baber/WOPTO huggingface dataset:
Patent JP-H01158577-A (JP)
Title: Method for background erasing and binarization processing for line graphic picture and its device and picture processor for fingerprint picture
Inventor: ASANO KAZUYA
IPC: G06T1/00
Filed: 1988-09-21
Abstract: PURPOSE:To obtain a satisfactory binarization image in any case by dividing the whole picture into local areas in each of which line graphics can be regarded as parallel straight line groups and executing a specific processing for the whole picture. CONSTITUTION:After a picture is divided into the local areas in each of which the line graphics can be regarded as the parallel straight line groups, the direction of the line graphics is calculated for each local area, and a weighted mean value, the center of which is each picture element, is obtained for each local area using the mask pattern of each direction. Thereafter, a binarizing is executed by binarizing according to the comparison of the weighted mean value and a threshold, namely, by binarizing while judging whether the line graphics are continued in the direction or not using not only the information of the picture level of one picture element but also that of the picture levels of picture elements near the former picture element at the time of executing the binarizing. Thus, the binarizing processing can be executed which is resistant to a noise, and the satisfactory binary picture can be obtained even for a low-quality variable density picture.
Patent JP-S6480695-A (JP)
Title: Method of air jet excavating and sucking construction
Inventor: HIRAI MASAHIRO
IPC: E21B7/18
Filed: 1987-09-21
Abstract: PURPOSE: To enhance the work efficiency of test excavation by forming an excavation hole through fly of soil and sand by highly pressurized air spouted from an air ejection pipe, and allowing flown soil and sand to be immediately suction-recovered by an air suction pipe. CONSTITUTION: Highly pressurized air A is spouted from the spouting port 6 of an air ejection pipe 1 to allow soil and sand 1 to fly; thereby forming an excavation hole 16. Then, the flown soil and sand 18 is immediately suction- recovered from the suction hole 7 of a suction pipe 2 faced at the appropriated position of the spouting port 6. In this way, test excavation can be done with a simple apparatus and diminished man-hours without damaging existing buried pipes 15....
Patent JP-S6295359-A (JP)
Title: Composition for acrylic urethane coating material
Inventor: NAKAMURA KAZUHIKO
IPC: C09D175/04
Filed: 1985-10-21
Abstract: PURPOSE:The titled two-pack type composition, obtained by using a main agent prepared by mixing a specific acrylic polyol having secondary hydroxyl groups in the side chain with a monofunctional isocyanate, having a long pot life, cruable at low temperatures and capable of giving coating films having good physical properties. CONSTITUTION:A composition, obtained by initially mixing (A) an acrylic polyol, having secondary hydroxyl groups in the side chain and 18-80 hydroxyl number thereof as a main component with (B) a monofunctional isocyanate, preferably phenyl isocyanate, in an amount equivalent to the moisture contained in the main agent to prepare the main agent and combining the resultant main agent with a curing agent consisting essentially of a polyisocyanate, e.g. tolylene diisocyanate, and applicable by incorporating both agents in use. The secondary hydroxyl groups of the component (A) are preferably introduced by using a monomer, e.g. hydroxypropyl (meth)acrylate, etc.
Patent JP-S61113286-A (JP)
Title: Photo detector
Inventor: NIWA MASARU
IPC: H01L31/112
Filed: 1984-11-08
Abstract: PURPOSE:To make it possible to get rid of the carrier of low mobility caused by the diffusion of positive holes which has been considered troublesome, by taking out separately the electron current and the positive hole current to the external circuit. CONSTITUTION:The P-type InGaAs layer (the 1st semiconductor layer) 22 to take out the positive hole current, the N-type InGaAs layer (the 2nd semiconductor layer) 23, the undopped AlInAs spacer layer to form the two dimensional electron gas, and the N-type AlInAs layer 25 are provided on the semiinsulative InP substrate 21. The source electrode (the 1st electrode) 28 and the drain electrode (the 2nd electrode) 27 are made of gold-germanium. The gate electrode (the 3rd electrode) 26 is made of titanium-gold. The electrode (the 4th electrode) to take out the positive hole current is made of gold-zinc. INcidence of light produces the electron positive hole pairs in the light absorption layer (the 2nd semiconductor layer) 23. These electrons arrive in short time at the two dimensional electron gas region under the internal electric field generated near the two dimensional electron gas region, and flow out to the enternal circuit as the signal current between the source and drain. On the contrary, the positive holes travel toward the opposite direction to electrons. In case that the layer (the 1st semiconductor) to take out positive holes is provided, the positive hole current can be taken out to the electrode 29 when the electrodes 26 and 29 are inversely biased.
