baber/WOPTO huggingface dataset:
Patent JP-H03106567-A (JP)
Title: Consumable electrode ac square wave welding method
Inventor: FUJIYAMA HIROHISA
IPC: B23K9/173
Filed: 1989-09-18
Abstract: PURPOSE:To meet the change of a groove gap without giving the heat input change to base metals by controlling in the specified range a G value determined by the expression by an AC waveform time rate (tr), a voltage level rage Vr and groove cross-sectional area coefficient alpha. CONSTITUTION:The G value determined by the following expression is controlled in the range of G = 0.015 - 0.045. G = (1/alpha). tr. Vr, wherein tr = tp/tn, Vr = Vp/Vn, tp: the weld time of a positive voltage component, tn: the weld time of a negative voltage component, Vp: a voltage level of the positive component, Vn: a voltage level of a negative component. An AC square wave welding power source is used between consumable electrodes and the base metals as the gas shielded arc welding method. The output ratio of either of the time rate or the voltage level rate of AC square waves or both of them is controlled automatically according to the steel plate groove gap change range. By this method, a sound weld zone is obtained in the specified welding heat input range on the base metals and reliability of a welded joint is improved and it can be utilized specially for the automatic welding method.
Patent JP-H06189742-A (JP)
Title: Cell culture insert
Inventor: SUUZAN BAAKAA
IPC: C12M3/00
Filed: 1993-09-28
Abstract: PURPOSE: To provide an apparatus for growing cells or tissue in vitro, which permits a concentration gradient of nutrients to develop through a permeable membrane to which a sample of tissue is attached.  
     CONSTITUTION: A permeable membrane 58 is attached to the bottom of end of a cell culture insert 40 and the cell culture insert 40 is supported by a flange 54 connected to its upper end on the top of a well 14 containing nutrients. Restricted movement of the cell culture insert in the well may be facilitated by projections extending off the outer wall surface of the insert so as to avoid capillary action in the space between the well and the insert. 
     COPYRIGHT: (C)1994,JPO
Patent JP-H08107413-A (JP)
Title: Optical transmitter and optical network
Inventor: SHIMANO KATSUHIRO
IPC: H04L12/28
Filed: 1994-10-05
Abstract: PURPOSE: To selectively receive an optical signal or pass it corresponding to its wavelength by cyclically arranging array waveguide type optical filters at least more than two kinds on a path to pass the optical signal and coupling the respective filters to an optical transmission line. CONSTITUTION: A n-input/n-output array waveguide type optical filter 14 and an (n-1)-input/(n-1)-output array waveguide type optical filter (of which a port 1 is not used for input and output) are provided. Further, optical fibers 16a1-16cn and an optical wavelength multiplex signal receiving means 17 for inputting the output of the port 1 of the optical filter 14 are provided. Moreover, an optical wavelength multiplex signal transmitting means 18 for outputting the optical signal and a signal processing circuit 19 provided with a control circuit are arranged at the position of the optical filter 15 corresponding to the port 1. This processing circuit 19 is provided with the control circuit of a node device, reproduces the signal received by the receiving means 17 and discriminates whether a packet is addressed to its own node or to the other node.  When the packet is addressed to the other node, that packet is transmitted to the downstream node with any suitable wavelength.
Patent JP-S61119641-A (JP)
Title: Highly corrosion-resistant ni-base alloy and its production
Inventor: IGARASHI MASAAKI
IPC: C22F1/10
Filed: 1984-11-16
Abstract: PURPOSE:To provide superior stress corrosion cracking resistance and hydrogen cracking resistance, by limiting the additive amounts of Al, Ti, and Nb within a specific range and by controlling the Si and Mn content, when manufacturing the precipitation strengthening type Ni-base alloy of combined addition system. CONSTITUTION:The highly corrosion-resistant Ni-base alloy consists of, by weight, <0.05% C, <0.15% Si, 0.3-2% Mn, 45-60% Ni, 18-27% Cr, 0.4-3.5% Ti, 2.5-5.5% Mo and/or <11% W(2.5%<=Mo+1/2W<=5.5%), <1.5% Al, <6.2% Nb and/or <2% Ta(Nb+1/2Ta<=6.2%), <0.25% P, <0.005% S, <0.05% N, and the balance Fe with inevitable impurities and satisfies (2Al+Ti+1/2 Nb<=3.5%).
