baber/WOPTO huggingface dataset:
Patent JP-2000098153-A (JP)
Title: Optical device packaging structure
Inventor: TAKAHARA HIDEYUKI
IPC: H01L31/0232
Filed: 1998-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a high-density optical device packaging structure which is capable of multiplying an optical device packaging density and makes thin type packaging possible. SOLUTION: Reflection surfaces 12 are formed in the prescribed positions on both surfaces of film optical wiring formed with a plurality of optical waveguide cores 11 in which light signals propagate within the clad layer of an optical waveguide 10 consisting of the refractive index smaller than the refractive index of the optical waveguide cores 11. The reflection surfaces 12 are formed of diagonal surfaces deeper than the optical wavegide cores 11 by forming an angle at which the light signals totally reflect or an angle of 45 deg. with the propagation direction of the light signals propagating in the optical waveguide cores 11.  The optical devices 15 are fixed to both surfaces of the film optical wiring in the respective positions where the propagating light of the optical waveguide cores 11 reflected by the reflection surfaces 12 are received or the position where the light signals emitted from the optical device 15 are reflected by the reflection surfaces 12 and are propagated into the optical waveguide cores 11 by using >=1 bumps 14.
Patent JP-H03127448-A (JP)
Title: Lead-acid battery
Inventor: SUZUI YASUHIKO
IPC: H01M2/18
Filed: 1989-10-12
Abstract: PURPOSE:To lengthen the life of a battery without impairing battery characteristics by providing a separator enclosing an electrode plate with line ribs in a folding line shape, and thereby arranging said line ribs in line with the seal sections for bagging. CONSTITUTION:A bag shaped separator 1 is sealed at seal sections 2 located at the right and left ends of it, and a plurality of line ribs 3 in an angle type folding line shape is provided in parallel with the seal sections 2. by this constitution, the separator is completely prevented from being ruptured because the line rib sections 3 are deformed while the internal dimension of the separator is changed, even if a positive electrode plate 4 is expanded in excess of the internal dimension of the separator 1.
Patent JP-H07118881-A (JP)
Title: Production of boiler corrosion inhibitor
Inventor: ITO MASAYO
IPC: C23F11/14
Filed: 1993-10-26
Abstract: PURPOSE:To provide the production method of an improved boiler corrosion inhibitor which is developed for the purpose of further improving the properties of the corrosion inhibitor consisting of a thermal reaction product of an amino acid and at least one compound selected from ascorbic acid, erythorbic acid and their salts. CONSTITUTION:In this production method, at least one compound selected from ascorbic acid, erythorbic acid and their salts, a caustic alkali and an amino acid are dissolved into water and thereafter the resulting solution is subjected to heat treatment at >=80 deg.C. Alternatively, a caustic alkali and at least one compound selected from ascorbic acid, erythorbic acid and their salts are dissolved into water and then the resulting solution is subjected to heat treatment at >=80 deg.C and thereafter an amino acid is mixed into the heat-treated solution. Thus, the boiler corrosion inhibitor which has good corrosion preventing properties and preservation stability and with which steam having a lesser impurity content can be obtained is produced.
Patent JP-H07122315-A (JP)
Title: Electrical connection jig and electrical connection method using this jig
Inventor: KUROKAWA HIROSHI
IPC: H05K3/36
Filed: 1993-10-26
Abstract: PURPOSE:To conduct the connection of a flexible circuit board to a rigid circuit board by one operation to enhance efficiency of connection work time by installing a supporting plate, a ratchet pin, a metallic plate with a spring, and a guide pin. CONSTITUTION:An electrical connection jig has a supporting plate 1, a ratchet pin 3, a metallic plate 2 with a spring, and a guide pin 13. By using this jig, terminals installed in a flexible circuit board 4 and a rigid circuit board 8 are piled so as to contact each other. The guide pin 13 passes through the board 4 and the board 8 so as to fix the terminal positions, and at least the pin 3 passes through the board 8. The pin 3 passing through the board 8 is energized together with the metallic plate 2 so that terminals of the boards are brought into contact each other at specified pressure.