Patent JP-H0682644-A (JP)
Title: Mode splitter
Inventor: YAMAMOTO HIROYUKI
IPC: G02B6/126
Filed: 1992-09-03
Abstract: PURPOSE:To perform mode separation by utilizing a difference in the refraction angle of each mode light. CONSTITUTION:Two divided waveguide parts A and B are formed with a tapered coupling part C which is gradually varied in thickness, as a border and when a light is made incident on the border part at a certain angle, the mode separation is carried out by utilizing the difference in the refraction angle of each mode light due to a difference in equivalent refractive index. Consequently, there are not border conditions of the light incidence angle like a mode splitter which utilizes the total reflection of one mode light and each mode light which is large in permissible quantity and passed through the border part is propagated while a difference in refraction angle becomes an opening angle, so the light is converged by one lens and guided to a small-sized photodetector. The lens and photodetector can be arranged concentrically at one place, so a difference in characteristics of the photodetector is hardly generated and a waveguide element 1 itself is reducible in size.
Patent JP-2001059036-A (JP)
Title: Porous film
Inventor: YAMAMOTO KAZUNARI
IPC: C08J9/00
Filed: 1999-08-23
Abstract: PROBLEM TO BE SOLVED: To obtain a porous film having excellent permeability performance and mechanical strength and excellent balance between a low-temperature SD function and a high-temperature heat resistance. SOLUTION: This porous film comprises a first matrix polymer and a second polymer dispersed in a scaly state or flaky state into the first matrix polymer. The second polymer is a reactive polymer to be cross-linked and reacted. In the porous film, the porous film is obtained by cross-linking and reacting the second polymer.
Patent JP-2001060658-A (JP)
Title: Semiconductor device and method of manufacturing the same
Inventor: SHIBATA KAZUTAKA
IPC: H01L25/065
Filed: 1999-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a thin-type semiconductor device of chip-on-chip structure. SOLUTION: A slave chip D is joined on the surface of a master chip M facing downward. Protrudent electrodes T protruding from the surface of the maser chip M are provided around the slave chip D. The surface of the master chip D, where the heads of the protrudent electrodes T are exposed, is sealed up with a protective resin 11. This semiconductor device 10 of chip-on-chip structure can be manufacturing through a method where slave chips D are joined on the surface of a semiconductor wafer in a facedown mounting manner, protrudent electrodes T are formed, the surface of the semiconductor wafer is sealed up with the protective resin 11, and then the wafer is divided. After the surface of a wafer is sealed up with a protective resin 11, the protective resin is ground, by which the heads of the protrudent electrodes T can be made to expose surely. The rear surface of a wafer or the rear surface of a slave chip D is ground as necessary, by which a semiconductor device can be more reduced in thickness.
Patent JP-2000068127-A (JP)
Title: Oil-immersed electric apparatus
Inventor: ITO KAZUAKI
IPC: H01F27/12
Filed: 1998-08-21
Abstract: PROBLEM TO BE SOLVED: To adopt a structure excellent in workability and reliability, in the case that cooling efficiency is increased with a heat exchanger. SOLUTION: A tank 24 has a two-chamber structure where an upper tank 24a forming an apparatus accommodating chamber 30 and a lower tank 24b forming a lower chamber 31 are linked with each other through a coupling cylinder 24c. It is arranged concentrically at a position corresponding to a duct of a transformer main body 22. A heat exchanger 27 which is interconnected with the upper tank 24a and the lower tank 24b, respectively with an upper interconnecting pipe 25 and a lower interconnecting pipe 26 is arranged in parallel to the tank 24. The transformer main body 22 is cooled with insulating oil 23 which is accommodated in the upper tank 24a and passes the coupling cylinder 24c from a lower chamber 31.
