baber/WOPTO huggingface dataset:
Patent JP-H09215336-A (JP)
Title: Controller of npc inverter
Inventor: MIYAZAKI SEI
IPC: H02P27/08
Filed: 1996-02-09
Abstract: PROBLEM TO BE SOLVED: To make an efficient suppression of a change in the potential at a neutral point without increasing a switching frequency by operating a first voltage standard converting means and a modulation frequency switching means at a first PWM mode and controlling a second voltage standard converting means at a second PWM mode. SOLUTION: The amplitude of a voltage standard and a specified value determined by the minimum pulse width are compared by a mode selecting section 12 and a first and a second PWM mode are determined. At the first PWM mode, a first voltage standard converting means 14 becomes an operation state and the polarity is changed by a constant cycle Fpn generated by a polarity switching frequency generator 14a and a specified bias value to ensure the minimum pulse width is added to a voltage standard of each phase and at the same time, a PWM-controlled modulation frequency Fc is lowered by a modulation frequency switching means 17. At the second PWM mode, a second voltage standard converting means is operated and a voltage standard of each phase from a coordinate converting section 10 is converted. Therefore, the change in the potential at a neutral point can be suppressed.
Patent JP-H04240808-A (JP)
Title: Clamp for optical fiber
Inventor: TAKIMOTO HIROAKI
IPC: G02B6/28
Filed: 1991-01-25
Abstract: PURPOSE:To improve positioning precision of the clamp mechanism in an optical fiber coupler manufacturing device. CONSTITUTION:The clamping mechanism is constituted from a member with groove 1 and a pressing member 2. The member with groove 1 is provided with a groove part 1a where the optical fiber is inserted and an optical fiber conducting part 1b opening up to its exterior. At the time of clamping, the optical fiber is inserted to the groove part and clamped by positioning the optical fiber to the optical fiber conducting part in a state where the member with groove and the pressing member are separated, and then moving the pressing member from the conducting part toward the groove part so that the optical fiber is pressed in.
Patent JP-S60166163-A (JP)
Title: Brazing method
Inventor: FUKUMA ZENICHI
IPC: B23K35/30
Filed: 1984-02-09
Abstract: PURPOSE:To permit easy brazing without erroneous operation and to enable automation of brazing by pressing a compounded brazing material in which a solid phase and liquid phase coexist to a member, heating said material to the co-existing temp. to fix preliminarily said member, pressing the brazed member to the prescribed position of the other member and brazing the members at the temp. above the m.p. of the brazing material. CONSTITUTION:A wire chip 9 consisting of silver solder in the range (a), (b) deviated from the eutectic in an Ag-Cu constitutional diagram is pressed to one 7 of the two members to be brazed and is heated to the co-existing temp. near 800 deg.C to fix preliminarily said member. The stuck member 10a is pressed to the prescribed position 4 of the other member 1 and is heated to the temp. above the m.p. 950-1,050 deg.C, by which the two members are brazed. The fixed solder 9a is carried together with the member 10 to the other member and therefore the operation is made easy without erroneous operation. If the length B of the brazing material is made larger than the diameter of the member 7, the normally arranged delivery is made easy by the ''Syntron'', etc. of the brazed member 10a and the automation of the brazing operation is made possible.
Patent JP-H02205130-A (JP)
Title: Data transfer method
Inventor: TSUNODA TOMOAKI
IPC: H04L69/40
Filed: 1989-02-03
Abstract: PURPOSE:To shorten the data transfer completion time by applying comparison check with transmitted data by performing the reception of data transmitted on a channel B on one side while performing data transmission on the channel B on the other side, and performing the re-transmission of the data when detecting an error on a channel D. CONSTITUTION:Both an outgoing side terminal 11 and an incoming side terminal 12 are connected to an ISDN(Integrated Services Digital Network) 13 by a subscriber line 14. The subscriber line 14 is provided with an ISDN fundamental interface, and two B channels (for user information) and one D channel (for control information) are provided after being multiplexed. Transfer data 15 are stored in the memory devices 16 in the outgoing and incoming terminals, and blocked to fixed length and packetized, then, transmitted on the channel B. And a transfer managing table 21 is housed in the memory device to control a transfer method, and the setting/reference of it is performed by a communication control part 18.
