baber/WOPTO huggingface dataset:
Patent JP-H01111832-A (JP)
Title: Electrode material for vacuum switch
Inventor: YAMANAKA TAKASHI
IPC: C22C9/00
Filed: 1988-09-29
Abstract: PURPOSE:To obtain the above material having low cut-off current characteristics by mixing specific amounts of low melting point primary metals, specific secondary ones and third ones to Cu in the powdery state, subjecting the mixture to pressurizing and molding and thereafter sintering it in a hydrogen atmosphere. CONSTITUTION:At least one kind of <=20weight% primary metal powder among Bi, Pb, In, Li and Sn as low point metals, at least one kind of secondary metal powder among Te, Sb, La, Mg, etc., and at least one kind of third metal powder among Cr, Fe, Co, Ni, Ti, etc., are sufficiently mixed in the prescribed compounding ratio by a ball mill, etc. Said mixed Cu-based metallic powder is, for example, pressurized under 3ton/cm<2> pressure, is molded and sintered at about 1000 deg.C in the atmosphere of high purity hydrogen gas. The above material having excellent low cut-off current characteristics can be obtd.
Patent JP-H0691865-A (JP)
Title: Ink jet head
Inventor: KONDO YOSHIHIRO
IPC: B41J2/045
Filed: 1992-09-17
Abstract: PURPOSE:To obtain an ink jet head having a shape memory alloy with an improved reliability, a reduced size, and an enhanced density. CONSTITUTION:A pressurizing vibration body 4 formed by securely laminating a shape memory alloy 2 on a shape regulating body 3 is regulated in shape to be deflected upward by the shape regulating body 3. By heating the pressurizing vibration body 4 by a drive circuit 5, the shape memory alloy 2 reaches a transformation temperature and changes in shape to be deflected downward, thus reducing a volume of an ink chamber 1 to pressurize ink liquid inside to jet the ink liquid from a nozzle 7. By interrupting the heating by the drive means, the pressurizing vibration body 4 is regulated into the unheated shape by the shape regulating body 3. By repeating the aforesaid operation, printing is conducted.
Patent JP-H1157584-A (JP)
Title: Coating device, coating method and production of color filter
Inventor: MAEDA SHINGO
IPC: G02B5/20
Filed: 1997-08-28
Abstract: PROBLEM TO BE SOLVED: To prevent the increase of film thickness at the corner part or the peripheral part of a material to be treated and the falling of liquid drops of a solvent component dewed on the inner surface of an inner cup to the coating surface by supporting an inner cup cap with a rotating shaft freely ascendable, descendable and rotatable at the same rate as the inner cup. SOLUTION: The material A to be treated is supplied on a fixed structure and a coating liquid is supplied to the center part of the surface of the material A to be treated from a coating liquid dropping nozzle at an arm tip part. After the inner cup 3 is covered with an inner cup cap 5, both are rotated and at the time of reaching a fixed rate, the rotation coating is performed at a fixed rate operation for a prescribed time to uniformalize the coating film. After the fixed rate operation is finished, at the time of ascending the inner cup cap 5 in the rotation at the same rate as the inner cup 3, the liquid drops of the solvent component dived on the inner surface of the inner cup cap 5 flies to the outside direction by the centrifugal force and is collided to the inside wall surface of an outer cup 1 and recovered without the falling on the coated surface of the material A to be treated. The coating film uniformalized through the whole material A to be treated and having a fixed thickness is formed and the coating defect is reduced.
Patent JP-H05193511-A (JP)
Title: Rear wheel steering device for vehicle
Inventor: NAKAMURA MITSUO
IPC: B62D137/00
Filed: 1992-09-17
Abstract: PURPOSE:To steer rear wheels by a mechanical operating means such as an electric motor and carry out fail-safe treatment without applying a large load to the mechanical operating means. CONSTITUTION:When an anomaly is generated in a main control circuit 25 or a main motor 23 is put inoperative by disconnection, an auxiliary control circuit 26 operates an auxiliary steering unit 100, and rear wheels are returned to the vicinity of a neutral position.