Patent JP-H1175462-A (JP)
Title: Machine for harvesting root vegetable
Inventor: OTSUKA HIROTAKA
IPC: A01D27/00
Filed: 1997-09-01
Abstract: PROBLEM TO BE SOLVED: To provide a root vegetable harvester enabling to lightly execute a digging work without overriding a root vegetable with a following travel crawler on the non-dug side and without treading down the field on the non-dug side with the travel crawler, even when the root vegetable is dropped due to the failure of a root vegetable digging work, an imperfect pulling work or an imperfect nipping and carrying work. SOLUTION: A travel frame 1 is provided with a subsoiler 25 for vibrating a position below the root portion of a root vegetable K vegetated in a field and digging up the field, with a pair of right and left nipping endless belts 3, 3 whose tip ends are disposed in proximity with the surface of the field on the front side of the travel direction, whose rear sides are disposed in such a backward inclined posture as raised on the rear side of the travel direction, and which are used for nipping the foliage portions of the root vegetables in the field and pulling out and carrying the root vegetables, and with a cutting means 44a for cutting off the foliage portions of the root vegetables at the rear portion of a pair of the nipping endless belts 3, 3.  Therein, the lateral center of the tip ends of a pair of the nipping endless belts 3, 3 is placed on the outside of the outer edge of the travel crawler 2a on the non-dug side.
Patent JP-H0763890-A (JP)
Title: Buffer material for failure prevention during exchange of glove for nuclear material treatment
Inventor: NOGAMI TETSUYA
IPC: G21F7/053
Filed: 1993-08-30
Abstract: PURPOSE:To conduct glove exchange work surely, safely and efficiently without damaging new gloves when an inner ring with a new glove is pushed on the end of inner ring with an old glove for exchanging the glove. CONSTITUTION:A buffer material 1 is constituted of a main body formed in a disk shape with nearly the same diameter as the outer diameter of an inner ring 8 and an ear part 6 provided on the circumference of the body 5. This buffer material 1 is fixed by inserting the ear part 6 in between an inner ring 8 with old glove 7 and a glove port 4 and the body 5 is positioned between the inner ring 8 with the old glove 7 and a new glove 9.
Patent JP-H1076906-A (JP)
Title: Air bag
Inventor: IINO TAKAHIRO
IPC: B60R21/239
Filed: 1996-09-06
Abstract: PROBLEM TO BE SOLVED: To speedily and certainly develop an air bag by drilling a slit for a vent at a proper position of a bag type air bag on an opening for an inflator drilled roughly in the middle of which the inflator is installed. SOLUTION: In case of collision, high pressure gad generated from an inflator to work by detecting deceleration bursts out in the inside of an air bag 1 and expands and develop the air bag 1. As a vent hole 8 itself forms a slit type orifice until high pressure gas necessary and sufficient for protection of an occupant is secured in the air bag 1 and the air bag sufficiently expands, high pressure gas is not indisciminately leaked out of the air bag 1. The air bag 1 is speedily and certainly expanded and developed. Thereafter, when internal pressure rises further by surplus gas, the surplus gas flows out of the air bag through a slit group arranged crosswise forming a slit 8 for a vent.
Patent JP-S6391677-A (JP)
Title: Copying machine using photosensitive body with color separating function
Inventor: HANEDA SATORU
IPC: G03G15/01
Filed: 1986-10-06
Abstract: PURPOSE:To record a color image which faithfully reproduces the image of an original by providing an original image reading means detecting the image density of the original on an original platen by color and automatically deciding on development conditions in a color image forming step according to information from the reading means. CONSTITUTION:The original image reading means 13 is provided which detects the image density of the original on the original platen 5 by color. According to the information from the reading means 13, development condition in the color image forming step are automatically decided. Namely, a CPU produces a color-by-color density histogram from information outputted from a color image sensor, judges a line picture,a photograph and an ordinary picture in which a line picture and a photograph are mixed, and sets development conditions according to the judgement. Thus, even a layman easily records a high reproducibility transferred image fitting to the line picture of the original, an ordinary picture or a photograph.
