baber/WOPTO huggingface dataset:
Patent JP-H07261124-A (JP)
Title: Optical device for emphasizing contrast
Inventor: OYA SAMON
IPC: G02F3/00
Filed: 1994-03-17
Abstract: PURPOSE:To emphasize optically the contrast of an image of a body to be inspected emitting light itself Such as a liquid crystal panel, a CRT display, etc. CONSTITUTION:An objective beam 15c is generated by incoherent-coherent converting a beam carrying the image of the body to be inspected such as the liquid crystal display panel 11, etc., and thereafter, the objective beam 15c is superimposed with a reference beam 15d whose complex amplitude distribution is uniform at a phase difference pi, and thus, the uniform component of the objective beam 15c is reduced, and the fluctuation component is emphasized.
Patent JP-H08247417-A (JP)
Title: Liquid fuel combustion device
Inventor: KUWAKO SHIGERU
IPC: F23D11/40
Filed: 1995-03-07
Abstract: PURPOSE: To eliminate unstable combustion in the combustion condition of a wide rang from strong combustion to weak combustion by a method wherein a fuel dispersing body is provided before a fuel nozzle to collide the liquid fuel, ejected and supplied out of the fuel nozzle, against the dispersing body and disperse it. CONSTITUTION: One end of a fuel supplying pipe 7, through which liquid fuel flows, is communicated with the inside of a fuel tank 9 through a pump 8 while the other end of the fuel supplying pipe 7 is connected to the base end of a fuel nozzle 11, whose tip end is faced to an evaporating chamber 10 in the evaporator 1, while a fuel dispersing body 30 is provided before the fuel nozzle 11. In this case, a spring type fixing unit 30a is inserted into the fuel passage 11a of the fuel nozzle 11 to fix it while a sheet type fuel dispersing body 30, made of stainless steel, is provided at the tip end of a supporting unit 30b connected to the fixing unit 30a. The diameter (D1 ) of the fuel dispersing body 30 is designed so as to be equal to or larger than the inner diameter (D2 ) of the fuel nozzle 11.
Patent JP-H01224246-A (JP)
Title: Urethane (meth)acrylate mixture and coating agent
Inventor: SASAHARA KAZUNORI
IPC: G02B6/44
Filed: 1988-03-02
Abstract: PURPOSE:To reduce adhesion to a glass and minimize occurrence of blister and deterioration of coating, by reacting a specific compound with a diol compound, organic polyisocyanate and unsaturated group-containing compound having one hydroxyl compound in a molecule. CONSTITUTION:(A) 0.9-1.1mol. compound expressed by the formula (n is 10-30) is reacted with (B) 1mol. diol compound (e.g., polyethylene glycol) having 500-5,000mol.wt., (C) 1mol. organic polyisocyanate (e.g., isophorone diisocyanate) and (D) 0.95-1.5mol. unsaturated group-containing compound [e.g., hydroxyethyl(meth)acrylate] in the presence of a catalyst (e.g., dibutyltin dilaurate) of 0.001-0.5wt.% based on the reaction mixture at 70-90 deg.C to afford an urethane(meth)acrylate mixture. Then 0.1-10wt.% of the above-mentioned mixture is blended with an ethylenic unsaturated compound (e.g., polyurethane acrylate of polyetherpolyol) to provide the coating agent for optical glass fiber.
Patent JP-S60191571-A (JP)
Title: Picture display device
Inventor: YAMASHITA AKIRA
IPC: H04N5/66
Filed: 1984-03-12
Abstract: PURPOSE:To improve the gradation by changing the potential distribution around the cathode in response to the luminance level of a video signal. CONSTITUTION:When a voltage V3 to a vertical focus electrode 3 is increased in response to a time extending the pulse width in the pulse width modulation, the potential gradient around a line cathode 2 is increased, the emission electron flow is increased and also the electron beam passing through a slit 10 of the vertical focus electrode 3 is increased and then the luminance is increased. Thus, a gamma characteristic close to a conventional cathode ray tube is provided to the luminance characteristic.
Patent JP-S55138972-A (JP)
Title: Processing method of demodulation signal
Inventor: MAENO TETSUROU
IPC: H04N1/407
Filed: 1979-04-17
Abstract: PURPOSE:To compensate a variation of a signal level, by sampling and holding a voltage level of the demodulated signal by a keyed pulse, and making a slice voltage or a white black inverting voltage level by this hold voltage level. CONSTITUTION:A facsimile signal applied to the terminal 1 goes into the slice and white black inverting circuit 4 through the AGC circuit 2 and the demodulation circuit 3. A keyed pulse from the control circuit 11 smaples a center level of the phase signal by a switch 6, and holds it by the hold circuit 7. An output of the hold circuit 7 is provided to the changeover circuit 8, which is closed by selecting the terminal 12 or 13 by the slice from the control circuit 11 or the instruction of inversion. Thus, the terminal 12 or 13 can be selected properly in accordance with a level change of the input signal.
