baber/WOPTO huggingface dataset:
Patent JP-H02128213-A (JP)
Title: Coordinate input device
Inventor: KOBAYASHI KATSUYUKI
IPC: G06K11/06
Filed: 1988-11-09
Abstract: PURPOSE:To improve the precision of coordinate operation by setting the surface coarse and the surface waviness of at least one of the contact surfaces of a vibration transmitting member (horn) and a vibrator provided in a vibration pen to be less than a prescribed value. CONSTITUTION:The vibration pen 3 transmitting ultrasonic vibration to the vibration transmitting board 8 has the vibrator 4 inside it, and it transmits ultrasonic vibration which the vibrator 4 is generated to the vibration transmitting board 8 through the horn 5 whose tip is sharp. For manufacturing the horn 5, it is controlled that the contact surface coarse of the horn 5 comes to be less than 6S(JIS B 0601) and a surface waviness width comes to be within the range of the surface coarse in the contact surface with the vibrator 4. Consequently, the adhesion of the vibrator 4 and the horn 5 is improved, and vibration generated in the vibrator 4 can efficiently be transmitted to the horn 5. Thus, the precision of coordinate operation improves.
Patent JP-H07133775-A (JP)
Title: Fluid compressor
Inventor: MOTOKATSU TAKASHI
IPC: F04C29/12
Filed: 1993-11-10
Abstract: PURPOSE:To restrain abnormal condition such as over compression or over expansion by sufficiently insuring a gas flow, to improve compression efficiency, and to improve wear resistance for the long life by reducing sliding loss of bearing. CONSTITUTION:Both end parts of a cylinder 2 are pivotally supported with bearings 17.18, and a piston 6 having a helical groove 4 formed with the pitch gradually becoming small is eccentrically arranged in the cylinder. A helical blade 5 is fitted in the groove 4 capably of projecting and retreating, and hence a plurality of working chambers 6 partitioned with the blade 5 and gradually becoming small in volume are formed. Further the cylinder 2 and the piston 6 are synchronously rotated at relative peripheral velocity, gas sucked into the cylinder is compressed while gradually transferring gas into the working chambers, cylinder bearing 21 is fitted in the bore of the cyliner, the cylinder bearing is interposed between the cylinder and the bearings and as passage G penetrating the end face on both sides and opening is provided in the cylinder bearing.
Patent JP-S62140378-A (JP)
Title: Chargeable electric appliance
Inventor: YAMAMOTO SHIGEO
IPC: H01M10/46
Filed: 1985-12-13
Abstract: PURPOSE:To realize a safe rapid-charging of a storage battery, by contacting the contact terminal of charger to the terminal of the storage battery switchably, and cutting off the contact of the terminals through a switching device consisting of a stored form-memory element at the completion of charging. CONSTITUTION:Inside the body of an electric appliance such as an electric razer, a battery such as a nickel-cadmium storage battery is incorporated. While a charger 2 is furnished at the bottom, a switching device 5 with a coil spring 5a, consisting of a form-memory element is furnished at the bottom of a cylindrical inserting hole 8 to insert the body 6 of the electric appliance, to form a charging system 7. When a charging is started, the terminal 3 of the battery 1 is contacted to the contact terminal 4 of the charger 2 to perform charging, and when the charging is completed, the contact of the cell 1 and the charger 2 is cut off automatically by extending the coil spring 5a by the heat of the increased surface temperature of the battery 1. Therefore, an overcharge is prevented and a rapid charging can be performed safely.
Patent JP-S62139656-A (JP)
Inventor: OKAWA KAZUMI
IPC: A61H15/00
Filed: 1985-12-13
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-S62139693-A (JP)
Inventor: HAYASHI KOJI
IPC: B23Q7/08
Filed: 1985-12-14
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-H04161100-A (JP)
Title: Rotational speed controller for motor
Inventor: KOGA MIKIO
IPC: H02P8/00
Filed: 1990-10-19
Abstract: PURPOSE:To control the rotational speed of a motor, which rotates continuously at a constant speed, more accurately than minimum frequency regulation unit by partially varying the frequency of driving current by a micro amount so that the motor rotates at a constant average speed as a whole. CONSTITUTION:A motor 1, which rotates at a rotational speed corresponding to the frequency of input driving current, is rotated continuously at a constant speed. At that time, a driving frequency control means 2 partially varies the frequency of driving current by a micro amount so that the motor 1 rotates at a constant average speed as a whole. A step motor may be employed as the motor 1 and the driving frequency control means 2 may partially vary the phase switching time of the step motor 1 by a micro amount. According to the constitution, rotational speed of the motor 1 rotatable continuously at a constant speed can be regulated more accurately than the minimum frequency regulation unit.
