baber/WOPTO huggingface dataset:
Patent JP-H0560994-A (JP)
Title: Optical scanner
Inventor: KOIDE JUN
IPC: B41J2/44
Filed: 1991-09-03
Abstract: PURPOSE:To reduce the load of a motor due to the air resistance by cutting a single block to work it into a form having plural polygonal mirror parts of the same form and a cylindrical intermediate part connecting them. CONSTITUTION:A rotating polygonal mirror 11 consists of two polygonal mirror parts 11a and 11b and a cylindrical intermediate part 11c connecting these parts 11a and 11b, and a single metallic block is worked into this rotating polygonal mirror 11 by cutting. In this case, two laser beams emitted from laser oscillators 11a and 11b are converted to luminous fluxes of parallel rays by collimator lenses 14a and 14b and are focused on upper and lower polygonal mirror parts 11a and 11n of the rotating polygonal mirror 11 by cylindrical lenses 13a and 13b. Luminous fluxes deflected by the rotating polygonal mirror 11 pass scanning lenses 16a, 17a, 16b, and 17b, and the upper laser beam is directly led to an image carrier 18a, and the lower laser beam is reflected by a reflection mirror 19 and is led to an image carrier 18b.
Patent JP-H02101610-A (JP)
Title: Head core of magnetic head and its manufacture
Inventor: TORIO JIRO
IPC: G11B5/23
Filed: 1988-10-07
Abstract: PURPOSE:To perform recording and reproduction superior in S/N by adhering a nonmagnetic gap film with thickness equivalent to reproducing gap length on the gap butting plane of both cores, and filling molten glass by pressurizing contact with mutual gap butting planes. CONSTITUTION:Mirror surface grinding is applied on the butting plane of a ferrite block, and a photoresist is applied and the exposure development is performed on a prescribed pattern, and after that, a recessed part 25 with depth equivalent to the difference of recording gap length Gl1 and reproducing gap length Gl2 is formed as leaving plural belt parts 24 with pitch P at width equivalent to reproducing track width TW2 by ion shower etching. Next, plural track grooves 26 are formed at equal pitch as leaving track width TW1 for recording centering the width TW2, and the ferrite block 27 can be obtained. Weanwhile, a winding window 10 and a groove 28 for glass melting are provided on another block 22, and furthermore, a groove 26 is formed at the pitch P as leaving the width TW1. The nonmagnetic gap film 17 with thickness equivalent to the reproducing gap length Gl2 is formed on the gap butting plane, and both blocks 27 and 29 are adhered by melting a glass bar 30 after butting the parts of track width TW1, then, it is cut as shown in alternate long and short dash line.
Patent JP-S62113071-A (JP)
Title: Polarity judging circuit
Inventor: TANAKA KIYOTOSHI
IPC: G01R19/14
Filed: 1985-11-12
Abstract: PURPOSE:To prevent a trouble from being caused when a power supply is connected to a polar signal line by judging the polarity on the side of the power supply by a microcomputer and, when a disagreement is present in polarities, closing a switch after operating a polarity inverting relay. CONSTITUTION:The input port P3 of a microcomputer 1 is connected to the side of a power supply and the polarity of a power supply line is judged. When the polarity disagrees with that of one of two polar signal lines 2, the microcomputer 1 outputs signals from an output port P1 to excite a relay coil X1 and changeovers relay contacts X1-1 and X1-2. Then the polarities are again judged and, when an agreement is obtained, signals are outputted from an output port P2 to turn on a transistor Q1, thus connecting the power supply to the polar signal lines 2.
Patent JP-2000081062-A (JP)
Title: Brake member
Inventor: HANZAWA SHIGERU
IPC: C04B35/83
Filed: 1998-09-08
Abstract: PROBLEM TO BE SOLVED: To improve impact resistance and lighten the weight by constituting a brake member of a fiber composite material provided with a yarn aggregate integrating a carbon fiber bundle and yarn containing carbon components except for the bundle three-dimensionally and matrices composed of Si-SiC material filled between the yarn. SOLUTION: A fiber composite material 7 is so formed that several hundreds- several ten thousands of carbon fibers of the diameter approximately 10 μm are bundled to be formed into yarn 2A, 2B, these are arranged two-dimensionally or three-dimensionally, and a C/C composite formed by matrices composed of carbon by a chemical vapor impregnation method is used therein as a base material. The carbon component except for the carbon fiber is carbon powder. The matrices composed of Si-SiC material are filled in adjoining yarn in the yarn aggregate 6. This constitution can arrange the Si-SiC material layer, which is superior in abrasion resistance, oxidation resistance, anti-creeping performance, and spalling resistance in the presence of oxygen at a high temperature, on the surface so as to conquer the low oxidation resistance.
