baber/WOPTO huggingface dataset:
Patent JP-H06168468-A (JP)
Title: Tracking device
Inventor: TANAKA SATORU
IPC: G11B7/095
Filed: 1992-11-30
Abstract: PURPOSE:To provide a tracking device capable of reproducing an optical disk by means of the same player regardless of the kind of the optical disk in a tracking device, specially the tracking device in which a light beam is made to follow up the pit string of the optical disk. CONSTITUTION:An optical pickup irradiating an optical disk 12 with a light beam and receiving a reflected light by the optical disk 12, a tracking error signal generating circuit 26 generating the tracking error signal based on the output signal of the optical pickup and a tracking servo circuit making a light beam to follow up the pit string of the optical disk when the state of the tracking error signal changes are provided. A first RF signal from the optical pickup when the tracking error signal changes from a first state to a second state is compared with a second RF signal from the optical pickup when the tracking error signal changes from the second state to the first state. Based on the compared output, the tracking polarity of the tracking servo circuit is inverted.
Patent JP-H07152889-A (JP)
Title: Electromagnetic counter and assembly method therefor
Inventor: SUKAI YOICHI
IPC: G06M1/10
Filed: 1993-11-29
Abstract: PURPOSE:To facilitate an assembling operation without the need of skills and to automatize assembly. CONSTITUTION:Number 2 in the figure is a frame provided with a side face plate 3, 15 is a digit wheel, 20 is a pinion, 21 is a pole, 27 is a coil bobbin, 45 is a york and 60 is a lead wire. Then, both side face plates of the frame 2 are divided and the flange 29 of the coil bobbin 27 constitutes one of the side face plates and is freely attachably and detachably integrated with the side face plate 3. Also, shafts 5 and 6 are integrally and vertically provided on the side face plate 3 and an attachment groove 38 where a terminal 50 to which the lead wire 60 is attached is inserted is recessedly provided on the surface of the flange 29.
Patent JP-H05130037-A (JP)
Title: Addressing system for matrix optical switch
Inventor: SHIRAI SEIICHI
IPC: H04B10/00
Filed: 1991-11-08
Abstract: PURPOSE:To realize a large scale and small sized matrix optical switch with high reliability by eliminating an electric wiring for addressing on a switch board. CONSTITUTION:An optical switch having a reflecting mirror 21 is provided to cross points where plural input optical paths 26 and plural output optical paths 27 on a switch board 24 are in crossing, the input optical path and the output optical path passing through the cross point are connected by the selection of the optical switch at the prescribed cross point to set the optical path, and in the matrix optical switch as above, a selection optical signal generated from other selection optical signal generating board 25 than the switch board 24 is used as an address signal and the optical signal is used to select the optical switch at the prescribed cross point.
Patent JP-H09137684-A (JP)
Title: Super-lightweight member for gatepost, fence or the like, and manufacture thereof
Inventor: HIRAOKA KATSUYA
IPC: B28B19/00
Filed: 1995-11-14
Abstract: PROBLEM TO BE SOLVED: To use packs for forming super-lightweight blocks for facilitating works for constructing gateposts, fences or the like for a dwelling house or the like. SOLUTION: Facing materials 4 are fitted into and fixed to indents 2 of a support body 1 to which a plurality of indents 2 are provided at its one side while holes 3 respectively communicating with the indents 2 from the other side being provided. A block-forming pack A, made up by solidifying paraffin 10 poured into the indents 2, is stuck with mortar 13 to the surface of a core material B made of a super-lightweight material with its facing material 4 placed to the core material B side, and after the mortar 13 is hardened, the support body 1 is removed, and thereby a super-lightweight gatepost or a fence can be constructed.
Patent JP-H11152312-A (JP)
Title: Forming method for surface-hydrophilic and highly weatherable shaped article
Inventor: SHIRAI NOBUYOSHI
IPC: C08F2/48
Filed: 1997-11-21
Abstract: PROBLEM TO BE SOLVED: To form a surface-hydrophilic and highly weatherable shaped article, by shaping a compsn. contg. a hydrophobic polymerizable compd. having an isocyanuric skeleton and an unsatd. group, and a photopolymerization initiator, contacting it with a hydrophilic compound contg. an unsatd. double bond, then irradiating it with an active light. SOLUTION: After shaping a photopolymerizable comps., it is irradiated with an active light to be precured, and in the state in which the shaped article has an unsatd. double bond at least on the surface, it is irradiated mith an active light to be completely cured while contacting the surface of the precured shaped article with a hydrophilic liquid contg. an unsatd. double bond-contg. hydrophilic compd. The method for procuring is suitable for cases where the viscosity of the shaped article is low or a constituent of the photopolymerizable compsn. is easily compatible to the hydrophilic liquid. By these methods, a material which has a surface with sufficient hydrophilicity and durability and besides has none of the degradation of performance which is accompanied by the provision of hydrophilicity is obtained.
