baber/WOPTO huggingface dataset:
Patent JP-S60188910-A (JP)
Title: Optical coupler
Inventor: SAKATA HAJIME
IPC: G02B6/122
Filed: 1984-03-08
Abstract: PURPOSE:To obtain an optical coupler which is small in size and has high efficiency by providing the first grating for diffracting the primary diffracted light of a waveguide light to only a substrate side, on a thin film optical waveguide of the surface of the substrate, and providing the second grating of a reflection type on the bottom face of the substrate. CONSTITUTION:A thin film optical waveguide 12 is formed by diffusing, etc. Ti onto an LiNbO3 crystal substrate, etc. 11. The first grating 22 for diffracting a primay diffracted light 43 of a waveguide light 21 is formed on the optical waveguide 12 by means of ion etching by using a Ti/Cr mask 61 as a mask. Subsequently, a brazed grating 41 of a reflection type for emitting this diffracted light 43 from the surface of the waveguide 12 by providing the second grating of a reflection type on the bottom face of the substrate 11, and a reflection type brazed grating 41 for making a reflected light 63 incident on the grating 22 by diffracting an incident light 62 from the surface of the waveguide 12 are provided on the bottom face of the substrate 11. A reflection preventing film 42 is provided on the surface of the waveguide 12 so as to correspond to the grating 41. In this way, an optical coupler which is small in size, low in its cost and has a high coupling efficiency is obtained.
Patent JP-2000241146-A (JP)
Title: Method and apparatus for manufacturing sheet
Inventor: NAKAI YASUHIRO
IPC: G01B11/30
Filed: 1999-02-22
Abstract: PROBLEM TO BE SOLVED: To evaluate quality by irradiating a surface of a sheet with a light in an oblique direction, forming a photoreceiving image based on a reflected light from the sheet, and measuring protrusions and recesses of the sheet represented on the image in a short time. SOLUTION: A light emitted from an emitting means 1 irradiates a surface of the sheet 4. The light reflected on the surface of the sheet is received by a photoreceiving means 2, converted into an analog electric signal, which is, in turn, transmitted to an image processing means 3. The means 3 A-D converts the transmitted signal to form a photoreceiving image from the converted signal. A standard deviation of a density distribution of the image is calculated, and the sheet is evaluated according to protrusions and recesses of the surface of the sheet represented on the image.
Patent JP-S57156816-A (JP)
Title: Rolling mill
Inventor: HONJIYOU HISASHI
IPC: B21B29/00
Filed: 1981-03-24
Abstract: PURPOSE:To prevent the local abrasion of upper, lower work rolls, and to make the rolling of rolling materials of different widths possible by the use of the  same upper, lower work rolls by constructing the upper, lower work rolls to  permit change and adjustment of the position separately in the axial centerline  direction. CONSTITUTION:In a rolling mill consisting of backup rolls 1, 2 and upper, lower work rolls 6, 7, the rolls 6, 7 are supported movably in an axial centerline direction by means of the outer chocks 15, 16 mounted to the housings 4, 5 of the rolling mill, by which they are applied with work roll bending load. They are also supported by inner chocks 11, 12 which are restrained by nuts 14, bearing positioning rings 14', etc. The inner chocks 11, 12 are supported by extension beams 21 mounted to these and the above-mentioned rolls 6, 7 are moved in the axial centerline direction by the roll axial positioning devices (not shown) mounted to the other ends of the beams 21.
Patent JP-S59168413-A (JP)
Title: Spectacles and its adjusting method
Inventor: SAIGOU TAKESHI
IPC: G06F17/50
Filed: 1983-03-15
Abstract: PURPOSE:To obtain a pair of spectacles with lenses in optimum thickness by adjusting the spectacle lenses on the basis of spectacle prescription and pieces of information on the shape and size of a spectacle frame. CONSTITUTION:For example, a +2.00 spherical refracting power of eye refraction S, 2.00 refracting power of astigmatism, 180 axial direction AXIS, and 64.0 interpupil distance PD are prescribed. Then, those values are listed in an order sheet and a figure showing the shape of a spectacle frame is added to a part corresponding to the manufacture of lenses. Then, minimum-diameter lenses which has enough edge thickness to be fitted in the frame are manufactured at a lens manufacturing place and edge sliding work is carried out according to the shape of the frame. Thus, the thin lenses suitable to the frame are obtained and a finished pair of spectacles has the thinner lenses and is less in weight than that by a conventional method.