Patent JP-H1083223-A (JP)
Title: Power controller and photovoltaic power generation system using the same
Inventor: NAGAO YOSHITAKA
IPC: H02M7/48
Filed: 1996-09-06
Abstract: PROBLEM TO BE SOLVED: To prevent an output drop by varying the operation point of a solar battery within a 1st variation range in a 1st period and setting the output voltage so that the electric power becomes maximum, and varying the operation point in a 2nd period when the generated current or power of the solar battery is less than a specific current value. SOLUTION: In a WAS routine, the voltage and current at the current operation point are sampled to calculate an electric power value. An electric power maximum operation point is detected from the opration point and two operation points nearby the electric power maximum operation point are detected and set as V1 and P1, V2 and P2, and V3 and P3 respectively. On the basis of the three operation points of V1 and P1, V2 and P2, and V3 and P3, a voltage-power characteristic curve is approximated with a secondary curve and the voltage Vpmax at which the electric power of the approximate secondary curve becomes maximum is calculated. Then the voltage Vpmax is set to an operating voltage V and the WAS routine ends.  Thus, a wide-range search is made in a long cycle to approximate characteristics of the power curve with a polar function, and the maximum voltage is followed up through WAS control to extract the maximum electric power in case of two peaks.
Patent JP-H1076976-A (JP)
Title: Steering mechanism for truck
Inventor: KIMURA YUKIO
IPC: B62D13/00
Filed: 1996-09-06
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of an inner wheel difference by a method wherein each truck is run on the same rail even when a plurality of trucks are intercoupled. SOLUTION: Front wheels 2 are interlocked with each other by a front wheel steering mechanism 14 comprising a steering member 19 consisting of a slide piece 16, a tuning shaft 4, a coupling tool 22, and a rotary lever 24, and connected to the steering member 19 and oscillated in the same direction as that of a steering lever 20. Rear wheels 3 are interlocked with each other through a rear wheel steering mechanism 15 comprising a steering member 21 consisting of a slider piece 17, a tuning shaft 5, a coupling tool 23, and a rotary lever 25 and oscillated in the same direction as that of the steering member 21. The front and rear wheel steering devices 14 and 15 are intercoupled and interlocked with each other through a violating mechanism 6, and front wheels 2 and rear wheels 3 are oscillated in a reverse direction symmetrically to each other.
Patent JP-S6392628-A (JP)
Title: Production of dimethylsiloxane graft polymer
Inventor: SAIGO TAKUYA
IPC: C08F4/28
Filed: 1986-10-07
Abstract: PURPOSE:To obtain a dimethylsiloxane graft polymer industrially in good yields by a radical polymerization process, by using a specified polydimethylsiloxane compound as a radical polymerization initiator in polymerizing a vinyl monomer. CONSTITUTION:The following compound A or B is used as a radical polymerization initiator in polymerizing a vinyl monomer: [A] a polydimethylsiloxane compound having peroxyester groups in side chains, represented by formula I (wherein R1 is a 4-8C tert. alkyl group, m is 10-200, n is 3-10, and l is 1-15) and [B] a polydimethylsiloxane compound having a diacyl type peroxy group in the molecule, represented by formula II (wherein m is 10-200 and n is 3-10). The ratio of said component A or B to the vinyl monomer is preferably 10-90:90-10 (by weight).
Patent JP-H0283687-A (JP)
Title: Feature extracting system
Inventor: TSUKUMO ATSUSHI
IPC: G06K9/62
Filed: 1988-09-20
Abstract: PURPOSE:To improve the performance of character recognition by reading an image element included in the small area of a character pattern, finding the partial projection classified by every direction of a directional distribution pattern in a partial projecting area classified by every direction corresponding to a partial area, and outputting a feature component in each partial area as a feature pattern. CONSTITUTION:A directional distribution extracting part 2 reads in a character pattern signal from a character pattern storage part 1, and extracts the distribution pattern of a directional component in every direction, and outputs the directional distribution pattern in every direction. A directional distribution pattern storage part 3 stores the directional distribution pattern in every direction outputted from the directional distribution extracting part 2, and a partial projection extracting part 5 reads in the index of the partial area, that of the direction, and the position coordinate of the projecting area sequentially from a projection area storage part 4. Then, the feature pattern described as projected information in every direction in each partial area can be outputted by reading in a corresponding directional distribution pattern from the directional distribution pattern storage part 3 and finding the partial projection. In such a way, information can be compressed by describing a partial pattern representing the partial area as the projection information in four directions, and feature extraction can effectively be performed in the character recognition.
