baber/WOPTO huggingface dataset:
Patent JP-H10204391-A (JP)
Title: Self-adhesive vinyl chloride resin sheet and its production
Inventor: ASADA KENJI
IPC: C09J7/02
Filed: 1997-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a self-adhesive vinyl chloride resin sheet that is excellent in anchoring properties, is based on a vinyl chloride resin sheet contg, a calcium- treated pigment, and can be produced without causing complication of the process and increase in cost. SOLUTION: The vinyl chloride resin sheet contg. a vinyl chloride resin, a calcium-treated pigment, and a barium- or calcium-based terminal stabilizer and having a barium content of 0.003-0.22wt.% and a calcium content of 0.08-0.4wt.% (based on the resin) is used as the substrate sheet.
Patent JP-S57166315-A (JP)
Title: Separation of dissolved molybdenum values
Inventor: DEERU KEI FUGINSU
IPC: C22B34/36
Filed: 1982-01-19
Abstract: Dissolved molybdenum is removed from sodium tungstate solutions by adding sulfuric acid to lower the pH value of the solution to between about 8 and about 5, adding to the sodium tungstate solution a water-soluble sulfide in an amount of at least 0.5 gram per liter (gpl) in excess of that required to precipitate as sulfides molybdenum and certain other metals, then lowering the pH value of the sodium tungstate solution to between about 4.0 and about 1.5 as rapidly as possible with sulfuric acid in such a way as to precipitate molybdenum trisulfide while minimizing coprecipitation of tungsten.
Patent JP-H06215315-A (JP)
Title: Magnetic head
Inventor: HIRATA TADATOSHI
IPC: G11B5/23
Filed: 1993-01-19
Abstract: PURPOSE:To prevent the deterioration in recording and reproduction due to the reduction in the practical track width of a magnetic gap to the apparent track width as well as to maintain high-frequency characteristics. CONSTITUTION:A pair of magnetic core halves 1, 2 are butted with gap films 3, 4 in-between and a magnetic gap (g) is formed at the butted faces. At least one of the magnetic core halves 1, 2 has a laminated film (metallic magnetic film 5 or 6) obtd. by laminating metallic magnetic thin films 5a or 6b via nonmagnetic films 5b or 6b and only a part of the laminated film close to the magnetic gap consists of only the metallic magnetic thin films 5a or 6a.
Patent JP-S57119597-A (JP)
Title: Motional feedback type speaker
Inventor: HIGUCHI MASAHIRO
IPC: H04R3/00
Filed: 1981-01-19
Abstract: PURPOSE:To improve low-frequency-range characteristics with great amplitude by making low-frequency detection range wide and linear by directly detecting the displacement of the drive system of the diaphragm, etc., of a speaker and then by feeding back a speed and an acceleration signal, obtained from the detection signal, to the drive system. CONSTITUTION:At the center part of the center pole 10 of a speaker, a light source 1 is provided and a reflecting plate 4 is attached to the internal wall of a dust cap 11. In another way, a light source 11 is provided to a top plate 12 and the reflecting plate 4 is fitted to the opposite diaphragm 13. The displacement of the drive system of the diaphragm 13, etc., is detected directly by a detector 6 consisting of the light source 1, reflecting plate 4, etc., and the extent of the displacement of the oscillation system of a speaker 14 is calculated by an arithmetic circuit 15 by the detection signal, thereby performing speed or acceleration conversion by a converting circuit 16 in accordance with the arithmetic result. Its converted signal and an original input are compared by a comparing circuit 17, and the comparison result is fed back to the drive system of the speaker 15 through an amplifier 18 to make low-frequency detection range wide and linear.
Patent JP-S61165646-A (JP)
Title: Apparatus for inspecting terminal pressure bonded part of terminal pressure bonded electric wire
Inventor: KOBAYASHI MASAKAZU
IPC: G01B11/02
Filed: 1985-01-17
Abstract: PURPOSE:To inspect the presence of the meshing inferiority of a terminal, by measuring the dimension of the coating part or conductor grasping part of a pressure bonded terminal on the basis of the contour line image obtained by picking up the image of a terminal press bonded part to compare the same with a tolerant dimension. CONSTITUTION:The terminal of an electric wire, to which a terminal T is bonded under pressure by a terminal impact machine 5, reaches a photosensor 8c with the revolution of an arm 3 and a stroboscopic light source 8a emits light by the output of the photosensor 8c and the image of said terminal is picked up by a television camera 8b and stationary image data is taken in RAM, CPU reads this image data from RAM and operates the data of the center line CL of the electric wire W to calculate dimensions Xi with respect to three points P1, P2, P3 and the dimensions obtained squaring said dimensions are cumulated and added while dimensions Yi with respect to three points P1, P2, P3 are calculated and respectively squared to be cumulated and added. If these cumulated valves exceed a tolerant value, the judgement of an inferior product is performed. By this method, the usual meshing inferiority of the press bonded part can be inspected relatively simply and certainly.
