baber/WOPTO huggingface dataset:
Patent JP-S57160134-A (JP)
Title: Pellet bonding apparatus
Inventor: YAMAZAKI NOBUHITO
IPC: H01L21/58
Filed: 1981-03-28
Abstract: PURPOSE:To improve the precision of bonding of semiconductor pellet to a lead frame while preventing breakdown of the pellet, by attaching a rotary bed to an X-Y table carrying the semiconductor pellet and detecting and aligning the pellet by means of a detection camera. CONSTITUTION:A bond sheet 14 to which a semiconductor pellet 13 is bonded is set on an X-Y table 12. The X-Y table 12 is fixed to a rotary bed 11 fixed to a base 10 and is fed at a predetermined pitch. As the semiconductor pellet 13 takes a position just under a detection camera 15, the camera 15 discriminates whether the pellet 13 is acceptable or not. If the pellet 13 is unacceptable, the rotary bed 11 and the X-Y table are driven to correct the posture and position of the pellet 13. Subsequently, a bonding head unit 19 is driven to permit a vacuum sucking collet 20 on the end of an arm 21 to attract and hold the pellet 13. The pellet 13 is then transferred and fixed to a lead frame 18.
Patent JP-2000243605-A (JP)
Title: High-voltage suppressing device
Inventor: FUJITA SHIGETO
IPC: H01C7/10
Filed: 1999-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a high-voltage suppressing device which is easily mounted to prevent a discharge from occurring by suppressing a high voltage, by a method wherein a nonlinear resistive layer which varies in resistance with a change in voltage or current is provided on a conductive metal tape. SOLUTION: A nonlinear resistive layer 2 which varies nonlinearly in resistance with a change in voltage (or current) is provided to the surface of a flexible metal tape 1 which is formed of metal such as copper excellent in conductivity. The nonlinear resistive layer 2 is formed through a manner where ZnO powder mixed into a proper organic solvent is applied onto the surface of the metal plate 1 and dried out. Furthermore, a conductive adhesive layer is applied onto either the front or rear of a high-voltage suppressing device 3, by which the device can be easily mounted. The high-voltage suppressing device 3 is of multilayered structure composed of the metal tape layer 1 and the nonlinear resistive layer 2 which varies nonlinearly in resistivity with a change in voltage (or current), so that the nonlinear resistive layer 2 can be easily changed in thickness.
Patent JP-2000244387-A (JP)
Title: Synchronization method and its circuit
Inventor: WAKAMATSU MAKOTO
IPC: H04J13/00
Filed: 1999-02-23
Abstract: PROBLEM TO BE SOLVED: To suppress increase of a circuit scale by temporality storing the signal of a base station to which destination of communication is switched and allowing a radio means and a correlation obtaining means at any branch to operate and establish synchronization with the base station at the destination of switched communication by a control means in a period in which these means are not normally operated. SOLUTION: A synchronizing circuit is provided with a memory 15 which partially holds a reception signal at the time of diversity hand-over(DHO), and a control part 16 which controls the memory 15 or the like. Then, searcher 9, a profile part 11, and a sliding correlator 13 or the like are allowed to perform synchronization with the destination of DHO in a period in which a matched filter which performs an intermittent operation is not operating. Thus, it is not necessary to add any hardware such as a searcher, sliding correlator, or profile exclusively performing synchronization with the base station at the destination of DHO. Moreover, two branch diversity with the origin of DHO are continued, and hence synchronization can be performed without any hit of the communication with the destination of DHO.
Patent JP-S52127796-A (JP)
Title: Sounding device
Inventor: KAWAMOTO AKITO
IPC: H04R3/00
Filed: 1976-04-20
Abstract: PURPOSE: To exactly and easily select the sounding the case of emergency, by generating in a peculiar cycle the sound by the coil for sounding by the simple switch operation. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S52127780-A (JP)
Title: Mos type semiconductor device
Inventor: INOUE MICHIHIRO
IPC: H01L29/78
Filed: 1976-04-20
Abstract: PURPOSE: To remarkably reduce the capacity between the gate and the drain, and the gate and the source, and to raise the interception frequency, by making the gate and the channel the self-matching, in the double diffusion MOS transistor of the planar construction. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S60190611-A (JP)
Title: Lubricating oil pump
Inventor: HAYASHI MASAHARU
IPC: F01M1/02
Filed: 1984-03-08
Abstract: PURPOSE:To improve wear resistance of a sliding part in a bearing hole by casting an inorganic fiber molded body into the sliding part in the bearing hole during die-casting of a pump body, in a lubricating oil pump for an automobile engine. CONSTITUTION:A cover 12 is fixedly mounted on a lubricating oil pump 11 by means of a bolt 13. A shaft 16 is supported via a bearing hole 20. An inorganic fiber molded body is cast into a sliding part of the bearing hole 20 during die- casting of a pump body 11. An oil seal 22 is provided between the pump body 11 and the shaft 16. An O-ring 23 is disposed on a joint surface between the pump body 11 and the cover 12. With such arrangement, the sliding part of the bearing hole is fiber-reinforced, whereby wear resistance can be improved.
