baber/WOPTO huggingface dataset:
Patent JP-H0871852-A (JP)
Title: Helical involute cylindrical gear like member processing method
Inventor: HOSAKA AKIO
IPC: B23F17/00
Filed: 1994-09-01
Abstract: PURPOSE: To enable the processing of a gear like member with a desired helix angle without the restriction of face width by setting a relative tilt angle between a workpiece and a wire electrode corresponding to a helix angle as an opposed uniaxial tilt angle. CONSTITUTION: A relative tilt angle θ between a workpiece 26 and a wire electrode no corresponding to a helix angle to be machined is set as an opposed uniaxial tilt angle. In the coincident state of the uniaxial relative processing feed, speed and the feed speed by the rotation of the workpiece 26 on a gear base circle by the control rotation of the workpiece 26, wire electric discharge processing is performed to machine a first helical flute of V-shape cross section having a pair of opposed involute faces. This processing is repeated on the outer periphery of the workpiece 26 successively at the specified tooth space intervals so as to process the bottom of tooth paces with the helical flutes formed at the specified tooth space intervals.
Patent JP-S61123282-A (JP)
Title: Image compressing and restoring system
Inventor: NAKANISHI MICHIAKI
IPC: G06T9/00
Filed: 1984-11-20
Abstract: PURPOSE:To compress a pattern information by dividing the pattern obtained by a scanning for every some unit, comparing a divided block with a scanning line immediately before it and transmitting an information of a change in a form of a flag. CONSTITUTION:In a white and black level electrical signal obtained from a photoelectric converting device 1, an information of one scanning line is set in buffers 4 and 6. A pattern registered as the newest information is set in a buffer 5. The block contents of the buffer 5 and that of the buffer 6 at the same position are logically calculated in a discriminating circuit 8 and an infor mation showing whether a change is found in it or not is successively stored in a flag memory 11. Then this flag information is set at the buffer 5 in a route shown by dotted lines from the flag memory 11, added before a pattern information and transmitted in the same line.
Patent JP-H0797112-A (JP)
Title: Continuous conveying device for belt shape work piece
Inventor: NAKAGAWA NOBORU
IPC: B65H23/18
Filed: 1993-09-30
Abstract: PURPOSE:To offer a continuous conveying device which does not cause a belt shape conveying article to make any extensional deformation when a belt shape work pieces are conveyed under meandering by successively hanging them around a group of conveying rollers arranged vertically for drying and heat treatment purposes. CONSTITUTION:In order to dry and provide heat treatment of a belt shape work piece W easily elongatedly deformed, the work piece W is successively hung around a group of conveying rollers arranged vertically and conveyed under meandering. Force driving means 20, 21 to force drive each upper conveying roller 16 of a group of upper conveying rollers 15 toward the conveying direction synchronizingly are provided while each lower conveying roller 8 of a group of lower conveying rollers 7 are made to rotate freely. An accumulator 23 is then arranged between an outgoing guide roller 3 and a receiving means 9 and a control means 22 for driving the receiving means 9 only while the belt shape work piece W is an accumulated state is provided.
Patent JP-S6490330-A (JP)
Title: Sanitary washing apparatus
Inventor: MATSUI HIROYUKI
IPC: E03D9/08
Filed: 1987-09-29
Abstract: PURPOSE: To facilitate draining operations to prevent water from remaining in a connecting pipe and to remove dust and foreign matter in the connecting pipe by incorporating a filter and a check valve into a device main body and a water feeding part. CONSTITUTION: A device main body 1 has a water feeding part 17 and has a washing device built therein. The water feeding part 17 is fluid communicated to a faucet via a connecting pipe 16. A draining tap 23 with a filter 24 and a check valve 25 incorporated therein is provided in the water feeding part 17. During draining operations, the check valve 25 and the filter 24 are disconnected upon removal of the draining tap 23 and then no throttling part is present from the faucet to the connecting pipe 16, whereby water existing between the faucet and the connecting pipe 16 can surely be drained.
