baber/WOPTO huggingface dataset:
Patent JP-H10224038-A (JP)
Title: Wiring board for mounting flip-chip
Inventor: NOMURA YOSHITOSHI
IPC: H05K3/46
Filed: 1997-02-07
Abstract: PROBLEM TO BE SOLVED: To eliminate recess from the major surface of a structure where a plurality of vias penetrate the opening of an inner metal plane layer without increasing the number of manufacturing steps when a flip-chip is mounted on the major surface. SOLUTION: The wiring board 1 comprises connection pads 2 for mounting a flip-chip on the major surface 1A, an inner metal plane layer 4 for power supply, a conductor wiring layer 8 and a plurality of via lines 10 penetrating an opening 6 made in the metal plane layer 4 and connecting a pad 2 with any one conductor wiring layer 8. Total area, in the plan view, of all via covers 12 located between vias 10a, 10b substantially in the opening 6 is set at 30% or larger than the area of the opening 6. Interval S of the via cover 12 and the interval S between the via cover 12 and the edge 6a of the opening 6 are preferably set shorter than 90μm.
Patent JP-S52108808-A (JP)
Title: Running control system for tape recorder
Inventor: TAMURA AKIRA
IPC: G11B15/087
Filed: 1976-03-10
Abstract: PURPOSE: To control a motor control circuit so as to maintain the tape speed during the fast forward operation at a constant level by detecting the number of revolutions of a delivery reel of a system, in which the number of revolutions of a tape drive motor is detected to maintain the tape speed constant. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000222821-A (JP)
Title: Information-recording/reproducing apparatus
Inventor: HIGUCHI ICHIRO
IPC: H04N5/85
Filed: 1999-02-02
Abstract: PROBLEM TO BE SOLVED: To obtain an information-recording/reproducing apparatus which can simultaneously record and reproduce information to one optical disk and can also fast-forward reproduce the information while being recorded. SOLUTION: The apparatus has an information-recording part R for recording information to an optical disk 1 with a higher recording rate than an input rate from the outside, an information-reproducing part P for detecting information recorded to the optical disk 1 with a higher detect rate than an output rate to the outside, reproducing and outputting the information, and a CPU 14 for controlling the information-recording part R and the information- reproducing part P so that the information from the optical disk 1 is reproduced while information is kept input from the outside for a period while information is not recorded which is generated because of a difference between the recording rate and the input rate and, information not recorded yet is recorded while information is kept output to the outside for a period while information is not detected which is generated because of a difference between the detect rate and the output rate. At the reproduction of information, the CPU 14 intermittently detects information from the optical disk 1, continuously reproduces the information and fast-forwards the information.
Patent JP-H02288855-A (JP)
Title: Pyrrolidine derivative
Inventor: YAMANAKA MOTOSUKE
IPC: A61K31/4025
Filed: 1990-02-02
Abstract: NEW MATERIAL:The compound of formula I [X is H, halogen or lower alkyl; R is (substituted) alkyl, (substituted) naphthyl or heteroaryl] or its salt. EXAMPLE:(+ or -)-trans-3-(2-Chloro-3-hydroxyphenyl)-4-(3,4-dihydroxyphenyl)pyrrolidine hydrobromide. USE:A drug. A remedy and preventive for diseases to which dopamine 1 agonist action is effective. A remedy and preventive for hypertension or remedy and preventive for cardiac insufficiency. PREPARATION:The trans-isomer of the compound of formula I can be produced by adding a compound of formula IV (R<6> is OH-protecting group; R<7> is lower alkyl) to a compound of formula V to produce a compound of formula VI as an addition reaction product, reducing the compound to a compound of formula VII, cyclizing the product to obtain a compound of formula VIII, isomerizing to a transisomer, reducing the isomer and finally removing the protecting groups.
Patent JP-H08239428-A (JP)
Title: Binder for nonwoven fabric
Inventor: NAKAYAMA KIYOSHI
IPC: D04H1/587
Filed: 1996-02-13
Abstract: PURPOSE: To obtain a binder for nonwoven fabrics which exhibits solubility characteristics varing with water quality by using a water-sol. (meth)acrylic acid-(meth)acrylic ester copolymer contg. a specified amt. of (meth)acrylic acid units of a salt type. CONSTITUTION: This binder for nonwoven fabrics is a copolymer which is formed from 10-90wt.% (meth)acrylic acid and 90-10wt.% at least one alkyl (meth)acrylate having a 1-18C alkyl group and of which 2-70mol% of (meth) acrylic acid units are of a salt type. The alkyl (meth)acrylate is pref. selected from among butyl acrylate, 2-ethylhexyl acrylate, butyl methacrylate, and 2- ethylhexyl methacrylate. The binder pref. has an average mol.wt. of 5,000-100.000.