Patent JP-H06273646-A (JP)
Title: Optical fiber cable
Inventor: KIYANDEIDO JIYON AROOYO
IPC: G02B6/44
Filed: 1994-02-23
Abstract: PURPOSE: To provide a reliable and inexpensive method for positioning an embedded dielectric cable. CONSTITUTION: The dielectric coated optical fiber cable detactable from a remote place at the time of embedment is provided. More particularly, a magnetic material is introduced into the conventional parts of a high-strength armor system 21 to be ordinarily used for enhancing the tensile characteristics of the many optical fiber cables. The embodiment includes the various structures of a reinforcing member system. These structures include a plurality of glass roving or glass yarn which are formed by compounding neodymium iron boron with an epoxy matrix and are aligned in a longitudinal direction.
Patent JP-S57161640-A (JP)
Title: Inspecting device for surface
Inventor: OOSHIMA KEN
IPC: G11B7/0037
Filed: 1981-03-31
Abstract: PURPOSE: To enable rapid and sure inspection of the surface of a disc by storing an information on the length of a defect and an information on the beginning position of  the defect obtained through spiral scanning of laser beams and by making the display  of the defect.  
     CONSTITUTION: While the circumferential position of a disc 2 to be inspected on a turntable 4 is detected by a rotation detector 10, the position in the radius direction of a laser optical head 18 moved at a fixed speed in the radius direction of the disc 2 is detected by a signal processing unit 16. Meanwhile, the processing unit 16 delivers a defect signal when the light reception signal of the head 18 takes a value below a reference value due to the scattering of a laser reflected light from the disc 2 obtained by spiral scanning, and the informations on the position of a defect and on the length thereof are stored in memories 46 and 48 for the signals of the beginning position of the defect and of the length thereof, respectively. These informations are read out through simultaneous acess by a synchronous generator 65, and the informations on the defects within an area wherein an information on position is assigned by a display assigning circuit 60 are written in a refresh memory 66 through the intermediary of a discriminating circuit 62 and a coincidence circuit 64 and displayed on a monitor television 50, and thus the inspection of the surface is performed surely and rapidly. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H01222710-A (JP)
Title: Farm working machine for paddy field
Inventor: TAMAI TOSHIO
IPC: A01C11/02
Filed: 1988-02-29
Abstract: PURPOSE:To prevent the contact of a pendulum sensor with grass or muddy water and eliminate the malfunction of the sensor, by placing a pendulum-type inclination sensor above a rotary covering cylinder supporting a chain case and placing a broad mud-guard plate between the sensor and the chain case. CONSTITUTION:A laterally extended horizontal link plate is attached to the rear end of a main cylinder. The right and left ends of the link plate are connected via a connection link 36 to a swing arm 38 protruded from the upper face of a rotary coring cylinder 5. The right swing arm 38R has broad width to play the role of a mud-guard plate to prevent the staining of the sensor with mud splashed from lateral direction. A pendulum-type sensor 50 to detect the lateral inclination of machine body is attached in a laterally swingable state to a supporting frame 49 protruded slantly upward from a side of a valve device 31. A spool 42a of a change-over valve 42a for rolling is connected to the top of the pendulum sensor 50. The rolling change-over valve is operated according to the lateral inclination of the pendulum 50 relative to the machine body. The machine body can be constantly maintained in horizontal state by this mechanism.
Patent JP-H03248849-A (JP)
Title: Recording head, its storage method, cap and ink jet container therefor
Inventor: ARASHIMA TERUO
IPC: B41J2/01
Filed: 1990-02-28
Abstract: PURPOSE:To eliminate the possibility of ink leakage caused by vibration, dropping and the like and prevent the drying of ink at the time of storage for a prolonged period by a method wherein, the ink container is equipped with a sealing member and a pressing member, and during the time of no-recording, a discharging part and a communication port to ambient air for an ink tank are closed, and the ink is impregnated with dye, alcohol, urea, or thiourea, and water. CONSTITUTION:Groove parts 2 are provided in the upper and lower faces set back from the delivery part surface 1 at a recording ink delivery part 41, and when a large amount of ink is accumulated in said groove part 2, it is introduced downward, and a groove part 51 of a cap 4 is subjected to resilient pressure, and the engaged state is maintained. A sealing sheet 3 covers the delivery part surface 1 entirely, while the attaching of the sheet 3 to the recording head is performed in a simple manner that an adhesive is interposed between the sheet 3 and delivery part surface 1. An ink absorbing material is contained in the ink containing part, while the ink storage part contains an ink absorbing material, and the ink to be absorbed contains dyestuff, alcohol, urea or thiourea and water.
