baber/WOPTO huggingface dataset:
Patent JP-H0264374-A (JP)
Title: Heat transfer tube for absorber and manufacture thereof
Inventor: NOSETANI KIYOSHI
IPC: F25B37/00
Filed: 1988-08-29
Abstract: PURPOSE:To make absorbing liquid in respective troughs flow down effectively and prevent the stagnation of the same by a method wherein a plurality of crests and troughs, extending axially on the outer surface of a tube, is formed alternately while a multitude of slant grooves, crossing diagonally respective crests formed on the outer surface of the tube respectively, is formed. CONSTITUTION:When a heat transfer tube is manufactured by a non-worked cylindrical tube, the tube is passed through a die, in which a plurality of axially extending crests and troughs is formed alternately, to form objective crests and troughs on the outer surface of the cylindrical tube. An indenting tool, provided with projected spiral threads on the inner surface or the outer surface thereof, is employed to push the projected threads against the crests, formed on the outer surface of the heat transfer tube, and form slant grooves on the crests while the outer surface of the cylindrical tube is recessed at positions corresponding to the slant grooves to make protrusions on the inner surface of the cylindrical tube at positions corresponding to the recesses formed on the outer surface of the same tube.
Patent JP-H05227512-A (JP)
Title: Video signal transmitter
Inventor: KOJIMA YUICHI
IPC: H04N19/174
Filed: 1991-07-31
Abstract: PURPOSE:To uniform the distribution of the distortion of a visible picture, and to transmit picture data without deteriorating the picture quality of the picture data by quantizing the actually transmitted picture data based on the first and second quantization parameters. CONSTITUTION:This device is equipped with a quantization parameter control circuit 23 which controls the quantization parameter of each block of the transmitted picture based on an output result from first and second local decoding circuit systems 21A and 21B, and a flatness judging circuit 22. Then, when the picture data corresponding to a video in which the distortion is easy to be generated, and a video signal VD corresponding to the video in which the distortion is difficult to be generated coexist in the same unit block group, coefficient data obtained by orthogonally transforming the video signal VD are locally decoded, and a difference between the data and the original video signal is searched. Then, the quantization characteristic of the corresponding video signal is controlled based on second quantization information S24 of each unit block, and first quantization information S9 of each unit block group, which is searched by the pertinent differential data.
Patent JP-H04102790-A (JP)
Title: Joint for steel pipe
Inventor: GOMI CHIKASHI
IPC: F16L19/08
Filed: 1990-08-14
Abstract: PURPOSE:To facilitate the connecting work of steel pipe without a special processing of a connecting end of a steel pipe by screwing a union nut with a male screw of a connecting end of a valve or the like, and compressing a gasket to seal a clearance, and while pressure-welding a holding ring to the steel pipe. CONSTITUTION:A male screw 1a is formed in the outer peripheral surface of a connecting end 1, and a union nut 2 is screwed with the male screw 1a. The union nut 2 is engaged with a bush 4, and the bush 4 abuts on a washer 8, and a thrust washer 9 abuts on a gasket 3, and the gasket 3 is installed between the inner peripheral surface 1b of the connecting end 1 and the outer peripheral surface 10a of the steel pipe 10. The union nut 2 is screwed with the connecting end 1 to compress the gasket 3 and seal a clearance between the connecting end 1 and the steel pipe 10 and hold the bush 4. A nut 5 is screwed with a male screw 4c formed in the outer peripheral surface of the bush 4, and the nut 5 is screwed with the bush 4 to reduce a diameter of the bush 4, and a diameter of a holding ring 6, which is installed to the inner peripheral surface 4e, is reduced, and the holding ring 6 is pressure-connected to the steel pipe 10. Connecting work can be thereby performed easily without processing an connecting end of a steel pipe.
Patent JP-H1060827-A (JP)
Title: Shifter for segment block
Inventor: KUWANO KIMINARI
IPC: E01D101/24
Filed: 1996-08-14
Abstract: PROBLEM TO BE SOLVED: To make it possible to mate the joint surfaces of segment blocks with each other easily by installing an engaging tool engaged with a chain link for an endless chain to a truck, on which the segment block is placed and which travels on a timbering girder. SOLUTION: A chain driving device 4 and a following sprocket 5 are mounted on the top face of a timbering girder 3, chains 6 are set up between the chain driving device 4 and the following sprocket 5 in an endless loop shape, and a servo mechanism synchronizing the travelling of the chains 6 on double each girder 3 is installed to the driving device 4. A truck 7 moves the block 10 with the travelling of the chain 6 by supporting both overhung flange undersides of the segment block 10 onto the girder 3 through jacks mounted on the truck 7 and a support base and engaging an engaging tool 11 set up to the truck 7 with a link for the chain 6, the block 10 can be drawn near accurately by servo-controlling the driving device 4, and a joint surface with the adjacent block 10 can be mated easily.
