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    • 1. 发明授权
    • Optical instrument with movable lens barrel
    • 光学仪器带可移动镜筒
    • US5721645A
    • 1998-02-24
    • US812787
    • 1997-03-06
    • Hiroyuki IwasakiYasuhiko Tanaka
    • Hiroyuki IwasakiYasuhiko Tanaka
    • G02B7/02G02B7/10G03B5/00G02B15/14
    • G02B7/102
    • A zoom camera has at least a rear movable lens barrel movable on an optical axis forwards and rearwards. The rear movable barrel is moved from a collapsed position forwards. Front and rear lens groups are disposed in the rear movable barrel. A lens holder is supported inside the rear movable barrel in a movable manner on the optical axis forwards and rearwards, and supports the rear lens group. Three cam pins and three cam grooves move the lens holder relative to the rear movable barrel. An extension coil spring causes force of pulling the lens holder, biases the lens holder rearwards, and absorbs backlash between the three cam pins and three cam grooves. A combination of a spring plate and an inner wall of the body the extension coil spring when the rear movable barrel is in the collapsed position, to disable the pulling force from occurring. The extension coil spring is extended to enable the pulling force to occur when the rear movable barrel is in front of the collapsed position.
    • 变焦摄像机具有至少一个在光轴上可前后移动的后可移动镜筒。 后可移动筒从折叠位置向前移动。 前后透镜组设置在后可移动镜筒中。 透镜支架以可移动的方式被支撑在后可动镜筒的内部的前后方向上,并支撑后透镜组。 三个凸轮销和三个凸轮槽相对于后可动筒移动透镜架。 延伸螺旋弹簧引起拉动透镜架的力,向后偏置透镜架,并吸收三个凸轮销和三个凸轮槽之间的间隙。 弹簧板和本体的内壁的组合,当后部可动筒处于折叠位置时,延伸螺旋弹簧的组合,以防止发生拉力。 延伸螺旋弹簧被延伸以使得当后可移动筒处于折叠位置的前方时能够产生拉力。
    • 2. 发明授权
    • Stereoscopic image pickup apparatus and method of adjusting optical axis
    • 立体摄像装置及调整光轴的方法
    • US08384767B2
    • 2013-02-26
    • US12055404
    • 2008-03-26
    • Hiroyuki Iwasaki
    • Hiroyuki Iwasaki
    • H04N13/02
    • H04N13/239H04N13/246H04N13/296
    • A stereoscopic camera includes first and second image pickup units, having respectively first and second optical axes, for photographing an object to form two image frames. Two angle adjusters make angle adjustment of the optical axes. An object detector detects a human face as a principal object in the two image frames. An arithmetic processor obtains a shift amount of the face between two image frames, and determines an axial correction angle according to the shift amount for the angle adjustment in consideration of the face. A checker checks whether the angle adjustment should be made for both optical axes or for one thereof. A controller operates at least one of the two angle adjusters according to the axial correction angle and in response to information from the checker, for positioning the face equally between the two image frames optically by adjusting the first and/or second optical axis.
    • 立体摄像机包括分别具有第一和第二光轴的第一和第二摄像单元,用于拍摄对象以形成两个图像帧。 两个角度调节器可以对光轴进行角度调整。 物体检测器检测人脸作为两个图像帧中的主要对象。 算术处理器获得两个图像帧之间的面的偏移量,并且根据面部考虑角度调整的偏移量来确定轴向校正角度。 检查员检查是否应对两个光轴进行角度调整,或检查其中一个。 控制器根据轴向校正角度操作两个角度调节器中的至少一个,并且响应于来自检验器的信息,通过调整第一和/或第二光轴来将光面定位在两个图像帧之间。
    • 3. 发明授权
    • Camera and method of imaging
    • 相机和成像方法
    • US07650068B2
    • 2010-01-19
    • US11656983
    • 2007-01-24
    • Hiroyuki Iwasaki
    • Hiroyuki Iwasaki
    • G03B7/08H04N5/235
    • G03B7/08
    • A camera includes a photometry section, an exposure calculating section, and a correction calculating section. The photometry section obtains photometry values at a plurality of positions of a subject. The exposure calculating section obtains an exposure value when photographing based on the photometry values. The correction calculating section obtains a correction value for correction of the exposure value based on a highest value among photometry values belonging to a predetermined range out of the plurality of photometry values obtained by the photometry section.
    • 相机包括测光部分,曝光计算部分和校正计算部分。 测光部分在对象的多个位置处获得测光值。 曝光计算部根据测光值取得拍摄时的曝光值。 校正计算部分根据由测光部分获得的多个测光值中的属于预定范围的测光值中的最高值,获得用于校正曝光值的校正值。
    • 5. 发明申请
    • Image forming device and deviation correcting method
    • 图像形成装置和偏差校正方法
    • US20080056741A1
    • 2008-03-06
    • US11896354
    • 2007-08-31
    • Hiroyuki Iwasaki
    • Hiroyuki Iwasaki
    • G03G15/01
    • G03G15/5008G03G15/0178G03G2215/0119G03G2215/0158
    • In an image forming device, a main controller unit controls the image forming device, a motor controller unit controls individually rotational speeds of a plurality of motors rotating image carriers respectively, and a deviation detection unit detects a deviation of the color image. In the main controller unit, a speed signal transmitting unit transmits a speed signal, indicating a target rotational speed for correcting the deviation, to the motor controller unit. An enabling-signal transmitting unit transmits, to the motor controller unit, a speed-change enabling signal after passing of a predetermined time from a time an imaging reference signal, which is indicative of a start and an end of an image region of each color, indicates an end of a corresponding image region immediately after transmission of the speed signal.
