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1. 发明专利

JPH08243930A ADHESIVE REMOVING SHEET FOR OPTICAL CONNECTOR AND ITS MANUFACTURE 失效
公开(公告)号：JPH08243930A
公开(公告)日：1996-09-24
申请号：JP6857994
申请日：1994-04-06
申请人： NIPPON TELEGRAPH & TELEPHONE , OJIMA SHISAKU KENKYUSHO KK , NIPPON MICRO COATING KK
发明人： IWANO SHINICHI , KANAYAMA KAZUNORI , KATO KUNIHARU , NODA KAZUFUSA , WATANABE NOBUYOSHI , YAMAZAKI TORU
IPC分类号： G02B6/36 , B24B19/00 , B24D11/00
摘要： PURPOSE: To provide a polishing sheet which has resiliency and by which a polishing object is not damaged by a residue by forming a polishing layer along a foam cell exposed from a foaming base sheet having continuous foam. CONSTITUTION: At least one surface of a foamed base sheet 21 on which a continuous foam cell is formed is buffed, and a foam cell 22 in the vicinity of its surface is exposed, and a polishing layer 23 is formed on a surface from which the foam cell 22 is exposed, and an adhesive removing sheet 20 is formed.

2. 发明专利

JPH0767147A EXPANDING AND CONTRACTING DEVICE FOR JUMPER WIRE TRANSFERRING HAND 失效
公开(公告)号：JPH0767147A
公开(公告)日：1995-03-10
申请号：JP21301793
申请日：1993-08-27
申请人： NIPPON TELEGRAPH & TELEPHONE , OJIMA SHISAKU KENKYUSHO KK
发明人： MOTONO TOMOHARU , FURUKAWA SUMIO , NODA KAZUFUSA
IPC分类号： H04M3/00 , H04Q1/12
摘要： PURPOSE:To provide the jumper wire transferring hand expanding and contracting device which makes operation highly reliable and can be installed compactly without exerting any influence upon existent jumper wires. CONSTITUTION:This device is equipped with an arm expanding and contracting mechanism K constituted by integrally connecting plural cylindrical rod type symmetrically-sectioned hollow expanding and contracting arm parts 17, etc., into many stages so that they can be inserted and extracted, and expanded and contracted, a flexible rack 19 which has a rack gear formed on one surface and control and electric feeding cable guide brackets 20a-(20h) provided on the other surface and is fixed to the tip of a thinnest hollow expanding and contracting arm part having the tip inserted, an arm driving mechanism L which freely expands and contracts the arm expanding and contracting mechanism K following up the forward and backward motion of the flexible rack 19 by the driving of a motor 18 through a pinion for the flexible rack driving engaging the rack gear, and a cable take-up mechanism M which winds in the flexible rack 19 and an electric feeding and control cable 36 by applying an elastic tensile force thereto at all times.

3. 发明专利

JPH0659204A MECHANICAL SWITCH FOR CHARGING OVER OPTICAL LINE 失效
公开(公告)号：JPH0659204A
公开(公告)日：1994-03-04
申请号：JP22945792
申请日：1992-08-06
申请人： NIPPON TELEGRAPH & TELEPHONE , OJIMA SHISAKU KENKYUSHO KK
发明人： SHIMONAKA MASARU , AOSHIMA SHINICHI , YABUTA TETSUO , NODA KAZUFUSA
IPC分类号： G02B6/38 , G02B26/08 , H04B10/00 , H04B10/25 , H04B10/12
摘要： PURPOSE:To obtain a mechanical switch for changing over an optical line lightened, small-sized and with high durability. CONSTITUTION:By applying voltage to second piezoelectric elements 18A, 18B, guide pins 17a, 17b on a fixed plug 17 are separated from V-shape grooves 14a, 14b on a moving plug 14, and by applying voltage to a first piezoelectric element 16 in the state, the moving plug 14 is moved and the position of a connection end surface for the fixed plug 17 is switched and an optical fiber is switched, and the second piezoelectric elements 18A, 18B are restored and the guide pins 17a, 17b are inserted into the V-shape grooves after moving, and thereafter, by restoring the first piezoelectric element 16, the switching state is held.