Patent JP-H03106986-A (JP)
Title: Phosphor and its preparation and use
Inventor: TADAKI SHINJI
IPC: C09K11/62
Filed: 1989-09-20
Abstract: PURPOSE:To obtain a phosphor which shows accelerated phosphorescence emission of practical intensity when excited by using a semiconductor laser that emits light at a near infrared wavelength by forming a phosphor comprising an alkaline earth compound halide/garium oxide mixed crystal activated with divalent europium and having a specified chemical formula. CONSTITUTION:This phosphor is shown by the formula [Ba1-yGa2y]X2(1-x)(1-y)X '2x(1-y)O3y:zEu, wherein X and X' are each halogen selected from Cl, Br, and I; 0.4<x<0.6; 0<y<0.2; 0.0001<z<0.01. A layer of the phosphor is provided on a supporting base material to prepare an X-ray image transformation sheet. X-rays passing through an object is absorbed by the sheet, and then the sheet is excited with an electromagnetic wave of a wavelength of 500-1000nm to release the radiation energy stored therein as accelerated phosphorescence emission, which is sensed to give an image.
Patent JP-2000071345-A (JP)
Title: Heat treatment of tube
Inventor: OZAKI SHUSUKE
IPC: B29L23/00
Filed: 1998-08-27
Abstract: PROBLEM TO BE SOLVED: To prevent the dimensional change of a tube in the diameter direction in a method for winding the tube after extrusion molding around a winding member to heat-treat the same. SOLUTION: A tube 2 comprising a thermoplastic elastomer obtained by extrusion molding is wound around the winding member 1 capable of linearly holding the tube 2 between a plurality of tube engaging parts 3 within 10 min after extrusion molding and allowed to stand at temp. lower than the glass transition temp. of the material constituting the tube 2 to be stabilized in shape before heat-treated.
Patent JP-S6482887-A (JP)
Title: Microphone device
Inventor: SASAKI TORU
IPC: H04R3/00
Filed: 1987-09-25
Abstract: PURPOSE:To detect a fact that an elevation angle of a sound source is within a prescribed range, so that only a sound from a desired sound source can be collected by detecting a level ratio of a prescribed frequency component, in outputs of the first microphone on a reference plane and the second microphone aligned with said microphone at prescribed height. CONSTITUTION:The titled device is provided with a microphone 1 provided on a reference plane (desk) T, a microphone 2 aligned and provided at prescribed height (h) against the microphone 1, band pass filters 12, 22 of a center frequency (fa) (for instance, 2.5kHz) corresponding to an elevation angle theta of a sound source SS to be sound-collected, and band pass filters 14, 24 of a center frequency (fb) (for instance, 4kHz), and by using RMS value-logarithm converting circuits 13, 23 and 14, 24, and subtracters 26, 27, a level ratio of outputs of the microphone 1 and 2 in a frequency band in the vicinity of (fa) and (fb) is detected. When an output of the subtracter 26 or 27 is above a reference voltage Ea or Eb of a comparator 28 or 29, it is detected that the sound source SS is at a prescribed elevation angle from the reference plane T, and it is identified from a noise source NS.
Patent JP-H11126829-A (JP)
Title: Manufacture of semiconductor device
Inventor: MARK S RODDER
IPC: H01L27/092
Filed: 1998-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a transistor which is equipped with a gate structure which is formed independently. SOLUTION: A first region 16 of a semiconductor layer 12 is isolated from a second region 18 of a semiconductor layer 12, whereby a transistor is formed. A first disposable gate structure 26 of the first transistor can be formed on the first region 16 of the semiconductor layer 12. A second disposable gate structure 28 of a second complementary transistor can be formed on the second region 18 of the semiconductor layer 12. A cap layer 60 can be formed on the first and second regions 16 and 18, including the disposable gate structures 26 and 28. The parts 62 and 64 of the throw-away gate structures 26 and 28 are exposed through the cap layer 60.
