baber/WOPTO huggingface dataset:
Patent JP-2001290565-A (JP)
Title: Cpu control circuit
Inventor: KITANI KAZUNARI
IPC: G03B17/00
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To prevent a CPU from malfunctioning by resetting the CPU immediately in case of abnormal variation in battery voltage which can not be predicted while the CPU is not reset by mistake in the case of predictable variation in battery voltage. SOLUTION: This circuit has a 1st voltage detecting means 9 which detects the output voltage of a battery 1 as a power source, a voltage converting means 2 which outputs voltage different from the output voltage of the battery, a 2nd voltage detecting means 5 which detects the output voltage of the voltage converting means, a CPU 6 which has a reset terminal, and reset signal output means 10, 11, and 6 which output reset signals while switching a case wherein the reset signals are outputted to the reset terminal according to the output of the 1st or 2nd voltage detecting means and a case wherein the reset signals are outputted to the reset terminal according to only the output of the 2nd voltage detecting means.
Patent JP-2001290334-A (JP)
Title: Multicolor image forming device
Inventor: FUKUNAGA HIDEKI
IPC: G03G15/01
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a multicolor image forming device which is made small in size by reducing the number of necessary optical components. SOLUTION: The multicolor image forming device 9 is provided with laser arrays 1a and 1b which are parallel in a main scanning direction U, an image forming optical system 2 for enlarging and projecting the emitted light pattern emitted from the laser arrays 1a and 1b and forming an image at a prescribed position, deflection mirrors 4a and 4b for dividing the laser beams transmitted through the image forming optical system 2 according to color in the main scanning direction U, and photoreceptors 3a and 3b which are exposed with the deflected laser beam. Laser beams emitted from the laser arrays 1a and 1b are transmitted through the same image forming optical system 2.  The laser arrays 1a and 1b, the image forming optical system 2 and the deflection mirrors 4a and 4b can be arranged on nearly the same plane, and the optical system constituted of the above-mentioned components are accommodated in a thin housing 8, thereby the multicolor image forming device 9 can be miniaturized.
Patent JP-2001287195-A (JP)
Title: Method and device for feeding and cutting strip elastic sheet
Inventor: MORIMOTO SHOJI
IPC: B26D5/30
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a length of a cut strap elastic sheet is not uniform when a difference is generated in feeding speeds of a drawing means and a carrying means, a strip elastic sheet is compressed or extended, and is cut in a set length in this condition because a conventional cutting method of the strip elastic sheet carries the strip elastic sheet by supporting at two points of the drawing means and the carrying means. SOLUTION: The strip elastic sheet 1 is fed by the drawing means 16, and is guided to the carrying means 18 through a cutting means 15. A tip end of the strip elastic sheet 1 is detected by a sensor 17 for detecting a tip end of a sheet. A cutting control means 31 controls drawing speeds of the drawing means 16 and the carrying means 18, and controls timing for moving an idle roll 6 and a separating roll 8 up and down t support the strip elastic sheet 1 at one point and carry. After the drawing means and the carrying means stop, the cutting means operates.
Patent JP-2001286981-A (JP)
Title: Hot runner in metallic mold for injection molding light alloy
Inventor: UCHIDA RYOHEI
IPC: B22D17/22
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a hot runner in a metallic mold for injection molding a light alloy in which the formability and the service life of the metallic mold are improved and also, the deformation of a molded product when the metallic mold is opened, can be prevented. SOLUTION: A fixed type pin 5 which is faced to the tip part 4 of a nozzle for hot runner and has high heat resistance at the position in direct contact with molten metal and larger diameter than the inner diameter (d) of the nozzle, is arranged and an ejector pin 6 is arranged at the position in no direct contact with the molten metal injected from the tip part 4 of the nozzle. In this way, the erosion of the ejector pin 6 and the invasion of the molten metal into the ejector pin 7 can be prevented.
