公开(公告)号：US20200184942A1

公开(公告)日：2020-06-11

申请号：US16787262

申请日：2020-02-11

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE

IPC: G10K11/168 ,  G10K11/172 ,  E04B1/86

Abstract: An object is to provide a soundproof structure body and a sound absorbing panel that can obtain a high soundproofing performance in a wide frequency band, achieve miniaturization, and be used in various environments. A soundproof structure body includes three or more sheet members each having a plurality of through-holes that penetrate the sheet member in a thickness direction, in which an average opening diameter of the through-holes is 1 μm or more and 250 μm or less, the three or more sheet members are laminated in the thickness direction to be spaced apart from each other, and an inter-sheet distance of the sheet members adjacent to each other is 0.1 mm or more and 10 mm or less.

公开(公告)号：US20200024845A1

公开(公告)日：2020-01-23

申请号：US16583546

申请日：2019-09-26

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Shogo YAMAZOE ,  Yuichi KASUYA

IPC: E04B1/86 ,  G10K11/172 ,  B32B7/02 ,  G10K11/162 ,  B32B15/04

Abstract: There are provided a soundproof structure, which can have high soundproofing performance in a wide frequency band and in which visual recognition of through-hole can be suppressed, and a sound absorbing panel and a sound adjusting panel using the soundproof structure. A sheet member having a plurality of through-holes passing therethrough in a thickness direction and a sound absorbing body disposed in contact with one main surface of the sheet member are provided. An average opening diameter of the through-holes is 0.1 μm or more and less than 100 μm. Assuming that the average opening diameter of the through-holes is ϕ (μm) and an average opening ratio is σ a parameter A expressed by A=σ×ϕ+2 is 92 or less.

公开(公告)号：US20190228756A1

公开(公告)日：2019-07-25

申请号：US16283042

申请日：2019-02-22

Applicant: FUJIFILM Corporation

Inventor： Shogo YAMAZOE ,  Shinya HAKUTA ,  Akihiko OHTSU

IPC: G10K11/162

Abstract: There are provided a soundproof structure and an opening structure capable of suppressing degradation of sound absorbing characteristics due to resonance vibration. A micro perforated plate having a plurality of through-holes passing therethrough in the thickness direction and a first frame body, which is disposed in contact with one surface of the micro perforated plate and has a plurality of hole portions, are provided. The opening diameter of the hole portion of the first frame body is larger than the opening diameter of the through-hole of the micro perforated plate. The opening ratio of the hole portion of the first frame body is larger than the opening ratio of the through-hole of the micro perforated plate. The resonance frequency of the micro perforated plate in contact with the first frame body is higher than the audible range.

公开(公告)号：US20190005938A1

公开(公告)日：2019-01-03

申请号：US16124821

申请日：2018-09-07

Applicant: FUJIFILM Corporation

Inventor： Masayuki NAYA ,  Shinya HAKUTA ,  Shogo YAMAZOE

IPC: G10K11/162 ,  E04B1/84 ,  B32B5/26 ,  B32B37/12

CPC classification number: G10K11/162 ,  B32B5/26 ,  B32B37/1292 ,  B32B2307/102 ,  B60R13/08 ,  E04B1/8409 ,  E04B1/86 ,  E04B1/994 ,  E04B2001/8433 ,  E04B2001/8447 ,  G10K11/172

Abstract: There is provided a soundproof structure that can selectively block sound having a specific frequency emitted from equipment, automobiles, and general households and can change the cutoff frequency of the sound in accordance with a change in the frequency of sound to be blocked. The above problem is solved by providing a laminated film, in which two or more films each including one or more holes drilled therein are laminated, and two rigid frames, which fix the laminated film so as to be interposed from both sides of the laminated film, and making at least parts of the one or more holes in the respective films of the laminated film overlap each other.

公开(公告)号：US20160003988A1

公开(公告)日：2016-01-07

申请号：US14849932

申请日：2015-09-10

Applicant: FUJIFILM CORPORATION

Inventor： Shogo YAMAZOE

IPC: G02B5/00

CPC classification number: G02B5/008 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  G01N21/554

Abstract: In an optical field enhancement device in which localized plasmon is induced on a surface through illumination of excitation light and intensity of signal light emitted, by the illumination, from a sample placed on the surface is enhanced, forming sharp-edged petal-like fine uneven structures disposed at random on a substrate, and forming plate-like metal fine structures on tip portions of the sharp-edged petal-like fine uneven structures by depositing a metal from an oblique direction with respect to a direction perpendicular to a plane of the substrate on which the sharp-edged petal-like fine uneven structures are formed.