    • 在图像形成装置中,主控制单元控制图像形成装置,马达控制单元分别对多个马达旋转图像载体的转速分别进行控制,偏差检测单元检测彩色图像的偏差。 在主控制器单元中,速度信号发送单元向马达控制器单元发送指示用于校正偏差的目标转速的速度信号。 使能信号发送单元从指示每种颜色的图像区域的开始和结束的成像参考信号的时间经过预定时间之后,向马达控制器单元发送转换使能信号 表示在发送速度信号之后立即对应的图像区域的结束。
    • 6. 发明授权
    • Flash control device
    • 闪光控制装置
    • US06564014B1
    • 2003-05-13
    • US09667809
    • 2000-09-22
    • Hiroshi TakeuchiHiroyuki Iwasaki
    • Hiroshi TakeuchiHiroyuki Iwasaki
    • G03B1503
    • G03B7/17G03B7/08G03B7/09979G03B7/16G03B15/05G03B2215/05
    • A flash control device includes: a flash emission section that performs main light emission at photography and preliminary light emission before photography; a flash photometric section that divides reflected light from a photographic subject due to the preliminary light emission into a plurality of photometric areas and performs photometry thereupon; and a flash control section that performs control by, if an output from at least one photometric area of the plurality of photometric areas is outside a predetermined range, resetting a gain related to photometry for the at least one photometric area, and performing again a preliminary light emission by the flash emission section and a preliminary light emission photometry by the flash photometric section.
    • 闪光控制装置包括:闪光发射部,其在摄影前进行拍摄时的主发光和初步发光; 闪光测光部,其将来自被摄体的反射光由于初步光发射分割成多个测光区域,并在其上进行测光; 以及闪光控制部,其通过如果来自所述多个测光区域的至少一个测光区域的输出超出预定范围,则对与所述至少一个测光区域的测光相关的增益进行复位,再次执行预备 通过闪光发射部分的发光和闪光测光部分的初步发光测光。
    • 7. 发明授权
    • Camera
    • 相机
    • US06393218B1
    • 2002-05-21
    • US09708464
    • 2000-11-09
    • Hiroyuki IwasakiYukitaka TakeshitaYoji Naka
    • Hiroyuki IwasakiYukitaka TakeshitaYoji Naka
    • G03B1704
    • G03B17/04
    • A camera capable of obtaining stable resolution and saving cost is provided. A camera includes a fixed cylinder 20 fixed to a camera main body, a rotatable ring 21 that is allowed to rotate around the optical axis when driven by a first driving gear 1, a focus cylinder 22 linked to the rotatable ring 21 through a cam mechanism so as to move linearly in the optical axis direction in association with a rotation of the rotatable ring 21, and a rotationally movable cylinder 23 engaged with the focus cylinder 22 in the optical axis direction so as to move in association with a movement of the focus cylinder 22 in the optical axis direction and provided rotatably around the optical axis with respect to the focus cylinder 22 in the rotating direction so as to rotate when driven by a second driving gear 2, wherein a picture is taken by effecting a zooming operation by driving the second driving gear 2 while changing a distance between two lens groups, and after setting a desired magnification by changing a relative distance between the two lens groups, effecting a focusing operation by driving the first driving gear 1 while maintaining the distance between the two lens groups.
    • 提供一种能够获得稳定的分辨率并节省成本的照相机。一种照相机包括固定在相机主体上的固定筒20,当被第一驱动齿轮1驱动时允许绕光轴旋转的可旋转环21 聚焦圆筒22通过凸轮机构连接到可旋转环21,以便与可旋转环21的旋转相关联地在光轴方向上线性地移动;以及旋转可移动的圆柱体23,其在光轴上与聚焦圆筒22接合 方向相对于聚焦圆筒22在光轴方向的移动而移动,并且相对于聚焦圆筒22沿着旋转方向围绕光轴可旋转地设置,以便在被第二驱动齿轮2驱动时旋转 其中,通过在改变两个透镜组之间的距离的同时驱动第二驱动齿轮2进行变焦操作并且在设置期望的倍率b之后拍摄照片 y改变两个透镜组之间的相对距离,通过驱动第一驱动齿轮1同时保持两个透镜组之间的距离来进行聚焦操作。
    • 8. 发明授权
    • Photometry system
    • 测光系统
    • US5742852A
    • 1998-04-21
    • US713438
    • 1996-09-17
    • Tadao TakagiMasaru MuramatsuHiroyuki Iwasaki
    • Tadao TakagiMasaru MuramatsuHiroyuki Iwasaki
    • G03B7/091G03B7/28G03B7/08
    • G03B7/09979
    • A photometric system is provided in which the value is obtained when the center-weighted photometric value and the like are determined from a plurality of separate photometric outputs is the same value that is obtained when photometry is accomplished on the same area when it is treated as a single cell. The photometric system includes a photometric element which divides the subject field into regions in order to measure the light quantity, a photometric mode selection unit which selects a photometric mode, a plurality of addition units which add together certain outputs from the outputs of the photometric element 11 in accordance with the selection made by a photometric mode selection switch, and a logarithm conversion unit which converts the output of the plurality of addition units into logarithms.
    • 提供了一种光度系统,其中当从多个单独的测光输出确定中心重量光度值等时获得的值是当在相同的区域被完成的光度测定被当作 单个单元格。 测光系统包括测光元件,该测光元件将被摄体区域划分成区域以测量光量;选择光度模式的测光模式选择单元;多个加法单元,其将来自测光元件的输出的某些输出相加 根据由测光模式选择开关进行的选择,以及将多个加法单元的输出转换为对数的对数转换单元。