Patent JP-H01224131-A (JP)
Title: Die for forging at constant temperature
Inventor: KUBO YUTAKA
IPC: B21J13/02
Filed: 1988-03-01
Abstract: PURPOSE:To extend the life of a die by forming a die in a compound structure by a metal and ceramics, making the R of the corner part of a ceramics part at more than specified value if necessary, and forming it by a conductive ceramics. CONSTITUTION:The outermost die 7 and bottom die 8 of the die for forging at constant temp. are formed by metal and inner die 4, intermediate die 5 and outer die 6 are made in the structure composed of the ceramics of a conductive sialon, etc. If necessary, the R of the corner part of the ceramics part is taken in the shape in >=0.3mm. The part brought into contact directly with a forging material is taken of ceramics, the outermost die 7 and bottom die 8 of metal material and they are taken as fitting parts, hence the strength of the die is improved and the generation of a crack of the ceramics parts 4, 5, 6 is prevented. The stress concentration is eased due to the R of the ceramics part being set in >=0.3mm. The life of the die is thus extended.
Patent JP-H07259376-A (JP)
Title: Vibration controlling method for structure, structure with vibration control, vibration control device, and control power generating device for vibration control
Inventor: KURINO HARUHIKO
IPC: E04H9/02
Filed: 1994-03-18
Abstract: PURPOSE:To make control of big output possible with small energy, and to improve safety by a method wherein a variable attenuator and an actuator are combined together. CONSTITUTION:A control power generating device 10 is constructed by arranging an actuator 30 with small output in parallel with a variable damper 20 in oil damper type, and by providing fixing parts 11, 12 that are common to both members. The variable damper 20 is so constructed that an adjustable valve 27 is provided in a passage 26 connecting hydraulic pressure chambers 24 and 25 in an oil damper. Response from a structure in an occasion of earthquake or the like is analyzed by a computer, and command value for control power is materialized in the form of damping force by controlling the degree of opening for the adjustable valve 27. In the case where the command value for control power and velocity of device in the variable damper 20 work contrary against each other, the actuator 30 is made to work for compensation and thereby optimum control power can be maintained.
Patent JP-S56146874-A (JP)
Title: Melt-sprayed film layer containing solid lubricant
Inventor: KURAHASHI MOTOFUMI
IPC: C23C4/06
Filed: 1980-04-11
Abstract: PURPOSE:To obtain a film layer which is good in the yield of lubricants, is considerably long in service life and maintains required lubricating effect satisfactorily for a long period of time by melt spraying ceramics and carbide contained with a solid lubricant in imparting lubricity to required places. CONSTITUTION:One or more kinds 6 of powder of solid lubricants such as boron nitride, molybdenum disulfide and other of fine grain sizes and ceramics or carbide alone or their composite body 4 which is a main melt spraying material are melt sprayed by plasma melt spraying. Thereby, a melt-sprayed film layer 8 of a required thickness is formed on the sliding friction surface 9 of, for example, machineries. Here, a lubricant 6 is contained at 5-50% in the sectional area ratio of the layer 8.
Patent JP-H10228076-A (JP)
Title: Heat developable photosensitive recording material
Inventor: OKAMURA HISASHI
IPC: G03C1/498
Filed: 1997-02-17
Abstract: PROBLEM TO BE SOLVED: To improve image color tones and to improve the color tone stability at the time of preservation by incorporating polymer particulates contg. dyes and/or microcapsules contg. the dyes into at least one layer of the constitution layers disposed on a base. SOLUTION: The polymer particulates contg. the dyes and/or the microcapsules contg. the dyes are incorporated into at least one layer of the constitution layers of the heat developable photosensitive recording material having the base and binder. The dyes are added into the photosensitive material in the form of incorporating the dyes into the polymer particulates and/or microcapsules, by which the image color tones are improved. The recording material which is free from color fading of the image color tones by photoirradiation and has excellent fastness to light. Such effect is enhanced when the polymer particulates contg. the dyes and/or the microcapsules contg. the dyes are incorporated into at least one layer of the photosensitive layers contg. photosensitive silver halide among the constitution layers in particular.