Patent JP-H09196975-A (JP)
Title: Signal output circuit and peak detection circuit
Inventor: SHINOHARA MASATO
IPC: G01R19/165
Filed: 1996-01-19
Abstract: PROBLEM TO BE SOLVED: To obtain a peak detection circuit by which the maximum value or the minimum value of outputs is detected at a high speed and with high accuracy when a minimum output or a maximum output from a plurality of signal sources is detected, by connecting a plurality of stages of peak output units in series. SOLUTION: Signals from signal sources S1 to S4 are input to peak output units X1 to X4 . Then, at every peak output unit, an output at a large level out of an output from the peak output unit at a previous stage and a signal output from the signal source is output to the peak output unit at a next stage. For example, in the peak output unit X2 , an output whose level is large out of an output from the peak output unit X1 at a previous stage and an output from the signal source S2 is output to the adjacent peak output unit X3 . In this manner, a largest signal out of signals from the signal sources S1 to S4 is output from the peak output unit X4 at a final stage. In addition, a comparison voltage V0 is input to the peak output unit X1 at a first stage. The comparison voltage V0 is set to be smaller than the peak value of signals of the signal sources S1 to S4 .
Patent JP-H07211890-A (JP)
Title: Semiconductor device and driving method
Inventor: KUBO KAZUYA
IPC: H04N5/341
Filed: 1994-01-27
Abstract: PURPOSE:To provide a semiconductor device that has a wider dynamic range while maintaining high sensitivity at its input even if input charge decreases. CONSTITUTION:A semiconductor device comprises at least three storage electrodes 4, 6 and 8 for storing charge, an electrode 5 for isolating the electrode 4 on the input stage from the electrode 6 on the next stage, and an electrode 7 for establishing a potential lower than those in the storage regions given by the electrode 6 and the electrode 8 on the output stage.
Patent JP-H09196473-A (JP)
Title: Heat storage method, manufacture of heating air, and cooling/heating method
Inventor: WATANABE MASAO
IPC: F24S90/00
Filed: 1996-01-19
Abstract: PROBLEM TO BE SOLVED: To collect a large amount of heat by a method wherein solar energy is collected from the outside air during summer, and the solar energy is absorbed and stored with water. SOLUTION: The heat source is the hot outside air, i.e., solar energy, during summer, and the heat absorbing and storing medium is water (drift ice). The temperature is raised by compressing the outside air during summer, and the compressed air of which the temperature has been raised is thermally brought into contact with running icy water to make them heat-exchange, and heated water is manufactured. Also, the temperature is lowered by expanding the compressed air being heat-exchanged, and the temperature-lowered air is brought into contact with drift ice, and cool air is manufactured. Then, stored heated water is used during winter to heat the outside air, and air for heating is manufactured.  In addition, the cooled air is distributd and fed to urban houses through a heat insulated piping network during summer, and the heated air is distributed and fed through the piping network during winter.
Patent JP-2000206843-A (JP)
Title: Reusable recorded material and method and system for recycling the same.
Inventor: YOSHIE NAOKI
IPC: B41J29/00
Filed: 1999-01-14
Abstract: PROBLEM TO BE SOLVED: To realize a recorded material hardly causing a deterioration in paper passing performance in recycling, whose surface is made uniform and free from the occurrence of an uneven transfer, and to realize its recycling method. SOLUTION: As for the recorded material recycling method, at the recycling process for recorded material which is constituted of at least a base material layer and a surface layer made of water-swelling resin, and which is reusable by swelling the surface layer by water-based solvent, applying a dynamic stress and removing printing material, dry fine particles are uniformly applied on the surface of the recorded material. Such recyclable recorded material that is constituted of at least the base material layer and the surface layer made of water swelling resin and that can be recycled by swelling the surface layer by the water-based solvent after uniformly applying the dry fine particles onto the surface of the material, can be obtained.
