baber/WOPTO huggingface dataset:
Patent JP-S6459944-A (JP)
Title: Mounting method for electronic component
Inventor: MURAKAMI HIRONORI
IPC: H05K3/34
Filed: 1987-08-31
Abstract: PURPOSE:To obtain a mounting method where electronic components of a general purpose semiconductor device or the like can be densely mounted at low cost and in high yield by a method wherein the electronic components are fixed to a substrate through the intermediary of a bump by pressure under heating so as to mount the electronic components on a circuit wiring substrate. CONSTITUTION:For instance, a plating mask 3 with aperture windows 3' 5-150mum in diameter is formed out of glass calcined at low temperature on a conductive film 2 of ITO material so as to be a bump forming substrate 10. And then, gold is selectively plated onto the aperture windows 3' of the mask 3 of the bump forming substrate 10 through an electroplating method for the formation of the bump source 4a. Next, an aluminum lead-out electrode 5 formed on a lower substrate 6 where an LSI chip is to be mounted is made to be position-aligned with the bump source 4a on the bump forming substrate 10, and then the bump source 4a is transferred onto the lea-out electrode 5 for the formation of a bump 4b. And, the lower substrate 6 provided with the bump 4b is made to be connected with an LSI chip.
Patent JP-H0640890-A (JP)
Title: Sustained release preparation
Inventor: KOYAMA YOSHIYUKI
IPC: A61K9/02
Filed: 1992-07-24
Abstract: PURPOSE:To provide a preparation such as a suppository comprising cyclodextrin and polyacrylic acid, sufficiently staying at an administered site or an inserted site such as rectum, and excellent in the sustained release property of a medicine. CONSTITUTION:The preparation comprises cyclodextrin and polyacrylic acid (preferably having a number-average mol.wt. of 1000-10000000). 100 pts.wt. of the cyclodextrin is preferably compounded with 150-1000 pts.wt. of the polyacrylic acid. The preparation is preferably obtained by a method in which the cyclodextrin is kneaded with a medicine and another base material, or a method in which the polyacrylic acid is kneaded with the cyclodextrin, a medicine, another base material and water or various kinds of aqueous solutions and, if necessary, subsequently dried. The medicine to be added to the preparation is a medicine easily adsorbed on or included in the cyclodextrin, such as 5-FU or tegafur.
Patent JP-S6371540-A (JP)
Title: Controller for intake air quantity
Inventor: YONEKAWA MASAO
IPC: F02D41/14
Filed: 1986-09-16
Abstract: PURPOSE:To properly control the bypass air quantity by prohibiting the renewal of the learned value of the control quantity of an air control valve until the temperature of a coil for driving a valve body for controlling the bypass air quantity reaches a prescribed cooling water temperature. CONSTITUTION:A microcomputer 20 calculates the necessary time from the time when the temperature of the engine cooling water which is detected by a water temperature sensor 24 reaches the prescribed temperature of the engine 10 in the warming state to the time when the temperature of the coil 40 of an air control valve 30 reaches this temperature. During this time, renewal of the learned value of the control quantity of the air control valve 30 is prohibited by the learned value renewal prohibiting means of the microcomputer 20. Since the renewal of the learned value of the control quantity of the air control valve 30 is performed when the temperature of the coil 40 becomes equal to the prescribed temperature, the variation of the resistance value of the coil 40 due to temperature can be avoided, and the correct control quantity of the air control valve 30 can be obtained.
Patent JP-S6460200-A (JP)
Title: Stereoscopic signal processing circuit
Inventor: FUJITA SHINICHI
IPC: H04S5/02
Filed: 1987-08-31
Abstract: PURPOSE:To easily cope with the change of input levels and to more emphasize the directional feeling of a reproduced sound by 1/2nd-power-compressing inputted channel signals in accordance with their levels, after that, obtaining an arithmetic mean, further, 2nd-power-expanding it and reproducing it in an intermediate position. CONSTITUTION:The titled circuit is equipped with a first and a second level compressing circuits 5L and 5R to compress a first and a second channel signals L and R in accordance with their levels V1 and V2 into a V1<1/2>-fold one and a V2<1/2>-fold one respectively, arithmetic mean circuits 6 and 7 to obtain the arithmetic mean of the respective output signals of the first and the second level compressing circuits 5L and 5R, and a level expanding circuit 8 to expand the output signal of the arithmetic mean circuits 6 and 7 in accordance with its level V3 into a V -fold one. The output signal of the level expanding circuit 8 is a third signal C which should be reproduced in the middle position of the respective reproducing positions of the first and the second channel signals L and R. Thus, deflections can be reduced and the directional feeling of the reproduced sound can be emphasized. Since the titled circuit is a self operation type, an equal effect can be obtained to any input levels.
