baber/WOPTO huggingface dataset:
Patent JP-H10221301-A (JP)
Title: Portable gas instrument
Inventor: TAWARA OSAMU
IPC: G01N27/416
Filed: 1997-01-31
Abstract: PROBLEM TO BE SOLVED: To implement a portable gas instrument on which maintenance work is easily performed by detachably installing the lid of a case and maintenance parts as well to a case main body by fitting and engaging instead of fastening with screws and enabling smooth parts exchanges without the use of tools. SOLUTION: A lower case 6 is detachably combined to an inner case 2 forming a case main body only by engagement between fastening members. A manifold 12 is fixed to the inner case 2, and gas sensors 28a and 28b are fitted and detachably installed between the bosses 16a and 16b of the manifold 12 and the recessed part of the inner case 2b. A pump 30 is fitted and detachably installed between the nails 32 and 32 of the inner case 2. A battery 36 is fitted and detachably installed between the nails 38 and 38 of the inner case 2 as well.
Patent JP-H11226174-A (JP)
Title: Game machine
Inventor: MARUI MINORU
IPC: A63F5/04
Filed: 1998-02-16
Abstract: PROBLEM TO BE SOLVED: To diversify a game, to enhance a game property by breaking down a mannerism, and to pleasantly play the game by arranging at least one more pattern change display part besides a first pattern change display part being an object of a combination of patterns. SOLUTION: This game machine has a first variable display part 11 having plural rows of pattern rows capable of changing a pattern displayed on a display window 1 to allot a share according to a combination of patterns on effective lines L1 to L5 when changing patterns of the plural rows are respectively stopped. In this case, a second variable display part 12 having a pattern row capable of changing a pattern is also provided separately from the first variable display part 11, and a means is arranged to start a change in the pattern of the first variable display part 11 when a stopped pattern of the second variable display part 12 is a hit.
Patent JP-S57148111-A (JP)
Title: Gun type burner
Inventor: TAKAHASHI TAKESHI
IPC: F23D11/40
Filed: 1981-03-06
Abstract: PURPOSE:To prevent turbulent flame from generating and reduce combustion noise of  the burner by a method wherein a conical flame stabilizer with small holes and a  flame stabilizing ring equipped in such a manner as to cover the primary straightening vane arranged on the outer periphery of a fuel injection nozzle, which is provided in an air blast tube. CONSTITUTION:Fuel oil is jetted from a nozzle 6 and ignited with an ignition rod 7. At the same time, a part of combustion air, which is flowed with the rota tion of a fan 2  into a draft passage formed between a fan case 3 and a burner base 1, is straightened  by the primary straightening vane 9 and, after that, supplied in the flame stabilizer 8  toward the direction of the extension of the center axis line of the nozzle 6. The remaining part of said combustion air is straightened by the secondary straightening  vane 12 provided between the blast tube 5 and the flame stabilizer 8 and uniformly supplied to the small holes 10. As a result, because said fuel oil is uniformly mixed  with sais combustion air, which is supplied from the primary straightening vane 9 and  supplied from the small holes 10 toward the direction at nearly right angles to the  extension of the center axis line of the nozzle 6 and as well as short flame 18 is formed at a negative pressure part 17 produced between the small holes 10 and the  flame stabilizing ring 11, the continuation of bombustion is obtained.
Patent JP-S54126283-A (JP)
Title: Metal foil laminate for tension member
Inventor: ISHIHARA HIROSHI
IPC: B32B15/08
Filed: 1978-03-24
Abstract: PURPOSE:To prepare the title laminate having excellent mechanical strength and adhesivity, and useful as a shielding layer of an optical fiber communication cable, by laminating an alternating copolymer of ethylene and a polar monomer to the surface of a metal foil interposing a reinforcing material therebetween. CONSTITUTION:A film or sheet of an alternating copolymer of ethylene and one or more polar monomers (pref. ethylene-vinyl acetate copolymer) is subjected to the  corona discharge treatment in option, placed on a metal foil 1 heated at 180- 200 deg.C, and pressed to obtain a laminate. A silane-treated glass cloth, etc. is placed  on the laminate as a reinforcing sheet 3, and an alternating copolymer film 2 is  placed thereon. The stack is hot-pressed to obtain the objective laminate.
