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    • 2. 发明申请
    • Production process of light amount adjustment member, light amount adjustment device and photographing apparatus
    • 光量调节构件,光量调节装置和拍摄装置的制作过程
    • US20050008358A1
    • 2005-01-13
    • US10872503
    • 2004-06-22
    • Osamu KanomeRyuji KatsuragiTakeshi MiyazakiIchiro OnukiEriko NamazueKohei WatanabeAkio Kashiwazaki
    • Osamu KanomeRyuji KatsuragiTakeshi MiyazakiIchiro OnukiEriko NamazueKohei WatanabeAkio Kashiwazaki
    • G02B5/00G02B5/20G03B9/02G03B9/06G03B9/08G03B11/00H04N5/225
    • H04N5/2254G02B5/005G02B5/205G03B9/06
    • A light amount adjustment member, which causes little deterioration of image quality by diffraction at a grain boundary between ink dots in a colored portion, is provided. A production process of a light amount adjustment member, by which a light amount adjustment member can be simply produced at low production cost and high yield, is also provided. A production process of a light amount adjustment member, by which a light amount adjustment member having a density distribution that an optical density varies continuously or stepwise can be simply obtained, is further provided. The production process comprises the steps of providing a transparent base material having a receptive layer composed of a material capable of absorbing a coloring liquid and applying the coloring liquid to the layer using an ink-jet recording method to form a light amount adjustment region having a particular optical density region, wherein the receptive layer contains a resin and a crosslinking agent, and the process further comprises the steps of storing the layer under a prescribed environment after the application of the coloring liquid to the layer to cause dots formed by the coloring liquid to bleed and crosslinking the resin contained in the layer by the crosslinking agent.
    • 提供了一种光量调节构件,其通过在着色部分中的墨点之间的晶界处的衍射引起的图像质量几乎不劣化。 还提供了一种光量调节部件的生产过程,通过该光量调节部件,可以以低生产成本和高产量简单地生产光量调节部件。 进一步提供光量调节构件的制造方法,通过该光量调节构件可以简单地获得具有光密度连续或逐步变化的密度分布的光量调节构件。 制造方法包括以下步骤:提供透明基材,其具有由能够吸收着色液体的材料构成的接受层,并使用喷墨记录方法将该着色液体涂布在该层上,形成具有 特定的光学密度区域,其中,所述接收层含有树脂和交联剂,所述方法还包括以下步骤:在将着​​色液体施加到所述层上以使得由着色液体形成的点之后,在规定的环境下储存该层 通过交联剂使包含在该层中的树脂渗色和交联。
    • 5. 发明授权
    • Light amount control apparatus, photographing apparatus, and filter
    • 光量控制装置,拍摄装置和滤光器
    • US07113318B2
    • 2006-09-26
    • US10837178
    • 2004-04-30
    • Ichiro OnukiTakeshi MiyazakiAkio KashiwazakiEriko Namazue
    • Ichiro OnukiTakeshi MiyazakiAkio KashiwazakiEriko Namazue
    • G02B26/02G03B7/00
    • G02B5/205G02B5/005
    • It is an object of this invention to independently control the F-number and the number of light attenuation steps of a multi-density ND filter by using a light amount control apparatus using an iris stop and the ND filter. The iris stop mechanism made up of a plurality of aperture blades and the ND filter having a multi-density pattern are stacked in a single unit. This simultaneously realizes continuous control of the F-number, multi-step control of the light attenuation ratio of the ND filter, a substantially circular stop aperture, and a uniform transmittance distribution in the stop aperture. In the first embodiment, the driving region of an actuator is divided into an ND control region and aperture control region. This makes it possible to independently control the F-number and the number of ND steps by the single actuator.
    • 本发明的目的是通过使用使用光圈停止器和ND滤光器的光量控制装置独立地控制多密度ND滤光器的F衰减步数和数量。 由多个孔径叶片和具有多密度图案的ND滤光器组成的虹膜停止机构以单个单元堆叠。 这同时实现了对ND滤光器的光衰减率的F数,多步控制,基本圆形的止动孔和在停止孔中的均匀透射率分布的连续控制。 在第一实施例中,致动器的驱动区域被分成ND控制区域和孔径控制区域。 这使得可以通过单个致动器独立地控制F数和ND步数。