及第二类型的位移图案,通过该位移图案,聚焦透镜或图像拾取元件在第一对焦位置和第二对焦位置之间的另一位移范围内移位 ; 交替重复第一类位移图案和第二类位移图案。
    • 34. 发明授权
    • Optical head device, optical information device, and information processing device
    • 光头设备,光信息设备和信息处理设备
    • US08395980B2
    • 2013-03-12
    • US13391483
    • 2010-07-30
    • Yoshiaki KommaJoji AnzaiYasumori HinoKousei SanoHideki NakataKeisuke FujimotoTakeharu YamamotoTakeshi Shimamoto
    • Yoshiaki KommaJoji AnzaiYasumori HinoKousei SanoHideki NakataKeisuke FujimotoTakeharu YamamotoTakeshi Shimamoto
    • G11B7/00
    • G11B7/1381G11B7/1275G11B2007/0006G11B2007/0013
    • When information is recorded or reproduced on or from an optical information medium having three or more recording layers using blue light, interference by another layer light is reduced and, when information is reproduced from an optical information medium using red light, an S/N ratio is held excellently high.An optical head device includes a first laser light source (1) which emits blue light, a second laser light source (2) which emits red light, an objective lens (11) which focuses the blue light onto a recording layer of a first optical disc (12) or focuses the red light onto a recording layer of a second optical disc (13), a photodetector (9) which receives the blue light reflected by the recording layer of the first optical disc (12) or the red light reflected by the recording layer of the second optical disc (13) and outputs an electric signal in accordance with an amount of the received blue light or red light, and a wavelength selective light blocking region (7x) which blocks a predetermined range of the blue light including an optical axis thereof to prevent the predetermined range from reaching the photodetector (9), and transmits the red light.
    • 当使用蓝光在具有三个或更多个记录层的光信息介质上记录或再现信息时,减少了另一层光的干扰,并且当使用红光从光信息介质再现信息时,S / N比 举办得非常高。 光头装置包括发射蓝光的第一激光光源(1),发出红光的第二激光光源(2),将蓝光聚焦到第一光学记录层上的物镜(11) 盘(12)或将红光聚焦到第二光盘(13)的记录层上,接收由第一光盘(12)的记录层反射的蓝光的光电检测器(9)或反射的红光 通过第二光盘(13)的记录层,并根据所接收的蓝光或红光的量输出电信号,以及阻挡蓝光的预定范围的波长选择性遮光区域(7x) 包括其光轴以防止预定范围到达光电检测器(9),并发送红光。
    • 35. 发明授权
    • Optical disc device, video reproducing apparatus, server, car navigation system using the optical disc device, integrated circuit and recording/reproducing method
    • 光盘装置,视频再现装置,服务器,使用光盘装置的车载导航系统,集成电路和记录/再现方法
    • US08194521B2
    • 2012-06-05
    • US12740721
    • 2009-08-26
    • Hidenori WadaYoshiaki KommaTakeshi Shimamoto
    • Hidenori WadaYoshiaki KommaTakeshi Shimamoto
    • G11B7/00
    • G11B7/13925G11B7/08511G11B7/1369G11B2007/0013
    • An optical disc device is provided with an optical head including a light source, a condensing optical system including an objective lens for receiving a light beam emitted from the light source and forming a microspot on a multilayer optical recording medium, a photodetector for receiving the light beam reflected by the multilayer optical recording medium and outputting an electrical signal corresponding to the amount of light and a coma aberration correcting element for correcting a coma aberration of the condensing optical system, and a processing circuit for controlling the condensing optical system and the coma aberration correcting element. The processing circuit controls the condensing optical system and the coma aberration correcting element so that the correction of the coma aberration from a value suitable for a first recording layer to a value specified for a second recording layer is started before a movement of a focus position of the microspot from the first recording layer to the second recording layer is completed.
    • 光盘装置设置有包括光源的光学头,包括用于接收从光源发射的光束并在多层光学记录介质上形成微点的物镜的聚光光学系统,用于接收光的光电检测器 并且输出对应于光量的电信号和用于校正聚光光学系统的彗形像差的彗形像差校正元件,以及用于控制聚光光学系统和彗形像差的处理电路 校正元件。 处理电路控制聚光光学系统和彗形像差校正元件,使得从适合于第一记录层的值到第二记录层指定的值的彗形像差的校正在聚焦位置的移动之前开始 完成从第一记录层到第二记录层的微点。
    • 38. 发明申请
    • OPTICAL DISC AND OPTICAL DISC DEVICE
    • 光盘和光盘设备
    • US20090154324A1
    • 2009-06-18
    • US12088460
    • 2006-11-22
    • Takahiro SatoTakeshi ShimamotoKatsuya Watanabe
    • Takahiro SatoTakeshi ShimamotoKatsuya Watanabe
    • G11B7/00
    • G11B7/00736G11B7/094G11B7/0945G11B7/13925G11B2007/0013
    • An optical disc drive according to the present invention can read and/or write data from/on an optical disc with information layers including first and second information layers (L0 and L1). The drive includes: an objective lens for converging a light beam; a lens actuator for driving the lens; a photodetector section that receives the beam reflected from the disc and converts it into an electrical signal; and a control section for determining the values of a first group of parameters, which are set to read data from the first layer (L0), and those of a second group of parameters, which are set to read data from the second layer (L1), during a disc loading process. In performing the disc loading process, the control section determines the values of the first group of parameters, and then determines the values of the second group of parameters based on correlation information, representing correlation between the values of the first and second groups of parameters that were set during a previous disc loading process, and on the values of the first group of parameters that have been just determined during the current disc loading process.
    • 根据本发明的光盘驱动器可以从包括第一和第二信息层(L0和L1)的信息层读取和/或写入光盘上的数据。 该驱动器包括:用于会聚光束的物镜; 用于驱动透镜的透镜致动器; 光接收器部分,其接收从盘反射的光束并将其转换成电信号; 以及控制部分,用于确定被设置为从第一层(L0)读取数据的第一组参数的值和被设置为从第二层(L1)读取数据的第二组参数的参数的值 ),在光盘加载过程中。 在执行光盘加载过程中,控制部分确定第一组参数的值,然后基于相关信息确定第二组参数的值,表示第一和第二组参数的值之间的相关性, 在先前的光盘加载过程中被设置,以及在当前盘加载过程中刚刚确定的第一组参数的值。