Patent JP-H1077275-A (JP)
Title: Production of epoxyoxopholone
Inventor: OKADA HIROYUKI
IPC: C07D301/12
Filed: 1996-09-04
Abstract: PROBLEM TO BE SOLVED: To obtain epoxyoxopholone easily on operations in a high yield without requiring the complicated adjustment of pH by epoxidizing oxopholone in the presence of an alkaline buffer solution. SOLUTION: Oxopholone of formula I is epoxidized with hydrogen peroxide in the presence of an alkaline buffer solution to produce epoxyoxopholone of formula II. The alkaline buffer solution is e.g. the aqueous solution of sodium bicarbonate-sodium carbonate mixture, boric acid-sodium chloride-sodium hydroxide mixture or glycine-sodium hydroxide mixture, and is adjusted to a pH of 9-13. The alkaline buffer solution and the hydrogen peroxide are used in amounts of 1-100 times weight and 1.2-1.5 equivalents, respectively, on the basis of the oxopholone of formula I, and the epoxidation reaction is performed at 0-50 deg.C for 1-10hr. The compound of formula II is useful as an intermediate for synthesizing carotenoids and as a perfume, etc., and has the approximately same flavor as those of conventional compounds.
Patent JP-H03117018-A (JP)
Title: Output buffer circuit
Inventor: SHIBATA KAZUO
IPC: H03K19/0175
Filed: 1989-09-28
Abstract: PURPOSE:To suppress the generation of an ionization current even in case a negative voltage is impressed to an output terminal and to prevent the malfunction of an output buffer circuit when the output terminal is turned to a high impedance state by serially connecting a depression type MOS transistor which gate is connected to the output terminal. CONSTITUTION:In the output buffer circuit using two enhancement type MOS transistor circuits E1 and E2 which are serially connected, the drain and source of a depression type MOS transistor D1, which gate is connected to an output terminal T4, are inserted between the source and GND of the enhancement type MOS transistor E2. Thus, even when the transistor E2 is turned on, the ionization current is not generated by the transistor E2 because the circuit is separated from the GND by the transistor D1, and the malfunction of the internal circuit can be prevented from being generated by the increase of a semiconductor base potential.
Patent JP-H0890650-A (JP)
Title: Manufacturing device of uneven molded sheet
Inventor: NAKANISHI MOTOYASU
IPC: A43D29/00
Filed: 1994-09-22
Abstract: PURPOSE: To manufacture efficiently an uneven molded sheet which is uniform and has favorable quality, by a method wherein a laminated body produced by adding further base cloth to a base board and stencil is pressurized and an elastomer liquid raw material which is in existence on the stencil is heated and made to harden. CONSTITUTION: A magnet base support device 2 holding a magnet base 20 by bearing from the lower part and a traverser device 3 conveying a base board B or a stencil H onto the magnet base 20 for mounting are provided. Then a raw material coating device 4 casting an elastomer liquid raw material into a hole part of the stencil and coating the same with the elastomer liquid raw material and a squeegee device 5 removing the excessive elastomer liquid raw material on the top of the stencil H are provided. Hereby, a heating device 6 pressurizing a laminated body comprised by adding a base cloth further to the base board B and stencil H, and the elastomer liquid raw material which is in existing in the hole part of the stencil H is heated and made to harden is provided at least.
Patent JP-H02302385-A (JP)
Title: Metallization of aln ceramic material with cu by ar ion mixing
Inventor: KATO YOSHINAO
IPC: C04B41/88
Filed: 1988-10-07
Abstract: PURPOSE:To improve the bonding strength of a Cu layer by radiating Ar ion from the surface of a Cu layer against an AIN ceramic material while forming a Cu layer on the surface of the ceramic by Cu evaporation. CONSTITUTION:Cu is evaporated upward from an electron beam-heating evaporation source 3 placed at the intermediate part of a vacuum chamber 1 and the evaporated Cu is deposited on an AIN ceramic material placed on a rotary specimen holder 2. At the same time, Ar gas ions are radiated upward from the lower bucket-type ion source 4 at a rate of 1X10<15> to 1X10<16> ions/cm<2> and mixed at the surface of the AlN ceramic material to form a mixing layer. Thereafter, Cu evaporation process is exclusively performed to form a metallized layer consisting of a deposited Cu layer having stable bonding strength and a thickness of 5,000 to 10,00Angstrom .
