baber/WOPTO huggingface dataset:
Patent JP-S54122011-A (JP)
Title: Direct-current loop circuit
Inventor: UEKI ISAMU
IPC: H04Q3/00
Filed: 1978-03-16
Abstract: PURPOSE:To obtain a miniature and economical DC loop circuit for an automatic switchboard with the circuit constitution which can be IC-implemented. CONSTITUTION:Bias circuit 38 consists of transistor 22, resistances 23, 25 and 26, and capacitor 24, and the DC impedance is varied linearly from a biased voltage value. Constant-current circuit 39, consisting of diodes 27, 28, 34, and 35, transistors 29 and 33, and resistances 30 to 32, should have a value for the compensation as much as the above-mentioned biased value. Then, above-mentioned bias circuit 38 and above-mentioned constant-current circuit 29 are connected in parallel.
Patent JP-S58148660-A (JP)
Title: Power control circuit
Inventor: FURUTA MASAMI
IPC: H02M1/08
Filed: 1982-02-25
Abstract: PURPOSE:To suppress the production of noise by conducting a 3-terminal thyristor which is connected in series with a load via a current of a capacitor which discharges a charging voltage at the prescribed value to be turned ON or OFF with a frequency lower than the frequency of a commercial power source. CONSTITUTION:A load 2 is connected in series with a commercial power source 1, a reverse blocking 3-terminal thyristor 41 is connected through a full-wave rectifiers 31-34, thereby forming a main circuit. On the other hand, the power source 1 is connected through a diode 35 to a capacitor 61, a discharging circuit having a resistor 53 and a thyristor 42 is formed at both ends of the capacitor, and a self-exciting current of the thyristor 41 is bypassed by a transistor 71. Accordingly, several cycles of the power source 1 are rectified via the capacitor 61 to charge the capacitor 61, the capacitor 61 is then discharged to bypass the gate of the thyristor 41, thereby setting the several cycles to the length of  ON and OFF period, and reducing the high frequency effective value of the noise produced at the ON time.
Patent JP-H06240132-A (JP)
Title: Polyamide resin composition and casing body for electronic equipment
Inventor: NISHII KOTA
IPC: C08L77/10
Filed: 1993-02-18
Abstract: PURPOSE:To obtain a polyamide resin composition to be molded useful as a housing material for thin-wall portable equipments and excellent in water and chemical resistance, fluidity in molding, mechanical properties and rigidity with hardly any warpage and deformation and a casing body for electronic equipments such as a personal computer and a word processor having <=2mm average plate thickness by molding this polyamide resin composition. CONSTITUTION:This polyamide resin composition is obtained by blending 100 pts.wt. resin composition composed of 20-80wt.% aromatic polyamide resin and 80-20wt.% modified polyphenylene ether resin (the sum total of wt.% thereof is 100wt.%) with 0.5-30 pts.wt. liquid crystal polymer, 0.01-3 pts.wt. compatibilizer, 2-40 pts.wt. inorganic filler and optionally a rubber component. A resin molding is excellent even when the wall thickness is <=2mm, more preferably <=1mm.
Patent JP-S60173755-A (JP)
Title: Magnetic recording and reproducing device
Inventor: OBATA SHIGEO
IPC: G11B15/61
Filed: 1984-02-18
Abstract: PURPOSE:To prevent an increase of a tape tension to prevent tape damage by winding a magnetic tape along a rotary head cylinder at the second winding angle narrower than the first winding angle in a special reproducing state. CONSTITUTION:If the tape tension is increased at a reverse reproducing time or the like, a tape incoming-side guide post 7a is moved along a loading ring 21 to set a winding angle thetac of a magnetic tape 1 to a rotary head cylinder 3 to a value smaller than a winding angle thetab for recording/reproducing. The height and the inclination of the tape incoming-side guide post 7a are controlled by a special reproducing guide stopper 20 so that the magnetic tape 1 is run along a lead 15 of a lower cylinder 5. The running course of the magnetic tape 1 is corrected by a tape running correction post 22 so that the tape is not slackened neither creased between a tape leading-out post 12 and the tape incoming-side guide post 7a. Further, the winding angle of the magnetic tape 1 to the tape incoming-side guide post 7a is wider as shown by alpha in case of recording/reproducing but is narrower as shown by beta in case of special reproducing.