Patent JP-S61124284-A (JP)
Title: Speed controller
Inventor: TETSUYA TAKABUMI
IPC: H02P29/00
Filed: 1984-11-20
Abstract: PURPOSE:To enhance the transient response of a motor by correcting the later integrated value by the integrated value from when the speed deviation becomes zero at the first time to the time when the speed deviation becomes zero at the second time. CONSTITUTION:A speed deviation DELTAVn between a speed command Va and a speed feedback Vf is calculated by a proportional calculator 8, a differentiator 10 and an integrator 13. An integrating term A is stored from the time t1 when the speed deviation DELTAVn becomes zero at the first time at starting time to the time t2 when the speed deviation DELTAVn becomes zero at the second time. After the time t2, the product of the stored term A, the speed command value Va and the function F of the speed deviation DELTAVn is calculated, and the product of the integrated term after t2, the integrated term A and the function F, is added to integrate. Thus, the responding characteristics of the speed control system is improved to shorten the arranging time.
Patent JP-H0560952-A (JP)
Title: Optical semiconductor unit
Inventor: TANIZAWA YASUHISA
IPC: H01S5/02375
Filed: 1991-08-30
Abstract: PURPOSE:To locate an optical semiconductor device with high accuracy without adjustment and to improve productivity. CONSTITUTION:In an optical semiconductor unit which has the optical waveguide substrate 3, on the surface of which the waveguide 2 is formed, and the optical semiconductor device 1 optically joined with the optical waveguide 2 provided on the substrate 3 and which is made by fixing the electrode pattern provided on the back side of the optical semiconductor device 1 and electrode pattern provided on the optical waveguide substrate 3 with the metallic alloy, electrode pattern of the side of the optical waveguide substrate 3 is formed in the recessed groove formed on the optical waveguide substrate 3.
Patent JP-S63100404-A (JP)
Title: Parts for optical filter
Inventor: KAGAMI TOSHIRO
IPC: G02B5/20
Filed: 1986-10-17
Abstract: PURPOSE:To permit stable manufacture of artificial quartz crystal, to make the manufacturing cost inexpensive, and to obtain desired filter characteristics by coloring the artificial quarts crystal itself. CONSTITUTION:Parts of an optical filter are formed of artificial quartz crystal 8-10 colored in themselves. For example, artificial quartz crystal 8-10 are colored with at least one selected from Co, Fe, Al, Ni, Cu, V, Cr, or Ti. Among these elements Co and Fe have suitable characteristics preferable for the infrared rays. The coloring of the artificial quartz crystal may be executed in the stage of growth or after the growth of the artificial quartz crystal. Furthermore, it is preferred to form several or ten several layers of evaporated film 11 for interference on the surface of the artificial quartz crystal. By this method, stable manufacture is possible, the manufacture cost is made inexpensive, and desired filter characteristics are obtd.
Patent JP-S63102832-A (JP)
Title: Wire-cut electric discharge machining method
Inventor: HORI TOSHIMITSU
IPC: B23H7/02
Filed: 1986-10-17
Abstract: PURPOSE:To facilitate the positioning of a wire-electrode at the position of an initial hole, by providing, in an upper wire guide, a light source emitting a thin light beam having no twist to a workpiece, which light beam has a predetermined positional relationship with respect to the wire electrode and is parallel with the latter. CONSTITUTION:In order to position a wire-electrode 5 at the position of an initial hole 11, a wire guide 8 may be lowered to a position where machining is actually carried out. In this phase, although the positional relationship between the wire electrode 5 and the initial hole 11 becomes invisible, a light beam 13 from a light source 12, which has a predetermined positional relationship with respect to the wire electrode 5 and illuminates a workpiece is manually positioned. Thereafter, a numerical control device 10 which stores the distance between the electrode wire 5 and the light beam 5, which has a predetermined relationship, positions the wire electrode at the position of a desired initial hole 11. Accordingly, it is possible to facilitate the positioning of the wire electrode 5, thereby it is possible to enhance the efficiency.
