baber/WOPTO huggingface dataset:
Patent JP-H05337994-A (JP)
Title: Production of injection-molded object
Inventor: ISHIKURA KAZUMASA
IPC: B29C45/56
Filed: 1992-06-10
Abstract: PURPOSE:To produce a molded object having a hollow part by forming a hollow part to the molten resin within a cavity by an injection molding method without introducing a compressed fluid such as high pressure gas into the molten resin under pressure. CONSTITUTION:A fixed mold 2a and a movable mold 2b are closed to form a cavity 3 and a molten resin 6 is injected into the cavity 3 in an amount sufficient to fill the cavity 3 from a nozzle 11. Immediately after the part being in contact with the cavity surface of the injected resin is cooled to form a solidified layer, the fixed mold 2a and the movable mold 2b are evacuated from the vent provided to the cavity surface to draw the solidified layer to the cavity surface and the movable mold 2b is allowed to retreat while the solidified layer is drawn to form a hollow part 71 in a molded object 7.
Patent JP-S5274784-A (JP)
Title: Sequence controller
Inventor: OSAKO KAZUYOSHI
IPC: G05B19/04
Filed: 1975-12-19
Abstract: PURPOSE: To make a common use of a single shot generating circuit indifferent with a number of an output terminal of a sequence controller. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H0442507-A (JP)
Title: Rare earth based permanent magnet and heat treatment thereof ad magnet body
Inventor: TAWARA KAZUNORI
IPC: C22F1/00
Filed: 1990-06-08
Abstract: PURPOSE:To obtain a rare earth based permanent magnet having superior magnetic characteristics without cracks or splits even if it is a large-size magnet by effecting a heat treatment in a low-temperature region by reducing the content of M so as to omit a rapid cooling process. CONSTITUTION:In a rare earth permanent magnet which is composed of a combination M of at least one kind of rare earth element R and Co, or Co and an element of Fe, Ni, Cu group, and also which consists of a sintered product having a composition which can produce RM5 and R2M7 phases, an M content of said sintered product is 63 - 65 wt.%. This sintered product is held in a temperature region T1 where a difference from a sintering temperature is within 300 deg.C, after which a furnace cooling is effected at 0.03 - 3 deg.C/min. of cooling speed. Then, it is held for 1 hour or over in a low-temperature region T2 where a difference from the sintering temperature is within 500 deg.C and also it is smaller than that in the temperature region T1.
Patent JP-H0318100-A (JP)
Title: Parts mounting device
Inventor: KARIGANE KOTARO
IPC: B23P21/00
Filed: 1989-06-15
Abstract: PURPOSE:To increase te kinds of parts which can be mounted by a simple structure by attaching plural kinds of attracting pins to an mounting head and selecting one of the attracting pins according to the kind of part to be attached, which is projected downward by a predetermined length. CONSTITUTION:A mounting head 7 compresses plural kinds of attracting pins 9A-9C. One attracting pin selected by selecting means 13, 40, 43, 50-53, and 55, for example 9C, projects downward by a predetermined length from the rest unselected attracting pins 9A and 9B and the selected attracting pin 9C effects the attraction, movement, and mounting on a board 3 of a part 75. The unselected attaching pins 9A and 9B are kept in the up position, so that they do not interrupt the actions of the selected attaching pin 9C taking a part out of a supply unit and mounting in on the board 3. Also, the kind of selected attracting pin can be changed according to the kind of a part to be attached. Furthermore, the plural kinds of attracting pins 9A-9C attached to one attaching head 7 can be moved up and down by a common mechanism. Thus, the increase in kinds of parts which can be attached by a simple structure can be contrived.
Patent JP-S637675-A (JP)
Title: Manufacture of superconducting device
Inventor: HIDAKA MUTSUO
IPC: H01L39/24
Filed: 1986-06-28
Abstract: PURPOSE:To prevent the junction characteristics from being deteriorated by any permeating pollutant such as oxygen etc. by a method wherein, after formation of a tunnel barrier layer, heat treatment is further continued in vacuum state at the temperature exceeding the maximum temperature in the process after the heat treatment. CONSTITUTION:Niobium is sputter-formed into a lower electrode layer 12 on a substrate 11; aluminium is further sputter-formed and oxidized on the lower electrode layer 12; and an aluminium oxide film is produced to form a tunnel barrier layer 13. Next, oxygen used for oxidation is exhausted and then the substrate 11 is heated in high vacuum state not exceeding 1.0 X 10<-6> Pa to be heat treated at 250 deg.C for 30 minutes. Later, niobium is sputter-formed to form an upper electrode 14 and a junction composed layer so that manufacture of et superconductive device may be completed by processing the junction composed layer, filming and processing, etc., of an insulating layer 15 and an upper interconnection layer 16. Through these procedures, the heat treatment is performed in high vacuum state after formation of the tunnel barrier layer 13 to prevent the junction charateristics from being deteriorated by the electrodes 12, 14 and the tunnel barrier layer 13 permeated with any pollutant such as oxygen etc.
