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11. 发明授权

US5155796A Plastic optical fibers 失效
标题翻译：塑料光纤
公开(公告)号：US5155796A
公开(公告)日：1992-10-13
申请号：US798932
申请日：1991-11-29
申请人： Hiroaki Oonishi , Katsuhiko Shimada , Takashi Yamamoto
发明人： Hiroaki Oonishi , Katsuhiko Shimada , Takashi Yamamoto
IPC分类号： G02B1/04
CPC分类号： G02B6/02033 , G02B1/046 , G02B1/048
摘要： A novel all-plastic optical fiber comprising core and clad components which is tough, flexible, and which has a low transmission loss, wherein the core component is composed of a homopolymer or copolymer of a monomer selected from one or more monomers represented by the general formula (I), or a copolymer of the at least one monomer represented by the general formula (I) and other copolymerizable comonomers and which has a glass transition temperature Tg.sub.1 .degree. C.; and wherein the clad component is composed of a copolymer of perfluoro[2,2-dimethyl-1,3-dioxol] and one other ethylenically unsaturated monomer, and which has a glass transition temperature Tg.sub.2 .degree. C.; and which meets the relationship wherein that the absolute difference of .vertline.Tg.sub.1 -Tg.sub.2 .vertline. is not greater than 30.degree. C. ##STR1## (wherein X is CH.sub.3, H, D, F, Cl, or CF.sub.3 ; Y is H or D; and Rf is a fluoroalkyl group having a linear or branched chain).

12. 发明授权

US5080508A Plastic optical fibers 失效
公开(公告)号：US5080508A
公开(公告)日：1992-01-14
申请号：US686939
申请日：1991-04-18
申请人： Hiroaki Onishi , Takashi Yamamoto , Katsuhiko Shimada
发明人： Hiroaki Onishi , Takashi Yamamoto , Katsuhiko Shimada
IPC分类号： G02B6/00 , C08F16/14 , C08F16/24 , G02B1/04
CPC分类号： G02B6/02033 , G02B1/046 , G02B1/048
摘要： A plastic optical fiber comprising a fluorine-containing core polymer consisting essentially of 1) a group (A) of repeating units having a cyclic structure represented by general formula (I) and/or general formula (II); or 2) the group (A) above and group (B) of repeating units represented by general formula (III) wherein the content of the group (A) in the core polymer is at least 80 wt %; and a clad copolymer of perfluoro(2,2-dimethyl-1,3-dioxole) and at least one other ethylenically unsaturated monomer having a refractive index below that of the core polymer. ##STR1## (wherein n is 1 or 2)--CF.sub.2 --CFX (III)(wherein X is F, Cl, O--CF.sub.2 CF.sub.2 CF.sub.3, O--CF.sub.2 CF(CF.sub.3)OCF.sub.2 CF.sub.2 SO.sub.2 F, or O--CF.sub.2 CF.sub.2 CF.sub.2 COOCH.sub.3)This plastic optical fiber has heat-resistance and very few water-absorbing properties, and can transmit not only visible rays but also rays having wavelengths in the near infrared region.

13. 发明授权

US4798445A Plastic optical fiber and process for producing the same 失效
标题翻译：塑料光纤及其制造方法
公开(公告)号：US4798445A
公开(公告)日：1989-01-17
申请号：US847515
申请日：1986-04-03
申请人： Takashi Yamamoto , Katsuhiko Shimada , Ryuji Murata , Yasuteru Tahara , Hiromu Terada , Kenichi Sakunaga
发明人： Takashi Yamamoto , Katsuhiko Shimada , Ryuji Murata , Yasuteru Tahara , Hiromu Terada , Kenichi Sakunaga
IPC分类号： G02B6/00 , B29C47/00 , D01D5/34 , D01F8/16 , G02B1/04 , G02B6/02 , G02B6/16
CPC分类号： G02B6/02033 , B29C47/0014 , D01D5/34 , D01F8/16 , G02B1/046 , B29C47/00
摘要： A plastic optical fiber which is superior in the light transmission characteristics, particularly in those within a visible light region and also superior in heat resistance, and a process for producing the same are provided, which plastic optical fiber comprises a polycarbonate as its core material and a polymer as its cladding material having a refractive index lower than that of the core material, wherein the relationship between the light transmission loss L.sub.500 (dB/km) of the fiber as measured at a wavelength of 500 nm and that as measured at 660 nm being expressed by the following inequality:L.sub.500
摘要翻译：提供了一种塑料光纤，其光传输特性优异，特别是在可见光区域内，并且耐热性优异的塑料光纤及其制造方法，该塑料光纤包含聚碳酸酯作为芯材，作为其包层材料的聚合物，其折射率低于芯材料的折射率，其中在波长500nm测量的光纤的光传输损耗L500（dB / km）与在660nm测量的光传输损耗之间的关系由以下不等式表示：L500

