baber/WOPTO huggingface dataset:
Patent JP-S5850780-A (JP)
Title: Field effect transistor
Inventor: HONJIYOU KAZUHIKO
IPC: H01L21/338
Filed: 1981-09-21
Abstract: PURPOSE:To remove surface depletion layers and reduce the resistance between a gate and a source resulting in high gains and low noises, by providing the second insulating gate electrode in the FET wherein a semiconductor of GaAs, etc. is used. CONSTITUTION:A source electrode 2 and a drain electrode 3 constituted of the metal which forms ohmic junctions are provided on an N layer 4 formed by an ion injection on the semiinsulating GaAs substrate 5. A first gate electrode 1 constituted of the metal which forms Schottky junctions is provided between the source electrode 2 and the drain electrode 3. An insulating film 6 is provided so as to cover together with the first gate electrode 1 on the surface thereof between the drain electrode side end 42 of the source electrode 2 and the source electrode side end 43 of the drain electrode 3, and the second gate electrode 7 is provided on this insulating film 6. The depletion layer generated on the N channel surface is perfectly eliminated by biasing this second gate electrode 7 to the positive voltage, and the amplified gains are increased by reducing the resistance between a gate and a source, and accordingly the low noise is contrived.
Patent JP-H04351288-A (JP)
Title: Flux and cream solder for soldering
Inventor: MINAHARA HATSUHIRO
IPC: B23K35/36
Filed: 1991-05-27
Abstract: PURPOSE:To provide the flux and cream solder for soldering which are excellent in solderability, are low in residues and do not require washing. CONSTITUTION:The flux and cream solder for soldering contains one or more of materials which generate peroxide as decomposition or oxidation products at the time of heating and one or more of inorg. and org. acid esters which generate acids by decomposition in the presence of these materials in combination.
Patent JP-S63313295-A (JP)
Inventor: MATSUDA TETSUO
IPC: G07F11/24
Filed: 1987-06-16
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-H0713386-A (JP)
Title: Toner for electrophotography
Inventor: KAWASAKI KANJIRO
IPC: G03G9/08
Filed: 1993-06-21
Abstract: PURPOSE:To provide a toner, by which a high quality image can be formed with a high photographic density for a long time in non-contact development CONSTITUTION:A toner, in which an outside additive is applied to a toner base particle consisting of major constituents such as a fixing resin, a mold releasing agent, and a coloring agent, is used for a developing method, in which an electrostatic latent image carrier and a toner carrier are arranged at the fixed interval and the toner is carried on the toner carrier by the thinner thickness than the interval so as to be blown onto an electrostatic latent image on an electrostatic latent image carrier for developing it, and adhesiveness, which is due to vertical tensile rupture of the toner after application of a load of 1Kg/cm<2> to the toner, per a toner contact point is 0.015 dyne or less.
Patent JP-H08318498-A (JP)
Title: Trimming structure
Inventor: YANAGIMOTO CHUJI
IPC: B26F1/44
Filed: 1995-05-23
Abstract: PURPOSE: To provide a trimming structure to trim the sheet material consisting of paper or plastics at excellent precision. CONSTITUTION: A blade 2 for forming the ruled line and a blade 3 for cutting are implanted on a die board 4. The blade 2 for forming the ruled line is provided on the die board 4 in a vertically movable manner. The blade 2 for forming the ruled line is projected from the blade for cutting by the small amount H by the elastic force of an elastic member 9. The elastic member 9 allows the blade 2 for forming the ruled line to be retracted by the small amount H by pressing the blade 2 for forming the ruled line to the die board 4 side.
Patent JP-H0719035-A (JP)
Title: Partially heating type catalytic converter
Inventor: YOSHIZAKI KOJI
IPC: F01N3/20
Filed: 1993-06-21
Abstract: PURPOSE:To provide a partially heating type catalytic converter which has sufficient durability, particularly, durability to thermal stress and by which electric power consumption is reduced and which has an excellent catalyst heating characteristic. CONSTITUTION:Metallic foils 2 and 3 are wound in a spiral shape around a center electrode 1, and insulating layers 4a and 4b are interposed between the metallic foils in the first area A separated to the outer peripheral side from the center electrode 1 and the second area B further separated to the outer peripheral side from this first area A, and the two ring shape heater parts A and B are formed, and carrier areas C, D and E except those are formed as the non-heater parts.
