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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 13. Отображено 13.
07-06-2012 дата публикации

ELASTIC WAVE DEVICE AND METHOD FOR MANUFACTURING SAME

Номер: WO2012073871A1
Автор: KANDO, Hajime, KIDO, Syunsuke, OKADA, Keiji, WATANABE, Munehisa
Принадлежит:

Provided is an elastic wave device that is high sonic-speed, is able to suppress the effects of spurious response from modes other than the mode being used, and uses plate waves. An elastic wave device (1) comprising: a supporting layer (2) in which through-hole or a concave part (2a) opening in a top surface is formed; a piezoelectric thin film (4) formed on the supporting layer (2) so as to extend over the concave part (2a) or the through-hole of the supporting layer (2); and an IDT electrode (5) formed on at least one of a top surface and a bottom surface of the piezoelectric thin film (4) in a region of the piezoelectric thin film (4) that extends over the concave part (2a) or the through-hole; the elastic wave gear device using a secondary mode of plate waves having a U1 component as the primary component, the piezoelectric thin film (4) being composed of LiTaO3, and each Euler angle (φ, θ, ψ) of the LiTaO3 being within the range of regions (R1 to R7) enclosed by solid lines in FIGS ...

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Номер записи: 1
02-07-2015 дата публикации

ELASTIC WAVE DEVICE AND FILTER APPARATUS

Номер: WO2015098756A1
Автор: YAMANE, Takashi, IWAMOTO, Hideki, OKADA, Keiji, KIDO, Syunsuke, OTAGAWA, Masanori, HATSUDA, Ippei, ITO, Korekiyo
Принадлежит:

Provided is an elastic wave device capable of effectively suppressing a transverse mode ripple. An elastic wave device (1) wherein IDT electrodes (11-14) are each stacked on a piezoelectric thin film, the IDT electrode (11) has a plurality of first electrode fingers (11c), and a plurality of second electrode fingers (11d), a line connecting the leading ends of the first electrode fingers (11c) or the leading ends of the second electrode fingers (11d) is inclined so as to form an inclination angle (ν) with respect to an elastic wave propagation direction, and the inclination angle (ν) is 0.4-10° inclusive.

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Номер записи: 2
03-10-2019 дата публикации

ELASTIC WAVE RESONATOR AND MULTIPLEXER

Номер: WO2019189634A1
Автор: OTA, Noriyoshi, MICHIGAMI, Akira, OKADA, Keiji
Принадлежит:

Provided is an elastic wave resonator capable of improving both intra- and extra-pass band characteristics when used for a band-pass filter. The elastic wave resonator 1 is provided with a withdrawal-weighted IDT electrode 3 disposed directly or indirectly on a piezoelectric plate 2. The IDT electrode 3 has multiple regions 31 through 33 arranged along the elastic wave propagation direction, and each of the multiple regions 31 through 33 are withdrawal-weighted periodically with at least two periods, where the periodical withdrawal-weighting of at least one of the multiple regions 31, 32, or 33 is different from the periodical withdrawal-weighting of at least another one of the regions 31, 32, or 33.

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Номер записи: 3
01-08-2019 дата публикации

BALLOON CATHETER

Номер: WO2019146171A1
Автор: OKADA Keiji
Принадлежит:

This balloon catheter includes, at the balloon tip thereof, a resin catheter tip portion embedded with a metal or ceramic hard member, wherein the hard member is embedded so as to surround an insertion hole provided on the catheter tip portion.

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Номер записи: 4
15-08-2019 дата публикации

LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, DISPLAY DEVICE, AND ELECTRONIC APPARATUS

Номер: WO2019155962A1
Автор: SHIMADA, Ryo, AYABE, Takahiro, KUROKAWA, Takafumi, OKADA, Keiji
Принадлежит:

Disclosed is a planar light guide plate having, on the side surface thereof, a light input surface from which light is inputted, said light guide plate outputting, from a light output surface, the light having been inputted from the light input surface. The light guide plate is provided with: a plurality of diffuse reflection sections, which are discretely provided on the light output surface, and which diffusely reflect light; and a plurality of protruding strips, which are provided on the surface on the reverse side of the light output surface, and which extend in the perpendicular direction with respect to the light input surface when viewed from the normal direction of the surface on the reverse side of the light output surface.