14. 发明授权

US5206926A Plastic optical fiber cords 失效
标题翻译：塑料光纤线
公开(公告)号：US5206926A
公开(公告)日：1993-04-27
申请号：US826464
申请日：1992-01-27
申请人： Takashi Yamamoto , Katsuhiko Shimada , Hiroaki Oonishi
发明人： Takashi Yamamoto , Katsuhiko Shimada , Hiroaki Oonishi
IPC分类号： C08F20/04 , B29C47/00 , C08F20/10 , C08F20/22 , C08F20/24 , G02B6/00 , G02B6/44
CPC分类号： G02B6/4436 , B29C47/0014 , B29C47/00
摘要： A flame retardant plastic optical fiber cord comprising a plastic optical fiber comprising a core and a cladding, and a jacket layer provided on the optical fiber, wherein the jacket layer has an oxygen index of not less than 25 as measured by the method stated in JAPANESE INDUSTRIAL STANDARD K 7201.

15. 发明授权

US5146535A Light-transmitting fiber 失效
标题翻译：透光纤维
公开(公告)号：US5146535A
公开(公告)日：1992-09-08
申请号：US685208
申请日：1991-04-15
申请人： Hisao Anzai , Isao Sasaki , Kozi Nishida , Hideaki Makino , Masami Ohtani , Katsuhiko Shimada
发明人： Hisao Anzai , Isao Sasaki , Kozi Nishida , Hideaki Makino , Masami Ohtani , Katsuhiko Shimada
IPC分类号： G02B6/00 , B29C47/00 , C08F8/32 , C08F8/48
CPC分类号： C08F8/48 , B29C47/00 , B29C47/0009 , C08F2800/20
摘要： A light-transmitting plastic fiber comprising, as a core component, a methacrylimide group-containing polymer prepared by polymerizing methyl methacrylate in the absence of a chain transfer agent and then imidizing the methyl methacrylate polymer thus prepared, and another polymer as a sheath component.
摘要翻译：一种透光塑料纤维，其包含作为核心组分的通过在不存在链转移剂的情况下聚合甲基丙烯酸甲酯然后将由此制备的甲基丙烯酸甲酯聚合物酰亚胺化制备的含甲基丙烯酰亚胺基团的聚合物，以及作为鞘组分的另一种聚合物。

16. 发明授权

US4490077A Apparatus for continuously measuring flow rate of fine material flowing through transport pipe 失效
标题翻译：用于连续测量流过输送管道的精细材料流量的装置
公开(公告)号：US4490077A
公开(公告)日：1984-12-25
申请号：US395969
申请日：1982-07-07
申请人： Katsuhiko Shimada , Koji Nakayama , Tatsuo Sato , Kazuo Saito
发明人： Katsuhiko Shimada , Koji Nakayama , Tatsuo Sato , Kazuo Saito
IPC分类号： G01F1/74 , G01F25/00 , G01G11/14 , G01G13/285 , B65G53/66
CPC分类号： G01F1/74 , G01F25/003 , G01G11/14 , G01G13/2851
摘要： An apparatus for continuously measuring the flow rate of a fine material flowing through a transport pipe, which comprises: an integrator for integrating calculated values of the flow rate of a fine material flowing through a transport pipe, obtained by a flow rate calculating means; a correction controller, said correction controller being adapted to calculate the total weight of the fine material fed during a prescribed period of time while the fine material in a hopper is only decreasing in amount from said hopper into said transport pipe, on the basis of a measured value of the weight of the fine material in said hopper, and to actuate said integrator during said prescribed period of time; a divider for calculating the correction coefficient "k", i.e., the ratio (W/S) of a calculated value (W) obtained by said correction controller to an integrated value (S) obtained by said integrator; and a multiplier for calculating a corrected value of the flow rate of the fine material flowing through said transport pipe, by multiplying said calculated value obtained by said flow rate calculating means with said correction coefficient "k".
摘要翻译：一种用于连续测量流过输送管的细料的流量的装置，包括：积分器，用于积分由流量计算装置得到的流过输送管的细料的流量的计算值; 校正控制器，所述校正控制器适于计算在规定时间段期间馈送的精细材料的总重量，同时料斗中的精细材料仅从所述料斗到所述输送管中的量减少，基于在所述料斗中的精细材料的重量的测量值，并在所述规定的时间段内致动所述积分器; 用于计算校正系数“k”的分频器，即由所述校正控制器获得的计算值（W）与由所述积分器获得的积分值（S）的比（W / S）以及乘法器，用于通过将由所述流量计算装置获得的所述计算值乘以所述校正系数“k”来计算流过所述输送管的细料的流量的校正值。

