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    • 1. 发明授权
    • Prism and method for producing the same
    • 棱镜及其制造方法
    • US07075740B2
    • 2006-07-11
    • US10507086
    • 2003-03-05
    • Hirokazu TakeuchiNagaharu NakajimaTadashi SetoMitsutaka Nakae
    • Hirokazu TakeuchiNagaharu NakajimaTadashi SetoMitsutaka Nakae
    • G02B5/04
    • G02B17/006C03B23/047C03B33/06G02B5/04G02B19/0019G02B19/0033
    • A prism is produced by the steps of feeding a glass base material into a heating furnace, the glass base material having surfaces to be prism surfaces after forming, the Ra value of the surface roughness of the surface being less than the Ra value corresponding to #170, the glass base material having a predetermined dimensional ratio, grasping the glass base material with feeding means, and feeding the glass base material into a heating furnace to heat the glass base material to a temperature so that a minimum viscosity of the glass base material becomes equal to or more than 104 Pa·s and less than 106 Pa·s, drawing and forming the lower portion of the glass base material, and then cutting the glass base material to obtain a longer body having a desired dimension and prism surfaces with the Ra value of the surface roughness equal to or less than a quarter of the wavelength of incident light, and cutting the longer body into desired length.
    • 通过以下步骤制造棱镜:将玻璃基材进料到加热炉中,玻璃基材在成形后具有作为棱镜面的表面,表面粗糙度的Ra值小于对应于# 170,具有预定尺寸比的玻璃基材,用进料装置夹持玻璃基材,并将玻璃基材进料到加热炉中以将玻璃基材加热到使玻璃基材的最小粘度 变成等于或大于10 4 Pa.s和小于10 6 Pa.s,拉制和形成玻璃基材的下部,然后切割 玻璃基材,以获得具有所需尺寸的长体和具有等于或小于入射光波长的四分之一的表面粗糙度的Ra值的棱镜表面,并将较长体切割成所需长度。
    • 2. 发明申请
    • Prism and method for producing the same
    • 棱镜及其制造方法
    • US20050122601A1
    • 2005-06-09
    • US10507086
    • 2003-03-05
    • Hirokazu TakeuchiNagaharu NakajimaTadashi SetoMitsutaka Nakae
    • Hirokazu TakeuchiNagaharu NakajimaTadashi SetoMitsutaka Nakae
    • C03B23/047C03B33/06G02B5/04
    • G02B17/006C03B23/047C03B33/06G02B5/04G02B19/0019G02B19/0033
    • A prism is produced by the steps of feeding a glass base material into a heating furnace, the glass base material having surfaces to be prism surfaces after forming, the Ra value of the surface roughness of the surface being less than the Ra value corresponding to #170, the glass base material having a predetermined dimensional ratio, grasping the glass base material with feeding means, and feeding the glass base material into a heating furnace to heat the glass base material to a temperature so that a minimum viscosity of the glass base material becomes equal to or more than 104 Pa·s and less than 106 Pa·s, drawing and forming the lower portion of the glass base material, and then cutting the glass base material to obtain a longer body having a desired dimension and prism surfaces with the Ra value of the surface roughness equal to or less than a quarter of the wavelength of incident light, and cutting the longer body into desired length.
    • 通过以下步骤制造棱镜:将玻璃基材进料到加热炉中,玻璃基材在成形后具有作为棱镜面的表面,表面粗糙度的Ra值小于对应于# 170,具有预定尺寸比的玻璃基材,用进料装置夹持玻璃基材,并将玻璃基材进料到加热炉中以将玻璃基材加热到使玻璃基材的最小粘度 变成等于或大于10 4 Pa.s和小于10 6 Pa.s,拉制和形成玻璃基材的下部,然后切割 玻璃基材,以获得具有所需尺寸的长体和具有等于或小于入射光波长的四分之一的表面粗糙度的Ra值的棱镜表面,并将较长体切割成所需长度。
    • 4. 发明授权
    • Optical collimator-use lens component, optical collimator, and method of assembling these
    • 光学准直透镜组件,光学准直仪及其组装方法
    • US07231115B2
    • 2007-06-12
    • US10503739
    • 2003-02-21
    • Tadashi SetoMasaaki KadomiHirokazu TanakaHirokazu TakeuchiShintaro Ito
    • Tadashi SetoMasaaki KadomiHirokazu TanakaHirokazu TakeuchiShintaro Ito
    • G02B6/32
    • G02B6/32G02B6/264G02B6/327
    • Disclosed is an optical collimator-use lens component including: a thin tube; a partially spherical lens that has been fixed in an inner hole of the thin tube so that an insertion portion having a predetermined length is left, is made of glass whose refractive index is approximately uniform, and has translucent spherical surfaces, whose centers of curvature are approximately the same, at both ends of a cylindrical portion of the partially spherical lens; and an adhesive that bonds the partially spherical lens to the thin tube. An axial deviation amount between a center axis of the thin tube and an optical axis of the partially spherical lens is 5 μm or less. When a capillary tube, in whose inner hole an optical fiber has been fixed and whose axial deviation amount between an outer peripheral surface of the capillary tube and a core center of an end surface of the optical fiber is 1.5 μm or less, is inserted into the insertion portion of the thin tube and the end surface of the optical fiber is fixed at a position at which a distance of the end surface to a focal point position of the partially spherical lens becomes ±40 μm or less, emission light has an emission light bend of 0.2° or less with respect to the center axis of the thin tube.