Patent JP-H06120490-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: HAMADA AKIYOSHI
IPC: H01L29/51
Filed: 1992-10-06
Abstract: PURPOSE:To prevent hot carrier to be trapped by a base insulating film under a first region and to prevent deterioration of transistor characteristics due to injection of hot carrier by removing the base insulating film under the first region. CONSTITUTION:When an oxide film under a gate electrode is removed, a gate 3 is not removed, a field oxide film is also slightly deleted, but formed to be sufficiently thick, a role as a field insulating film is not impaired. The oxide film under the gate electrode is removed so that a part under the gate electrode 10 becomes a cavity. Then, it is allowed to left for an oxygen atmosphere at the ambient temperature, and an Si substrate surface 1 is terminated at O. Thus, hot carrier to be trapped by the base insulating film under the first region is prevented, and deterioration of transistor characteristics due to injection of the carrier can be prevented.
Patent JP-H09113235-A (JP)
Title: Three-dimensional measuring method and indication method and three-dimensional measuring device
Inventor: HORIE MASAHIRO
IPC: G06T7/00
Filed: 1995-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a three-dimensional measuring method and a device by which the surface shape of a sample can be measured in high resolution without reducing the relative moving quantity of the sample in height direction. SOLUTION: Confocal pictures are sensed at multiple height positions different from each other in height direction of a sample, and every picture element is processed based on the obtained confocal pictures through the following steps, so that the surface height data H (x, y) is obtained as the surface information corresponding to the picture elements. First, a first height position D (m) where the light quantity becomes the maximum in height direction is obtained, and a first light quantity Fm (x, y) at the position D (m) and second and third light quantities Fm-1 (x, y) and Fm+1 (x, y) at second and third height positions D (m-1) and D (m+1) which are close to the upper side and lower side of the position D (m) respectively, are obtained.  Then, with the aid of the result, a quadratic curve showing a change in light quantity at every position is obtained, and the extremal value of the light quantity is obtained according to the quadratic curve. Further, the height position Dmax corresponding to the extremal value is determined as a surface height data H (x, y).
Patent JP-H1199885-A (JP)
Title: Av system for vehicle
Inventor: ISHIDA TETSUYA
IPC: B60R11/02
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To improve the operational efficiency of each speaker by efficiently outputting the sound signal to be outputted from each AV equipment from each designated speaker even when the number of speakers is smaller than the number of AV equipment. SOLUTION: In an AV system, an input switching function and an output switching function are provided in an audio-amplifier circuit 5, a control circuit 4 is actuated according to the operational content of a remotely-controlled device to control the input switching function and the output switching function of the audio-amplifier circuit 5. The sound signal to be selected by the remotely- controlled device out of the sound signal to be outputted from a TV tuner device 2 and the sound signal to be outputted from a radio device 3, is amplified, and outputted from one or more speakers 6 designated by the remotely- controlled device out of the speakers 6.
Patent JP-H06119776-A (JP)
Title: Dynamic semiconductor memory
Inventor: HIRAYAMA KAZUTOSHI
IPC: G11C29/00
Filed: 1992-10-06
Abstract: PURPOSE:To obtain a dynamic semiconductor memory preventing destruction due to an internal boosting node at a burn-in time and setting a burn-in time to a proper value. CONSTITUTION:A P type MOS transistor 13 is turned ON by a control signal B. I. Enable' at a burn-in time, and an internal boosting signal is cramped to an internal source voltage + the threshold value Vth of an N type MOS transistor 14 level. The path of the transistors 13, 14 is interrupted always at a regular time excepting that, and the internal boosting signal is an internal source voltage + the threshold value Vth of an n type MOS transistor 11 + the threshold value Vth of the n type MOS transistor 12 level. Then, when the threshold values Vth.n of the n type MOS transistors 11, 12, 14 for cramping are equal, the internal boosting signal becomes the internal source voltage + 2XVth.n at a regular time and the internal source voltage + Vth.n at a burn-in time, and the internal boosting signal is lowered by the Vth.n in a cramp level at a burn-in time than a regular time, and the node conducted to the signal is protected by that.