Patent JP-2000113414-A (JP)
Title: Thin film magnetic head and manufacture thereof, and base material for thin film magnetic head and manufacture thereof
Inventor: SASAKI YOSHITAKA
IPC: G11B5/48
Filed: 1998-10-02
Abstract: PROBLEM TO BE SOLVED: To make it possible to provide a thin film magnetic head having the specification conformed to the customer's requirement in a short time and also to enable the reduction of the manufacturing cost. SOLUTION: A slider 25 is provided with a 1st surface 25A and a 2nd surface 25B facing the direction opposite to each other. On the slider 25, thin film magnetic head element parts 31U, 31D are formed around one end surface 30 in the direction of the air flow. The element part 31U is arranged so as to face to the 1st surface 25A, and the element part 31D is arranged so as to face to the 2nd surface 25B. The element parts 31U, 31D are arranged at the positions symmetric to the surfaces parallel to the 1st surface 25A and the 2nd surface 25B. Four pad-like electrodes 33 for electrically connecting the element parts 31U, 31D with the outside are provided on the end surface 30. The electrodes 33 are selectively and electrically connected to the element part 31U or the element part 31D by four conductor parts 34.
Patent JP-S60173076-A (JP)
Inventor: IMURE HORUGO
IPC: C09J7/10
Filed: 1984-12-27
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-H08142173-A (JP)
Title: Blow mold
Inventor: HIROTOMI NAOTERU
IPC: B29L22/00
Filed: 1994-11-16
Abstract: PURPOSE: To improve a heat resistance of a grounded part without impairing grounding properties and an appearance and to easily obtain a bottle having a high mold fidelity by a method wherein a parting line between a body mold and a bottom mold is positioned inside a position corresponding to a grounded part of a bottle, and an air vent hole is formed in the vicinity of the position corresponding to the grounded part. CONSTITUTION: A mold 1 is composed of a body mold 2 and a bottom mold 3. The body mold 2 has a two-split structure. A parting line 4 between the body mold 2 and the bottom mold 3 is positioned inside a grounded part 11 of a bottle 10. A distance between a position corresponding to the grounded part 11 of the bottle 10 and a position of the parting line 4 is appropriately set in accordance with the shape of a bottle bottom part, a range requiring a heat resistance, and the like. Furthermore, an air vent hole part 5 is provided in the body mold 2 in the vicinity of the position corresponding to the grounded bottle part 11. The hole part 5 prevents stagnation of air at the time of blow molding to ensure a mold fidelity.
Patent JP-2000098768-A (JP)
Title: Image forming device
Inventor: SUGIYAMA SHINICHI
IPC: G03G15/16
Filed: 1998-09-18
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device of high reliability, capable of preventing a curled sheet from being caught by a transfer device and stably carrying the sheet, even in the case the curled sheet is carried. SOLUTION: A transfer paper rush-in preventing guide 9 is obliquely installed so as to connect respectively points, one is positioned inside the paper at a distance >= A mm from the end part of each transfer paper size in a peak 7 which is positioned on the opening part upstream side, the other is positioned outside the paper at a distance >= B mm on the downstream side of a shield plate, with reference to the respective positions at the end part in the width direction of the carried transfer paper. Besides, by giving consideration to such a situation that the curl is formed at the corner leading end of the transfer sheet, the following expressions are established; A=C+D mm and B=D mm, provided that C mm denotes the length of the estimated curl amount in the width direction and D mm denotes the horizontal register deviation near the transfer point of the loaded image forming device.
Patent JP-H10178186-A (JP)
Title: High-voltage schottky diode
Inventor: SPRING KYLE A
IPC: H01L29/47
Filed: 1997-10-15
Abstract: PROBLEM TO BE SOLVED: To provide a novel high-voltage Schottky diode having a high-speed turn off. SOLUTION: In a vertical conductive Schottky diode with a rated reverse voltage exceeding 400V, an aluminum barrier metal in contact with the surface of N<-> -epitaxial silicon is used. Barrier metallic contacts 50 and 51 are surrounded with P<+> guard rings 30 and 32 which are formed through diffusion, with a small gap interposed. The gap is completely depleted through a low reverse voltage, and the ring is connected with the barrier contacts 50 and 51 under a reverse voltage condition.