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Номер записи: 5
03-10-2019 дата публикации

SOLID OXIDE FUEL CELL

Номер: WO2019186959A1
Автор: OKADA, Keiji, ICHIHARA, Keiji
Принадлежит:

... [Problem] To provide a fuel cell that can prevent an excessive compression load from being applied on an electrolyte electrode conjugant while preventing an increase in size. [Solution] This fuel cell 1 has a fuel cell stack 10, a casing 20, an application member 50, and a promoting means 60. The promoting means has a spatial section 62 provided between an upper current collecting plate 41 and the casing. The upper current collecting plate and the casing are coupled at inclined faces 20a and 41a.

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Номер записи: 6
02-05-2013 дата публикации

SURFACE ACOUSTIC WAVE DEVICE

Номер: WO2013061926A1
Автор: KANDO, Hajime, OKADA, Keiji
Принадлежит:

Provided is a surface acoustic wave device wherein it is possible to adjust the band width without connecting an additional capacitance and the propagation loss is sufficiently low. A surface acoustic wave device (1) wherein multiple surface acoustic wave elements (2, 3) are formed using a piezoelectric body (4) having the same cut angle, the propagation direction (X1) of the surface acoustic waves of at least one of the surface acoustic wave elements (2) is different from the propagation direction (X2) of the surface acoustic waves of the other surface acoustic wave element (3), and a confinement layer (12) for confining the surface acoustic waves on the side of the piezoelectric body (4) is formed on the surface of the surface acoustic wave elements (2, 3) that is on the opposite side of the electrode formation surface of the piezoelectric body (4).

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Номер записи: 7
22-06-2017 дата публикации

FUEL CELL SYSTEM AND CONTROL METHOD FOR FUEL CELL SYSTEM

Номер: WO2017104316A1
Автор: OKADA, Keiji, YAJIMA, Kentarou
Принадлежит:

This fuel cell system comprises: a solid oxide fuel cell receiving the supply of anode gas and cathode gas to generate power; a fuel tank for storing a hydrous fuel that contains water; a fuel supply path whereby the fuel cell and the fuel tank are connected; a reformer provided on the fuel supply path, for reforming the hydrous fuel into the anode gas; a separator provided on the fuel supply path on a more upstream side than the reformer, for separating the water contained in the hydrous fuel; a detection unit provided on a more upstream side than the reformer, for detecting or estimating the ratio of water contained in the hydrous fuel; and a control unit for controlling the separator. The control unit controls the separator on the basis of the water ratio acquired by the detection unit.

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Номер записи: 8
02-06-2016 дата публикации

ELASTIC WAVE DEVICE

Номер: WO2016084526A1
Автор: IWAMOTO, Hideki, OKADA, Keiji, TAKAMINE, Yuichi, TAKAI, Tsutomu
Принадлежит:

Provided is an elastic wave device that can effectively suppress horizontal mode ripple without causing manufacturing steps to become complicated and without causing costs to increase. Provided is an elastic wave device 1. A low acoustic velocity film, a piezoelectric film, and an IDT electrode are stacked on a high acoustic velocity material. An IDT electrode 3 is configured as follows: in at least one of first and second electrode fingers 13, 14, wide width portions 13a-13d, 14a-14d are provided more towards the base end and/or the distal end than a center region of the electrode fingers, the wide width portions being configured so that the width-direction dimensions thereof are larger than the length-direction center thereof; at least one of first and second busbars 11, 12 includes a plurality of openings 15 which are disposed dispersed along the busbar length direction; and at least one of the first and the second busbars 11, 12 includes an inner-side busbar unit 11A that is positioned ...