17. 发明授权

US06842575B2 Optical fiber cord and optical fiber cord with a plug 失效
标题翻译：光纤线和带插头的光纤线
公开(公告)号：US06842575B2
公开(公告)日：2005-01-11
申请号：US10130975
申请日：2000-11-29
申请人： Katsuhiko Shimada , Kazuki Nakamura , Takeshi Kitayama , Takara Yamamoto , Hiroe Kubo
发明人： Katsuhiko Shimada , Kazuki Nakamura , Takeshi Kitayama , Takara Yamamoto , Hiroe Kubo
IPC分类号： C03C25/32 , G02B6/02 , G02B6/245 , G02B6/38 , G02B6/22
CPC分类号： G02B6/3807 , G02B6/02395 , G02B6/245
摘要： The optical fiber cord of the present invention is characterized in having a primary covering layer formed from a polyamide resin that incorporates at least one of an organic acid or an organic acid anhydride on the outer periphery of the optical fiber. In addition, the optical fiber cord with a plug of the present invention has a plug on at least one end of the optical fiber cord of the present invention having a secondary covering layer on the outer periphery, wherein at the end part of the optical fiber cord that has the plug, the primary covering layer is exposed, and the plug is fastened to the exposed primary covering layer. By using the structure described above, an optical fiber cord and an optical fiber cord with a plug that has superior humidity resistance and heat resistance, and in addition can be laid easily in narrow sites because of superior flexibility and is inexpensive. The optical fiber cord and the optical fiber cord with a plug of the present invention can be favorably employed in uses that require thermal resistance such as installation on a vehicle or in factory automation (FA).
摘要翻译：本发明的光纤线的特征在于具有由聚酰胺树脂形成的主覆盖层，该聚酰胺树脂在光纤的外周并入有机酸或有机酸酐中的至少一种。此外，具有本发明的插头的光纤线在本发明的光纤线的至少一端具有在外周上具有次级覆盖层的插头，其中在光纤的端部具有塞子的帘线，主覆盖层被暴露，并且将塞子紧固到暴露的主覆盖层。通过使用上述结构，具有优异的耐湿性和耐热性的插头的光纤线和光纤线，并且由于优异的柔性并且便宜，可以容易地放置在狭窄的位置。具有本发明的插头的光纤线和光纤线可以有利地用于需要耐热性的用途，例如安装在车辆上或在工厂自动化（FA）中。

18. 发明授权

US5963701A Plastic optical fibers and optical fiber cables 失效
标题翻译：塑料光纤和光缆
公开(公告)号：US5963701A
公开(公告)日：1999-10-05
申请号：US945886
申请日：1997-11-14
申请人： Kazuki Nakamura , Jun Okumura , Kikue Irie , Makoto Muro , Jun Kamo , Katsuhiko Shimada
发明人： Kazuki Nakamura , Jun Okumura , Kikue Irie , Makoto Muro , Jun Kamo , Katsuhiko Shimada
IPC分类号： G02B6/00 , B29C47/00 , G02B1/04 , G02B6/44
CPC分类号： G02B6/02033 , G02B1/045 , G02B1/046 , G02B1/048 , B29C47/00 , B29C47/0014 , G02B6/4402 , Y10T428/2933 , Y10T428/2967
摘要： This invention relates to a plastic optical fiber having a three-layer structure comprising a core, a cladding and a protective layer wherein the core material is polymethyl methacrylate and the cladding material is a copolymer composed of 20 to 45% by weight of long-chain fluoroalkyl methacrylate units represented by the following formula (1), 54 to 79% by weight of methyl methacrylate units, and 0.05 to 2% by weight of methacrylic acid units. This invention also relates to a plastic optical fiber cable having a four-layer structure wherein the optical fiber cable is produced by covering the aforesaid optical fiber with a jacket layer.CH.sub.2 .dbd.C(CH.sub.3)--COO--(CH.sub.2).sub.2 (CF.sub.2).sub.7 CF.sub.3(1)
摘要翻译： PCT No.PCT / JP96 / 01270 Sec。 371日期：1997年11月14日 102（e）1997年11月14日日期PCT提交1996年5月15日PCT公布。 WO96 / 36894 PCT出版物日期：1996年11月21日本发明涉及一种具有三层结构的塑料光纤，其包括芯，包层和保护层，其中芯材为聚甲基丙烯酸甲酯，包覆材料为由20〜45％由下式（1）表示的长链氟烷基甲基丙烯酸酯单元，54〜79重量％的甲基丙烯酸甲酯单元和0.05〜2重量％的甲基丙烯酸单元的重量。本发明还涉及一种具有四层结构的塑料光纤电缆，其中通过用夹层覆盖上述光纤来制造光缆.CH 2 = C（CH 3）-COO-（CH 2）2（CF 2） 7CF3（1）

