baber/WOPTO huggingface dataset:
Patent JP-S62274024-A (JP)
Title: Manufacture of fine-grained steel
Inventor: AKUTAGAWA YOICHI
IPC: C22C38/14
Filed: 1986-05-20
Abstract: PURPOSE:To obtain a non heattreated medium-C steel material having a fine- grained structure, superior toughness and satisfactory strength by heating a steel contg. prescribed percentages of C, Si, Mn and Al as essential components to the Ac3 transformation point or above and by hot rolling the heated steel at a regulated finish rolling temp. CONSTITUTION:A steel contg., by weight, 0.24-0.65% C, <=0.5% Si, <=0.2% Mn and <=0.06% Al or further contg. one or more among <=0.1% Nb, <=0.1% V, <=0.05% Ti and 70-210ppm N is heated to the Ac3 transformation point -1,200 deg.C, e.g., to about 790 deg.C in case of S48C to allow carbide and ferrite to enter into a solid soln. in austenite. The heated steel is hot rolled at a finish rolling temp. of 750 deg.C- the Ar3 transformation point -20 deg.C. Thus, a non heattreated medium-C steel material having a fine-grained homogeneous structure is obtd.
Patent JP-S5740727-A (JP)
Title: Magnetic head device
Inventor: FURUICHI SHINJI
IPC: G11B5/23
Filed: 1980-08-22
Abstract: PURPOSE:To improve the precision of erasure gap width by adding an erasure gap restricting material to recording head. CONSTITUTION:A magnetic head consists of a magnetic head core 7 for recording and reproduction, a head core 2 for erasure, and a nonmagnetic auxiliary plate 4, and in the magnetic head core 7, a notched part 10 is formed. The notched part 10 is equivalent to erasure gap width 9. The width of the head core 7 can be made greater than recording and reproduction track width by the erasure gap width and while high-efficiency electromagnetic conversion characteristics are obtained by a decrease in magnetic resistance, high track density is attained easily. The notched part 10 is charged with a nonmagnetic material, such as glass or resin, to prevent the breaking of the core. This charged nonmagnetic material serves as the restricting material of the erasure gap.
Patent JP-S5450163-A (JP)
Title: Method of manufacturing semiconductor unit
Inventor: HIRAIWA ATSUSHI
IPC: H01J61/34
Filed: 1977-09-28
Abstract: PURPOSE: To provide a method of manufacturing semiconductor unit, which comprises the steps of etching a plurality of metal layers successively from the upper layer to the lower layer, and then forming external conecting electrodes with no overhand on te upper metal layer by way of etching with etching liquid for etching only the upper layer, while a mask pattern being attached thereon.  
     CONSTITUTION: Insulating layer 22, wiring layer 23 made of aluminum or the like, chip passivation film 24, Ni-Cr layer 25, Pd layer 26, Au layer 28, and photo-resist film 27 are successively placed on semiconductor substrate 21, ad then layers 28, 26 and 25 are subjected to etching successively. Thereafter, overhanging portions of layer 28 as shownin fig. (c) are removed by carrying out etching in use of an etching liquid such as aqueous liquid of iodine and ammonium iodide, that etches only the Au layer 28 (inclusive of layer 26), while the photo-esist film 27 being attached thereon. Finally, after removing resist film 27, bonding wires are attached onto the surface of au layer 28 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5240065-A (JP)
Title: Lead frame
Inventor: TANIMOTO MICHIO
IPC: H01L23/48
Filed: 1975-09-26
Abstract: PURPOSE: To form the ends of lead frame to a larger size by mutually sliding the ends thereby improving the yield of wire bonding. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S62272417-A (JP)
Inventor: UIRIAMU ERUSUWAASU BITEII JIYU
IPC: H01H71/04
Filed: 1987-05-12
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-H11287238-A (JP)
Title: Heating roller
Inventor: FUJITA TAKASHI
IPC: F16C13/00
Filed: 1998-04-24
Abstract: PROBLEM TO BE SOLVED: To improve a temperature distribution over the whole surface of a roller by arranging a heating layer, in which a plurality of heating elements made of a PTC characteristic substance are connected together in parallel electrically in the roller axial direction according to a pattern arrangement on the same plane, in a heating roller for a fixing device for an electronic photocopy machine and the like. SOLUTION: In a heating roller 1, a mold releasing layer 11 is formed in the outer circumference of a base body 12, while on the inside face of the base body 12, an insulating layer 13, a heating layer 14, and an electrode are arranged. The heating layer 14 is formed by connecting two heating elements R1 , R2 made of PTC characteristic material together in parallel electrically in the roller axial direction according to a pattern arrangement on the same plane.  In usage of this kind of heating roller 1 as a fixing roller, for example, when a temperature of the left side heating element is lowered because of passage of paper and the like, resistance of this heating element is reduced and a heating value V<2> /R1 is increased higher than N<2> /R2 , so that the temperature in the axial direction of the heating roller 1 works so as to be unified, and consequently, the temperature of the heating layer 14 is unified.
