baber/WOPTO huggingface dataset:
Patent JP-H04325458-A (JP)
Title: Thermal shock resistant ferrite material
Inventor: TANAKA MUNEYUKI
IPC: C01G49/00
Filed: 1991-04-23
Abstract: PURPOSE:To obtain thermal shock resistant ferrite having low porosity, excellent thermal shock resistance, high strength, high saturation magnetic flux density and high permeability. CONSTITUTION:This thermal shock resistant ferrite consists of 40-50mol% Fe2O3 10-35mol% ZnO, 3-10mol% CuO and the balance NiO, further contains 0.03-2wt.% at least one of Bi2O3 and PbO and has grain boundaries of 2-50nm thickness made of an amorphous layer consisting of Bi2O3, PbO and impurities.
Patent JP-H10309258-A (JP)
Title: Body cavity examination device
Inventor: HORII AKIHIRO
IPC: A61B1/00
Filed: 1997-05-13
Abstract: PROBLEM TO BE SOLVED: To provide an examination device for the body cavity with which an operator can obtain a visual field at a requested position and with a requested magnification in such a wide range of visual field inside the body cavity as exceeds the visual field angle of a scope by the operators's own operation. SOLUTION: This device for examination inside the body cavity has the top part 3 which has an imaging element 10 to take an image obtained through examination inside the body cavity and a magnification changing means (a zoom lens 8 and an actuator 9) to change a rate of magnification of the image taken by the imaging element 10. The device has also curving means (consisting of plural curving tubes, wires 11a, 11b, 11c, and 11d, pulleys 12a and 12b, gears 13a and 13b, and motors 14a and 14b) to curve the top part 3 at least in two directions, position of interest detecting means (a color marker 18 and a color detecting means) to detect a position of interest, and a drive control means to produce an image to be examined at a position of interest by controlling the drive quantity of the magnification changing means and the curving means corresponding to the detected position of interest.
Patent JP-H07335837-A (JP)
Title: Semiconductor device and logic circuit
Inventor: ISHII TATSUYA
IPC: H01L21/8238
Filed: 1994-06-03
Abstract: PURPOSE:To reduce a junction capacitance by forming a second well region of a first conductivity type under a first well of a first conductivity type source, drain, and second conductive type and forming a third well region of the first conductivity type thereunder. CONSTITUTION:A first p-type well 4 under a source 8 and a drain 9 constitutes a p-type, a n-type well 11 thereunder constitutes a n-type, and a p-type well 2 thereunder constitutes a p-type. A depletion layer is constructed between n-type wells 11 and 12 in addition to the conventional depletion layer by adding a new n-type well 11 into the p-type well, and such a potential distribution that a series combination of all these capacitance of depletion layers become a junction capacitance is formed. The combination of these capacitance enables the junction capacitance to decrease.
Patent JP-S612178-A (JP)
Title: Control method of toner density of electrophotographic device and fixing roller for electrophotographic device
Inventor: KOMATSU SHIGERU
IPC: G03G15/20
Filed: 1984-06-14
Abstract: PURPOSE:To control the temperature of a heat roller precisely with a simple constitution and to control the density of toner efficiently by detecting the change of magnetic characteristics following temperature change through a temperature sensitive magnetic thin layer fitted to a fixing heat roller to control a heating body. CONSTITUTION:A temperature sensitive magnetic thin layer 7 is formed on the surface of the heat roller 5 forming the heat fixing roller 3 together with a pressing rubber roller 4 and the change of the magnetic characteristics which follows the temperature change of the roller 3 is detected by a sensor 14. The heating body 6 built in the roller 5 is controlled through a control circuit 13 on the basis of the detected output of the sensor 14, so that the temperature of the roller 5 is controlled precisely with simple constitution and the density of toner forming a picture is efficiently controlled.
Patent JP-H10311239-A (JP)
Title: Actuator drive circuit
Inventor: NOBUHARA MOCHIKIYO
IPC: F02D41/20
Filed: 1997-05-13
Abstract: PROBLEM TO BE SOLVED: To provide a circuit, the size of which is reduced and which is simplified, as an actuator drive circuit to drive the injector solenoid of for example, an engine. SOLUTION: An actuator drive circuit 10 comprises a boosting converter 11 consisting of a coil L1, a boosting transistor Q1, a capacitor C1 or the like; a series resonance circuit 13 consisting of a fall transistor Q2, a diode D2, a coil L2 or the like; a series resonance circuit 13 consisting of a thyristor Q3, a coil L3, and a capacitor C2; cylinder switching circuits 14A-14D having injection control transistors Q4A-Q4D connected in series to injector solenoids INJA-INJD or the like. The series resonance circuit 13 is connected to the output of the boosting converter 11 and the series resonance circuit 13 and the falling converter 12 are commonly connected to the injector coils INJA-INJD and the cylinder switching circuits 14A-14D.