Patent JP-H0443549-A (JP)
Title: Cold cathode fluorescent lamp device
Inventor: MISONO KATSUHIDE
IPC: H01J61/72
Filed: 1990-06-08
Abstract: PURPOSE:To enable the reduction of dead space at the end of a tube used as a back light by determining an operation condition for lessening the blackening of the tube end, even if the tube lights in a condition for causing abnormal glow discharge. CONSTITUTION:Provided that the current density of an electrode is jK (mA/Cm,<2>), cathode drop voltage is VK, sealed gas pressure is 'p' (Torr), and a mean distance between the aforesaid electrode and bulb wall is 'd' (cm) respectively, lighting takes place in a condition satisfying a relationship of jK . VK/P . d <=0.3 (w/Torr . cm<2>) and jK/p<2> >= 1.0 X 10<-2> (mA/cm<2> . Torr<2>). So long as the lighting takes place in the aforesaid condition, the blackening of a tube end can be kept at a low level for a long period. As a result, it becomes possible to satisfy the thin type design, high operation factor and brightness, and illumination improvement respectively of a back light.
Patent JP-S63312942-A (JP)
Title: High strength high toughness wear resistant aluminum alloy material having excellent cold forgeability
Inventor: MIYAGAMI AKIRA
IPC: C22C21/04
Filed: 1987-06-17
Abstract: PURPOSE:To provide the titled Al alloy material by forming the Al alloy contg., as essential components, optimum amounts of Si, Cu and Mg into quench solidified powders and executing molding and extruding thereto. CONSTITUTION:The alloy having the compsn. contg., by weight, 10-20% Si, 2-6% Cu and 0.5-2% Mg, furthermore contg. one or more kinds among 0.2-3% Fe, 0.2-2% Mn, 2-4% Cr and the balance consisting substantially of Al is formed into the quench solidified powders by an atomizing method, etc. Said powders are molded and extruded. Since said Al alloy material has excellent cold forgeability and has high strength and high toughness, it is suitable as the material for the parts relating to the engine of an automobile, etc., and can contribute to the lightweight and the improvement of the capacity of said parts.
Patent JP-H09172337-A (JP)
Title: Circuit for adjusting gain of differential amplifier automatically
Inventor: BRUCCOLERI MELCHIORRE
IPC: H03G3/20
Filed: 1996-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a circuit automatically adjusting the gain of a diffenteial amplifier which is satisfactory operated even when ununiform signal is amplified. SOLUTION: The circuit is provided with a duplex half wave rectifier(DHWR) connected tot he output of the differential voltage gain amplifier(VGA) generating two quantities depending on the amplitude of the half wave of the output signal of the amplifier(VGA), two compactors (COMP1 and COMP2) respectively provided with reference inputs (IN-1 and IN-2) for generating the output signal of each when inputs (IN+1 and IN+2) connected to the output (OUT1 and OUT2) of this rectifier (DHWR) and the amplitudes of the respective half eaves become larger than a level impressed to reference inputs (IN-1 and IN-2), and processing means (str1, A1, R1, Str2, A2, R2 and C) generating signals for the gain adjustment of the amplifier depending on the duration time of the output signal of the two compactors.
