baber/WOPTO huggingface dataset:
Patent JP-H01207097-A (JP)
Title: Thread cutter of cycle sewing machine
Inventor: TAKAHASHI AKIO
IPC: D05B65/02
Filed: 1988-02-15
Abstract: PURPOSE:To perform with certainty a loop spreading or a thread cutting operation by providing a thread cutter starting part attached to a feed control cam and also a block member to block engagement between a cam follower and a thread cutter cam when disconnected from a thread cutter starting part, and allow the engagement when connected. CONSTITUTION:A block member 40 is rotatably supported by a supporting shaft 40a between a feed control cam 22 and an intermediate lever 32, and energized for turning by a spring 41. When a follower piece 44 of a block member 40 engages a peripheral face 37 of a feed control cam 22, the block member 40 is placed in a working position, with a block pawl 43 of a block member 40 engaged with an engaging projection 42 of an intermediate lever 32, a cam follower lever 31 is placed in a waiting position against an energizing force of a spring 32b and separated from a thread cutter cam 30. Meanwhile, when a follower piece 44 engages a projection 39 of a thread cutter starting piece 38, the block member 40 is placed in a non-working position, with a block pawl 43 separated from the engaging projection 42, and a cam follower level 31 is placed in a engaging position by an energizing force of a spring 32b and engaged to a thread cutter cam 30.
Patent JP-H06251525-A (JP)
Title: Servo track writer
Inventor: KAWASAKI KATSUYOSHI
IPC: G11B21/10
Filed: 1993-02-23
Abstract: PURPOSE:To make the error of a writing head generated by the accuracy of a position deciding control small and to make the amplitude of a servo track small. CONSTITUTION:A detective signal Sf with one second resolution from an rotative type encoder 12 outputted accompanying the driving of a driving motor 11 is devided at the rate of 0.1 second by a devider 22 and made to a detective pulse Sg. At a central processing unit 18, a driving value Sv is gained based on this detective pulse Sg and a command signal from a host computer 50, the driving motor 11 is driven based on the driving value Sv and thus, the driving of the driving motor 11 is controlled at 0.1 second unit, the amplitude of a writing head 6 generated by the error of the position deciding control of the writing head 6 is made small and the amplitude of the servo track is made small.
Patent JP-S62191828-A (JP)
Title: Method for orienting ferroelectric liquid crystal
Inventor: MOCHIZUKI AKIHIRO
IPC: G02F1/1337
Filed: 1986-02-17
Abstract: PURPOSE:To permit uniform orientation of a ferroelectric liquid crystal over a large area by preliminarily forming a thin liquid crystal layer of the ferroelectric liquid crystal to the boundary of substrates in contact with the liquid crystal prior to sealing of the ferroelectric liquid crystal between the substrates. CONSTITUTION:The substrate 3 patterned with transparent electrodes is disposed on a heater 2 in a vacuum vessel 1. A prescribed amt. of the ferroelectric liquid crystal L1 is further put into a heater 4 for vapor deposition. After the inside of the vessel 1 is evacuated, the heater 4 is heated and the vapor deposition is continued to form the liquid crystal layer 5 of the liquid crystal L1 on the substrate 3. All the liquid crystal molecules line up toward one direction in the layer 5 formed on the substrate 3 in such a manner and are uniformly oriented across the front face of the substrate 3. Two sheets of the substrates 3 formed with the layers 5 in the above-mentioned manner are disposed to face each other to manufacture a liquid crystal panel. The ferroelectric liquid crystal is sealed into such panel. The sealed ferroelectric liquid crystal receives the orientation control force to control the layers 5 as the oriented layers as a whole. The liquid crystal device provided with high-speed switching and high contrast ratio is thus obtd.
Patent JP-S57150145-A (JP)
Title: Optical disc device with floating head
Inventor: TSUKADA EIICHI
IPC: G11B7/122
Filed: 1981-03-11
Abstract: PURPOSE:To achieve an optical disc device equipped with a floating head having simple, small-sized, lighweight and low-cost construction, by executing focusing tracking control of a condenser lens with air floatation using a gimbals mechanism. CONSTITUTION:An optical head consisting of a condenser lens 4, an optical system 14, and a photodetecting system 15 is mounted and fixed on a head positioner 16, which is driven toward the arrow AB with a high-speed type driving mechanism 21 so that a light spot of the optical head can trace a track with a tracking error signal. On the other hand, the condenser lens 4 is fitted to a slider 17 so that the lens 4 has a fixed distance from a recording medium 2 on a disc 1. The slider 17 is fitted to a support member 20 via a gimbals spring 18 and a load spring 19 and it is floated so that the clearance between the slider 17 and the recording medium 2 can keep a fixed clearance, when the optical disc 1 rotates in a fixed speed. Thus, the floating head optical disc device having simple, small-sized and low-cost and light construction can be achieved.
