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    • 11. 发明专利
    • Focusing detection device
    • 聚焦检测装置
    • JP2007139893A
    • 2007-06-07
    • JP2005330460
    • 2005-11-15
    • Olympus Corpオリンパス株式会社
    • KOJO SATOKOYANAI SHOICHIMATSUZAWA TORUWATANABE NOBUYUKI
    • G02B7/28G02B7/36G03B13/36H04N5/232H04N101/00
    • G03B13/36G02B7/38G03B3/02G03B3/04G03B2217/002H04N5/23212
    • PROBLEM TO BE SOLVED: To provide a focusing detection device which performs focusing detection without requiring the correction of a characteristic table for every individual.
      SOLUTION: Distance information showing a distance to a subject from an optical system 12 is estimated by a control parameter calculation means 28 based on a blur parameter corresponding to the distance to the subject from the optical system 12 calculated by a blur parameter arithmetic calculation means 26 based on two pieces of luminance information having different blur acquired by changing the setting of arrangement of the optical system 12, for example. A hill-climbing operation means 22 acquires the luminance information after changing the setting of arrangement of the optical system 12 based on the estimated distance information, further acquires the luminance information having the different blur by changing the setting of arrangement of the optical system 12, and calculates an evaluated value showing the degree of focusing from the luminance information having the different blur, then decides the focusing position based on the evaluated value.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种聚焦检测装置,其执行聚焦检测,而不需要校正每个个体的特征表。 解决方案:通过控制参数计算装置28,基于通过模糊参数算术计算的与从光学系统12到被摄体的距离相对应的模糊参数来估计表示与光学系统12对象的距离的距离信息 例如,基于通过改变光学系​​统12的布置的设置而获得的具有不同模糊度的两个亮度信息的计算装置26。 爬坡操作装置22基于估计的距离信息来改变光学系​​统12的布置设置之后获取亮度信息,通过改变光学系​​统12的布置设置来进一步获取具有不同模糊的亮度信息, 并且根据具有不同模糊度的亮度信息计算表示聚焦度的评估值,然后基于评估值来确定聚焦位置。 版权所有(C)2007,JPO&INPIT
    • 12. 发明专利
    • Lens barrel, camera and personal digital assistant device
    • 镜头条,相机和个人数字助理装置
    • JP2006243549A
    • 2006-09-14
    • JP2005061425
    • 2005-03-04
    • Ricoh Co Ltd株式会社リコー
    • IWASAKI TETSUYA
    • G02B7/08G02B7/02G02B7/04G03B5/00G03B17/02G03B17/04G03B17/18H04N5/225H04N101/00
    • G02B7/102G03B3/02G03B13/02G03B17/04H04N5/2254H04N5/23296
    • PROBLEM TO BE SOLVED: To make the driving amount of a retreat lens large in a lens barrel. SOLUTION: The positions of a 3rd group lead screw 34 and a 3rd group main guide shaft 32 in a collapsible housing state are regulated by a presser plate 81 bent so that a part thereof may project backward from the rear end face of a lens barrel base 82. In the collapsible housing state, a female screw member 35 and the sleeve 31f of a 3rd lens holding frame 31 get into the recessed part of the presser plate 81, which is bent backward, and project more backward than the rear end face of the lens barrel base 82, whereby the amount of stroke going along in an optical axis direction is made larger by an amount equivalent to length L than in the case of using the conventional flat presser plate which is not bent, thereby realizing a high variable power. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:使透镜镜筒中的后视镜的驱动量大。 解决方案:第三组导螺杆34和第三组主导轴32处于可折叠壳体状态的位置由弯曲的压板81调节,使得其一部分可从后端面向后突出 透镜筒基座82.在可折叠壳体状态下,第三透镜​​保持框架31的内螺纹部件35和套筒31f进入向后弯曲的压板81的凹部,并且向后突出 透镜筒基部82的端面,由此沿与光轴方向相对的行程量比使用不弯曲的现有平板压板的情况大,比与长度L相等的量,从而实现 高可变功率 版权所有(C)2006,JPO&NCIPI
    • 13. 发明专利
    • Camera
    • 相机
    • JP2003075910A
    • 2003-03-12
    • JP2002120137
    • 2002-04-23
    • Hitoshi Suzuki仁 鈴木
    • SUZUKI HITOSHI
    • G03B3/02G02B7/02G02B7/08G03B5/00G03B5/04G03B5/06G03B5/08G03B13/06G03B13/24G03B13/32G03B17/02G03B17/04G03B17/30G03B19/10G03B19/12
    • G03B5/06G03B3/02G03B5/04G03B5/08G03B13/06G03B13/24G03B17/045G03B17/30G03B19/10G03B19/12G03B2215/0567
    • PROBLEM TO BE SOLVED: To provide a camera formed compactly and capable of achieving the same photographic effect as a large-sized view camera even when it is miniaturized.
      SOLUTION: This camera is provided with a turning body 4 turning along the guide 9 of a main body 1 in the main body 1, an operation means 5 for turning the turning body is connected to the turning body 4. A focusing screen 6 made to correspond to the luminous flux 11 of a lens body 2 is attached to the turning body, and a reflector 7 sending a subject image fetched from the lens body to a finder 12 provided in the main body is attached to the rear side of the focusing screen in the turning body, and a case body 8 in which an image pickup body 3 made to correspond to the luminous flux part of the lens body is housed is provided on the other side of the focusing screen in a state where the reflector is held in between in the turning body.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:即使在小尺寸的情况下,提供紧凑的相机,并且能够获得与大尺寸视角相机相同的照相效果。 解决方案:该照相机具有沿着主体1中的主体1的引导件9转动的转动体4,用于转动转动体的操作装置5连接到转动体4.将聚焦屏6制成 对应于透镜体2的光通量11被安装到转动体上,并且将从透镜体取出的被摄体图像发送到设置在主体中的取景器12的反射器7安装在聚焦屏幕的后侧 在反射镜保持的状态下,在聚焦屏幕的另一侧设置有转动体中容纳有与透镜体的光束部分对应的图像拾取体3的壳体8 在车身之间。