Patent JP-H06255210-A (JP)
Title: Printer
Inventor: KOBAYAKAWA KOJI
IPC: B41J29/38
Filed: 1993-03-03
Abstract: PURPOSE:To provide a printer excellent in operability by providing a register means storing the kind of the command set corresponding to the result analyzed by an analyzing means and the discrimination code of a host or terminal as a pair. CONSTITUTION:In a printer, the printing data received from a host computer is stored in the receiving buffer 112 of an RAM 106 through an input/output interface 108. A CPU 103 searches an ID table 115 in which the discrimination code of the host computer stored in a non-volatile RAM 114 and the kind of a command set are stored as a pair to discriminate whether the discrimination code stored in the RAM 106 is registered. When the discrimination code is registered, the program of the command set corresponding to the ID table 115 in which the discrimination code is registered is called out of a program ROM 104 to initialize the printer so as to receive the command set.
Patent JP-2000237899-A (JP)
Title: Forming die for electric sintering
Inventor: AKASHI TAMOTSU
IPC: B22C7/00
Filed: 1999-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a forming die for electric sintering for manufacturing a prismatic sintered body in which the stable attached condition can be obtained in a punch, the forming die, etc., and the energization and heat transfer are uniform, and the uniform sintering can be achieved. SOLUTION: In a forming die 1 for electric sintering having a hollow portion 6 of prismatic section to charge a powder material, the forming die 1 comprises an outer frame 2 and a forming die 3 to be inserted in an opening part 5 of circular section which pierces the outer frame 2 in the vertical direction and is tapered from an upper part to a lower part, the forming die 3 comprises split dies 4 of the same number as the corner number of the hollow portion 6 of the prismatic section, each split die 4 of the sectional shape that one end arch-like portion comprising an arc-like portion and a chord-like portion 8 is notched, and the hollow portion 6 of prismatic section is formed at the chord- like portion 8 by inserting and connecting each split die 4 in the opening part 5 of the outer frame 2 in the horizontal section in the same direction clockwise or counterclockwise.
Patent JP-H04279364-A (JP)
Title: Edge emission type el printer
Inventor: IGA KANAME
IPC: B41J2/44
Filed: 1991-03-08
Abstract: PURPOSE:To realize the conservation of the power of an edge emission type EL printer constituted by connecting edge emission type EL elements driven by a high voltage pulse to a line head. CONSTITUTION:A plurality of common drivers 291-29i are connected to a predetermined number of edge emission EL elements 19 of a line head 20 and the driving of the common drivers 29 not connected to the edge emission type EL elements 19 positioned within the printing region in a main scanning direction corresponding to the size of printing paper is stopped by a power conserving means 30.
Patent JP-S62199941-A (JP)
Title: Fuel feed controller for engine
Inventor: KOBAYASHI TOMOYA
IPC: F02D41/00
Filed: 1986-02-27
Abstract: PURPOSE:To secure the safe and smooth operation by executing the fuel cut before a tapper valve system starts bounce in an engine using a hydraulic rush adjustor in the tappet valve system, thus avoiding miss-fire of the engine. CONSTITUTION:An oil quantity sensor 18 is installed into an oil pan 17, and the signal is input into a control unit 15. The engine revolution speed for carrying out the fuel cut corresponding to the oil quantity is obtained in a fuel cut engine revolution speed calculation circuit by the signal, and the injection pulse width is reduced to zero by an injection pulse width calculating circuit by the signal of the obtained engine revolution speed. An injector 8 is controlled on the basis of the signal, and fuel injection is suspended. Since the engine revolution speed in fuel cut is set at most close tol the engine revolution speed on the start of bounce in a tappet valve system which corresponds to the oil quantity, the miss-fire of the engine can be avoided by the fuel cut before the bounce start, and the safe and smooth operation can be secured.