Patent JP-H03197203-A (JP)
Title: Travelling roller
Inventor: MANFUREETO MIRUBURETSUTO
IPC: B60B33/02
Filed: 1990-11-27
Abstract: PURPOSE: To block a traveling wheel with simple structure by guiding an engagement element to allow linear movement relating to the traveling wheel, in a caster to transmit linear setting movement of a setting element to an engagement element via a wedge mechanism and to engage the engagement element with the traveling wheel to stop traveling. CONSTITUTION: A traveling roller 1 of a twin roller has an attaching pin 2 supported to allow turning movement relating to a supporting element 3 by a ball bearing 4, and traveling wheels 5, 6 are supported to the supporting element 3 freely to rotate. A setting element 7 is arranged in the attaching pin 2 to be movable between its releasing position and its turning locking position, the element 7 cooperates with an engagement element 9 in the turning locking position via a wedge mechanism 10, and the element 9 is slided to a linear direction orthogonal to the setting element 7 against a spring 13 via engagement of wedge faces 11, 12. An engagement face 14 of the engagement element 9 is engaged with inner faces 15 of the traveling wheel 5, 6 by this manner to block rotation of the wheel 5, 6.
Patent JP-H05131601-A (JP)
Title: Polyester film
Inventor: TSUNASHIMA KENJI
IPC: B29L9/00
Filed: 1991-11-11
Abstract: PURPOSE:To constitute the title film so that even if day-passing or aging treatment is performed, the film neither has changes in flexibility and transparency nor loses them, by a method wherein a high-crystalline polyester layer is laminated on at least one side of a polyester layer whose Young's modulus is specified. CONSTITUTION:A high-crystalline polyester layer B is laminated on at least one side of a polyester layer A whose Young's modulus is 0.1-150kg/mm<2>. Polyester superior in crystallinity, for example, high-crystallinity polyester whose value of DELTAT cg which is a difference between the cold crystallizing temperature and glass transition temperature to be observed during a temperature rising process from a room temperature and one of crystallization parameter is not exceeding 35 deg.C is laminated thin. Directly after film making, a polyester film possessing stabilized flexibility is obtained by laminating both surface layers beforehand if possible.
Patent JP-H10157658-A (JP)
Title: Aerodynamic structure of rear part of automobile and designing method thereof
Inventor: MAEDA KAZUHIRO
IPC: B62D25/08
Filed: 1996-12-02
Abstract: PROBLEM TO BE SOLVED: To reduce worsening of maneuvering stability due to side wind in an unsteady state wherein side wind is fluctuated. SOLUTION: Throughout a range of from the central part of a car body B to a rear end, fins 5 are arranged along the right and left sides 3 and the upper surface 4 of a car body B or the corner part of a rear surface. The sides 3 of the car body B and the outer surface of each fin 5 are smoothly interconnected. Even when side wind colliding with the side 3 of the car body B is fluctuated, side wind flows without peeling in the middle of a range of from the side 3 of the car body to the tip of the outer surface of the fin 5, and the flow is peeled at the tip of the outer side of the fin.
Patent JP-H01163741-A (JP)
Title: Preparation of film having film thickness distribution
Inventor: TODOKORO YASUYUKI
IPC: G02B1/04
Filed: 1987-12-19
Abstract: PURPOSE:To make the film thickness uniform in an area irradiated with light by incorporating a specified material in the film. CONSTITUTION:A photopolymerizable material M (e.g. acrylic ultraviolet setting resin) and a material P (e.g. photolytic material such as novolak resin useful in positive resist), are dissolved in a good solvent for the both material, and the soln. is coated on a base plate 1. When the base plate 1 is irradiated with ultraviolet rays through a pattern mask 3, the material P in the irradiated area A is decomposed and the material M polymerizes to a polymer M' causing migration of M from an unirradiated area to the area A. Thus, the film 2d in the area A causes uniform expansion of volume providing a desired film thickness distribution.