Patent JP-H03105988-A (JP)
Title: Thermal persistent-current switch
Inventor: SUZUKI YASUO
IPC: H01L39/20
Filed: 1989-09-20
Abstract: PURPOSE:To increase a breaking speed of a persistent-current switch by a method wherein liquid helium is discharged forcibly, the persistent-current switch is thermally open and, in addition, a heating operation by means of a heater is executed. CONSTITUTION:When a command to turn a switch off is received, a pressurization gas is supplied instantaneously from a gas inlet 1 to liquid-helium discharge bodies 2, 2'; the inside of a thermal persistent-current switch pressurization force adjustment part 10 is filled with the gas; at the same time, the liquid-helium discharge bodies 2, 2' are quickly moved equally to the right and the left. Heaters 7, 7a, 7', 7b' at the inside of the liquid-helium discharge bodies are moved while they are pushing springs 6, 6 for liquid-helium inhalation use; the heaters are connected to heater electrodes 7b, 77b, 7b', 77b' at the inside of the liquid-helium discharge bodies simultaneously with a finish of their movement. Temperature sensors B, B' are installed at the inside of the pressurization force adjustment part 10; liquid helium is gasified so that no liquid remains; the liquid helium is discharged surely.
Patent JP-H03107310-A (JP)
Title: Automatic travel controller for unmanned carrier
Inventor: SUGIMOTO YUICHI
IPC: G05D1/02
Filed: 1989-09-20
Abstract: PURPOSE:To enable traveling with a limit speed corresponding to the traveling environment and to realize a safe unmanned carrier by storing the limit speed at random points on a travel path into a controller. CONSTITUTION:Upon provision of a current position and a target position, a travel control section 3 determines a determines a travel path based on a route data fed from a route data memory section 2 and provides a travel map, whereafter the travel control section 3 receive signals from a point detecting section 6 and a rotary pulse input section 5 and controls traveling of travel motor 4. The route data memory section 2 is provided with limit speeds at random points on a travel path from a route data input section 1. The travel control section 3 controls the travel motor 4 such that the traveling sped does not exceed the limit speed at each point on the travel path.
Patent JP-2000072189-A (JP)
Title: Heat-insulating paper-container
Inventor: OSAKI KATSUHIRO
IPC: B65D3/22
Filed: 1998-08-27
Abstract: PROBLEM TO BE SOLVED: To improve and the heat insulation effect and handlability comparatively economically by a method wherein a plurality of vertical ridges are provided at specified intervals at the outer circumference of the trunk part of a cup main body and the trunk part is covered with a heat-insulating paper sheet with a layer of heat- insulating space formed in between. SOLUTION: A plurality of ridges 14 projecting outward are provided at specified intervals, excluding parts close to the upper and the lower edges, at the trunk part 11 of a paper cup main body formed of the trunk part 11 and the bottom part 12, having a mouth edge part 13 formed by curling outwardly the peripheral edge at the opening part, and a heat-insulating paper sheet 20 is stuck to the outside of the cup main body and thereby heat-insulating spaces 30 are formed between the heat- insulating paper sheet 20 and each of parts other than the projected stripes 14 of the trunk part 11.  Since a heat-insulating paper container 1 is constructed of two members of the paper cup main body and the heat-insulating paper sheet 20, eliminating an embossed paper, its cost can be reduced and furthermore, with ridges formed at the outside of the heat-insulating paper sheet 20, convenience in handling the container can be improved with slipperiness eliminated when the trunk part 11 is held with fingers or the like.
Patent JP-S6482989-A (JP)
Title: Far infrared transfer material
Inventor: HIGUCHI TOKUMASA
IPC: B41M5/00
Filed: 1987-09-25
Abstract: PURPOSE:To enable far infrared rays to be emitted when predetermined heat is applied, by providing a far infrared ray-emitting layer for emitting far infrared rays, on a part or the entire surface of a releasable base film. CONSTITUTION:A release layer provided for a base film 1 of an ordinary transfer material is provided by an ordinary printing method by using a thermoplastic resin, a natural rubber, a synthetic rubber or the like. A far infrared ray- emitting layer 2, which is a layer formed from an ink comprising a far infrared ray-emitting substance kneaded in a binder, is provided by printing on a releasable surface of the base film 1. A far infrared ray reflection layer 3 is provided by using a material comprising a white pigment with a high reflectivity of far infrared rays dispersed in a binder similar to the binder used for the layer 2. For enhancing the properties for transfer or adhesion to a transfer recording material, an adhesive layer 4 may be provided. When this far infrared transfer material is transferred to, for example, a clothing at a position on an effective spot of human body, the layer 2 emits far infrared rays under the effect of the body heat, whereby the body is efficiently warmed to its deep part. Numeral 5 denotes a pattern layer which does not emit far infrared rays.