Patent JP-2001286879-A (JP)
Title: Transport mechanism for naturally transporting solid component in waste water and waste water treating system provided with transport mechanism
Inventor: OBATA KAZUTOSHI
IPC: E03F5/14
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a transport mechanism capable of naturally and efficiently transporting a precipitable solid component in the waste water housed in an agitation tank even if the depth of water is shallow. SOLUTION: In the transport mechanism, the precipitable solid component contained in the waste water housed in the first agitation tank (23) is naturally transported to the second agitation tank (21) through a nonagitation tank (22). An upper open part (22a) formed at the height position near water surface between the first agitation tank and the nonagitation tank, a lower open part (22b) formed at the height position substantially lower than the upper open part between the nonagitation tank and the second agitation tank and convection preventing means (22c-22f) for substantially preventing the formation of vertical direction convection at the nonagitation tank while resisting against the influence of the convection generating at the first agitation tank and the second agitation tank are provided.
Patent JP-2001181718-A (JP)
Title: Cooling tube in stave cooler
Inventor: KISHIGAMI KAZUTSUGU
IPC: F27D1/12
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a double-tube structureal cooling tube cast into a stave cooler, obtaining high cooling capacity by strengthening the sticking of a pottery tube and an outer tube and bonding by fusing the base material and the outer tube to make high heat conductivity. SOLUTION: In the cooling tube of a stave cooler used for cooling of furnace wall of a blast furnace, an electric furnace, etc., plural outer tubes 2 are disposed and closely stuck with an interval to the inner tube 1 cast with a cast iron to form the double-tubes, and an annular ceramic board 3 is inserted between the outer tubes. On the outer surface of the outer tube, a recessing part or a projecting part is arranged, and the outer diameter D1 of the inner tube and the inner diameter d2 of the outer tube are made to d2<D1-0.5.
Patent JP-2001291085-A (JP)
Title: Method and system for registering electronic file
Inventor: YOSHIDA NAOTO
IPC: G06T1/00
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To attain registration, change, etc., of an image file in the form of application format on the market such as 'Ichitaro', WORD and HTML. SOLUTION: An image analysis part 1 analyzes the image data including the mixed character and graphic data which are read by a scanner and separates these two read data from each other. A data form conversion/ registration part 2 converts the character data part into an application form that is previously designated on the market, converts the image data part into an application form file on the market that can be referred to and edited via an application on the market and registers the application form file into an electronic file of the registering destination that is previously designated.
Patent JP-2001298107-A (JP)
Title: Life estimation method of bga
Inventor: ZAKO MASARU
IPC: H01L23/12
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a fail occurrence prediction method when BGA is subjected to chill impact, and a reliable life estimation method. SOLUTION: By paying attention that the rupture of an outermost soldering part causes the failure in BGA, a rupture regression line is created based on FEM stress calculation at the site and a chill impact test, and various BGA rupture timing is estimated. In this life estimation method, stress is calculated with the distance from a BGA center to the outermost soldering part and the height of solder as a position factor, and concretely speaking, an analysis is made in five processes.  More specifically, the chill impact test of a BGA mount substrate is executed to obtain a failure probability line (1), the number of chill impact at the desired fail probability is obtained according to the fail probability line (2), the corresponding stress of the BGA outermost soldering part is calculated by FEM (3), the life of the same kind of the BGA is estimated according to the relation figure of the number of chill impact where two different points in distance to the outermost soldering part are connected and the stress (4), and the height of the solder is changed, and the same operation is made to estimate the life of a different kind of BGA (5).
Patent JP-2001296067-A (JP)
Title: Refrigerating system using co2 refrigerant
Inventor: ISHIDA SATOSHI
IPC: F25B1/00
Filed: 2000-04-13
Abstract: PROBLEM TO BE SOLVED: To allow the improvement in efficiency to be compatible with securing of reliability in a refrigerating system using CO2 refrigerant. SOLUTION: A refrigerant circuit comprises a compressor 1, a gas cooler A, a primary expansion mechanism C, a receiver for gas-liquid separation 7, a secondary expansion mechanism D, an evaporator B, a gas injection mechanism E and an inside heat exchanger 8. Thereby, the rise in the discharge temperature of the compressor on the basis of the inside beat exchange is suppressed by the injection of gas refrigerant by the gas injection mechanism E, while the improvement in the efficiency of the inside heat exchange by the inside heat exchanger 8 is contrived.  Moreover, a refrigerating capacity is improved on the basis of the increase in evaporation enthalpy due to introduction of liquid refrigerant after gas-liquid separation into the evaporator B, and the improvement in the refrigerating efficiency is made compatible with securing of the reliabilty of the compressor 1 as these synergistic effects.