Patent JP-H05308795-A (JP)
Title: Reluctance type three-phase motor
Inventor: BAN ITSUKI
IPC: H02P7/00
Filed: 1992-04-27
Abstract: PURPOSE:To provide a compact, high-speed, high-efficiency reluctance motor by having two salient poles for a magnetic rotor and giving slot windings for stator, by converting magnetic energy with static energy of a small-capacity capacitor as medium and by controlling an armature current by a chopper circuit. CONSTITUTION:Rotor 1 comprises two poles of salient poles 1a and 1b, coils are wound around 12 slots of fixed armatures 16, and armature coils for the first, second and third phases are formed, a switching transistor is connected to the armature coil of each phase, and current application control is performed by position detection signal. At this time, accumulated magnetic energy of the armature for converting to non-conductance is applied to a small-capacity capacitor for storage, drop in a current applied to the armature coil is made rapidly, this stored static energy is allied to the next armature coil, and its rise is performed rapidly. Also, the current applied is held to a predetermined value by a chopper circuit and constant speed control is performed.
Patent JP-H01319333-A (JP)
Title: Vehicle mounted radio receiver
Inventor: ICHIYAMA YOSHIHIKO
IPC: G09G3/20
Filed: 1988-06-21
Abstract: PURPOSE:To enhance the effect of demonstration at a shop by lighting and displaying all or designated segments prepared for a display section simultaneously when the information relating to the recent reception broadcast is not stored in a memory in a microcomputer. CONSTITUTION:When a BATT line 13 is turned on, the storage content in the memory of the microcomputer 15 is checked to decide the presence of the information (last memory) relating to the recent reception broadcast. When the result of decision is NO, the ON of a power switch and the simultaneous lighting display of all or designated segments 12A of the display section 12 are implemented automatically under the control of the microcomputer 15. When the result of decision is YES on the other hand, the ON of a power switch and the simultaneous lighting display of all or designated segments 12A of the display section 12 are implemented automatically under the control of the microcomputer 15. Thus, the demonstration function at a shop is enhanced.
Patent JP-2000338327-A (JP)
Title: Laminate having improved polarization characteristic and surface protective film therefor
Inventor: SUMI HIROYUKI
IPC: G02B5/30
Filed: 1999-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a laminate which is free of foreign matter, etc., at a surface protective film for protecting the surface not provided with a tacky adhesive layer for a polarizing plate, phase difference plate or visual field angle magnifying film, has excellent polarization characteristics and facilitates visual foreign matter inspection and the surface protective film therefor. SOLUTION: The laminate is so positioned that the direction of the orientation crystal main axis of a biaxially oriented polyester film of the surface protective film and the direction of the orientation axis of the polarizing plate, the phase difference plate or the visual field angle magnifying film are substantially aligned or attain 90 deg.. The biaxially oriented polyester film is >=1200 nm in the retardation value R expressed by equation R=Δn.d. In the equation, Δn denotes the double refractive index of the film and (d) denotes the thickness (nm) of the film.
Patent JP-H05326507-A (JP)
Title: Forming method of electrode or wiring
Inventor: SATO SEIKI
IPC: H01L21/28
Filed: 1992-05-18
Abstract: PURPOSE:To provide the title forming method of electrode or wiring on a compound semiconductor deficient in acid resistance, alkali resistance or oxidation resistance. CONSTITUTION:(a) A semiconductor substrate 1 is coated with a resist 3. (b) An electrode pattern is formed by photolithography. (c) A metallic material for electrode 2 is evaporated. (d) The whole surface is coated with a flattening material 4 to bury the stepped parts of the resist 3 for flattening the surface. (e) The whole surface is etched away down to the thickness of the evaporated metal by reactive ion etching device. (f) The resist 3 is removed using a solvent to form a specific electrode pattern. Through these procedures, the electrode can be easily formed using even a chemically deficient material furthermore not to be affected by the oblique evaporation thereby enabling a planetary evaporator to be used resultantly enhancing the productivity compared with that of the conventional lift-off step.
Patent JP-S5577299-A (JP)
Title: Piezoelectric speaker
Inventor: YUKIMOTO SADAO
IPC: H04R17/00
Filed: 1978-12-06
Abstract: PURPOSE:To make it possible to feed a current direct from a transistor amplifier without using an impedance matching box by forming a piezoelectric bimorph by combining multi-layer laminations, of high-molecular piezoelectric films with electrodes on both surfaces, to both surfaces of an interposing material. CONSTITUTION:Multi-layer laminations of high-molecular piezoelectric films 12 with electrodes 10 and 11 on both surfaces are made in one with interposing material 13 between the both and the polarization direction of each film 12 is made different alternately to constitute a piezoelectric bimorph. Then, electrodes 10 and 11 are applied with input signal respectively. In the center of the top surface of the piezoelectric bimorph of this constitution, a diaphragm is connected and the whole body is incorporated in a frame to obtain a piezoelectric speaker. This piezoelectric speaker is small in the impedance of the piezoelectric bimorph, which is close to that of a dynamic speaker, so that power can be fed from a transistor amplifier directly.