Patent JP-H0578899-A (JP)
Title: Production of thin film and color filter
Inventor: KOMON HIROSHI
IPC: C25D13/02
Filed: 1991-09-24
Abstract: PURPOSE:To produce a thin film irrespective of the patterning and conductive substrate by dispersing an org. matter with a surfactant consisting of a ferrocene derivative to obtain a micelle soln., inserting a material to be coated with a film into the soln. and irradiating the material with light. CONSTITUTION:An inorg. matter or a hydrophobic org. matter is dispersed or solubilzed in an aq. medium with a surfactant consisting of a ferrocene derivative. From 1 to 100mM of a photooxidation catalyst and 1-100mM of the regenerated photooxidation catalyst are added in 1:5 to 5:1 ratio, the obtained micelle soln. or dispersion is controlled to <=pH5, then a material to be coated with a film is inserted, and the contact surface with the soln. or dispersion is irradiated with light to form a thin film of the inorg. matter or hydrophobic org. matter. A thin film is produced in this way irrespective of the patterning and conductive substrate.
Patent JP-2001065405-A (JP)
Title: Engine
Inventor: KATAOKA YOICHI
IPC: F02B23/10
Filed: 1999-08-30
Abstract: PROBLEM TO BE SOLVED: To improve combustion efficiency by matching the tumble of an air sucked from a suction port to the combustion chamber of an engine with the injection range of a fuel. SOLUTION: A suction chamber 3 and exhaust chamber 4 are provided in this cylinder head 13 and connected to the suction port 7 and exhaust port 8 respectively and have a suction valve 5 and exhaust valve 6. An expansion part 11 is formed on the lower surface of the lower end the suction port 7 led to the suction chamber 3. Therefore, when a piston 2 is lowered and the suction valve 5 is opened, the air is sucked in the cylinder 1 from the suction chamber 3, as the air is sucked into the position near the center N.A of the cylinder 1 and a tumble A is generated near the center N.A, the air is mixed sufficiently with the fuel injected from an injector.
Patent JP-H04124565-A (JP)
Title: Absorption type refrigerating machine
Inventor: YODA HIROAKI
IPC: F25B15/00
Filed: 1990-09-14
Abstract: PURPOSE:To follow the variation of load sufficiently and secure stabilized operation by a method wherein the title refrigerating machine is provided with a variable mechanism, setting respective setting temperatures of a starting cooling water temperature and a stopping cooling water temperature for the absorption type refrigerating machine, whose starting and stopping are controlled by detecting the temperature of cooling water to be circulated to the side of a load, so as to be higher when the thermal load is small. CONSTITUTION:The signal of the thermistor 8 of a cooling water temperature detecting means is taken into an operating circuit 7 while a variable resistor 9 is inserted in series to the thermistor 8. Accordingly, a cooling water control temperature can be changed by selecting the variable resistor arbitrarily and the variable resistor is set higher when a cooling load is small whereby the cooling water control temperature is increased. The variable resistor 9 is set higher in spring, beginning summer and after middle autumn whereby stabilized operation can be secured.
Patent JP-H0798337-A (JP)
Title: Current detector
Inventor: MIYASHITA OSAMU
IPC: G01R19/00
Filed: 1993-09-29
Abstract: PURPOSE:To provide a small, lightweight, low-cost current detector capable of detecting a current to be detected under insulation. CONSTITUTION:A shunt resistor 3 connected in parallel with the primary winding 5a of a transformer 5 is arranged, and a current i (t) to be measured of a main circuit 2 is fed to the parallel connection portion. The signal of the current to be detected appears on the secondary winding 5b electrically insulated from the main circuit 2 side, the impedance of the resistor 3 is made sufficiently smaller than that of the primary winding 5a, the power loss by the resistor 3 is small, and the current flowing in the primary winding 5a can be made small. The transformer 5 itself can be made small and lightweight, and no power feed is required for a detector.