Patent JP-S5481880-A (JP)
Title: Electronic watch
Inventor: OGAWA TOKUKADO
IPC: H05K9/00
Filed: 1977-12-13
Abstract: PURPOSE: To achieve higher stability of oscillation and easier time accuracy adjustment by providing a synchronizing phenomenon preventing means between oscillators in an electronic watch which obtains the accurate time by independently oscillating two or more oscillators.  
     CONSTITUTION: One oscillator is constituted by a crystal vibrator 1, a trimmer condenser 5, the oscillation inverter 3a of MOS-IC 3 and the portions 7a, 7b of a MOS-IC lead plate 7, and other oscillator is constituted by a crystal vibrator 2, a capacitor 4, a trimmer condenser 6, the oscillation inverter 3b of MOS-IC 3 and the portions 7c, 7d of a MOS-IC lead plate 7. The crystal cases are grounded by earth electrodes 3c, 7e and 7f, 7g to shield the cases so as not to cause synchronizing phenomena owing to the electromagnetic waves produced by the currents flowing in the oscillators. Crystal cushions 8,9 are disposed between the crystal vibrators 1, 2 and circuit case 10 to eliminate the synchronizing phenomena owing to the mechanical vibrations leaking from the crystal oscillators. The two oscillators are spaced as further as possible to obviate the occurrence of the synchronizing phenomena. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5577203-A (JP)
Title: Strip line type circulator
Inventor: OZAWA SUSUMU
IPC: H01P1/387
Filed: 1978-12-05
Abstract: PURPOSE:To realize mechanical and electrical stabilization with miniature and easy package by making the outer diameter of an earth tongue a little bit greater than the diameter of a ferrite board and by fixing a part adjacent to the outer circumference of this tongue to a strip line substrate. CONSTITUTION:Center conductor 2', arranged between two ferrite boards 5, has three terminals on its circumference at intervals of angle 120 deg., three earth tongues 9 are arranged on the same plane as center conductor 2' in a container for center conductor 2', and circulator case 10 is formed on the external surface of ferrite board 5. Then, the outer diameter of tongue 9 is a little bit greater than the diameter of ferrite board 5 and a part adjacent to the outer circumference of tongue 9 is fixed on substrate 7' with the interposing earth pattern of strip line substrate 7'. Consequently, there is no need for screwing and mechanical and electrical stabilization is realized with miniature and simple package.
Patent JP-S635906-A (JP)
Title: Powder recovery device
Inventor: TAKAYAMA AKIHISA
IPC: B29K21/00
Filed: 1986-06-27
Abstract: PURPOSE:To automatically recover and charge powder and consequently contrive to improve the productivity and quality by a structure wherein a powder receiving conveyer is arranged below kneading rolls and a carrying conveyer, which is supported by a elevating means running between the kneading rolls and below the powder receiving conveyer, is installed below the delivery end part of the powder receiving conveyer. CONSTITUTION:During the kneading operation by kneading rolls 1a and 1b, a part of powder Q charged to rubber W falls on a powder receiving conveyer 3 and accumulates thereonto and is transferred onto a carrying conveyor 4 when a certain amount of the fallen powder accumulates on the conveyer 3. The carrying conveyer 4 is shifted to the position of an elevating frame 5 and, after that, the conveyer 4 is raised to the predetermined position above the kneading rolls 1a and 1b so as to charge the powder Q onto the rubber W. Next, the empty carrying conveyer 4 is shifted to the position of the elevating frame 5 and lowered to the predetermined position below the kneading rolls 1a and 1b and, after that, shifted below the delivery end part of the powder receiving conveyer 3 so as to be ready for receiving the powder Q.
Patent JP-H01316797-A (JP)
Title: Speech response control method
Inventor: KITAMIKADO YOSHIHIKO
IPC: G10L13/00
Filed: 1988-06-17
Abstract: PURPOSE:To shorten the time for operation guidance by selecting the speed of the operation guidance at the head of a call processing sequence, and thinning out data on the operation guidance to half for a user two has an experience of several-time use and generating a speech. CONSTITUTION:A speech control part when sending out an operation guidance message performs two kinds of operation according to the indication of a system control part. Namely, when the speed is increased, data on the digitized operation guidance is voiced while thinned out to half to reduce the time for the operation guidance to half. Further, when a slow speed is indicated, constant- time voiceless parts are provided before and after a word corresponding to the key word of the fractionized operation guidance. Consequently, the time for the operation guidance is shortened.
