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    • 1. 发明授权
    • Digital camera
    • 数码相机
    • US07692694B2
    • 2010-04-06
    • US12109844
    • 2008-04-25
    • Akira ShigaToshinori Orito
    • Akira ShigaToshinori Orito
    • H04N5/235
    • H04N5/243H04N5/2352
    • A digital camera is disclosed to reduce shutter lag and improved accuracy in exposure. The digital camera includes an image pickup lens optical system, an iris, an image pickup device, a hold/gain control circuit, a luminance level detector, an exposure control circuit, a device control circuit and so forth. The exposure control circuit discriminates based on a luminance level supplied thereto from the luminance level detector whether or not appropriate exposure is performed. Then, based on a result of the discrimination, the exposure control circuit arithmetically operates three values of the numerical aperture of the iris, the shutter speed of an electronic shutter of the image pickup device and the gain of the hold/gain control circuit which are necessary to perform appropriate exposure. The exposure control circuit arithmetically operates iris control data, electronic shutter control data and gain control data necessary for the arithmetically operated exposure amounts to be individually reflected on the iris, the electronic shutter of the image pickup device and the hold/gain control circuit.
    • 公开了一种数码相机来减少快门滞后并提高曝光精度。 数字照相机包括摄像镜头光学系统,光圈,图像拾取装置,保持/增益控制电路,亮度电平检测器,曝光控制电路,装置控制电路等。 曝光控制电路基于从亮度级检测器提供的亮度级别来判别是否进行适当的曝光。 然后,基于判别结果,曝光控制电路算术地操作光圈的数值孔径的三个值,图像拾取装置的电子快门的快门速度和保持/增益控制电路的增益 必须进行适当的曝光。 曝光控制电路算术地操作光圈控制数据,电子快门控制数据和用于算术操作的曝光量所需的增益控制数据被单独地反射在光圈,图像拾取装置的电子快门和保持/增益控制电路上。
    • 2. 发明授权
    • Digital camera
    • 数码相机
    • US07511740B2
    • 2009-03-31
    • US10496006
    • 2003-09-25
    • Akira ShigaToshinori Orito
    • Akira ShigaToshinori Orito
    • H04N5/235
    • H04N5/243H04N5/2352
    • A digital camera with reduced shutter lag and improved exposure accuracy, and including image pickup lens optics, an iris, an image pickup, a hold/gain control circuit, a luminance level detector, an exposure control circuit, and a control circuit. The exposure control circuit discriminates, based on a luminance level supplied from the luminance level detector, whether or not appropriate exposure is performed. Then, based on the discrimination result, the exposure control circuit arithmetically operates three values of numerical aperture of the iris, shutter speed of an electronic shutter of the image pickup, and gain of the hold/gain control circuit, which are necessary for appropriate exposure. The exposure control circuit arithmetically operates iris control data, electronic shutter control data, and gain control data necessary for the arithmetically operated exposure amounts to be individually reflected on the iris, the electronic shutter of the image pickup, and the hold/gain control circuit.
    • 具有降低的快门滞后和改善的曝光精度的数码相机,并且包括图像拾取镜头光学元件,光圈,图像拾取器,保持/增益控制电路,亮度电平检测器,曝光控制电路和控制电路。 曝光控制电路基于从亮度级检测器提供的亮度级别来判别是否进行适当的曝光。 然后,根据鉴别结果,曝光控制电路算术地操作光圈的数值孔径,图像拾取的电子快门的快门速度和适当曝光所需的保持/增益控制电路的增益的三个值 。 曝光控制电路对光圈,电子快门和保持/增益控制电路进行单独反映的算术运算曝光量所需的光圈控制数据,电子快门控制数据和增益控制数据进行算术运算。
    • 3. 发明申请
    • DIGITAL CAMERA
    • 数码相机
    • US20080204575A1
    • 2008-08-28
    • US12109844
    • 2008-04-25
    • Akira ShigaToshinori Orito
    • Akira ShigaToshinori Orito
    • H04N5/235
    • H04N5/243H04N5/2352
    • A digital camera is disclosed to reduce shutter lag and improved accuracy in exposure. The digital camera includes an image pickup lens optical system, an iris, an image pickup device, a hold/gain control circuit, a luminance level detector, an exposure control circuit, a device control circuit and so forth. The exposure control circuit discriminates based on a luminance level supplied thereto from the luminance level detector whether or not appropriate exposure is performed. Then, based on a result of the discrimination, the exposure control circuit arithmetically operates three values of the numerical aperture of the iris, the shutter speed of an electronic shutter of the image pickup device and the gain of the hold/gain control circuit which are necessary to perform appropriate exposure. The exposure control circuit arithmetically operates iris control data, electronic shutter control data and gain control data necessary for the arithmetically operated exposure amounts to be individually reflected on the iris, the electronic shutter of the image pickup device and the hold/gain control circuit.