Abstract translation: 在光场增强装置中，通过激发光的照射和发出的信号光的强度在表面上诱导局部等离子体激元，通过照明，从放置在表面上的样品得到增强，形成锋利的花瓣状细微不均匀 在衬底上随意设置的结构，并且通过相对于垂直于衬底的平面的方向从倾斜方向沉积金属，在尖锐的花瓣状微细凹凸结构的尖端部分上形成板状金属细微结构 在其上形成尖锐的花瓣状细小的不均匀结构。

公开(公告)号：US20150153284A1

公开(公告)日：2015-06-04

申请号：US14619347

申请日：2015-02-11

Applicant: FUJIFILM Corporation

Inventor： Masayuki NAYA ,  Shogo YAMAZOE

IPC: G01N21/65 ,  G01N21/01

CPC classification number: G01N21/658 ,  G01N21/01 ,  G01N2201/02 ,  G01N2201/06113

Abstract: An optical field enhancement device that generates an enhanced optical field on a surface of a metal film by an optical field enhancement effect of localized plasmon induced on the surface of the metal film by light projected onto a nanostructure on which the metal film is formed, the device including a transparent substrate having a transparent nanostructure on a surface, a metal film formed on a surface of the nanostructure, and a support member for supporting a subject at a position spaced apart from the surface of the metal film.

Abstract translation: 一种光场增强装置，其通过投射到其上形成有金属膜的纳米结构上的光而在金属膜的表面上诱导的局部等离子体激元的光场增强效应，在金属膜的表面上产生增强的光场， 包括在表面上具有透明纳米结构的透明基板，形成在纳米结构的表面上的金属膜，以及用于在与金属膜的表面间隔开的位置处支撑被检体的支撑部件。

公开(公告)号：US20240280290A1

公开(公告)日：2024-08-22

申请号：US18626454

申请日：2024-04-04

Applicant: FUJIFILM Corporation

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

IPC: F24F13/24 ,  F24F13/02

CPC classification number: F24F13/24 ,  F24F13/02

Abstract: Provided is an air passage type silencer that can reduce pressure loss even in a case where the flow rate of a gas flowing in the air passage type silencer is high. An air passage type silencer includes an inlet-side ventilation pipe, an expansion portion that communicates with the inlet-side ventilation pipe and of which a cross-sectional area is larger than a cross-sectional area of the inlet-side ventilation pipe, and an outlet-side ventilation pipe that communicates with the expansion portion and of which a cross-sectional area is smaller than the cross-sectional area of the expansion portion. A level difference d satisfies Equation (1): d≥100 μm, satisfies Equation (2): d≤25×Sa+193 μm in a case where an arithmetic average height Sa is equal to or smaller than 50 μm, and satisfies Equation (3): d≤1450 μm in a case where the arithmetic average height Sa exceeds 50 μm, where Sa (μm) is an arithmetic average height of a surface on a central side in the expansion portion and d (μm) is an average value of level differences between a ventilation pipe interior wall and the surface on the central side at at least one of a connection portion between the expansion portion and the inlet-side ventilation pipe or a connection portion between the expansion portion and the outlet-side ventilation pipe.

公开(公告)号：US20240255176A1

公开(公告)日：2024-08-01

申请号：US18631467

申请日：2024-04-10

Applicant: FUJIFILM Corporation

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

IPC: F24F13/24

CPC classification number: F24F13/24 ,  F24F2013/242

Abstract: An object is to provide a ventilation system that can suppress generation of a pressure loss and wind noise in a silencer.
The ventilation system of the present invention has the silencer disposed at an intermediate position of a ventilation path. In a housing of the silencer, an in-housing ventilation path extending from an inlet opening to an outlet opening is surrounded by a sound absorbing member. The ventilation path has a first ventilation path that is adjacent to the inlet opening and that is continuous to the in-housing ventilation path and a second ventilation path that is adjacent to the outlet opening and that is continuous to the in-housing ventilation path. The farther from the in-housing ventilation path, the smaller a size of a cross section of at least one ventilation path of the first ventilation path or the second ventilation path. A size of a cross section of an end of at least one of the ventilation paths on an in-housing ventilation path side and a size of an opening of the inlet opening or the outlet opening, which is adjacent to the end, are identical to each other.

公开(公告)号：US20240003275A1

公开(公告)日：2024-01-04

申请号：US18469270

申请日：2023-09-18

Applicant: FUJIFILM Corporation

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

IPC: F01N1/04

CPC classification number: F01N1/04 ,  F01N2490/16 ,  F01N2490/18

Abstract: To provide an air passage type silencer and an acoustic impedance change structure of which the absorbance is high, that suppresses generation of a wind noise, and that has a high sound attenuation effect in a low-frequency band. Provided is an acoustic impedance change structure through which a sound propagates, the acoustic impedance change structure including at least in this order: a first impedance matching region that is connected to an inlet portion and in which an acoustic impedance gradually decreases; an acoustic impedance constancy region; and an outlet portion, in which Zcham

公开(公告)号：US20220018363A1

公开(公告)日：2022-01-20

申请号：US17488853

申请日：2021-09-29

Applicant: FUJIFILM Corporation

Inventor： Shinya HAKUTA ,  Akihiko OHTSU ,  Shogo YAMAZOE

IPC: F04D29/66 ,  G10K11/172 ,  G10K11/162 ,  F04D29/52

Abstract: A fan silencing system includes a fan, and an acoustic resonance structure, in which the acoustic resonance structure is disposed in a near field region of a sound generated by the fan.