Patent JP-2001296065-A (JP)
Title: Solar water heater
Inventor: SHIGEMURA YUKIHIRO
IPC: F24J2/46
Filed: 2000-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a solar water heater suppressing the diffusion of low-temperature water into a hot water storage tank by easing the force of the water spouted into the hot water storage tank from the spout at the tip portion through a conduit and maintaining the temperature of the hot water inside the hot water storage tank high by preventing the low-temperature water from mixing with the hot water inside the hot water storage tank to the utmost. SOLUTION: In a solar water heater, a hot water storage tank 1 circulating hot water between a solar energy collector 2 and the hot water storage tank 1 is arranged in the up side of the solar energy collector, and a conduit 4 guiding the water from a water supply opening to the bottom part of the hot water storage tank is provided in the down side of the water supply opening 30 opened into the hot water storage tank in such a manner that it reaches the vicinity of the lowest part of the bottom from the rear side erected wall 10 of the hot water storage tank.  In the conduit, a water inlet 41 that is expanded more than the cross-sectional area of a water-conveyance part is formed at the upper end part of the water-conveyance part 47, and a cross-sectional expanded part 48 that is expanded more than the cross-sectional area of this water-conveyance part is formed at the tip portion of the water-conveyance part. A spout 49 with the opening area equivalent to or larger than the cross-sectional area of the water-conveyance part is formed in both sides of this cross-sectional expanded part.
Patent JP-2001294541-A (JP)
Title: Method for producing tolane derivative
Inventor: OGAWA SHINJI
IPC: C07C2/86
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To produce a tolane-based compound whose production has been difficult or complicated by highly inexpensive acetylene. SOLUTION: A method for producing the substituted or non-substituted tolane derivative through a process for reacting a benzene derivative having a releasing group such as a halogen group or a sulfonate group with acetylene in the presence of a transition metal catalyst. Since the reaction process and the purification process can be shortened without a special reactor, the tolane derivative having a good quality can be produced at a low cost. The production method is thereby highly practical as a method for producing tolane skeleton-having chemicals including liquid crystal raw materials.
Patent JP-2001296393-A (JP)
Title: Imaging apparatus
Inventor: SHIYOUJI TAKASHI
IPC: G01T1/24
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To avoid bending on capacitance recording medium in an imaging apparatus provided with an image detector constituted by forming capacitance recording medium on a thin glass base plate 5. SOLUTION: A plane shape recording medium 10 recording radiation image information formed on the thin glass base plate 5 as capacitance latent image and generating current according to the capacitance latent image by scanning the reading surface with readinng light introduced from the glass base plate is supported with a glass base stage 6 thicker than the glass base plate 5 from the glass base plate 5 side. The glass base plate 5, and the glass base stage 6 have transmissivity and nearly equal thermal expansion coefficient and refractivity to each other.
Patent JP-2001295027-A (JP)
Title: Vapor deposition source, patterning method, and electronic device manufacturing method
Inventor: HIROSE SHINICHI
IPC: H01L21/285
Filed: 2000-04-18
Abstract: PROBLEM TO BE SOLVED: To carry out micropattern processing without using resist. SOLUTION: A vapor deposition source is constituted of a heating means 13 such as refractory metal resistor, a heating-region-restricting means 12 provided for the heating means 13, and a vapor deposition material 14 disposed in a manner to be partly brought into contact with the heating means 13. The restricting means 12 restricts the heat energy emitted from the heating means 13 only to the prescribed region. By this restricting means 12, the heat energy emitted from the heating means 13 is applied only to a specific part in the vapor deposition material 14. As the restricting means 12, a thermal insulation film 12 is used. An opening 15 is formed on a part of the thermal insulation film 12, and the selective emission region of the thermal energy from the heating means 13 is determined by means of the opening 15.  Only the vapor deposition material 14 in contact with the heating means 13 inside the opening 15 is selectively evaporated and vapor deposited on the substrate to be subjected to vapor deposition.