    • 公开了一种数码相机来减少快门滞后并提高曝光精度。 数字照相机包括摄像镜头光学系统,光圈,图像拾取装置,保持/增益控制电路,亮度电平检测器,曝光控制电路,装置控制电路等。 曝光控制电路基于从亮度级检测器提供的亮度级别来判别是否进行适当的曝光。 然后,基于判别结果,曝光控制电路算术地操作光圈的数值孔径的三个值,图像拾取装置的电子快门的快门速度和保持/增益控制电路的增益 必须进行适当的曝光。 曝光控制电路算术地操作光圈控制数据,电子快门控制数据和用于算术操作的曝光量所需的增益控制数据被单独地反射在光圈,图像拾取装置的电子快门和保持/增益控制电路上。
    • 4. 发明申请
    • Digital camera
    • 数码相机
    • US20050062874A1
    • 2005-03-24
    • US10496006
    • 2003-09-25
    • Akira ShigaToshinori Orito
    • Akira ShigaToshinori Orito
    • H04N5/235H04N101/00
    • H04N5/243H04N5/2352
    • A digital camera with reduced shutter lag and improved exposure accuracy, and including image pickup lens optics, an iris, an image pickup, a hold/gain control circuit, a luminance level detector, an exposure control circuit, and a control circuit. The exposure control circuit discriminates, based on a luminance level supplied from the luminance level detector, whether or not appropriate exposure is performed. Then, based on the discrimination result, the exposure control circuit arithmetically operates three values of numerical aperture of the iris, shutter speed of an electronic shutter of the image pickup, and gain of the hold/gain control circuit, which are necessary for appropriate exposure. The exposure control circuit arithmetically operates iris control data, electronic shutter control data, and gain control data necessary for the arithmetically operated exposure amounts to be individually reflected on the iris, the electronic shutter of the image pickup, and the hold/gain control circuit.
    • 具有降低的快门滞后和改善的曝光精度的数码相机,并且包括图像拾取镜头光学元件,光圈,图像拾取器,保持/增益控制电路,亮度电平检测器,曝光控制电路和控制电路。 曝光控制电路基于从亮度级检测器提供的亮度级别来判别是否进行适当的曝光。 然后,根据鉴别结果,曝光控制电路算术地操作光圈的数值孔径,图像拾取的电子快门的快门速度和适当曝光所需的保持/增益控制电路的增益的三个值 。 曝光控制电路对光圈,电子快门和保持/增益控制电路进行单独反映的算术运算曝光量所需的光圈控制数据,电子快门控制数据和增益控制数据进行算术运算。
    • 6. 发明授权
    • Exposure control apparatus and image pickup apparatus
    • 曝光控制装置和图像拾取装置
    • US08121404B2
    • 2012-02-21
    • US11657934
    • 2007-01-25
    • Ruihua XiaoAkira Shiga
    • Ruihua XiaoAkira Shiga
    • G06K9/00G06K9/40G06F15/00G03F3/08H04N5/235H04N5/202
    • G03B7/091G06K9/00228G06T5/008G06T5/40G06T2207/10024G06T2207/20012G06T2207/30201H04N5/23219H04N5/2351
    • An exposure control apparatus for controlling an exposure adjustment mechanism on the basis of a captured image signal includes the following elements. A face detecting unit detects a face of a person appearing in a captured image on the basis of the captured image signal. A histogram data determining unit determines histogram data by setting a face detection region in the captured image according to detection information and detecting at least a brightness value of the face detection region from the captured image signal. A target brightness setting unit sets a target brightness range for desired brightness of the face. An exposure control amount determining unit determines, when a face is detected, an amount of control for the exposure adjustment mechanism by comparing the target brightness range with a brightness value at a peak of the histogram data or a brightness region in the vicinity of the peak.
    • 基于拍摄图像信号控制曝光调整机构的曝光控制装置包括以下要素。 面部检测单元基于所捕获的图像信号检测出现在拍摄图像中的人的面部。 直方图数据确定单元通过根据检测信息设置拍摄图像中的面部检测区域并从捕获的图像信号中至少检测面部检测区域的亮度值来确定直方图数据。 目标亮度设定单元设定面部所需亮度的目标亮度范围。 曝光控制量确定单元通过将目标亮度范围与直方图数据的峰值处的亮度值或峰值附近的亮度区域进行比较来确定当检测到面部时的曝光调整机构的控制量 。
    • 9. 发明授权
    • Method and apparatus for producing magnetic recording medium
    • 制造磁记录介质的方法和装置
    • US5447748A
    • 1995-09-05
    • US299102
    • 1994-09-02
    • Noriyuki KitaoriOsamu YoshidaHirohide MizunoyaAkira Shiga
    • Noriyuki KitaoriOsamu YoshidaHirohide MizunoyaAkira Shiga
    • C23C14/56G11B5/84G11B5/85H01F10/08
    • C23C14/562G11B5/84G11B5/8404G11B5/8408G11B5/85
    • There is provided an apparatus for producing a magnetic recording medium which enables a good-quality magnetic recording medium to be produced with an improved production efficiency. This apparatus comprises a back-coat layer-coating vacuum chamber, a magnetic layer-coating vacuum chamber, a lubricant layer-coating vacuum chamber and a slitting vacuum chamber provided in a housing under vacuum, wherein the back-coat layer-coating vacuum chamber includes a melting pot disposed under a substrate and containing a metal, an electron beam-emitting device, and a guiding roller for reversing the surfaces of the substrate; the magnetic layer-coating vacuum chamber includes a melting pot disposed under the substrate and containing a magnetic substance, an electron beam-emitting device, and an oxidizing gas introduction means; the lubricant layer-coating vacuum chamber includes a lubricant-providing means disposed under the substrate; and the slitting vacuum chamber includes a winding means, a slitter, and an oxidizing gas-providing means.
    • 提供了一种用于制造磁记录介质的装置,其能够以提高的生产效率制造出优质磁记录介质。 该设备包括背涂层涂层真空室,磁性层涂覆真空室,润滑剂层涂覆真空室和在真空下设置在壳体中的分切真空室,其中后涂层涂覆真空室 包括设置在基板下方并包含金属,电子束发射装置和用于使基板的表面反转的引导辊的熔炉; 磁性层涂覆真空室包括设置在基板下方并包含磁性物质,电子束发射装置和氧化气体引入装置的熔化锅; 润滑剂层涂覆真空室包括设置在基板下方的润滑剂供给装置; 并且分切真空室包括卷绕装置,分切机和氧化气体提供装置。