Patent JP-H04251684-A (JP)
Title: Laser welding method of galvanized steel sheet
Inventor: KUNO HIROHIKO
IPC: B23K26/32
Filed: 1991-01-24
Abstract: PURPOSE:To provide the welding method which welds galvanized steel sheets by a laser beam in one stage with good welding appearance and good working efficiency. CONSTITUTION:The output of the laser beam is controlled and the part to be welded of the galvanized steel sheets is alternately irradiated with the 1st laser beam of the low-peak pulses and the 2nd laser beam of the high-peak pulses to remove the galvanizing layers by the 1st laser beam and to weld the two steel sheets by the 2nd laser beam in the laser welding method for the galvanized steel sheets which executes welding by superposing the galvanized steel sheets and irradiating the part to be welded of these steel sheets with the laser beams.
Patent JP-S62181998-A (JP)
Title: Method for feeding lubricating oil to stern tube
Inventor: SAKAMOTO MASAO
IPC: B63H23/36
Filed: 1986-02-07
Abstract: PURPOSE:To feed a lubricating oil smoothly to the bearing of an inside propeller shaft or a sealing device by providing one or plural lubricating oil distributing cases on the outer periphery of an outer shaft, and feeding a lubricating oil to said inside bearing and sealing device via the oil chamber of said distributing case connected to piping and a connecting port provided on said outer shaft. CONSTITUTION:A lubricating oil from a piping 21a is fed to the bearing of an inside propeller shaft through the oil feeding chamber 36 of a distributing case 22 and oil feeding port 23, and discharged from a piping 21n through an oil discharge port 24 and the oil discharge chamber 37 of the distribution case 22. Although the positions in the circumferential direction of the oil feeding port 23 and the oil discharge port 24 are varied due to the rotation of an outside propeller shaft 3, connection will not be cut off due to the oil feeding chamber 36 and the oil discharging chamber 37 which are formed in annular shapes. Thereby, the lubricating oil can be fed from a feeding piping which is fixedly provided in a hull to the inside of the outside propeller shaft 3 through the shaft 3 being rotated, enabling the bearing of the inside propeller shaft and a sealing device always to be fed with a proper quantity of lubricating oil, to improve their operating property and durability.
Patent JP-H10222847-A (JP)
Title: Information recording medium, information recorder and information reproducing device
Inventor: SEO KATSUHIRO
IPC: G11B7/00
Filed: 1997-02-06
Abstract: PROBLEM TO BE SOLVED: To provide an information recording medium, an information recorder and an information reproducing device capable of increasing linear recording density. SOLUTION: This information recording medium is constituted so that in the information recording medium reproducing information recorded on respective pits by an optical detection system scanning a light beam along a pit line and obtaining a regenerative signal according to respective pits, an edge position of an information pit is shifted from a prescribed reference position in a step shape in the track direction according to digital information to be recorded within the range equivalent to a prescribed shift period smaller than the transient period of the regenerative signal decided according to the transmission characteristic of the optical detection system, and the information pit shifted in the track direction is displaced further in the direction orthogonally intersecting with the track direction, and another digital information is recorded.
Patent JP-H09219712-A (JP)
Title: System and method for transmitting data
Inventor: SAITO RYUICHI
IPC: H04L12/40
Filed: 1996-02-09
Abstract: PROBLEM TO BE SOLVED: To prevent the collision of data which are transmitted from respective terminal equipments without providing a carrier wave detecting circuit and a collision detecting circuit in a transmission repeater and the respective terminal equipments in a bus connection-type data transmitting system. SOLUTION: The transmission repeater 2 is provided with a line establishing circuit 5 and a line holding circuit 7 so as to transmit a first synchronizing code being the same synchronizing code from the line establishing circuit 5 to the whole terminal equipments 4 in establishing a communication line so that the line is established with the required terminal equipment 4 by poling from a center device 1. Then, the established communication line is held till a completion electronic message is transmitted from the center device 1 by the third synchronizing signal from the line holding circuit 7 and a calling request from another terminal equipment 4 is made to be improper.
Patent JP-H05287025-A (JP)
Title: Production of propylene/ethylene copolymer
Inventor: MAINORUFU KERUSUTEINGU
IPC: C08F297/08
Filed: 1993-02-12
Abstract: PURPOSE: To obtain a propylene/ethylene copolymer having good mechanical properties and good surface properties by using a product obtained by reacting a titanium-containing composition with a cocatalyst and inactivating the reaction product by reaction with carbon dioxide as a Ziegler/Natta catalyst composition.  