Patent JP-2000224086-A (JP)
Title: Diversity reception method and diversity receiver
Inventor: OKANOUE KAZUHIRO
IPC: H04B7/08
Filed: 1999-02-02
Abstract: PROBLEM TO BE SOLVED: To suppress the power consumption of a receiver, to increase the number of antenna branches and to improve receiving characteristics through detection of the receive of a packet, by successively switching the antennas when the receive of the packets is not detected, interrupting the switching of antennas when the receive of the packets is detected and demodulating the packets, according to all the signals after the packets are detected. SOLUTION: Respective signals received by n antenna branches 100-1 to 100-n are inputted to first switch groups 101-1 to 101-n. A 'pulse in middle of packet reception' is inputted to the first switch groups 101-1 to 101-n from a packet detecting circuit 108, and the switch group is so set as to output the respective signals received by the n antenna branches 101-1 to 101-n to demodulation circuits 105-1 to 105-n, while the pulse is being inputted. The respective signals received by the n antenna branches 100-1 to 100-n are outputted to a second switch 102, when a 'pulse in middle of packet reception' is not inputted.
Patent JP-H06238766-A (JP)
Title: Hollow molded form with hollow rib
Inventor: MATSUMOTO MASATO
IPC: B29C49/02
Filed: 1993-02-15
Abstract: PURPOSE:To improve a strength even with a light weight due to a rib having an excellent external appearance and a hollow structure by providing a hollow part in the rib of a thermoplastic resin hollow molded form having the rib. CONSTITUTION:A thermoplastic resin hollow molded form has an outer layer 7 made of thermoplastic resin, a molded form hollow part 9, a rib 8 and a rib hollow part 9'. The rib 8 is coupled integrally with the layer 7 at both ends through the hollow part 9. A ratio of the rib 8 of the hollow part 9' formed in the rib 8 to an entire volume is preferably 10% or more, the hollow part 9' is not always not necessary to be a sealed state in the rib 8, but may partly communicate with the hollow part 9 of the form, or may be opened at its one end out of the form through the layer 7 of the form to form a rib hollow open end 12.
Patent JP-S62182975-A (JP)
Title: Graphic input device
Inventor: MAENAKA SATOSHI
IPC: G06T5/30
Filed: 1986-02-07
Abstract: PURPOSE:To automatically input the bit of information of a drawing to a computer, by using a sequence of points means which finds the coordinate string of a point at a center line by picture-processing a picture data in which the drawing is binary-coded, a coding means, and a correction dictionary. CONSTITUTION:When the drawing is inputted from a picture data input means 1, a binary picture data is obtained, and it is stored at a picture data storing means 2. Since the picture has the thickness of a line, a sequence of points means 3 converts it to the sequence of points data of the coordinate of the point at the center of the line, then storing it at a sequence of points data storing means 4. Next, a coding means 5 makes into a code the sequence of points data stored at the sequence of points data storing means 4 with a straight line, and a circular arc. At such a time, based on the correction dictionary which stores a correction code to correct the code corresponding to the code when the range of the code within a prescribed section is designated, a code correcting means corrects the code within a designated section depending on the above stated correction dictionary 10A.
Patent JP-H07260912-A (JP)
Title: Method and equipment to measure saturated magnetic flux density
Inventor: TOOMASU EMU JIGIIRINSUKII
IPC: G01N27/74
Filed: 1995-02-14
Abstract: PURPOSE: To precisely measure a saturation magnetic flux density by means of a simple device by symmetrically arranging two sample holders, on which sample coils are wound, on the opposed sides of a rotational cylindrical permanent magnet. CONSTITUTION: A cylindrical permanent magnet 13 is provided with a magnetizing axis in the direction crossing a rotation axis 14A orthogonally and is rotated in the arrow B direction around the axis 14. Sample holders 11, 12 are symmetrically arranged on the opposed faces of the magnet 13, while its shaft is arranged on a face crossing the axis 14 orthogonally, and an inductive pickup coils 16, 17 wound on the holders 11, 12 are connected together in series so that voltage induced by a variable magnetic field of the magnet 13 is reversed.  When a material (magnetic material) in which magnet powder is scattered is placed on one of the holders 11, 12, for example, a magnetic field is generated by means of a magnetic field from the magnet 13 and a voltage generated on only one side related to the material is induced, and balance of the signals from the both coils 16, 17 is upset, so that this voltage signal is measured 19 so as to detect a concentration of the magnet powder and saturation magnetization.