Patent JP-H11339425-A (JP)
Title: Disc cartridge
Inventor: TSUBURAYA YOSHITANE
IPC: G11B23/03
Filed: 1999-04-28
Abstract: PROBLEM TO BE SOLVED: To simplify the constitution with no need of a magnetic center hub to reduce the size, weight and cost by rotatably mounting a disc retainer on one surface facing a disc in a disc cartridge. SOLUTION: A recess 42 is formed into a disc-facing surface of an upper half 33, a hold plate 43 covering a part of the recess 42 is provided on its entire surface, a mounting part 44 of a disc retainer 41 is loosely mounted in a space defined by the upper half 33 and hold plate 43 and hence can be rotatably mounted in the upper half 33, a shutter is opened, a rotary spindle is inserted in an opened window hole to align a magnetic disc and position the orientation flat, a magnet buried in the top end of the rotary spindle attracts the disc retainer 41 to clamp the magnetic disc and the constitution of the magnetic disc is simplified because of no need of a magnetic center hub.
Patent JP-S61281153-A (JP)
Title: Production of electrically conductive film
Inventor: KOGA SUSUMU
IPC: C08K3/22
Filed: 1985-06-07
Abstract: PURPOSE:To obtain an electrically conductive film having a volume resistivity higher than a specific level and exhibiting uniform resistance,by adding an electrically conductive zinc oxide to a thermoplastic resin, and forming the obtained composition in the form of a film. CONSTITUTION:(A) 100pts.(wt.) of a thermoplastic resin, preferably a polyolefin resin, polyamide or polycarbonate is compounded with (B) 50-500pts. of an electrically conductive zinc oxide, preferably exhibiting a resistance of 10-10<2>OMEGA.cm and prepared by doping zinc oxide with aluminum oxide, and if necessary, (C) an antioxidant, a stabilizer, a pigment, etc. The composition is kneaded uniformly and formed in the form of a film to obtain an electrically conductive film having a volume resistivity of >=10<5>OMEGA.cm and exhibiting uniform electrical resistance. When the composition has high content of the component B, it is formed especially preferably by solution casting method.
Patent JP-H08317421-A (JP)
Title: False afc device
Inventor: KINUGASA NORIHIDE
IPC: H04N9/66
Filed: 1995-05-22
Abstract: PURPOSE: To accurately secure one horizontal frequency without using a PLL loop and to use it in color arranging correction in the specific reproduction of a PAL system magnetic recording and reproducing device. CONSTITUTION: Since a switch 8 selects the first reset pulse of a first reset pulse generator 3 in an ordinary mode, a (1/2).fH pulse based on the reset pulse is obtained. In this case, a counter 7 counts the clock of a voltage controlled oscillator 1, and repeats the reset of a count value when the first reset pulse is generated. In such a case, when a mode is transferred to a specific mode while the count operation of the counter 7 is performed, the switch 8 is switched to second reset pulse generator 6 side, and also, a second reset pulse generator 6 generates a second reset pulse at the order of set count of the counter 7. Therefore, the (1/2).fH pulse based on the second reset pulse is generated successively, and such continuity is guaranteed.
Patent JP-S5823504-A (JP)
Title: Rolling method for bar steel
Inventor: MORITA TAKASHI
IPC: B21B1/02
Filed: 1981-08-05
Abstract: PURPOSE:To reduce a material to be rolled stably by employing flat passes for other pass stages except shaping pass times among reduction rolling passes for square steel and round steel, limiting the aspect ratios after rolling of such passes particularly and rotating the material 90 deg. after the respective rolling. CONSTITUTION:A blank material 1 having a square section is passed through rolling mill stands F1-Fn-2 consisting of horizontal rolling mills having flat rolls, whereby the material is reduced alternately. Thereafter, the material 1 is passed through rolling mill stands Fn-1, Fn consisting of horizontal rolling mills having caliber rolls, whereby the material is rolled. During this time, it is necesary to gnaw the material 1 which is rolled with flat rolls to have 3.0 aspect ratop on the flat roll pair of the next stage by rotating the same 90 deg. with a twister 8. The device 8 is constituted of twist clava 9, twisters 10, and guide rollers 11. After the material is twisted to a certain extent with the clava 9, the material is rotated to 90 deg. with the twisters 10.
