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公开(公告)号：US10959628B2
公开(公告)日：2021-03-30
申请号：US16845708
申请日：2020-04-10
Inventor： Hisashi Watanabe
IPC: A61B5/026 , G06K9/20 , H04N9/083 , A61B5/00 , A61B5/16 , G06K9/00 , H04N9/04 , A61B5/021 , A61B5/1455 , H04N5/33 , H04N13/239
Abstract: A biological information detection device includes a light source, an image capturing device, and one or more arithmetic circuits. The light source projects dots formed by light onto a target including a living body. The image capturing device includes photodetector cells and generates an image signal representing an image of the target onto which the dots are projected. The one or more arithmetic circuits detect a portion corresponding to at least a part of the living body in the image by using the image signal and calculate biological information of the living body by using image signal of the portion.
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公开(公告)号：US10653328B2
公开(公告)日：2020-05-19
申请号：US15628679
申请日：2017-06-21
Inventor： Hisashi Watanabe
IPC: A61B5/00 , G06K9/20 , H04N9/04 , A61B5/026 , A61B5/16 , G06K9/00 , A61B5/021 , A61B5/1455 , H04N5/33 , H04N9/083 , H04N13/239
Abstract: A biological information detection device includes a light source, an image capturing device, and one or more arithmetic circuits. The light source projects dots formed by light onto a target including a living body. The image capturing device includes photodetector cells and generates an image signal representing an image of the target onto which the dots are projected. The one or more arithmetic circuits detect a portion corresponding to at least a part of the living body in the image by using the image signal and calculate biological information of the living body by using image signal of the portion.
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公开(公告)号：US10212401B2
公开(公告)日：2019-02-19
申请号：US15841513
申请日：2017-12-14
Inventor： Satoshi Sato , Takeo Azuma , Kunio Nobori , Hisashi Watanabe , Takamasa Ando , Nobuhiko Wakai
IPC: H04N9/04 , H01L27/146 , G02F1/1335 , G02B5/04 , G02B5/20 , G02B5/02 , H04N9/73 , H04N9/083
Abstract: An imaging system serving as an image generation device is provided with: a random optical filter array that has a plurality of types of optical filters and a scattering unit; photodiodes that receive light transmitted through the random optical filter array; an AD conversion unit that converts the light received by the photodiodes, into digital data; and a color image generation circuit that generates an image, using the digital data and modulation information of the random optical filter array, in which the scattering unit is located between the plurality of types of optical filters and the photodiodes, and in which the scattering unit includes a material having a first refractive index, and a material having a second refractive index that is different from the first refractive index.
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公开(公告)号：US10014335B2
公开(公告)日：2018-07-03
申请号：US14426810
申请日：2013-08-14
Inventor： Hisashi Watanabe
IPC: H04N5/33 , H01L27/146 , G01J3/51 , H04N9/04
CPC classification number: H01L27/14621 , G01J3/513 , H01L27/1462 , H01L27/14627 , H04N5/33 , H04N5/332 , H04N9/045
Abstract: A solid-state imaging device includes: a color filter layer which includes filters disposed above light receiving portions of a semiconductor substrate in one-to-one correspondence; and an infrared cut filter layer having an infrared cut wavelength at which transmittance is 50% or less and which ranges from 610 nm to 710 nm, wherein the filters include a visible light transmission filter which transmits visible light, and an infrared transmission filter having an infrared transmission wavelength at which transmittance is 50% or more and which ranges from 590 nm to 690 nm, and the infrared cut filter layer has an opening above one of the light receiving portions above which the infrared transmission filter is disposed, and is disposed above one of the light receiving portions above which the visible light transmission filter is disposed.
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