Patent JP-H02203270-A (JP)
Title: Test material for detecting benzotriazole
Inventor: INOUE YOSHIYUKI
IPC: G01N31/00
Filed: 1989-02-02
Abstract: PURPOSE:To easily decide the presence or absence of benzotriazole by depositing silver nitrate and acid-base indicator on a carrier. CONSTITUTION:A test material is formed by depositing the silver nitrate and the acid-base indicator on the carrier. The silver nitrate reacts with the benzotriazole to form nitric acid if the benzotriazole is incorporated into a liquid to be tested. A decrease in the pH of the measuring system is then resulted and the acid-base indicator is discolored. The carrier is preferably a porous material or water permeable material, etc., which can internally carry the silver nitrate and the acid-base indicator. The carrier is preferably white or colorless and transparent. The presence or absence of the benzotriazole is easily discriminated in such a manner.
Patent JP-S55120445-A (JP)
Title: Acid-setting type resin composition and composition for mold
Inventor: YAMAMOTO YASUNOBU
IPC: C08L61/00
Filed: 1979-03-07
Abstract: PURPOSE: To produce the non-toxic and highly safe mold for casting by letting the latent hardener be at least one kind of the sulfur compounds forming sulfur trioxide by ozone.  
     CONSTITUTION: The acid-setting resin composition composed of the organic resins which set at ordinary temperature by acids and the latent hardener for said organic resins. This resin composition sets at ordinary temperature when ozone is passed. More specifically, the latent hardener is one kind of sulfur compounds that can form sulfur trioxide by ozone. At least one kind composed of urea-formaldehyde-base resins, melamine-formaldehyde-base resins and furan base resins is used for the acid-setting resins to be used and their copolymers are also included. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S57139763-A (JP)
Title: Paper feed and discharge device of copying machine
Inventor: TAKAHASHI HIROSHI
IPC: G03G15/00
Filed: 1981-02-24
Abstract: PURPOSE:To prevent the curling of paper, by spraying the hot air of the heating/ fixing part to the paper. CONSTITUTION:The hot air led from a toner fixing device is sprayed through a duct 2 to the paper 5 which is discharged by a discharging conveyor 1 for transport of paper with the vacuum suction received at the lower surface of the paper. As a result, the lines or curling of the paper 5 are corrected as shown by the broken lines. Thus even the thin paper like the tracing paper, etc. can be smoothly fed and discharged without any jamming.
Patent JP-H09217647-A (JP)
Title: Diagnostic device of intake air pressure sensor
Inventor: OU GIYOUTOU
IPC: F02D45/00
Filed: 1996-02-13
Abstract: PROBLEM TO BE SOLVED: To precisely and simply diagnose failure of an intake air pressure sensor. SOLUTION: Intake air pressure peak timing θPmax which is a crank angle position where intake air pressure becomes peak in one cycle of intake air pulsation is measured in accordance with a signal from an intake air pressure sensor. In the meantime, basic threshold values L1B, L2B against the intake air pressure peak timing are retrieved (S121) from engine speed Ne in reference to a table, they are corrected by a correction coefficient KVTC (S122) in accordance with a state of a variable valve timing device (VTC), and thresfold values L1, L2 are set (S123). Thereafter, the intake air pressure peak timing θPmax and the threshold values L1, L2 are compared with each other (S124), and it is judged as normal when L1<=θPmax<=L2 and as failure (NG) when it is not (S125).
Patent JP-S52109362-A (JP)
Title: Regenerator for synchronous nrz code
Inventor: OOTA AKIHISA
IPC: H04L25/40
Filed: 1976-03-10
Abstract: PURPOSE: To perform the regeneration of the bit period and teh code by the use of the simple constitution by comparing the code decided result just before the sampling with the code decided result just after the sampling. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5231374-A (JP)
Title: Pin contactor for selfffixing type circuit plates
Inventor: SUTEFUEN RARII KURAAKU
IPC: H01R12/58
Filed: 1976-03-12
Abstract: A circuit board pin contact adapted to be mounted in a circuit board hole and staked in the hole upon collapse of the contact pin in the direction of insertion.
