baber/WOPTO huggingface dataset:
Patent JP-H04155148-A (JP)
Title: Hot-water supply apparatus
Inventor: WATANABE TOSHIYA
IPC: F24H1/10
Filed: 1990-10-18
Abstract: PURPOSE:To obtain a hot-water supply apparatus which is always comfortable to use and allows even the aged and children to use safely, by a method wherein the hot-water tempera ture is decided according to the ambient detected by an ambient temperature sensor, and a heater is controlled according to signals from a flow sensor and a hot-water temperature sensor so that water is heated up to the decided temperature. CONSTITUTION:Water is supplied to a heat exchanger 27 through a water supply pipe 28, hot water is supplied to a specified place from the heat exchanger 27 through a hot-water supply pipe 29, and a heater 30 heats the heat exchanger 27. A flow sensor 31 detects the flow rate of water flowing through the water supply pipe 28, and a hot-water temperature sensor 32 detects the hot-water temperature in the hot-water supply pipe 29. An ambient temperature sensor 33 detects the ambient temperature, and a temperature setting device 34 decides a set temperature according to the ambient temperature detected by the ambient temperature sensor 33. A controller 35 controls the heater 30 according to signals from the flow sensor 31 and the hot-water temperature sensor 32 so that water is heated up to the set temperature decided by the temperature setting device 34. Since the ambient temperature is detected and the hot-water temperature is decided corresponding to the ambient temperature, hot water which is always comfortable and safe even for the aged and children can be supplied.
Patent JP-H06204460-A (JP)
Title: Gto thyristor
Inventor: ARUMIN UIRUMEROOTO
IPC: H01L29/423
Filed: 1993-10-13
Abstract: PURPOSE: To prevent overloading each emitter by a method wherein the current when a GTO thyristor is turned off is concentrated on the emitter ring positioned outside a ring-formed gate contact part. CONSTITUTION: This GTO thyristor is composed of a circular semiconductor block 1, a number of stop-like emitter regions 8, on which major axes are radiately arranged on the cathode side of the semiconductor block 1 in the form of concentric rings 3 to 6, a base region on the cathode side adjacent to the emitter region, and a ring-like gate contact part 7 which comes in contact with a gate electrode 2 between the two concentric rings. The voltage drop between the outer edge of the outermost side ring 3 and a gate contact part 7 when turned off is increased at least by 20% than the voltage drop between the inner edge of the innermost ring 6 and the gate contact path 7.
Patent JP-2000114299-A (JP)
Title: Semiconductor integrated device and manufacture of the same
Inventor: SASAKI OSAMU
IPC: H01L23/52
Filed: 1998-10-02
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor integrated device wherein the tight-contact strength of a projection electrode is enhanced. SOLUTION: A first-layer wiring metal film 3 and an interlayer oxide film 4 are formed on a field oxide film 2, an organic material such as SOG, etc., is applied and then is etched back to flatten the surface of first inter-layer oxide film 4, and a second interlayer oxide film 5 is formed on the first-layer wiring metal film 3 and the first interlayer oxide film 4. A second-layer wiring metal film 6 is formed on the second interlayer oxide film 5, and a surface protective film 7 is formed on the second-layer wiring metal film 6 and the second interlayer oxide film 5. Until the first-layer wiring metal film 3 is exposed, the surface protective film 7 and the second interlayer oxide film 5 are selectively etched into a tapered shape 10, removed, and then a barrier metal 8 is formed at this point, on which a projection electrode 9 is formed.
Patent JP-H11117655-A (JP)
Title: Excavating device for geological survey
Inventor: KAGOTA NORIO
IPC: E21B25/00
Filed: 1997-10-14
Abstract: PROBLEM TO BE SOLVED: To easily conduct an exact geological survey. SOLUTION: This device is provided with a device part 12 rotated and advanced in an excavating direction by being struck with an air hammer 36 inside an excavation pipe 10; a cylindrical bit part 16 which is a rotatably disposed cylindrical body provided with a plurality of excavating bits 14, 14 on its excavation-side ring-shaped end face and provided with the welding part of a notched part 26 and the excavation pipe 10 at its end facing the device part 12, the notched part 26 being freely removably irregularly engaged with a projecting part 24 provided at the device part 12;  and a sampling inner cylinder 20 which is a cylindrical body connected to the device part 12 by a connection 18 and freely removably inserted into the cylindrical bit part 16 in such a manner that an opening in its end is located at a predetermined position inside the cylindrical bit part 16 facing an opening in the excavation-side ring- shaped end face.