19. 发明授权

US5212762A Plastic-clad silica (PCS) fibers and methods and apparatuses for producing the same 失效
标题翻译：塑料包覆硅石（PCS）纤维及其制造方法和装置
公开(公告)号：US5212762A
公开(公告)日：1993-05-18
申请号：US953201
申请日：1992-09-29
申请人： Katsuhiko Shimada , Tsuneo Takano , Osamu Itamoto , Michisuke Edamatsu , Yasuo Hiromoto
发明人： Katsuhiko Shimada , Tsuneo Takano , Osamu Itamoto , Michisuke Edamatsu , Yasuo Hiromoto
IPC分类号： C03C25/10
CPC分类号： C03C25/105 , G02B6/02033
摘要： A method and apparatus for producing a polymer-clad silica (PCS) optical fiber comprising a core of a transparent inorganic glass and a cladding of a transparent organic polymer characterized in that the amount of volatile components in its cladding is not more than 1 wt %, which method and apparatus comprise forming the core fiber, forming the cladding around the core fiber, and treating the cladding with a far infrared heater.
摘要翻译：一种包含透明无机玻璃芯和透明有机聚合物包层的聚合物包覆二氧化硅（PCS）光纤的方法和装置，其特征在于，其包层中挥发性组分的量不超过1重量％该方法和设备包括形成芯纤维，在芯纤维周围形成包层，并用远红外加热器处理包层。

20. 发明授权

US4247819A Apparatus for surface flaw detection on electrically conductive cylindrical material 失效
标题翻译：导电圆柱形材料表面缺陷检测装置
公开(公告)号：US4247819A
公开(公告)日：1981-01-27
申请号：US943865
申请日：1978-09-19
申请人： Katsuhiko Shimada , Isamu Komine , Hideya Tanabe
发明人： Katsuhiko Shimada , Isamu Komine , Hideya Tanabe
IPC分类号： G01N27/90 , G01N27/82 , G01R33/12
CPC分类号： G01N27/9013 , G01N27/9046
摘要： A surface defect detecting apparatus having at least one sensor block for movement in respect of rotating cylindrically shaped electrically conductive metallic material to be inspected by scanning an outer portion of the surface of the material. The sensor block has spaced guide wheels at front and rear parts thereof in the spiral scanning direction which rotate in response to the rotation of the material; and a coil holder for supporting a plurality of eddy-current flaw detecting coils arranged longitudinally in a row in the direction of movement, intermediate between pairs of guide wheels at the front and rear parts opposite to the outer surface of said material with a predetermined gap therebetween. A turning wheel at each of the front and rear parts of the coil holder is rotatable with respect to the outer surface of the material so as to maintain the predetermined gap.An AC signal of a predetermined frequency applied from an oscillator to the coils produces corresponding eddy currents in material to be inspected. The coils are divided into a first group and a second group with one group of coils being defined by coils other than those coils in an adjoining row to that group, phase shifters feed the AC signal to coils of the first group resulting in a shift in phase by a predetermined amount, as reference signal to detectors formed as phase detectors. The phase detectors are associated with coils of the latter group, with a phase different from that of the AC reference signal respectively applied to a second group of coils and to the phase detectors of the first group of coils.
摘要翻译：一种表面缺陷检测装置，具有至少一个传感器块，用于通过扫描材料表面的外部部分来旋转待检查的圆柱形导电金属材料。传感器块在其螺旋扫描方向的前后部分上具有间隔的引导轮，该导向轮响应材料的旋转而旋转; 以及线圈保持器，用于支撑在运动方向上纵向排成一列的多个涡流探伤线圈，在与所述材料的外表面相反的前部和后部之间的导向轮对之间具有预定间隙之间。线圈架的前后各自的转向轮可相对于材料的外表面旋转，以保持预定的间隙。从振荡器施加到线圈的预定频率的AC信号在待检查的材料中产生相应的涡流。线圈被分成第一组和第二组，其中一组线圈由与该组相邻的行中的那些线圈以外的线圈限定，移相器将AC信号馈送到第一组的线圈，从而导致相位预定量，作为形成为相位检测器的检测器的参考信号。相位检测器与后一组的线圈相关联，其相位不同于分别施加到第二组线圈的AC参考信号和与第一组线圈的相位检测器相位的相位。

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