Patent JP-H08109752-A (JP)
Title: Prefabricated building of arch structure
Inventor: KOBAYASHI TOSHIYUKI
IPC: E04D13/03
Filed: 1994-10-13
Abstract: PURPOSE: To drain dew water, to easily install an extruded moulded material on a steel frame and to adjust an installating position of the extruded moulded material. CONSTITUTION: Two outward protruded walls in parallel extending in the lengthy direction respectively are provided on outside surfaces of each of arch steel frames (1) and each of rectilinear steel frames (2),(6). Two parallel inward protruded walls are provided on an inside surface of each of extruded moulded materials (4), (5), (10), (D). Both of the inward protruded walls of the first extruded moulded material (4) and the second extruded moulded materials (5), (10) are overlapped on outside surfaces of both of the outward protruded walls of the rectilinear steel frames (2), (6). These protruded walls are connected to each other by a fixing means, and gutters (12a), (12b), (12c), (12d) are integrally formed on the outside surfaces of the inward protruded walls.  End parts of the gutters (12b), (12c) of the second extruded moulded materials (5), (10) are communicated to the gutter (12a) of the first extruded moulded material (4), and an end part of the gutter (12d) of the third extruded moulded material (D) is communicated to the gutter (12b) of the second extruded moulded material (5).
Patent JP-2001074578-A (JP)
Title: Temperature characteristic regulating method for differential pressure measuring device
Inventor: TANITSU TAKAHIRO
IPC: G01L13/00
Filed: 1999-09-02
Abstract: PROBLEM TO BE SOLVED: To provide a temperature characteristic regulating method for a differential pressure measuring device of a remote seal type with excellent productivity. SOLUTION: A static pressure characteristic of a zero-point output in the differential pressure measuring device main body is measured (process 1), then a diaphragm unit is attached to the main body to assemble a remote seal-type differential pressure measuring device (process 2), a static pressure characteristic of the zero-point output therein is measured (process 3), the former measured value is subtracted from the latter measured value to calculate the static pressure characteristic of the zero-point output only in the diaphragm unit (process 4), the resulting value is multiplied by a thermal expansion coefficient value of a seal liquid inside the diaphragm unit and divided by the volume compressibility of the seal liquid, given a negative sign, and the temperature coefficient value of a temperature characteristic of the zero-point output is calculated (process 5).  A temperature characteristic value of the zero point output in the diaphragm unit is calculated, using the temperature coefficient value to be added to a temperature characteristic value of the zero-point output in the main body, so as to be determined as the temperature characteristic value of the zero-point output in the remote seal-type differential pressure measuring device (process 6).
Patent JP-H0992915-A (JP)
Title: Semiconductor laser driver
Inventor: NUMATA TOMIYUKI
IPC: H01S5/042
Filed: 1995-09-26
Abstract: PROBLEM TO BE SOLVED: To make a large current circuit of wide band unnecessary and realize cost reduction, by driving a semiconductor laser by using a driving current of the sum of a first driving current and a second driving current. SOLUTION: A semiconductor laser driver 1 is provided with a first control loop of a comparator 3 and a current source 6 and a second control loop of an amplifier 5 and a current source 7. A semiconductor laser 1 is driven by a current of the sum of a semiconductor laser driving current I1 and a semiconductor driving current I2 . Hence the frequency characteristic of the whole control loop which controls the semiconductor laser 1 becomes summed characteristics of the gains of frequency characteristics of the first and the second control loops. The first control loop controls power change in low frequency. The second control loop restrains return light noise of the semiconductor laser. Hence laser power is controlled by a control loop of high frequency band small current driving and a control loop of low frequency band large current driving.
Patent JP-H03219807-A (JP)
Title: Plant culture equipment
Inventor: FURUKUBO HARUO
IPC: A01G7/00
Filed: 1990-09-17
Abstract: PURPOSE:To provide the title equipment intended to reduce the initial cost, electric power cost necessary for its air conditioning, etc., so designed that the irradiation area onto a culture panel per high voltage metallic vapor discharge lamp is specified and the distance between the light center of each of said lamps and the upper surface of the culture panel is also specified. CONSTITUTION:The ceiling of a culture equipment 1 is fitted with high voltage metallic vapor discharge lamps 2 consisting of high voltage sodium-vapor lamps through a lighting fixture 3, while a culture panel 4 made of expanded polystyrene is installed on the bottom surface and planted with vegetables 5 such as lettuce. Under the bottom, a nutriculture solution necessary for plant growth is circulated through a culture bed 6. Water is flowing between the outer bulb of each lamp 2 and the corresponding cooling cylinder 7. The irradiation area onto the culture panel 4 per lamp should be 1-3m<2> and the distance between the light center of each of said lamps 2 and the upper surface of the culture panel 4<1m. Thereby, the electric power cost for air conditioning and the initial cost of the equipment relative to plant culture capacity will be reduced.