Patent JP-H11337131-A (JP)
Title: Engine room structure for engine heat pump
Inventor: SUMIYA KOSUKE
IPC: F24F5/00
Filed: 1998-05-29
Abstract: PROBLEM TO BE SOLVED: To obtain an engine room for an engine heat pump excellent in silence performance by reducing noise generated out of the engine room. SOLUTION: An engine room is constituted of a ceiling wall 28 and a base floor 10 for the engine room, which are provided with a double structure while ribs 24 are provided in the base floor 10 so as to be levitated from a lower plate 22 and an expansion chamber, having sound deadening effect, is provided in a space in the ceiling wall 28 between the ventilating air inlet port 33 of a lower plate 30 and the ventilating air outlet port 31 of the upper plate 29 with a distance long enough. Further, the outer wall plates are constituted of corrugated sheets while an elastic packing having inner and outer double layers of air layers is provided in the gap of the corrugated outer wall plates.
Patent JP-S5481758-A (JP)
Title: Protection unit
Inventor: YOSHIOKA RIYUUICHI
IPC: H03F1/52
Filed: 1977-12-12
Abstract: PURPOSE: To protect the complementary circuit, by blocking the audio signal fed to the final stage transistor at load short circuit, through the comparison of the voltage at the output terminal with the voltage in the final stage bias circuit.  
     CONSTITUTION: The audio amplifier is constituted with capacitors 14, 15, 16, and 52 and transistors 20, 21, 22, and 23, differential circuit 29 using transistors, diodes 24 to 28, and load 53. With this constitution, the comparison circuit 31 is newly added to the junction of diodes 27 and 28 constituting the bias circuit out of the output terminal 2 and the complementary circuit. Further, by using the output signal of the circuit 31, the interruption circuit 30 blocking the audio signal fed to the base of the transistor 18 is newly attached. Thus, the transistors 20 to 23, especially 21 and 23, can be protected at load short circuit and the performance of the audio amplifier can not be deteriorated. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H0926111-A (JP)
Title: Diffuser for coal nozzle burner
Inventor: JIEFURII EI RAROOZU
IPC: F23D1/00
Filed: 1996-05-22
Abstract: PROBLEM TO BE SOLVED: To diffuse uniformly pulverized coal passing through a diffuser while penetrating through a coal nozzle by penetrating a shroud with a plurality of plate-like support legs and extending the support legs in the radial direction toward the outside and binding the support legs with a coal nozzle and laying out each support leg with the axis of the coal nozzle at a fixed angle. SOLUTION: A diffuser 10 is located near the outlet 12 of an elbow 14 on the upstream side and designed to redistribute coal. A shroud 16, which is an area reduction type or a truncated cone-shaped type., catches some of coal and pushes out the caught coal directed at an inner surface 18 of a nozzle 2. The diffuser 10 has four support legs where each support leg 22 is provided with a fixed angle with respect to a nozzle axial line 24, that is, an angle of 10 degrees. In addition to that, the adoption of four support legs makes it possible to embody coal distribution which is unavailable in a prior art practice and increase the degree of allowance to roping of coal on the upstream side of a coal nozzle.
Patent JP-S5953465-A (JP)
Inventor: SORANJIYU ADAMUUMORINA
IPC: C07D317/00
Filed: 1983-08-18
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-H01316632-A (JP)
Title: Device and method for evaluating mechanical property of thin film
Inventor: YAMAMOTO SHUJI
IPC: G01N3/46
Filed: 1988-06-17
Abstract: PURPOSE:To easily obtain a highly reproducible measuring value by providing an AE sensor, spectrum analyzer, and interface. CONSTITUTION:An AE sensor 6 is connected with an indentor 3 and senses elastic waves produced when a thin film is removed from a base plate. AE signals sensed by the sensor 6 are recorded on the Y axis of an X-Y recorder 10 as AE intensities after AE-amplification 9. The load applied to the indentor 3 is sensed by a load cell 7 and sent to the recorder 10 through a load cell amplifier 8 and the load is recorded on the X axis at the load value of the indenter 3. Moreover, the AE signals are transferred to a computer 13 through an interface 12 after they are analyzed by a spectrum analyzer 11 as the amplitude, etc., of the elastic waves produced at a sample 2 and the total sum of the number of elastic wave produced times, amplitude distributing state, and the amplitude of measured elastic waves is calculated.