Patent JP-H07334114-A (JP)
Title: Liquid crystal driving device and liquid crystal inspection method using same
Inventor: MITA HIROAKI
IPC: G06F11/273
Filed: 1994-06-08
Abstract: PURPOSE:To provide a liquid crystal driving device and a liquid crystal inspection method capable of inexpensively inspecting a memory storing displaying data with high speed. CONSTITUTION:When a changeover signal is inputted from an inspection instrument to a liquid crystal driving device 10 at the time of inspection, a selector 17 changes the opposite party of the output of input data from a data conversion circuit 18 to a decoder 12, a control circuit 13 read out displaying data in a CGRAM 15 and a CGROM 16 in a prescribed order by means of an instruction signal and a control signal from the inspection instrument and output them to the inspection instrument through the selector 17, the decoder 12 and an interface circuit 11. Consequently, depending upon whether or not displaying data corresponding to the instruction signal of the inspection instrument is outputted from the liquid crystal driving device 10, the presence and absence of defect in the CGRAM 15 and the CGROM 16 are inexpensively inspected with high speed.
Patent JP-S6043822-A (JP)
Title: Electrode forming method
Inventor: KOBAYASHI MASAMICHI
IPC: H01L21/288
Filed: 1983-08-22
Abstract: PURPOSE:To enable to form an Au layer of uniform thickness on a Pt layer by a method wherein a Cr layer of low electric resistivity is formed on a Ti layer in advance, and the current distribution when a plating work is performed is made uniform using said Cr layer as a power supply layer. CONSTITUTION:A Pt layer 13 is formed on the main surface of the wafer 3 whereon a contact hole is provided by performing a sputtering of Pt. After an alloy treatment has been performed on the wafer 3, the Pt silicide layer 13 is removed from the wafer 3 by etching, and a Pt silicide layer 14 is formed on the surface of the epitaxial layer of a contact hole. Adhesion layer 15 consisting of Ti formed by performing a sputtering process and a buffer layer 16 consisting of Pt are coated on the whole main surface. Then, a power supply layer 18 consisting of Cr is formed, and the part overlapping on the buffer layer 16 is removed by etching. Lastly, an electrolyte plating process is performed on the wafer 3, and a wiring layer 17 consisting of an Au layer is formed.
Patent JP-S5852620-A (JP)
Title: Electrchromic display element
Inventor: YOSHIMURA TETSUZOU
IPC: G02F1/1524
Filed: 1981-09-25
Abstract: PURPOSE:To obtain a titled electrochromic display element which is stabilized and has good color developing characteristics, by using a transition metallic compound of an ion conductive layer Li. CONSTITUTION:An electrochromic (EC) layer 3 consisting of e.g. WO3 of a transition metallic oxide, an ion conductive layer 4 consisting of a transition metallic oxide of the electrolytic Li which is the essential part of this invention and a palladium (Pd) electrode 5 are vacuum deposited in turn on a glass substrate 1 through a transparent electrode 2. It is arranged that the film thickness of the EC layer is 4,000Angstrom , that of the ion layer is 3,000Angstrom  and that of the Pd electrode is 1,500Angstrom . Li transition metallic oxide i.e. a valence changeable substance e.g. Li2WO4, Li2WoO4 etc. are used for the ion conductive layer 4. The response properties of Li2WO4 is almost same as that of usual Li3N and the response properties of Li2MoO4 is several times larger than that of usual LiI, and they show the response properties collectively more than that of usual substance and easily resolving properties and deliquescence which they have as their defects respectively are entirely eliminated.
Patent JP-H0711174-A (JP)
Title: Antifouling coating composition
Inventor: UEJIMA KOICHI
IPC: C09D135/00
Filed: 1993-06-23
Abstract: PURPOSE:To obtain an antifouling coating composition which is not dangerous unlike an organotin copolymer, has good hydrolyzability, does not undergo thickening and gelation even when kneaded together with a copper compound, and can form a coating film of excellent surface smoothness. CONSTITUTION:This coating composition comprises a polymer obtained by polymerizing at least one unsaturated acid anhydride represented by the formula (wherein R<1> and R<2> are each hydrogen, chlorine, methyl or ethyl) with at least another copolymerizable unsaturated monomer, a thiadiazole derivative, a copper compound antifouling agent and an aliphatic amide dispersant/antisagging agent.