Patent JP-H03234497-A (JP)
Title: Method for cutting end material of multiple color extruded material
Inventor: SATOU HIROMI
IPC: B29L30/00
Filed: 1990-02-13
Abstract: PURPOSE:To automatically and effectively cut both side edge parts of an off- specification band extruded material by reforming an unvulcanized off- specification band extruded material into an angular form by a reforming roll after alignment and centering, and continuously and vertically cutting body the side edge parts by a cutter device. CONSTITUTION:When an unvulcanized off-specification band extruded material W is fed in from an alignment roller conveyor 18 side, the extruded material W is centered by a centering device 20 and inserted between the protruding roll 21a and recessed roll 21b of a reforming roll 21. At that time, the extruded material W is reformed into an angular section with a determined angle by the roll 21 and fed out to a cutter device 1 side as it is, and only the triangular side edge parts 22 of the extruded material W are cut by disk cutters 3a, 3b rotated in vertical state. Then, the cut side edge parts 22 are laterally separated and discharged, while the center part of the extruded material W is carried to the next process by a roller conveyor 19.
Patent JP-H10214985-A (JP)
Title: Solar-cell cover
Inventor: KITAMURA ATSUSHI
IPC: H01L31/04
Filed: 1997-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a solar-cell cover which is hard to contaminate. SOLUTION: In a solar-cell cover, a substantially transparent surface layer in which photocatalytic particles, a water-repellent silicone and a substance which is used to prevent the water-repellent silicone from becoming hydrophilic due to the photoexcitation of the photocatalytic particles are contained is formed on the surface of a transparent-cover base material. Alternatively, a substantially transparent layer in which photocatalytic particles and a water-repellent silicone are contained is formed on the surface of a transparent-cover base material, and a material which is used to prevent the water-repellent silicone from becoming hydrophilic due to the photoexcitation of the photocatalytic particles is fixed to at least a part on the surface of the layer.
Patent JP-S5210584-A (JP)
Title: Twisted power cable having no center space
Inventor: MIYAZAKI TAKAO
IPC: H01B7/282
Filed: 1975-03-11
Abstract: PURPOSE: To prevent the leakage of water from the center space of the power cable twisted by three single cables and used for power distribution under the ground. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S59155109-A (JP)
Title: Winding for natural cooling induction electric apparatus
Inventor: TSUTSUI KENZOU
IPC: H01F27/28
Filed: 1983-02-24
Abstract: PURPOSE:To improve the cooling efficiency of the titled electric apparatus by a method wherein, in the winding for natural cooling induction electric apparatus, the horizontal fluid path located between the disc-shaped unit windings of the highest temperature rising part is made larger than the other part. CONSTITUTION:A horizontal fluid path 3 is formed between windins by superposing a plurality of disc-shaped unit windings 2 in axial direction through spacers, a vertical fluid path 5 is formed between an insulating cylinder and a winding by arranging an insulating cylinder 4 on the inner circumferential side of the disc-shaped unit winding, and the winding for natural cooling induction electric apparatus is constituted in such a manner that a cooling medium is flown by a natural reflux through the vertical fluid path 5 and the horizontal fluid path 3. When the upper end of the winding is set at 100, the end U of the winding is arranged within the range of 325q+13<=h<=32.5q+38 [(q) indicates the heat flow speed (w/cm<2>) on the surface of the winding] in height direction, and the interval of horizontal fluid path between each winding within said range is made larger than that on the outside of the range.
Patent JP-S57146382-A (JP)
Title: Detector for inserting direction of paper pile
Inventor: KAN TOMIO
IPC: G06K7/015
Filed: 1981-03-04
Abstract: PURPOSE:To enable to read information even for paper sheet inserted from any direction and to achieve easy use of a device by the user, by providing a detector detecting the direction of insertion near the insertion slit of paper sheet. CONSTITUTION:A detector 12 detecting the insertion of paper sheet 3 is provided at the inside of a paper sheet inserting slit 8 of a divice reading the information of the paper sheet 3, and when the paper sheet 3 is inserted, carrying rollers 10 and 10' are driven, and the paper sheet 3 is carried in the direction of detectors 13-15 detecting the inserting attitude of the paper sheet 3 located on a carrying path 9. Inserting direction detecting marks 6 and 7 are described at both ends of an information reading area 5 of the inserted paper sheet 3. The detection marks 6 and 7 of the paper sheet 3 carried at the detection region of the detectors 13-15 are read with any of the detectors 13-15 so that the information of the region 5 can be read even if the paper sheet 3 is inserted from any direction, front/back/forward/reverse directions, allowing to simplify the use of the device by the user.