Patent JP-H11153093-A (JP)
Title: Vertical shaft pump
Inventor: YOSHIKAWA YOSHIHIKO
IPC: F04D13/00
Filed: 1998-10-05
Abstract: PROBLEM TO BE SOLVED: To perform stable drain operation as intake is effected, in a vertical shaft pump performing preceding stand-by operation. SOLUTION: In this vertical shaft pump, the impeller 1 of the vertical shaft pump is positioned in a level lower than a position equivalent to a lowermost water level WL1 at which air is sucked from the suction bell 3 of a pump casing 4 when a water level under operation of a pump is lower than the lowest water level. In this case, a suction hole 9 is formed in the pump casing 4 below the impeller, one end is connected to the suction hole 9, and a suction pipe 10 having the other end released to atmosphere air is arranged. The opening end position in a pump casing 4 of the suction hole 9 is situated inside the inner wall surface of the pump casing 4. This constitution positions the opening end of the suction hole inside a pump casing the velocity of a revolving flow is low.  Further, a rib or a protrusion is formed in the vicinity of the suction hole 9 and this constitution reduces exercising of an influence by a revolving flow and effects stable air intake.
Patent JP-S63136942-A (JP)
Title: Manufacture of back cover set of motor
Inventor: KITSUKA KENICHI
IPC: H02K15/14
Filed: 1986-11-26
Abstract: PURPOSE:To facilitate automation of assembly and reduce noise by respectively providing a back cover with a plurality of projections and a printed board inner cover with holes fitting said projections, caulking both of said parts to fix the printed board to the back cover and soldering caulked parts of the projections. CONSTITUTION:A metal back cover 1 is provided with four projections 1a and one hole 1b, and a printed board inner cover 2 with four holes 2a which are fitted to the projections 1a of the back cover 1 and both are subjected to caulking. After that, bent parts 3c, 3d at both ends of a brush spring 3 are inserted into a notch 2c and a hole 2d and soldered thereto. A capacitor 5 is fitted to a projection 2e of the inner cover 2 and a choke coil 6, into a notch 2f of said cover 2, and they are respectively soldered in a pattern connected to the brush spring 3. Also, a negative terminal is soldered to the projection 1a of the back cover 1 and earthed by said cover 1. If this apparatus is formed in said manner, automation of its assembly is made possible. In addition, said apparatus is completely earthed and electrical noises are removed, because the negative terminal side is soldered directly.
Patent JP-2001111202-A (JP)
Title: Manufacturing method of wiring board
Inventor: OZAKI YOSUKE
IPC: H05K3/24
Filed: 1999-10-04
Abstract: PROBLEM TO BE SOLVED: To prevent solder from depositing on an Au layer. SOLUTION: This manufacturing method comprises a wiring layer 3, through- holes 4, a conductor layer 5, an Au plating layer 6, and a solder resist layer 7 on an insulation board 1. A secondary Cu plating layer 15 and a solder plating layer 16 are formed on the wiring layer 3 and the Au plating layer 6. By leveler- treating, a solder layer 8 is provided on the solder plating layer 16 on the wiring layer 3 and the Au plating layer 6. A dry film 17 is provided on the solder layer 8 on the wiring layer 3. The solder layer 8, the solder plating layer 16 and the secondary Cu plating layer 15 are selectively etched with the dry film 17 used as a mask, thereby removing the solder layer 8, the solder plating layer 16 and the secondary Cu plating layer 15 on the Au wiring layer 6, and removing the dry film 17.
Patent JP-S62143637-A (JP)
Title: High water-content water-in-oil type oil emulsion composition
Inventor: TANJI HARUO
IPC: A23D7/015
Filed: 1985-12-16
Abstract: PURPOSE:The combination of polyglycerol condensed recinoleate ester with an unsaturated fatty acid ester, with a polyglycerol of a specific polymerization degree, as emulsifiers, is used to make a product of high emulsion stability. CONSTITUTION:When a high water-content, water-in-oil type fat composition is produced by converting a food oil into an emulsion which is composed of 20-70wt% of the oil phase and 30-80wt% of the aqueous phase, 0.1-5.5wt% of polyglycerol condensed recinoleate ester and 0.1-4.5wt% of an unsaturated fatty acid ester of polyglycerol of 7 or less polymerization degree are used as the emulsifiers. Resultantly, emulsion stability is improved in the preliminary emulsion before plasticization by rapid cooling and simultaneously, phase inversion and demulsification do not occur in the plasticization process by rapid cooling. Thus, a product of high emulsion stability is obtained, and the stability is maintained during the storage.