Patent JP-H03140443-A (JP)
Title: Method for removing residual strain in lead frame material
Inventor: YAMADA HIROSHI
IPC: C22F1/00
Filed: 1989-10-27
Abstract: PURPOSE:To remove or reduce the strains remaining in a strip material for a lead frame by irradiating the edge part of the strip material with electron beams or laser beams in an inert atmosphere and locally heating the edge part. CONSTITUTION:While a strip material 1 for an IC lead frame is recoiled from a coil 2A to the other coil 2B, a chamber 5 is provided, and the edge part of the strip material 1 is irradiated with electron beams or laser beams in an inert atmosphere 3 and is locally heated to reduce its residual strains. As for the inert atmosphere, in the case of electron beam irradiation, vacuum is limited, but in the case of laser beams, vacuum or the inert gas atmosphere of Ar, He, H2, N2 or the like is regulated. As the light source of laser beams, a CO2 laser or the like is suitably used. In this way, the nondefective yield of the lead frame material is improved to offer convenience in IC manufacture.
Patent JP-H0625318-A (JP)
Title: Method of anionic polymerization of acrylic acid, etc.
Inventor: MANFURETSUDO TEI RIITSU
IPC: C08F20/06
Filed: 1991-08-01
Abstract: PURPOSE: To obtain the captioned polymer having a limited molecular weight distribution at a low cost by anionically polymerizing (metha)acrylic acid derivatives, (metha)acrylonitriles or the like using ammonium salts of resonance stabilized nitrogen anions as polymerization catalists.  
     CONSTITUTION: The intended polymers having a limited molecular weight distribution are obtained by adding an ammonium salt of resonance stabilized nitrogen anion (example: tetrabutylammonium-N-methyl-toluenesulfonamide or the like) shown by formula (R 1  is electron negative group; R 2  is electron negative group, alkyl, aryl, vinyl, trialkylsilyl: R 1  and R 2  form heterocycle; M +  is ammonium ion) or the like as polymerization initiators after it is mixed with (metha) acrylic acid derivatives, their ammonium salts, (metha)acrylonitriles and derivatives of these nitriles (example: n-butyl ester of acrylic acid or the like) in tetrahydrofurane in a flask aerated with nitrogen and argon and anionically polymerizing for 2 hours at 40°C. 
     COPYRIGHT: (C)1994,JPO
Patent JP-H05121625-A (JP)
Title: Semiconductor device
Inventor: NOSE TADASHI
IPC: H01L23/50
Filed: 1991-10-28
Abstract: PURPOSE:To electrically connect a semiconductor pellet to leads neither by the wire bonding step nor the formation of bump electrodes. CONSTITUTION:Within the title semiconductor device, the prospective lead connecting positions 17 aligned on the surface peripheral part extending from a wiring pattern 15 formed on the surface of a semiconductor pellet 4 are electrically and mechanically connected to the leads 2 arranged around the semiconductor pellet 4. Next, an insulating cover 16 covering the wiring pattern 15 is formed on the surface of a semiconductor pellet 4 and then the parts of the cover 16 corresponding to the prospective lead connecting positions 17 are cut off in comblike shape to coat the semiconductor pellet peripheral part outside said positions 17 with an insulating film 14 so that the comblike apertures of the insulating cover 16 may be engaged with the ends of the leads 2 to be thermal pressure-fixed on said positions 17.
Patent JP-S61158950-A (JP)
Title: Production of aromatic amine
Inventor: YASUHARA MITSUTATSU
IPC: C07C209/18
Filed: 1984-12-29
Abstract: PURPOSE:To produce the titled compound useful as agricultural chemicals, etc., in high yield and selectivity, suppressing the production of by-products, by reacting a mixture of an alkyl-phenol and phenol with a nitrogen-containing compound in vapor phase in the presence of an aluminum oxide catalyst. CONSTITUTION:An aromatic amine is produced by reacting a phenolic compound with a nitrogen-containing compound in vapor phase in the presence of an aluminum oxide catalyst. In the above process, a mixture of an alkylphenol (e.g. cresol, ethylphenol, etc.) and phenol is used as the phenolic compound. The nitrogen-containing compound is e.g. ammonia, ammonia-generating compound or a nonaromatic organic amine. The amount of the alkylphenol to phenol in the mixture is about 1-100mol%, preferably about 3-50mol% based on phenol.
