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    • 5. 发明申请
    • ZOOM TRACKING CONTROLLER, COMPOUND-EYE IMAGING APPARATUS, AND METHOD OF CONTROL BY ZOOM TRACKING CONTROLLER
    • 变焦跟踪控制器,化妆品成像装置和缩放跟踪控制器的控制方法
    • US20120170921A1
    • 2012-07-05
    • US13325437
    • 2011-12-14
    • Sakae OKAZAKI
    • Sakae OKAZAKI
    • G03B17/00
    • G03B35/08G03B3/10G03B5/00G03B2205/0046G03B2205/0092H04N13/239
    • A zoom tracking controller includes a lens position acquiring unit that acquires the positions of a first zoom lens and a first focus lens, a cam curve storage unit that stores at least one reference cam curve, a normalizing unit that normalizes the acquired first zoom lens position and first focus lens position to a zoom lens position and a focus lens position on one of at least one reference cam curve according to a first cam curve and the reference cam curve, a focused lens position determining unit that determines second zoom lens and second focus lens positions on a second cam curve from the normalized zoom lens and focus lens positions according to the second cam curve and reference cam curve, and a lens controller that respectively moves the second zoom lens and second focus lens to the determined second zoom lens position and second focus lens position.
    • 变焦跟踪控制器包括获取第一变焦镜头和第一对焦镜头的位置的镜头位置获取单元,存储至少一个基准凸轮曲线的凸轮曲线存储单元,使所获取的第一变焦镜头位置归一化的归一化单元 以及根据第一凸轮曲线和所述基准凸轮曲线的至少一个基准凸轮曲线中的一个上的变焦透镜位置和对焦透镜位置的第一对焦透镜位置,确定第二变焦透镜和第二焦点的聚焦透镜位置确定单元 来自归一化变焦透镜的第二凸轮曲线上的透镜位置和根据第二凸轮曲线和参考凸轮曲线的对焦透镜位置以及分别将第二变焦透镜和第二对焦透镜移动到所确定的第二变焦透镜位置的透镜控制器,以及 第二焦点镜头位置。
    • 6. 发明申请
    • Autofocus-Control Device and Autofocus-Control Method, Recording Medium, and Program
    • 自动对焦控制装置和自动对焦控制方法,记录媒体和程序
    • US20070273783A1
    • 2007-11-29
    • US10591204
    • 2005-02-01
    • Sakae OkazakiMakibi Nakamura
    • Sakae OkazakiMakibi Nakamura
    • G03B13/00
    • H04N5/23212
    • The present invention allows for increasing an autofocus-response characteristic. An image-pickup sensor makes exposures ex 11 and ex12 (FIG. 7C) in synchronization with a video-vertical-synchronization signal VP1 (FIG. 7A). A camera-signal processing unit reads video signals obtained through the exposures ex11 and ex12 at timings VR12 and VR 21, respectively (FIG. 7D). An AF-detection unit captures a high-frequency component of a video signal corresponding to an AF-detection-reduction gate frame (hereinafter simply referred to as a gate frame) at the timing of the gate frame, rectifies and detects the high-frequency component, and generates a focus-evaluation value immediately after the gate-frame timing. An AF module captures a plurality of the focus-evaluation values at the timing of an AF module AF 2 (FIG. 7F), generates an autofocus-control signal LD3 which brings a focus position near to a focusing position (FIG. 7G), and moves a focus lens on the basis of the autofocus-control signal LD3. The present invention can be used for a video camera.
    • 本发明允许增加自动聚焦响应特性。 图像拾取传感器与视频垂直同步信号VP 1(图7A)同步地进行ex 11和ex 12(图7C)的曝光。 相机信号处理单元分别在定时VR 12和VR 21处读取通过曝光ex 11和ex 12获得的视频信号(图7D)。 AF检测单元在门帧的定时捕获与AF检测缩小门帧(以下简称为门帧)相对应的视频信号的高频分量,对高频分量进行整流和检测 并且在门帧定时之后立即生成焦点评估值。 AF模块在AF模块AF 2的定时捕获多个焦点评估值(图7F),产生使聚焦位置靠近聚焦位置的自动聚焦控制信号LD 3(图7 G),并且基于自动对焦控制信号LD 3移动聚焦透镜。本发明可以用于摄像机。