Patent JP-S54100626-A (JP)
Title: Character generator
Inventor: FUKUSHIMA YOSHIO
IPC: G06F3/14
Filed: 1978-01-25
Abstract: PURPOSE: To enable a unidirectional scanning method to read out character information selectively, by recording the character information on a recording disc in a nearly spiral shape.  
     CONSTITUTION: On recording disc 1, timing marks 6 1  to 6 n  are recorded at its circumference and pieces of character information 2 1  to 2 n  are recorded optically along a spiral curve toward its center matching with timing marks. This recording disc 1 is rotated by motor M at a constant speed. The mark detector composed of light source 7, slit 8, lens 9, and photoelectric converter 10 detects marks 6 1  to 6 n , and a circuit not shown in the figure detects the position of disc 1. Light flux from unidirectional deflector 4 deflects and scans on the curved line on which character information is recorded from the center of disc 1 to its circumference, and unidirectional solid sensor 5 reads out the character information. The character information is a binary code, for example of 32-by-32 bits obtained through 32- by-32 matrix division, and the curved line forming the character information is one part of the Archimedes's eddy. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S57123831-A (JP)
Title: Preparation of magnetic iron oxide powder
Inventor: ARAKI YASUO
IPC: C01G49/00
Filed: 1981-01-20
Abstract: PURPOSE: To obtain magnetic Fe 2 O 3  powder, by heating an aqueous suspension of Fe(OH) 3  under alkaline condition in the presence of a crystallization controlling agent capable of forming coordinate bond with Fe to obtain acicular α- Fe 2 O 3 , converting the α-Fe 2 O 3  to acicular γ-Fe 2 O 3 , and keeping the product at a specific temperature under alkaline condition in the presence of Fe(OH) 2  and Co(OH) 2 .  
     CONSTITUTION: An aqueous suspension of Fe(OH) 3  is heated under alkaline condition in the presence of one or more crystallization controlling agent comprising a water-soluble compound capable of forming coordinate bond with Fe to obtain acicular α-Fe 2 O 3 . The acicular α-Fe 2 O 3  is converted to acicular γ-Fe 2 O 3  by reduction and reoxidation, and is kept at 30W50°C in alkaline water in the presence of Fe(OH) 2  and Co(OH) 2  followed by filtration and drying. The crystallization controlling agent is a compound having one or more groups selected from -OH, -COOH, -O-, >C=O, -SO 3 H, -PO 3 H 2 , -NH 2  =N-OH, ≡N, -SH, -S-, >C=S, -CS 3 H, -COSH, and -OCN. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-2000209032-A (JP)
Title: Structure of voltage oscillator
Inventor: SATO YOSHIAKI
IPC: H03B5/02
Filed: 1999-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a structure of a voltage oscillator which can reduce the total height of the oscillator mounted on a printed circuit board and also can reduce the area of the printed circuit board to reduce the area occupied by the voltage oscillator by reducing the thickness of this oscillator that contains a voltage vibrator having a sealed structure. SOLUTION: A package main body 10 which stores a piezoelectric vibration element in a recess part formed on is top surface, a piezoelectric vibrator 3 which has a metallic cover 12 that is protruded and fixed on the top surface of the main body 10 to seal the recess part of the main body 10 and the circuit parts 4 composing an oscillation circuit are mounted on a printed circuit board 2. Then a space of the board 2 including the vibrator 3 and the parts 4 is covered with a metallic shade 5. In such a constitution of a piezoelectric oscillator, plural cut parts 6 are formed along the fringe of the under surface of the shade 5 corresponding to the outer circumference contour of the top surface of the cover 12.  Then the contact is secured between the parts 6 and the outer circumference of the shade 5 to position the shade 5 to the vibrator 3, and the contact part between the cover 12 and the shade 5 is fixed by a binder 20.
Patent JP-2000202939-A (JP)
Title: Antibacterial laminate
Inventor: SUZUKI TOSHIHIDE
IPC: B32B7/02
Filed: 1999-01-14
Abstract: PROBLEM TO BE SOLVED: To develop sterilizing properties, antibacterial properties, antifungal properties and deodorizing properties over a long period of time. SOLUTION: A laminate 1 has a base material at least one surface of which has antibacterial properties and a photocatalyst layer 4 formed on at least one antibacterial surface and containing a substance developing photocatalytic function. In this case, the base material may be a laminate consisting of a substrate 2 and the antibacterial layer 3 formed on at least one surface of the substrate 2 and containing an antibacterial agent or a single-layered material containing an antibacterial agent. It is preferable that the substance having photocatalytic function is exposed to the outermost surface of the laminate.