     CONSTITUTION: This propylene/ethylene copolymer is produced by two-stage polymerization form a gas phase in an agitated fixed bed by using a Ziegler/ Natta catalyst composition which contains in addition to a titanium-containing solid component an aluminum compound as a cocatalyst. As the Ziegler/Natta catalyst composition, a product obtained by reacting a titanium-containing solid component with a cocatalyst and inactivating the reaction product by reaction with carbon dioxide is used. The obtained catalyst composition exhibits good storage stability and can be stored in the form of for example a solid. Before being added for the copolymerization of propylene with ethylene, the catalyst composition is reactivated with a cocatalyst (which may be the same as used in the preceding step). 
     COPYRIGHT: (C)1993,JPO
Patent JP-H04339287-A (JP)
Title: Image display method in fish detector
Inventor: KANEKO NAOKI
IPC: G01S15/89
Filed: 1991-01-23
Abstract: PURPOSE:To simultaneously grasp a detail condition in the neighborhood of the sea bottom and the ups and downs thereof in a picture plane by processing received data alone upward from the sea bottom in accordance with an extension range and adding other data showing the depth of the sea bottom thereto. CONSTITUTION:After received data on the whole depth are taken into RAM and the depth of the sea bottom is discriminated, the data of RAM is stored in accordance with a depth range once more. After the data of the underwater part coming into contact with the sea bottom are processed in accordance with the extention range on the basis of the discriminated depth position, they are added to the sea bottom data to display them on a Braun tube. Thereby a sea bottom extention image incorporating the image showing the ups and downs of the sea bottom is displayed. In other words, the same image as the sea bottom 12 shown on a usual image is displayed on the lower part of an image plane, the underwater part of about 10 feet coming into contact with the sea bottom 12 is extended to display upward of the sea bottom 12 on a sea bottom extension image. Fishes a-d13 on the usual image correspond to points A-D13 on the sea bottom extension image and the same depth are shown by contour lines 2-8 of a 2-feet unit.
Patent JP-S59149117-A (JP)
Inventor: OOSHITA TAKAHIRO
IPC: A47L9/00
Filed: 1983-02-15
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-S61182999-A (JP)
Inventor: FUKUDA YUTAKA
IPC: B44C5/04
Filed: 1985-02-08
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-H04243655-A (JP)
Title: Abnormality detecting method for liquid pressure generating device
Inventor: SHIRAI KENJI
IPC: B60T8/88
Filed: 1991-01-23
Abstract: PURPOSE:To provide a method of detecting the abnormality of the liquid pressure generating device of an electrically-controlled brake device. CONSTITUTION:The abnormality detection of liquid pressure is performed when the depressing power Ft of a brake pedal 10 becomes over the set depressing power F1, and the difference DELTAF between the latest depressing power Ft and the preceding depressing power F(t-1) becomes over the set value DELTAF2 so as to detect the brake pedal 10 being further depressed. When a liquid pressure generating device is normally operated, the difference DELTAP between the latest wheel cylinder pressure Pt and the preceding wheel cylinder pressure P(t-1) is to become larger than DELTAP1 in the case of the depressing power Ft increasing, and in the case of being less than DELTAP1, an alarm lamp is lighted to inform (S11) a driver of the generation of abnormality, and changeover to a manual mode is performed (S12).
Patent JP-H09215341-A (JP)
Title: High-frequency leakage current reducing device in inverter device
Inventor: NOJIRI HIDETOMO
IPC: H02M7/48
Filed: 1996-02-09
Abstract: PROBLEM TO BE SOLVED: To lessen high-frequency leakage current by detecting high-frequency leakage current appearing on a three-phase power line and amplifying the detected high-frequency leakage current and then causing the amplified high-frequency leakage current of an opposite phase to flow electromagnetically in the three-phase power line. SOLUTION: Rotary torque is generated by a three-phase motor according to the three-phase AC current generated by an inverter device 3 and a vehicle is driven by the rotary torque. At that time, zero-phase leakage current of the three-phase AC current at a common mode supplied to the three-phase motor 13 from the inverter device 3 via a three-phase power line 5 is detected by a current detecting coil 7. The detected leakage current is supplied to a high-frequency amplifier 9 and is power-amplified. The amplified current of an opposite phase is caused to flow electromagnetically in the three-phase power line 5 through a matching coil 11. By this method, high-frequency leakage current can be lessened and thereby the troubles due to electromagnetic noise can be eliminated.