    • 公开了一种光学准直透镜用透镜部件,包括:细管; 已经固定在细管的内孔中以使得具有预定长度的插入部分留下的部分球面透镜由折射率近似均匀的玻璃制成,并且具有半透明的球面,其曲率中心为 大致相同,在部分球面透镜的圆柱形部分的两端; 以及将部分球形的透镜粘合到细管的粘合剂。 细管的中心轴与部分球面透镜的光轴之间的轴向偏移量为5μm以下。 当其内孔中已固定有光纤的毛细管,其毛细管的外周面与光纤的端面的核心中心之间的轴向偏移量为1.5μm以下时,插入 细管的插入部和光纤的端面固定在部分球面透镜的端面与焦点位置的距离为±40μm以下的位置,发光具有发光 相对于细管的中心轴为0.2°以下的光弯曲。
    • 5. 发明申请
    • Optical collimator-use lens component, optical collimator, and method of assembling these
    • 光学准直透镜组件,光学准直仪及其组装方法
    • US20050123240A1
    • 2005-06-09
    • US10503739
    • 2003-02-21
    • Tadashi SetoMasaaki KadomiHirokazu TanakaHirokazu TakeuchiShintaro Ito
    • Tadashi SetoMasaaki KadomiHirokazu TanakaHirokazu TakeuchiShintaro Ito
    • G02B6/26G02B6/32
    • G02B6/32G02B6/264G02B6/327
    • Disclosed is an optical collimator-use lens component including: a thin tube; a partially spherical lens that has been fixed in an inner hole of the thin tube so that an insertion portion having a predetermined length is left, is made of glass whose refractive index is approximately uniform, and has translucent spherical surfaces, whose centers of curvature are approximately the same, at both ends of a cylindrical portion of the partially spherical lens; and an adhesive that bonds the partially spherical lens to the thin tube. An axial deviation amount between a center axis of the thin tube and an optical axis of the partially spherical lens is 5 μm or less. When a capillary tube, in whose inner hole an optical fiber has been fixed and whose axial deviation amount between an outer peripheral surface of the capillary tube and a core center of an end surface of the optical fiber is 1.5 μm or less, is inserted into the insertion portion of the thin tube and the end surface of the optical fiber is fixed at a position at which a distance of the end surface to a focal point position of the partially spherical lens becomes ±40 μm or less, emission light has an emission light bend of 0.2° or less with respect to the center axis of the thin tube.
    • 公开了一种光学准直透镜用透镜部件,包括:细管; 已经固定在细管的内孔中以使得具有预定长度的插入部分留下的部分球面透镜由折射率近似均匀的玻璃制成,并且具有半透明的球面,其曲率中心为 大致相同,在部分球面透镜的圆柱形部分的两端; 以及将部分球形的透镜粘合到细管的粘合剂。 细管的中心轴与部分球面透镜的光轴之间的轴向偏移量为5μm以下。 当其内孔中已固定有光纤的毛细管,其毛细管的外周面与光纤的端面的核心中心之间的轴向偏移量为1.5μm以下时,插入 细管的插入部和光纤的端面固定在部分球面透镜的端面与焦点位置的距离为±40μm以下的位置,发光具有发光 相对于细管的中心轴为0.2°以下的光弯曲。
    • 6. 发明授权
    • Negative film accumulating apparatus
    • 负膜积累装置
    • US5518229A
    • 1996-05-21
    • US270218
    • 1994-07-01
    • Toshiro TaharaTadashi Seto
    • Toshiro TaharaTadashi Seto
    • B65H29/46B65H31/02
    • B65H31/02B65H29/46B65H2405/1142
    • Disclosed herein is a negative film accumulating apparatus for accumulating therein a plurality of negative films successively fed from a photographic printer or the like. The negative films fed from the previous process such as the photographic printer or the like are placed on a supporter employed in the negative film accumulating apparatus. The rear end of each of the negative films is pressed in the film thickness direction by a pressure block. Each of the negative films thus pressed is accumulated in a holder. The pressure block presses against the negative films each time the negative films are successively delivered. It is therefore possible to accumulate the rear ends of the negative films in the holder in a stack.
