公开(公告)号：US20140071447A1

公开(公告)日：2014-03-13

申请号：US14081294

申请日：2013-11-15

Applicant: FUJIFILM Corporation

Inventor： Masayuki NAYA ,  Shogo YAMAZOE

IPC: G01N21/65

CPC classification number: G01N21/65 ,  G01N21/658

Abstract: A surface enhanced Raman spectrometry apparatus is constituted by: a transparent substrate; a metal member that causes surface enhanced Raman scattering to occur, formed on a surface of the transparent substrate; a pressing mechanism that presses a sample placed in contact with the metal member against the metal member; a measuring light irradiating optical system that irradiates a measuring light beam onto the sample through the transparent substrate; and a light detecting section that spectrally detects Raman scattered light, which is generated when the measuring light beam is irradiated onto the sample, through the transparent substrate.

Abstract translation: 表面增强拉曼光谱测定装置由透明基板构成， 形成在透明基板的表面上的导致发生表面增强的拉曼散射的金属部件; 将与金属构件接触的试样压靠在金属构件上的按压机构; 测量光照射光学系统，其通过透明衬底将测量光束照射到样品上; 以及光检测部，其通过透明基板光谱地检测当测量光束照射到样品上时产生的拉曼散射光。

公开(公告)号：US20140016127A1

公开(公告)日：2014-01-16

申请号：US14033127

申请日：2013-09-20

Applicant: FUJIFILM Corporation

Inventor： Shogo YAMAZOE ,  Masayuki NAYA ,  Shinya HAKUTA

IPC: G01N21/65 ,  H01S3/30

CPC classification number: H01S3/30 ,  B82Y20/00 ,  G01N21/554 ,  G01N21/648 ,  G01N21/658

Abstract: An optical electrical field enhancing device includes: a transparent substrate having a structure of fine protrusions and recesses on the surface thereof; and a metal structure layer of fine protrusions and recesses formed on the surface of the structure of fine protrusions and recesses. The metal structure layer of fine protrusions and recesses has a structure of fine protrusions and recesses, in which the distances among adjacent protrusions are less than the distances among corresponding adjacent protrusions of the structure of fine protrusions and recesses of the transparent substrate.

Abstract translation: 光学电场增强装置包括：透明基板，其表面具有微细的突起和凹陷的结构; 以及形成在微细突起和凹部的结构的表面上的细小突起和凹陷的金属结构层。 微细突起和凹陷的金属结构层具有细小的突起和凹陷的结构，其中相邻突起之间的距离小于透明基底的细小突起和凹陷的结构的相应的相邻突起之间的距离。

公开(公告)号：US20250003631A1

公开(公告)日：2025-01-02

申请号：US18885817

申请日：2024-09-16

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE ,  Yuichiro ITAI ,  Yoshihiro SUGAWARA

IPC: F24F13/24

Abstract: A ventilation type silencer includes a ventilation channel in which at least a part of a side wall of a flow channel of a gas is formed of a porous sound absorbing material, in which a flow resistance of the sound absorbing material is 1000 Rayls/m or more, porosity of the sound absorbing material on at least a flow channel surface side is 0.9 or less or permeability thereof is 3.0×10−9 m2 or less, and a minimum flow channel width on a cross section perpendicular to a flow direction of the gas in the ventilation channel is 100 mm or less. As a result, the ventilation type silencer is provided, which includes the porous sound absorbing material that can be appropriately selected for the flow channel of the gas in accordance with hydrodynamic characteristics of the sound absorbing material in a case in which the porous sound absorbing material is used in at least a part of the flow channel, that can suppress a pressure loss, and that can reduce a wind noise.

公开(公告)号：US20240393008A1

公开(公告)日：2024-11-28

申请号：US18796970

申请日：2024-08-07

Applicant: FUJIFILM Corporation

Inventor： Shogo YAMAZOE ,  Tomohiro TAKAHASHI ,  Shinya HAKUTA ,  Yuichiro ITAI ,  Yoshihiro SUGAWARA

IPC: F24F13/24

Abstract: There is provided a wind duct with a silencer that can efficiently reduce sound propagated to a blowing target in consideration of noise generated in a wind duct during blowing.
The wind duct with a silencer of the present invention includes the wind duct that is connected to a blowing source and a silencer that reduces sound released from an exit of the wind duct. A frequency of a primary silencing peak of the silencer is lower than a frequency at which intensity of sound generated in the wind duct due to blowing in the wind duct is maximum.

公开(公告)号：US20220389939A1

公开(公告)日：2022-12-08

申请号：US17887119

申请日：2022-08-12

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE ,  Yoshihiro SUGAWARA ,  Akihiko OHTSU

IPC: F04D29/66 ,  F04D29/54 ,  F04D19/00 ,  B64C39/02

Abstract: A fan, and a silencer that silences a sound generated by the fan are provided, in which the silencer has a resonance characteristic, the silencer is disposed at a position connected to a sound field space of the sound generated by the fan, and a sum of an absorbance and a reflectivity of the silencer at a resonance frequency is 10% to 43% and a standardized half-width of the silencer is more than 0.05 and 0.25 or less.