Patent JP-S58161236-A (JP)
Title: Mass spectrometer directly-coupled to gas chromatograph
Inventor: YANO MASAYOSHI
IPC: H01J49/26
Filed: 1982-03-19
Abstract: PURPOSE:To secure the best mass spectrum without fail, by detecting a solvent coming out in advance of the influx of each sample component from a gas chromatograph before it flows into a mass spectrometer, while operating a data processor, etc., at proper timing with this detected signal. CONSTITUTION:A gas chromatograph 1 and a mass spectrometer 3 are connected to each other via an interface 4 and a vacuum detector 2 lies between them. A vacuum signal 5 emitted out of the detector 2 enters a signal receiver part 6 and simultaneously distributed to each of timers 7-9, operating these timers 7- 9 all at once. Each of these timers 7 to 9 is set for time in advance to generate a signal in accordance with the inflow peak of a sample into the mass spectrometer 3 whereby signals 10-12 are generated from the start of operation in response to the setting time and these signals enter each control part (a data processor, a recorder, etc., unillustrated herein, by way of example) of the mass spectrmeter 3, setting them in operation. At this time, a proper time is set for individual timers 7-9 to operate each apparatus. Doing like this, the best mass spectrum can be secured with certainty.
Patent JP-S51120749-A (JP)
Title: Device for automatically detecting axial centers of rotating bodies
Inventor: UMETSU HIROSHI
IPC: G01M1/00
Filed: 1975-04-16
Abstract: PURPOSE: To automatically detect axial center positions of the wheels of automobiles and others by detecting the thrust in the axial direction by pressing a measuring roller to the side of any rotating body at a definite pressure. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H11241759-A (JP)
Title: Ball transmission type differential limiting device
Inventor: NAKAMURA AKITOSHI
IPC: F16H48/27
Filed: 1998-02-26
Abstract: PROBLEM TO BE SOLVED: To improve wear resistance by passing a plurality of guide parts through a center plate in a radial direction, movably storing balls, continuously providing bent grooves engaged to the balls on the opposed surfaces of a pair of disc plates in the peripheral direction and making thrust washers alloy steel for which a surface processing is performed. SOLUTION: On the opposed surfaces of a pair of disc plates 3, bent grooves 3b which rollably engage balls 5 are continuously formed in the peripheral direction. On a center plate 4, through oblong holes 4c storing the balls 5 so as to freely roll are provided by being extended at equal intervals in the peripheral direction and in a straight line in the radial direction. Between the plate 3 and a differential case 1 and between the plate 3 and a differential case cover 2, thrust washers 3c are interposed and a surface processing is performed for alloy steel in these thrust washers 3c. The balls 5 are reciprocated along the oblong holes 4c by the guides of the grooves 3b and the balls 5 limit differentiation by reaction received from the contact surfaces with the groove 3b by rotational force from only the one plate 3.  Therefore, wear resistance is imparted to the device and the device can stably be operated and used.
Patent JP-S53129289-A (JP)
Title: Preparation of impact-and weather-resistant thermoplastic resin
Inventor: SHIYOUJI FUSAJI
IPC: C08F285/00
Filed: 1977-04-19
Abstract: PURPOSE: To obtain an impact-and weather-resistant thermoplastic resin having improved tensile strength and gloss, by graft copolymerization of a vinyl monomer in the presence of an acrylic rubber obtained by polymerizing a specific polymer with an acrylic ester. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H08238676-A (JP)
Title: Welding method for thermoplastic resin tube
Inventor: SHIMOKAWA MINORU
IPC: A61M39/00
Filed: 1995-03-06
Abstract: PURPOSE: To simply and effectively execute the thermal welding of thermoplastic resin tubes to each other without seal by inserting a core material into the welded part, heating the material by high-frequency electromagnetic induction, and thermally welding it by the heat transfer. CONSTITUTION: When thermoplastic resin tubes are welded, first a small- diameter tube 1a of the same material as a polyethylene tube 1 is, for example, coaxially superposed on the tube 1. Then, a core material combined with a stainless steel ring 5 corresponding to the superposing allowance 3 on a bakelite of non-heating material is inserted into the tube 1a. Thereafter, the allowance 3 is set to the work coil 4 of an electromagnetic induction welder, and a high-frequency wave is oscillated. That is, the core material is heated by the high-frequency electromagnetic induction, and both the tubes 1, 1a are thermally fusion- bonded by the heat transfer. Thereafter, both the tubes 1, 1a are left to stand to be cooled. Thus, efficient heat source is applied from the interior in a short time, thereby simply and effectively thermally welding the tubes 1 and 1a to each other without seam.