Patent JP-H05235432-A (JP)
Title: Thickness longitudinal vibration piezoelectric porcelain transformer and driving method therefor
Inventor: UEHARA KANEO
IPC: H01L41/107
Filed: 1992-02-21
Abstract: PURPOSE:To obtain a piezoelectric transformer operable in a high frequency band and particularly a piezoelectric transformer for an on-board power source required for reductions in size and noise. CONSTITUTION:As shown in the drawing, a piezoelectric transformer has a laminate in which a plurality of inner electrode layers 13, 14 and piezoelectric porcelain layers 15, 16, 17, 18 are alternately laminated and the layers 16, 17 in contact through the layers 13, 14 are alternately reversely polarized, and comprises two low impedance parts 11, 11', one high impedance part 12 in such a manner that the part 12 is formed at an intermediate part between the parts 11 and 11'. The transformer can be operated with wide bandwidth in high frequency band of several MHz or more, has a small size, a high efficiency and can contribute to reduction in size of a power source.
Patent JP-H10229025-A (JP)
Title: Transformer assembling method, transformer, and transformer-mounting circuit board
Inventor: NISHIDA HIDEYUKI
IPC: H01F27/32
Filed: 1997-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a transformer assembling method by which a transformer can be constituted, so that the rapture strength of the transformer may be enhanced, the performance of a ferrite core many be brought out sufficiently, and the size and weight of the transformer may be reduced, and a transformer and a transformer mounting circuit board. SOLUTION: In order to constitute a transformer 10 of a bobbin 2, on which a winding section having a through-hole section for winding primary- and secondary-side windings 3 and primary- and secondary-side winding fixing sections are continuously formed from openings on both sides of the through-hole section, is integrally formed and a magnetic core 1 which is inserted into the through-hole section is provided, so as to surround the windings 3. Both or one of the primary- and secondary-side winding fixing sections is stuck to the magnetic core 1 with a thermosetting adhesive 4.
Patent JP-H10232972-A (JP)
Title: Box body payout device
Inventor: MURAKAMI SHINJI
IPC: G07F11/00
Filed: 1997-02-18
Abstract: PROBLEM TO BE SOLVED: To make a storage space for box bodies and a movement space for a slider small and to hold the stored box bodies in a stable state at all times as to the box body payout device which falls a stored box body in the through hole of the slider, and then slides the slider to an inflow hole and rays out the box body in a passing hole. SOLUTION: The slider 30 is provided slidably in a direction X, discharge openings 11h and 12h (formed into a quadrilateral for passing a box body) of two storage means are arranged at such an angle that the respective sides are not parallel to the slide direction of the slider 30; when the slider 30 slides and shift from the position where the passing hole 30h of the slider 30 and the discharge openings 11h and 12h are put one end the other, the slider 30 cuts off the discharge openings 11h and 12h within a range containing the three vertexes of the discharge openings 11h and 12h.
Patent JP-H05206596-A (JP)
Title: Metal base printed circuit board
Inventor: OTSUKA HIDEO
IPC: H05K1/05
Filed: 1992-01-27
Abstract: PURPOSE:To enable a metal base printed circuit board to be enhanced in wiring density, prevented from increasing in resistance with time, and improved in conduction reliability by a method wherein the exposed part of a base metal plate is connected to a circuit conductor with a sprayed metal layer. CONSTITUTION:A copper foil is laminated and bonded onto one side of a base metal plate 12 through the intermediary of an insulating layer 13 and then etched into a pattern for the formation of a circuit conductor 14. Then, a part of the copper plate 12 where the circuit conductor 14 is connected is subjected to a spot facing work for the formation of an exposed part 12a. Then, a stainless steel mask provided with a hole bored at a spot correspondent to the exposed part 12a of the copper plate 12 is set at prescribed position, and then copper is flame-sprayed from a spray gun to form a sprayed metal layer 21. By this setup, a wide space is not required for connection, so that a circuit board of this design can be enhanced in wiring density. As processes such as screen printing, plating, and the like are not required, the circuit board can be easily manufactured. Furthermore, a connection of high reliability can be attained without strictly controlling the surface of a faced spot in roughness.