Patent JP-H04157651-A (JP)
Title: Motor controller for tape recorder
Inventor: KITAMURA SHIGEKI
IPC: G11B15/10
Filed: 1990-10-19
Abstract: PURPOSE:To accurately switch an operation of a tape recorder by waveform shaping a drive signal supplied from a motor driver to an armature winding into a pulse signal, counting the number of pulses, and setting normal and reverse rotating times of the motor. CONSTITUTION:A motor driver 12, a waveform shaper 17 for shaping a drive signal pulse signal output from the driver 12, a counter 18 inputting the pulse signal to be output from the shaper 17 and counting the number of pulses, and an operation controller 5 for controlling the operation of the driver 12 are provided. The drive signal supplied from the driver 12 to an armature winding is waveform shaped into a pulse signal, and the number of the pulse signals is counted to set forward and reverse rotating times of the motor. Thus, accurate rotating speed of the motor required to switch the operation of a tape recorder is obtained, and switching of the operation of the recorder can be effectively performed.
Patent JP-2001108856-A (JP)
Title: Optical fiber, and method of manufacturing the same
Inventor: MATSUMOTO KENJI
IPC: C03B37/012
Filed: 1999-10-04
Abstract: PROBLEM TO BE SOLVED: To provide an optical fiber of a flank emission type which has constant quality and can uniformly emit light outside with excellent reproducibility. SOLUTION: The optical fiber having a core in the central part and a clad which is disposed at the peripheral edge of this core and has a refractive index lower than the refractive index of the core is so constituted that a rugged structure is imparted between the core and the clad along the circumferential and longitudinal directions of the fiber.
Patent JP-2000081492-A (JP)
Title: Electronic clock
Inventor: KAWAGUCHI TAKASHI
IPC: G04C3/14
Filed: 1999-10-04
Abstract: PROBLEM TO BE SOLVED: To prevent erroneous display of an additional function by controlling the additional function or a basic function so that it acts differently from an ordinary action until an initial setting operation for the additional function is applied after a power source is inputted on or reset. SOLUTION: An analog electronic clock with a chronograph, for example, is provided with a power-on detection circuit 106, and when a power source is inputted on because of replacement of a battery or the like, a detection signal is outputted from the detection circuit 106 serving as a power-on clearing circuit and the like. Because of this signal, an output of a latch 107 is set at the H level, and a START/STOP signal of a chronograph circuit 111 is prohibited by means of an AND gate 109. When a switch RA 120 is turned on by operating a winding crown, switches PA 124, PB 123 are set in an initial mode for a chronograph hand. If either of the switches PA 124, PB 123 is turned on, the latch 107 is reset by means of AND gates 112, 113 or an OR gate 129, and prohibition of the START/STOP signal in the chronograph circuit 111 is canceled.
Patent JP-H08141714-A (JP)
Title: Device for removing burr of slab top
Inventor: NARUI TSUYOSHI
IPC: B23K7/10
Filed: 1994-11-17
Abstract: PURPOSE: To surely cut and remove the burr of a slab top caused by gas cut-off and to instantially cut and remove the burr during carrying the slab without stopping the slab carrying, in the carrying line of the continuous cast slab. CONSTITUTION: On a bite base 3 vertically shakable while using the front side in the advancing direction of the slab between carrying rolls R in the slab carrying line, the bites 4 having a cutting bite 6 part cut deep into the burr B at the lower surface of the slab top and side bite 7 parts retreated and inclined toward the advancing direction of the slab, are arranged. The bite base 3 is depressed to the lower surface of the slab with an air cylinder 5 and the burr B at the lower surface of the slab top is surely cut and removed during carrying the slab, and after removing, the cut burr is apart from the lower surface of the slab so as not to damage the lower surface of the slab.
Patent JP-H06130783-A (JP)
Title: Corona discharge device
Inventor: SHIMAOKA TAKASHI
IPC: G03G15/02
Filed: 1992-10-22
Abstract: PURPOSE:To obtain the corona discharge device where assembly operation ability of a wire is improved and the wire is prevented from being bent and spoiled when cleaning. CONSTITUTION:The device is constituted of a case 1 with an opening 2 opened on one surface, a pair of supporting parts 5 and 11 provided on both ends of the case 1 and having at least one of them provided freely, variably along the longitudinal direction of the case 1 and the conductive wire 6 with at least one end of it fastened to a tension coil spring 7 and hung between the supporting parts 5 and 11 and the desired tension is imparted to the wire 6 or the tension is released when cleaning the wire 6 by varying the mobile supporting part 11.