Patent JP-H1162874-A (JP)
Title: Bearing device of pump and pumping device
Inventor: KURITA HATSUO
IPC: F04D29/06
Filed: 1997-08-08
Abstract: PROBLEM TO BE SOLVED: To repeatingly perform an aerial operation in a stable state for a long period by reserving nonvolatile liquid in a reservoir in a bearing device of a pump provided with the reservoir whose lower end part is fixed to a pump main shaft so as to surround a bearing case. SOLUTION: A reservoir 8 is fixed to a pump main shaft 4 so as to surround a bearing 3. The upper end of this reservoir 8 is bent into a U-shape toward a bearing case 7 and a scattering due to centrifugal force of liquid 9 supplied to the inside is prevented. As liquid 9, liquid which is nonvolatile, has a lubricating characteristics, is larger in specific gravity than that of liquid pumped up by a pump and has a property which does not mix with the liquid is used. When the pump main shaft 4 is revolved, also the reservoir 8 and liquid 9 revolve at the same time and a circulation shown by an arrow is generated by centrifugal force in liquid 9. Because the bearing 3 is always soaked in liquid 9, lubrication by liquid 9 is performed and a stable operation can be performed also in the aerial operation state at the time of a preceding standby operation.
Patent JP-H0264554-A (JP)
Title: Electrophotographic sensitive body
Inventor: OKAWA HARUO
IPC: G03G5/082
Filed: 1988-08-31
Abstract: PURPOSE:To prevent the faulty cleaning of the photosensitive body, and picture defects such as the generation of a fogging or a black spot in the back ground part of the picture, etc., at the same time by specifying the surface roughness of a transparent protective layer. CONSTITUTION:The photosensitive body comprises a selenium type photosensitive layer (A) and the transparent protective layer (B) dispersed conductive powders into a resin. The surface roughness of the layer (B) is specified to a root mean square value of the roughness (RMS) of 0.03-0.15mum. When the value of the RMS is less than said value, the faulty cleaning is easy to occur. When the value of the RMS is larger than said value, the fogging and the black spot generate at the back ground of the picture. For example, the layer (A) is formed by vapor-depositing As2Se3 on an Al pipe and then polishing it. The layer (B) is formed on the layer (A) if necessary, through an intermediate layer by applying a coating solution contg. tin oxide powders and a polyurethane as an essential component on a substrate.
Patent JP-H0757533-A (JP)
Title: Manufacture of conductive high molecular copolymer
Inventor: SHIRASAKI TOMOYUKI
IPC: C08G61/10
Filed: 1993-08-06
Abstract: PURPOSE:To manufacture a desired highly-conductive high molecular copolymer by applying proper oxidation potentials to monomers or oligomers serving as a cyclic unit. CONSTITUTION:Multiple kinds of monomers or monomers and oligomers having different optimum oxidation potentials respectively and conjugate double bond are oxidation-polymerized in a solvent dissolved with an oxidant to manufacture a conductive high molecular copolymer. A mixed solvent mixed with multiple kinds of solvents selected to form multiple kinds of solvations with the oxidant is used for the solvent. Proper oxidation potentials are applied to the monomers or the monomers and oligomers respectively for oxidation polymerization, and a copolymer of multiple kinds of monomers or monomers and oligomers is obtained.
Patent JP-H0660107-A (JP)
Title: Fft arithmetic operation circuit
Inventor: KAWABUCHI ETSURO
IPC: G06F17/14
Filed: 1992-08-12
Abstract: PURPOSE:To realize the FFT arithmetic operation circuit in which the number of cycles for one arithmetic operation is reduced. CONSTITUTION:The FFT arithmetic operation circuit used by a digital signal processing measurement instrument such as an FFT analyzer is provided with a multiplexer 1a receiving external time series data at its 1st input terminal and selecting any data among received 5 data, a RAM 2 storing an output of the multiplexer 1a, a 1st ROM 3b from which sinusoidal wave data are outputted, a 2nd ROM 3a from which cosine wave data are outputted, and a butterfly arithmetic operation circuit 50a receiving each output from the RAM 2, the 1st and 2nd ROMs 3a, 3b and four kinds of the arithmetic operation results are respectively inputted to 2nd - 4th input terminals to implement 2-input and 2-output complex arithmetic operation. Furthermore, the arithmetic operation circuit processes external time series data while dividing the data into a real part and an imaginary part.