Patent JP-S61195292-A (JP)
Title: Cleaning gun for heat exchanger fine tube
Inventor: NAKAMURA TADASHI
IPC: B08B3/02
Filed: 1985-02-21
Abstract: PURPOSE:To provide a labor saving and a complete working operation by a method wherein an extremity end of a cylindrical nozzle is pushed against an inlet port of a fine tube, a main body is slid through an outer cylinder and pushed into against a spring force, resulting in that each of the water passing ports is communicated to each other to inject the pressurized water so as to detect a resilient removal of the brush. CONSTITUTION:Pressurized water is supplied to the main body 4 and at the same time a brush item is pushed into a fine tube, an operating knob 3 is held with a hand, a tip 18 at the extremity end of the cylindrical nozzle 9 is pushed against an inlet opening edge of fine tube P, the main body 4 is pushed into the assembly, the pressurized water fed from the water supplying hose is guided into the nozzle 9 at a stage where the water passing port 15 of the cylindrical nozzle 9 is coincided with the water passing port 7 of the outer cylinder 6 so as to cause the water to be injected from the injection port 32. With this arrangement, the brush unit is pushed into the fine tube and finally the brush is removed from the long fine tube outlet and cleaned. When the pressurized water is injected from the injection port 32, a pipe inside pressure in a closed chamber is increased and the valve is pushed up through a bypassing passage and a communication passage, a sensing rod is pushed up and when the brush unit is removed, it is pushed down by a spring force and then it can be sensed.
Patent JP-H06227800-A (JP)
Title: Balance drive device for elevation arm type cargo handling device
Inventor: NAKASUJI KOUICHI
IPC: B66F19/00
Filed: 1993-01-28
Abstract: PURPOSE:To prevent the occurrence of the delay of the elevating speed and the moving speed of a loading cargo owing to the change of the load of a hydraulic cylinder occasioned by the angular change of an arm and the occurrence of instability of operation to the arm without arranging a balance weight and a balance spring, in a cargo handling device having arms driven for elevation by means of the hydraulic cylinder. CONSTITUTION:A cargo handling device is provided with two arms 26 and 28 and operated to perform elevation and movement of a loading cargo suspended from the arm 28 on the tip side of a hydraulic cylinder 18 arranged to the base end of the arm 26 on the base end side. In the cargo handling device, counter balance valves 63 are located in the respective return flow passage of oil pressure chambers 68 and 69 on both sides of the piston of the hydraulic cylinder 18 the load of which is changed according to the angles of the arms 26 an 28. The pilot port of the counter balance valve 63 is communicated with the hydraulic feed piping of the oil chamber on the opposite side through a check valve 64 to allow a flow toward the pilot port side and a throttle valve 65 connected in parallel to the check valve.
Patent JP-S57147872-A (JP)
Title: Non-aqueous electrolyte battery
Inventor: NAKAI YORIAKI
IPC: H01M50/528
Filed: 1981-03-10
Abstract: PURPOSE:To reduce the internal resistance of a non-aqueous electrolyte battery by welding a conductive current collector, which is electrochemically inactive and has a number of spiky projections, to the bottom of a negative can, and pressing a negative active material upon the said current collector so that the said current collector is buried in the negative active material. CONSTITUTION:A current collector 2 consisting of a disk-like stainless steel member and a number of spiky projections protruding from the above member, is welded to the bottom of a negative can 1. Next, the current collector 2 is buried in a negative active material 3 by pressing the material 3 upon the collector 2 so that the ends of the spiky projections of the collector 2 are bent. After  that, a non-aqueous electrolyte battery is constituted by the combination of a  positive mixture 5, a separator 6, a positive can 7 and a gasket 4. Owing to the  above constitution, the adhesion between the collector 2 and the material 3 can  be secured, and the electric conductivity and the current collecting performance  between the collector 2 and the material 3 can be improved. Consequently, the internal resistance of the battery can be reduced, and the utilization rate of the  battery can be increased.
