baber/WOPTO huggingface dataset:
Patent JP-H04256370-A (JP)
Title: Semiconductor device
Inventor: ENJIYOU YOSHIHIRO
IPC: H01L29/78
Filed: 1991-02-08
Abstract: PURPOSE:To stabilize breakdown strength of a P-N junction formed at a junction part between an N<+>-type substrate and a P-type buried layer even if a thickness of an N<->-type epitaxial layer is irregular by providing the P-type buried layer on a surface of an N<+>-type semiconductor substrate and by connecting it to a P<+>-type diffusion layer provided inside the N<->-type epitaxial layer. CONSTITUTION:The title device is provided with a buried layer 2 of reverse conductivity provided to a main surface of a semiconductor substrate 1 of one conductivity of high impurity concentration, an epitaxial layer 3 of one conductivity of low impurity concentration provided to a surface including the buried layer 2, a diffusion layer 4 of reverse conductivity of high impurity concentration which is provided to the epitaxial layer 3 and attains the buried layer 2, a gate electrode 8 provided onto a gate insulating film 7 provided to a surface of the epitaxial layer 3 including the diffusion layer 4 of reverse conductivity, a channel region 5 of reverse conductivity which is matched with the gate electrode 8 and is provided to the epitaxial layer 3 in connection to the diffusion layer 4 of reverse conductivity and a source region 6 which is matched with the gate electrode 8 and is provided to the channel region 5.
Patent JP-S59145485-A (JP)
Title: Heat exchanger
Inventor: MIYOSHI NOBUTAKA
IPC: F28D7/02
Filed: 1983-02-07
Abstract: PURPOSE:To simplify the structure and to increase the strength so as to improve the reliability, by combining concentrically two cylindrical pipes having different diameters, interposing helical heat transfer pipes between the cylindrical pipes, and allowing the heat of the fluid flowing through the heat transfer pipes to exchange for the heat of the fluid flowing between the cylindrical pipes. CONSTITUTION:The inner cylindrical pipe 2 has a diameter smaller than that of the outer cylindrical pipe 1, and extends through side plates 3a, 3b to be inserted concentrically in the outer cylindrical pipe 1. A plurality of the heat transfer pipes 8a constitute heat transfer pipe groups 8 that are wound helically around the inner cylindrical pipe 2 with the distance (D) between the adjacent heat transfer pipe groups being greater than the distance (d) between adjacent heat transfer pipes. An inflow port 4 for a fluid that flows between the inner and outer cylindrical pipes 2, 1 and an outflow port 7, which is in communication with the heat transfer pipes 8a via a duct 10a, for a fluid that flows in the heat transfer pipes 8a, and an outflow port 5 for the fluid that flows between the inner and outer cylindrical pipes 2, 1 and an inflow port 6, which is in communication with the heat transfer pipes 8a via a duct 10b, for the fluid that flows in the heat transfer pipes 8a are provided to the opposite end sections of the outer cylindrical pipe 1 respectively. Thus the structure is simplified, the heat exchanger can be made small-sized, the productivity and heat transfer performance are improved and the strength is improved.
Patent JP-S62175766-A (JP)
Title: Method for developing electrostatic charging image
Inventor: ASANAE MASUMI
IPC: G03G9/083
Filed: 1986-01-29
Abstract: PURPOSE:To obtain the image with high quality and having a less tendency for falling the image density by supplying a ferrite carrier and a magnetic toner in a prescribed mixing ratio to a developing agent periodically. CONSTITUTION:When the electrostatic charging image formed on a selenium drum is developed using the developing agent composed of a mixture of the ferrite carrier and the magnetic toner by means of a magnetic brushing method. The ferrite carrier has 2-7X10<9>OMEGA.cm of volume resistivity and 74-149mum of a particle size distribution. The magnetic toner contains a polyester resin and 60wt% of the magnetic powder having saturation magnetization of 80-85emu/g. The ferrite and magnetic toner mixture having the compounding ratio of (1/28)-(1/24) is supplied to the developing agent periodically. As a fixing resin, polyester resin is necessary to use from view points of the fixing and the offset resisting properties. The non-linear polyester resin which is formed by one or more kinds of polyols and one or more kinds of polycarboxylic acid is more preferable.