Patent JP-S63107924-A (JP)
Title: Antiretroviral agent
Inventor: NAKAJIMA HIDEKI
IPC: A61K31/505
Filed: 1986-10-25
Abstract: PURPOSE:To obtain an antiretroviral agent, containing 2',3'-didehydropyrimidine nucleoside as an active ingredient having excellent antiretroviral action as well as high safety. CONSTITUTION:An antiretroviral agent containing a compound expressed by formula I (X is NH2 or OH: Y is H when X is NH2 and CH3 when X is OH), a e.g. 2',3'-dideoxy-2',3'-didehydrocytidine as an active ingredient. The dose of the compound expressed by formula I is normally 0.1-10g, preferably 0.2-5g per day for an adult and administered once or in several divided portions. The compound expressed by formula I is obtained by treating a 3',5'- anhydropyrimidine nucleoside expressed by formula II with a strong base, e.g. potassium tert-butoxide, etc., in dimethyl sulfoxide.
Patent JP-S61131840-A (JP)
Title: Machine tool unit
Inventor: NAKAHARA YOSHIKI
IPC: B23Q1/01
Filed: 1984-11-30
Abstract: PURPOSE:To make warming-up time reducible and superprecision machining performable, by forming a spindle and a bearing, constituting a headstock in a machine tool, with a silicone nitride ceramic material. CONSTITUTION:A bed 2 is mounted on an upper part of a frame 1, while a headstock 4 made up of a ceramic material, supporting a spindle 3 made up of the ceramic material likewise, is locked onto this bed 2 by means of a locking device such as a lap joint or the like. And, the spindle 3 is connected so as to be rotated by a spindle driving motor 6 set up at a lower part via a V-belt 5. Among them, at the headstock 4, the spindle 3 supporting a work is supported on one side by a rear bearing 41 while the other side by a front bearing 42, respectively, and formed so as to cause driving force to be transmitted from the V-belt 5 engaged with a pulley P, via a coupling C.
Patent JP-2000087135-A (JP)
Title: Induction heating and hardening apparatus for shaft member with foot
Inventor: ITO DAIJI
IPC: C21D1/10
Filed: 1998-09-09
Abstract: PROBLEM TO BE SOLVED: To provide an induction heating and hardening apparatus for shaft member with foot particularly having the large foot part, such as flange. SOLUTION: This apparatus is provided with a heating coil 10 for induction- heating a hardening part in the shaft member W, a cooling means 20 for jetting a cooling liquid onto the hardening part in the shaft member W moved to a cooling position, and moving means 25, 26 for moving and holding the shaft member W between the heating coil position and the cooling position. The cooling means 20 is disposed separately from the heating coil 10. The heating coil 10 for the shaft member W with the foot having two or more steps of step parts 2, 3 is provided with two or more of arc-state conductors 11, 13, 16 surrounding the shaft outer peripheries 2, 3 in the hardening parts and the arc-state conductors with the adjacent steps are connected to each other so that the current flow in mutually reverse direction.
Patent JP-H0196771-A (JP)
Title: Recognizing system for circular arc part
Inventor: TAKASAKI TOSHIHITO
IPC: G06V10/44
Filed: 1987-10-08
Abstract: PURPOSE:To increase the recognizing speed of a circular arc by extracting broken line component points that turned dot string image data into a broken line and deciding whether the continuous component points are equal to the circular arc part or not for recognition of the circular arc part. CONSTITUTION:A program memory 30 stores a broken line forming program 31 which turns the dot string image data 41 containing dot string picture elements into a broken line and a circular arc part recognizing program 32 which separates circle/circular arc part data 52 from broken line data 51. A CPU 20 processes the data 41 stored in a picture memory 40 based on the program 31 stored in the memory 30 and stores the data 51 in a data memory 50. Then the CPU 20 separates the circular arc part from the data 51 stored in the memory 50 based on the program 32 of the memory 30 and stores said circular arc part in the memory 50 as the data 52.