Patent JP-S56108368-A (JP)
Title: Ship
Inventor: MIYAMOTO MASAFUMI
IPC: B63B1/32
Filed: 1980-01-25
Abstract: PURPOSE: To prevent occurrence of vortex resistance and reduce resistance as a whole, by providing rotary columns along the ridgelines between a wide stern wall and the hull sides and equalizing the moving direction of the surface of said rotary column due to its rotary motion to the water flow direction.  
     CONSTITUTION: In the ridgelines between a wide stern wall 11 and hull sides 12, rotary columns 13 are provided along on ridgelines and rotated by a motor 14 to equlize the moving direction of the surface of said column to the direction of water flow, and thus generation of vortex resistance is reduced to decrease resistance as a whole. Such column part 13 can be provided not only in the stern but also in the stem and further can be set along a ridgeline between the wide stern wall and the bottom of hull. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H01185562-A (JP)
Title: Image forming device
Inventor: WATANABE JUNJI
IPC: G03G15/00
Filed: 1988-01-18
Abstract: PURPOSE:To reduce the cost and to simplify the structure by enabling an image carrier and a fixing a device to be switched to >=2 speeds by switching a clutch mechanism while the movement of a driving source is almost at a stop. CONSTITUTION:The image carrier 20, developing device 24, and fixing device 35 are driven with the common driving source 101, and at the same time the clutch mechanism which enables the switching of the driving speed to >=2 speeds in a driving system for the image carrier 20 and the developing device 24 is provided. The switching of this clutch mechanism is carried out while the movement of the driving source 101 is almost at a stop. Therefore while keeping the driving speed of the developing device 24 constant by the common driving source 101, the image carrier 20 and the fixing device 35 can be driven at a different speed by switching the clutch mechanism. Thus the cost can be reduced, and the movements of developing device 24, image carrier 20, and fixing device 35 can be simply but surely synchronized.
Patent JP-S55101000-A (JP)
Title: Polishing of metals for dental prosthetic
Inventor: IKEDA RIYOUICHI
IPC: A61C13/00
Filed: 1979-01-26
Abstract: PURPOSE: To raise the fineness of the surface of roughly manufactured metal tooth crown by a rapid polishing and molding method in which an electrolytic action is caused by using an neutral salt electrolyte between a metal crown as anode molded by casting and a metal cathode and concurrently a polishing action by an abrasive is performed.  
     CONSTITUTION: The metal crown 1 roughly molded by casting, as anode, is supported by the holder 2, and the shaft 3 to support the abrasive 4 is used as metal cathode. Both the electrodes are arranged in the tank 10 and the neutral salt electrolyte 9, e.g., NaNO 3 , etc., is jetted from the nozzles 5 for electrolysis. In this case, when applying the electrolyte 9 onto the metal cover 1 while rotating the abrasive 4, both electrolytic elution and anodic oxidation take place on the surface of the metal cover 1, and then when the surface is polished by the abrasive 4, oxides are removed and convexities alone are exposed, and thus electrolytic action on the convexities is accelerated by focussing the electrolytic current on the convexities to cause a mirror polishing to take place. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H10205434-A (JP)
Title: Slurry force fed device
Inventor: HAYASHIMOTO KAZUTOMO
IPC: F04B15/02
Filed: 1997-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a slurry force feed device to perform the feed of slurry, having very low fluidity, without lowering force feed efficiency. SOLUTION: Two piston pumps 22 and 24 alternately respeat a delivery stroke and a suction stroke. stroke. When one piston pump of the two pistons pumps 22 and 24 effects the suction stroke, a feeder part 26 is connected to the piston pump 22 through a suction oscillation pipe 30. In this case, since a feeder device 48 to forcibly feed charged slurry to the cylinder side of the piston pomp 22 is disposed at the feeder part 26, even when the slurry is concrete and soil, having extremely low fluidity, or dehydrated sludge having a low moisture content, the piston pump smoothly sucks slurry and effects the suction stroke. Thereby, a slurry forced feed device effects forced feed without lowering forced feed efficiency even when slurry has very low fluidity.