Patent JP-H01146565-A (JP)
Title: Multileaf collimator
Inventor: FURANSHISU YOHANESU SUPAN
IPC: A61N5/10
Filed: 1988-10-25
Abstract: PURPOSE: To realize an inexpensive and light-weight multiple leaf collimator by a method wherein first confronted block diaphragm leaves which can approach and move away from each other in the orthogonal direction to the path direction of radiation, and second confronted block diaphragm leaves which can approach and separate from each other in the orthogonal direction to the first confronted block diaphragm leaves are provided. CONSTITUTION: Along a radiation path from a point source 10, a multiple leaf collimator assembly 17, and a first pair of confronted block diaphragm leaves 30, 31 which can individually perform a translation movement in such a manner that the confronted block diaphragm leaves 30, 31 may approach and move away from each other in the lateral direction to the direction of the radiation path from the point source 10, are provided behind a main collimator 16. In the lateral direction to the direction of the radiation path from the point source 10, a second pair of confronted block diaphragm leaves 35, 36 which approach and move away from each other in the orthogonal direction to the moving direction of the first pair of the confronted block diaphragm leaves 30, 31, are arranged in order.  The multiple leaf collimator assembly is arranged so as to be close to the radiation source, and by using a small and thin collimator leaf, the radioactive ray can be projected to a specified area of a patient.
Patent JP-2001088223-A (JP)
Title: Apparatus for producing thermoplastic resin long object reinforced by long fibers
Inventor: SAKAI YASUHIRO
IPC: B29C70/52
Filed: 1999-09-21
Abstract: PROBLEM TO BE SOLVED: To develop a means for preventing the generation of fluff or pill at the time of production of a long fiber reinforced resin long object. SOLUTION: The longitudinal cross-sectional shape of the shaping nozzle 1 bored in the downstream end wall Vd of an opening and impregnation tank V is formed from a conical part 11 and the land 12 having a cylindrical surface continued thereto, the vertical angle (α) of the inner wall surface 11i of the conical part is set to 15-35 deg., the length of the land is set to 1-5 mm, and the thickness of the downstream end wall Vd is set to 5-30 mm. A molten resin is introduced from a supply mechanism (not shown in a drawing) through a resin introducing port Vi. A continuous fiber bundle F is introduced through the fiber bundle introducing port Vuf or Vtf provided to an upstream end wall Vu or the upstream region of a top plate Vt, and impregnated with the resin while opened by the opening construction member RP in a main apparatus V.  The impregnated fiber bundle is drawn out of the main apparatus V toward the downstream area by a drawing-out device (not shown in a drawing) while squeezed by the shaping nozzle 1 to obtain a long fiber reinforced resin long object S. Fluff or pill is not almost generated in the periphery of the outlet of the shaping nozzle 1 bored in the opening and impregnation tank V.
Patent JP-H10113876-A (JP)
Title: Diamond grindstone, its manufacturing method and tool
Inventor: ONISHI HITOSHI
IPC: B24D3/06
Filed: 1996-10-08
Abstract: PROBLEM TO BE SOLVED: To save labour of grindstone dressing work, to doubly keep working speed and a smooth finish property and to restrain tooth breaking by secondarily sintering a primarily sintered body constituted by sintering diamong abrasive grains a grain siameter of which is lower than a specific value and primary binding material particles and a grain diameter of which is within a specific range. SOLUTION: A grindstone 10 is constituted by secondarily sintering a primary sintered body 3 constituted by sintering diamong abrasive grains 1 and primary binding material particles 2 with secondary binding material particles 4. A processing surface is smoothly finished at the time of processing by making a grain diameter of the abrasive grains 1 less than 10μm. A grain diameter D of the primary sintered body 3 is within a range of 2μm-200μm. The abrasive grains 1 and the primary binding material particles 2 firmly bind each other on a fusion phase, and tooth breaking is prevented. The secondary binding material particles 4 are removed in advance on a grinding surface in the middle of processing, a pocket 6 is formed on the grinding surface, dropping of the abrased abrasive grains is promoted, and a grindstone dressing effect is provided.
Patent JP-S62128247-A (JP)
Title: Discrimination circuit for digital signal
Inventor: SATO TOSHIBUMI
IPC: H04L25/08
Filed: 1985-11-28
Abstract: PURPOSE:To discriminate easily whether a signal is an analog signal or a digital signal by comparing an output of a difference detection means for detecting a mean value in a difference of a reception base band signal and reception data with a noise power ratio of a receiver or its function value. CONSTITUTION:The titled circuit consists of a data discrimination means 101, a difference detection means 102 and a discrimination means 103. The difference detection means 101 is a threshold value circuit inputting a reception base band signal (base band signal) gamma and outputting reception data (d) of a binary signal and discriminates it as d=1 when gamma>=0 and as d=-1 when gamma<0. The difference detection means 102 outputs the mean value or a square means value of the absolute value of the difference epsilon=gamma-d between the reception base band signal gamma and the reception data (d). The discrimination means 103 compares an output of the means 102 with a noise power ratio S/N of the receiver or a discrimination function, (g) for its function value f(S/N) and sends a discrimination signal (x).