Patent JP-H11153882-A (JP)
Title: Magnetic toner and image forming method
Inventor: TANIGAWA HIROHIDE
IPC: G03G5/08
Filed: 1998-09-02
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic toner excellent in developing property and durability. SOLUTION: This magnetic toner consists of magnetic toner particles containing at least a binder resin and a magnetic material. The magnetic material consists of a magnetic iron oxide containing an element α by 0.10 to 4.00 wt.% which belong to the third or a succeeding cycle in the long cycle periodic table and which has 1.0 to 2.5 electronegativity. The solubility S1 of the element αwith the dissolving rate of the iron element of 0 to 20% in the magnetic material is between >=10% and <44%. The the solubility S2 of the element αwith the dissolving rate of the iron element of 80 to 100% is between >=5% and <30%.  The magnetic material contains (i) polynuclear magnetic iron oxide particles by >=60% in particle number or (ii) the total >=60% in particle number of polynuclear iron oxide particles and one or more kinds of magnetic oxide particles selected from polyhedral magnetic iron oxide particles having a hexahedral shape with faces for the ridge parts and polyhedral magnetic iron particles having an octahedral shape with faces for the ridge parts.
Patent JP-H03111480-A (JP)
Title: Near-infrared absorptive material
Inventor: SAIKI MUTSUHIKO
IPC: C09D5/00
Filed: 1989-09-25
Abstract: PURPOSE:To obtain the title material suitably used for a heat ray shielding film in agriculture, a near-infrared filter, a printer for preventing forgery, a paint for camouflage, etc., by mixing an axially coordinated iron phthalocyanine compound as a near-infrared absorbent. CONSTITUTION:The title material contains an axially coordinated iron phthalocyanine compound of formula Fe(Cl)Pc (wherein Pc is a phthalocyanine residue; 3.0-5.9wt.%, preferably 4.5-5.9wt.%, chlorine is contained in the molecule). This compound is represented by formula I wherein the theoretical value of the chlorine content is 5.9wt.%, and part of the chlorine atoms may be replaced by hydroxyl groups.
Patent JP-S63103491-A (JP)
Title: Tape recorder
Inventor: TADANO SHUNJI
IPC: G11B33/02
Filed: 1986-10-20
Abstract: PURPOSE:To reduce the break of an operational rod and to improve abrasion resistance by tilting a base for a rod type mechanism by an angle between the tilting angle of a forward cabinet and an angle made by the cabinet and a perpendicular direction and fitting the base in the cabinet. CONSTITUTION:In the rod type mechanism the base 8 is tightened and fitted to a boss 10, which is protrudingly provided, with a screw 9 so that the substrate 8 tilts by the inbetween of the tilting angle of the forward cabinet 1 and the angle made by the cabinet and the perpendicular direction. An operational button 4 in the mechanism 2 is operated in the perpendicular direction (arrow A), and the operational rod 7 slides in parallel with the substrate 8 (arrow B). Thus the difference of angles in both directions is minimal, and the operational rod 7 hardly break the mechanism, thereby meeting wear resistance.
Patent JP-S63102333-A (JP)
Title: Maintenance interval judgment of semiconductor manufacturing equipment
Inventor: KAJIKAWA NOBUHIRO
IPC: H01L21/31
Filed: 1986-10-20
Abstract: PURPOSE:To form a pertinent judgment about a maintenance interval by a method wherein one or multiple electric signals proportional to the reaction intensity of processing reaction are processed to be multiplied by reaction time of said reaction so that any multiplied value may be compared with a previously set up multiplied value. CONSTITUTION:Any reaction intensity previously calculated by actual measurement e.g. the consumption of a target is calculated at a reaction intensity calculating part 1b corresponding to the data inputted to an input part 1a to output electric signals proportional to the calculated values. Then, the electric signals proportional to the reaction intensity outputted from the reaction intensity calculating part 1b are multiplied by reaction times at a multiplying part 1c to be compared with the set up multiplied value in need of target replacement previously calculated by actual measurement, etc., at a comparator 1d so that a signal requiring the maintenance may be outputted if the multiplied value exceeds the set up value. Through these procedures, the maintenance interval of replacement, etc., of consumables such as terget can be judged pertinently.