Patent JP-S59105452-A (JP)
Inventor: WATANABE CHIZURU
IPC: A61H33/06
Filed: 1982-12-08
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-S59105454-A (JP)
Inventor: WATANABE CHIZURU
IPC: A61H36/00
Filed: 1982-12-08
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-S6371841-A (JP)
Title: Optical recording medium
Inventor: YANO EI
IPC: G03C1/73
Filed: 1986-09-16
Abstract: PURPOSE:To enable the reversible writing/erasion and to improve the stability for a long time of a cumulative film as well as the preservability of record by accumulating monomolecular film of a specified dioxypyrimidine deriv. on a substrate. CONSTITUTION:A monomolecular film consisting of a dioxypyrimidine deriv. expressed by the formula is accumulated on a substrate 4. In the formula, R1 is a 16-22C long chain alkyl; R2 is H, 2-4C carboxyalkyl, or pentose residue; R3 is H, or methyl. The compd. expressed by the formula can form a monomolecular film on the surface of water and can be accumulated on the substrate 4 by the Langmuir-Blodgett's technique. The absorption of the specified wavelength accompanying the photodimerization is eliminated by the irradiation with the ultraviolet rays having a first wavelength, and the dimer is splitted by the irradiation with the ultraviolet rays having a second wavelength to restore the above described absorption. By this method, the reversible optical recording has become possible, and a recording medium having the stability for a long time of the film as well as high preservability of record is obtd.
Patent JP-H0268860-A (JP)
Title: Secondary battery
Inventor: MIYABAYASHI MITSUTAKA
IPC: H01M10/0525
Filed: 1988-09-01
Abstract: PURPOSE:To enable stable high-capacity discharge by using lithium or alkarine metal chiefly containing lithium as active material and forming a carrier from mixture of specific carbon material and metal able to be alloyed with the active material. CONSTITUTION:Active material is lithium or alkaline metal chiefly containing it and a carrier is formed from mixture of both a carbon material having the face-to-face spacing (d002 between face (002) of 3.37A or more by the X-ray wide-angle diffraction method and the crystal element in the (c) direction of 150A or less in size, and metal able to be alloyed with active material. so the mixture material thermally discomposes organic compound into carbon and simultaneously thermal discomposes the organic metal compound containing metal able to be alloyed with the active material. Since lithium(Li) which functions as active material at the time of charging or alkaline metal chiefly containing lithium may be fixed stable to the carrier, the high capacity current may be discharged stably.
Patent JP-H0379130-A (JP)
Title: Space diversity receiver
Inventor: KUBO NORIO
IPC: H04B7/08
Filed: 1989-08-23
Abstract: PURPOSE:To enable the transmission with high-definition by generating a control signal by utilizing the pieces of quality information on a 1st and a 2nd line and the comparison result of a reception level comparison part, and selecting and sending 1st or 2nd data corresponding to the state of the control signal. CONSTITUTION:First and second reception and demodulation parts 3 and 5 extract 1st and 2nd data on a 1st and a 2nd reception level from a 1st and 2nd received wave and 1st and 2nd line quality detection parts 4 and 6 detect specific patterns in the 1st and 2nd data to extract the pieces of quality information on the 1st and 2nd lines. Then the reception level comparison part 7 compares the 1st and 2nd reception levels with each other and the comparison result and the pieces of quality information on the 1st and 2nd lines are applied to a switching control part 8. The switching control part 8 generates a switching signal for selecting a line with higher quality by using the comparison result and the pieces of line quality information and sends it out to the switching part 9, which selects the 1st or the 2nd data corresponding to the control signal.
Patent JP-2000044495-A (JP)
Title: Decomposition of alkane, recovery of methane and production of methane
Inventor: OTSUKA KIYOSHI
IPC: C07B61/00
Filed: 1998-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a process that can easily and efficiently decompose alkanes. SOLUTION: Alkanes are brought into contact with one or two or more kinds of alloys selected from the group consisting of MmNi4.15Fe0.85 (Mm: misch metal) alloy, MmNi4.5Zn0.65Cr0.55 alloy, LaNi4.9Al0.1 alloy and CaNi5 alloy at 400-700 deg.C to separate hydrogen from carbon in the alkanes and the separated hydrogen is occluded in the alloy.