Patent JP-H05217615-A (JP)
Title: Coaxial cable throughlet
Inventor: KUIERU OROFU HANSON
IPC: H01R13/658
Filed: 1992-09-24
Abstract: PURPOSE: To provide a coaxial cable throughlet that is simple in structure, is reliable, and can easily and rapidly be installed. CONSTITUTION: A coaxial cable throughlet for screening signals transmitted between two adjacent screening spaces includes a coaxial cable 1 having electric connectors 2 at both ends for signal transmission and screen plates 3 located between the two spaces, inside recesses 5a, 5b provided within side walls 4a, 4b surrounding the cable 1 and facing each other. The screen plate 3 comprises two identical plate halves, each of which has a rectangular plate having elastic tongue-shaped objects provided along its three sides and a hollow part located in its center, the height of the hollow part being half the length between the spaces; an opening for the coaxial cable is bored in the center of the hollow part, and the two plate halves are soldered together with their hollow parts matching each other.
Patent JP-H11142094-A (JP)
Title: Portable weapon
Inventor: SCARAMUCCI SERGIO
IPC: F41C7/00
Filed: 1998-09-09
Abstract: PROBLEM TO BE SOLVED: To obtain a rifle or a shotgun having a gliding barrel by forming the housing and the stock as a unit through plastic molding, providing a metallic insert in the housing and containing optional accessories in the hollow stock. SOLUTION: The housing 3 and the stock 5 are formed as a unit through plastic molding and a metallic insert 11 is provided in the housing 3. The insert 11 is constructed of a box type body corresponding to the cross-section of the housing 3 by forming a reverse U-shaped cross-section including a front part 13 comprising a plate 15 having a threaded joint 23 for tubular magazine and a semicircular joint 17 receiving the barrel of a weapon. Furthermore, the stock 5 is made hollow so that optional accessories can be contained therein and coupled through a grip region 7 with the housing 3 to provide a grip means.
Patent JP-S62114337-A (JP)
Title: Transmission power control system
Inventor: SHICHIRI MOTOHIRO
IPC: H04B7/15
Filed: 1985-11-13
Abstract: PURPOSE:To hold a normal satellite communication line by providing a compensating signal generator, which compensates the transmission level in accordance with the loss of radio wave propagation due to rainfall or the like, to supply a signal in a specific level. CONSTITUTION:The signal from a pilot signal generating circuit 11 and that from a device 12 for communication are synthesized by a synthesizing circuit 13, and the output is inputted to a transmission level control circuit 14 and is transmitted to a satellite through a power amplifier 15, a feeding system 2, and an antenna 1. The reception signal returned from the satellite is inputted to a coupling circuit 3 through the antenna 1 and the feeding system 2 and is mixed with the compensating signal in a specific level generated and supplied by a generator 4, and the output is sent to a device 7 for communication, a compensating signal receiver 8, and a pilot signal receiver 9 through an amplifier 5 and a branching circuit 6. A comparing circuit 10 compares the level of the compensating signal with that of a pilot signal, and the circuit 14 adjust and controls the transmission level.
Patent JP-H08126087-A (JP)
Title: Horn speaker support device
Inventor: KONDO MASAYUKI
IPC: H04R1/30
Filed: 1994-10-20
Abstract: PURPOSE: To improve the workability with compact configuration by fixing a horn speaker and a cabinet to both ends of an elastic rib with a connection boss having a mount part so as to attenuate the vibration of the speaker. CONSTITUTION: A connection boss 7 having a boss 7b to be fitted to both ends of an elastic rib 7a and a mount hole 7c is provided to an upper and lower as one pair to fix a horn panel 2 and a font cabinet 3, the forward/backward vibration of the speaker 1 changes its direction by the rib 7a to attenuate the propagation of the forward/backward vibration of the speaker 1 to the front cabinet 3 and a buffer material 10 provided to a tip of the horn panel 2 attenuates the changed vibration. Thus, the forward/backward displacement of the horn panel 2 is reduced.
Patent JP-H1084408-A (JP)
Title: Portable electronic equipment
Inventor: SHIMOKAWA KAZUYA
IPC: H04W88/02
Filed: 1996-09-06
Abstract: PROBLEM TO BE SOLVED: To prevent the consumption of battery due to useless lighting by providing a means for detecting a surrounding lightness, a means detecting a specific time, and lighting a back light at a specific time, only when the surrounding lightness is a prescribed preset value or below. SOLUTION: A back light on signal is given to an input terminal 1 at a specific time (e.g. when power is applied to the portable electronic device being a portable telephone set, key is operated and an incoming call is received or the like). A light sensor is fitted to a proper position at the surrounding of the device to detect the lightness of the surrounding at all times, a voltage is received from an input terminal 2, the voltage is compared with a reference voltage received from an input terminal 3 at a comparator 4, and when the input voltage from the light sensor is lower than the reference voltage, the on signal is given to an AND circuit 5. Thus, only when the surrounding lightness is a prescribed predetermined value which has been decided by the reference voltage or below, is a back light 6 lit up at a specific time for lighting the display section.
