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Применить Всего найдено 18. Отображено 18.
21-03-2006 дата публикации

Device for cutting optical fiber and a method for cutting optical fiber

Номер: US0007013776B2
Автор: Ryuichi Ishikawa, Kyosuke Harada, Taichi Masuda, ISHIKAWA RYUICHI, HARADA KYOSUKE, MASUDA TAICHI
Принадлежит: Mitsubishi Rayon Co., Ltd., MITSUBISHI RAYON CO, MITSUBISHI RAYON CO., LTD.

An optical fiber cutting device provided with a speed reducing part which transmits drive force by reducing the drive speed of the external drive force, a drive force transmission part which transmits the drive force from the speed reduction part to the cutting blade holder, a cutting blade holder, a cutting blade which is held by the cutting blade holder and moves to the cutting position along with said cutting blade holder, and an optical fiber supporter which supports the optical fiber so as to be perpendicular to said cutting blade at the cutting position.

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Номер записи: 1
22-03-1990 дата публикации

OPTICAL FIBER CORD WITH CONNECTOR

Номер: JP0002082206A
Автор: OKADA HIROSHI, MASUDA TAICHI, SUZUKI SHINGO
Принадлежит:

PURPOSE: To improve quality by caulking a metallic ferrule to an optical fiber cord while the end of the optical fiber cord is held inserted into the ferrule and integrally molding a resin connector to the ferrule so as to cover the ferrule. CONSTITUTION: The metallic ferrule 14 is caulked to the optical fiber cord 11 while at least one end of the optical fiber cord 11 is held inserted therein. The resin connector 15 is integrally molded to the ferrule 14, by which the disconnection of the connector 15 from the optical fiber cord 11 is prevented. The chemical damage of the clad of a coated optical fiber 13 by an adhesive agent and the disconnection of the connector 15 from the optical fiber cord 11 by the difficulty in adhesion of the adhesive agent to the coating layer 12 of the optical fiber cord 11 are obviated in this way. The direct transfer of the heat and pressure at the time of molding of the connector 15 to the optical fiber cord 11 is obviated and the optical fiber cord is hardly ...

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Номер записи: 2
24-09-1991 дата публикации

PRODUCTION OF PHOTOELECTRIC CONVERSION MODULE

Номер: JP0003216607A
Автор: MASUDA TAICHI, SUZUKI SHINGO
Принадлежит:

PURPOSE: To prevent the deviation between respective members and to obviate the damage by crimping pressure and heat to a photoelectric conversion device by exactly disposing and fixing an electromagnetic wave shield case to a prescribed position by solidifying a resin. CONSTITUTION: The electromagnetic wave shield case 20 is inserted into a metallic mold 30 and is put on a shield case holding part 34 projectingly provided in the metallic mold. Further, the electromagnetic wave shield case 20 is crimped by a pin 31 for fixing projectingly provided from the metallic mold part 30b for an optical connector coupling part and a pin 32 for fixing projectingly provided from the metallic mold part 30d for forming a rear part, by which the case is surely fixed. A connector body 45 exactly disposed and fixed with the electromagnetic wave shield case 20 is formed when the molten resin is injected into the metallic mold positioned and fixed with the shield case in such a manner. A photoelectric conversion ...

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Номер записи: 3
25-06-1993 дата публикации

OPTICAL CONNECTOR RECEPTACLE

Номер: JP0005157946A
Автор: MASUDA TAICHI, OKADA HIROSHI
Принадлежит:

PURPOSE: To provide excellent attachment/detachment repetition characteristics without the wearing nor defect of a receptacleside or plug-side engagement part even when an optical connector plug is repeatedly attached to and detached from the optical connector receptacle. CONSTITUTION: The optical connector receptacle 1 is equipped with an insert part 3 which engages the tip part of the inserted optical connector plug and an element storage part 6 where a photoelectric converting element 5 connected optically to the optical fiber 4 at the tip of the optical connector plug is stored; and the insert part 3 has receptacle-side engagement recessed parts 8, engaging engagement projection parts on the optical connector plug side detachably, on its upper and lower side walls 9, and tip-side walls 9' are thin, and elastic nearby the engagement recessed part of the receptacles. COPYRIGHT: (C)1993,JPO&Japio ...