Patent JP-2000229951-A (JP)
Title: Production of pyridazin-3-one derivative
Inventor: YANAGAWA MASAO
IPC: C07D241/18
Filed: 1999-02-08
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound in an industrially advantageous way by heating a specific carboxylic acid derivative in the presence of a calcium salt to effect its cyclization along with reduction in the fluorine ion concentration of the reaction system. SOLUTION: This compound of formula II [e.g. 2-(2-fluoro-4-chloro-5- hydroxyphenyl)-4-methyl-5-trifluoropyridazin-3-one] is obtained by heating a carboxylic acid derivative of formula I (X is H or a halogen; Y is a halogen; and R is H or a 1-3C alkyl) or a salt thereof (e.g. a salt with an organic base such as a cyclic amine, secondary amine, dialkylaniline derivative or tertiary amine) in the presence of a calcium salt (e.g. calcium carbonate) to effect cyclization of the compound of formula I. The above reaction is carried out either in a solventless state or in a solvent such as an aliphatic hydrocarbon, aromatic hydrocarbon, halogenated hydrocarbon, ether, ketone, acid amide or alcohol, normally at 80-250 deg.C, pref. at 100-160 deg.C, for several minutes to 72 h.
Patent JP-S62191441-A (JP)
Inventor: EDOWAADO SHII RIAN
IPC: H05K3/46
Filed: 1987-02-13
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-H02210995-A (JP)
Title: Color solid-state image pickup device
Inventor: TABEI MASATOSHI
IPC: H04N5/3728
Filed: 1989-02-10
Abstract: PURPOSE:To widen the frequency band of each color required for color reproduction and to improve the picture quality by arranging minute filters corresponding to color component lights as a mosaic as to odd and even number groups of the image pickup element. CONSTITUTION:N-set of mosaic minute color filters in the horizontal scanning direction X and M-set of mosaic minute color filters in the vertical scanning direction Y are provided corresponding to the arrangement of the image pickup element of the microcolor filters of a photodetection region 1. The image pickup elements of four rows arranged in the direction Y are used as one group and different filter arrangement is adopted corresponding to the odd number group and the even number group. Two rows are used as one set from the upper part, each set is divided sequentially for odd number and even number fields A, B at an interval of one, the signal charge is read for each field to attain the interlaced scanning of the NTSC system.
Patent JP-S62188279-A (JP)
Title: Field effect transistor
Inventor: MIZUNO HIROBUMI
IPC: H01L21/31
Filed: 1986-02-13
Abstract: PURPOSE:To prevent the characteristics from deteriorating due to influence of outside air by means of forming a passivation film as an insulating film comprising three layers, i.e., a nitride film, an oxide film and another nitride film. CONSTITUTION:A gate electrode 10 comprising titanium 5 and aluminum 4 in Schottky contact with a working layer 3 is formed in a recessed part of the working layer 3. Besides, a passivation film comprising a three layer insulating film made of a silicon nitride film 6A, a silicon oxide film 7 and another silicon nitride film 6B is formed on the working layer 3. In such a constitution, semiconductor elements can be insulated perfectly from outside air not to be affected thereby.
Patent JP-H06243191-A (JP)
Title: Timing verifying circuit
Inventor: OTA NAOTO
IPC: G01R31/26
Filed: 1993-02-19
Abstract: PURPOSE:To perform timing verification of maximum and minimum period specifications of a clock without generating a verification model in a specific language by adding a timing verifying circuit. CONSTITUTION:Fall detecting circuits 2 and 5 which detect the falling of the input signal from an input terminal 1, high level width discrimination period generating circuit 3A and 6 which generate the width discrimination period to become the high level by the delay output of the input signal, a high level width discriminating circuit 9 which discriminates the high level width by the outputs of high level width discrimination period generating circuits 3A and 6 and by the outputs of fall detecting circuits 2 and 5, a rise detecting circuit 7 which detects the rising of the input signal, low level width discrimination period generating circuits 4A and 8 which generate the width discrimination period of the low level by the input signal and its delay output, and a low level width discriminating circuit 10 which discriminates the low level width by outputs of low level width discrimination period generating circuits 4A and 8 and the rise detecting circuit 7 are provided, and OR between outputs of discriminating circuits 9 and 10 is outputted and is connected to the clock input terminal of a flip flop 12 of logic cells in a specific sequence.