Patent JP-H04275968-A (JP)
Title: Porcelain composition
Inventor: TANAKA AKIRA
IPC: C04B35/00
Filed: 1991-02-27
Abstract: PURPOSE:To offer a porcelain compsn. having small temp. dependency of the relative dielectric constant at temp. close to room temp. CONSTITUTION:The porcelain compsn. is represented by a general formula Pb(Zn1/3Nb2/3)O3-ABO3 [where A is La and B is Ti, (Zn2/3Nb1/3, (Mg2/3-Nb1/3), (Co2/3Nb1/3), (Ni2/3Nb1/3), (Mg1/2Ti1/2), (Ni1/2Ti1/2), (Co2/3Sb1/3) or (Mg1/2Ge1/2)] and is useful as the material of an electrostrictive or piezoelectric member for an actuator or the material of an electrostrictive or piezoelectric element.
Patent JP-H04272237-A (JP)
Title: Composite carbon fiber
Inventor: OBARA YASUHIRO
IPC: C01B31/36
Filed: 1991-02-27
Abstract: PURPOSE:To provide the title fiber modified in its surface layer, capable of improving the mechanical properties of the composite materials reinforced therewith. CONSTITUTION:The objective carbon fiber with part or the whole of carbon fiber converted into silicon carbide, characterized by the crystal structure of said silicon carbide consisting mainly of 2H or 3C polytype or a mixture of said polytypes.
Patent JP-S61193436-A (JP)
Title: Manufacture of semiconductor device
Inventor: YAMAMOTO YUICHI
IPC: H01L21/225
Filed: 1985-02-21
Abstract: PURPOSE:To produce a semiconductor with high reliability and improved characteristics by means of forming a diffused layer with excellent precision and even thickness by a method wherein a semiconductor substrate is processed by the four processes as follows i.e. 1) the process of patterning an oxide film by photoetching process 2) the process of selectively and epitaxially growing a semiconductor with the same thickness as that of the overall surface with coat diffusion cource by spin coating process and 4) the process of evenly diffusing impurity into the semiconductor substrate by means of heat treatment. CONSTITUTION:A silicon oxide film 2 is formed on a P-type substrate 1 with specific resistance around 1OMEGA10cm and then the silicon oxide film 2 on the region to be inpurity-difuused is removed. Next a silicon layer 3 with the same thickness as that of silicon oxide film 2 is selectivelly grown on the exposed impurity diffused region. Later when the silicon oxide film2 is coated with a coat diffusion source 4 by means of spin coating process, any part on eiher diffused region or non-diffused region maybe coated with the coat diffusion region or non-diffused region may be coated with the coat diffusion source 4 with even film thickness. Through these procedures, the depth of a diffused layer 5 may be made even by means of heat treatment.
Patent JP-H01207627-A (JP)
Title: Position detector
Inventor: ONODERA HIDEAKI
IPC: G01D5/36
Filed: 1988-02-16
Abstract: PURPOSE:To easily confirm the position of an origin signal with a signal indicating the periphery of an origin by processing the output of a photodetecting device which is obtained through a slit for origin detection into the origin signal and the signal indicating the periphery of the origin. CONSTITUTION:The quantity of photodetection of the photodetecting device 2 varies with the relative position between the origin detecting slits 6 of a rotary disk 3 and a fixed disk 4. Then, >=2 origin detecting slits 6 are provided on the same track and arranged (2P, 6P...) irregularly to the pitch P of position detecting slits 7, so that slits of the rotary disk 3 and fixed disk 4 meet each other only once in each turn. Therefore, an electronic circuit 5 which shapes the waveform of the output of the photodetecting device 2 obtained through the origin detecting slits 6 outputs two signals, i.e. the origin signal and the signal indicating the periphery of the origin.
Patent JP-S60198053-A (JP)
Title: Manufacture of positive electrode for nonaqueous electrolyte battery
Inventor: ASAMI YOSHIAKI
IPC: H01M4/06
Filed: 1984-02-23
Abstract: PURPOSE:To enable a positive mixture paste to be more efficiently applied to a core member so as to reduce the production rate of defective positive electrodes by preparing the positive mixture paste by adding polyacrylic acid to a paste composed of a positive active material, a conductive material and a polytetrafluoroethylene dispersion used as a binder. CONSTITUTION:A mixture of a positive active material and a conductive material is kneaded with a polytetrafluoroethylene dispersion used as a binder. Next, polyacrylic acid is added before kneading the mixture. The thus prepared positive mixture paste is then applied to a core material such as a stainless steel net before performing drying, thereby making a positive electrode for a nonaqueous electrolyte battery. By the means mentioned above, the production rate of defective positive electrodes can be reduced and the discharge characteristic of the battery can be improved.