Patent JP-H08117614-A (JP)
Title: Catalyst body and its manufacture
Inventor: NUMAMOTO HIRONAO
IPC: B01D53/86
Filed: 1994-10-20
Abstract: PURPOSE: To manufacture a catalyst body which is used for catalytically burning kerosene, etc., and is excellent in flexibility and strength by combining a sheetlike fibrous processed body and porous cores made of ferrite stainless steel, then forming the combined material into a wavy shape and thereafter, binding the components of the resulting formed body with a catalyst component consisting essentially of powdery activated alumina. CONSTITUTION: This catalyst body 3 is manufactured by combining a sheetlike fibrous processed body 1 (e.g. paper) consisting essentially of inorganic fiber and porous cores 2 that are joined to the surface part of the body 1 and consist of ferrite stainless steel contg. aluminum, then forming the combined material into a wavy shape and thereafter, binding or fixing the sheetlike fibrous processed body 1 and the porous cores 2 with a catalyst component consisting essentially of powdery activated alumina on which a noble metal component is deposited.  In this manufacture, the sheetlike fibrous processed body 1 and porous cores 2 are formed into a wavy shape while pressing them to stick them to each other and the resulting formed body is cut into base materials having prescribed length and the resulting base materials are immersed in a catalyst slurry that consists essentially of activated alumina contg. a noble metal component and then the catalyst impregnated base materials are dried and thereafter subjected to heat treatment.
Patent JP-H04135301-A (JP)
Title: Dielectric filter
Inventor: FUJIYAMA YOSHITADA
IPC: H01P1/212
Filed: 1990-09-27
Abstract: PURPOSE:To obtain an enough attenuation in the state of suppressing a loss in a passing band at a minimum by providing an attenuation band pass filter using a distributed constant type resonator which impedance is smaller than that of a dielectric coaxial type resonator. CONSTITUTION:A band pass filter 2 composed of more than one dielectric coaxial type resonators, and an attenuation band pass filter 1 using the distributed constant type resonator, whose resonance frequency is in the passing band of band pass filter 2 and whose impedance is smaller than that of the dielectric coaxial type resonator, are provided. Namely, the impedance of the resonator used for an attenuation band is set so as to become smaller than the impedance of the dielectric coaxial type resonator used for a pass band. Thus, in combination with the filter 2, the enough attenuation can be obtained in the state of suppressing the loss in the pass band to a minimum.
Patent JP-2001070723-A (JP)
Title: Production of filter
Inventor: MATSUMOTO KAZUHIKO
IPC: B01D46/52
Filed: 1999-09-09
Abstract: PROBLEM TO BE SOLVED: To provide a filter reduced in the leakage of air from the end edge part of a filter medium, a method and jig for producing the same and a filter unit wherein the filter is housed in a framework. SOLUTION: The sheet member 7 to be bonded to the end edge part of a filter medium 2 is laid so as to be matched with the receiving members of a bottom plate and the press plate having the receiving members is arranged on the sheet member 7 so that the receiving members are opposed to each other and an adhesive is poured in the groove formed between the receiving members and the end edge part of the filter medium 2 is fitted in the groove before the adhesive is solidified to bond the end edge part of the filter medium 2 to the sheet member 7.
Patent JP-H1197575-A (JP)
Title: Package structure for electronic parts
Inventor: KONDO KENJI
IPC: H01L21/60
Filed: 1997-09-19
Abstract: PROBLEM TO BE SOLVED: To provide a package structure which can prevent a contact failure between a BGA package and a multi-layer printed circuit board even if an external shock is applied thereto. SOLUTION: In the outermost electrode 2a at the outer peripheral part (region X) of a plurality of electrodes 2 arranged in an array, an extraction wiring 9 can be load out from inside a polygon made by straight lines joining the centers of neighboring outermost electrodes 2a. Since the part to which the largest stress concentration is applied by an external impact is outside the polygon, the extraction wiring 9 which tends to separate the bump is not provided in the region, which prevents the solder bump from being stripped.