Patent JP-H07229278-A (JP)
Title: Joint member and joint-constructing method
Inventor: TATENO KOKICHI
IPC: E04F15/14
Filed: 1994-02-17
Abstract: PURPOSE:To adjust the height of a joint member easily and conveniently, corresponding to a concrete placed level from the surface of a foundation bed at the place where a joint is constructed, and to reduce these kinds of metallic molds. CONSTITUTION:A belt-shaped member group 2 formed by sticking together a plurality of belt-shaped members, each of which is composed of a belt-shaped foam member and a belt-shaped sheet member stuck on one side of the foam member, is provided at the upper of the board-shaped part 3a of a joint member 3. In the group 2, the foam member of one of the belt shaped members neighboring with each other and the sheet member of the other thereof are stuck together at points through a number of protrusions and the belt-shaped members neighboring with each other are made freely attachable or detachable. In execution, one or more sheets of the belt-shaped members, which are provide at the upper part of the board-shaped part 3a of the joint member, are peeled off in order that the height of the joint member is made at a height corresponding to a concrete placed level, and the joint member with a specified height can be obtained.
Patent JP-S51118521-A (JP)
Title: Special ruling for notebooks
Inventor: SUGIYAMA MASAYUKI
IPC: B42D1/00
Filed: 1975-04-11
Abstract: PURPOSE: To align the letters without using ruling lines. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H06281142-A (JP)
Title: Tank of normally gaseous fuel stored in liquid phase for instrument used by combustion in gas phase
Inventor: RUNE FURIJIERU
IPC: F23Q2/42
Filed: 1991-03-08
Abstract: PURPOSE: To prevent fuel from reaching a flow-rate controller in a gaseous phase at the time of overfilling of liquid fuel in a fuel tank for storing the fuel in a liquid phase and using it in a gaseous phase. CONSTITUTION: A tank 2 of fuel is formed in a circular or non-circular cylindrical shape in section, has an outlet opening 4 in the center of one 2b of end walls 2b and 2c and is filled with a porous and fibrous material 6 in which fuel captured in a liquid phase is housed. The tank 2 has an extension pipe 7 for connecting the outlet opening 4 to the center of the tank. The free end of the extension pipe 7 located upstream the flow rate controller of the fuel is closed by a sideward partition wall 7b. At least one inlet opening 7c is provided on the tubular wall of the extension pipe 7. The inlet opening has such a size suitable for inducing the formation of a meniscus/interface between the liquid and gaseous phases of the fuel of liquid phase under ordinary storage conditions of the tank 2.
Patent JP-H10238009-A (JP)
Title: Construction method for ceiling heat-insulating material
Inventor: TOMIYAMA KEIICHI
IPC: E04B9/00
Filed: 1997-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a construction method excellent in workability and heat insulation without increasing distribution costs and storage expenses. SOLUTION: A construction method for a ceiling heat-insulating material 1 comprises the steps of pasting a beam backing heat-insulating material 1a shaped corresponding to a beam backing 21 along the beam backing 21 of a ceiling beam 2, of mounting a joist 5 on the ceiling beam 2 after pasting the beam backing heat-insulating material 1a on the beam backing 21 of the ceiling beam 2 and of placing a joist heat-insulating material 1b on the joist 5 excluding the beam backing heat-insulating material 1a pasted on the ceiling beam 2. The beam backing heat-insulating material 1a and the joist heat- insulating material 1b are formed with fiber heat-insulating materials 11 covered by resin films 12.
Patent JP-2000241111-A (JP)
Title: Lens retaining mechanism of interferometer
Inventor: OGAWA KOTA
IPC: G01B11/24
Filed: 1999-02-22
Abstract: PROBLEM TO BE SOLVED: To surely position even a minute lens when a lens is measured by interference. SOLUTION: This retaining mechanism retains a lens 11 in order to measure the form of a spherical surface 11a of a lens 11 with an interferometer, and equipped with a lens backing member 12 which abuts against the spherical surface 11a of the lens 11 positions the lens, a guide member 13 which guides the lens backing member 12 to make it abut against the lens 11, and a pressing means 14 which pushes the lens 11 against the lens backing member 12.