Patent JP-H07229817-A (JP)
Title: Oxygen analyzer
Inventor: YAMADA HIROSHI
IPC: G01N27/41
Filed: 1994-02-22
Abstract: PURPOSE:To provide an oxygen analyzer in which the maintenance interval can be prolonged even under severe conditions and the maintenance can be performed easily in a short time. CONSTITUTION:The oxygen analyzer comprises an upstream probe pipe 1 having an opening 2 provided at one end thereof while directing the upstream side of exhaust gas and an upstream connection 3 provided at the other end thereof, a downstream probe pipe 4 having an opening 5 provided at one end thereof while directing the downstream side of exhaust gas and a downstream connection 6 provided at the other end, an upstream pipe body 8 having a connection 11 to be connected with the upstream connection 3 at one end thereof and a cover 12 communicated with the atmosphere at the other end, a main pipe body 7 where a downstream purge port 16, having a connection 14 to be connected with the downstream connection 6 at one end and a cover communicated with the atmosphere at the other end, is connected through a communicating part 10 with a downstream pipe body 9, an oxygen detecting part 21 provided on the wall of pipe body 8, 9 or the part 10, and means 25 for heating the main pipe body 7.
Patent JP-S58142577-A (JP)
Title: Preparation of semiconductor device
Inventor: SHIRASU TATSUMI
IPC: H01L29/78
Filed: 1982-02-19
Abstract: PURPOSE:To reduce a wiring resistance by forming the recess on an Si surface, coating thereon a metal film and then forming a silicide layer on this film. CONSTITUTION:A field SiO2 film 2 and a gate SiO2 film 3 are formed on the P<->Si substrate 1. A window opening 4 is formed on the film 3, an impurity is filled in this opening 4 and thereby the N<+> layer 6 is formed. Then, a polycrystalline layer 7 is formed and a wiring 9 is formed by the polycrystalline Si  which is in contact with the polycrystalline Si gate 8 and layer 6 by the selective patterning of the layer 7. At this time, a recess 10 is formed at the time of selective etching. An impurity 11 is implanted with the gate 8 and wiring 9 used  as the mask and thereby an N layer 12 which will become the source and drain  regions is formed. Thereafter, a metal film 13 is formed on the entie part  through vacuum deposition of metal. The film 13 and Si react through a heat  processing and a silicide layer 14 having a small specific resistance can be  formed. The film 13 is then selectively etched.
Patent JP-S57141026-A (JP)
Title: Production for magnetic recording medium
Inventor: KUZE SADAMU
IPC: G11B5/842
Filed: 1981-02-20
Abstract: PURPOSE:To prevent thickening and gelling of a magnetic coating material to improve the electromagnetic conversion characteristic and the surface smoothness, by forming a magnetic layer with the magnetic coating material where metallic magnetic powder is mixed with a main agent and is dispersed after being mixed with binder components other than the main agent of the binder. CONSTITUTION:In case that a mgnetic layer where cellulose resin (such as nitrocellulose), a vinyl chloride-vinyl acetate copolymer including COOH, and a vinylidene chloride copolymer are a main binder for metallic magnetic powder is formed, binder components other than the main binder[polyurethane, phenoxyl resin, epoxy resin, polyester resin, acrylic resin, a vinyl chloride-vinyl acetate copolymer contg. OH radical (or not contg.), or rubbery polymer]and metallic  magnetic powder are mixed with a solvent and an additive such as a pigment, and the main binder and an additional solvent or the like are added to this  mixed material to prepare a magnetic coating material. This magnetic coating  material is prevented from thickening and gelling to improve the coating workability, and thus, a magnetic recording medium superior in electromagnetic conversion characteristic and surface smoothness which is high-durability and runs  smoothly is obtained.