4. 发明专利

JPH06123818A DEVICE FOR CONNECTING MULTIPLE COATED OPTICAL FIBER 失效
公开(公告)号：JPH06123818A
公开(公告)日：1994-05-06
申请号：JP916993
申请日：1993-01-22
申请人： NIPPON TELEGRAPH & TELEPHONE , OJIMA SHISAKU KENKYUSHO KK
发明人： AOSHIMA SHINICHI , YABUTA TETSUO , YOSHIZAWA NOBUYUKI , ASHITANI FUMIHIRO , SHIMONAKA MASARU , NODA KAZUFUSA
IPC分类号： G02B6/26 , G02B6/08 , G02B6/255
摘要： PURPOSE:To provide a connecting device for a multiple coated optical fiber which is compact and enables the individual optical fibers of the multiple coated optical fiber to be aligned individually with high precision. CONSTITUTION:The connecting device for multiple coated optical fibers is equipped with a V-groove substrate 10 where the coated optical fibers are held in V-shaped grooves 10A at specific intervals, a base 11 which holes an optical fiber supporting member 13, where a groove 13A having slanting surface matching the V grooves 10A and holding the fiber tip parts are formed, in a finely movable state, a fine adjustment member 14 which finely moves the optical fiber supporting member 14 in two-dimensional direction, an axis deviation quantity measuring instrument 31, and a means 32 which controls the driving of the fine adjustment member 14 so that the axes are aligned according to an axis deviation quantity.

5. 发明专利

JP2003133973A RECEIVER SYSTEM AND CONTACT RING 审中-公开
公开(公告)号：JP2003133973A
公开(公告)日：2003-05-09
申请号：JP2001328966
申请日：2001-10-26
申请人： NAT ASTRONOMICAL OBSERVATORY O , SUMITOMO HEAVY INDUSTRIES , OJIMA SHISAKU KENKYUSHO KK
发明人： SEKIMOTO YUTARO , NARASAKI KATSUHIRO , NODA KAZUFUSA
IPC分类号： H04B1/08 , F17C3/08 , F17C13/00
摘要： PROBLEM TO BE SOLVED: To provide a receiver system to which various adjustment works can be easily performed, and a contact ring suitable for usage in the receiver system. SOLUTION: When each cartridge 20 is removed from a casing 10, the state of coupling of an attachment plate 2002 to a bottom plate section 1002 is released, and subsequently each cartridge 20 is pulled out downward from the casing 10. According to this operation, each cylindrical section 2018 of a first cartridge plate 2010, a second cartridge plate 2012, and a third cartridge plate 2014 is pulled out from each contact section 1044 of a first contact ring 1020, a second contact ring 1022, and a third contact ring 1024. When each cartridge 20 is installed at the casing 10, the attachment plate 2002 is coupled to the bottom plate section 1002, after each cylindrical section 2018 of the first cartridge plate 2010, the second cartridge plate 2012, and the third cartridge plate 2014 is inserted into each contact section 1044 of the first contact ring 1020, the second contact ring 1022, and the third contact ring 1024.

6. 发明专利

JP2001218445A OSCILLATOR 失效
公开(公告)号：JP2001218445A
公开(公告)日：2001-08-10
申请号：JP2000023620
申请日：2000-02-01
申请人： OJIMA SHISAKU KENKYUSHO KK
发明人： YAMAMOTO SATOSHI , OKA TOMOJI , HIRONO KIWAMU , NODA KAZUFUSA
IPC分类号： G02B26/10 , H01Q1/12 , H02K37/04 , H02K41/03
摘要： PROBLEM TO BE SOLVED: To realize a small size oscillator support structure that is suitable for oscillating a scanning mirror of a laser scanning apparatus and a sub-mirror of a radio telescope. SOLUTION: This structure is composed of a rotor 12 that is fixed to a sub-mirror 2 supported to oscillate and is curved like an arc and a stator 14. The magnetized first teeth 22 are arranged at a constant pitch at the external circumference surface 16 of rotor 12 and the stator 14 includes a base material 24, a plurality of cores (26 and others) arranged on the base material 24 and a coil 36 wound to each core. At the end of each core, the second tooth 38 is arranged with the same pitch as the first tooth 22, the second tooth 38 of each core is provided opposed to the first tooth 22 by forming a gap between the first tooth 22 of the rotor 12, and when one second tooth 38 of the adjacent two cores is provided opposed to the first tooth 22, the second tooth 38 of the other core is displaced by almost 1/4 the pitch of the second tooth 38 from the opposing position for the first tooth 22.