Patent JP-S596017-A (JP)
Inventor: YURA MASAKI
IPC: A47J19/00
Filed: 1982-07-02
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-S5240112-A (JP)
Title: Recorder and reproducer of image signals
Inventor: YOSHIMATSU MORIO
IPC: G11B20/02
Filed: 1975-09-25
Abstract: PURPOSE:Track length, that is, the diameter of guide drum is reduced and equipment is made compact by providing two or two sets of rotary heads which scan tape or sheet simultaneously and having them respectively record and play low band and high band components of image signals.
Patent JP-S609294-A (JP)
Title: Circuit abnormality informing method
Inventor: OOE SHIGERU
IPC: H04M3/22
Filed: 1983-06-29
Abstract: PURPOSE:To inform the abnormality of a circuit to a caller without increasing remarkably hardware by providing a means for generating an alarm which is different from a regular busy tone, when out of synchronism is detected, on a control device connected to a switchboard. CONSTITUTION:Call control devices 13-A-13-C are connected to a switchboard 11 through each circuit 12-A-12-C, centering around the switchboard 11 of a digital telephone system 10, and digital telephone sets 14-A-14-C are connected to each device 13-A-13-C, respectively. Also, a regular hybrid 21, hook detecting part 24, control part 25, transmitting part 26, synchronization detecting part 27 and a receiving part 29 are provided on said each device 13-A-13-C, and also a switching part 22, alarm sound generating part 23 and a signaling part 28 are provided newly. In such a way, when the detecting part 27 detects out of synchronism, an alarm sound which is different from a regular busy tone is generated from the generating part 23, and the abnormality of the circuits 12-A-12-C is informed to a caller.
Patent JP-H0412943-A (JP)
Title: Feed device for sheet-like body
Inventor: MATSUYAMA SHIGERU
IPC: G03G15/00
Filed: 1990-05-02
Abstract: PURPOSE:To surely separate and feed a sheet-like body one by one at introducing of the sheet-like body to an outward transport means by intercepting sucking force from a sucking transport means acting on the sheet-like body by a suction intercepting means. CONSTITUTION:When transport of a sheet-like body D by an outward transport means 46 is detected by a transport detecting means S1, a suction intercepting means 34 is driven to rotate by a driving means, and positioned between a sucking transport means 33 and the sheet-like body D. Hereby, because sucking force by the sucking transport means 33 is not applied on the sheet-like body D, the sheet-like body D is transported only by transporting force by the outward transport means 46.
Patent JP-S598315-A (JP)
Title: Winding for transformer
Inventor: NONAKA SHIGEO
IPC: H01F27/32
Filed: 1982-07-06
Abstract: PURPOSE:To equalize the temperature of each section of a winding section by constituting the winding section in a polygonal shape with corner sections at the opposite position of a spacer. CONSTITUTION:A plural stage of the winding sections 13, in which strands are wound in a discoid shape, are stacked on the outside of an internal insulating cylinder 11, in which a plurality of duct rails 8 are set up to a poly-circumferential surface at regular intervals, in the axial direction through a plurality of the spacers 4, which are fitted to the duct rails 8 and arranged in the radial directions, and a radial cooling path 15 is formed. An external insulating cylinder 12 is set up on the outsides of the winding sections 13, and internal axial cooling paths 16 and external axial cooling paths 17 are constituted. Each winding section 13 is constituted in polygonal shapes with the corner sections in the opposite sections of the spacers 4. Accordingly, width in the radial directions of the cooling paths 17 can be widened toward a central section, and the temperature of each section of the winding sections 13 can be equalized.
Patent JP-H11290276-A (JP)
Title: Observation apparatus
Inventor: KOBAYAKAWA YOSHI
IPC: G02B21/36
Filed: 1998-04-10
Abstract: PROBLEM TO BE SOLVED: To shorten an observation optical path by simplifying the construction on the perimeter of eyepieces while securing a space between the eyepieces and eyes to be observed. SOLUTION: A light source 16 for a target is presented to eyes eL of a person to be observed and the direction of the visual axis is calculated from a relative positional relationship between pupil images currently obtained and cornea reflection images 9' generated in the eyes eL of the person to be observed by an infrared LED light source 9. Focusing detection of an observation optical system and the eyes E to be examined is performed using a signal of a video camera 11 corresponding to the direction of the visual axis.