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Номер записи: 4
29-06-1989 дата публикации

MOLD FOR MANUFACTURING OPTICAL FIBER WITH OPTICAL CONNECTOR PLUG

Номер: JP0001166008A
Автор: OKADA HIROSHI, MASUDA TAICHI
Принадлежит:

PURPOSE: To prevent an optical fiber from being damaged by providing optical fiber holding through holes in the center of a resin reservoir at the front end of a gate. CONSTITUTION: A resin reservoir 13 is provided with through holes 14 and 15 where an optical fiber 22 should be held, and a duct 19 consisting of a bridge 17, which is provided for the purpose of preventing the optical fiber from damaged by resin flow, and an optical fiber holding space 18 is coupled to the resin reservoir 13. A connector plug forming resin is fused and passes the resin reservoir 13 from a spool runner 11, and the resin flow is injected into a mold 16 from the bridge part 17 in the axial direction of the optical fiber. Since this resin flow becomes a thin layer flow by the bridge part 17, a fluid shock and a thermal shock to the fiber are relaxed. Thus, a connector plug is closely brought into contact with the outer peripheral surface of the protective layer of the optical fiber to prevent deformation and ...

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Номер записи: 5
29-07-2003 дата публикации

Optical fiber cutting device

Номер: US0006598508B1
Автор: Ryuichi Ishikawa, Kyosuke Harada, Taichi Masuda, ISHIKAWA RYUICHI, HARADA KYOSUKE, MASUDA TAICHI
Принадлежит: Mitsubishi Rayon Co., Ltd., MITSUBISHI RAYON CO, MITSUBISHI RAYON CO., LTD.

An optical fiber cutting device provided with a speed reducing part which transmits drive force by reducing the drive speed of the external drive force, a drive force transmission part which transmits the drive force from the speed reduction part to the cutting blade holder, a cutting blade holder, a cutting blade which is held by the cutting blade holder and moves to the cutting position along with said cutting blade holder, and an optical fiber supporter which supports the optical fiber so as to be perpendicular to said cutting blade at the cutting position. In addition, when a cutting blade with a blade thickness alpha (mm) is used, and said cutting blade is moved at a speed beta (mm/minute) during cutting, alpha and beta fulfill the expression beta<=-253alpha+65.

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Номер записи: 6
25-06-1993 дата публикации

OPTICAL CONNECTOR RECEPTACLE

Номер: JP0005157945A
Автор: MASUDA TAICHI, OKADA HIROSHI
Принадлежит:

PURPOSE: To provide excellent attachment/detachment repetition characteristics without the wearing nor defect of a receptacle-side or plug-side engagement part even when an optical connector plug is repeatedly attached to and detached from the optical connector receptacle. CONSTITUTION: The optical connector receptacle 1 is equipped with an insert part 3 which engages the tip part of the inserted optical connector plug and an element storage part 6 where a photoelectric converting element 5 connected optically to the optical fiber 4 at the tip of the optical connector plug is stored; and the insert part 3 has receptacle-side engagement recessed parts 8, engaging engagement projection parts on the optical connector plug side detachably, on its upper and lower side walls 9, slits 10 are formed in the side walls 9, and side walls 9' nearby the engagement recessed parts 8 of the receptacle have elasticity. COPYRIGHT: (C)1993,JPO&Japio ...

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Номер записи: 7
11-09-1990 дата публикации

PRODUCTION OF PHOTOELECTRIC CONVERSION MODULE

Номер: JP0002228617A
Автор: MASUDA TAICHI, SUZUKI SHINGO
Принадлежит:

PURPOSE: To avoid direct contact of a fused resin to prevent degradation by covering most of an optical transmission or reception device and a part of this device with a protective case and positioning fixing pins respectively at the time of injecting the fused resin into a mold. CONSTITUTION: An optical transmission or reception device 10 is inserted to a protective case 20, and the protective case 20 and the optical transmission or reception device 10 are inserted in a mold 30 and are fixed by positioning fixing pins 31 and 32. When a fused resin is poured into a cavity 33 of this mold by injection molding for the purpose of forming a housing part and a connector part, deterioration does not occur because the fused resin having a high temperature and a high pressure is not directly brought into contact with the optical transmission or reception IC 10 by the protective case 20. Thus, a satisfactory photoelectric conversion module is produced where relative position relations between an ...

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Номер записи: 8
22-09-2011 дата публикации

APPARATUS FOR PRODUCING CHLOROSILANE

Номер: JP2011184242A
Автор: FUKUURA TOMOMI, CHICHIIWA YUKIO, MASUDA TAICHI
Принадлежит:

PROBLEM TO BE SOLVED: To provide a reactor capable of realizing thermal control hardly affected by a metal powder or the like which is a reaction raw material. SOLUTION: The reactor has a reaction furnace in which at least a reactive gas and a metal powder or an inorganic compound powder are reacted by flowing in the cylindrical inside from one end to the other, wherein temperature control means are disposed at least doubly in the radially inward direction of the reaction furnace along an inner wall surface of the furnace. COPYRIGHT: (C)2011,JPO&INPIT ...