Patent JP-S60189281-A (JP)
Title: Semiconductor laser
Inventor: FURUSE TAKAO
IPC: H01S5/00
Filed: 1984-03-07
Abstract: PURPOSE:To enable to perform a read-out operation immediately after a write-in operation has been conducted as well as to obtain a semiconductor laser having excellent low noise characteristics and high output characteristics by a method wherein two or more semiconductor lasers are constituted on the same semiconductor substrate, and an oscillation of several MHz or more is generated on the optical output of one or more semiconductor lasers. CONSTITUTION:On an N type GaAs substrate 1, an N type Al0.4Ga0.6As layer 2, an N type Al0.3Ga0.7As layer 3, an Al0.12Ga0.88As layer 4 to be turned to an active layer, a P type Al0.6Ga0.4As layer 5, a P type Al0.4Ga0.6As layer 6, and a P type GaAs layer 7 are successively formed by performing the first liquid-phase crystal growing method. Then, a mesa etching reaching the GaAs substrate 1 is performed using a chemical etchant, and a plurality of narrow-stripped regions having an active layer are formed. Two narrow-stripped regions are formed in the diagram. Subsequently, when a slight etching is performed for several seconds using HF as an etchant while it is being stirred up, the P type Al0.6Ga0.4As layer 5 only is etched, and a constricted part 8 where the width is narrowered is formed.
Patent JP-S59189081-A (JP)
Title: Automatic inspecting device for shank bending of welding gun
Inventor: MITSUFUJI SHIYUNJI
IPC: B23K11/24
Filed: 1983-03-15
Abstract: PURPOSE:To inspect automatically the presence or absence of shank bending at every resetting of a welding gun to a standby position by providing a clamping member for fixing the welding gun in a prescribed position and an inspecting member for inspecting the shank bending. CONSTITUTION:A supporting frame 9 is erected perpendicularly from a foundation frame 8 in the standby position of a welding gun 1 to support a clamping device 10 and an inspecting device 11. When the gun 1 is reset from the welding position to the standby position, the device 10 fixes the gun 1 as clampers 12, 12 are actuated by cylinders 13, 13 to clamp a lower arm 2b. The lower cylinder 23 of air cylinders 22, 23 operates to rise a sensor part 17 from a position M to U. All the light emitting elements 25 are made to emit light and whether all the photodetectors 26 opposite thereto are turned on or not is checked. A ''presence'' of shank bending is decided when any one photodetector 26 is off. The sensor part 17 is lowered to a position D and the presence or absence of the shank bending is inspected with a lower shank 6 in the same way as mentioned above.
Patent JP-H06259509-A (JP)
Title: Three-dimensional data preparing device
Inventor: KAWASAKI HIROBUMI
IPC: G06F17/50
Filed: 1993-03-04
Abstract: PURPOSE:To efficiently cancel specific work in plural solid fusion. CONSTITUTION:At the time of executing the fusing work of solids, a data memory 12 stores the solid data of an intersecting line and an erased part due to fusion together with an intersecting line identifying number expressing the generation of the work. When a solid to be canceled is specified by a mouse 40, a device body 10 retrieves an intersecting line relating to the solid. The erased solid is accessed based upon the intersecting line number of the intersecting line and a state held before the fusion is restored based upon the fused solid, the erased solid and the intersecting line. When work relating to the solid is canceled in order from the newest work, only the work relating to a required solid can be canceled. Consequently only required fusing work can be canceled and a required solid can be restored.
Patent JP-S61203353-A (JP)
Inventor: NAKAMURA KINYA
IPC: B65D33/22
Filed: 1985-03-05
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-2000238677-A (JP)
Title: Car body covering structure for electric vehicle
Inventor: MATSUYAMA MOTOAKI
IPC: A61G5/04
Filed: 1999-02-22
Abstract: PROBLEM TO BE SOLVED: To reduce the cost for repairment when a car body front cover is deformed, ruptured and the like and to improve the appearance of a vehicle. SOLUTION: In this covering structure, a sheet 3 is mounted on a rear part of a car body, a floor mat 70 is mounted on its front part, and a shield-shaped leg shield (10, 20, 30, 40) is mounted in front of the floor mat 70. The leg shield (10, 20, 30, 40) is formed into the taper shape having an upper shield part having a comparatively narrow lateral width and extending to an upper side, and a lower overhanging part having a comparatively wide lateral width and overhanging laterally outwardly, and is divided into a front upper member 10 forming a front side part of the upper shield part, a lower member 20 forming a lower overhanging part, a rear member 30 forming a rear part of the upper shield part, and a garnish 40 (lateral plate-shaped member) 40 mounted between the front upper member 10 and the lower member 20.  A head light 50 is fixed to a rear side of the garnish 40 so that it is exposed to a front side of the garnish 40, and the garnish 40 is demountably fixed from a rear side of the rear member 30 by means of a mounting screw.