Patent JP-H05101652-A (JP)
Title: Memory refresh control device
Inventor: KAWAKAMI YASUHIRO
IPC: G11C11/406
Filed: 1991-10-03
Abstract: PURPOSE:To reduce power consumption by efficiently performing the refresh control of a RAM in each part of a system during a backup period. CONSTITUTION:The output terminal of an arbitration circuit 42 is given to the control terminal of a video RAM 32 via a control line 30, at the same time, it is connected to a first input terminal 46a of a changeover circuit 46 via a control line 38. To a second input terminal 46b of the changeover circuit 46, the control terminal of a system controller 18 is connected via a control line 34. The output terminal 46c of the changeover circuit 46 is connected to the control terminal of a system RAM 24 via a control line 36. A detecting signal SW for a power source switch state is received by the changeover circuit 46 from CPU 10 as a changeover control signal; when the signal SW is '1' for a system operation, the second input terminal 46b is connected to the output terminal 46c, and when the signal SW is '0' for a backup, the first input terminal 46a is connected to the output terminal 46c.
Patent JP-H10124702-A (JP)
Title: Device for manufacturing flame picture
Inventor: TAKAKURA AKIRA
IPC: G06T13/20
Filed: 1996-10-25
Abstract: PROBLEM TO BE SOLVED: To easily manufacture a real flame picture. SOLUTION: A flame picture manufacturing device 18 manufactures a flame picture by generating plural particles from a prescribed generating source prepared by a projection processor 14 from the shape of a candle or the like inputted from a shape inputting device 10 in each calculation step. That is, the flame picture manufacturing device 18 generates particles having particle information such as a center position coordinate, radius, and center color by using a designated and inputted parameter, moves the pertinent particles according to a rule of motion, changes the radius, defines the center of each particle as a common vertex, replaces it with plural polygons inscribed to a circle with the radius,  decides each polygon color by interpolating a color inside the polygon based on the center color set at the common vertex of each polygon and a color differently set at an inscribed vertex, and synthesizes the colors decided for all the particles.
Patent JP-H06120553-A (JP)
Title: Photodiode
Inventor: HARIKI TOSHIO
IPC: H01L31/10
Filed: 1992-09-30
Abstract: PURPOSE:To shield electromagnetic wave noise effectively by providing a photodiode with an electromagnetic wave shielding film on the surface of the same. CONSTITUTION:A PN connection is formed between a P-type high-resistance silicon semiconductor substrate 1 and a N-type diffusion layer 2 on the surface of the substrate 1. A channel stopper layer 8 for improving leakage characteristics is formed. A rear surface electrode 6 is connected to the rear surface of the P-type high-resistance silicon semiconductor substrate 1 through a diffusion layer 7 by ohmic connection. A surface electrode 4 and an insulating film 3 are formed on the surface of the N-type diffusion layer 2 while a conductive film or a polysilicon film 9 is formed on the insulating film 3. The conductive film acts as the shielding film of electromagnetic wave noise. An insulating film 10 for insulating the polysilicon film 9 from the surface electrode 4, and an electrode 11 for connecting the polysilicon film 9 to the low-potential side P-type high-resistance silicon semiconductor substrate 1 through the channel stopper layer 8 is formed on the polysilicon film 9. Further, a surface protecting film 5 is formed.
Patent JP-2000151004-A (JP)
Title: Absolute laser wavelength calibration method using light-absorption line of carbon atom and molecular oxygen, and laser system subject to absolute wavelength calibration
Inventor: LEINHOS UWE
IPC: H01S3/225
Filed: 1999-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a laser system wherein the absolute wavelength of an excimer laser is accurately and efficiently calibrated. SOLUTION: This laser system comprises a discharge chamber 2 filled with a mixed gas containing a laser active material and a trace amount of light-absorbing chemical material. The light-absorption chemical material comprises at least one light-absorption line in the output radiating spectrum of the laser. Output radiation 12 of the laser is narrowed and adjusted within a wide band radiation spectrum of the laser, comprising at least one light-absorption line. The absolute wavelength of narrowed radiation can be calibrated, when the narrowed radiation is adjusted by the light-absorption line. The light-absorbing chemical material is preferably carbon atom or molecular oxygen. The carbon atom or molecular oxygen is provided by introducing a trace amount of organic molecules or molecule comprising oxygen into the discharge chamber 2, in which a laser active material is present first.  Then the molecules interact each other in the discharge chamber 2 to generate carbon atoms or molecular oxygens.