Patent JP-H1077518-A (JP)
Title: Safety helmet
Inventor: NAKAYAMA BUNJI
IPC: A42B3/12
Filed: 1996-08-30
Abstract: PROBLEM TO BE SOLVED: To obtain a safety helmet capable of preventing a head from a damage caused by mounting parts and useful in a factory, a working place, etc., by fixing a buffering member for moderating an impact applied to a head part, along the internal surface of a cap part between the mounting parts. SOLUTION: This safety helmet is equipped with a cap part 11 for covering a head part, and a wearing body 15 for holding the cap part to the head part, and is obtained by installing a head band 16 constituting a part of the wearing body 15 to plural mounting parts 19 extending to an internal direction of the cap body 11, and fixing a buffering member 20 for moderating an impact applied to the head part through the mounting parts 19 along the internal surface of the cap part 11 between the mounting parts 19. Further, it is preferable to form the buffering member 20 by using a same material with the mounting parts 19, and make the buffering member 20 as an elastic material and having ventilating holes.
Patent JP-H0296115-A (JP)
Title: Phase compensation plate
Inventor: HAMAGUCHI SHIGEKI
IPC: G02F1/133
Filed: 1988-10-01
Abstract: PURPOSE:To return intricate elliptically polarized light to complete linearly polarized light by laminating many thin inorg. films which are diagonally deposited by evaporation at every specified angle shifted in the intra-surface bearing of the substrate in the vapor deposition direction of the substrate by as much as the angle equal to the twist angle of a supertwisted nematic type liquid crystal element. CONSTITUTION:This phase compensation plate is formed by laminating the many thin inorg. films 8 which are diagonally deposited by evaporation at every specified angle shifted in the intra-surface bearing of the substrate in the vapor deposition direction of the substrate 2b by as much as the angle equal to the twist angle of the liquid crystal cell. Optical rotatory power can, therefore, be imparted in addition to double refractiveness to the compensation plate so that the plate has the optical properties equiv. to the optical properties of the supertwisted nematic (STN) type liquid crystal panel. The complete linearly polarized light is obtd. in this way from the transmitted light of the STN type liquid crystal panel. The complete phase compensation is thus possible and the coloration is entirely eliminated.
Patent JP-S62110705-A (JP)
Title: Method for sterilizing reverse osmosis equipment
Inventor: NAKAGAWA YUKIO
IPC: B01D65/02
Filed: 1985-11-08
Abstract: PURPOSE:To sterilize a solution to be treated contg. H2S preventing a formation of H2S coming from a bacteria generated in said solution to be treated by using a quarternary ammonium salt as a fungicide in a seperation of the solution to be treated with is a deoxidation state by means of a reverse osmosis membrane. CONSTITUTION:The quarternary ammonium salt such as benzalkonium chloride, etc., is added to the solution to be treated continuously or intermittently in the separation of the solution to be treated which is in the deoxidation state and contains <=about 2ppm dissolved oxygen concentration, such as an underground brackish water, and the solution to be treated which removes a dissolved oxygen, etc., by means of the reverse osmosis apparatus. The quarternary ammonium salt is a nonoxidative, and as said salt does not produce a precipitate by reacting to H2S, said salt may add to the solution to be treated contg. H2S, and has the sterilization against the bacteria capable of producing H2S with a very small amount.
Patent JP-H06105510-A (JP)
Title: Capacitor induction motor
Inventor: NARITA KENJI
IPC: H02K17/08
Filed: 1992-09-18
Abstract: PURPOSE:To reduce the length of a stator winding to be coiled so as to be as short as possible, and to reduce the size of a capacitor induction motor in the direction of the axis by suppressing a coil end sticking out from the winding in a stator core that is made by forming a tooth iron core and an iron core yoke separately. CONSTITUTION:Patterns of tooth sections of a tooth iron core 2 are set to two types of patterns: namely; an S-shaped pattern and a reversed S-shaped pattern. A tooth section in the S-shaped pattern and a tooth section in the reversed S-shaped pattern are circumferentially arranged in that order. The internal peripheral edges of the tooth sections are connected together by a bridging part 1 having a predetermined width, thereby creating a slot 12. An inner coil 7 is coiled in an inner groove of the S-shaped tooth section and the reversed S-shaped tooth section which are alternately adjacent to each other. An outer coil 8 is coiled in an outer groove of the reversed S-shaped tooth section and the S-shaped tooth section which are alternately adjacent to each other. The inner and outer coils are fitted into an iron core yoke 3, and are coupled together.