Patent JP-H08320012-A (JP)
Title: Screw head cap
Inventor: NAKAMURA TOSHINOBU
IPC: F16B37/14
Filed: 1995-05-25
Abstract: PURPOSE: To provide a screw head cap of a structure which is easily mounted and demounted, has low height and satisfactory apperance, and inexpensively form a die for resin injection molding. CONSTITUTION: An inner peripheral part of a skirt 3 of a lid part 1 is obliquely widened within the range of 80 to 85 degrees with respect to a horizontal surface of the lid part. An outer peripheral part of a bent portion 4 of a washer 2 is obliquely widened with the same tapered angle of the inner peripheral part of the skirt within the range of 80 to 85 degrees with respect to a horizontal surface of the washer. A lid body 5 has substantially even thickness which is the ratio ranging 0.7 to 0.95 with respect to maximum thickness of the skirt.
Patent JP-H06339191-A (JP)
Title: Grill for speaker
Inventor: TAKEHARA HIROSHI
IPC: H04R1/22
Filed: 1993-05-31
Abstract: PURPOSE:To provide a speaker grill by which sound quality deterioration due to reflection of sound to an inside of a grill frame is prevented with a simple configuration without increasing the number of components and without need for any special component forming, etc. CONSTITUTION:The speaker grill is a grill fitted on a front surface side of a speaker cabinet 2 and a Saran net 4 installed in stretching to cover an opening part of a grill frame 3 is extended from an outer part of the grill frame 3 to a back side of the gill frame 3 and a sound absorbing effect is provided to the Saran net 4 on the back side of the grill frame 3.
Patent JP-H10339374-A (JP)
Title: Butterfly valve
Inventor: KONDO MASAYUKI
IPC: F16K1/34
Filed: 1997-06-09
Abstract: PROBLEM TO BE SOLVED: To easily open/close a valve element by small torque in a condition well maintaining a seal quality. SOLUTION: A butterfly valve is constituted such that a valve element 3 is arranged able to open/close through a valve rod in a valve case, a peripheral seat surface 3a of the valve unit 3 is formed in circular arc shape by a prescribed radius of curvature from a center point on a center line A vertically crossing the valve element 3 through an axial center of the valve rod, and by fully closing the valve unit 3 through the valve rod, its peripheral seat surface 3a is brought into press contact with a valve seat 4 provided in an internal peripheral surface of the valve case. In this case, a radius of curvature R3 of a closing direction operating front side part 3A from the center line of the peripheral seat surface 3a is set smaller than a radius of curvature R4 of a closing direction operating rear side part 3B from the center line of this peripheral seat surface 3a.
Patent JP-H0314544-A (JP)
Title: 1,14-bis(4-nitrophenyl)-1,3,5,7,9,11,13-tetradecaheptaene and its production
Inventor: SASAKI MASAOMI
IPC: G03G5/06
Filed: 1989-06-12
Abstract: NEW MATERIAL:1,14-Bis(4-nitrophenyl)-1,3,5,7,9,11,13-tetradecaheptaene shown by formula I. USE:A high speed copying machine. An electrophotographic sensitized material showing high sensitivity for laser printer and suitable as an intermediate for producing bisazo compounds, an organic photoconductor especially useful as a lamination type sensitized material. PREPARATION:A phosphonium salt shown by formula II (R is phenyl or alkyl; X is halogen) is reacted with 5-(4-nitrophenyl)-2,4-pentadien-1-al shown by formula III in a solvent such as dried methanol in the presence of a basic catalyst such as lithium methoxide at room temperature - 100 deg.C to give a compound shown by formula I.
Patent JP-S63314364-A (JP)
Title: Kick type starting device for motorcycle and motor tricycle
Inventor: YOSHIZAKI KOICHI
IPC: F02N3/04
Filed: 1987-06-16
Abstract: PURPOSE:To ensure a sufficient arm length and prevent a reduction in appearance by constructing a kick arm of a kick type starting device from a main arm and an auxiliary arm which are made substantially straight under a kick condition, and locating the main arm so as to extend obliquely upwardly toward the front side under a rest condition. CONSTITUTION:A kick shaft 18 of a kick type starting device extending in parallel to a crankshaft is provided at a rear portion of a crank case 16 of an engine 15 for a motorcycle. An auxiliary arm 19 constituting a kick arm 20 is fixed to an outer end of the kick shaft 16 projecting outwardly from the crank case 16. The auxiliary arm 19 extends obliquely upwardly toward the rear side, and a supporting pin 19b is vertically inserted into a supporting portion 19a formed at a rear end of the auxiliary arm 19. A base portion 21a of a main arm 21 is pivotably supported to the supporting pin 19b in such a manner as to be rotatable between a rest position and a kick position of the main arm 21. At the rest position, the main arm 21 extends obliquely upwardly toward the front side, while at the kick position, the main arm 21 and the auxiliary arm 19 are made substantially straight.
