baber/WOPTO huggingface dataset:
Patent JP-2000290707-A (JP)
Title: Production of composite sintered machine parts
Inventor: ASAKA KAZUO
IPC: B22F7/06
Filed: 1999-04-07
Abstract: PROBLEM TO BE SOLVED: To remarkably increase the joining strength between the shaft part and the hole part by fitting the hole part of a member formed of a ferrous sintered alloy and the shaft part of a green compact obtd. by subjecting ferrous powder to compacting and making the amt. of the green compact to be thermally expanded in a high temp. region of the temp. equal to or above the specified one by making the thermal expansion of the green compact larger than the thermal expansion of of the sintered member. SOLUTION: A member (external member) with a hole part formed of a ferrous sintered alloy and a green compact (internal member) with a shaft part obtd. by subjecting ferrous alloy powder or a powdery mixture to compacting are integrally sintered in a state in which the hole part and the shaft part are fitted. At this time, the green compact having a compsn. by which the amt. to be thermally expanded in a high temp. region of >=750 deg.C in a sintering stage is made higher than that of the external member is used as the internal member. Moreover, the difference in the fitting dimensions between the hole part of the external member and the shaft part of the internal member is controlled to <=40 μm interference in an interference fit or <=5 μm clearance in a clearance fitting. Moreover, as the internal member, a green compact contg. 2 wt.% copper or the one in which the content of carbon is higher than that in the external member by >=0.2 wt.% is used.
Patent JP-H04226062-A (JP)
Title: Semiconductor device
Inventor: ROOZENDAAL LEONARDUS JOHAN VAN
IPC: H01L27/092
Filed: 1991-04-06
Abstract: PURPOSE: To provide a semicondctor device provided with a protective element in which the effects on a performance of the protective element is reduced by providing an electrode layer for reducing a contact resistance, so that the electrode layer is formed without masking the protective element in processing. CONSTITUTION: A semiconductor device 1 is provided with at least one transistor Tr1 and a circuit containing a first electrode 30 and a second electrode 32. A pn-junction 23 is formed in a semiconductor main body 10, and in addition, a protective element 20 containing a device area 21 coated with an electrode layer 21c is connected to the first electrode 30 with an electrode 27 in between, so as to form a conductive path, when a voltage not less than a threshold voltage is applied to the electrode. An electrode layer 21c, together with at least a part 21a of the device area 21, forms a potential barrier B, and the conductive path is extended from an electrode 27 through at least a part of the device area 21 to the pn-junction 23 for raising the resistance of the conductive path with respect to the pn-junction 23.
Patent JP-S6018162-A (JP)
Inventor: ARUBERUTO ARUUGA ARUTARU
IPC: A61C8/00
Filed: 1984-05-17
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-S59225288-A (JP)
Inventor: TAKAO MASAO
IPC: F27D13/00
Filed: 1983-06-06
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-S62254984-A (JP)
Title: Joining method for thick steel plates
Inventor: WAKAMOTO IKUO
IPC: B23K11/06
Filed: 1986-04-30
Abstract: PURPOSE:To shorten the time for joining and to improve the quality of welding by butting and restraining preceding and succeeding steel plates, supplying foil materials on the joint line thereof and subjecting both the steel plates to electrical resistance heating through the foil materials. CONSTITUTION:Press rollers 3a, 3b to press the front end of the succeeding steel plate 2 to the rear end of the preceding steel plate 1 are provided. Devices 4 for supplying the foil materials 5 are disposed on the joint line of the steel plates 1, 2. Rotary electrodes 6 are so provided that the electrodes can travel in the transverse direction while pressing the foil materials 5. After the steel plate 2 is pressed to the steel plate 1 by the rollers 3a, 3b, the foil materials 5 are supplied to the top and bottom surfaces of the joint line and are energized through the electrodes 6. The electrodes 6 are run in the transverse direction of the plates while the foil materials 5 are pressurized by said electrodes to join the steel plates 1, 2 in a short period. The welding quality is improved by the increase of current density and the prevention of the thermal diffusion to the electrodes.