Patent JP-H06229793-A (JP)
Title: Flowmeter
Inventor: YANATORI HIROAKI
IPC: G01F1/28
Filed: 1993-02-04
Abstract: PURPOSE:To obtain a flowmeter which can measure flow rate with high sensitivity and accuracy without requiring any pressure introduction pipe or differential manometer. CONSTITUTION:The flowmeter comprises a pipe body 11 for carrying fluid, an orifice plate 12 comprising an elastic plate having an opening 12a and secured to the pipe body 11 at the peripheral end thereof, a plurality of strain gauges 13 fixed to the orifice plate 12 and detect the distortion of the orifice plate 12, and a processing section 17 for converting output signal from the plurality of strain gauges 13 into a flow rate through differential amplification thereof.
Patent JP-H01195370-A (JP)
Title: Electric energy arithmetic unit
Inventor: EGI HIROSHI
IPC: G01R11/00
Filed: 1988-01-29
Abstract: PURPOSE:To obtain an electric energy integration device whose output is continuous by adding the integral value of the instantaneous value from a power converter to the latest integral value in the period when unit pulses from an ammeter are not received. CONSTITUTION:An output pulse B1 from an ammeter 1 is integrated by an electric energy integrator 2 to output a staircase reference electric energy signal B2. A power instantaneous value integrator 4 is reset at the time of outputting the output pulse B1 from the ammeter 1 and integrates a power instantaneous value A1 from a power converter 3 and gives the integral value to an adder 5. An integral value signal A2 is added to the reference electric energy integral value B2 by the adder 5. Thus, an integral electric energy A3 is continuously changed till the next pulse output B1 is outputted form the ammeter 1.
Patent JP-H08207171-A (JP)
Title: Production of roller
Inventor: MURATA KAZUYA
IPC: B65H5/06
Filed: 1995-02-03
Abstract: PURPOSE: To control the thickness of the coating film on the surface of a roller in an extremely simple manner. CONSTITUTION: In a roller producing method forming a coating film on the surface of a roller 1, the whole of the roller is dipped in a soln. 2 capable of forming the coating film and subsequently drawn up, in its axial direction only by the length 1/2 or less the total length of the roller to be again dipped in the soln. After this process is repeated at least once or more, the roller is finally drawn up as a whole in its axial direction to form a coating film on the surface of the roller. In this roller producing method, the whole of the roller is dipped in the soln. capable of forming the coating film and, thereafter, the roller is gradually and slowly drawn up from a certain one point.
Patent JP-H05217838-A (JP)
Title: Substrate inclination of detector
Inventor: FUKUDA KENICHIRO
IPC: G03F9/00
Filed: 1992-02-03
Abstract: PURPOSE:To detect the inclination of a substrate with high accuracy by providing a substrate inclination detector wherein a linear diffraction grating optical coupler is employed with a temperature compensating function. CONSTITUTION:A temperature change DELTAT of an optical waveguide element 12 is monitored at all times by a controlling and processing circuit 23 through a temperature monitor 21 to find a change in an incident angle into an optical waveguide and then an adjustment is made to the measured value of the inclination. Therefore, an offset quantity of a substrate 3 from the specified inclination angle can be detected very accurately. From the obtained offset quantity, the inclination of the substrate 3 is detected with high sensitivity. Since the correlation between a change in incident angle into the optical waveguide element and a temperature change of the optical waveguide element is used, the inclination of a substrate in a stepper or other devices can be detected easily and very accurately and thereby a productivity is increased.
Patent JP-S57132306-A (JP)
Title: Electromagnetic coil and manufacture therefor
Inventor: TANIGAWA TADAYOSHI
IPC: H01F27/29
Filed: 1981-02-10
Abstract: PURPOSE:To firmly fix a junction section by a method wherein a coil lead wire and a coil terminal are inserted in a coil terminal groove and the groove is irradiated by laser beams or the like. CONSTITUTION:A coil terminal groove 6 is cut and provided at the flange section of a plastic spool 1. The end of a magnetic wiring 2 is stranded to form a twisted wire 3 and the tip section 4 is wound on the junction section 7 of a coil terminal 5 to press and insert in the coil terminal groove 6. Next, with the junction section 7 irradiated by laser beams or the like, the terminal 5 and a wire 7 are welded. At that time, the spool 1 is partially melted to harden after stopping irradiation. Therefore, the terminal 5 is firmly fixed.