Patent JP-H11217887-A (JP)
Title: Attic space ventilation member and attic space ventilation structure
Inventor: ISHIKAWA EIICHI
IPC: E04D1/30
Filed: 1998-01-30
Abstract: PROBLEM TO BE SOLVED: To provide an attic space ventilation member and an attic space ventilation structure capable of performing sufficient ventilation of an attic space for simplification of the execution of a work and surely preventing leakage of water to the attic space. SOLUTION: An attic space ventilation member is provided with a cylindrical body part 1A extending through the sheathing roof board of a batten seam roofing roof, and a cover part 1B to cover the upper part thereof. The body part 1A has a duct part 1C extending through the sheathing roof board, a flange part 1D joined in a liquidtight state with the upper surface of the sheathing roof board, an annular wall part 1E protruding to thereabove, and a plurality of stay parts 1G which is protruded to a position thereabove and form a ventilation window 1F between the cover part 1B and the stay part. The cover part 1B has a fit-in part 1H to be fitted in the upper end of each stay part 1G and a hood part 1I overhanging from the periphery thereof.
Patent JP-H05202026-A (JP)
Title: Production of aliphatic aldehyde trimer
Inventor: WAKASUGI TAKASHI
IPC: B01J27/10
Filed: 1992-01-24
Abstract: PURPOSE:To obtain the subject aliphatic aldehyde trimers in good yield with facilitated separation of a catalyst without causing problems of waste water treatment by cyclizing an aliphatic aldehyde in the presence of a specific catalyst. CONSTITUTION:A 2-4C aliphatic aldehyde having the chlorinated 2-position, i.e., monochloroacetaldehyde, 2-chloropropionaldehyde or 2-chlorobutyraldehyde is cyclized in the presence of a catalyst selected from the group consisting of zeolite, heteropoly-acids and Lewis acids in an organic solvent to afford the objective aliphatic aldehyde trimers of the formula (R is H, methyl or ethyl). All the trimers can stably be preserved at ordinary temperature for a long period and are depolymerized by thermal distillation in the presence of an acid catalyst to provide high-purity monomers. Thereby, the aldehyde can be preserved as the trimers, depolymerized in use, converted into the monomers and used for reaction.
Patent JP-S52118750-A (JP)
Title: Jib tip position control means for jib crane
Inventor: KAWATOMO OKITAKA
IPC: B66C13/48
Filed: 1976-03-31
Abstract: PURPOSE: To provide the above-identified control means, which can move the jib tip of a crane along a predetermined vertical plane by operating either revolution or luffing motion. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11233387-A (JP)
Title: Manufacture of laminated ceramic electronic component
Inventor: SAKAGUCHI YOSHIYA
IPC: H01G13/00
Filed: 1998-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a laminated ceramic electronic component which does not have cracks or delaminations. SOLUTION: A metal film 2a used as an internal electrode 2 is formed on a ceramic sheet 1a, which consists of polyethylene and dielectric powder and has 70% porosity through a thin-film formation method. Next, a plurality of ceramic sheets 1a are laminated, and after pressurization are heat-treated to obtain a laminate. The laminate is cut into the shape of a chip thereafter, to obtain a burned sintered body. Subsequently, external electrodes are formed on the both exposed end faces of the internal electrodes of the laminate.
Patent JP-H05232724-A (JP)
Title: Electrophotographic sensitive member
Inventor: OMOTE ATSUSHI
IPC: G03G5/05
Filed: 1992-02-21
Abstract: PURPOSE:To provide an electrophotographic sensitive organic substance of single layer structure in the positive electrostatic charging system, which consists of a combination of an X-type phthalocyanine and an appropriate high polymer binder and can be used both in a high performance and low-cost normal type copying machine and laser printer. CONSTITUTION:A-type metalless phthalocyanine and perylene series compound and polystylene are dissolved in tetrahydrofuran and mixed dispersedly to cause change of a part of crystal, and the resultant is applied onto a base board and dried to yield a single layer type electrophotographic sensitive member, i.e., photoreceptor, with which the service wavelength range can be widened while maintaining the sensitivity characteristics and environmental stability as provided originally and which can serve both for a low-cost normal type copying machine and a laser printer.
Patent JP-H05235025-A (JP)
Title: Manufacture of mos transistor
Inventor: UEDA TAKASHI
IPC: H01L29/78
Filed: 1992-02-21
Abstract: PURPOSE:To provide the method for manufacture of a MOS transistor with which the heavy metal coming into a substrate in a source-drain forming process can be gettering-treated without deterioration of element characteristics. CONSTITUTION:A gate insulating film 12 is formed on the surface of a semiconductor substrate 1. Conductive films 10, 9 and 8 are deposited successively, a resist 7 is provided, processed in the same pattern and a gate electrode G and a protective film 8, which covers the gate electrode G, are formed. A gettering site 6 is formed on the inside part 1b of the substrate on both sides of the gate electrode G by implanting the prescribed ions using the protective layer 8 as a mask. The prescribed ions are implanted using the protective layer 8 as a mask, the implanted ions are activated by conducting a heat treatment, and source and drain regions 13 and 14 are formed on the substrate surface 1a on both sides of the gate electrode G.