Patent JP-H11315237-A (JP)
Title: Ink composition containing cationic water-soluble polymer
Inventor: KOMATSU HIDEHIKO
IPC: C09D11/00
Filed: 1999-02-23
Abstract: PROBLEM TO BE SOLVED: To obtain an ink composition which can give a recording image having water resistance and high quality by incorporating water, a colorant, a cationic water-soluble polymer, and an inorganic salt into the ink composition. SOLUTION: This ink composition comprises deionized water; 0.5-20 wt.% colorant such as an alkali-soluble oil-soluble dye, a basic dye, a water-soluble acid dye, or a direct dye; 0.1-20 wt.% cationic water-soluble polymer comprising a homopolymer of e.g. polyethyleneimine having a structure selected from among ethyleneimine, allylamine, diallyamine, etc., in the molecule or a copolymer of such a monomer with vinyl acetate or the like and having a weight-average molecular weight of 300-20,000; and 0.5-5 wt.% inorganic salt (e.g. sodium chloride or potassium bromide) present in the state dissociated in the ink.  This composition may additionally contain 5-20 wt.% humectant comprising a water- soluble organic solvent such as ethylene glycol and a saccharide; a penetration accelerator such as a lower alcohol; pH modifier; hydrotropic agent; an antimold; a chelating agent; a preservative; a rustproofing agent; etc.
Patent JP-S57160728-A (JP)
Title: Automatic clutch controlling device
Inventor: OGUMA TOMIO
IPC: F16D48/06
Filed: 1981-03-27
Abstract: PURPOSE:To control the specific sliding according to a vehicle running state along with the smooth control of an engine brake by switching over the control responding to the specific sliding to that not responding to the same and vice versa depending upon the magnitude of a turning ratio of a driving shaft and a driven shaft. CONSTITUTION:Signals from a clutch driving shaft turning sensor 20, a clutch driven shaft sensor 40, a throttle opening sensor 12 and a shift lever position sensor 13 are inputted into a microprocessor 90. The microprocessor 90 judges a velocity ratio (e) of the driving shaft and the driven shaft under each condition, and controls the first clutch for slow starting when said ratio lies below the set value (0, 1), while when over the set value, the microcomputer further judges whether the vehicle is started with light load or braked with the engine according to the (e) value to perform either the second clutch control or the engine brake clutch control for the respective situation. In this way, the clutch control in responce to a condition when starting as well as the smooth control of the engine brake during running can be achieved.
Patent JP-H06255226-A (JP)
Title: Screen printing machine
Inventor: IIDA KOICHIRO
IPC: B41L13/14
Filed: 1993-03-05
Abstract: PURPOSE:To prevent the operation of a screen printing machine in such a state that the leading end cut piece of stencil paper remains on a feed passage and to issue the warning showing the above mentioned state to a user. CONSTITUTION:A stencil paper standby state sensor 45 detecting whether stencil paper is present on the side of a plate cylinder of the stencil paper cutter 29 provided to a stencil paper feed passage is provided and the stencil paper is cut by the stencil paper cutter when new stencil paper is set and the control outputting a stencil paper cut piece removing warning signal until the detection state of the stencil paper standby state sensor 45 becomes a stencil paper absence detection state after the cutting of the stencil paper and preventing the execution of next operation processing is performed.
Patent JP-S57160148-A (JP)
Title: Microwave integrated circuit device
Inventor: HORI SHIGEKAZU
IPC: H01L23/66
Filed: 1981-03-30
Abstract: PURPOSE:To increase the isolation between input and output terminals and that among a plurality of the input terminals by a method wherein gate electrodes are connected to the input terminals to ground a source electrode and a drain  electrode is connected to the output terminal. CONSTITUTION:A source electrode 24 and a drain electrode 25 are commonly connected to all active regions. Meanwhile, gate electrodes 26-1-26-3 are contacted with only active regions 23-1-23-3 respectively. In this FET, the source electrode 24 is kept at ground potential and the drain electrode 25 at positive potential and the gate electrode is kept at negative electrode or biased to keep slight positive potential which is enough to prevent gate forward current for operation. Therefore, each gate electrode 26 is formed at individual active region 23. Accordingly, isolation between each gate is good and the isolation between input terminals can be increased.