Patent JP-H1188710-A (JP)
Title: Image processing method, system therefor and storage medium
Inventor: FURUKAWA ITARU
IPC: H04N1/405
Filed: 1997-09-08
Abstract: PROBLEM TO BE SOLVED: To eliminate moire fringes by converting one-line image information of an original into each component of cyan(C), magenta(M), yellow(Y) and black(K) and processing the image information based on an estimated print line number of an original obtained from a maximum frequency among the components resulting from a dot component from each frequency characteristic distribution. SOLUTION: A CMYK conversion section 20 converts RGB components included in one-line image information stored in an image memory 14 into C, M, Y, K components. Each component is subjected to one-dimensional Fourier transform by a method such as an FET method by a frequency characteristic distribution extract section 22 and a frequency characteristic distribution is extracted. A filter processing section 24 conducts band pass filter processing that passes frequency components caused by a dot component for frequency band of a prescribed range. The frequency characteristic distribution after the processing is referred to by an estimate print line number calculation section 26 and an estimated print line number is calculated by referencing a print line number table 28.
Patent JP-H0290733-A (JP)
Title: Radio receiver
Inventor: HANAI AKIHIKO
IPC: H04B1/08
Filed: 1988-09-27
Abstract: PURPOSE:To attain low power consumption by providing a gate bias changeover circuit switching one gate bias or over of a transistor (TR) and a comparator circuit comparing a signal meter output with an optional reference value to switch the gate bias. CONSTITUTION:With the reception of a broadcast station with a weak electric field by the operation of a tuning circuit 30, an output 82 of a signal meter circuit 80 has a low level because of the weak electric field, an output of a comparator circuit 90 drives a gate bias switch 21b to select a gate bias power supply 21c and the gate bias of a TR 23 is supplied from the gate bias power supply 21c. In this case, a large current flows as a drain current to a field effect TR 23 because of a shallow bias. With the reception of a broadcast station with an intermediate electric field or over, a gate bias power supply 21d is selected, the ate bias of the field effect TR 23 is deep resulting in decreasing the drain current. Thus, the improvement of the characteristic and the low power consumption are attained compatibly.
Patent JP-H0552887-A (JP)
Title: Retrieving method for period of waveform data taken in for measurement of harmonic by use of memory recorder
Inventor: KODAIRA YASUHIRO
IPC: G01R23/16
Filed: 1991-08-28
Abstract: PURPOSE:To enable accurate measurement of a high frequency by specifying a data train to be retrieved of which the difference sum in the relation of the period of waveform data taken in with a reference data train is the minimum. CONSTITUTION:A large number of sampling points are set for waveform data 3 taken in and a reference data train SDATA(N) is specified out of discrete data trains positioned between the adjacent sampling points. Each other data train corresponding to this reference data train SDATA(N) is made to be a data train to be retrieved, a difference sum between this and the reference data train SDATA(N) is determined discretely, the data train DATA(N) to be retrieved of which the difference sum is the minimum is detected, a sampling point A at which the beginning-end data thereof are positioned is specified, and the number of sampling points between the above sampling point A and a sampling point P at which the beginning-end data in the reference data train SDATA(N) are positioned is made to be one period of the waveform data.
Patent JP-H08103960-A (JP)
Title: Three-dimensional fiber reinforced composite material
Inventor: MASUGI KYOICHI
IPC: B29C70/06
Filed: 1994-10-06
Abstract: PURPOSE: To prevent cracking from spreading ranging from the initial cracking of a skin part, to a general part by cutting off the skin part in which resin stagnations constituting starting points of the initial cracking concentrate, by means of machining. CONSTITUTION: This three-dimensional fiber reinforced composite material 11 is formed by impregnating a plurality of out-plane directional yarn and three-dimensional woven cloth provided with the out-plane directional yarn which are orthogonal to a plurality of in-plane directional yarn and the datum surface of a plurality of in-plane directional yarn with resin, hardening them, and grinding its skin part smoothly.
Patent JP-H0582693-A (JP)
Title: Semiconductor device
Inventor: TAKAGI YOSHIO
IPC: H01L23/50
Filed: 1991-09-24
Abstract: PURPOSE:To realize reduction in size and low cost of a semiconductor device utilizing an external encapsulating case. CONSTITUTION:A modified absorbing part formed by a flat braided lead 14 to a part which is within the silicon gel 8 in an electrode terminal 11. A force to be applied to the electrode terminal 11 can be absorbed by deformation of the flat braded lead 14. Since it is no longer necessary to bend the electrode terminal into the shape of letter S, manufacturing cost can be lowered and the occupied space of the case 7 can be narrowed. Therefore, the size of a semiconductor device which does not easily allow peeling of the internal joining part of the electrode terminal 11 for thenal expansion can be reduced and moreover such semiconductor device can be obtained at a low cost.