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Номер записи: 9
10-02-1992 дата публикации

OPTICAL BRANCH

Номер: JP0004039607A
Автор: KIMURA HIROAKI, MASUDA TAICHI, SUZUKI SHINGO, KAGAMI MANABU, KANEKO YASUHIRO, HARADA JUNICHI
Принадлежит:

PURPOSE: To control the ratio of branched light by providing the optical branch with a butting means for pressing the connection part of a main optical fiber into a holding member at an optional stroke in a direction of a connection part with a branching optical fiber. CONSTITUTION: The branching fiber 4 is held in a groove 22 formed on the holding member 2 and both the sides part of the connection part 3a of the main optical fiber 3 is guided by a groove 21 formed on the member 2. When butting member 1 is pressed into the holding member 2, the center part of the fiber 3 is bent, the curvature of the connection part 3a is changed in accordance with its stroke, i.e. the value of a gap l, and the quantity of connection with the fiber 4 is changed. Since the curvature of the bending part of the fiber 3 can be controlled, the rate of light to be branched from the fiber 3 to the fiber 4 can be controlled in a wide range, and at the time of arranging many taps in an optical network, an optical ...

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Номер записи: 10
18-08-1995 дата публикации

LIMITED REFLECTION TYPE FIBER SENSOR HEAD

Номер: JP0007218219A
Автор: KAWASHIMA TAKAO, MASUDA TAICHI, INAI SHIGERU
Принадлежит:

PURPOSE: To provide a limited reflection type optical fiber sensor head which enables the miniaturization of a housing body by preventing a part of light reflected on a specimen from being reflected on a sensor head and on the surface of a housing and on the specimen again to be received even when the surface of the specimen is in the condition of a mirror surface with a shorter distance between the specimen and the sensor head. CONSTITUTION: This limited reflection type optical fiber sensor head is made up of an optical fiber for transmitting light to make an irradiation light irradiate a detection area, an optical fiber for receiving light to receive the reflected light from an object to be detected in the detection area and a housing 6 in which ends of the optical fibers for transmitting and receiving light are housed. The surface 9 between a light outgoing part 7 on the side of the optical fiber for transmitting light and a light incoming part 8 on the side of the optical fiber for ...

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Номер записи: 11
09-03-1989 дата публикации

OPTICAL FIBER WITH INTEGRATED OPTICAL CONNECTOR PLUG

Номер: JP0064063910A
Автор: OKADA HIROSHI, MASUDA TAICHI
Принадлежит:

PURPOSE:To prevent the titled optical fiber itself from deforming and damaging by fixing the optical connector plug made of plastic directly to one end of the optical fiber equipped with a protection layer. CONSTITUTION:The optical fiber 21 with the protection layer is put in, for example, a two-split metallic mold with an optical connector plug molding mold and installed in the metallic mold 22, and the metallic mold is closed to fix the fiber while being applied with tensile force so as not to bend in the metallic mold. Then optical connector plug forming resin is molded integrally by an inserting method in contact with the outer periphery of the protection layer of the optical fiber, the metallic mode is removed, and the tip part 24 of the optical fiber connector is cut to form an optical fiber tip part. Thus, the protection layer of the optical fiber 21 and optical connector plug are integrated in contact across no adhesive, so the connector is never loosened even when the optical fiber ...

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Номер записи: 12
09-03-1989 дата публикации

OPTICAL FIBER WITH INTEGRATED OPTICAL CONNECTOR PLUG

Номер: JP0001063910A
Автор: OKADA HIROSHI, MASUDA TAICHI
Принадлежит:

PURPOSE: To prevent the titled optical fiber itself from deforming and damaging by fixing the optical connector plug made of plastic directly to one end of the optical fiber equipped with a protection layer. CONSTITUTION: The optical fiber 21 with the protection layer is put in, for example, a two-split metallic mold with an optical connector plug molding mold and installed in the metallic mold 22, and the metallic mold is closed to fix the fiber while being applied with tensile force so as not to bend in the metallic mold. Then optical connector plug forming resin is molded integrally by an inserting method in contact with the outer periphery of the protection layer of the optical fiber, the metallic mode is removed, and the tip part 24 of the optical fiber connector is cut to form an optical fiber tip part. Thus, the protection layer of the optical fiber 21 and optical connector plug are integrated in contact across no adhesive, so the connector is never loosened even when the optical ...