Patent JP-H1167567-A (JP)
Title: Manufacture for bond magnet
Inventor: HASHIMASA YOSHIYUKI
IPC: H01F41/02
Filed: 1997-08-12
Abstract: PROBLEM TO BE SOLVED: To provide a magnetically anisotropic bond magnet, in which the orientation (magnetic characteristics) of anisotropic magnetic powder is improved, without elongating a formation time when a compound of anisotropic magnetic powder is subjected to warm press formation while impressing a magnetic field. SOLUTION: A compound made of magnetic powder coated with thermosetting resin is subjected to warm press formation under conditions superposed with a pulse magnetic field of 15 kOe or above and static magnetic field of 8 kOe or above. First, the pulse field is applied at the starting of pressurization and continued, while the bulk density of raw powder in the die reaches a ranges from 65 to 85% of the maximum bulk density in tapping. The static field is applied at the latest immediately after the last application of the pulse field.
Patent JP-H04101728-A (JP)
Title: Sharp-pointed tip manufacturing device
Inventor: OBARA KENJI
IPC: H01J9/02
Filed: 1990-08-17
Abstract: PURPOSE:To reduce frequency of electrolyte replacement work by stopping current supply when the decreasing speed of current for electro-polishing of linear piece exceeds a reference one. CONSTITUTION:If a switch circuit 9 is closed, a part which is soaked in electrolyte 3 in a linear piece 1 is electro-polished to become tapered gradually with a change in the output signal of an AD converter 10. Difference (Si-1-Si) is calculated by a reduced amount calculating circuit 11 based on signals sent from the AD converter 10 one after another to be outputted to a comparison circuit 13. If the difference exceeds the reference value and it is detected that the linear piece 1 is cut off, a response signal is generated from the comparison circuit 13 and sent to the switch circuit 9, so that the switch circuit 9 is opened, current supply for electro-polishing from a power source 6 is stopped, and a tip whose end is sharp-pointed is formed at the end of the linear piece 1.
Patent JP-H0668163-A (JP)
Title: Video map generating method
Inventor: OTSUJI SEITA
IPC: G06T13/20
Filed: 1992-08-17
Abstract: PURPOSE:To generate a map capable of grasping information relating to macroscopic scene expansion of a video image. CONSTITUTION:A cut being a discontinuous turnover point of a video image is acquired by information given in advance to the video image in advance through automatic detection, the length of each shot divided by each cut by using the information, a representative value of picture element data is calculated (normalized) for each shot or each time block, a representative value is obtained by integrating the calculated representative values for a larger time block, and three such as a mean value of brightness, a shot length and a frame number or time are taken as three axes, a coordinate is taken at a position in a coordinate space, and a representative value of a change in a shot is displayed as a graph having a 2-dimensional spread on each coordinate.
Patent JP-H0669736-A (JP)
Title: Differential amplifier circuit
Inventor: HASEGAWA YOSHIO
IPC: H03F3/45
Filed: 1992-08-17
Abstract: PURPOSE:To adjust bias current inputted in accordance with the variance of the parameter of a constitution element by selecting plural compensation currents generated from the collector current of an input transistor and impressing them on a base. CONSTITUTION:A transistor 3 constitutes an input current detection means 50, MOS-FET 18-21 does a compensation current generation means 51, and switches 22-24, a decoder 25 and invertors 26-28 does a compensation current selection means 52. The input current detection means 50 detects the base current from the collector current of an input transistor 1, and the compensation current generation means 51 generates plural compensation currents obtained by changing a current ratio against a base current value. The compensation current selection means 52 selects one of the compensation currents by a control signal from outside and impresses it on the base of the input transistor 1. Thus, input bias current owing to the variance of the parameter of the constitution element is compensated.