Patent JP-S60153039-A (JP)
Title: Photosensitive silver halide material
Inventor: IKEGAMI SHINPEI
IPC: G03C1/06
Filed: 1984-01-20
Abstract: PURPOSE:To decrease photographic fogs and to improve sensitivity by incorporating a compd. which releases a fogging agent or developing accelerator or the precursor thereof in the stage of developing and a specific compd. into a photographic layer contg. at least one silver halide emulsion layer on a base. CONSTITUTION:At least one compd. (FR compd.) which releases a fogging agent or developing accelerator or the precursor thereof and on of the compd. (FI agent) expressed by the formula I Z-S-M (M denotes H, cation or -S-Z and Z is a heterocyclic residual group contg. >=1 N atom), the formula II, III or IV [R<1> is alkyl, aralkyl, aryl group, etc., X is O, S, Se or NR<2> (R<2> is alkyl, aralkyl, aryl, etc. and may be the same as or different from R<1>), Q is 5-6-membered atomic group forming heterocycle] are incorporated into a photographic layer contg. at least one silver halide emulsion layer on a base. Such FR compd. and FI agent are preferably incorporated into the same layer or adjacent layers. The sensitivity is improved, fogging is prevented and an excellent granular characteristic is obtd. by the concerted effect of both compd.
Patent JP-H05198509-A (JP)
Title: Method and apparatus for surface treatment
Inventor: GOSHIMA SHIGEO
IPC: H01L21/302
Filed: 1992-01-21
Abstract: PURPOSE:To make it possible to eliminate a facies on the surface of a substrate in a high vacuum at relatively low substrate temperatures without using an ion and without applying a magnetic field. CONSTITUTION:In a vacuum vessel 11, a gas nozzle 19 which is directed towards a substrate 13 held by a substrate holder 14 is installed. The gas nozzle 19 is filled with a catalyst and hydrogen which passes through the nozzle 19 dissociates into active hydrogen atoms. The hydrogen atoms are put into the vacuum vessel 11 and are cast on the surface of the substrate 13 and then a facies on the surface of the substrate is eliminated.
Patent JP-H03226488-A (JP)
Title: Drink supplying apparatus
Inventor: YAMAMOTO HIROSHI
IPC: G07F13/00
Filed: 1990-01-19
Abstract: PURPOSE:To guarantee a cup of drink even if the drink is wasted and to perform sensing of sold-out by switching to connect a negative pressure switching valve to a gas cylinder side if drink in a bag becomes vacant so that the inlet pressure of a gas pump becomes negative, and applying gas pressure to continue the operation of the pump. CONSTITUTION:When a sell command is generated, a selling valve 13 is opened, a gas pump 3 is operated, drink is fed from a flexible bag 1 into the pump 3 through a drink conduit 4, and poured to a cup 10 through a pouring tube 9. The valve 13 is so timer-controlled that a predetermined quantity of drink is poured in the cup 10. If the drink in the bag 1 becomes vacant, a gas pump liquid inlet 7 side pressure becomes negative, and the pump 3 tends to stop to a state before the closing time of the valve 13. In this case, a negative pressure valve 16 is switched to an opposite side. Carbon dioxide gas pressure is applied to the inlet 7 of the pump 3 to maintain its pressure, and the pump 3 continues its operation. Drink in the tube 9 is poured into a sold-out case 21 to guarantee at least one cup of drink in the cup 10, and a sold-out lamp is lit to sense the sold-out.
Patent JP-H03213546-A (JP)
Title: Water absorptive sheet
Inventor: IWAZURU SUMI
IPC: D04H1/50
Filed: 1990-01-19
Abstract: PURPOSE:To obtain the subject sheet composed of a textile material having parts of a high abundance density of fiber and parts of a low abundance density of fiber in the direction of the thickness in which the above-mentioned parts of a low abundance density of fiber is located on one side of the textile product, excellent in quick-drying properties and shape retention and useful as a bath mat, etc. CONSTITUTION:An objective sheet composed of a textile material 1 having parts of a high abundance density (density is increased by forming fibers into a sheet-shape and carrying out heat shrinkage of fibers or pressing from one side) of fiber (e.g. acrylic fiber) and parts of a low abundance density(treatment such as heat shrinkage or pressing is not carried out) of fiber in the direction of the thickness in which one or both sides of the textile material 1 are consisting of the above-mentioned parts of a low abundance density of fiber.