Patent JP-S59226040-A (JP)
Title: Material attached to molded article of mixture of olefinic polymer
Inventor: NAGAI YOUZOU
IPC: C08L27/00
Filed: 1983-06-08
Abstract: PURPOSE:To obtain a material attached to a molded article having high bond strength free from smell, by bonding a molded article of a mixture of an olefinic polymer and an organic compound containing a peroxide bond and a hydroxyl group to the material by the use of an isocyanate group-containing adhesive. CONSTITUTION:An isocyanate group-containing adhesive is applied to the surface of a molded article of a mixture consisting of 100pts.wt. olefinic polymer (preferably one having 50,000-300,000mol.wt.) and 0.1-50pts.wt., preferably 0.3- 20pts.wt. organic compound shown by the formula I [R<2> and R<2> are H, or methyl; R<3> is 2-6C alkyl; X and y are H, group shown by the formula II, -O-O-R<5> (R<4> and R<5> are 1-100C hydrocarbon group, or organic residue containing bond selected from ether, ketone, ester, and peroxide, and not H simultaneously); Z is phenyl, CN, group shown by the formula III, etc.; l is 0-10,000; m and n are 1-10,000; (l+m)Xn is <=10,000], and the molded article is attached to a material which can be bonded by the adhesive.
Patent JP-S62258496-A (JP)
Inventor: SUGINO TOSHIO
IPC: G09G1/06
Filed: 1986-05-02
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S63266440-A (JP)
Title: Camera
Inventor: YAMAMOTO HARUSHIGE
IPC: G03B17/20
Filed: 1987-04-24
Abstract: PURPOSE:To prevent mistaking a full size photographing for a half-size photographing by providing a means for indicating photographing information in a part of a visual field correction frame included in a finder visual field variable forming means. CONSTITUTION:If a knob 12 is turned clockwise, a lever 7 is turned clockwise and an aperature shielding plate 5 is turned counterclockwise, a middle lever 9 is turned counterclockwise through a pin 7a, a middle lever 10 is turned clockwise through a lever 11, a lever 8 is turned counterclockwise and a shielding plate 6 is turned counterclockwise respectively. Both sides of an aperature 4 are covered with the shielding plates to become the half-size. And since a finer mask 15 is covered with a shielding plate 16 and its indication part 16b indicates the half-size, a photographer does not mistake the half-size for the full size. And the shielding plate 16 is evacuated at the time of full photographing, so that a finder becomes a normal aperature.
Patent JP-S59226028-A (JP)
Title: Vacuum treating device
Inventor: TSUMURA AKIO
IPC: B01J19/08
Filed: 1983-06-06
Abstract: PURPOSE:To improve the effect of plasma treatment, by providing a supporting part for positive electrode in a vacuum treating chamber with a liftable mechanism to adjust the distance between it and a negative electrode so that the distance between both the electrodes is adjusted depending upon the purpose of a material to be treated. CONSTITUTION:The rolled negative electrode 7 and the semicylindrical positive electrode 14 (liftable mechanism to adjust the distance between both the electrodes 7 and 14 is attached to the supporting part for the positive electrode) are set in the vacuum treating chamber 1, the material 26 to be treated such as vinyl chloride film, etc. is fed to the space between both the electrodes 7 and 14, so that the surface of the material to be treated is subjected to plasma treatment. The liftable mechanism preferably consists of the linear head 21 obtained by combining a rack-and-pinion mechanism with a driving means, and the stand 20 to support the linear head.
Patent JP-H06309098-A (JP)
Title: Input device
Inventor: WADOKORO JUNICHI
IPC: G06F3/041
Filed: 1993-04-27
Abstract: PURPOSE:To provide a new input device equipped with a high-quality display function. CONSTITUTION:A liquid crystal element 30 is constituted by arranging a liquid crystal layer 24 made of a liquid crystal material changing from a transmission state to a scatter state in light irradiation between substrates 22 and 23. An address substrate 26 is arranged on the side of the substrate 23 of the liquid crystal element 30. Prepit parts 28 consisting of plural recesses and projections showing addresses of the element 30 are formed on the address substrate 26, and its surface a reflecting film 29 is formed and an input pen 31 as an indicating means which irradiates the address substrate 26 with light 31a and detects reflected light from a reflecting film 29 is arranged on the side of the substrate 22 of the liquid crystal element 30.