Patent JP-H0757843-A (JP)
Title: Automatic installing device for bus bar
Inventor: GOTO HIDENORI
IPC: H01R43/20
Filed: 1993-08-09
Abstract: PURPOSE:To automize the installing process of a last-in-bus bar. CONSTITUTION:A work set table 4 capable of setting a last-in type bus bar plate BP, and an intermediate product H having an insulating plate 3 single body and a first-in part preliminarily assembled thereto in parallel to each other is constituted in such a manner as to be movable toward upper and lower metal molds 25, 26. The metal molds 25, 26 have a holding board 13 for holding the insulating plate 3 single body and the intermediate product H, and a cut punch plate 55, and the bridge cutting operation of the bus bar plate BP and the lifting of the single body 3 and the intermediate product H are carried out by the first raising and lowering operation of the upper mold 26. The holding board 13 is moved on the cut punch plate 55 side as it is in the lifted state, and the first-in part of the bus bar plate BP and the last-in part are caulked to the single body and the intermediate product, respectively, by the second raising and lowering operation of the upper mold 26.
Patent JP-S6463616-A (JP)
Title: Structure of combustion chamber of engine
Inventor: KAMIMURA TOSHIHIRO
IPC: F02B23/06
Filed: 1987-09-02
Abstract: PURPOSE:To enable occurrence of a strong swirl by forming a cavity having an elliptical opening on the elliptical top face of a piston. and arranging the long axis of the opening to have a specified angle with respect to the long axis of the top face. CONSTITUTION:Within a cylinder 4 elliptical in cross section, a piston having a similar elliptical top face 5a is slidably fitted, on which face 5a a cavity forming a part of a fuel chamber B is formed. On a cylinder head 3 is provided a fuel jetting valve 8 directed to a side wall D of the cavity 6 such that the jetting direction is in conformity with a swirl direction. In such an engine, the inside 6a of the cavity 6 is widened circularly around axial center of the piston 5 and at the same time, the opening 6b is formed in an elliptical form such that the long axis C1 has a specified angle with respect to the long axis P1 of the top face 5a in the turning direction of a swirl S.
Patent JP-H0948911-A (JP)
Title: Polycarbonate resin composition
Inventor: HIROSE NOBUKAZU
IPC: C08K3/26
Filed: 1995-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a polycarbonate resin composition which can give a plate giving transmitted light of a hue near to that of transmitted light from an opalescent polymethyl methacrylate plate without sacrificing the inherent features, i.e., excellent transparency, mechanical strengths and light diffusivity realized by the addition of a light diffusing filler, of a polycarbonate resin. SOLUTION: This polycarbonate resin composition is the one comprising 100 pts.wt. polycarbonate resin (A), 0.01-5 pts.wt. light diffusing filler (B) and 0.0001-5 pts.wt. titanium oxide composition (C), wherein component C comprises titanium oxide and 0.0001-0.05wt.% polyhydric alcohol.
Patent JP-H0266992-A (JP)
Title: Printed wiring board
Inventor: YAZAWA YOSHIAKI
IPC: H05K3/00
Filed: 1988-08-31
Abstract: PURPOSE:To judge the deviation of a pattern accurately by printing a deviation detecting pattern for judging suitability of the allowance range of the printing pattern deviation in the vicinity of the cutting position of a board in each product region of each wiring pattern when screen printing of a wiring circuit pattern is performed. CONSTITUTION:A wiring pattern 2, a reference pattern 4 and deviation detecting patterns 5 and 5A are printed on the surface of a board 1 at the same time. A wiring pattern 2A is printed on the rear surface of the board 1. The wiring patterns 2 and 2A and the deviation detecting patterns 5 and 5A are covered with a mask pattern. A hole is provided at a part of the reference pattern, and reference hole 4A for pressing is formed. With the reference hole 4A as a reference, pressing is performed along cutting lines 3 and 3A for product regions at the same time. Thereafter, the sizes between the position of a cutting surface 7 of each printed wiring board 1A and the deviation detecting patterns 5 and 5A are confirmed, and the pass of fail of the printed wiring board 1 is judged. In this way, whether the deviated state of the pattern is within the specified value or not can be judged accurately and readily.