Patent JP-H11155198-A (JP)
Title: Mounting mechanism for condenser microphone unit
Inventor: NARUO KIMIHIKO
IPC: H04R19/04
Filed: 1997-11-21
Abstract: PROBLEM TO BE SOLVED: To reduce dispersion in an insertion force when inserted. SOLUTION: A microphone unit is provided with a support, that supports a printed circuit board block 12 at one end and a condenser microphone a the other end to pick up a sound pressure in the form of changes in a static capacitance, and a shield case 13 that integrally supports the condenser microphone, the support and the printed circuit board block through caulking. The printed circuit board block has a grounding pattern 12c that is supported by the shield case with electric conductivity, and the condenser microphone is inserted into an inner recessed space b2 of a closed rib b1 formed on a case (b) of mounted device. In this mounting mechanism, a plurality of notch slits S are provided on the enclosed loop ribs b1 to split the enclosed loop ribs b1 .
Patent JP-H08175498-A (JP)
Title: Device used for repair of bonded structure member for aircraft
Inventor: NAKAURA AKIYUKI
IPC: B64F5/00
Filed: 1994-12-26
Abstract: PURPOSE: To facilely and steadily repair honeycomb structure parts by equipping the device with a vertical motion type pressurizing driving means which is provided so that it may function sandwiching pressure to one of a pair of vertical bag body enclosed in a casing through a sheet type heating means. CONSTITUTION: A rectanglar casing 70, whose upper surface is opened and the interior is stored with a bag body 71 containing small diameter particles inside, is provided on a lower beam 603 of a press machine 60 and a sheet shape electric heater 72 is set on the retangular casing 70 so as to cover the back of a lower side pressure plate 50 fitted to an under-repair member 100. The lower end of a movable rod 604 of an upper beam 602 is fixed with a retangular press plate 81 to which a surrounding wall 82 forming a casing 80 enclosing the retangular press plate 81 is fitted and a bag body 83 is stored in the lower end opening of the casing 80, while a sheet shape electric heater 84 is set below the bag body 83 so as to cover the back of an upper side pressure plate 40 of the under-repair member 100.  Pressurizing and heating operations are performed by electrifying the heaters 72, 84 and pressurizing the press machine 60.
Patent JP-H03184756-A (JP)
Title: Grinding method for wafer
Inventor: NAKAMURA KOJI
IPC: H01L21/304
Filed: 1989-12-12
Abstract: PURPOSE:To prevent any warp from occurring by clamping a chucking table to a rotary table rotating around a shaft so as to make an axis of this rotary table pass through the center of curvature of a concave, and holding a wafer in a close sticking state on a holding surface of the chucking table. CONSTITUTION:A wafer 3 is held in a close sticking state on a holding surface of a chucking table 5 formed into a spherical concave with a radius of curvature almost equal to that of a wrap being produced when this wafer 3 is ground in a flat state, and it is ground in the state that a compressive strain is produced on the grinding surface in advance. With this operation, any elongation of the grinding surface to be produced with it is removed from the chucking table 5 is eliminated by this compressive strain, so that any warp is prevented from occurring. Accordingly, it comes to be possible to enter the next manufacturing process without going through such a strain eliminating process as etching the grinding surface after grinding operation. At this time, the chucking table 5 is clamped to a rotary table so as to make an axis of this rotary table pass through the center of curvature of the concave.
Patent JP-H08175716-A (JP)
Title: Sheet conveying device and printer having sheet conveying device
Inventor: KATSUYAMA HITOSHI
IPC: B65H20/06
Filed: 1994-12-26
Abstract: PURPOSE: To keep a sticking force of a sheet constant to eliminate unevenness in sticking, and prevent the generation of streaks on the sheet. CONSTITUTION: An oscillating arm 24 oscillating around the center of rotation of a driven roller 3, on which an endless belt is tensely wrapped, is provided and a sticking roller mounting plate 31 for supporting a sticking roller 9, a transmission arm 30, a sticking roller driving arm 34, and a pressing cylinder 35, are mounted on the oscillating arm 24. The pressing cylinder 35 is provided to be able to abut on the sticking roller driving arm 34. A pressing releasing spring 36 is engaged with the sticking roller driving arm 34 and the oscillating arm 24. Then, when the pressing cylinder 35 is extended, the sticking roller 9 is pressed against the endless belt, and when the pressing cylinder 35 is contracted, the pressing operation of the sticking roller 9 is released by the pressing releasing spring 36.
