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    OPTICAL FILTER
    2.
    发明申请
    OPTICAL FILTER 审中-公开
    光学过滤器

    公开(公告)号：US20160170108A1

    公开(公告)日：2016-06-16

    申请号：US14965628

    申请日：2015-12-10

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Suguru Kawabata ,  Takashi Nakano ,  Kazuhiro Natsuaki ,  Masaaki Uchihashi ,  Masayo Uchida

    IPC: G02B5/28 ,  G02B5/00

    CPC classification number: G02B5/288 ,  G02B5/008

    Abstract: An optical filter is provided. The optical filter includes a plurality of metal layers, and a dielectric body layer disposed between two adjacent metal layers of the plurality of metal layers. Each of the plurality of metal layers is formed with a plurality of slits, and the plurality of slits formed in one of the adjacent metal layers do not overlap with the plurality of slits formed in the other of the adjacent metal layers in a normal direction of the adjacent metal layers.

    Abstract translation: 提供了一种滤光器。 滤光器包括多个金属层，以及设置在多个金属层的两个相邻金属层之间的电介质体层。 多个金属层中的每一个形成有多个狭缝，并且形成在相邻的金属层之一中的多个狭缝不与形成在另一个相邻金属层中的多个狭缝在正常方向上重叠 相邻的金属层。

    OPTICAL FILTER
    3.
    发明申请
    OPTICAL FILTER 审中-公开
    光学过滤器

    公开(公告)号：US20150301236A1

    公开(公告)日：2015-10-22

    申请号：US14646033

    申请日：2013-11-29

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Takashi Nakano

    IPC: G02B5/00 ,  G02B5/28

    CPC classification number: G02B5/008 ,  G02B5/1809 ,  G02B5/201 ,  G02B5/28 ,  G02B5/285

    Abstract: An object is to improve wavelength selectivity of an optical filter which selects a wavelength of incident light. Accordingly, an optical filter is the filter that selects a wavelength of incident light and includes a multilayer film which includes three or more thin metal films by alternately laminating each thin metal film and a dielectric film, and apertures which pass through the multilayer film, and are arranged with a period of less than the wavelength of the incident light.

    Abstract translation: 目的是提高选择入射光波长的滤光器的波长选择性。 因此，滤光器是选择入射光波长的滤光器，并且包括通过交替层叠每个薄金属膜和电介质膜以及穿过多层膜的孔而包括三个或更多个金属薄膜的多层膜，以及 被布置成具有小于入射光的波长的周期。

    Image capturing apparatus
    5.
    发明授权
    Image capturing apparatus 有权

    公开(公告)号：US10481313B2

    公开(公告)日：2019-11-19

    申请号：US16095303

    申请日：2017-03-08

    Applicant: SHARP KABUSHIKI KAISHA

    Inventor： Daisuke Honda ,  Takashi Nakano ,  Suguru Kawabata ,  Takahiro Takimoto ,  Kazuhiro Natsuaki ,  Masayo Uchida ,  Masaaki Uchihashi

    IPC: G02B5/30 ,  H01L27/146

    Abstract: An image capturing apparatus that includes a polarizing filter of a slit type in which polarization characteristics are improved is realized. A polarizing unit (10) of an image capturing apparatus (100) includes a first polarizer layer (120a) and a second polarizer layer (120b) that hold a dielectric layer (14) therebetween, and a plurality of slits (13) that are arranged at regular intervals in a predetermined direction are formed in each of the first polarizer layer (120a) and the second polarizer layer (120b). A forming material of each of the first polarizer layer (120a) and the second polarizer layer (120b) and a forming material of a wiring layer that controls an operation of a light receiving unit (11) are selected from Al, Si, Cu, Au, Ag, Pt, W, Ti, Sn, In, Ga, Zn, and a compound or alloy that contains at least one of the foregoing.

    Maturity determination device and maturity determination method
    9.
    发明授权
    Maturity determination device and maturity determination method 有权

    公开(公告)号：US10304179B2

    公开(公告)日：2019-05-28

    申请号：US15640754

    申请日：2017-07-03

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Rieko Ogawa ,  Takashi Nakano ,  Mitsuru Nakura ,  Daiichiro Nakashima

    IPC: G06K9/00 ,  G06T7/00 ,  A01D75/00 ,  A01D91/04 ,  A01D46/30

    Abstract: A maturity determination device includes an image capturing device including a plurality of pixels arrayed one-dimensionally or two-dimensionally, the image capturing device performing image capturing of at least a part of a fruit or vegetable product to acquire an image, the plurality of pixels including a plurality of first pixels each including a first light transmission filter selectively transmitting light of a first wavelength band, the intensity of the light of the first wavelength band reflected by the fruit or vegetable product varying in accordance with a maturity level; and a signal processing circuit configured to find an area size ratio of an intensity distribution of the light of the first wavelength band on the basis of a predetermined reference value based on a pixel value obtained from the plurality of first pixels, and to generate maturity determination information in accordance with the area size ratio.

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