Patent JP-S60161242-A (JP)
Title: Oil station
Inventor: MIKURA KOUICHIROU
IPC: B60S3/00
Filed: 1984-02-01
Abstract: PURPOSE:To enable to perform smooth cleaning of the interior of a car during supply of oil, by a method wherein the suction hose of a vacuum cleaner is adapted to be capable of being extended to a range where oil-filling can take place. CONSTITUTION:A vacuum cleaner 1 is located in the vicinity of an oil filler 1, and the cleaner 3 is constituted such that a suction pipe 5 is caused to rise from a cleaner body 4, secured on an island 2, so that the upper end thereof is positioned in a level higher than that of the oil filler 1. The suction pipe is horizontally extended through a rotary joint 6, and is coupled to a hose 7 provided at its forward end with a suction nozzle 8. A helically-coiled spring 9 is wound around a portion in the vicinity of the joint of the hose 7 so that the hose 7 is retained in a horizontal direction, and a starting switch 10 and a finish switch 11 are attached to the portion, in the vicinity of the nozzle 8, of the hose. This enables cleaning of a car in position where the car is brought to a stop for the supply of oil.
Patent JP-H09207052-A (JP)
Title: Production managing device
Inventor: YAMAMOTO HIROSHI
IPC: G06Q50/04
Filed: 1996-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a production managing device to indicate information on the process, which is worked in priority, of processes to a worker, in a production line containing a plurality of machining processes juxtaposed with each other. SOLUTION: A process wherein the number of processed products in a stock does not attain the number of subsequent delivering products is selected by an insufficient process selecting part 56. A time required for replenishing of the insufficiency is calculated by a number of delivering products achieving time calculating part 58. The margin of the time having at a subsequent delivery time based on a production plan is calculated by a margin time calculating part 60. A priority order is given, in order, from a product having a low surplus time by a priority order indicating part 62 and the given number of processes are selected from a high order of process. Priority indication is effected on the process by a lamp. This constitution effects high-efficient work and suppresses the occurrence of a deficient and excess stock.
Patent JP-H09212217-A (JP)
Title: Communication equipment
Inventor: ISHIKAWA HITOSHI
IPC: G05B19/05
Filed: 1996-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a communication equipment capable of applying a sequential function chart(SFC) designed in detail on an upstream design stage also to a packaged stage as it is and reducing the cost of the whole system. SOLUTION: The communication equipment 100 is constituted of a large programmable logic controller(PLC) 40 capable of executing the SFC and plural compact PLCs 50-1 to 50-n connected to the PLC 40 through a cable 30, and during the execution of the SFC by the PLC 40, each compact PLC capable of executing a ludder program executes action based upon an execution request outputted from an SFC server 35.
Patent JP-H06318709-A (JP)
Title: Nonvolatile semiconductor storage device and its manufacture
Inventor: KISHI TOSHIYUKI
IPC: H01L29/792
Filed: 1994-02-14
Abstract: PURPOSE:To improve the reliability of a nonvolatile semiconductor storage device by forming MOS transistors in areas on each side of a memory transistor and forming low- and high-concentration areas. CONSTITUTION:A memory gate insulating film 19 composed of a tunnel oxide film 13, silicon nitride film 15, and top oxide film 17 is formed on a semiconductor substrate 11. MOS gate insulating films 21 are formed on the substrate 11 on both sides of the film 19 and a gate electrode 23 is formed on the films 19 and 21. In addition, low-concentration areas 25 of the conductivity opposite to that of the substrate 11 are provided in the matching areas of the film 19 and high-concentration areas 29 of the conductivity opposite to that of the substrate 11 are formed in the matching areas of the films 19 and 21. Moreover, an interlayer insulating film 43 is formed on the entire surface of the substrate 11 and wiring 47 which is connected to the areas 29 through contact holes 45 formed through the film 43 is formed. Therefore, the breakdown voltage and reliability of this nonvolatile semiconductor storage device can be improved.