Patent JP-H05344254-A (JP)
Title: Facsimile equipment
Inventor: MURAMATSU HIDEO
IPC: B41J3/60
Filed: 1992-06-11
Abstract: PURPOSE:To provide a facsimile equipment capable of outputting reception image to cut paper without damaging the form of an original image by variable power and without causing a high cost because of using plural sheets of paper. CONSTITUTION:When a state R is '0' at the time of initializing in the reception processing in a facsimile equipment (Yes at 3121), reception image data is waited and it is transferred to a code memory which is not shown in a Figure (S3123). At this time, a line terminal code EOL in the reception data is integrated (S3124), and when the number of the codes exceeds the length of paper (Yes at S3125), a rear flag is made '1' (S3126). When this rear side is made '1', the portion where the number of the codes exceeds the length of paper is printed on the rear of paper.
Patent JP-H04373342-A (JP)
Title: Bridge circuit for mutually connecting networks
Inventor: WATANABE AKIRA
IPC: H04L12/28
Filed: 1991-06-24
Abstract: PURPOSE:To decide the transmission of data frames at high speed when connecting LAN differing the weights of bits each other. CONSTITUTION:When mutually connecting the LAN-A of an IEEE802.5 talken ring standard and the LAN-B of an IEEE802.3 CSMA/CD standard by the bridge circuit, a memory for filtering table is equipped with memory areas for the LAN-A and LAN-B and when a station 1A of the LAN-A is newly participated in a network, the address information is stored in the memory area for LAN-A as it is. The information is stored in the memory area for LAN-B after converting the bit weight of the address to the rule of the IEEE802.3 CSMA/CD. Afterwards, when deciding whether the frame received from the station 1A (or 1B) is repeated or not, each address bit weight converting operation is eliminated by retrieving the memory area for received LAN-A (or LAN-B) with the destination address extracted from the buffer memory.
Patent JP-2000336286-A (JP)
Title: Low temperature curing type powder coating composition and method for fornming coating film on inner surface of metallic pipe using the same powder coating
Inventor: KUBO TOSHIHIRO
IPC: C09D163/00
Filed: 1999-05-31
Abstract: PROBLEM TO BE SOLVED: To provide low temperature curable epoxy resin based powder coating compositions which can be cured at a temperature of lower than the curing temperature of the conventional epoxy resin based powder coatings and give coating films with inhibited occurrence of pinholes and coating film properties excellent in long-term reliability, and a method for coating the inner surface of a metallic pipe by using these compositions. SOLUTION: In the powder coating composition comprising, as the essential components, (A) an epoxy resin having an epoxy equivalent weight of 500-2,500 g/eq and a softening point of 65-130 deg.C, (B) a curing agent, and (C) a filler, the epoxy resin (A) is a bisphenol type epoxy resin, and the curing agent (B) is a basic nitrogen-containing heterocyclic compound. Further, this powder coating can give a coating film with inhibited occurrence of pinholes and excellent in long-term reliability.
Patent JP-S63314920-A (JP)
Title: Galois field computing method
Inventor: MURAI KATSUMI
IPC: G06F11/10
Filed: 1987-06-18
Abstract: PURPOSE:To realize the decoding of a recording medium having a raw error rate, by supplying the output of a fixed coefficient generation circuit as a second one symbol input after measuring the number of times of feedback and obtaining the number of error positions, and continuing the feedback again after obtaining the differentiation operation result of an error position polynomial at the output of a parity decision apparatus group. CONSTITUTION:When the output of the parity decision apparatus group 1 goes to a 0 dimension, the feedback is stopped once, and the number of times of feedback is counted, and after the number of error positions being obtained, the output of the fixed coefficient generation circuit is supplied further as the second one symbol input. And after the differentiation operation result of the error position polynomial is obtained at the output of the parity decision apparatus group 9, the feedback continues again, and the above operation is repeated until the number of times of feedback arrives at (code length-1) number of times. In such a way, it is possible to use most part of a multiplier that is a part of a Galois field arithmetic unit in a code error inspection and correction device in calculation to find the value of the error position polynomial, and to perform such calculation at high speed.