Patent JP-H07322634-A (JP)
Title: Control method of inverter and inverter device
Inventor: NAKADA HIROSHI
IPC: H02M7/48
Filed: 1994-05-30
Abstract: PURPOSE:To eliminate the need for complicated control, and to control even the waveform distortion of output currents from an inverter at a small value by alternately inverting the positive and negative polarity of a PWM-modulated pulse train using a since wave signal and a carrier signal and exciting the primary side of a transformer by an obtained high-frequency AC signal. CONSTITUTION:A rectangular wave signal, which has the same frequency as a carrier signal formed from a rectangular-wave signal generator and in which the phase is shifted by a quarter period, and first to fourth pulse train signals are exclusively ORed by an XOR circuit, thus acquiring first 'to fourth' pulse train signals. These first 'to fourth' pulse train signals are output to a gate drive circuit 10, and the on-off of four switching elements Q1-Q4 constituting a high-frequency inverter bridge 4 is controlled. As a result of the on-off control, a high-frequency transformer 5 is excited by the same high frequency as the frequency of the carrier signal, in which the positive and negative polarity of a PWM-modulated pulse train are inverted alternately.
Patent JP-2000306695-A (JP)
Title: Gradient pressure plasma gun
Inventor: SHINTANI MASANORI
IPC: C23C14/32
Filed: 1999-04-23
Abstract: PROBLEM TO BE SOLVED: To provide a plasma gun preventing generation of an abnormal discharge at the beginning of an operation to prevent generation of break of an insulating pipe caused by the abnormal discharge, gas leakage caused by the break, damage to a seal structure in an insulating pipe attachment part, or the like. SOLUTION: This plasma gun 1A has a cylindrical insulating pipe 3A interposed between a cathode mount 13 having a plasma gas inlet 12 in its center part and an annular first middle electrode 14; and a cathode 17 projecting from the cathode mount 13 toward the first middle electrode 14 in a space part within the insulating pipe 3A, and forming a plasma gas passage 16 continuing from the plasma gas inlet 12. An annular body 2A surrounding the cathode 17 in a non-contact state with the cathode 17 is projected from the inner circumferential face of the insulating pipe 3A.
Patent JP-H08281291-A (JP)
Title: Structural body for purifying water of river
Inventor: ARIKAWA MITSUNORI
IPC: E02B3/00
Filed: 1995-04-17
Abstract: PURPOSE: To make it possible to obtain a structural body which realises the purification of water and the assurance of fish reefs by providing the body with rope-like or band-shaped flexible bodies planted with water plants and fixtures attachably and detachably mounted at anchor bolts embedded in the concrete base of a river. CONSTITUTION: The anchor bolts 4 are embedded into the concrete base 2 of the river and the attachable and detachable fixture are installed to the anchor bolts 4. The bottom end of the rope-like flexible bodies 1 are mounted at the fixtures 5. Floats 7 are mounted at the front ends of the flexible bodies 1. Further, the water plants are planted to the flexible bodies 1. The easy embedment of the anchor bolts 4 is made possible at the time of work to place the concrete to the base of the river and the easy mounting of the flexible bodies 1 by the fixtures 5 is possible according to such structural body. Since the flexible bodies 1 are freely attachable and detachable, the exchange of the fresh flexible bodies planted with the water plants previously grown in another place is possible in spite of the putrefaction of the water plants.  Then, the structural body which embodies the purification of the water and the assurance of the fish reefs is obtd.
Patent JP-S5450148-A (JP)
Title: Method of treating waste water
Inventor: SATOU MUNETAKA
IPC: C02F3/10
Filed: 1977-09-28
Abstract: PURPOSE: To carry out aerobic, biological treatment of waste water effectively, by arranging in an aeration tank more than two plates of unwoven fabric or foaming resin having a three-dimenisonal net-like structure, and effecting aeration directly from downwards of said plates.  