Patent JP-S61116345-A (JP)
Title: Display device of original setting position
Inventor: TANI MAKOTO
IPC: G03B27/62
Filed: 1984-11-10
Abstract: PURPOSE:To simplify the supporting structure of an indicators and to move the indicator smoothly and precisely by fitting the indicator to an endless power transmitting member set up so as to be freely traveled under an original platen. CONSTITUTION:A timing belt 11 which is the endless power transmitting member is wound around a drive timing pulley 12 and an idle timing pulley 13 under the original platen 10 made of a transparent glass. The pulley 12 is reversibly rotated by a driving source 14 such as a step motor. The indicators 16 are fitted to the portions 11A, 11B of the timing belt 11 which are oppositely traveled in different directions each other through holding tools 15.
Patent JP-S60129050-A (JP)
Inventor: KANOU HIDEO
IPC: A23L3/00
Filed: 1983-12-16
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-H1182171-A (JP)
Title: Single-liquid type hydrazine thruster
Inventor: HASHIMOTO KOZUE
IPC: F02K9/68
Filed: 1997-09-02
Abstract: PROBLEM TO BE SOLVED: To provide a single-liquid type hydrazine thruster that can be stably operated with a long service life by suppressing the generation of void to reduce the consumption of a catalyst. SOLUTION: A single-liquid type hydrazine thruster is provided with a chamber 3 having an inflow port 2 of hydrazine and a nozzle 5 for jetting cracked gas, net members 4a, 4b stretched on both upper reaches and lower reaches in the chamber 3, and a catalyst 6 housed in the chamber 3 being held between the net members 4a, 4b. Hydrazine flowing into the chamber 3 from the inflow port 2 is decomposed by the catalyst 6 to generate cracked gas, and the cracked gas is injected from the nozzle 5 to obtain thrust. In such a single-liquid type hydrazine thruster, the net member 4b on the lower reaches is displaceable toward the upper reaches, and an energizing means 7 for displacing the net member 4b on the lower reaches toward the upper reaches is provided in the chamber 3.
Patent JP-S62100462-A (JP)
Title: Glass cloth surface finishing agent
Inventor: TAI SHIGEYOSHI
IPC: D06M13/51
Filed: 1985-10-25
Abstract: PURPOSE:To obtain the titled agent capable of producing the glass cloth resin composite material having excellent properties of an impregnation property, a heat-resisting property against a solder, a chemical resistant property and a property of preventing a copper migration by incorporating a specific compd. contg. a triazine ring as a molecular skeleton or its acid salt to the titled agent. CONSTITUTION:The titled agent is a silane coupling agent composed of the compd. contg. the triazine ring shown by formula VIII as the molecular skelton or its acid salt obtd. by effecting an addition reaction of a silane compd. shown by formula II wherein R5 is a group shown by formulas III-VII wherein X is methoxy, ethoxy or acetoxy group, (n) is 0 or 1, (l) is 1-4, (m1) and (m2) are each 1-10, (m3) is 0-10 with a vinyl group of a vinyl triazine compd. shown by formula I wherein at least one of R1-4 groups is hydrogen atom, and another groups of R1-4 groups are each methyl, (cyano)ethyl, allyl, phenyl or (vinyl)benzyl group.
Patent JP-S6296896-A (JP)
Inventor: SHIMIZU KATSUTOSHI
IPC: G21C15/243
Filed: 1985-10-24
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-H04116261-A (JP)
Title: Distribution type fuel injection device
Inventor: OKAJIMA TOSHIKAZU
IPC: F02M41/12
Filed: 1990-09-06
Abstract: PURPOSE:To secure the feed pump discharge performance by forming a communicating passage applying the feed pump discharge pressure to chambers formed with a rotor and vanes on either one of the rotor, a casing and a vane cover. CONSTITUTION:Vane grooves 10 are formed at four positions at a uniform interval on the outer periphery of a rotor 9, vanes 11 are movably inserted in the radial direction of the rotor 9, and their tips are brought into contact with the inner periphery of a pump casing 6. A circular groove 21 is formed at the connection section between a casing 1 and the rotor 9 of a feed pump P, the circular groove 21 is communicated to a discharge port 17 via a communicating path 22, and it is communicated to the vane grooves 10. The fuel discharged by the feed pump P is guided into the vane grooves 10 via a discharge port 17, communicating path 22 and circular groove 21. The vanes 11 are excited outward by the fuel pressure, a gap is prevented from being generated between the tips of the vanes 11 and the inner periphery of the pump casing 6, and the efficiency of the feed pump P is improved.