Patent JP-H04332194-A (JP)
Title: Optical transmitting and receiving apparatus
Inventor: TEJIKA YASUHIRO
IPC: H04B10/69
Filed: 1991-05-07
Abstract: PURPOSE:To provide an optical transmitting and receiving apparatus which easily realizes designing of a wiring pattern of a circuit mounting substrate and never generate crosstalk. CONSTITUTION:A receiving circuit substrate 14 and a transmitting circuit substrate 15 are arranged on the same surface and a plurality of terminals 1 to 13 are arranged in a line along the surface on the one side surface 16a of an accommodation case 16. A plurality of terminals 1 to 13 are divided into terminal lines 1 to 5 provided against the receiving circuit substrate 14 and terminal lines 10 to 13 provided against the transmitting circuit substrate 15. A constant interval is provided between the terminal lines by providing power supply terminals 6, 9, grounding terminal 7 and NC terminal 8 between the divided terminal lines. A plurality of terminals 1 to 13 are connected with circuit substrates 14, 15 in each division of terminal line.
Patent JP-H09289131-A (JP)
Title: Magnetic recording medium and manufacture thereof
Inventor: TSUBOI SHINZO
IPC: H01F10/20
Filed: 1996-04-24
Abstract: PROBLEM TO BE SOLVED: To easily manufacture a recording medium which has a coercive force suitable for the ability of a magnetic head without changing a target. SOLUTION: Ferrite containing magnetite as its main component or magnetite containing an additive is used as the material of a target and is formed by a substrate process on a substrate as an ion oxide continuous thin film containing the magnetite or additive as its main component (S1). The iron oxide continuous thin film is heat-treated (S2). Next, the heat-treated iron oxide continuous thin film is cooled to the room temperature at a cooling rate of 8 deg.C/min. (S3). As a result, a coercive-force controlled magnetic iron oxide continuous thin film containing γ-Fe2 O2 and/or γ-Fe2 O3 and Fe3 O4 as its main component (S4) is formed.
Patent JP-S62257096-A (JP)
Inventor: TEZUKA YOICHI
IPC: G21C19/07
Filed: 1986-05-01
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-S59227673-A (JP)
Inventor: KAJIYAMA RIYUUICHI
IPC: H02P29/00
Filed: 1983-06-08
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-S5626519-A (JP)
Title: Filter unit and manufacturing the same
Inventor: IKUMA MASAYUKI
IPC: F02M35/02
Filed: 1979-08-10
Abstract: PURPOSE: To provide a compact and light-weight filter unit through reduced manhours manufacture and eliminating fabrication work such as bending filter material by using sheet-type filter material.  
     CONSTITUTION: A plate 1 having plural windows 1A at the center area is attached at one side with a sheet-type filter material 2 to cover the window 1A. The sheet filter material 2 is supported by the peripheral of the plate 1 and frames 1B extending on the window 1A. The sheet filter material 2 uses filter paper, nonwoven cloth, scott, etc. The center area of both sides of the plate 1 is provided with depressions 3A, 4A that surround the plural windows 1A, and is attached with first and second casings 3, 4 having ports 3B, 4B that are opened to the depressions 3A, 4A. Said structure allows the filter unit to eliminate the need for fabricating processes such as bending filter material and reduce the manhours of manufacture, thereby to provide a compact and light-weight filter unit. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H07283582-A (JP)
Title: Printed wiring board
Inventor: OTAKI TORU
IPC: H05K9/00
Filed: 1994-04-14
Abstract: PURPOSE:To obtain a printed wiring board which suppresses undesirable radiation in a high frequency domain. CONSTITUTION:Formation is so made that a capacity component is added to both channels between a signal line 5 and a GND line 7 and between the signal line 5 and a power line 6 through the intermediary of capacitors 15 and 16 of a radiation suppressing component 10. Thereby a high-frequency current Ih of a high-frequency domain outputted from digital IC 2 is made to flow through the shortest channel of the IC 2 the capacitor 15   the power line 6   the IC 2. When the capacities of the capacitors 15 and 16 are set properly, accordingly, it is possible to suppress undesirable radiaton in a very high frequency domain (500MHz or above).