Patent JP-S53118985-A (JP)
Title: Semiconductor device
Inventor: SAKAI TETSUSHI
IPC: H01L27/082
Filed: 1977-03-28
Abstract: PURPOSE:To establish I<2>L of high performance, by providing a compensating layer external the base layer from the p type polycrstal silicon commonly used for the base terminal and by placing an invertor inside and injector at outside.
Patent JP-H02212456-A (JP)
Title: Separation of dimethyl carbonate
Inventor: KOGA KUNIO
IPC: C07C69/96
Filed: 1989-02-13
Abstract: PURPOSE:To separate methanol and dimethyl carbonate from a mixture solution of methanol and dimethyl carbonate without applying a high-energy load by using two distillation columns. CONSTITUTION:Two distillation columns are used in combination and a mixture solution containing methanol and dimethyl carbonate is distilled while making the pressure of the first column higher than that of the second column and controlling the pressure of the first column to >=2atm as a standard to obtain pure methanol from the bottom and separate methanol and dimethyl carbonate in a high yield. As dimethyl carbonate accompanying unreacted methanol recycled to a reaction system is removed, yield and selectivity of the reaction are improved. The subject method also can be utilized for separation of methanol and dimethyl carbonate from a mixture thereof obtained by various ester interchange reactions using dimethyl carbonate as a raw material.
Patent JP-H08225997-A (JP)
Title: Electrode for electroplating
Inventor: SHIRAI HIDENOBU
IPC: C25D21/14
Filed: 1995-02-22
Abstract: PURPOSE: To reduce a cost of a starting material at the time of producing an electroplated copper plate, etc., by using an electrode for electroplating composed of a lower layer consisting of an insoluble anode and an upper layer consisting of a soluble anode. CONSTITUTION: In the electrode 2 for electroplating composed of the insoluble anode 5 as the lower layer and the soluble anode 4 as the upper layer, for example, Pb is used as the lower layer and Zn is used as the upper layer as to the electrode 2 for Zn based electroplating. By using this electrode 2, the upper layer is electrolyzed by 100% in an electrolytic bath as an ion source of the plating bath and the insoluble lower layer 5 is taken out and replenished newly with a plating metal of the upper layer and used repeatedly without danger of breaking it at the time of taking it out.
Patent JP-S63202013-A (JP)
Title: Manufacture of compact coil
Inventor: TAKASAGO KATSUNORI
IPC: H01F41/10
Filed: 1987-02-18
Abstract: PURPOSE:To prevent bending, breaking, damage and the like of lead terminal pieces and to implement automation, by directly holding a compact coil element with the lead terminal pieces, which are to become an external lead-out terminals. CONSTITUTION:A main frame 31 is provided in a strip shape in a lead terminal frame 3 made of a conductive metal plate. The frame 3 also has a group of lead terminal pieces 32 having a specified length. Each lead terminal piece 32 has a comb shaped holding part 34 at the tip. The lead terminal pieces are arranged in the longitudinal direction of the main frame 31 at a specified interval. A winding is applied on a rectangular core 11 made of a high permeability magnetic material. At one end part of the core 11, a part to be held 12, which is held with the holding parts 34 of the lead terminal pieces 32, is provided. A conductor pattern 13 is formed at the part 12. Thus a compact coil element 1 is formed. In the compact coil element, the ends of the winding are wired on the conductor pattern and connected to the holding parts of the lead terminal pieces by soldering. Then the element is protected with a protective film 4 comprising an electric insulating resin or wax having low residual stress/ strain characteristics. Then an outer package 5 is further applied with electric insulating resin and the like. Thereafter, the element are cut out of the main frame, with the required length of the lead being made to remain.