Patent JP-H02126750-A (JP)
Title: Data line termination device
Inventor: NISHI KIYOTAKA
IPC: H04L29/10
Filed: 1988-11-07
Abstract: PURPOSE:To secure the communication line even when a digital line and the like are troubled by providing a data line termination part to transmit and receive communication data by using a digital line and a modulating/ demodulating part to transmit and receive the communication data by using an analog line and selecting and switching the connection with a terminal interface part. CONSTITUTION:This device is provide with a modulating/demodulating part 6 to transmit and receive communication data through an analog line, a selecting part 2 to switch the transmission and reception of the communication data of a terminal interface part 1 based on the switching signal inputted to either of a data line termination part or the modulating/demodulating part 6 and a switching control part 4 to give a switching signal to the selecting part 2. By operating with such a constitution, the line of either of the digital line or the analog line is used, communication data can be transmitted and received, and even when the digital line or a digital line termination part 5 is troubled, the communication line can be secured.
Patent JP-H05115371-A (JP)
Title: Electric kettle
Inventor: YOSHIDA YUICHI
IPC: A47J27/21
Filed: 1991-10-28
Abstract: PURPOSE:To provide an electrical kettle which does not necessitate electrodes to detect water volume but can detect the water volume in a vessel by a simple structure. CONSTITUTION:When manipulating an operation switch 11, a motor 10 is driven by the signal to drive a motorized pump 7 and to pour the inside hot water through an outlet opening 9. The water temperature is detected from the signal of a thermal sensor 5 by a thermodetector 12. The signal is inputted into a temp.-rise detector 13 to measure a thermal variation in a unit time (DELTAtheta/DELTAt). The rising degree of temperature of the inside water in the vessel 2 is calculated to output it to an operation means 14 and an electric source voltage detector 15 is provided to detect the electric source voltage (V) supplied to the heater 4. This output is also transmitted to the operation means 14. The operation means 14 computes the water volume and the result is outputted a water volume indicator 16 to show the volume of the vessel 2.
Patent JP-H04153082-A (JP)
Title: Thermal recording material
Inventor: TANAKA GINNOSUKE
IPC: B41M5/333
Filed: 1990-10-18
Abstract: PURPOSE:To provide a stable developed color image of high quality, withstanding long-term preservation by adding a double salt represented by a specific general formula and having a specific range of an m.p. as a developer along with a leuco dye. CONSTITUTION:In a thermal recording material containing a leuco dye and a developer as main components, the developer is a double salt represented by formula I (wherein R<1>, R<4>, R<1>' and R<4>' are respectively independently hydrogen, an alkyl group or an aryl group, R<2>, R<3>, R<2>' and R<3>' are respectively independently hydrogen, a hydroxyl group an alkyl group or an aryl group and A is a nitrogen-containing basic compound) and having an m.p. of 70-250 deg.C. The double salt has a proper m.p. easy to melt by the heating due to a thermal head and no sublimation properties and is low in water solubility and extremely stable against heat or acid and alkali and imparts a stable developed color image withstanding long-term preservation and having no fog and excellent in heat resistance and humidity resistance.
Patent JP-S63136335-A (JP)
Title: Optical information recording and reproducing device
Inventor: SHIBAKUCHI TAKASHI
IPC: G02B6/12
Filed: 1986-11-26
Abstract: PURPOSE:To simplify the constitution of the optical system with small size by forming plural photodetectors comprising two detecting regions on a silicon substrate at the light collecting position of 1st and 2nd converted lights in a monolithic way. CONSTITUTION:A diffused light 51 passes through a beam splitter 55, being converged by a converging grating coupler 53 to become a converged spot 5 of a recording face of a disk 1. The converged spot 5 is reflected in the face of the disk 1, the reflected light is again led to a waveguide path 32 by the converging grating coupler 53 into the waveguide path 32 and waves through the path 32. A returned light in the path 32 is divided into two, a 1st converged light 56 and a 2nd converged light 57 by a waveguide form beam splitter 55 and they are converged and led to two pairs of optical detectors each comprising two detection regions 71, 72, 73, 74 formed in a monolithic way onto a silicon substrate 30. Thus, the constitution is simplified.
Patent JP-H05116031-A (JP)
Title: Electric discharge machining device
Inventor: TSUKAMOTO ATSUKO
IPC: B23H1/02
Filed: 1991-10-28
Abstract: PURPOSE:To enable stable and efficient machining to be carried out even if machining is carried out with a large electrode. CONSTITUTION:An electric discharge machining device is provided with a memory 23 in which a large number of jump speed control patterns have been stored, a device 19 for detecting the position error between the actual movement of an electrode 1 and a movement command, a device 21 for calculating the electrode area from the position error, and a device 24 by which a jump speed control pattern corresponding to the electrode area is selected out of a jump speed control pattern group 23 for setting it in a jump control device 10. In such a constitution, the jump speed control pattern can be changed in accordance with the size of the electrode.