Patent JP-2000333580-A (JP)
Title: Unhooking tool for fishing
Inventor: MATSUZAKA SATOSHI
IPC: A01K97/18
Filed: 1999-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a unhooking tool for fishing that can easily unhook the fish games with minimized damage, even when the fish gulps the hook into the throat deep and can take back home live fish games and further minimize the damage of the tackle terminal lead line. SOLUTION: This unhooking tool is constituted by providing a leader guide body 2 of a cylindrical tube that has an leader line insertion 21 in a slit form bored along its side wall of the tool from the front top to the rear end and guides the leader passed through the tube and a lid 3 having the lid main body that is made at least partially openable in the longitudinal direction of the leader insertion 21 except the leader-taking out opening provided on the rear end of the guide main body 2.
Patent JP-H05320742-A (JP)
Title: Two-step induction heat treatment of cylindrical parts
Inventor: TAGAWA TOMIHIRO
IPC: C21D9/40
Filed: 1992-05-19
Abstract: PURPOSE:To harden steel parts to a prescribed hardness with quenching without devel oping quench crack by induction-heating the outer surface of the steel parts at the time of quenching the cylindrical steel parts from a specific temp. or higher with a heat treatment apparatus arranged in the hollow part. CONSTITUTION:The temps. of the inner surface and the outer surface of the cylindrical steel parts W are heated at the Ac3 transformation point or higher so that the temp. gradient becomes the straight line while vertically moving a first induction heating device 1 in the hollow part of the cylindrical body W with a rod 3. While heating by vertically moving a second induction heating device 6 arranged near the outer surface of the cylindrical body W with a rod 7 so as to synchronize the shifting of the first induction heating device 1, by injecting cooling water from a cooling water injecting device fitted to the first induction heating device 1, the quenching is executed to make the inner surface high hardness martensitic structure. As the second induction heating device 6 heats the outer surface of the cylindrical body W at the same time, the outer surface of the cylindrical body is cooled at slower cooling rate than the critical cooling rate in the continuous cooling transformation curve (CCT curve) of thus steel, and the hardness is lowered and the development of the quench crack caused by expansion is reduced.
Patent JP-S5373725-A (JP)
Title: Whell suspension system for vehicle
Inventor: SANO SHIYOUICHI
IPC: B60G17/00
Filed: 1976-12-14
Abstract: PURPOSE:To improve the steering stability of a vehicle by providing a solenoid valve in a pneumatic spring circuit of an automatic level-control type hydropneumatic suspension system assembled with inner, outer and auxiliary cylinders, by decreasing the spring constant normally with the pneumatic spring and coil spring and by separating the pneumatic spring therefrom on an adverse road or at high speed running time.
Patent JP-H098195-A (JP)
Title: Method and apparatus for down setting lead frame
Inventor: ENDO HIROHISA
IPC: H01L23/50
Filed: 1995-06-16
Abstract: PURPOSE: To reduce the irregularity of the molding amount in the case of down setting by reducing the variation of the lower dead point of a punch even if a pressing pressure is changed with a simple structure. CONSTITUTION: The apparatus for down setting a lead frame comprises a lower die 10 mounted with a die 7, an upper die 1 for mounting a punch 2 at the lower part to move down it to the die 7 to down set it in a predetermined shape, two stoppers 4 fixed to both sides of the die 7 of the lower die 10 to decide the lower dead point of the punch 2 mounted at the lower part of the upper die 1 in collision with the moving-down upper die 1, and a plate 9 formed in section of substantially U shape and so disposed that the opening 9b is directed downward in the pressing pressure direction to be deformed by the pressure to alleviate the deformation of the upper die. Particularly, the opening size (x) of the plate 9 of the substantially U shape is preferably set to the same degree as the interval (y) of the two stoppers 4.
Patent JP-H07329239-A (JP)
Title: Etching foil sheet and production thereof
Inventor: IIMURA KEIJI
IPC: C23C14/20
Filed: 1994-06-08
Abstract: PURPOSE:To obtain a foil sheet capable of easily forming a complicated figure by etching and capable of applying decorative printing on the figure. CONSTITUTION:A transparent color layer 4 is formed on a flexible transparent base material sheet 3 made of a synthetic resin and a metal vapor deposition layer 5 is formed thereon and a protective layer 6 is formed thereon and all of the color layer 4, the vapor deposition layer 5 and the protective layer 6 are alkali-soluble. A self-adhesive layer 2 is formed on the surface opposite to the vapor deposition layer 5 of the base material sheet 3 and a release sheet 1 is laminated thereon.