Patent JP-S59105734-A (JP)
Title: Detecting circuit of pilot signal and noise level
Inventor: KANEKO AKIRA
IPC: H04B17/382
Filed: 1982-12-09
Abstract: PURPOSE:To prevent the malfunction of a TV-N detecting circuit by connecting via a diode between the 1st and 2nd Schmitt circuits contained in a detecting circuit of pilot signal (TP-PL) for telephone base band signal and a detecting circuit of pilot signal (QV-N) for TV base band respectively. CONSTITUTION:The TP signal is supplied to a TP-PL detecting circuit 16 while the TP signal is being transmitted to a spare circuit. The signals excepting a pilot signal are prevented by a BPF11 for PL signal, and only the pilot signal is supplied to a wave detecting circuit 12. The DC voltage detected by the circuit 12 is compared with a prescribed potential of a constant potential source 14 through the 1st Schmitt circuit 13, and the normal or abnormal state is decided for the input level of pilot signal. Then an alarm signal is delivered in the abnormal state. In other words, the output of the circuit 13 has negative voltage when the level of the pilot signal for TP signal is normal. While the output of the circuit 13 is reduced to an earth potential in the abnormal state of a low level and an alarm signal is outputted.
Patent JP-H0380851-A (JP)
Title: Bracket for dental surgery reform
Inventor: FUKUHARA TATSURO
IPC: A61C7/28
Filed: 1989-08-23
Abstract: PURPOSE:To facilitate the dental surgery reform for moving a tooth along an arch wire and to shorten the medical treatment period by guiding a ligating line to a separated position in the arch wire by a ligating line guidance means, and ligating a pair of projecting bodies. CONSTITUTION:To the front of a tooth 2, a base 4 of a bracket 3 for dental surgery reform is stuck with an adhesive. On the base 4, a pair or more of projecting bodies 5 are provided, and on head parts of each projecting body 5, a wing 6 is provided integrally in the sideways outside direction, respectively, and on the projecting body 5, a guidance groove 7 is provided in the oblique direction. Between a pair of projecting bodies 5, 5, a slot S is provided and an arch wire 8 whose cross section is a square type is inserted therein, and as for its arch wire 8, its outside is ligated by a ligating line 9 so as not to be detached from between the projecting bodies 5, 5. Also, the guidance groove 7 which extends over the projecting body 5 and a part of the wing 6 and provided like an inclination guides the ligating line 9 to a separated position in the arch wire 8.
Patent JP-H0860108-A (JP)
Title: Adhesive sheet and flat cable
Inventor: KURIYAMA TADAYUKI
IPC: C09J7/02
Filed: 1994-08-18
Abstract: PURPOSE: To obtain the adhesive sheet having non-halogen flame retardancy suitable for the production of a flat cable, obviating a shrinkage-preventing film on the adhesion of the flat cable to a substrate, and improving the workability for the adhesion. CONSTITUTION: The flame-retardant adhesive sheet comprises the laminate of an insulating film to an adhesive layer comprising a phosphorus-modified saturated copolyester in which the phosphorus component is introduced into the saturated copolyester main skeleton, wherein the concentration of the phosphorus in the polyester component is >=0.6wt.% based on the whole amount of the adhesive sheet. The insulating film is preferably a polyimide film. The flat cable has a structure comprising a conducting layer 2 and an adhesive layer and an outside insulating film which are disposed on both the sides of the conducting layer 2 as insulating materials 107a, 107b, wherein the insulating material 107a or 107b on at least one of both the sides is formed from the adhesive sheet.
Patent JP-H1037176-A (JP)
Title: Structure and method for strengthening of ground
Inventor: NASU SUSUMU
IPC: E02D3/10
Filed: 1996-07-29
Abstract: PROBLEM TO BE SOLVED: To effectively prevent liquefaction of reinforced ground. SOLUTION: Without rotating, a casing 1 is intruded into the ground G by its own weight through excavation of the ground using a tip cone 5 of a hollow rod 2 provided in the casing 1, and compaction is made effectively without collapsing the surrounding ground G by further intruding the casing 1 into the ground G by an intruding means 10 while swings are given by a swing device 19. The aggregate put in the casing 1 is compacted by a screw 4 mounted on the hollow rod 2 while the subsoil water permeated into the casing 1 is pumped up to the drain path provided in the rod 2.