Patent JP-2000226004-A (JP)
Title: Packaging device
Inventor: OSHITA MINORU
IPC: B65B7/28
Filed: 1999-02-02
Abstract: PROBLEM TO BE SOLVED: To make a packaging device smaller and reduce the cost thereof by using combinedly a mold for a plurality of containers for packaging. SOLUTION: A packaging device is provided with a carrying mechanism, a mold 41, a heating plate and a driving motor. The carrying mechanism is provided with a belt 23 supporting the lower face of a flange of a container 90. The lower face of the flange of the container 90 can be supported by the mold 41 on a plane position for heat fusion bonding. The heating plate is disposed above the mold 41 on the plane position for heat fusion bonding. The mold 41 is moved close to and separated away from the heating plate by the driving motor. In the packaging device, the belt 23 is separated partially from the lower face of the flange of the container 90 on the plane position for heat fusion bonding.
Patent JP-H09196686-A (JP)
Title: Angular velocity sensor
Inventor: KAWAMURA NAOKO
IPC: G01C19/56
Filed: 1996-01-19
Abstract: PROBLEM TO BE SOLVED: To obtain an angular velocity sensor whose configuration is simple and whose sensitivity and accuracy are enhanced. SOLUTION: When an AC current is applied to a winding 15 at a detection part 10, ferromagnetic parts 12, 13 are excited, and the respective ferromagnetic parts 12, 13 are vibrated (expanded and contracted) in the length direction due to a magnetostrictive effect. When the ferromagnetic parts 12, 13 being vibrated are turned at an angular velocity ω, Coriolis' force Fc acts on the ferromagnetic parts 12, 13, a support member 11 is bent, and a stress acts on the ferromagnetic parts 12, 13 in such a way that the other out of the ferromagnetic parts 12, 13 is contracted when one out of them is expanded. Thereby, a difference is generated in the impedance of the ferromagnetic parts 12, 13 due to a reverse magnetostrictive effect.  Consequently, a high-frequency voltage Vs is applied across the ferromagnetic parts 12, 13 by a high-frequency power supply 21, and the difference in a current flowing to the ferromagnetic parts 12, 13 is amplified by a differential amplifier 22. Thereby, the angular velocity ωcan be found on the basis of the output of the differential amplifier 22.
Patent JP-H11223536-A (JP)
Title: Fluid vibration type flowmeter
Inventor: KUMAGAI MINORU
IPC: G01F1/20
Filed: 1998-02-05
Abstract: PROBLEM TO BE SOLVED: To provide a fluid vibration type flowmeter in which costs or time which is necessary for development can be reduced. SOLUTION: This fluid vibration type flowmeter is provided with an upstream side passage 200, nozzle passage 210, and downstream side passage 220 as second-dimensional passages formed with a constant dimension in a thickness direction so as to be symmetric to a center line C, and a flow rate can be detected, based on the fluid vibration of a sprayed flow sprayed from a nozzle passage 210 to the downstream side passage 220. The downstream side passage 220 is provided with a target 3 on the center line C, and when the width of the nozzle passage 210 is set W, a distance from the outlet of the nozzle passage 210 to the target 3 is set Lj, and the dimension of the thickness direction is set H, a relation that Lj/W=4.1935-11.4286 and H/W=2.4355-7.1786 can be obtained.
Patent JP-S53110842-A (JP)
Title: Fixing roller
Inventor: FUKUNAGA ICHIROU
IPC: G03G15/20
Filed: 1977-03-09
Abstract: PURPOSE: To facilitate manufacture by rendering the surface of a heating roller rough. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S59151159-A (JP)
Title: Toner for developing electrostatic charge image
Inventor: YAMAZAKI HIROSHI
IPC: G03G9/08
Filed: 1983-02-18
Abstract: PURPOSE:To obtain a toner for developing an electrostatic charge image with superior fixability by chemically bonding chargeability controlling groups to the surfaces of toner particles so as to control the chargeability without exerting unfavorable influence on the characteristics of the resin of the toner. CONSTITUTION:A toner having about 7-30mum average particle size is formed using a binding resin having functional groups. The resin has about 100-170 deg.C softening point and about 40-110 deg.C glass transition point. The functional groups present on the surfaces of the toner particles are reacted with a compound having a chargeability controlling group to chemically bond chargeability controlling groups to the surfaces of the toner particles. For example, diethanolamine or CF3OH is added to a toner made of a (co)polymer of (meth)acrylic acid, and it is reacted with carboxyl groups present on the surface of the toner to chemically bond chargeability controlling groups such as amino groups or fluoroalkyl groups.