Patent JP-H0590169-A (JP)
Title: Gas feeder, and microwave plasma film forming device equipped with same
Inventor: WATANABE KUNIHIKO
IPC: H01L21/31
Filed: 1991-09-25
Abstract: PURPOSE:To provide the title gas feeder advantageous to the even film formation in large area even if highly reactive gasses are used by a method wherein multiple pores are made in the two joined quartz plates while the inner space of the pores is divided into multiple parts so as to feed respective gasses from independent gas controllers. CONSTITUTION:Trenches 3 are provided in a quartz plate 16 side while gas blowing-off ports 2a, 2b are arranged on the reacting position of the quartz plate 1a. Besides, these quartz plates 1a, 1b are fixed by a quartz fixing jig 4. Material gasses are fed from gas feeding sources respectively and independently through gas feed pipes 5a, 5b. At this time, the space given to the quartz plate fixing jig 4 to introduce the gasses is partitioned off not to make them mix with one another. Accordingly, the gasses will not mix with one another in the title planar gas feeder flowing independently to be mixed with one another for the first time only after they are blown out of the blowing ports 2a, 2b. Through these procedures, the films can be evenly formed in a large area even if highly reactive gas sources are used.
Patent JP-H03108006-A (JP)
Title: Method and device for numerical control
Inventor: SHIBATA AKIHITO
IPC: G05B19/404
Filed: 1989-09-21
Abstract: PURPOSE:To eliminate a need to stop a servo motor at the time of switching the acceleration/deceleration system of the servo motor by calculating the control delay time accompanied with acceleration/deceleration processing to obtain a position command corresponding to the present servo motor position. CONSTITUTION:When a switching indication AD of the acceleration/deceleration time is given from an acceleration/deceleration system control part 2 to an acceleration/deceleration system switching processing sequence control party 101, the output of a differentiating circuit 104 as the change with the time of a position command x2 after acceleration/deceleration is sampled and held in a means 105 by a timing signal T2 and is outputted as a speed command vx0 for switching. Next, a switch SW 2 is switched by a signal T3, and a speed control part 103 drives a servo motor 14x in accordance with the command vx0. When the number of rotation coincides with the command, a control delay extent operating part 102 operates an extent xd of control delay for the command vx0, and an internal variable is set by an acceleration/deceleration processing part 11x. The extent xd is added to a present position by an adder 112, and the result is sent to a function generating part 1 as a present position command x0 and is used as the initial value to generate a function.
Patent JP-H08109857-A (JP)
Title: Muffling device for internal combustion engine
Inventor: KAMINAGA KOICHI
IPC: F02M35/12
Filed: 1994-10-11
Abstract: PURPOSE: To perform smooth slide of a moving member, to rapidly regulate the opening area of a communication hole, and to reliably reduce the frequency component of propagation noise changed according to the running state of an internal combustion engine. CONSTITUTION: A muffling device 17 comprises a resonance container 25; a moving member 26; and a coil spring 33. The moving member 26 comprises a cylindrical body part 27 slidably supported at an intake pipe 7; a pressure receiving part 28 displaced by receiving a pressure of intake air flowing through the intake pipe 7; and a valve part 29 to change the opening area of a communication hole 22. The moving member 26 is energized by a coil spring 33 in a direction extending against a pressure of intake air. In the muffling device 17, by changing the opening area of the communication hole 22, the component of the frequency, changed according to the running state of an engine, of propagation noise propagating through the intake pipe 7 is reduced through resonance operation of a resonance container 25 and the communication hole 22.  In such a state that the central axis L3 of the coil spring 33 is caused to coincide with the two axes L1 and L2 of the intake pipe 7 and the moving member 26, the coil spring 33 is arranged. The pressure receiving part 28 is formed in a shape which is linearly symmetrical about the axis L1.
Patent JP-S6487992-A (JP)
Title: Spiral pipe and manufacture thereof
Inventor: FUJII SHIGEKI
IPC: B29C70/10
Filed: 1987-09-28
Abstract: PURPOSE: To form a pipe-shaped body with high rigidity by spirally rolling a belt-shaped body of synthetic resins in parallel providing a plurality of projections with collars at one surface to a longitudinal direction and by attaching rolling reinforcing materials between the projections. CONSTITUTION: A plurality of T-shaped projections 11 having collars 12 at their tips are unitarily provided in parallel to a longitudinal direction on an upper surface of a belt-shaped body 1 of synthetic resins. Engaging recess sections 13 and engaging projection sections 14, which can be mutually engaged to both side edges, are provided. A spiral pipe 6 is formed spirally rolling the belt-shaped body of synthetic resins and engaging the engaging projection sections 14 to the engaging recess sections 13. A reinforcing material 2 is alternately engaged inserting into space between the projections 11 in a manner that both edges of the reinforcing material are engaged to the back of the collars 12 of the projections 11 of the spiral pipe 6.