Patent JP-2000220338-A (JP)
Title: Rear hinge
Inventor: YAMADA KENICHI
IPC: E05D5/06
Filed: 1999-02-03
Abstract: PROBLEM TO BE SOLVED: To improve a function and attachability by pivoting a plurality of short folded fittings attached to one side of an opening/closing object to a long flat plate fitting attached to the other side of the object. SOLUTION: A rear hinge plate 1 is constituted of one flat plate fitting 2, a plurality of folded fittings 3, and an L-shaped pin 4 or the like. Next, the fitting 2 has a plurality of cylindrical parts 2b provided at a prescribed interval with a long flat plate 2a fixed on a door 5, and the cylindrical part 2b is provided with a notch part 2c on the way. Next, the fitting 3 is formed shorter than the fitting 2, a folded part 3a folded to avoid interference with the door 5 and a cylindrical part 3b are provided, and the flat part 3a' of the folded part 3a is fixed on a door frame 6. The cylindrical part 3b of the fitting 3 is disposed on the notch part 2c of the fitting 2, and the pin 4 is inserted to pivot the fittings 2, 3.  Thereby various kinds of folded fittings corresponding to the door or a door frame can be used as a kind of the flat plate fitting, concentration of load can be avoided, and attaching can be performed accurately and simply.
Patent JP-2000225890-A (JP)
Title: Indicating lamp for automobile
Inventor: AIZAWA YUJI
IPC: B60Q1/50
Filed: 1999-02-03
Abstract: PROBLEM TO BE SOLVED: To transmit a message display by irradiating message information reflected by a reflection element toward a rearward vehicle through a rear glass. SOLUTION: An indicating lamp 10 is formed out of a casing 6, a light source received therein, and a fixed hologram laminated body 5. The light source is constituted of a light emitting body 2, a reflection mirror 3 reflecting the light emitted from the light emitting body 2 toward the hologram laminated body 5, and a mask 4 giving letter or figure to the light emitted from the light emitting body 2. Hence, the light emitted from the incandescent lamp as the light emitting body 2 is irradiated toward the reflection type hologram 5a as the light including message information having a form of desired letter or figure by the mask 4. The light is reflected by the reflection type hologram 5a in the horizontal direction to pass through a rear glass, and transmitted toward a rearward vehicle.  In addition, even under restraint of a small vehicle space, sufficient visibility of the message to the rearward vehicle can be given.
Patent JP-H10220323-A (JP)
Title: Inspecting device for fuel injection pump
Inventor: YAMAMOTO YASUHIRO
IPC: G01M15/04
Filed: 1997-02-10
Abstract: PROBLEM TO BE SOLVED: To provide an inspecting device for a fuel injection pump capable of accurately judging the GO/NO-GO of a clearance between a pump body and a plunger. SOLUTION: An inspecting device comprises a supplying pump 31 for feeding out fuel to a clearance between the outer peripheral face of a plunger 17 inserted into a slide hole 12 formed at a pump body 11 and the inner circumferential face of the slide hole 12, and an electronic balance 32 for measuring the weight and flow rate of the fuel passing through the clearance. A detecting device is provided with a drive mechanism 33 capable of moving the plunger 17 in axial and circumferential directions. The weight and flow rate of the fuel passing through the clearance are measured in the relative position by changing the relative position between the pump body 11 and the plunger 17. The GO/NO-GO of the clearance is judged based on the measurement result.  Consequently, the GO/NO-GO of the clearance is judged in consideration of the relative position between the pump body 11 and the plunger 17.
Patent JP-H11207433-A (JP)
Title: Pattern plate for molding mold and method for evaluating mold strength
Inventor: NAITOU MASAMOTO
IPC: B22C7/00
Filed: 1998-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a pattern plate for molding a mold capable of accurate strength measurement and a method for accurately measuring and evaluating the molded mold strength. SOLUTION: The pattern plate for molding a mold is provided with an annular projecting pattern which is fitted to the upper surface of a plate except a product pattern for molding a casting cavity in the pattern plate. Load (pressure) is applied to a pocket part 6 in the mold M molded by using the pattern plate for molding the mold, and the pocket is broken. The load (pressure) at the time of starting deformation of the pocket part 6 and/or the load (pressure) at the time of breaking the pocket part 6, are measured, and this result is evaluated as the mold strength.