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Номер записи: 13
03-03-1992 дата публикации

LIQUID LEVEL SENSOR

Номер: JP0004066820A
Автор: KIMURA HIROAKI, MASUDA TAICHI, KAWASHIMA TAKAO, SATO JINICHI, KAMIYAMA SHINICHI
Принадлежит:

PURPOSE: To sense a liquid level without contact with the liquid level by forming a sensor so that setting positions of a light outgoing part and a light incident part are respectively gradient at an equal angle with respect to a normal direction of a reflecting surface on a vessel inner wall. CONSTITUTION: A light outgoing part 11 applies light led from a light source 10 by an optical fiber 13 to a vessel 7. A light incident part 12 admits light reflected by the vessel 7 and the light is led by an optical fiber 14 to be received by a light receiving element 15. The light outgoing part 11 and the light incident part 12 are gradient with respect to a normal axis at an angle θ, which is appropriately set according to a refractive index of the vessel, a refractive index and absorbance of liquid, etc. A light reception signal received by the light receiving element 15 is input to a liquid level determining circuit 16, where determination is made as to whether the liquid level reaches the positions ...

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Номер записи: 14
13-10-1998 дата публикации

DEVICE FOR CUTTING OPTICAL FIBER AND METHOD FOR CUTTING

Номер: JP0010273334A
Автор: MASUDA TAICHI, ISHIKAWA RYUICHI, HARADA KYOSUKE
Принадлежит:

PROBLEM TO BE SOLVED: To provide a device and method for cutting optical fibers capable of obtaining smooth cross-sections of the optical fiber with suppressing deterioration of a cutting blade. SOLUTION: This device for cutting optical fibers consists of a reduction unit which reduces a driving velocity of an external driving force and transmits the driving force, a driving force transmission unit which transmits the driving force from the reduction unit to a cutting blade-holding unit, the cutting blade- holding unit, a cutting blade 3 and an optical fiber-supporting unit which holds the optical fiber to cross with the cutting blade at the cutting position. In this method for cutting the optical fibers, a cutting blade having (x) edge thickness is used as a cutting tool and, when the cutting blade is moved in a velocity of (y), the following equation for cutting plastic optical fibers is satisfied: y≤-253x+65. COPYRIGHT: (C)1998,JPO ...

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Номер записи: 15
25-06-1993 дата публикации

MANUFACTURE OF OPTICAL CONNECTOR PLUG

Номер: JP0005157939A
Автор: MASUDA TAICHI, OKADA HIROSHI
Принадлежит:

PURPOSE: To adjust the connecting force and disconnecting force for an optical connector receptacle by forming separate dowels as parts which form a plug-side engagement part and adjusting the positions of the separate dowels. CONSTITUTION: A metallic mold 1 consists of a tip part 2, a side part 3, a base part 4 and the separate dowels whose positions are adjustable and the internal space of the metallic mold 1 constitutes the pattern of the outward shape of a desired optical connector plug. Namely, the metallic mold parts at positions corresponding to the engagement projection parts of the optical connector plug which engages the optical connector receptacle are composed of the separate dowels 5. Then the positions of the separate dowels 5 are adjusted to adjust the projection height or groove depth of the engagement projection parts of the optical connector plug as an injection molding. The connecting force and disconnecting force when the plug is inserted into the optical connector receptacle ...

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Номер записи: 16
22-09-2011 дата публикации

APPARATUS FOR PRODUCING CHLOROSILANE

Номер: JP2011184243A
Автор: FUKUURA TOMOMI, CHICHIIWA YUKIO, MASUDA TAICHI
Принадлежит:

PROBLEM TO BE SOLVED: To provide a member having excellent wear resistance against contact of a hard metal powder or the like. SOLUTION: A wear preventing means such as a ceramic layer or a diamond film is disposed on a powder contact surface of a member with which a metal powder or an inorganic compound powder moved by an air flow contacts. COPYRIGHT: (C)2011,JPO&INPIT ...

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Номер записи: 17
11-08-1995 дата публикации

LIMITED REFLECTION TYPE OPTICAL FIBER SENSOR HEAD

Номер: JP0007208919A
Автор: KAWASHIMA TAKAO, MASUDA TAICHI, INAI SHIGERU
Принадлежит:

PURPOSE: To provide a limited reflection type optical fiber sensor which can obtain a large quantity of reception light with a thin optical fiber without using any thick optical fiber even if an object with a less quantity of reflection light is to be detected, maintains the flexibility of the optical fiber and an improved handling property, and has a small allowable bending radius, and can be housed in a compact housing. CONSTITUTION: The optical fiber sensor head consists of an optical fiber 1 for transmitting light which applies emitted light to a detection region, an optical fiber 2 for receiving reflection light from a target to be detected in a detection region, a lens 3 for focusing light provided at the front surface of the emission edge of the optical fiber 1 for transmitting light, and a lens 4 for condensing light provided at the front surface of the emission edge of the optical fiber 2 for receiving light and then an emission edge 6 of the optical fiber for transmitting light ...

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Номер записи: 18