Patent JP-2000078645-A (JP)
Title: Time setting method
Inventor: OKURA KOJI
IPC: H04W92/20
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To obtain time information from other base station even at when a public wire line cannot be used and to avoid inconveniences of the whole system by receiving the time information from another station through a radio public line and, based on this information, setting a time of its own base station. SOLUTION: When time information of a specified cycle is received from a center through an I' line and an I' line control part 11, this received information is compared with the time information at a clock part 13. When a difference is above a specified value, the time information from the center is reset at the clock part 13 and one counting of the number of clock correction times in a main control part 14 is incremented. Then, when plural base stations are disposed in a radio area, the time information and the number of correction times are transmitted to a base station 1 from these plural base stations. Based on this transmission information, the time information of other stations, whose number of correction times is the minimum, is set at the clock part 13 of its own base station 1. Thus, it is possible to hold the time information in which the number of times is the minimum, that is, which is high in reliability with few errors.
Patent JP-H1071468-A (JP)
Title: High frequency ac tig welding machine
Inventor: HIRAMOTO KIMIHISA
IPC: H02M9/00
Filed: 1996-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency AC TIG welding machine and its method which is free from arc drift even in low current density welding and which therefore is capable of high arc stability. SOLUTION: In an AC TIG welding machine; in which electricity is supplied to a welding torch 8, through a rectifier 1, inverter 2 and high frequency transformer 3, and further through a secondary side inverter 4 in one way and through a reactor 5 in the other way; in which a current bypassed from the reactor and taken out is fed back to the inverter 2 and supplied to the welding torch 8 through a pulse waveform controller 6 and a pulse width controller; and in which waveform of current, voltage, etc., are controlled; the current is designed to have a waveform of 500Hz or above, with the peak/base current values to have outputs ranging from 1.2 to 7.0; and welding is carried out under the above conditions.
Patent JP-S6399432-A (JP)
Title: Switcher of operation of ventilation fan
Inventor: KAWASAKI MASAHIKO
IPC: H02P23/03
Filed: 1986-10-16
Abstract: PURPOSE:To make it possible to change over the ventilation fan by remote- controlling the ventilation fan by simple wiring by supplying power from the side of a ventilation fan main body to a switch at hand, sending by changing over different signals of a plurality of kinds of pulse trains from the switch at hand to a control circuit, and judging these signals on the side of the ventilation fan main body. CONSTITUTION:Four pulse trains are generated by a switch 2-5, and a waveform control to make effective values of the power supply become equal to adjust the voltage of a DC power supply within the switch 2 at hand. At the same time, four kinds of signals are sent to a control circuit 3, and the pulse trains of these signals are judged by a judging circuit 3-3. A relay contact of a connection changeover circuit 3-4 of a motor is switched to carry out the speed adjustment of the ventilation fan. By these procedures, three-stage speed adjustment can be carried out by two wirings and power can be supplied from the ventilation fan main body side to the switch at hand. Hence, it is possible to prevent the wiring from being complicated.
Patent JP-H1187410-A (JP)
Title: Semiconductor device
Inventor: TAKAKUBO YOICHI
IPC: H05K3/34
Filed: 1997-09-11
Abstract: PROBLEM TO BE SOLVED: To enable retaining shielding effect against the noise coming from outside by a method wherein a cover plate is arranged on a protective substrate and a semiconductor chip, and the cover plate and a printed substrate are connected. SOLUTION: A semiconductor chip 3 is formed on the first surface of a polyimide tape substrate 1, ball terminals 11 are formed on the second surface of the polyimide tape substrate 1, and the polyimide tape substrate 1 is connected to a printed substrate 23 through the ball terminals 11. Also, a resist film 7, to be used to protect copper foil 5, is formed on the first surface of the polyimide tape substrate 1, and a stainless steel stiffener 15 is formed on the resist film 7 surrounding the semiconductor chip 3 using a bonding agent 17. A cover plate 21, which is formed by nickel-plated copper, is formed on the semiconductor chip 3 and the stiffener 15, and the copper plate 21 is connected to the printed substrate 23.