Patent JP-H041679-A (JP)
Title: Developing device
Inventor: MIYA SHIGEYUKI
IPC: G03G15/08
Filed: 1990-04-18
Abstract: PURPOSE:To hold the amount of a developer uniform in the width direction by making the area, where a guide plate which guides the developer in the 1st side direction of a developing box on the top surface of a separator, longer than the area where the other guide plate is arranged. CONSTITUTION:An excessive developer which is supplied to a developing roller 17 is scraped off by a doctor blade 27 and returned onto a 2nd agitator roller 16 through the separator 31. There are plural guide plates 32a which slant to the 1st side of the developing box and plural guide plates 32b which slant to the 2nd side are provided on the top surface of the separator 31, so the amount of the developer returned to the 1st side of the developing box is larger than the amount of the developer returned to the 2nd side. Consequently, the developer tends to stay more by the 1st agitator roller 15 on the 2nd side in the developing box, but this is corrected to uniform the distribution of the developer amount in the developing box.
Patent JP-H02280629-A (JP)
Title: Output device of steering engine
Inventor: TANAKA HIDEYUKI
IPC: H02J9/08
Filed: 1989-04-21
Abstract: PURPOSE:To shorten an engine starting time by omitting a speed variation stabilization pressure circuit on the engine side and by connecting a power conversion device consisting of inverters to perform converter action between an induction generator and a power bus with a speed variation stabilization pressure circuit on the engine side omitted. CONSTITUTION:If the load of an induction generator 2 changes suddenly, the frequency will change accordingly because of the variation of speed of a steering engine 1. The engine 1 is, however, controlled by inverters 31 and 32 to perform converter action of a power conversion device 3 so as to coincide the generation quantity, i.e., the load quantity of the induction generator 2 with the slip frequency. Between the generator 2 and a power bus 4 it is controlled by the inverters 31 and 32 of the power conversion device 3 and the power is generated on the power bus 4 side without any trouble. In starting the engine 1 the induction generator 2 can be driven as an induction motor through the power conversion device 3 from the power bus 4. The starting time of the steering engine 1 can thereby be shortened.
Patent JP-2000294715-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: SATO YUKIHIRO
IPC: H01L23/50
Filed: 1999-04-09
Abstract: PROBLEM TO BE SOLVED: To obtain a technique for manufacturing a semiconductor device of a bottom face terminal type without any lead disconnected by a die, and also to obtain a semiconductor device of a bottom face terminal type which can improve its bonding strength upon mounting. SOLUTION: In the semiconductor device having leads 3 as external terminals of the semiconductor device exposed to a bottom surface of leads 3, the leads 3 exposed to the bottom surface are formed to be thin in a direction perpendicular to the bottom surface at their outer ends. The method for manufacturing the semiconductor device includes steps of providing a series of sets of leads 3 to be formed as parts of a plurality of semiconductor devices, using a lead frame having the leads 3 external ends of which to a sealed body 5 are provided with recesses at cut-off positions, mounting a semiconductor chip 1 onto the lead frame, electrically connecting the chip 1 and the leads 3 of the lead frame, sealing the chip 1 with resin, and separating the sealed body 5 and the leads 3 at the recesses of the leads 3 to obtain separated individual semiconductor devices.
Patent JP-H02280264-A (JP)
Title: Message block control system
Inventor: OHATA TAKESHI
IPC: G06F15/00
Filed: 1989-04-21
Abstract: PURPOSE:To effectively use the resource of a system by using a message block with size defined in the system uniformly by dividing into small message blocks with smaller size. CONSTITUTION:A message control table 3 stores the control information of the small message block in which the message block 4 is divided into the blocks with proscribed size. A message block reconstitution means 1 divides the message block 4 into the small message blocks with prescribed size based on the request of a transaction processing system 5, and registers the control information of the small block messages on the message control table 3. A message allocation means 2 secures the small message block from the transaction processing system 5 by a small message block securing request based on the message control table 3, and delivers it to the transaction processing system 5. Thus, the resource of the system can be effectively used.
Patent JP-H08295158-A (JP)
Title: Audio unit installation structure of automobile
Inventor: HANADA KOTARO
IPC: B60K37/02
Filed: 1995-04-26
Abstract: PURPOSE: To provide an audio unit installation structure of an automobile which can improve the installation workability of the audio unit and the wiring workability of the harness of the audio unit, and can shorten the harness. CONSTITUTION: While an audio unit 5 is fastened and fixed to a bracket 4 projected toward the rear side, to a steering member 3, a harness 8 is fixed to the steering member 3, and after that, an open window 12 for audio setting of an instrument panel 2 is let in the audio unit 5, and the instrument panel 2 is assembled to a car body. Consequently, the fixing work of the audio unit 5 and the harness 8 can be carried out easily in a free space at the cabin side, and the excessive length of the harness 8 can be shortened as much as possible.