     CONSTITUTION: Filler members 2 in the form of plares of unwoven fabric made of synthetic fibres or foaming resin, having a three-dimensional net-like structur, are arranged in an aeration tank 1 with predetermined intervals, in parallel to each other and perpendicularly to the bottom surface of the aeration tank 1. Aeration is effected directly from aerating means 3 such as aerating tube or sparger disposed downwardly of the blocks of said filler members. Thus, by the use of filler material having a special structure, excessive separation of sludge is not caused if treatment of direct aeration is applied, and biological treatment can be carried out at a high efficiency 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H02293733-A (JP)
Title: Production of stereoscopic photograph
Inventor: NAMIKAWA YUKIO
IPC: G03B35/00
Filed: 1989-05-08
Abstract: PURPOSE:To obtain an excellent stereoscopic image by employing plural flat drawing materials, producing plural negative films on which synthetic images wherein relative positions of the drawing materials are different and exposing these negative films via a lenticular screen on the photosensitive material. CONSTITUTION:An original image film 11 is a photograph printed on an opaque photographic paper and is used for a background B. Conversely, an original image film 12 is a photograph printed on a transparent photographic film and is used for a foreground F. An original image film 13 is a photograph wherein a logo is printed on a photographic film, and is used for a subject K. A scale G1 having a reference line L1 is provided at the top of the film 11, and reference lines L2 and L3 are provided at the tops of the films 12 and 13 to confirm a position on the scale G1. To photograph a synthetic picture, three films 11 to 13 are superimposed. Consequently, when the stereoscopic picture is viewed with both eyes, the subject K is viewed clearly in the position the same as the photographic film, and the foreground F is seen closer than the subject K.
Patent JP-S607875-A (JP)
Inventor: TAKECHI KAZUO
IPC: A63B63/00
Filed: 1983-06-28
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-H07324296-A (JP)
Title: Improved pressboard
Inventor: RICHIYAADO REO PUROBOSUTO
IPC: C08J5/18
Filed: 1995-04-18
Abstract: PURPOSE: To obtain an improved aromatic polyamide pressboard having the combination of good resistance against compression, with proper oil absorption. CONSTITUTION: This high density pressboard comprises 20-95 wt.% aromatic polyamide fibrid and 80-5 wt.% high temperature-resistant flock, and has 13-28 vol.% calculated void volume of the pressboard, 0.5-50 mm thickness, <0.20 cm<3> /g mercury intrusion volume Vml at a low surface/volume ratio, 0.08-0.28 m<3> /g mercury intrusion volume Vmh at a high surface/volume ratio, 0.09-0.28 oil absorption Vo by volume in cm<3> /g, 8-24 wt.% oil absorption by weight, and the total available absorption volume Va in cm<3> /g equal to the largest of the values of Vml, Vmh and Vo. The ratio of the Va to the Vml is at least 1.1, and the pressboard is characterized by having a compression set larger than 0.12 mm but less than 0.5 mm.
Patent JP-H05314188-A (JP)
Title: Retrieval processing system for data having range
Inventor: TOMITA JUN
IPC: G06F17/30
Filed: 1992-05-11
Abstract: PURPOSE:To provide the retrieval processing system of data having a range whose processing time can be shortened. CONSTITUTION:At the time of the storage of a record, a range value index to which a lower limit is added corresponding to the index data of an upper limit, and the maximum value in the entire records of a difference between the upper limit and the lower limit are recorded. Then, the scanning range of the index suited to a condition is decided by a condition adaptability upper limit range deciding processing S1 for a retrieving request, the selection of condition adaptability data by the upper limit is operated by an upper limit adaptability data positioning processing S2 and an upper limit adaptability data retrieving processing S3, and the selection of the data by the lower limit is operated in the scanning range of the index decided by the condition adaptability upper limit range deciding processing S1 is operated by a condition adaptability upper limit checking processing S4 and a lower limit adaptability data retrieving processing S5. Thus, the condition adaptability record can be selected by the minimum index scanning.
Patent JP-S598690-A (JP)
Title: Preparation of gaas single crystal
Inventor: TOYOSHIMA TOSHIYA
IPC: C30B11/04
Filed: 1982-07-05
Abstract: PURPOSE:To prepare a GaAs single crystal having high purity and low dislocation density, by using a boat assembly composed of an inner boat made of pyrolytic boron nitride and an outer boat made of a heat-insulating rigid material. CONSTITUTION:The inner boat 1 containing GaAs 4 is made of pyrolytic boron nitride and has a thickness of about 1mm.. The outer boat 2 supporting the inner boat 1 is made of a heat-insulating rigid material, e.g. quartz having a thickness of about 5mm.. The material 5 is a heat-insulating spacer. When 2.5kg of a GaAs single crystal is grown in the boat assembly without doping, a semiinsulating crystal having a specific resistance of 10<7>-10<8> excepting about 20mm. from the rear end of the ingot can be obtained. The dislocation density of the ingot excepting 20mm. from both ends of the ingot is about <=1X10<3>/cm<3>.