公开(公告)号：US20220357075A1

公开(公告)日：2022-11-10

申请号：US17870267

申请日：2022-07-21

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE ,  Yoshihiro SUGAWARA ,  Akihiko OHTSU

IPC: F24F13/24

Abstract: A silencing device and an air supply system according to an embodiment of the present invention include a resonance silencer provided at a position connected to a space in which the sound source is located within the air supply system in order to silence the noise generated from the sound source in the housing, in which in a case where a resonance wavelength of the resonance silencer alone is denoted by λ, a distance by which the resonance silencer is separated from the sound source is less than λ/2. A fundamental resonance frequency of the resonance silencer is equal to or less than an acoustic upper limit frequency determined according to a size of the housing.

公开(公告)号：US20210012762A1

公开(公告)日：2021-01-14

申请号：US17039072

申请日：2020-09-30

Applicant: FUJIFILM Corporation

Inventor： Akihiko OHTSU ,  Yoshihiro SUGAWARA ,  Shinya HAKUTA ,  Shogo YAMAZOE

IPC: G10K11/172 ,  F24F13/24

Abstract: Provided is a soundproof structure body including an opening member that forms an opening tube line having a cross-sectional area S, and at least two resonance structures for sound waves that are installed inside the opening tube line, and in a case where a cross-sectional area of the resonance structure is defined as Si, a width thereof is defined as di, an interval between the two resonance structures is defined as L, an impedance of the two resonance structures is defined as Zi, and a synthetic acoustic impedance is defined as Zc, a condition of Expression (1) is satisfied at a resonance frequency f0 at which a theoretical absorption value At is a maximum value. This soundproof structure body can realize high absorption using a plurality of resonance structures. At (f0, L, S, Si, di, Zi)>0.75  (1), Here, L>0, S>0, Si (i=1, 2)>0, di (i=1, 2)>0

公开(公告)号：US20200342844A1

公开(公告)日：2020-10-29

申请号：US16925653

申请日：2020-07-10

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE

IPC: G10K11/172

Abstract: Provided is a soundproof structure that is small and light and can reduce a noise with a high specific frequency of a sound source at a plurality of frequencies at the same time. A soundproof structure includes a plate-like member in which at least one through-hole is formed, a membrane-like member that is disposed to face one surface of the plate-like member, and a support that is formed of a rigid body and supports the plate-like member and the membrane-like member, in which the membrane-like member is supported by the support so as to perform membrane vibration, in which a first space is provided between the plate-like member and the membrane-like member, in which a rear surface space is provided on a side opposite to the first space with the membrane-like member sandwiched therebetween, in which the membrane-like member, the support, and the rear surface space form a first sound absorbing portion that absorbs a sound by membrane vibration, in which the plate-like member having the through-hole, the support, the membrane-like member, and the first space form a second sound absorbing portion that absorbs a sound by Helmholtz resonance, and in which assuming that a fundamental frequency of the Helmholtz resonance in a case where the membrane-like member is regarded as the rigid body in the second sound absorbing portion is fh1 and a fundamental frequency of the membrane vibration of the second sound absorbing portion is denoted by fm1, fh1≥2×fm1 is satisfied.

公开(公告)号：US20200243058A1

公开(公告)日：2020-07-30

申请号：US16851655

申请日：2020-04-17

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Takafumi HOSOKAWA ,  Shogo YAMAZOE

IPC: G10K11/162 ,  G10K11/172

Abstract: Provided is a soundproof structure that is small and light and can sufficiently reduce noise with a high natural frequency of a sound source. There is provided a soundproof structure including a frame having an opening, and at least one membrane-like member fixed to an opening surface where the opening of the frame is formed, in which a rear surface space is formed to be surrounded by the frame and the membrane-like member, and a sound is absorbed due to vibration of the membrane-like member, and a sound absorption coefficient of the vibration of the membrane-like member at a frequency in at least one high-order vibration mode existing at frequencies of 1 kHz or higher is higher than a sound absorption coefficient at a frequency in a fundamental vibration mode.

公开(公告)号：US20200219475A1

公开(公告)日：2020-07-09

申请号：US16825950

申请日：2020-03-20

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE ,  Akihiko OHTSU

IPC: G10K11/162 ,  G10K11/172

Abstract: Provided is a soundproof structure that can obtain high soundproofing performance and suitably maintain characteristics of a forming material. A soundproof structure includes: a microperforated sheet having a plurality of through-holes penetrating in a thickness direction, in which an average opening diameter of the through-holes in a main surface of the microperforated sheet is 0.1 μm or more and less than 100 μm, at least some of the plurality of through-holes are a through-hole A that has a shape having an internal maximum hole diameter, and in the through-hole A, assuming that a minimum hole diameter is ϕ1 and a maximum hole diameter is ϕ2, 1