Patent JP-H11140759-A (JP)
Title: Production of hot water-soluble nonwoven fabric
Inventor: SAWADA ATSUO
IPC: D04H1/545
Filed: 1997-11-07
Abstract: PROBLEM TO BE SOLVED: To provide a production process for a nonwoven fabric that is made of a polyvinyl alcohol (hereinafter abbreviated to PVA) and is useful for medical purposes such as operating gowns because it is disposable with no occurrence of environmental troubles due to a reason that it can be dissolved in hot water and can be sterilized after being applied. SOLUTION: A composition of a plasticizer and a hot water-soluble PVA resin, particularly with an average polymerization degree of 150-5,000 and an average saponification degree of 85-100 mol.%, that is soluble in hot water heated above 50 deg.C, preferably above 70 deg.C, is melt-extruded through nozzle orifices arranged in plural rows, the extruded filament group is taken up by sucking jet, blown with jetting air flow to the face for forming a nonwoven sheet to form a web, then the web is pressed with a hot embossing roll.
Patent JP-H05131599-A (JP)
Title: Heat shrinkable laminated polyethylene film
Inventor: MORITA SHUICHI
IPC: B29C55/12
Filed: 1991-11-12
Abstract: PURPOSE:To obtain a heat-shrinkable film excellent in adaptability to packaging machine by using in an intermediate layer the resin having a low melt index, a high amount of total heat of melting and an endothermic area ratio not below the melting point being outside a certain range and a specific resin in an inner and an outer layer. CONSTITUTION:An intermediate layer of the laminated film comprises a composition consisting mainly of a linear low-density polyethylene which has a density of 0.910-0.930g/cm<3> and a melt index of 0.1-0.8g/10 minutes and in which the total amount of heat of melting is not less than 135mJ/mg in a melting curve obtained when the film temp. rises at a temp. rise rate of 10 deg.C/minute after the film temp. drops to 20 deg.C at a temp. fall rate of 10 deg.C/minute following the maintenance of the film at 190 deg.C for 30 minutes and the endothermic area not below the main peak temp. (melting point) comprises at least 12% of the total endothermic area. This intermediate layer is interposed between an inner and an outer layer, each comprising a composition consisting mainly of a linear low density polyethylene having so a high melt index as 0.8-5.0 g/10 minutes as compared with that of the intermediate layer, thereby obtaining a heat- shrinkable laminated film.
Patent JP-H01163515-A (JP)
Title: Incinerator
Inventor: SUZUKI JIRO
IPC: F23G5/00
Filed: 1987-12-18
Abstract: PURPOSE:To facilitate the complete combustion of gas and prevent an odor from being leaked by a method wherein a discharging port arranged at an upper lid of a pan-like container, a gas combustion chamber arranged at a downstream side of the discharging port and means for heating some waste materials in the pan-like container are provided. CONSTITUTION:A discharging port 12 arranged at a substantial central part of an upper lid 8 of an air chamber 1 communicates with a gas combustion chamber 16. Some waste materials are put into a pan-like container 3 through a door 2 and set in an air chamber 1. Then, a drying operation is started by oscillating a magnetron 6, operating a blower 10 and energizing a heater 12. The waste materials are rapidly dried and simultaneously an wave absorber 14 may also absorb an electromagnetic wave to show a hot temperature and then the waste materials are decomposed to generate gas. An ignition heater 14 arranged in a gas combustion chamber 16 is ignited as a concentration of gas is gradually enriched to become a combustible gas. During this time, a heat of the heater 21 is transported with air, a catalyst 18 is increased up to its activation temperature so as to prevent an odor from being generated.
Patent JP-2000153229-A (JP)
Title: Method for forming conductive polythiophene layer at low temperature
Inventor: CLOOTS TOM
IPC: B05D5/12
Filed: 1999-11-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming the layer of a conductive polymer without an additional annealing step at a high tamp., a water based composition for the same and a film having the conductive polymer layer. SOLUTION: The forming method includes a step for forming the conductive polymer layer on an object by preparing the water based composition containing a polythiophene, a poly anionic compound and a non-protonic compound having a dielectric constant (ε) of >=15, applying the composition on the object to form the layer and drying and during the formation, the object and the layer are kept at a temp. of 100 deg.C and the conductive polymer has 2 kΩ/(square) resistivity at most.