Patent JP-S52133991-A (JP)
Title: Novel dihydrostreptomycin derivatives
Inventor: UMEZAWA KENJI
IPC: A61P31/04
Filed: 1976-04-30
Abstract: PURPOSE: Title compounds of formula I (R is H, well-known monovalent amino-protecting radical; X 1  is alkyl, aryl; X' is H, alkyl, aryl; radical of formula II and III is cycloalkylidene, tetrahydropyranylidene, and radical III is linked to one of the six N atoms in the two guanidino groups) and acid addition salts thereof; for example, 2'-N-benzyloxycarbonyl-1, 2-N, O-5, 6; 3', 3'''; 4'', 6''-O-tetracyclohexylidene-dihydrostreptomycin. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S58165653-A (JP)
Title: Rotor for stepping motor
Inventor: HASEBE MASATOSHI
IPC: H02K37/18
Filed: 1982-03-26
Abstract: PURPOSE:To increase the density of teeth and to enlarge as well as stabilize the magnetic flux density generated by the tip of the tooth by a method wherein a stepped part is provied in the tooth of a magnetic pole formed of a sintered  powder compact arranged nearby a magnet. CONSTITUTION:A magnet 2 formed of, for instance a rare-earth element, or the magnet of cobalt series, is engaged with a shaft 3 and spur gear type magnetic poles 1 formed with a number of teeth in the form of an involute gear, for instance, are arranged adjacently to the magnet 2 on the both sides thereof. In this case, the magnetic pole 1 is uniformly formed with a sintered compact composed of pure iron powder with a stepped part so prepared that the breadth S2 of the tooth is smaller than that S1 of the magnetic pole. The compression ratio in the central portion of the magnetic pole is made smaller than that of the tooth, so that the density of the tooth can be made greater.
Patent JP-H04267873-A (JP)
Title: Centrifugal separator
Inventor: ISHIMARU KENJI
IPC: B04B5/00
Filed: 1991-02-22
Abstract: PURPOSE:To provide a centrifugal separator capable of efficiently separating animal cells in an intact live state from a suspension culture solution of the animal cells. CONSTITUTION:A centrifugal separator is composed of a rotor body (2), a detachable cassette module (1) and a cover (3) having a structure in which the aforementioned module can be inserted. The above-mentioned module (1) is formed into the shape of an earthenware mortar and arranged so as to form a spiral or concentric flow.
Patent JP-H07256023-A (JP)
Title: Highly pressure-resistant filter
Inventor: UEKI TAKUYA
IPC: B01D39/14
Filed: 1994-03-18
Abstract: PURPOSE:To obtain a high performance filter which can be used under liquid pressure and remove below submicron-sized contaminants. CONSTITUTION:A porous film 1 of polytetrafluoroethylene is laminated with a synthetic resin reinforcer 2 and punching metal with pore diameters of 20mm or less and porosity of 10-90%; a synthetic resin reinforcer and a metal reinforcer are also arranged, as required, on the other side of the film.
Patent JP-H09238562-A (JP)
Title: Threshing device for combine
Inventor: KAWABATA TOYOKAZU
IPC: A01F12/48
Filed: 1996-03-06
Abstract: PROBLEM TO BE SOLVED: To provide the threshing device of a combine provided with a guide device capable of removing dust stuck to a dustproof net capable of simplifying a structure, facilitating a dust removing operation and improving operability and handleability. SOLUTION: A suction port 17 is provided on the side face of a winnower case 16, a gas volume adjusting plate 19 for discharging a part of sucked outdoor air and adjusting a sorting gas volume is provided on the outer peripheral surface of the winnower case 16 and the dusproof net 24 is provided on the upstream side of the suction port 17 of the winnower case 16. The guide device 25 capable of sucking winnowing air through the dustproof net 24, blowing discharged air from the gas volume adjusting plate 19 to the back surface of the dustproof net 24 and removing the dust stuck to the dustproof net 24 is provided.