Patent JP-S5550230-A (JP)
Title: Strobe controlling quantity of light emission by ultrasonic wave
Inventor: KATAYAMA MASAE
IPC: H05B41/36
Filed: 1978-10-06
Abstract: PURPOSE:To make possible light emission control by ultrasonic waves without increasing power source capacity by stopping a DC-DC converter forming a main capacitor power source for the short time necessary for ultrasonic distance measurement and performing ultrasonic distance measurement within pulse interval. CONSTITUTION:An FF 2 is set by the pulses of the specified interval generated by the oscillation circuit of a distance measuring circuit 1 and the DC-DC converter supplying electric power to the main capacitor for flash tube is temporarily stopped by a strobe stopping circuit 4. On the other hand, a gate 8 is opened, an FF 11 set and a gate 12 opened by a delay circuit 3, start circuit 5 and timer circuit 6. Then the ultrasonic pulses from a transmitter 10 reflects from the subject and are received by a receiver 14, and the distance measurement is accomplished within the short time in the pulse interval through clock counting of a counter 13 until a gate 12 is closed by the reset output of the FF 11, whereby the quantity of light emission is controlled according to the subject distance. Hence, the power source for main capacitor charging and distance measurement is commonly used and the quantity of light emission may be controlled by ultrasonic waves without increasing the power source capacity.
Patent JP-H01290822-A (JP)
Title: Settling device for submerging caisson
Inventor: MATSUOKA KINGO
IPC: E02D23/00
Filed: 1988-05-19
Abstract: PURPOSE:To improve the positioning accuracy of sedimentation by detecting the position of a submerging caisson, enabling a control device to control an operating winch of the caisson to hang the submerging caisson down while correcting the dislocation of position through a position control wire. CONSTITUTION:Hanging winches 4, 4 are mounted above placing barges 2A, 2B which float above the predetermined place of settlement, and hang a submerging caisson 1 through hanging wires 5, 5. Then, multiple caisson operating winches 7A to 7D, 10A, 10B are mounted, and multiple position control wires 6A to 6D, 9A, 9B are linked to the submerging caisson 1. Further, vertical poles 11, 12 are mounted upright on the submerging caisson 1, and thereby the detection of the position of submerging caisson 1 is performed. Then, the submerging caisson 1 is settled down by controlling the caisson operating winches 7A-7D, 10A, 10B by means of a control device, thereby correcting the dislocation from the aimed position.
Patent JP-H06329783-A (JP)
Title: Production of aromatic polycarbonate
Inventor: ENOMORI MASATSUGU
IPC: C08G64/20
Filed: 1993-05-25
Abstract: PURPOSE:To produce a polycarbonate having an excellent color tone through melt polymerization. CONSTITUTION:An aromatic dihydroxy compound is melt-polymerized with a diaryl carbonate in the presence of a catalyst comprising (A) an alkali metal compound and/or an alkaline earth metal compound, (B) an aluminum compound represented by the formula Al(OR1), wherein R1 is a 1-20C monovalent hydrocarbon group, and (C) at least one compound selected from basic nitrogen compounds, basic phosphorus compounds, and boric acid compounds.
Patent JP-2000315720-A (JP)
Title: Semiconductor manufacturing jig made of ceramics
Inventor: MAJIMA KAZUTAKA
IPC: H01L21/68
Filed: 1999-04-28
Abstract: PROBLEM TO BE SOLVED: To contrive to hardly cause a breakage in a semiconductor wafer. SOLUTION: A semiconductor wafer holding recessed part 14 having a curved surface-shaped bottom 14a is provided in the upper side surface of a base material 12 consisting of a silicide ceramics or a carbide ceramics. It is preferable that the base material 12 consists of a dense material silicon carbide sintered body of a density ratio higher than 80% and of a thermal conductivity higher than 30 W/mK. Moreover, it is preferable that grooves 17 of a depth of 3 to 100 μm are radially formed in the curved surface-shaped bottom 14a of the recessed part 14.