    • 这里公开了一种用于在其中累积从照相打印机等连续馈送的多个负片的负片聚集装置。 从先前的方法(例如照相打印机等)馈送的负片放置在负片聚集装置中使用的支持体上。 每个负片的后端通过压力块在膜厚度方向上被压制。 这样按压的每个负片被积聚在保持器中。 每当负片依次传送时,压块压靠负片。 因此,可以将叠片中的保持器中的负片的后端积聚。
    • 7. 发明授权
    • Time-reducing optical fiber connector
    • 降低时间的光纤连接器
    • US5305409A
    • 1994-04-19
    • US966926
    • 1992-10-27
    • Jyunji FujikawaTadashi Seto
    • Jyunji FujikawaTadashi Seto
    • G02B6/255G02B6/38
    • G02B6/3803G02B6/3855G02B6/3867G02B6/3878
    • A permanent optical fiber connector which makes it possible to connect and fix optical fibers (A) in some seconds. This connector comprises a base part (B) including a base body (4) made of a material of low expansion coefficient having a pair of opposed locking elements (7) and one or more capillary tubes (5) bonded to the base body and having an inner diameter slightly greater than the cladding of an optical fiber, and an optical fiber pressing part (C) including a pressing body (21) made of a material of low expansion coefficient and adapted to fit between the locking elements (7) of the base body to be embraced thereby and elastic bodies (22) attached to the lower surface of the pressing body, said pressing body (21) being embraced between the locking elements (7) of the base body, whereby the optical fiber pressing part (C) presses the covers (3) and optical fiber bodies (2) of the optical fibers (A) against the base part (B) to fix them to the latter.
    • 一种永久性光纤连接器,其可以在几秒钟内连接和固定光纤(A)。 该连接器包括:基部(B),其包括由具有一对相对的锁定元件(7)和一个或多个毛细管(5)的由低膨胀系数的材料制成的基体(4),所述一个或多个毛细管(5) 内径稍大于光纤的包层,以及包括由膨胀系数低的材料构成的按压体(21)的光纤按压部(C),并且适于配合在 基体和其附接到按压体的下表面的弹性体(22),所述按压体(21)包围在基体的锁定元件(7)之间,由此光纤按压部(C )将光纤(A)的盖(3)和光纤体(2)压靠在基部(B)上,以将它们固定在其上。
    • 9. 发明授权
    • Film supplying apparatus
    • 电影供应装置
    • US5153639A
    • 1992-10-06
    • US831111
    • 1992-02-04
    • Toshiro TaharaSeiji MakinoTadashi SetoIzumi SetoShigeru YoshinoMatsuyuki Miwa
    • Toshiro TaharaSeiji MakinoTadashi SetoIzumi SetoShigeru YoshinoMatsuyuki Miwa
    • G03B27/62
    • G03B27/6285
    • A film supplying apparatus includes a holding member for holding the vicinity of leading end portions of strips of negative film placed therein in a superposed state with a longitudinal direction of the negative film set in a curved configuration, and a pressing device for pressing an innermost ones, as viewed in a curved state, of the strips of negative film against a feed roller via the holding member. Accordingly, as the feed roller is rotated in the negative film feeding direction, the strips of film starting with the innermost one, as viewed in the curved state, of the strips of negative film are consecutively fed to a printer. In this case, since a force acting in a direction in which the curved shape of the film is reduced is applied to the negative film being fed, no large friction occurs with respect to the remaining film.
    • 薄膜供给装置包括:保持构件,用于将负片的纵向方向的叠置状态放置在其中的负片的前端部附近保持为弯曲构造;以及按压装置,用于按压最内侧的 在弯曲状态下,通过保持构件将负片条与馈送辊相对。 因此,当进给辊在负片进给方向上旋转时,从弯曲状态看最内侧的薄膜条连续供给打印机。 在这种情况下,由于作用在膜的弯曲形状的方向上的力被施加到被供给的负片上,所以相对于剩余的膜不会发生大的摩擦。