Patent JP-S5817207-A (JP)
Inventor: KAWABATA MINEICHI
IPC: B25C5/16
Filed: 1981-07-23
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-H0418287-A (JP)
Title: Floppy disk housing case
Inventor: FUJITA MINORU
IPC: B65D85/57
Filed: 1990-05-08
Abstract: PURPOSE:To obtain an inexpensive floppy disk housing case at a low price by bringing the highly magnetic metal plates for use on a main case body and a lid facing each side of a floppy disk into an elastic engagement with a case by the resilient restoring force of the metal plate itself or the facing parts of the case. CONSTITUTION:A floppy disk housing case is provided with a main case body 1, a lid 2, highly magnetic metal plates 3, engaging pawls 4 and cartridge supporting parts 12. The highly magnetic metal plate 3 is inserted into a case in the direction of the arrow A, while it is being distorted by a supporting point 5, and restored resiliently to the original shape in the position of a solid line to be secured in place. The cartridge supporting part 12 is raised above the surface of the highly magnetic metal plate 3 to avoid the contact between a cartridge and the metal plate 3 when it is placed in the housing case. Since the housing case can be made up of the combination of the resin and metal plates different in nature without using a complex process of applying adhesive and bonding agent, bonding, heat sealing, etc., a magnetically effective floppy disk housing case can be supplied at a low price.
Patent JP-S5451263-A (JP)
Title: Upright vacuum cleaner
Inventor: WATANABE SHIYUUJI
IPC: A47L9/00
Filed: 1977-09-30
Abstract: PURPOSE: To prevent a user from contacting exhaust from the body by means of an exhaust cover for changing the direction of the exhaust stream provided at the exhaust port of an upright vacuum cleaner.  
     CONSTITUTION: A rotary brush 3 provided at a dirt sucking port 1 of a vacuum cleaner is rotated to beat a carpet or the like. The dirt generated is recovered by an electric blower 19 and filtered by a filter 10 to be accumulated into a dirt collecting case 8. The dirt-free exhaust passes through the electric blower cooling thereof and discharged out of the case from an outlet 20. In this precess, to avoid direct discharge of the exhaust, it is brought into contact with an exhaust cover 21 so as to be divided to the right and left from the body case 16. In this manner, a user of the cleaner is exposed to no exhaust otherwise giving unpleasant feeling 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H07318989-A (JP)
Title: Optical gate circuit
Inventor: SUZUKI KENICHI
IPC: G02F1/35
Filed: 1994-05-30
Abstract: PURPOSE:To decide an insertion position of a nonlinear medium without necessity finding the midpoint of a loop in a Sagnac interference type optical gate circuit. CONSTITUTION:The length of the loop is set to nL+DELTAL (n is a positive integer, DELTAL is a positive real number being DELTAL<L) for an optical path length L=TC shown by the product between light speed C in the medium constituting the loop and a period T of a control beam, and the nonlinear media are arranged on any one or more of the positions of mL/2+DELTAG/2 (m is the integer excepting 0, and m=+ or -1, + or -2,...,+ or -n, DELTAG is the real number, and ¦DELTAG¦=TGC<=L/2) from the midpoint M of the loop for a time width TG causing a phase difference to a signal beam.
Patent JP-S5640558-A (JP)
Title: Multiple needle recording electrode holder
Inventor: AMEYAMA MINORU
IPC: B41J3/00
Filed: 1979-09-12
Abstract: PURPOSE: To absorb any influence of expansional difference due to temperature change on the multiple needle recording electrode surface and to remove turbulence and the like of an image by a method wherein one lateral end of the multiple needle electrode is held so that it can absorb its expansional difference to the needle electrode holder.  
     CONSTITUTION: Both lateral ends 2a, 2b of the multiple needle recording electrode 2 are extended and a round and an oblong hole 11, 12 are provided respectively on one end 2a of them and the other 2b. In the center of the needle electrode holder 4 is provided a notch 41 in which the electrode surface 13 of the electrode 2 is protruded and on both sides of it are formed the 1st and 2nd holders 42, 43 respectively. Moreover, there is provided the 3rd holder 48 at a given interval from the 2nd holder 43. The 1st holder 42 and one lateral and 2a of the electrode 2 are fixed by a setscrew 31 through the hole 11. The other lateral end 2b of the electrode 2 is located between the 2nd and 3rd holders 43, 48 and a setscrew 33 is provided through the oblong hole 12. Thus, through an expansional difference appears between the electrode 2 and the holder 4, it will be absorbed by the oblong hole 12, the screw 33. 
     COPYRIGHT: (C)1981,JPO&Japio