Patent JP-H05161011-A (JP)
Title: Picture reader
Inventor: UTAGAWA TSUTOMU
IPC: H04N1/40
Filed: 1991-12-06
Abstract: PURPOSE:To implement stably black shading of a digital processing circuit and to read precisely picture information of an original picture. CONSTITUTION:An output signal from a CCD 1 is coupled in terms of AC by coupling capacitors 91, 92 to eliminate a DC component and S/H circuits 21, 22 eliminate a noise component of a reset pulse of the CCD 1 in a picture signal. Clamp circuits 31, 32 clamp an input signal based on a sampling pulse outputted from a pulse generating circuit 81. Then an input picture signal is delayed by a multiplexer circuit 4 and a whisker shaped noise generated synchronously with the sampling pulse from the pulse generating circuit 81 is eliminated by a clamp circuit 33 at a post-stage by clamping the picture signal with a sampling pulse whose pulse width is narrower than the sampling pulse from the 1st stage clamp circuits 31,32.
Patent JP-2000147353-A (JP)
Title: Lens driving device and optical instrument equipped with the same
Inventor: TANAKA HIDETOMO
IPC: G02B7/04
Filed: 1998-11-12
Abstract: PROBLEM TO BE SOLVED: To surely remove a backlash in fitting a tooth part and a lead screw by integrally forming a main body part, a tooth part and 1st and 2nd elastic parts of a metallic plate to a rack, and partly holding a lens holding member between the 2nd elastic part and the main body part so that the rack may be attached to the lens holding member. SOLUTION: As for the lens driving device provided with the lead screw 5a which is rotary-driven so as to extend in the optical direction and the lens holding member with the rack 6 which is engaged with the lead screw 5a, the device is provided with the 1st elastic part 6b and the 2nd elastic part 6c between the tooth part 6d which is engaged with the lead screw and the main body part 6a which is attached to the lens holding member, the 1st elastic part 6b is prepared for generating an elastic force for pressing the tooth part against the lead screw in a direction orthogonal to the optical axis, and also, the 2nd elastic part 6c is prepared for generating an elastic force for pressing the main body part against the lens holding member in the optical axis direction while being connected with the main body part.
Patent JP-H08182365-A (JP)
Title: Motor controller and controller for motor of electric motor car
Inventor: OMACHI SHOICHI
IPC: F16D65/28
Filed: 1994-12-26
Abstract: PURPOSE: To stop a motor when an electromagnetic brake control section which brakes the rotation of the motor malfunctions so as to prevent the running out of control or burning of the motor. CONSTITUTION: An exciting state detecting means 16 detects the exciting state of the exciting coil of an electromagnetic brake 2 and a fault judgeing means 6b judges the fault of an electromagnetic brake control section 5 based on the detected result of the detecting means 16 and the presence/absence of a drive control command S11 to a motor drive control section 4 and braking control command S21 to the control section 5. When the fault of the control section 5 is detected, a fault judgeing signal S4 outputted from the discriminating means 6b is inputted to a power supply control circuit 17. When the signal S4 is inputted to the control circuit 17, the third transistor driving circuit 18 of the circuit 17 sets the control sections 4 and 5 to nonoperating states by stopping the power supply to the sections 4 and 5 by turning off a transistor 19 and, therefore, a control switch 21.
Patent JP-H08231785-A (JP)
Title: Flame-retardant plastic material
Inventor: BERUNTO ROTARU MARUKUTSUINKE
IPC: C08L51/06
Filed: 1995-12-12
Abstract: PROBLEM TO BE SOLVED: To provide a flame-retardant plastic material which comprises a specific propylene (co)polymer, a graft propylene or ethylene polymer, and a nitrogen-contg. compd., is colorless and odorless, has an excellent flame retardance and an improved elongation at break, and is useful for films, fibers, etc.  
     SOLUTION: This plastic material, having a melt flow index (MF) of 0.1-100 (g/10 min) at 230°C under a load of 2.16 kg, comprises (A) a propylene polymer selected from among (A 1 ) PP having an MF of 0.01-100, (A 2 ) a propylene random copolymer contg. copolymerized 2-10C alk-1-ene (M) units, (A 3 ) a polymer component comprising 25-97 wt.% propylene copolymer having an M unit content of 0.1-10 wt.% and 3-75 wt.% propylene copolymer having an M unit content of 15-80 wt.%, etc., (B) an ethylene or propylene polymer grafted with an α,β- ethylenically unsatd. carboxylic acid or a carboxylic acid deriv. and having an MF of 0.01-400, and (C) a compd. of the formula (wherein R 1  is H, 1-30C alkyl, 0- or amino-substd. 2-30C alkyl, or the like). 
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