Patent JP-H07322911-A (JP)
Title: Blister pack for optical lens
Inventor: BORGHORST SHARLA
IPC: B65D1/36
Filed: 1995-04-26
Abstract: PURPOSE: To minimize the volume of a container, i.e., blister pack for keeping optical lenses, particularly hydrophilic soft contact lenses, to facilitate unsealing, to reduce the quantity of preservation liquid to the minimum, and to facilitate taking out the lenses. CONSTITUTION: This blister pack comprises a base part B having a depressed part C for containing optical lenses L and germ-free preservation liquid S, and a cover layer D. The depressed part C includes a dish-shaped depressed part 11 and a secondary dent part 12 which has a tapered groove-like shape adjacent sideward to the depressed part 11. The main depressed part 11 smoothly transits into the secondary depressed part 12. The main depressed part 11 and the secondary depressed part 12 have a drop-shaped profile 14 in the plane, and the front end 14 of the profile is directed toward a grasping position 3 of a flange 1.
Patent JP-H10293414-A (JP)
Title: Electrophotographic toner
Inventor: MORINISHI YASUHARU
IPC: G03G9/097
Filed: 1997-04-18
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic toner by which even after the toner is left to stand at a high temp. to cause the aggregation of the toner, a good image with little fog can be formed without depending on the addition of a large amt. of a fluidizing agent. SOLUTION: This electrophotographic toner is obtd. by adding a fluidizing agent to the surface of toner particles containing a binder synthetic resin and a coloring agent, and this toner and a magnetic powder carrier constitute a two-component developer. This toner is produced in such a manner that the electrifying rate ΔQs of toner particles which are kept at normal temp. when mixing of the toner particles with a magnetic powder carrier is started, and the electrifying rate ΔQh of toner particles kept under temp. and time conditions to cause the aggregation of the electrophotographic toner when mixing of the toner with a carrier is started satisfy ΔQh /ΔQs >0.37, preferably >=0.45.
Patent JP-S59225237-A (JP)
Title: Operation controlling system of air conditioner secondary cooling water pump
Inventor: YASUTOMI SHIGEFUMI
IPC: F24F11/06
Filed: 1983-06-07
Abstract: PURPOSE:To provide a substantial reduction of loss of energy at a valve and increase the efficiency of operation of a pump by a method wherein the operation of the secondary cooling water pump is controlled so as to enable the proper temperature of the third cooling water to be kept while the specified degree of opening of the valve is kept in approximately full-opened condition. CONSTITUTION:A controller 12 receives a temperature sensing signal from a temperature sensor 9 arranged in a pipe 8 for the third cooling water (c) and adjusts the degree of opening of a valve 6 in such a way as the third cooling water (c) from the heat exchanger 2 shows a proper temperature. A micro computer 15 which received the signal for showing the degree of opening of the valve 6 from the controller 12 calculates such a pressure in the pipe 10 as the valve 6 is always opened approximately to its maximum degree of opening. In the controller 13, the set value in the micro computer 15 and a measured pressure value in the actual pipe 10 received by a pressure sensor 11 are compared, and the number of rotation of the pump 7 is set in such a way as the pressure in the pipe 10 coincides with the desired value. Such a desired number of rotation is fed into the control device 14 for the number of rotation and then the device for controlling the number of rotation 14 controls the operation of the pump 7.
Patent JP-S5727087-A (JP)
Title: Wavelength sweeping laser
Inventor: KOSEKI TAKESHI
IPC: H01S5/062
Filed: 1980-07-25
Abstract: PURPOSE:To enable the high speed sweeping to be performed by sequentially sweeping the oscillating wavelength of a laser device and selectively taking out each light emitting output. CONSTITUTION:Light emitting outputs of semiconductor lasers 1a and 1b are supplied to an optical wave combiner 3 via optical gate switches 2a and 2b and directly supplied to an optical wave combiner 4. The optical wave combiner 4 outputs the laser light whose wavelength is the difference between the wavelength of the light outputs emitted from the lasers 1a and 1b. Said combined light is detected by an optical detector 6, and its frequency is judged by a frequency judging device 7. Based on the control command of said judging device 7, the wavelength sweep of the lasers 1a and 1b is controlled by a control device 5, and ON and OFF operations of the optical light switches 2a and 2b are controlled.