Patent JP-H0692895-A (JP)
Title: Currexalene compound for instantaneous adhesive and its production
Inventor: SUTEFUAN JIEI HARISU
IPC: C08G75/02
Filed: 1992-09-10
Abstract: PURPOSE: To provide the subject new compounds exerting cure accelerating effect for cyano-acrylate monomer derived instant adhesive used as accelerators for instant adhesives or the like which are formed by allowing a specific phenolic calixarene to react with an alkyl haloacetate.  
     CONSTITUTION: After para-tert,-butylphenol, paraformaldehide, 5N rubidium hydroxide aqueous solution and xylene are mixed together and reflux-heated for 5 hours, the reaction products are cooled down and the precipitates are separated by filtration and suspended in chloroform, then the organic layer is isolated by washing with 1N hydrochloric acid and condensed and mixed with methanol, the precipitate therefrom is separated thereby obtaining a corresponding hexamer. Subsequently, after being treated with aluminum chloride in toluene, the said hexamer is refluxed for 48 hours in dry acetone together with an alkyl haloacetate such as ethyl bromoacetate or the like and potassium carbonate, thereby obtaining the calixarene compounds shown by the formula [wherein R 1  is a (substituted) alkyl or (substituted) alkoxy; R 2  is H or an alkyl; (n) is 4, 6 or 8]. 
     COPYRIGHT: (C)1994,JPO
Patent JP-S61147850-A (JP)
Title: Alloy for sealing glass
Inventor: YUKI NORIO
IPC: C03C27/08
Filed: 1984-12-21
Abstract: PURPOSE:To obtain an inexpensive alloy for sealing glass having superior sealing performance and capable of being substituted for a 42Ni-6Cr-Fe alloy by incorporating specific amounts of Cr, C, O, N, H, P, and S to Fe. CONSTITUTION:The alloy for sealing glass consists of, by weight, 15-30% Cr, <0.02% C, <0.015% O, <0.025% N, <0.0005% H, <0.05% P, <0.05% S, and the balance Fe with inevitable impurities, or further contains, as the auxiliary component, 1 or >=2 kinds among 0.1-3% Si, 0.1-1% Mn, and 0.05-1% Al, or 1 or >=2 kinds among 0.05-1% Ti, 0.05-1% Zr, 0.05-1% Nb, 0.01-2% Cu, 0.01-3% Mo, 0.01-0.5% Mg, 0.01-0.5% Ca, 0.01-0.5% V, and 0.005-0.2% B, or both of the above two components.
Patent JP-2001087451-A (JP)
Title: Game machine
Inventor: MIWA MINORU
IPC: A63F5/04
Filed: 1999-09-22
Abstract: PROBLEM TO BE SOLVED: To facilitate operation for stopping a target picture pattern at a target position concerning a game machine for aiming at a jackpot by stopping the scrolling picture pattern. SOLUTION: A musical interval corresponding to the position of a specified picture pattern (picture pattern distance) is determined and sounded on the basis of a musical interval map. The closer the specified picture pattern is to a prize line 17a, the higher the sound becomes or the narrower a sounding interval becomes and when the prize line 17a is passed, a change such as silencing occurs. By listening to the change of the musical interval outputted from a speaker 23, a player can estimate where the specified picture pattern is located and by operating a stop switch 30a while aiming at the peak of that musical interval, possibility for the specified picture pattern to stop on the prize line 17a is extremely increased. Even when point pressing is impossible, the high jackpot can be provided.
Patent JP-2000106009-A (JP)
Title: Vehicle headlight
Inventor: WITTMEIER ERWIN
IPC: F21V7/00
Filed: 1999-09-22
Abstract: PROBLEM TO BE SOLVED: To sufficiently light at least in one side region in the front of a vehicle by separated reflecting surface. SOLUTION: At least one separated reflecting surface 24 of a reflector 10 is at least partially divided into plural cut surfaces 34 by plain parting lines 32. At least part of these cut surfaces 34 is formed so that light beams sent from a light source 16 are reflected by the cut surface 34 to at least one side region in the front of a vehicle.