Patent JP-H03250653-A (JP)
Title: Semiconductor device
Inventor: SHIMIZU KAZUO
IPC: H01L23/34
Filed: 1990-02-28
Abstract: PURPOSE:To improve heat radiation performance by connecting a radiation fin lead with a tab, installing the radiation fin lead to a cornered part of a package, and connecting it with an outer lead. CONSTITUTION:A low heat resistance type QFP.IC1 is continuously installed to a tab 2 formed in virtually squared board shape, a plurality of inner leads 3 laid out in a radiating manner near the four sides of the tab 2, and each inner lead 3 into one piece respectively. It is also provided with a plurality of outer leads 4 which project from the four sides of the tab 2 and bent in gull-wing shape. Four radiation fine leads 5 are continuously installed in a radiating manner from the four corners in one piece on the tab 2. When a pellet 9 gets exothermic during operation under a packaged state, the pellet 9 is directly bonded with the tab 2 incorporated into the fin lead 5 in one piece. Therefore, the heat is directly propagated to the radiation fin lead 5, thereby irradiating effectively the heat from the entire outer leads 5a by way of a printed wiring board 21.
Patent JP-S60191139-A (JP)
Title: Dehumidifying drier
Inventor: OSADA TAKESHI
IPC: F24F1/02
Filed: 1984-03-12
Abstract: PURPOSE:To enable to perform cooling dehumidifying and reheating only by means of refrigerating cycle over the range from low temperature region to high temperature region by a method wherein an outdoor side heat exchange is functioned as an evaporator during low temperature operation and as a condenser during moderate high temperature operation by changing-over a four-way valve in the drying of agricultural and marine products. CONSTITUTION:During the cooling dehumidifying and reheating operations at low temperature, a part of refrigerant sent from a liquid receiver 24 is circulated through a second pressure reducing device 27 to an outdoor side heat exchanger 28 in refrigerating cycle in order to function the outdoor side heat exchanger 28 as an evaporator. In addition, during the cooling dehumidifying and reheating operations at moderate high temperature, a four-way valve 23 is changed-over to the position indicated with broken lines in order for the refrigerant in refrigerating cycle to circulate through the four-way valve 23 to the outdoor side heat exchanger 28, resulting in functioning the outdoor side heat exchanger 28 as a condenser so as to enhance the condensing effect in order to contrive the increase of the amount to be dehumidified. Furthermore, the air flowing in the direction indicated with the arrow (b) is heated at a reheater 22 so as to circulate in a drying room in order to dry agricultural and marine products.
Patent JP-S52129354-A (JP)
Title: Signal limiter circuit
Inventor: TAGUCHI MAKOTO
IPC: H03G11/02
Filed: 1976-04-23
Abstract: PURPOSE:To eliminate setting misoperation by securing the upper limit setting voltage through addition of the signal of the lower limit setting voltage, and to secure a full-range setting of upper and lower limit of the signal control circuit.
Patent JP-2000241745-A (JP)
Title: Small-sized motor and scanning optical device
Inventor: UZUKI KAZUO
IPC: G02B26/10
Filed: 1999-02-24
Abstract: PROBLEM TO BE SOLVED: To miniaturize a drive part of a rotary polygon mirror and to reduce vibration. SOLUTION: The rotary polygon mirror 2 deflection-scanning a laser beam generated from a light source unit 1 is rotation-driven by a motor 2a on a motor substrate 15. The outer peripheral part of the rotor 14 of the motor 2a is projected outward the radial direction from a motor part 15a mounting the stator of the motor substrate 15, and the width size of the motor substrate 15 is reduced only by the projection to be miniaturized. An optical box 5 is miniaturized by miniaturizing the motor substrate 15, and the vibration of the motor 2a is reduced.