Patent JP-H10302989-A (JP)
Title: Discharge lamp illumination system
Inventor: MORI MASAHIRO
IPC: H05B41/24
Filed: 1997-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a discharge lamp illumination system excellent in lighting efficiency, light in weight and high in power by using an AC generator rotationally driven by a small gas turbine to output substantial sine wave AC voltage with a higher frequency than that of a commercial power supply for lighting a discharge lamp. SOLUTION: A three-phase and four-wire type AC generator 3 is connected to a small gas turbine 2 of about 96,000 rpm to be rotationally driven to output 200 V three-phase AC voltage of substantial sine wave 1600 Hz. The output terminals U, V, W of the three-phase AC generator 3 are connected to the input side of a generator circuit breaker 4 and the output terminals R, S, T are connected to a lamp distribution panel 5. To power supply lines L1, L2, L3 from the output terminals (r), (s), (t) of the lamp distribution panel 5 and a line LN from the neutral point output terminal N of the generator 3,200 V (100 W) fluorescent lamp stabilizers 6A-6C and 115 V (40 W) fluorescent lamp stabilizers 7A, 7B are properly connected to light a fluorescent lamp without using an inverter ballast for a high frequency noise source.
Patent JP-S5824552-A (JP)
Title: Preparation of quaternary hydrazinium chloride
Inventor: NAKAYAMA TAKEO
IPC: C07D487/08
Filed: 1981-08-04
Abstract: PURPOSE:To prepare the titled compound useful as a synthetic raw material of a surface active agent, adhesive and amineimide compound, and pesticide, etc., easily, in high yield and purity, by reacting a tertiary amine with the reaction mixture of ammonia water and sodium hypochlorite. CONSTITUTION:The reaction mixture of ammonia water and sodium hypochlorite is obtained by adding sodium hypochlorite to ammonia water while cooling the system to 0 deg.C or below. The reaction mixture is made to react with a tertiary amine (e.g. trimethylamine, N,N,N'N'-tetra-methylethylenediamine, N-methylmorpholine, triethylenediamine, etc.) at -10-+20 deg.C to obtain the objective compound. The reaction is carried out by adding the reaction mixture dropwise to the tertiary amine (or its aqueous solution). The amount of the tertiary amine is nearly equimolar to the chloroamine contained in the reaction mixture, or 0,9-1.1 times mole of the chloroamine.
Patent JP-H0334388-A (JP)
Title: Pressed printed wiring board module
Inventor: DEBITSUTO BENITSUTO HARISU
IPC: H05K7/20
Filed: 1990-05-11
Abstract: PURPOSE: To eliminate the need for using solder to avoid the check of bond zones, re-fusion heat of solder and contamination by pressing a surface mounting device(SMD) to a printed wiring board(PWB). CONSTITUTION: The PWB module is intended to mount SMD in the pressure welding system without using solder, and hence has a fixing means for holding contact pads of electronic components carrier 13 to associated interconnection pads 25. The fixing means is a compressing cover 120 which is fixed to a heat conductive member 90 to apply a pressure to the carrier 13 so as to press the carrier contact pads to the interconnection pads 25. A second surface 100 of the conductive member 90 is set to contact a first surface 65 of a dielectric spacer member 60. Carrier openings 105 of the conductive member 90 are arranged with associated carrier openings 75 in the spacer member 60. The PWB 10, the spacer member 60 and the conductive member 90 are all mutually fixed and welded.
Patent JP-H05294841-A (JP)
Title: Agent for suppressing hepatic disorder
Inventor: NIITSUMA NOBUYOSHI
IPC: A61P1/16
Filed: 1992-04-17
Abstract: PURPOSE:To provide an agent for suppressing hepatic disorder, effective in suppressing the hepatic disorder caused by the intake of high cholesterol food and free from side effect. CONSTITUTION:The objective agent for suppressing hepatic disorder can be prepared by using a hot-water extract of the whole grass of Cuphea balsamona as an active component. The agent exhibits excellent hepatic disorder suppressing effect to suppress a hepatic disorder index GPT by about 70%. The agent does not depress the cholesterol level in blood and, accordingly, the hepatic disorder suppressing effect of the agent is supposed to be caused by the action on the liver rather than by the inhibition of the cholesterol absorption.