Patent JP-S6198671-A (JP)
Title: Controller for motor power steering system
Inventor: OSHITA SAIICHIRO
IPC: B62D5/04
Filed: 1984-10-17
Abstract: PURPOSE:To return the steering wheel accurately by arranging such that the added value will be the returning direction motor current command to produce an output torque from motor in returning direction. CONSTITUTION:A delay circuit 23 is provided in the output circuit of returning torque level indicating section 22 to produce slow rising characteristic of returning direction motor current command level itheta thus to reduce fluctuation of steering torque upon turning on of steering direction switch 21 and to improve the steering feeling. A control circuit 3 will decide the polarity of added signal of assist direction motor current command level (i) and returning direction motor current command level itheta in deciding section 31. While motor drive section 32 will drive a motor on the basis of a current command from an absolute level converting section 33. Armature current is compared with the current command from said converting section 33 to execute duty control through duty control section 34.
Patent JP-S59107530-A (JP)
Title: Method for wire bonding
Inventor: TAKENAKA SHINICHI
IPC: H01L21/60
Filed: 1982-12-13
Abstract: PURPOSE:To make the descending strokes uniform by a method wherein each bonding tool is moved on the same horizontal plane by adjusting the height of a placing stand. CONSTITUTION:A pellet 9 is moved to the point located directly below a capillary 1 by moving an X-Y stand 6 horizontally, a placing stand 8 is moved up by operating a vertical movement device 7, the pellet 9 is moved to the prescribed junction position B, the capillary 1 comes down, a junction work is performed, and the stand 6 is restored. The stand 6 is moved, a lead 10 is shifted to the point located directly below the capillary 1, the lead 10 and a junction position 8 are coincided by lowering 7 the stand 8 in the amount of lead height, and the lead 10 is joined together by lowering the capillary. According to this constitution, the strokes of the capillary can be made uniform irrespective of the height of each junction part, thereby enabling to perform the pellet junction work easily.
Patent JP-S59109934-A (JP)
Title: Digital inputting circuit
Inventor: MORIYAMA YUTAKA
IPC: G06F3/02
Filed: 1982-12-15
Abstract: PURPOSE:To increase substantially the number of input points by executing a write in an FIFO memory circuit only in case when a state is varied, and reading successively an input information from the FIFO memory circuit by a read signal from a CPU. CONSTITUTION:An information inputted through an external input contact 1 and a filter circuit 2 is led temporarily into a state variation detecting circuit 4, and a detection of a state variation is executed. In case when the state variation is detected, a new information is written in an FIFO memory 6 by a write signal 5. In this state, a central processing circuit 7 can obtain an external information by reading the information in the FIFO memory 6.
Patent JP-H0880984-A (JP)
Title: Packing device for lighting fixture
Inventor: MIURA KAZUO
IPC: B65D77/26
Filed: 1994-09-13
Abstract: PURPOSE: To provide a packing device for lighting fixture which can be easily assembled and repeatedly used and in which waste materials are not produced and operation efficiency and transportation efficiency is high and economy is achieved. CONSTITUTION: In a packing device for lighting fixture to pack a lighting fixture body which is provided with a frame, a reflecting board mounted to the frame, a ballast box for feeding electric current to a fluorescent lamp fixed to the frame, and fasteners each having nearly convex shape attached to the opposite ends of the frame, supporting means 18 and fixing means 20 for supporting and fixing the lighting fixture body are provided on the inner surface of a long-sized packing container 16 which is formed of plastic corrugated fibreboard, the upper part of which can be opened, and which can be assembled at a touch.
Patent JP-S6196791-A (JP)
Title: Manufacture of semiconductor element
Inventor: ISHIKURA TAKURO
IPC: H01L21/20
Filed: 1984-10-17
Abstract: PURPOSE:To prevent a semiconductor element from deteriorating due to heating by preventing the second semiconductor layer from enhancing its resistance due to the reduction in the charge density at liquid phase growing time. CONSTITUTION:An N type GaAs current narrowing layer 2 is initially grown to the desired thickness on a P type GaAs substrate 1, a non-doped GaAs layer 11 is then grown to a desired thickness on the layer 2, melted solution is disconnected from the substrate to drop the temperature. The thickness of the layer 2 is necessary to be 0.3mum or larger for narrowing the current, and the thickness of the layer 11 is necessary to be 0.05mum or larger so as not to dissolve to the layer 2 in case of growing the next P type GaAlAs clad layer 4. Generally, since the depth of a V-shaped groove 3 is approx. 1mum, the thickness of the layer 2 is preferably set to 0.4-0.7mum, and the thickness of the layer 11 is set to 0.1-0.2mum. The later steps thereafter is the same as the steps of manufacturing a conventional GaAlAs semiconductor laser element.