Patent JP-S58164348-A (JP)
Title: Data transmission system of extension terminating equipment
Inventor: AKUTA SHIYOUJIROU
IPC: H04L29/10
Filed: 1982-03-24
Abstract: PURPOSE:To perform the (n)-multiplexing of an (m)-kind multiple-wire signal from a data terminal for an interface with a transmission line, and to reconvert the (n)-multiplexed information from the transmission line to the (m)-kind multiple-wire signal. CONSTITUTION:An NRZ signal from a data terminal DTE is passed through an interface circuit INT1 and sampled at many points byI-phase sampling pulses of anI-phase sampling circuit SAMPphi1 to obtain a sampled signal A, and a control signal received from the data terminal DTE is passed through the interface circuit INT and sampled at many points by II-phase sampling pulses of a II- phase sampling circuits SAMPphi2 to obtain a sampled signal B. Both sampled signals A and B are multiplexed by an AND gate G to obtain a signal (7), which is sent out from a line driver LD to the data circuit terminating equipment OCU in an exchange through the transmission line. A signal sent from the OCU, on the other hand, is received by a line receiver LR and a timing extracting circuit extracts the phi1 and phi2.
Patent JP-S56142759-A (JP)
Title: Operating device of powered vehicle
Inventor: YAMAMOTO SHIYOUICHI
IPC: B62D11/08
Filed: 1980-04-09
Abstract: PURPOSE: To facilitate steering operation by providing the control lever with a working piece, which shall perform at least one of operation modes.  
     CONSTITUTION: A simultaneous shift of control levers 7, 13 in the direction A will brake the left and right traveling devices and put a detent pawl 23 into engagement with a detainer groove 35, and then an intergrated detent pawl at the left side is engaged with the detainer groove to bring the car in the braked state for parking. When, in this condition, either of working pieces 45, 87 on the levers 7, 13 is pushed, for example the piece 45 here, a detainer rod 39 will push an arm 51 of detent pawl 27 to disengage for releasing the parking brake. When steering operation is carried out by pushing the working pieces 45, 87, the piece 45 is pushed with the lever 7 in the neutral position to put contacts 47 and 49 in contact with each other and change over a solenoid operated valve 69 into the b position, that will actuate the hydraulic cylinder 65 to shut off the power to the right traveling device and apply brakes to the same. Thus, the machine body 3 swings to the right. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H06234612-A (JP)
Title: Mold material for dental use
Inventor: KUBO FUMINOBU
IPC: B22D21/06
Filed: 1993-02-09
Abstract: PURPOSE:To enable improvement in dimensional stability of a mold material for dental use by lessening penetration of phosphorous into the surface of mold to thin a reaction layer, preventing weakening of titanium, reducing surface roughness of the mold in a phosphate-based mold material for dental use. CONSTITUTION:In a mold material for dental use comprising a refractory, a phosphate, a metal oxide and a colloidal silica sol, ammonium primary phosphate is used as the phosphate, the amount of the phosphate blended is set 3-5wt.% the whole mixture excluding the colloidal silica sol and colloidal silica having >=40mum particle diameter is used as the colloidal silica.
Patent JP-H01221448-A (JP)
Title: Hydrolysis-resistant polyester composition
Inventor: KATO HIDEKI
IPC: C08K5/1515
Filed: 1988-03-01
Abstract: PURPOSE:To make it possible to form a polyester markedly improved in hydrolysis resistance without detriment to the mechanical properties, surface appearance, heat resistance, etc., inherent in polyester, by mixing a polyester with specified amounts of a polyolefin and an epoxy compound. CONSTITUTION:100pts.wt. polyester is mixed with 1-20pts.wt. polyolefin and 0.1-15pts.wt. epoxy compound. By further mixing said polyester composition with 0-60wt.%, based on the composition, inorganic filler, 7-17wt.% at least one compound selected from among a brominated polycarbonate, a brominated epoxy compound and a brominated polystyrene and 2-5wt.% antimony oxide, a reinforced, flame-retarding, hydrolysis-resistant polyester composition can be formed. This improving effect is marked for a polyester, especially, polybutylene terephthalate.
Patent JP-S57161001-A (JP)
Title: Iron powder for powder metallurgy with superior compressibility, formability and hardenability
Inventor: UNNO MASAHIDE
IPC: C22C33/02
Filed: 1981-03-27
Abstract: PURPOSE:To obtain iron powder for powder metallurgy with superior compressibility, formability and sinterability by preparing iron contg. a specified percentage each of carbon, nitrogen and oxygen and having a specified apparent density. CONSTITUTION:This iron powder consists of <=0.02% in total of carbon and nitrogen, <=0.10% oxygen and the balance essentially iron and has <=2.9g/cm<3> apparent density. To enhance the formability and sinterability the apparent density is regulated to <=2.9g/cm<3>, and the deterioration of the compressibility due  to the reduced density is prevented by reducing the amounts of carbon, nitrogen and oxygen. Thus, this powder is made comparable or superior to atomized iron powder.