Patent JP-S53119010-A (JP)
Title: Driving unit for tape recorder
Inventor: MATSUMOTO ISAO
IPC: G11B15/32
Filed: 1977-03-26
Abstract: PURPOSE: To secure a unit formation for the driving system of the cassette-type tape recorder, by storing hermetically the driving system into a housing. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H10228027-A (JP)
Title: Liquid crystal display device
Inventor: FUKUYOSHI KENZO
IPC: G02F1/1343
Filed: 1997-02-18
Abstract: PROBLEM TO BE SOLVED: To obtain the liquid crystal display device which has visibility even in a dark place by forming an ITO film of an electrode film of an observer-side electrode plate and constituting an electrode film of a back electrode plate by sandwiching a silver allow thin film with specific thickness between transparent oxide films. SOLUTION: The observer-side electrode plate 2 and back electrode plate 3 are arranged opposite each other, and a liquid crystal material 40 is charged between both the electrode plates. The observer-side electrode plate 2 consists of a reflection preventive film 83 which is arranged on the observer-side top surface of a transparent substrate 70, a scatter film 60 arranged on the other surface, and an ITO film 50 which is arranged as an electrode on the scatter film 60 and drives liquid crystal and an oriented film. Further, the back electrode plate 3 consists of a light-reflective and light-transmissive electrode film 30 of three-layered constitution, which is arranged as an electrode on the observer-side surface of the back transparent substrate 20 and has a silver alloy thin film of 12 to 70nm in film thickness for driving the liquid crystal sandwiched between a lower transparent oxide thin film and an upper transparent oxide thin film, and an oriented film.
Patent JP-H01208479-A (JP)
Title: Method for coating metal by laser irradiation
Inventor: KAWACHI HIROSUKE
IPC: C23C26/00
Filed: 1988-02-16
Abstract: PURPOSE:To form a coated metallic layer without forming alloy with metallic stock by allowing the surface of the metallic stock to be applied with the mixture of powder of coating metal and a specified binder and thereafter to be irradiated with laser in the case of forming the coated film of the other metal on the metallic stock. CONSTITUTION:In the ease of allowing the surface of metallic stock 1 such as carbon steel to be coated with Al, Cr and Ti being active metal, powder 2 of Al, Cr and Ti utilized for coating metal is mixed with a binder 3 by using heat resistant coating which is evaporated at m.p. of the coating metal but is not evaporated and peeled even when the adjacent part is heated and the surface of metallic stock (base material) 1 is applied with this mixture and then irradiated with laser 5 in the atmosphere (but in the inert gas atmosphere in the case of allowing it to be coated with active metal such as Ti). The binder 3 is evaporated and the particles 2 of coating metal are melted and an alloy layer is formed only in the boundary part of the metallic stock 1 but a coated layer 4 consisting of metal itself such as Al, Cr and Ti can be easily formed in the other part.
Patent JP-H03238905-A (JP)
Title: Oscillation circuit
Inventor: HAYASHI NORIO
IPC: H04N5/44
Filed: 1990-02-16
Abstract: PURPOSE:To suppress a high frequency component while making the oscillation stable by providing a resonator between an input and an output of an amplifier circuit having a gain variable function and providing a gain control circuit so that the oscillation output signal of the amplifier circuit is made constant through the reception of an output signal of the amplifier circuit. CONSTITUTION:A surface acoustic wave oscillator SAW.R is provided between a base and a collector of a transistor(TR) Q1 being an input and an output of a differential amplifier circuit and the oscillation circuit is constituted. That is, the phase of the output signal is shifted by applying the output signal obtained from the collector of the differential TR Q1 to the surface acoustic wave element SAW.R and the signal is fed back to the base positively to cause the oscillation. A gain control circuit AGC fetches only an AC component through a capacitor C1 for coupling from the collector output signal of the TR Q1, compares it with a reference level and generates a control voltage coincident with the level to control a TR Q3. Thus, the production of the high frequency component of the output signal is suppressed while making the oscillation stable.
Patent JP-H04272730-A (JP)
Title: Floor nozzle of vacuum cleaner
Inventor: YOSHIDA RIYOUHEI
IPC: A47L9/06
Filed: 1991-02-28
Abstract: PURPOSE:To offer the floor nozzle of a vacuum cleaner of high efficiency, by which air sucked in right under a suction port does not collide with each other. CONSTITUTION:By forming a shape of a suction port 1 of a bottom part 1A of the floor nozzle to a roughly circular shape, and providing such a rib 2 of a circular arc shape as comes into contact with its suction port 1 like a vortex in the periphery of its suction port 1, air flows like an eddy current running along the rib 2, and becomes like a tornado and is sucked into the suction port 1.