Patent JP-2000247500-A (JP)
Title: Document processing device and picture image formation device
Inventor: NARUSE HARUO
IPC: B65H85/00
Filed: 1999-02-23
Abstract: PROBLEM TO BE SOLVED: To shorten a conveyance path for reversing and discharging a document and reduce the number of deflection means such as a flapper. SOLUTION: A reversing and discharging part 22 having a reversing path P2 for reversing and discharging a document conveyed from a conveyance belt 20 conveying the document to a predetermined position is provided. The reversing and discharging part has a first conveyance path which passes a boundary part between the conveyance belt and the reversing and discharging part and extends from the reversing path to the boundary part, a second conveyance path which is branched from the halfway of the reversing path and extends up to a document receive base 23, and a third conveyance path extending from the boundary part up to the document receive base and has a first flapper 39 introducing the document conveyed from the conveyance belt into the reversing path and the third conveyance path selectively.  A tip of the first flapper can be displaced to a first position positioned substantially above the boundary part and a second position lower than the first position.
Patent JP-H09214771-A (JP)
Title: Picture reading device
Inventor: TAKEYAMA YOSHINOBU
IPC: H04N1/409
Filed: 1996-02-06
Abstract: PROBLEM TO BE SOLVED: To surely read a noiseless and clear black line in a light part without lowering reading speed at the time of including continuous dark parts in an original picture. SOLUTION: A picture reading device 20 is composed of an optical system optically reading the original picture, CCD 7 electrically converting it as picture element data and a processing system executing various kinds of processings in picture element data. The processing system is provided with an original picture discriminating means 17 and an integration averaging means 18. The original picture discriminating means 17 compares picture element data with a previously set reference voltage so as to discriminate whether or not it is the dark part of the original.  When it is discriminated that the prescribed number of pieces of picture element data is in existent as the dark part by the original picture discriminating means 17, the integration averaging means 18 executes the integration averaging processing to the prescribed number of pieces of continuous picture element data being the dark part, newly outputs the integration-average picture element data by the number of processed picture elements so as to replace them with original picture element data.
Patent JP-H11231009-A (JP)
Title: Simple noise testing device
Inventor: TSUTAGAYA HIROSHI
IPC: G01R31/00
Filed: 1998-02-12
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized, light-weighted, and simple noise testing device capable of preventing breakdown of the circuit of a body under test and an electronic component and being handily handled. SOLUTION: A circuit provided with a high voltage generator 16 generating high voltage using a battery 11 as an electric power source, an energy storage capacitor 20 charging the high voltage of the generator 16, a pulse generating switch 21 changing over charging and discharging of the capacitor 20, and an output terminal 23 connected to the high voltage side of the capacitor 20 through the switch 21, is received in a portable case 30. The earth side of this circuit is connected to a conductor 25 received in the same portable case 30, and the output terminal 23 is connected to an electric discharge probe 24 applying high voltage pulse to a circuit under test.
Patent JP-H0722972-A (JP)
Title: Intermediate-frequency digital receiver and base-band filtration method executed in said receiver
Inventor: FUREDERITSUKU GURUGE
IPC: H04B14/06
Filed: 1994-03-15
Abstract: PURPOSE: To obtain a highly accurate and adaptive intermediate frequency digital receiver without drifts and capable of suiting to various modulation and band width, excluding interference and controlling its characteristics as necessary to attain prefiltering or filtering suited to equalization. CONSTITUTION: The digital receiver includes an antenna means 11 for collecting a signal, a means 21 for converting an input signal into a prescribed intermediate frequency signal and a base band processing means 14. The receiver includes also an analog/digital conversion means 15 for receiving the intermediate frequency signal from its input part and utilizing oversampling related to a signal band width and dimension filtering means 9, 10 connecting their output parts to a base band processing means 14 and capable of receiving a converted signal outputted from the means 15 by respective input parts.