Patent JP-S62140094-A (JP)
Inventor: YAGINUMA YOSHITAKA
IPC: G21C17/06
Filed: 1985-12-14
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-S62141288-A (JP)
Inventor: TANI ICHIRO
IPC: E04H9/16
Filed: 1985-12-17
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-S62141675-A (JP)
Title: Spindle motor
Inventor: KOGA YOSHIRO
IPC: G11B19/20
Filed: 1985-12-16
Abstract: PURPOSE:To obtain a device small in size, thin in thickness and an intelligent circuit in a spindle motor of a magnetic disk device by placing a rotor magnet in the inner peripheral side of a stator coil. CONSTITUTION:A rotor magnet 7 divided into plural poles and magnetized is fixed on the outer peripheral part of a rotor yoke 6 fixed to a shaft 1 and a stator core 8 is installed on the outer peripheral side. The diameter of the rotaton of the rotor yoke 6 becomes as wall as about a half, and interference and contact between the stator coil 9 and rotor yoke 6 do not occur, and accordingly, the mounting space of a circuit substrate is increased, and the circuit can be made intelligent. Further, as the area for heat radiation of the stator coil and stator core is almost doubled, possibility of burning when excess current is applied is eliminated, and reliability is improved.
Patent JP-H0591954-A (JP)
Title: Fixing device for unit bath
Inventor: KATO TOSHIAKI
IPC: A47K3/16
Filed: 1991-10-01
Abstract: PURPOSE:To offer a unit bath fixing device capable of properly positioning and fixing a unit bath. CONSTITUTION:Two bolts 2a and 2b protrude from two corners of the bottom of a unit both to form part of legs, and double nuts 3 and 4 are screwed on the bolts 2a and 2b. Two connectors 10 are arranged at positions on a floor corresponding to those of the two bolts 2a and 2b and have engaging parts 9 which open toward the setting direction of the unit bath, are held above the floor and are able to engage with bolts 2a and 2b, respectively. The unit bath 1 is aligned with the two engagement bodies 10, the two bolts 2a and 2b are engaged with the engaging parts 9 of the engagement body 10 and the double nuts 3 and 4 are tightened, so the unit bath 1 is fixed on the floor. By this constitution, the unit bath 1 is certainly positioned and fixed relatively to a unit body.
Patent JP-S63136363-A (JP)
Title: Magnetic recording device
Inventor: KIMURA KAZUHO
IPC: G11B21/02
Filed: 1986-11-27
Abstract: PURPOSE:To obtain an inexpensive magnetic recorder with high reliability and mass-productivity by adopting the structure such that the offset is made adjustable so as to allow the relevant element dimension accuracy and assembling accuracy. CONSTITUTION:A magnetic head 1 is mounted on a carriage 2 and the carriage 2 is held slidably to a guide shaft 3 whose cross section is circular. Pillar projections 3a, 3b at both ends of the guide shaft 3 are cylinders provided incorporatedly with the guide shaft 3, each shaft center is made nearly coincident and deviated from the shaft center of the guide shaft 3. Bearings 4a-4d are provided to the base 4, the pillar projection 3a is fitted to the bearing 4a, the shaft 3c is to the bearing 4c, the pillar projection 3b is to the bearing 4b and the shaft 3d is pressed and fixed to the bearing 4d by a retainer plate 5 having an elasticity respectively. Thus, the variable range of the guide shaft 3 is set freely by the outer diameter of the guide shaft 3, the outer diameter of the pillar projections 3a, 3b and the eccentricity of the guide shaft 3 and the pillar projections 3a, 3b. Thus, the accuracy of dimension and assembling is all absorbed in relation to the components relating to the offset and the offset is adjusted to a target value.
Patent JP-H07145311-A (JP)
Title: Poly(phenylene ether) resin composition
Inventor: TAKAGI KIYOJI
IPC: C08L71/10
Filed: 1993-11-11
Abstract: PURPOSE:To obtain a resin composition giving a molding excellent in mechanical strength, tensile properties of the melt, and coating adherence by mixing a poly(phenylene ether) with a saturated polyester, specific compounds, and an impact modifier in a given proportion. CONSTITUTION:This composition comprises 100 pts.wt. blend consisting of 10-90 pts.wt. poly(phenylene ether) and 90-10 pts.wt. saturated polyester [e.g. poly(butylene terephthalate)], 0.1-10 pts.wt. phosphorous triester, 0.1-20 pts.wt. phenoxy compound (e.g. a phenoxy resin), and 0-30 pts.wt. impact modifier (e.g. a hydrogenated styrene/butadiene block copolymer). The triester is preferably a compound represented by the formula [wherein (n) is 1 or 2; Ar is a 6-30C (substituted)aryl; R is a 2-10C alkylene or an arylene when n=1, and is a 4-18C alkanetetrayl when n=2; and Ar and R each may contain O, N, S, or a halogen].