Patent JP-2000226571-A (JP)
Title: Photochromic material and photofunctional device using the same
Inventor: FUKUTOME MASATO
IPC: G03C1/73
Filed: 1999-02-03
Abstract: PROBLEM TO BE SOLVED: To obtain a photochromic material with excellent optical properties consisting of a compound having a specific diarylethene skeleton, having both thermally stable colored state and faded state in the molecule, and capable of giving a thin film of high mechanical strength and weatherability. SOLUTION: This photochromic material is a compound shown by formula I, II or III (R0 is a halogen molecule; R1 to R3 and R7 are each an alkyl, aryl, or the like; R4 is an alkyl ether or the like; R5 and R6 are each an alkyl or the like; X is O or S; M is silicon germanium or the like; (n) is a natural number; and (k) is 2 or 3), being obtained by cohydrolysis and condensation reaction between a photochromic compound having an alkoxysilyl group readily bindable to a reactive hydroxyl group by dealcoholization and a silicon alkoxide of the formula R8nSi(OR9)4-n (R8 is an alkyl, alkenyl, or the like; R9 is H or an alkyl; and (n) is 1 or 2) with 10 molar times of an acidic aqueous alcohol solution at pH 2-3.
Patent JP-S51125490-A (JP)
Title: Aprocess for preparing solderable aqueous varnish dispersion for use i n electrodeposition
Inventor: ONO HIROSHI
IPC: C08F220/12
Filed: 1975-03-04
Abstract: PURPOSE: A process for preparing a solderable aqueous varnish dispersion for use in electrodeposition with improved wear resistance by emulsion copolymerizing acrylonitrile,and a methacrylate,methacrylic acid,etc. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S58144840-A (JP)
Title: Multicolor electrostatic recording system
Inventor: KUWABARA SHIGEO
IPC: G03G15/01
Filed: 1982-02-23
Abstract: PURPOSE:To obtain multicolor recording with good quality without removing residual electric charge by measuring the potentials of latent images in the stage when respective developers start sticking on the latent images, and recording respective hues in order of the smaller potentials. CONSTITUTION:The potentials of latent images when developers 4a, 4b, 4c start sticking on the latent images are measured and respective hues are recorded in order of the smaller absolute values of said potentials. A recording head 2 is driven by changing electrical conditions in the recording stage of the respective hues, for example, by making the voltages to be applied on the head 2 smaller in absolute values in such a way that the potentials of the latent images are made smaller in absolute value than the potentials of the other latent images according to the absolute value of the potentials at which the above-mentioned developers start sticking. Then, even if the residual electric charge by the previous stage is generated, the sticking of the developer in the following stage on the part where the residual electric charge exists is substantially eliminated, and the multicolor recording is obtained with good quality without removing the residual electric charge.
Patent JP-H10218212-A (JP)
Title: Tightly-closed container
Inventor: KIDA TSUNEO
IPC: B65D43/02
Filed: 1997-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a tightly-closed container wherein a container body becomes integral with a lid while airtightness is being preserved for the container. SOLUTION: In a tightly-closed container comprising of a container body 1 and a lid 2 with a fitting rim 4 being provided entirely around the upper end of the container body 1 while a fitting groove 5 for fitting with the fitting rim 4 being provided at the underside of the lid 2, a first holding belt 6 having a vertical through hole is provided by joining both ends of a beltlike body together at the upper end at the outer circumferential surface of the container body 1 while a second holding belt 7 having a vertical through hole is provided by joining both ends of a beltlike body together at the side face of the lid 2 on a position opposite to the first holding belt 6, and a flexible platelike body 3 is inserted through each of the through holes of the first holding belt 6 and the second holding belt 7.
Patent JP-S57143137-A (JP)
Title: Device for compensating quantity of injected fuel for internal combustion engine
Inventor: IRINO HIROSHI
IPC: F02D41/04
Filed: 1981-02-27
Abstract: PURPOSE:To ensure a desired increase or decrease in the quantity of injected fuel, by effecting the multiplication of a fuel increasing coefficient and a signal indicating an effective basic fuel injection time removed of a deal time based on the delay of the operation of a solenoid, the play of an injection valve and so forth. CONSTITUTION:A basic fuel injection time signal Ti and a fuel increasing or decreasing coefficient signal alpha are applied to input terminals 1, 4. A dead time To is subtracted from the basic fuel injection time signal Ti by a subtracter 3, the output of which is multiplied by the coefficient signal alpha by a multiplier 5. The output of the multiplier 5 is applied to an adder 6 so that the basic fuel injection time signal Ti is added to the output of the multiplier. The output of the adder 6 is used as an actual fuel injection time signal to energize a solenoid.