Patent JP-2001300109-A (JP)
Title: Device for game
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2000-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a device for a game capable of easily executing the change of the upper limit value of values for the game recorded in a recording medium for the game. SOLUTION: This device 3 of the game which is provided to deal with a game machine 2, is provided with a recording medium processing means 317 for receiving the recording medium for the game on which information capable of specifying the size of the values for the game used at the time of playing the game at the game machine 2 is recorded and performing a processing for converting the values for the game of the size specified from the recording information of the received recording medium for the game to game media used in the game and cash discriminating means 315 and 316 for receiving cash and discriminating the received cash and performs a value addition processing for adding and updating the values for the game of the size pertinent to the amount of the received cash whose discriminated result is judged as proper to the values for the game of the size specified from the  recording information of the recording medium for the game. A prescribed upper limit value is provided for the size of the values for the game and setting means 320 and 50 capable of changing the upper limit value of the values for the game are provided.
Patent JP-2001308102-A (JP)
Title: Three-terminal electronic device
Inventor: KAKAZU MAKOTO
IPC: H01L29/205
Filed: 2000-04-19
Abstract: PROBLEM TO BE SOLVED: To provide a high-frequency device that can inject an electron with higher kinetic energy from an emitter to a base layer, allows the electron to pass through the base layer speedily, and improves a cut-off frequency from 150 GHz to 1 THz. SOLUTION: In this three-terminal electronic device, an n-type nitride aluminum boron gallium AlxeByeGa1-xe-yeN (0.15<xe<=1, 0<ye<=1) emitter semiconductor layer 14, a p-type AlxbBybGa1-xb-ybN (0<=xb<=xe, 0<=yb<=ye) semiconductor base layer 13, and an n-type AlxcBycGa1-xc-ycN (0<=xc<=xb, 0<=yc<=yb) semiconductor collector layer 12 are sequentially stacked.
Patent JP-2001300518-A (JP)
Title: Treatment method of ammonia-containing waste water
Inventor: KITAGUCHI SHINYA
IPC: C02F1/30
Filed: 2000-04-19
Abstract: PROBLEM TO BE SOLVED: To provide a treatment method of a low concentration of ammonia- containing waste water efficiently adsorbing and removing ammonia in the waste water with an adsorbent and not generating secondary pollution at a regeneration of the adsorbent. SOLUTION: This treatment method includes a first process for allowing the waste water containing ammonia to flow in an adsorption tank filled, with at least one kind of the adsorbent selected from the group binary compound oxide consisting of titanium and silicon, binary compound oxide consisting of titanium and zirconium, and ternary compound oxide consisting of titanium, silicon zirconium, and a second process for adsorbing ammonia in the above- mentioned waste water with the above-mentioned adsorbent.
Patent JP-2001307551-A (JP)
Title: Wire coating resin composition and its manufacturing method
Inventor: OTSUKA MITSUYUKI
IPC: H01B3/00
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a wire coating resin composition in which a specific flame retardant is satisfactorily dispersed and its manufacturing method. SOLUTION: This wire coating resin composition consists of (A) 100 parts by weight of straight chain low density polyethylene, namely a copolymer of ethylene with α-olefin which has six or more carbon atoms, and (B) 80-160 parts by weight of a magnesium hydroxide powder including average particle size (D50) of 1.0-10 μm, with the content of magnesium hydroxide of more than 89 wt.%, and coarse particles of 15-40 μm with less than 10 wt.%, and this resin composition has the tensile breaking force of more than 10 MPa, the tensile elongation after fracture of more than 350%, and the standard deviation of the tensile elongation after fracture of less than 30%. Manufacturing method of this resin composition is to dissolve the components (A) and (B) mixing them under the condition that the mixing index is 1,400-4,300 and the mixing temperature is 220-280 deg.C.