Patent JP-H10201734-A (JP)
Title: Gradient magnetic field coil for magnetic resonance imaging system
Inventor: OTSUKA MASAYUKI
IPC: G01R33/385
Filed: 1997-01-17
Abstract: PROBLEM TO BE SOLVED: To manufacture at a low cost the gradient magnetic field coils for MRI system of a high current capacity by forming the coil conductors solidified after providing a fluid of high conductivity onto the coil supporter in meeting a coil pattern. SOLUTION: This gradient magnetic field coil 2 consists of a coil supporter 3, a groove 5 engraved into the supporter 3 and a metal 4 poured into the groove 5. The supporter 3 is made to a plate type consisting of such materials as glass-fiber reinforced plastics(FRP), ceramics and the like, forming the groove 5 meeting a spiral-form coil pattern on one surface. A high flowability/ nonmagnetic/high conductivity metal 4 dissolved at a high temperature is poured into this groove 5. Subsequently, this metal 4 is cooled off for solidification in the groove 5 to form a slant magnetic field coil. As a metal 4, for instance, such a metal to be dissolved at a relatively low temperature as solder, tin, zinc and the like is used.
Patent JP-H09214618-A (JP)
Title: Communication equipment and communication system
Inventor: SATO HIROAKI
IPC: G06F21/10
Filed: 1996-02-02
Abstract: PROBLEM TO BE SOLVED: To protect the security of a participant in an electronic conference by using an old server program. SOLUTION: A conference terminal 101 receives a request for participating in a conference from outside by a reception means 102, authenticates the participants by an authenticating means and then the reception means 102 judges the permission/rejection of participating by additionally referring to a file or judging by a user. A permission setting means 104 sets the permission of input/ output operation to a window server 106 from outside by the participant based on the judgement of permission. The judgement can be executed by automatically judging a person inappropriate for participating by referring to the prepared list of names, automatically judging a person appropriate for participating by referring to another list and judging a person who does not come under both lists by displaying the name of the requesting person and allowing a user to judge.
Patent JP-H09189832-A (JP)
Title: Center tensile force body for optical fiber cable, and optical fiber cable using same
Inventor: TANAKA MASAYUKI
IPC: G02B6/44
Filed: 1996-01-09
Abstract: PROBLEM TO BE SOLVED: To obtain a superior center tensile strength body for the optical fiber cable which has long-period reliability. SOLUTION: The center tensile strength body 2 is composed of a strand structure by winding one linear center wire 3 spirally with plural side wires 4 and the surface of the center wire 3 is roughened so as to increase the frictional force of the center wire 3 to the side wires 4. Further, the center tensile strength body 2 is composed of a strand structure by winding the center wire 3 spirally with plural side wires 4 and a coating layer is formed of a material which has a large coefficient of friction on the surface of both or one of the center wire and side wires 4 to increase the stationary frictional force of the center wire 3 to the side wires 4. Further, the stationary frictional force of the center wire 3 to the side wires 4 is set to >=5kgf/20cm.  More further, copper wires are used for the center wires 3 and side wires 4 and the surface roughness of the copper wires is set to >=0.5μm. Otherwise the center tensile strength body 2 of an optical fiber cable formed by arranging many optical fibers 6 on the outer peripheral side of the center tensile strength body 2 along the length of the center tensile strength body 2 is used as a center tensile strength body for an optical fiber cable.
Patent JP-S54111109-A (JP)
Title: Inlet passage in axial-flow fans
Inventor: YAMAGUCHI NOBUYUKI
IPC: F04D29/54
Filed: 1978-02-21
Abstract: PURPOSE: To provide an inlet passage for use in an axial-flow fan wherein the amount of abrasion of the fan in a height direction is levelled to extend the service life of blades by constructing an inlet passage in a manner that the dynamic fan blades has a large peripheral speed and a low dust concentration at the end and a small peripheral speed and a high dust concentration at the root.  