Patent JP-H08108969-A (JP)
Title: Coil winding machine tensile force adjusting device
Inventor: SHIBAZAKI TAKAYUKI
IPC: B65H51/12
Filed: 1994-10-12
Abstract: PURPOSE: To wind a coil while keeping tensile force of the coil always constant by adjusting a brake by performing comparison operation on an electric signal of a pressure detector and preset tensile force of a wire. CONSTITUTION: A wire 2 rewound from a wire drum 1 passes by copying after plural grooves of a tension roller 4 through guide rollers 3a and 3b, and enters a measuring roller 8 from a fixed roller 7a, and comes out of a fixed roller 7b, and is wound round a coil winding object 21 by using a terminal roller 10 as a guide. At this time, tensile force of the wire 2 is produced by a brake 5 of the wire drum 1 and an electric brake of the tension roller 4, and its tensile force is applied to a pressure detector 9 as compressive force.  This compressive force is inputted to a computing element, and comparison operation is performed with preset tensile force, and control is performed so that when the compressive force is larger than the preset tensile force, an electric current is reduced so as to loosen the electric brake of the tension roller 4, and to the contrary, when the compressive force is smaller than the preset tensile force, an electric current is increased so as to strengthen the electric brake.
Patent JP-H04126454-A (JP)
Title: Electrophotographic recorder
Inventor: TSUDA YUKIO
IPC: H04N1/23
Filed: 1990-09-18
Abstract: PURPOSE:To record both a pseudo intermediate tone picture or a character picture and a picture such as a fully black level picture in an excellent way by driving a light emitting means such as a light emitting diode sequentially during one line recording period in response to a processed picture data and a picture data generated by a processing picture data generating means. CONSTITUTION:An original data is inputted to an isolation point elimination section 40, in which a processed picture data is generated, in which an isolated picture element is eliminated from the inputted original picture data. While a processed picture data is fetched in a shift register 50, light emitting diodes D1-1-Dk-n are driven based on the original picture data and exposure processing by one line is implemented based on the original picture data. Then the light emitting diodes D1-1-Dk-n are driven based on the processed picture data and the exposure processing by one line is implemented based on the processed picture data. Thus, the two times of the exposure processing based on the original picture data and the processed picture data make the exposure processing by one line.
Patent JP-H1086194-A (JP)
Title: Injecting unit for injection molding machine
Inventor: KURODA HIDEO
IPC: B29C45/52
Filed: 1996-09-18
Abstract: PROBLEM TO BE SOLVED: To surely produce a product of long fiber-filled resin or powder filler- filled resin by reducing a resin flow resistance at an end of a plasticizing screw. SOLUTION: An extensive part 4a engaged with an inner periphery of a cylinder 3 is formed at an end side of a plasticizing screw 4. A groove 3a is formed along the inner periphery of the cylinder 3 so that a resin channel 20 is formed between the inner periphery of the cylinder 3 and the part 4a in the state that the screw 4 is disposed at a plasticizing reference position in the cylinder 3. At the time of plasticizing resin, the screw 4 is rotatably driven while disposing the screw 4 at the reference position, and molten resin 14 is fed from the channel 20 forward of the screw 4. At the time of injecting, the screw 4 is forward moved from the reference position, and the resin 14 forward of the screw 4 is injected while engaging the part 4a with the inner periphery of the cylinder 3.
Patent JP-H0987463-A (JP)
Title: Thermoplastic resin composition
Inventor: TAKEMOTO YOSHIHIRO
IPC: C08L69/00
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To obtain a thermoplastic resin composition having excellent mechanical strengths, molding processability and recycling property. SOLUTION: This resin composition comprises (A) 40-90 pts.wt. of a polycarbonate resin and (B) 5-60 pts.wt. of a rubber-reinforced resin containing a graft copolymer produced by graft-copolymerizing one or more kinds of vinylic compounds to a rubbery polymer. Therein, the viscosity ratio (r) of the component (A) to the component (B) at 240 deg.C and the shear rate w(s<-1> ) have relations: when 1×10<1> <=ω<=1×10<4> , 1<=r<=10, and the weight fraction X of the component (A), the average area Y of the phase of the component (A) and the average area Z(μm<2> ) of the component (B) have relations: when 0.4<=X<=0.7, 1<=Y<=300 or 1<=Z<=300, and when 0.7<X<=0.9, Z<=1. When a flame-resistant resin is also used as a base resin, excellent mechanical strength, processing flowability and mechanical strength balance are obtained.