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Номер записи: 9
18-05-2017 дата публикации

VISCOSITY MODIFIER FOR LUBRICATING OILS, ADDITIVE COMPOSITION FOR LUBRICATING OILS, AND LUBRICATING OIL COMPOSITIONS

Номер: WO2017082182A1
Автор: HAYAKAWA, Akio, YANAGIMOTO, Yasushi, YAMAMOTO, Atsushi, NAKAMURA, Tatsuya, MATSUGI, Tomoaki, OKADA, Keiji
Принадлежит:

... [Problem] To provide a viscosity modifier for lubricating oils and an additive composition for lubricating oils for obtaining a lubricating oil composition having exceptional storage stability at low temperatures and exceptional viscosity characteristics at low temperatures. [Solution] This viscosity modifier for lubricating oils includes a resin (α), wherein the resin (α) satisfies specific requirements and includes a grafted olefin polymer [R1] that is configured from a main chain and a side chain and that satisfies the following requirements (i) and (ii). (i) The main chain comprises a copolymer of ethylene and at least one α-olefin selected from C3-12 α-olefins, and structural units derived from the ethylene are within the range of 74-86 mol%. (ii) The side chain comprises a copolymer of ethylene and at least one α-olefin selected from C3-12 α-olefins, and structural units derived from the ethylene are within the range of 30-65 mol%.

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Номер записи: 10
25-04-2013 дата публикации

FILTER DEVICE FOR CAPTURING EMBOLIC MATERIAL

Номер: WO2013058261A1
Автор: TSUTSUI Nobumasa, TSUTSUI Yasuhiro, DAN Kazunori, OKADA Keiji
Принадлежит:

... [Problem] To provide a filter device for capturing embolic materials that enables the retrograde placement of a filter. [Solution] The filter device (100) for capturing embolic materials mainly comprises a core wire (20) for moving a filter member (40) to a target position in a blood vessel, a guide portion (30) that is formed on the distal tip of the core wire (20) and guides the core wire (20) in the blood vessel, a filter member (40) that is provided on the core wire (20) for capturing blood clots and debris, and a sheath (50) into which the core wire (20) can be inserted.

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Номер записи: 11
29-12-2016 дата публикации

FILTER DEVICE

Номер: WO2016208446A1
Автор: IWAMOTO, Hideki, OKADA, Keiji, TAKAMINE, Yuichi, TAKAI, Tsutomu
Принадлежит:

Provided is a filter device with which transverse mode ripple can be suppressed, insertion loss degradation is inhibited, and an increase in the Q value can be attained. The filter device 1 is provided with: a longitudinally coupled resonator acoustic wave filter 11, which has a plurality of first IDT electrodes 31-39 having a low-acoustic-velocity region on the outside of the center region of the IDT electrodes and a high-acoustic-velocity region on the outside of the low-acoustic-velocity region in the direction orthogonal to the acoustic wave propagation direction, and which functions as a first bandpass filter 5; and acoustic wave resonators 21, 22 electrically connected to the longitudinally coupled resonator acoustic wave filter 11. The acoustic wave resonators 21, 22 have a piezoelectric film comprising LiTaO3, and a high-acoustic-velocity member in which the acoustic velocity of a bulk wave propagating therethrough is higher than the acoustic velocity of an acoustic wave propagating ...

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Номер записи: 12
18-06-2020 дата публикации

STENT AND METHOD FOR PRODUCING STENT

Номер: WO2020121980A1
Автор: OKADA Keiji, NAKAYAMA Masahiro
Принадлежит:

This stent is to be disposed within a blood vessel and is provided with a tubular body comprising a mesh member. The mesh member comprises linear bodies made of a metal. In a cross section of a linear body which forms a portion crossing the axial direction of the tubular body from among the linear bodies, the circumferential edge thereof includes a first intersection and a second intersection which cross a segment corresponding to the maximum width of the linear body, and a third intersection which crosses a segment corresponding to the maximum thickness of the linear body. The first intersection is located on the upstream side of the blood flow within the blood vessel, the second intersection is located on the downstream side of the blood flow within the blood vessel, and the third intersection is located on the inner peripheral side of the tubular body. The first angle formed between the segment connecting the first intersection and the third intersection and the segment corresponding ...

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Номер записи: 13