     CONSTITUTION: A section of an inlet passage in an inlet casing 32 is smoothly throttled in order toward a dynamic fan blade 35, and an air current being formed so as to promote the pulsation toward the center of the fan. A diameter D o  of the passage at a minimum section point A is set up so as to be smaller than a diameter D t  of the dynamic fan blade 35, and the section of the inlet passage at section A not being smaller than the passage section of the dynamic fan blades. Accompanying the rotation of the dynamic fan blade 35, dust 41 in air receives the viscous force F v  of air and a centrifugal force F c  toward pulsation, and moving along the dotted arrow toward the root of the dynamic fan blade 35 of small peripheral speeds. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S61178563-A (JP)
Title: Draft tube of waterwheel
Inventor: SHIMIZU YUKIMARU
IPC: F03B11/00
Filed: 1985-02-01
Abstract: PURPOSE:To suppress the exfoliation phenomenon and improve the waterwheel efficiency of a waterwheel having a low head by forming a spread conduit continuously to a conical part and installing a nozzle for pouring high-pressure water from outside a draft tube onto the inside part side in the vicinity of the above-described connection part. CONSTITUTION:The draft tube 1 is equipped with a conical part 1a connected to a waterwheel casing 5 and a bent part 1b, and a spread conduit is formed into elbow form. The opened port 2a of a nozzle 2 is installed into the inside curved part in the vicinity of a connection part between the conical part 1a and the bent part 1b, and the high-pressure water is supplied into the nozzle 2 from the discharge channel outlet side. The draft tube 1 of the waterwheel suppresses the exfoliation phenomenon by pouring water from the nozzle 2. Therefore, the waterwheel efficiency of the waterwheel having a low head can be improved.
Patent JP-H06200702-A (JP)
Title: Manufacture of moving blade
Inventor: MASAKI AKITATSU
IPC: F04D29/38
Filed: 1993-01-08
Abstract: PURPOSE:To reduce weight of a moving blade so as to alleviate a stress by boring numerous holes at one surface of a blade material while fixing a skin plate to one surface of a moving blade main body. CONSTITUTION:One surface 1a of a blade material 1 is formed into a shape in conformity with one surface of a moving blade to be formed. Numerous holes 2 each having a diameter, a depth and a pitch, which are determined by design, are bored within a predetermined range, for detecting a moving blade main body 3. A skin plate 4 having one surface 4a formed into a shape conforming with the other surface of the moving blade to be formed and the other surface 4b formed into a shape in conformity with the other surface 1b of the moving blade main body 3 is fixed to the surface 1b of the moving blade main body 3 by diffusion junction, thereby obtaining a moving blade. In the moving blade such constituted as above, the numerous holes 2 bored in the blade material 1 in design can effectively reduce weight of the moving blade and apply rational required strength to the moving blade.
Patent JP-H07223889-A (JP)
Title: Method for formulating gas producing agent and reservation and transportation thereof
Inventor: YOSHIDA TADAO
IPC: C06D5/00
Filed: 1994-02-15
Abstract: PURPOSE:To produce a durable and strong product formulation of a gas producing agent capable of being efficiently formulated into a suitable form without being accompanied by a danger such as an explosion or a fire. CONSTITUTION:This method for formulating a gas producing agent is to add water in an amount of 5-20wt.% based on a raw material consisting essentially of a compound containing nitrogen and an oxyhalate, knead the resultant raw material, provide a wet mixture, then granulate the prepared wet mixture, afford a wet granule, subsequently dry the wet granule, provide a bulk formulation and further tablet the prepared bulk formulation.
Patent JP-S62176873-A (JP)
Title: Recording method and apparatus using powdery toner
Inventor: KOMON HIROSHI
IPC: B41M5/00
Filed: 1986-01-31
Abstract: PURPOSE:To enable the use of plain paper as recording paper and to enhance the resolving power of an image, by allowing powdery toner particles to fly onto the recording paper not only by ultrasonic vibration but also by magnetic or electrostatic attraction force generated according to an image output signal. CONSTITUTION:A toner supply pipe 3 pierces through a toner supply housing 1 and a mesh member 4 is provided to the lower end of said pipe 3. A piezoelectric element 5 is provided to the upper part of the toner supply housing 1 and ultrasonic vibration is imparted to the housing 1 itself by the operation of said element 5 and powdery toner is sent out. A recording paper feed and support mechanism 6 is provided between the toner supply housing 1 and an attraction force generating mechanism 2 and predetermined recording paper 10 passes therethrough. The attraction force generating mechanism 2 is operated by a controller 7 corresponding to the image signal from a machinery main body such as a facsimile or a computer and, by said mechanism 2, the powdery toner flies through the mesh member 4 to be adhered to the recording paper 10 and a predetermined recording image is formed.