Patent JP-S59158525-A (JP)
Title: Method for forming aluminum alloy film pattern
Inventor: ITAKURA HIDEAKI
IPC: H01L21/3065
Filed: 1983-02-28
Abstract: PURPOSE:To prevent the generation of pattern defects after the material to be processed has been picked out into the atmospheric air by a method wherein, after a plasma etching process has been performed using chlorine gas, a process wherein chlorine remaining on the surface of the material to be processed will be removed is performed. CONSTITUTION:A mask pattern is formed on an aluminum silicon alloy film using photosensitive resin, it is used as the material to be processed, and placed on the electrode in the lower part of a plasma etching vessel having a paralleled flat plate electrode. After the etching vessel has been brought into one atmospheric pressure or below, CCl4 gas and He gas are introduced therein, gas plasma is generated by applying a high frequency voltage while the desired gas pressure is being maintained using an exhaust mechanism, and the alloy film on the part which is not covered by the mask pattern is removed. Subsequently, hydrogen gas is introduced into the etching vessel, and gas plasma is generated by applying high frequency voltage again while the prescribed gas pressure is being maintained by the exhausting mechanism.
Patent JP-S54127224-A (JP)
Title: Check circuit system for "kana" character voiced-sound and "p"-sound diacritics
Inventor: UEDA HIDEAKI
IPC: G06F3/02
Filed: 1978-03-27
Abstract: PURPOSE: To simplify error-read discrimination by enabling a relatively-simple circuit to check whether or not the arrangement of characters with voiced-sound and "p"-sound diacritics is correct.  
     CONSTITUTION: Once it is detected that the output of character recognition circuit 1 is a character code other than voiced-sound and "p"-sound diacritics of "kana" characters Japanese syllabary, the character code is set to both final-output code storage resister 5 and output register 6. When it is detected that it is a voiced-sound diacritic character code, a leading character code stored previously in register 5 is checked and a voiced-sound diacritic character code is generated, corresponding to what character code for the "k", "s", "t" and "h" series the leading character code is, and then set in registers 5 and 6. When it is detected that it is a "p"-sound chadracter code, the leading character code in register 5 is checked and a "p"-sound diacritic code is generated with the leading character code, corresponding to whether the leading character code is one for the "h" series or not, and then set into registers 5 and 6. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S52117218-A (JP)
Title: Production of iron ore pellets
Inventor: SHIMOMURA YASUTO
IPC: C22B1/00
Filed: 1976-03-30
Abstract: PURPOSE: To obtain pellets with excellent reduction property at high temperature by mixing fine-powdered coke with raw material in a specific ratio to MgO and specifying the proportion of MgO in the product pellets. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S60178302-A (JP)
Title: Position detector
Inventor: MATSUDA KENICHI
IPC: G01B7/00
Filed: 1984-02-27
Abstract: PURPOSE:To make it possible to perform the position detection equivalent to two-speed synchronizations by one synchronized transmitter, by providing a function, by which lower-digit data is received from a converter for precise synchronization and upper-ditit data is prepared, in a computer. CONSTITUTION:A rotary angle 1 corresponding to the change in position to be controlled is inputted to a synchronized transmitter 5. A three-phase analog signal corresponding to the rotary angle of the rotor of the transmitter 5 is converter into a binary digital signal by a synchronizer/digital converter 7. A binary adder 18 receives the digital output of the converter 7 and outputs a carry-up or carry-down signal. The signal is inputted to an FF circuit 20, and an alternating pulse signal having a cycle corresponding to one rotation of the transmitter 5 is outputted. The pulse signal and the output signal of the converter 7 are inputted to a computer 22. A digital signal in the upper digits, which are continued from the digital signal in the lower digits, is formed. Binary position data is outputted from a latch circuit 12.
Patent JP-2000231583-A (JP)
Title: Method and device for logical synthesis
Inventor: OKUYAMA NAOKI
IPC: G06F17/50
Filed: 1999-02-12
Abstract: PROBLEM TO BE SOLVED: To provide a logical synthesizing method and a device which satisfy the load and delay of a network between logic blocks even if the total of network lengths between the blocks becomes an enormous load such as in a case where connection destination blocks of the network between the logic blocks are in plural numbers and exits in different vectors. SOLUTION: In the logical synthesizing method and a device, an inter-logic block network logic synthesizing part 6 is provided with a relay buffer insertion processing part 8. The part 8 analyzes number information about start and end points of a network between logic blocks from logical synthesis results of the inter-logic block network, estimates a network lengths between the logic blocks from layout information 17, decides the types and interval of buffers to be inserted between the logic blocks from a relay buffer constraint condition file 18 and analyzes the Fanin and Fanout of an inter-block terminal of the logic blocks from the logic synthesis results 19 of the logic blocks and a technology library 14. Then, the relay buffer is automatically inserted into the network between the logic blocks on the basis of these information.