Patent JP-H11226358-A (JP)
Title: Metal carrier for waste gas cleaning having high reaction efficiency and manufacture thereof
Inventor: TOKUNAGA YOSHIKUNI
IPC: B01D53/86
Filed: 1998-02-12
Abstract: PROBLEM TO BE SOLVED: To provide a metal carrier structure and a method of its manufacture excellent in reaction efficiency and cleaning characteristics at the time of starting an engine and superior in productivity. SOLUTION: A metal carrier 1 for cleaning waste gas wherein a metal flat foil 2 having a large number of protrusions 3 and holes 4 is wound in a spiral state to form a cylinder and a gap between neighboring foil of the spiral cylinder is connected with each other by the protrusions 3 in such a manner as to keep a clearance, and a gas is allowed to pass through the cylinder via the clearance is provided. For efficiency of production, the holes are made by punching the metal flat foil 2 and at the same time small pieces of the flat foil corresponding to the holes 4 or part of them are not wholly cut from the foil 2 but are deformed in the state of being connected so as to form the protrusions 3.
Patent JP-H09202670-A (JP)
Title: Porous ceramic-reinforced metal-based composite material and its production
Inventor: OGAWA JUNICHI
IPC: B22D19/14
Filed: 1996-01-25
Abstract: PROBLEM TO BE SOLVED: To improve the isotropy and uniformity of physical properties, heat resistance and strength by heating a formed compact of an aluminum borate whisker-forming raw material mixture and pressing a metal into void parts of the resultant porous ceramics having the produced aluminum borate whiskers therein. SOLUTION: An aluminum compound is mixed with a boron compound so as to provide 9:(2-6) molar ratio of Al2 O3 :B2 O3 and 0.1-10wt.% (expressed in terms of NiO) nickel compound is then added to the resultant mixture to afford an aluminum borate whisker-forming raw material mixture, which is then compression formed to provide a formed compact. The resultant compact is subsequently heated at 1100-1400 deg.C in air to afford porous ceramics having fine communicating voids of mutually bonded aluminum borate whiskers and 50-95% void ratio. The prepared ceramics are preheated and a metal for a matrix in a molten state is pressed into the void parts. The resultant ceramics are then cooled to solidify the metal.
Patent JP-H06241765-A (JP)
Title: Displacement sensor
Inventor: KAMEWAKA SHINICHI
IPC: G05D3/12
Filed: 1993-02-19
Abstract: PURPOSE:To output the precise optional function signal for the prescribed displacement without being affected by the fluctuation of a clearance by storing at least the data related with the movement of multiple detecting means in a memory means in advance. CONSTITUTION:A magnetic displacement sensor 9 is arranged facing a magnetizing body 8 apart from it by a clearance (d). A magnetic sensor A 14 and a magnetic senior B 15 are fixed to the magnetic displacement sensor 9 apart from each other by a distance (a). The gain and offset of the magnetic sensor A 14 and the magnetic sensor B 15 are adjusted by gain/offset adjusting circuits 16, 17, analog values are converted into digital values by A/D converters 18, 19, the recorded data are read out from an electrically writable read-only memory PROM 20, and the prescribed output is obtained at an output terminal 21.
Patent JP-H09223131-A (JP)
Title: Document processor
Inventor: AKIYAMA HIROSHI
IPC: G06F17/24
Filed: 1996-02-19
Abstract: PROBLEM TO BE SOLVED: To display a scale having a scale interval based upon the format information of a prepared document together with the document and to make it possible to recognize a printed-out result even on a document preparation screen. SOLUTION: A display position of a variable scale is instructed by a cursor key on a keyboard in an input device or a pen, information of a position is detected from the instructed positron, the scale pitch of the variable scale is prepared by referring to the line shift pitch of document information displayed on the instructed position, the number of character points, a character interval, a character enlarging magnification, etc., and the prepared variable scale data are sent to a synthetic processing part 5. The processing part 5 synthesizes the document information and the variable scale data and the synthetic data are displayed on a display 8 through an output control part 6.
Patent JP-S54122464-A (JP)
Title: Door fitting device of tableware drier
Inventor: KIMURA TSUTOMU
IPC: F26B25/12
Filed: 1978-03-15
Abstract: PURPOSE: To make a door and the inside of a door housing room easily cleanable by arranging the door housing room on a main case and composing the door of an upper door and a lower door which are connected slidably.  