7. 发明专利

JP2001132720A MALE SCREW 失效
公开(公告)号：JP2001132720A
公开(公告)日：2001-05-18
申请号：JP31634199
申请日：1999-11-08
申请人： OJIMA SHISAKU KENKYUSHO KK
发明人： NODA KAZUFUSA
IPC分类号： F16B33/02 , F16B35/00 , F16B37/12
摘要： PROBLEM TO BE SOLVED: To provide a male screw, capable of reducing a cost and man-hours related to forming a screw when a member made of an aluminum alloy to which anodic oxide coating is subjected and in which a helical insert screw is formed and another member is combined therewith by means of the male screw, which is screwed with the helical inset screw then manufactured, and when both of the members are needed to be combined by means of the male screw before the anodic oxide coating is applied. SOLUTION: A member made of an aluminum alloy 12 and another member 24 are combined when a male screw 30 is screwed with a female screw 32. In the member made of an aluminum alloy 12 in which the female screw 32 is formed, a lower hole 14 for forming a helical insert screw is provided by a drill, and a groove 16 for inserting a helical insert is formed on the inner peripheral surface of the lower hole 14 by a helical tap. The female screw 32 is formed in the groove 16 for inserting the helical insert. In a shaft part 30B of the male screw 30, a male screw part 3002 which is screwed with the female screw 32 is formed.

8. 发明专利

JP2003099129A CONTROLLER FOR POSITIONING MECHANISM 审中-公开
公开(公告)号：JP2003099129A
公开(公告)日：2003-04-04
申请号：JP2001291401
申请日：2001-09-25
申请人： OJIMA SHISAKU KENKYUSHO KK
发明人： NODA KAZUFUSA
IPC分类号： G06T1/00 , G05D3/12 , G06T7/00 , G06T7/33 , H02P5/00 , H02P8/32 , H02P8/40
摘要： PROBLEM TO BE SOLVED: To carry out setting and/or adjustment of the control constant of the controller of a positioning mechanism for driving a carriage loaded on a frame so as to be movable by a driving mechanism by a simple method suitable for the intuition of a user. SOLUTION: An image sensor 14 picks up images of a laser diode LD fixed on a frame 20 and an edge part of an optical fiber OF held on a carriage 22, and those pictures are overlapped on four makers 50a-50d, and displayed on the screen of an image display 18. A driving mechanism 24 for driving the carriage is controlled according to the position relation of the position of the image of the edge part of the optical fiber on the screen and the display positions of the markers. The user operates a marker setting/adjusting mechanism 19 in order to carry out the setting and/or movement of the markers by visually confirming the positions of the markers on the screen, and therefore to carry out the setting and/or adjustment of the control constant.

9. 发明专利

JP2000275468A METHOD AND STRUCTURE FOR FUSION SPLICING OF OPTICAL FIBER 失效
公开(公告)号：JP2000275468A
公开(公告)日：2000-10-06
申请号：JP7790599
申请日：1999-03-23
申请人： OJIMA SHISAKU KENKYUSHO KK
发明人： NODA KAZUFUSA
IPC分类号： G02B6/255
摘要： PROBLEM TO BE SOLVED: To provide a method and structure for fusion splicing of optical fibers whereby optical fibers with different clad outside diameters can be easily and surely connected together by fusion. SOLUTION: A small diameter part 28 is formed in which a clad 24 at an end 21 including a longitudinal end face of a second optical fiber 20 is machined to reduce the clad outside diameter. The small diameter part 28 is formed so that the clad outside diameter ϕ1 on the end face 16 of the first optical fiber 10 is equal to the clad outside diameter ϕ21 on the end face 26 of the second optical fiber 20. With the axes 12A, 22A of the first and second optical fibers 10, 20 aligned, the end face 16, 26 are brought close to each other and heated in that condition so that the end faces 16, 26 are melted and butted together. The first and second optical fibers 10, 20 are fused and integrally connected together by similarly melting their respective portions near the end faces 16, 26.

10. 发明专利

JPH11237418A ACOUSTOOPTIC TYPE FREQUENCY ANALYZER 失效
公开(公告)号：JPH11237418A
公开(公告)日：1999-08-31
申请号：JP5898098
申请日：1998-02-23
申请人： OJIMA SHISAKU KENKYUSHO KK , KASUGA TAKASHI
发明人： NODA KAZUFUSA , KASUGA TAKASHI
IPC分类号： G01R23/17
摘要： PROBLEM TO BE SOLVED: To accurately measure a frequency spectrum. SOLUTION: The acoustooptic frequency analyzer 100A is equipped with a driver amplifier part 200 which processes a receive signal, an optical system 300 which is arranged on the optical path of laser light, and a data read part 300 which performs data processing of the frequency spectrum according to the detection signal inputted from a CCD line sensor 20. A semiconductor laser 302 which generates heat and a part which conducts its heat are arranged outside the internal storage space of a housing. The laser light of the semiconductor laser 302 passes through a polarization plane maintaining optical fiber 308 which holds its polarizing direction and the passed through a 1st polarizing element 309 and is made incident on a Bragg cell 12, and the primary light diffracted by the Bragg cell 12 passes through a 2nd polarizing element 340 having the same polarizing direction with the primary light and is made incident on the CCD line sensor 20.

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