Patent JP-H0266997-A (JP)
Title: Contact bonding apparatus
Inventor: HARADA TANEMASA
IPC: B23P21/00
Filed: 1988-09-01
Abstract: PURPOSE:To make it possible to connect a liquid crystal display plate and printed board highly accurately by picking up the images of first and second bodies to be contact-bonded from the lower side, monitoring the images, moving at least either of first and second stages in this state by using a positioning stage, and determining the positions of the first and second bodies to be contact-bonded. CONSTITUTION:The images of a liquid crystal display plate 1 and a printed board 2 are picked up and monitored with image sensing devices 20 and 21 from the lower side through mirrors 18 and 19. The printed board 2 is moved to this state with a positioning stage 10. Thus, the positions of the liquid crystal display plate 1 and the printed board 2 are determined. Thereafter, the plate 1 and the board 2 are moved to a thermal contact-bonding position and contact-bonded from the upper and lower directions. In this way, the resist and the patterns formed on the printed board 2 can be confirmed by observing a monitoring television 22 and visually observing the real printed board 2. The positioning can be performed without the effects of the resist and the patterns. Since the positioning can be performed under the overlapped state of the liquid crystal display plate 1 and the printed board 2, the positioning can be performed highly accurately.
Patent JP-2000041560-A (JP)
Title: Acarid sensor
Inventor: YAMAGUCHI HAJIME
IPC: A01M1/00
Filed: 1998-08-03
Abstract: PROBLEM TO BE SOLVED: To grasp the influence of a living space, particularly the physical and chemical factors of environment on acarids. SOLUTION: In an acarid sensor that is used in a system for evaluating the number of acarids and their activity through an image processing technique, the acarid sensor comprises a hole 3 bored through a resin block 2, a mesh filter 4 that is set so that it closes the hole 3, an air-permeating material 5, a specimen of acarid culture mixture placed in the hole 3 and a transparent and moisture-permeating film that is set so that it may close the upper face of the hole 3.
Patent JP-2000054580-A (JP)
Title: Roof
Inventor: ASANO KOICHI
IPC: E04B7/02
Filed: 1998-08-03
Abstract: PROBLEM TO BE SOLVED: To absorb positional displacement and attach a roof body without hindrance to a building frame by mutually movably connecting a building frame side fixture and a body side fixture by a connection forward and rearward. SOLUTION: Building frame side fixtures 3, 3 are attached on a building frame S, and main body side fixtures 4, 4 are attached on a roof body 2. Connection pins 5, 5 are provided on the building frame side fixture 3. The building frame side fixture 3 and the body side fixture 4 are mutually movably connected by the connection pin 5 forward and rearward. Even when the attaching position of the building frame side fixture 3 is slightly displaced in the front and the rear directions, the position displacement can be absorbed, and the roof body 2 can be attached without hindrance Further, the structure of the building frame side fixture 3 and the body side fixture 4 can be simplified.
Patent JP-H0882766-A (JP)
Title: Stereoscopic endoscope
Inventor: TAKAHASHI SUSUMU
IPC: H04N13/239
Filed: 1994-09-13
Abstract: PURPOSE: To provide a parallax amount for obtaining a sufficient stereoscopic effect and to correct an attitude of an image according to the change in an observation direction by rotation of an insertion part. CONSTITUTION: The stereoscopic endoscope 1 is provided with the slender and tough insertion part 2 and an operation part 3 rotatable for the insertion part 2. A main body optical system 14 including a field of view conversion optical system having a single optical axis is arranged in the insertion part 2, and a rotary unit 16 provided with a rotary optical system 15 having two left/right optical axes capable of relatively rotating for the insertion part main body is provided on the rear side of the main body optical system 14. An iris having openings 20 for separating luminous fluxes of left/right and an image pickup element 18 image picking up the images of left/right formed by the rotary optical system 15 are provided on the rotary unit 16.  The rotary unit 16 is connected to the operation part 3 integrally through a connection part 17, and the openings 20, the rotary optical system 15 and the image pickup element 18 are turned for the main body optical system 14 fixed to the insertion part 2.