     CONSTITUTION: On a main case 1, a door housing room 4 is made: on ist both sides, semicircular notches which are falcrums are formed: on both sides of the entrance 25 of the door housing room 4, semicircular falcrums 26 which hold the notches 24 pivotably and hang a door 14 consisting of an upper door 15 and a lower door 16 slidably connected in the state to close the case are provided: the top surface 27 is made of elastically deformable material. By so doing, if the door 14 is pivoted on the falcrums 26 by pulling the handle 22, tablewares 11 can be taken out or put in freely, and if the lower door 16 is slid into the upper door 15, the entire door 14 can be removed or housed into the door housing room 4 by applying upward force to the door 14 deforming the top surface 27 elastically and releasing the coupling of the falcrums 26 and the notches 24. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H03236187-A (JP)
Title: Planar heater molding
Inventor: HOSOKAWA TOSHIHIRO
IPC: H05B3/20
Filed: 1990-02-09
Abstract: PURPOSE:To obtain a planar heater which has good thermal efficiency and does not directly transfer heat to a user by holding a heating wire rod on the whole face of a flexible skin material, arranging it between dice, injecting thermosetting synthetic resin in the heat-fused state, and pressing and integrally molding them. CONSTITUTION:A heating wire 1 is stuck on the lower face of a skin material 2, which is arranged between dice 3A, SB. The dice 3A, 3B are coupled while fused synthetic resin 4 is fed into the die 3B, and the fluid synthetic resin molding material 4 is spread to corner sections of the dice 3A, 3B and molded. The unnecessary section 2a of the skin material 2 and the molding unnecessary section 5 are removed from a molding P to complete it. Polypropylene, an inorganic filler material, a pigment, and an electrification preventing agent may be added to the synthetic resin 4.
Patent JP-S52114693-A (JP)
Title: Preparation of novolak resins for use in fibers
Inventor: OKAMOTO TADAYOSHI
IPC: C08G8/04
Filed: 1976-03-19
Abstract: PURPOSE: To obtain novolak resins for use in fibers, having excellent thermal stability, by reacting phenols with aldehydes in the presence of distillates obtained in the rapid distillation of crude novolak resins. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S60175289-A (JP)
Title: Cassette tape recorder
Inventor: OOUCHI KATSUROU
IPC: G11B33/02
Filed: 1984-02-20
Abstract: PURPOSE:To prevent the opening of a cassette cover in a slide contraction mode by controlling the turning movement of the cover when the cassette tape recorder main body is contracted. CONSTITUTION:In a slide expansion mode a tape cassette 4 can be stored into a tape recorder, and a cassette cover 2 can turn centering on a turning fulcrum 8. Thus the cassette 4 can be loaded and unloaded. The cover 2 can be slided and contracted after the cassette 4 is unloaded. In a slide contraction mode a rib 3 provided on the inner surface of the cover 2 is first guided by a guide slope part 7a of a cassette tape recorder main body 1 and engages a groove 7. In such a way, the cover 2 is slided and contracted and turned into a form having small lateral width with excellent portability. While the turning of the cover 2 is inhibited in a slide contraction mode since the rib 3 engages the groove 7.
Patent JP-H06243454-A (JP)
Title: Magnetic recording medium and magnetic storage device
Inventor: SUZUKI HIROYUKI
IPC: G11B5/738
Filed: 1993-02-19
Abstract: PURPOSE:To decrease disk noises at a high recording density by forming Co-Cr- Ta alloy films having a crystalline structure of a hexagonal closed-packed structure as, for example, ferromagnetic layers after formation of nonmagnetic ground layers on a substrate and forming Co-Cr-Ta alloy intermediate regions which have the crystalline structure of likewise the closed-packed hexagonal structure and are mainly paramagnetic on the surfaces of these alloy films, then further forming Co-Cr-Ta magnetic layers which are ferromagnetic thereon. CONSTITUTION:The metallic ground surface layers 12, 32 consisting of thin films of a Cr system, etc., are provided on the substrate 11 consisting of tempered glass, etc., and the ferromagnetic layers 13, 33 of the Co-Cr-Ta alloy films having the closed-packed hexagonal structure are formed adjacent thereto. The intermediate regions 14, 34 of the Co-Cr-Ta alloys which have the crystalline structure of likewise the closed-packed hexagonal structure and are mainly paramagnetic are formed on the surfaces thereof. Further, the magnetic Co-Cr- Ta layers which are ferromagnetic are formed thereon, by which the disk noises at the high recording density are decreased.