Patent JP-H01223770-A (JP)
Title: Manufacture of compound semiconductor device
Inventor: SUMIYA KOICHI
IPC: H01L21/28
Filed: 1988-03-02
Abstract: PURPOSE:To make it possible to form a gate length not greater than submicron with ease and high controllability by etching the entire surface by anisotropically etching and by leaving an insulation layer only on the side of a groove formed on a compound semiconductor substrate in manufacturing Schottky gate electric field transistors. CONSTITUTION:An SiO2 film is accumulated by the CVD method as a first insulation film 2 on an insulating GaAs substrate 1. Selective etching is made by RIE to expose the surface of the GaAs substrate. Then, with the SiO2 film as a mask, the GaAs substrate 1 is etched by RIE to form a groove. Then, Si is selectively implanted by ion implantation, and annealing is made in an atmosphere of arsine to form an n-type active layer 3. Then, an SiN film is accumulated as a second insulation film 4 by ECR plasma CVD, after which the entire surface is etched, and an SiN film 4a called a sidewall is formed on the sidewall of the groove. Then, a WSiX film which will serve as a gate electrode 5 is buried in the groove narrowed by the SiN film 4a. A source-drain area 5 is formed by ion implantation, and then the SiO2 film is etched. Source- drain electrodes 7a, 7b are formed thereon by a liftoff method.
Patent JP-H05250026-A (JP)
Title: Numerical controller with interference preventing barrier
Inventor: SUZUKI FUMIO
IPC: G05B19/4061
Filed: 1992-03-05
Abstract: PURPOSE:To utilize the working region of two control axes effectively by defining necessary part only as interference preventing barrier. CONSTITUTION:On the plane composed of two control axes, a boundary line calculation part 6 is provided to calculate a straight line crossing two arbitrary points as the boundary line of the interference preventing barrier and an interference check part 3 is provided to control the movable region of the two control axes in accordance with the target value which is read into by a command value reading part 1 and the boundary line which the boundary line calculation part 6 calculates. The interference check part 3 reads the command value of axes A and B into variable ACOM and a BCOM from the command value reading part 1, and the boundary line calculation part 6 reads barrier data into variable AH, AG, BH and BG respectively from a barrier data memory 2, and calculates data B for interference check using the data read into and a first formula. The data B and the command value BCOM of B axis are compared, and axis moving command is instructed in the case of B>BCOM and alarm generation is instructed in the case of B<BCOM.
Patent JP-H09246843-A (JP)
Title: Adaptive array reception system
Inventor: NAKAMURA MICHIHARU
IPC: H01Q3/26
Filed: 1996-03-06
Abstract: PROBLEM TO BE SOLVED: To obtain the adaptive array reception system to set a weight at a high speed in a direction in which the S/N is maximized by providing plural branches, a demodulation means, a synthesis processing means and a weight calculation means. SOLUTION: Demodulation means 121 -12N demodulate reception waves caught by branches 111 -11N in parallel in the order of time series, separate a field including a known symbol or transmission information in the unit of frames and obtain a vector Rkn (1<=k<=N) corresponding to a symbol included in the field in a signal space. A weight calculation means 14 obtains a difference δkn between a reference vector dn denoting a known symbol and a weighted sum ΣWkn .Rkn of vectors Rkn and then obtains weights Wk(n+1) sequentially expressed in a recurrence formula Wk(n+1) =Wkn +μR*δkn +υ(dn /NRkn -Wkn ), where R*kn is a conjugate vector of the vector Rkn and μ, ν are coefficients representing the convergence form. Then a vector sum denoting excellent transmission information or the known symbol is obtained by a synthesis processing means 13.
Patent JP-H09239081-A (JP)
Title: Golf putter made of titanium-aluminium alloy
Inventor: MAE YOSHIHARU
IPC: A63B53/04
Filed: 1996-03-06
Abstract: PROBLEM TO BE SOLVED: To enable a golfer to have a comfortable feel at the palms of the hands together with a comfortable sound at the time of putting and to offer an exclusive effect, such as extremely good rolling of a ball, by providing a golf putter with a head composed of a Ti-Al alloy made of a compsn. contg. a prescribed ratio of Al and consisting of the balance Ti with inevitable impuri ties. SOLUTION: The golf putter made of the Ti-Al alloy has the head 1 composed of the Ti-Al alloy made of the compsn. contg. 25 to 36wt.% Al and consisting of the balance Ti with inevitable impurities. The Ti-Al alloy made of such compsn. preferably has a duplex structure. The duplex structure is composed of crystal grains of a single phase composed mainly of a γ phase and crystal grains having a laminar structure of the γ phase and α2 phase. The Ti-Al alloy having such duplex structure improves ductility and, therefore, is considered to be suitable as the blank for the putter head. The finer crystal grains of the duplex structure are more preferable, since the ductility is higher as the crystal grains are finer.