Patent JP-H0691839-A (JP)
Title: Production of metal mask for solder paste printing
Inventor: MATSUMOTO TAKESHI
IPC: H05K3/24
Filed: 1992-09-10
Abstract: PURPOSE:To smooth an inner surface of a through hole and stabilize solder paste loadings by a method wherein in the production of a metal mask, after through holes are formed in a metal plate the metal plate is electrolytically polished while' being transported in an electrolytically polishing solution flow by conductive transport means. CONSTITUTION:By shower nozzles 11, purified water is jetted to the both surfaces of a finished metal mask 6 transported by transport rollers 12 to remove a residual electrolyte 9. Next, while the metal mask 6 is transported by the transport rollers 12, the finished metal mask 6 is dried by hot air from air showers 13. Then, the production of the finished metal mask 6 is completed. A metal mask 5 is electrolytically polished by spray nozzles 8 by a doubleside showering method while being transported in the solution flow of the electrolyte 9 by transport rollers 7, 10.
Patent JP-H04146794-A (JP)
Title: Needle thread guide device for two-needle sewing machine
Inventor: YOSHIMOTO TSUKASA
IPC: D05B45/00
Filed: 1990-10-09
Abstract: PURPOSE:To prevent two needle threads from being entangled by providing two thread guides movably in the perpendicular direction to each other, and inserting the right and left needle threads into separate guides to be displaced perpendicularly to each other. CONSTITUTION:The needle thread feed quantity L1theta of a left needle thread Sl is -AEC when a small thread guide left 6 is located at the right limit of the movement range. The needle thread feed quantity L1theta of a right needle thread Sr is -AEG when a small thread guide right 40 is located at the most front end position of the movement range. When the small thread guide left 6 is moved to the left limit position while a fixing screw 62 is loosened, the tension path of the left needle thread Sl becomes -AEF. When the small thread guide right 40 is slid within the range P on a support shaft 44, while a set screw 43 is loosened, then fixed at the most rear end, the tension path of the right needle thread Sr becomes -AEH. The tension paths of the right and left needle threads Sr, Sl are independently changed, and two needle thread feed quantities L1theta, L1theta can be adjusted. The feed quantities of the right and left needle threads Sr, Sl can be adjusted independently and correctly, the right and left adjustment can be easily performed, and two needle threads are not entangled or cut.
Patent JP-S61146582-A (JP)
Title: Cassette ribbon driver
Inventor: KOGA YOSHITOMO
IPC: B41J33/14
Filed: 1984-12-20
Abstract: PURPOSE:To enable cassette ribbons to be freely selected by setting plural ribbon feed pulleys to be driven by the same motor in such a way as to permit at least two kinds of cassette ribbons to be handled. CONSTITUTION:Two ribbon feed pulleys 4A and 4B are provided, by which any of cassette ribbons A and B having different drive shaft positions can be allowed for attachment. The pulleys 4A and 4B are driven by a motor attached to the carriage frame When the cassette ribbon A, for example, is attached to the cassette ribbon driver, the ribbon drive shaft of the ribbon A is engaged with the pulley 4A, and the positioning projection is fitted into the positioning holes 2A and 3A of the ribbon bracket 1.
Patent JP-H11112753-A (JP)
Title: Picture processor
Inventor: SAKAGAMI HIROFUMI
IPC: G06T1/20
Filed: 1997-10-02
Abstract: PROBLEM TO BE SOLVED: To shorten the developing period of a picture processing part constitut ing a color copying machine and to facilitate the change of an internal logic. SOLUTION: Inputted and log-converted picture data is divided into plural bands and alternately written in storage means 7 and 8. In reading, picture data of each band is divided in a main scanning direction and a logic arithmetic means 3 to 6 pipeline-processes each divided data to write data for the portion of one band to a storing means 9. At the same time when data for the portion of one band is outputted to a printer. Next pipeline-processed divided data is written in a storage means 10. At the time of realizing the copying machine, logic information realizing a filter circuit, a color correction circuit, etc., is set to the logic arithmetic means from a storage means 12.