Patent JP-H0657870-A (JP)
Title: Roofing of building
Inventor: NAKANO KOJI
IPC: E04B7/02
Filed: 1992-08-14
Abstract: PURPOSE:To ensure a large space in the internal part of a roof. CONSTITUTION:Roof units 13A-13C in which struts to be situated on the inside of a roof 12, of a plurality of struts 21A-21D, 23A-23D, are formed into removable temporary struts 22A-22C are manufactured. In a building site, the temporary struts 22A-22D are removed after these roof units 13A-13C are combined together. When each strut 22A-22C is removed, adjacent upper and lower end hood bows 17A-17C are mutually connected through proper connecting members.
Patent JP-2000051081-A (JP)
Title: Durable filter for coffee maker
Inventor: CHRISTIAN JUSTUS
IPC: A47J31/08
Filed: 1999-07-30
Abstract: PROBLEM TO BE SOLVED: To make a dripped beverage with substantially uniform concentration even when used materials are provided with different compositions by forming at least one liquid permeable section between upper and lower sections in a wall part of a filter housing. SOLUTION: A durable filter is provided with a filter housing 2 having side walls 4, and each side wall 4 is divided into two opposed side parts, that is, into an upper section 4a and a lower section 4b. The upper section 4a and the lower section 4b are connected together via a horizontally extended wall step 6 extended orthogonally to the vertical axis. The wall step 6 can allow permeation of liquid because it is provided with holes 8. In this way, the wall step 6 functions as an overflow port discharging excessive water containing comparatively weak tea to be mixed with strong tea liquid flowing out from the bottom part and a lower part area of the filter housing 2.
Patent JP-2001040734-A (JP)
Title: Sanitary device
Inventor: TERADA YOSHIRO
IPC: A47K13/30
Filed: 1999-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a sanitary device prevented from erroneous detection even with water drops, flaws or soil such as urine stuck to the outer surface of a filter regarding a sensor unit disposed in the sanitary device. SOLUTION: This sanitary device is provided with a light emitting part 11 emitting light being provided in a sensor unit 10 disposed in the sanitary device; a light receiving part 12 provided in the sensor unit 10 to detect light emitted from the light emitting part 11 and being reflected by an object and returning back; a control circuit for reading the light received by the light receiving part 12 to detect the object; and a filter 4 provided in front of the light emitting part 11 and light receiving part 12 to cover the light emitting part 11 and light receiving part 12. In this case, a light shielding member 5 is provided to cut off connection between the light emitting part 11 side and light receiving part 12 side of the filter 4.
Patent JP-S6373234-A (JP)
Title: Original platen for copying machine
Inventor: TANIGUCHI YASUSHI
IPC: G03B27/62
Filed: 1986-09-17
Abstract: PURPOSE:To decrease the coefft. of friction to paper and to improve mechanical and chemical durability by forming a thin film of an org. compd. to decrease the coefft. of friction on a transparent conductive film on a glass surface. CONSTITUTION:The transparent conductive film 1d and the thin film 1e of the org. compd. to decrease the coefft. of friction, more preferably the thin film of a higher amine of >=10C, most preferably the thin film of an octadecyl amine are successively formed on the glass 1c surface of an original platen made of glass. For example, the coefft. of friction to paper is decreased to <=0.1 if the thin film of the octadecyl amine is formed by a spraying method, CLD method, dipping method, etc. The thin film acts as a protective film having the excellent mechanical strength and chemical stability.
Patent JP-S59106937-A (JP)
Title: Preparation of information disc by duplication
Inventor: YOSHIOKA SHINPEI
IPC: G11B11/00
Filed: 1982-12-11
Abstract: PURPOSE:To prevent air bubbles from mixing in molded resin while preventing the adhesion of foreign matters to the resin surface, in a forming molding method using radiation curable resin, by continuously performing a process reaching film formation after preliminary curing under a pressure reduced environment lower than the atmospheric pressure. CONSTITUTION:All of air lock chambers 1, 3, 5, a molding chamber 2 and a vacuum plating chamber 4 are formed in an air-tight structure and mutually partitioned by gate valves 6-11 while the chambers 1-5 are held under a pressure reduced state by vacuum pumps 17, 18. A base plate having a radiation curable resin layer formed to the surface thereof by a rotary coating apparatus 26 receives the irradiation f a minute amount of radiation from a radiation source 32 to perform the preliminary curing of the resin layer. Subsequently, the base plate is carried onto the exposure table 34 of an exposure apparatus 33 and the information signal of a mold surface is transferred to the surface of the resin layer by a mold 35 while the resin layer is perfectly cured by irradiating the same with radiation from a radiation source 37. Thus obtained duplicated information disc is introduced into a vacuum plating chamber 4 to form a film on the surface of the resin layer.