Patent JP-H08323627-A (JP)
Title: Honing system
Inventor: YUUJIN EI SUUEIN
IPC: G03G5/04
Filed: 1996-05-17
Abstract: PROBLEM TO BE SOLVED: To provide a honing system for simultaneously honing a plurality of light receiving body base bodies. SOLUTION: A honing system includes at least one support assembly having movable support structure 14 and a planetary array comprising a plurality of movable supporting arms 16. Each supporting arm 16 can hold at least one base body 18. A honing chamber surrounds a plurality of support base faces to perform honing. The honing chamber includes a nozzle for spraying a honing solution uniformly to a plurality of base bodies 18 so as to form a smooth non-reflecting surface on each base body 18.
Patent JP-S62279770-A (JP)
Title: Simplified data source and sink
Inventor: ONO TADAO
IPC: H04M11/00
Filed: 1986-05-28
Abstract: PURPOSE:To constitute an inexpensive system with simplified constitution, by sending the data of a data source and sink to a master station automatically, only at the time of ringing a call tone from the master station for from one to two times. CONSTITUTION:A slave station 6 receives a call signal from a master station 1, and in case of ringing for three or more times, it is connected to a telephone set 7, and performs a general call job. Meanwhile, in case of ringing for from one to two times, the data from the slave station through a data source and sink 8 is sent to a master station 1 via public telephone circuits 9A, 9B, and 9C, and exchanges 2 and 3 in a central telephone exchange. Thus, the data is sent to and received by the master station 1, only in case of ringing for from one to two times. Since a network control unit is made unnecessary by constituting the system as mentioned above, it is possible to constitute the inexpensive system with the simplified constitution.
Patent JP-H04330391-A (JP)
Title: Scroll compressor
Inventor: SUGAWARA TAKEHIRO
IPC: F01C17/06
Filed: 1991-04-26
Abstract: PURPOSE:To prevent the occurrence of seizure and excessive wear between a key part and a relative slide member by forming a screw hole in a ring body and screwing the key part in the screw hole, in an Oldham's ring located between the frame of a scroll compressor for an air-conditioner and a moving scroll. CONSTITUTION:Screw holes 22 are formed in 90 deg. phase displacement in the upper and under surfaces of an annular ring 21 of an Oldham's ring 20. Key parts 23 each having a square head are screwed in the respective two screw holes 22 from the upper surface of the ring body 21 with a 180 deg. relation therebetween. Two key parts 24 formed of other material are screwed in the screw holes 22, formed in the under surface of the ring body, for mounting. In this case, a moving scroll is formed of an Al material, a frame formed of a Fe material, the key part 23 locked in the groove of the moving scroll and formed of an Fe material, and a key part 4 locked in the groove of the frame and formed of an Al material.
Patent JP-H02304220-A (JP)
Title: Balk ring for clutch type transmission
Inventor: NAKAYAMA NORIO
IPC: F16D23/02
Filed: 1989-05-18
Abstract: PURPOSE:To improve the resistance against wear and improve friction characteristic of a balk ring arranged in a synchronous mechanism of a transmission by forming the balk ring with sintered steel and treating its surface with steam and nitriding. CONSTITUTION:An input shaft 3, an idler shaft 4 and an output shaft 5 are disposed in parallel to each other in a case 2. A first speed gear 6 and a second speed gear 7 are mounted on the idler shaft 4. Balk rings 15 are disposed on both sides of a clutch ring 14 and a clutch gear 12. The balk ring 15 is made of sintered steel and its surface is treated by steam and nitriding. Anti-wear and friction characteristic of the balk ring are thus improved.
Patent JP-S611449-A (JP)
Title: Method and device for producing continuously composite material
Inventor: MIYAZAKI TAKESHI
IPC: B22D19/14
Filed: 1984-06-14
Abstract: PURPOSE:To prevent the generation of casting defects and to produce continuously a composite material by extruding a metal from between a hollow mandrel and a die to form a metallic pipe and filling the molten metal through the hollow mandrel into the metallic pipe. CONSTITUTION:A metallic wire 4 contacts with the driving wall surfaces 3 of driving wheels 1 under rotation and is conveyed by the frictional force thereof in the rotating direction when the wire 4 is supplied into a pipeline 7. The wire 4 is conveyed and packed into an assembling chamber 8 and is continuously extruded from the space between the hollow mandrel 11 and the die 10, by which the metallic pipe 9 is formed. The top end of the pipe 9 is crushed and closed by a crushing mechanism 18 and the molten metal 4 is supplied and filled from a tundish 13 through the hollow hole 12 of the hollow mandrel 11 into the successively formed pipe 9. The molten metal 14 filled into the pipe 9 is indirectly cooled by the cooling water sprayed from the nozzle 17.