Patent JP-H0193608-A (JP)
Title: Fixture for metallic part
Inventor: MORIMOTO YOSHIFUMI
IPC: H05K5/02
Filed: 1987-09-30
Abstract: PURPOSE: To easily assemble and disassemble by outwardly inclining four plate sections forming a square case from a front edge section for an inserting side to a square hole of a base plate, by resiliently contacting to an inner surface of the square hole, and by putting the base plate between a nail provided at a plate section and a stopper. CONSTITUTION: Stoppers 16 are formed cutting and uprighted on four plate sections 12 to 15 forming a square-case-shaped metal article 11, an tapered nails 19 projecting outward are formed cutting and uprighted. Edge section for an inserting side to a base plate are connected to each other at a plate section 21 surrounding square hole 20. Projections 22 and projections 23 bending downward are further provided to each plate sections 12, 13. The four plate sections 12 to 15 are inclined outward from the plate section 21. The four plate sections 12 to 15 are resiliently contacted to the inner surfaces of the base plate thereby, and the base plate is put between the stopper 16 and the nails 19 to make it easy and firmly to be assembled and disassembled.
Patent JP-S60137907-A (JP)
Title: Production of liquid functional unsaturated polymer
Inventor: AONUMA KOUKICHI
IPC: C08F8/30
Filed: 1983-12-26
Abstract: PURPOSE:To reaction of a liquid unsaturated polymer containing alkali or alkaline earth metal with a specific compound give a novel type of the titled polymer which improves, as a dispersing agent, the dispersibility of fine particle dispersion such as a variety of reinforcing agents, fillers or magnetic substances. CONSTITUTION:The objective polymer is obtained by reaction between (A) a liquid unsaturated polymer containing alkali metal and/or alkaline earth metal, (B) a compound having a bond of formula I (M is O, S) such as N,N-dimethylamide, (C) an aromatic compound having groups of formula II (R1, R2 are H, substituent) and containing bonds of formula III or IV in the ring such as malachite green lactone and (D) a compound of formula V (at least one of R3 and R4 is group of formula II; n is integer) such as p-aminobenzalacetone.
Patent JP-H03115531-A (JP)
Title: Production of remelted camshaft
Inventor: YAMAMOTO YOSHIFUMI
IPC: C21D9/30
Filed: 1989-09-27
Abstract: PURPOSE:To remove high residual tensile stress and to improve wear resistance and pitting resistance by subjecting the surface of a cam part to remelting treatment and then applying hollow working to the central part of the cam part. CONSTITUTION:Grinding is applied to the surface of a cam part 20 of a camshaft 1 to remove skin. An alloy powder sheet 2 is allowed to adhere and fixed to the surface of the cam part 20 by means of an acrylic adhesive tape, etc. Dewaxing treatment is performed in an atmosphere of nitrogen gas, etc., to remove resin. Subsequently, the cam part 20 is subjected to high alloying melting treatment by means, e.g., of heat from an electrode 4 at the tip of a TIG torch 3, by which a wear resistant alloy chilled layer 12 is formed. Successively, hollow working is applied to the central part of the cam part 20 by using a gun drill, etc., by which a hole 5 is provided. Then, grinding work is carried out to form the surface of the chilled layer 12 into a smooth surface 12a. By this method, residual tensile stress established at the time of the remelting treatment for the cam part 2 surface can be relieved by means of residual stress generated in the pierced part formed by the above hollow working and can be removed.
Patent JP-H04127596-A (JP)
Title: Manufacture of high frequency wiring board
Inventor: TAKAHASHI YOSHIRO
IPC: H05K3/00
Filed: 1990-09-19
Abstract: PURPOSE:To enhance a high frequency wiring board in propagation speed of high frequency signal by a method wherein a conductor base film is formed through a vacuum film forming method on a dielectric base film whose surface is treated, the conductor base film is formed into a wiring base pattern, an intermediate dielectric film is formed on a wiring base pattern side, and then the intermediate dielectric film is subjected to a surface treatment. CONSTITUTION:A dielectric base film 12 is formed on a substrate 11. Thereafter, the surface of the dielectric base film 12 is treated to be improved in adhesion to a conductor base film. A film of chrome or titanium excellent in adhesion to the dielectric base film 12 is formed on the dielectric base film 12, and then a conductor base film 13 is deposited thereon. The conductor base film 13 is etched using a resist pattern 14 as a mask. Then, a wiring base pattern 15 is formed. Thereafter, an intermediate dielectric film 16 is formed on all the surface where the wiring base pattern 15 is provided. The intermediate dielectric film 16 is subjected to a surface treatment through the same method with the dielectric base film 12.