Patent JP-H10234093-A (JP)
Title: Earphone and earphone set
Inventor: ISHII YOSHIKO
IPC: H04R1/10
Filed: 1997-02-19
Abstract: PROBLEM TO BE SOLVED: To provide the earphone that does not stand out when worn and the case does not easily get out of the ear holes during wearing, and accordingly music or voice with high sound quality is surely heard without causing leakage of voice, sound quality deterioration and deficient sound volume and that causes no difficulty of handling and storage. SOLUTION: Voice output sections 2 inserted to the ear holes are provided to both ends of a nearly U-shape link 1 bypassing under the chin or the nape, and a code connection section 3 is provided in the middle of the link 1 and each voice output section 2 and the code connection section 3 are connected electrically by a wire. Then, the line 1 has an elasticity to press the voice output section 2 toward the inner wall face of the ear pits when the voice output section 2 is inserted to the ear pits.
Patent JP-S60180993-A (JP)
Title: Pulling method of gaas single crystal
Inventor: NAKAI RIYUUSUKE
IPC: C30B15/36
Filed: 1984-02-24
Abstract: PURPOSE:To dispense with formation of a flanging part of complicated shape, and to grow easily the titled single crystal by specifying the size of the seed crystal to be used in the method for pulling a GaAs single crystal with the liquid-capsule Czochralski method. CONSTITUTION:The material melt 1 is charged into a crucible which is heated with a heater, and the surface is covered with a B2O3 melt 2. A seed crystal 9 fixed at the lower end of a pulling shaft 7 is immersed into the surface of the melt 1. And a single crystal is pulled up while rotating the seed crystal 9. The size of the cross section of the seed crystal 9 is regulated so that the diameter of the seed crystal may be equal to the outer diameter of the single crystal or close to the outer diameter (>50% of the outer diameter). The shape of the cross section of the seed crystal 9 is not limited to circular form, and other shapes such as a square of a polygon can also be used. Namely, any shape having cross- sectional area close to that of the single crystal can be used.
Patent JP-S56130330-A (JP)
Title: Metal mold of hot runner/cold gate system
Inventor: OKA SHIYOUZOU
IPC: B29C41/00
Filed: 1980-03-19
Abstract: PURPOSE:To provide the titled metal mold preventing a molten resin from being cooled and solidified in the runner constituted by providing a cold gate part to a touch point part of a product embossing part of a cavity plate and a runner gate. CONSTITUTION:A molten resin is injected and poured into the product embossing part 2 through a tapping passage R and the runner gate 3 to obtain a molded body. In this case, to the touch point of the product embossing part 2 of the cavity plate 1 and the runner gate 3, the cold gate 3 having a minimum size and an appropriate shape is provided. The molten resin can be stored in said cold gate part 4 and a cooling/heating minimum temp. range in carrying out the injection molding, especially, the continuous molding repeating the melting/cooling can be widen and the clogging due to the cooling and the solidification of the resin can be prevented.
Patent JP-S60178604-A (JP)
Inventor: AOYAMA MASAYOSHI
IPC: H01C7/02
Filed: 1984-02-24
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-H0565058-A (JP)
Title: Brake liquid pressure control device
Inventor: FUJII NATSUJI
IPC: B60T8/48
Filed: 1992-02-21
Abstract: PURPOSE:To prevent wasteful consumption of energy due to useless rotation of a pump and also facilitate a traction control while the liquid quantity in the master cylinder is prevented from decreasing at the time of anti-lock control of a brake liquid pressure control device. CONSTITUTION:Opening/closing valves 61, 64 are closed at the time of anti-lock control, and an accumulator 54 whose pressure is maintained by a pump 51 at a certain level is connected with wheel cylinders 20FR, 20FL, 20RR, 20RL through cut valves 63, 66. When the downstream pressure of the valves 61, 64 sinks relative to the upstream, differential motion members 62, 65 move to open the cut valves 63, 66. As a result, liquid pressure is supplied to the wheel cylinders 20 from the accumulator 54. At the time of traction control, the opening/closing valve 64 on the drive wheel side is closed along with opening of a gate valve 70, and liquid pressure is supplied from the accumulator 54.