Patent JP-H07179759-A (JP)
Title: Mixture with self-lubricating characteristics
Inventor: DEIITAA BUROBERU
IPC: C08K5/521
Filed: 1994-10-24
Abstract: Mixtures having self-lubricating properties in the cured state, containing at least one crosslinkable silicone rubber a), at least one arylphosphoric acid ester b) and at least one further additive c).
Patent JP-H04157837-A (JP)
Title: Key supply system for cipher processing
Inventor: HASEBE TAKAYUKI
IPC: H04L9/10
Filed: 1990-10-20
Abstract: PURPOSE:To apply cipher processing based upon a DES system even to a device whose storage means quantity is limited by providing a an IC card with a key register as a key storage means. CONSTITUTION:A bank center 1 is provided with a encipherment processing part 11, a key generation part 12, a random number generation part 13, and a comparison part 14, but the IC card 2 is provided with the key register 25 instead of the key generation part 23. The random number generation part 13 provided in the bank center 1 generates and inputs a random number R1 to the encipherment processing part 11, and also transfers the random number even to the IC card 2, so that it is inputted to its encipherment part 21. The encipherment processing parts 11 and 21 convert the input random number R1 into enciphered random numbers RC1 and RC2, which are sent to the comparison part 14 provided in the bank center 1 and compared with each other, so that the bank center 1 authenticates the IC card 2 when both the random number are equal to each other.
Patent JP-2001110927-A (JP)
Title: Semiconductor device
Inventor: YOSHIDA TAKAYUKI
IPC: H01L23/12
Filed: 1999-10-04
Abstract: PROBLEM TO BE SOLVED: To solve a problem where a semiconductor element mounted on the conventional semiconductor devices, such as BGA and CSP, is liable to malfunction due to the fact that wiring plates stub resides in the semiconductor device to behave like an open stub at high frequencies and gets short-circuited at certain frequency whose effective wavelength becomes four times as long as the length of the open stub, and when rectangular wave signals which contain many higher harmonics are transmitted through a wiring, a specific frequency component of signals is totally reflected in opposite phase at the stub part, a reflected signal component is superposed on the rectangular wave signals to disturb them, and this disturbance of the rectangular waves induces the semiconductor element to malfunction. SOLUTION: The length of the plates stub 6 of a line formed on a BGA or a CPS is set smaller than 1/4 as long as the wavelength of the upper limit of a required frequency band, by which signals transmitted through a signal line 4 are lease deformed, and a semiconductor element mounted on a BGA or a CPS can be prevented from malfunctioning.
Patent JP-H09130933-A (JP)
Title: Wire laying wheel
Inventor: HAGITANI YASUO
IPC: H02G1/02
Filed: 1995-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a wire laying wheel in which a high frequency noise can be prevented surely from propagating to a telecommunication unit located in the vicinity of wire laying work. SOLUTION: High frequency noise due to spark discharge being generated on a sheave at the time of wire laying work is shielded by means of shields 2, 3. Alternatively, the metal sheave 1 in a wheel body is coated, on the surface of wire passing groove, with a conductive butter material 4 and the shields 2, 3 are provided additionally. The shield 2, 3 comprises a side wall having larger diameter than the sheave 1 and being applied from the outside of supporting frame of the wheel body, and a circumferential wall covering about one half circumference of sheave. The side wall is preferably secured to the supporting frame by means of screws thus covering the sheave 1 while conducting electrically with the wheel body.
Patent JP-H04160171-A (JP)
Title: Rust preventive for bonded magnet powder
Inventor: KANEKO ISAO
IPC: C23F11/00
Filed: 1990-10-23
Abstract: PURPOSE:To produce the rust preventive adequate for improving the corrosion resistance of a bonded magnet by preparing a soln. which consists of polyethylene(PE), etc., contg. a specific ratio of methane sulfonate and is specified in its viscosity. CONSTITUTION:The soln. which contains at least one kind among PE, polypropylene, polystyrene, methyl polyacrylate, and methyl polymethacrylate contg. 0.5 to 5.0vol.% methane sulfonate and has <=1000 centipoises viscosity at 20 deg.C is prepd. The rust preventive treatment of the bonded magnet is executed by an immersion method using this soln., by which the bonded magnet which is excellent in the rust preventiveness and satisfies the magnetic characteristics is obtd.