Patent JP-2001308377-A (JP)
Title: Three-terminal light-emitting thyristor and self- scanning light-emitting element array
Inventor: OTSUKA SHUNSUKE
IPC: B41J2/455
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To provide a self-scanning light-emitting element array which can realize a modification of the characteristics of its elements and enhancement of its internal luminous efficiency as the leakage current in the interface between the stepped parts of wirings is suppressed more than that in the conventional structure of the array by the circular structure of the mesa type light- emitting part of the array. SOLUTION: An AlGaAs layer 1 of a P-N-P-N structure is formed on a GaAs substrate 2, the layer 1 is subjected to mesa etching, the layer 1 is partially removed, mesa etched parts 6 are formed in the layer 1, and the layer 1 is covered with an SiO2 insulating film 3 including the parts 6. The upper part of the layer 1 is connected with an electrode wiring 4 via a contact hole opened in the film 3. The reference numeral 5 is a rear electrode. A mesa type light-emitting part is formed in a circle-type structure.
Patent JP-2001301557-A (JP)
Title: Air bag for vehicle
Inventor: SOGI HIDEHITO
IPC: B60R21/16
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To provide a light-weight and compact air bag having sufficient withstand pressure strength as the air bag by reducing a stitch deviation amount of a sewn part when it deploys. SOLUTION: This air bag for vehicle is manufactured by sewing a basic cloth which is a plain weave fabric made of polyamide threads having fineness of 110 to 185 dtex and tensile strength of 4.4 cN/dtex or more and bias a cover factor of 2,000 to 2,300 at a stitch interval of 2.7 mm or less using a sewing thread having fineness of 350 to 940 dtex.
Patent JP-2001304018-A (JP)
Title: Air/fuel ratio control device for internal combustion engine
Inventor: KITA MASAYUKI
IPC: F01N3/24
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To improve control accuracy of air/fuel ratio, in a system with an oxygen sensor or a linear A/F sensor respectively installed in the upstream and the downstream of a catalyst. SOLUTION: Air/fuel ratio (fuel injection amount) is feedback controlled so that air/fuel ratio of exhaust gas in the upstream of a catalyst is conformed to target air/fuel ratio based on an output of an air/fuel ratio sensor in the upstream, also sub-feedback control for correcting the target air/fuel ratio in the upstream of the catalyst is performed to be based on an output of an oxygen sensor in the downstream.  Here, in the case that a deviation between the air/fuel ratio in the upstream of the catalyst and theoretical air/fuel ratio is in a prescribed range, a parameter (rich integration item λIR, lean integration item λIL, rich skip item λSKR, lean skip item λSKL) of the sub-feedback control is enlarged as this deviation of the air/fuel ratio increases, while in the case that this deviation of the air/fuel ratio is out of the prescribed range, this parameter is fixed to a prescribed value smaller than a maximum value of this parameter in the above prescribed range.
Patent JP-2001311079-A (JP)
Title: Liquid crystal microcapsule and recording display medium
Inventor: TAKAHASHI ATSUSHI
IPC: G02F1/13
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal microcapsule obtained by a reduced amount of a used liquid crystal, capable of facilitating the treatment, capable of enabling the orientation of the liquid crystal to be easily regulated, and capable of achieving an erasable record with a specific color or a full-color record. SOLUTION: This liquid crystal microcapsule has a liquid crystal layer composed of a dicholesteryl ester of a dibasic acid represented by general formula (1): YO-CO(CH2)n-O-R-O-(CH2)nCO-OY (wherein, Y is a cholesteryl group; R is p-phenylene or 4,4'-biphenylene; and n is a number of 1-20), formed on the surface of a colored particle.
Patent JP-2001300181-A (JP)
Title: Inverter washing machine
Inventor: IKENOBOU YASUHIRO
IPC: H02P21/36
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To provide an inverter washing machine for varying, on an operation state, the capacity of an energy storage means for recovering regenerative energy generated at the time of braking a motor depending. SOLUTION: A control circuit 6 sends control signals to switches 33 and 34 corresponding to the operation state to perform switching of the switches 33 and 34. In this inverter washing machine, a first state of parallelly connecting a capacitor 9a and the capacitor 9b to both ends of an inverter 3 and operating them as a full wave rectifier circuit and a second state of serially connecting the capacitor 9a and the capacitor 9b to both ends of the inverter 4 and operating them as a double voltage rectifier circuit can be selected.