baber/WOPTO huggingface dataset:
Patent JP-H046056-A (JP)
Title: Method for packing electronic part with tape
Inventor: TAKAHASHI HIDEKAZU
IPC: B65D73/02
Filed: 1990-04-13
Abstract: PURPOSE:To be free from use of adhesive agent by providing a mold cut facing a tape member, mounting an electronic part on an upper face of the tape, inserting its outer lead into a lower face of the cut and supporting the electronic part on the tape member only with elasticity and tension of the tape itself. CONSTITUTION:With a gull-wing type outer lead (outer lead) 5, a plurality of leads are partially bent from an opposite side of a main body and the tips extend horizontally. A horizontal part of the tip of this type of outer lead is mounted on a wiring of a wiring substrate in plane contact with the wiring. A pair of mold cuts 5 are provided oppositely on a tape (paper tape) 3 to be used for packing. With a cut piece 6 stood by the lead, the lead is secured by lateral tension P of the tape itself and elasticity Q of the cut piece 6 to recover so that a package 1 can be supported and fixed on the tape 3 without adhesive agent.
Patent JP-S60243041-A (JP)
Title: Production of methacryl chloride
Inventor: KONDOU TADAO
IPC: C07C57/66
Filed: 1984-05-16
Abstract: PURPOSE:Phosphorus trichloride, an inexpensive raw material, and methacrylic acid are allowed to react under conditions of a specific temperature, the titled substance formed is removed, then, the unreacting methacrylic acid layer is reused to effect the reaction with phosphorus trichloride, thus enabling high- yield production of the titled substance which is used as an acylating agent. CONSTITUTION:Methacrylic acid is allowed to react with phosphorus trichloride at 40-90 deg.C, preferably 50-60 deg.C, as the phosphorus trichloride is added dropwise. After the completion of the reaction, the reaction mixture is stood to separate into the upper layer containing methacryloyl chloride and the lower layer containing phosphorous acid. The methacryloyl chloride is distilled off without separation of the lower layer, then the residue is left standing to separate into an upper layer of unreacting methacrylic acid and a lower layer of phoshorous aicd. The upper layer is reused to effect the reaction with phosphorus trichloride to give the objective compound. The amount of phosphorus trichloride to be used is from 1/3-1/4 time the mole of the methacrylic acid.
Patent JP-S63190843-A (JP)
Title: Optically active cyclopropane compound
Inventor: TAHOBASHI KEN
IPC: C07C43/257
Filed: 1987-04-20
Abstract: NEW MATERIAL:An optically active substance shown by formula I (R is 4-28C straight-chain or branched chain alkyl, cycloalkyl or may be optically active; n is 0 or 1; Y<4> is CO2CH2, OCO or OCH2; Y<1>-Y<3> are CO2, OCO, O, single bond or CH2O; Z<1>-Z<3> are group shown by formula II - formula IV; A<1>-A<3> are F, Br, Cl, CN or H; * mark is asymmetric carbon). EXAMPLE:4'-Octylcarbonyloxy-4-(1S-2,2-dimethylcyclopropanemethyloxycar bonyl) biphenyl. USE:Ferroelectric liquid crystal or a constituent component for providing a ferroelectric liquid crystal composition having a long spiral pitch only by adding a small amount of the constituent component to a ferroelectric liquid crystal compound having reversed spiral pitch for a blend thereof. PREPARATION:(+)-1S-2,2-Dimethylcyclopropanecarboxylic acid shown by formula V or a derivative thereof is reacted with any of various phenolic derivatives corresponding to a compound shown by formula I to give an optically active substance shown by formula I.
Patent JP-H02273948-A (JP)
Title: Manufacture of semiconductor device
Inventor: KOBAYASHI KOICHI
IPC: H01L21/60
Filed: 1989-04-17
Abstract: PURPOSE:To prevent the obstacles such as imperfect bonding between a lead and a bump and short-circuiting between leads by fixing the other end-portions of all leads protruding in the aperture part of an insulative retaining film by using a tablet composed of thermo-setting resin before hardening. CONSTITUTION:When outer leads 4 of a TAB(tape automated bonding) system are bonded to bumps 5 of a semiconductor integrated circuit chip 2, a tablet 10 is formed in an aperture in the manner in which the parts, of the other end-portions 4B of the outer leads 4, corresponding with the bumps 5 are exposed. The tablet 10 is connected with the other end-portions of all leads, and composed of thermo-setting resin before hardening. After each exposed part of the other end-portions of leads is bonded to the corresponding bump 5, the tablet 10 is hardened by heating. Thereby obstracles such as imperfect bonding and short-circuiting between leads at the time of bonding the outer leads of TAB system can be prevented, so that the reliability and the manufacturing yield of a high density semiconductor integrated circuit can be improved.
Patent JP-H01268056-A (JP)
Title: High speed transistor
Inventor: BABA TOSHIO
IPC: H01L29/68
Filed: 1988-04-19
Abstract: PURPOSE:To eliminate defects of a conventional HET and to obtain a transistor which can operate at a very high speed, by providing a structure wherein an emitter layer, a base layer, a collector barrier layer and a collector layer respectively consisting of specified semiconductors are laminated. CONSTITUTION:The following layers are provided in this structure: a emitter 14 comprising an N-type first semiconductor wherein first and second conduction bands are provided, and energy at the bottom of the second conduction band is lower than the bottom of the first conduction band; a base layer 13 comprising an N-type second semiconductor wherein the bottom of a second conduction band of energy is lower than the bottom of the second conduction band of the emitter layer 14 and the bottom of a first conduction band of energy is lower than the bottom of the second conduction band; a collector barrier layer 12 comprising a low impurity concentration third semiconductor wherein the bottom of a second conduction band of energy is lower than the bottom of the second conduction band of the emitter layer 14 and higher than the bottom of the first conduction band of the base layer 13 and a first conduction band of energy is higher than the bottom of the first conduction band of the base layer 13; and a collector layer 11 comprising an N-type fourth semiconductor.
Patent JP-S5622824-A (JP)
Title: Sprinkler of sand-sprinkling craft
Inventor: NAKAMARU EIJI
IPC: E02D15/08
Filed: 1979-08-01
Abstract: PURPOSE: To permit the earth thickness to be kept constant in sand sprinkling by allowing the head of a sprinkler which sprinkles a fixed thickness of sand on the sea bottom or the like wherein the sprinkling head is opened or closed as necessary to make the sprinkling width controllable.  
     CONSTITUTION: A sprinkler 1, which is arranged at the end of a ladder excavator 2, is vertically pivoted or slewed by the winch on the craft, and has a sprinkler head 3 constituted so that it is opened or closed as necessary. The head 3 has curved passages 5 and 5 communicated with a flexible hose 4 and allowed to diverge in two directions, and the opening portions of the passages 5 and 5 are opposed to each other. A plurality of through holes 7 and 7 are made in the inner wall 6 of the passages 5 and 5, and an excess water intake unit 10 is provided in the sprinkler head 3. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5525529-A (JP)
Title: Oil separator of screw compressor
Inventor: HORI MASAHIRO
IPC: F04C18/16
Filed: 1978-08-10
Abstract: PURPOSE:To simplify the structure and miniaturize the apparatus and improve the efficiency of separating oil by forming a space into which the stream of oil containing gas ejected from a discharge port flows, bent sharply. CONSTITUTION:The oil containing gas discharged from a closed operation space 7 is stream-arranged during passing through a dishcarge passage 9 and ejected from an exit, and only the oil contained and having a large momentum flows into a first separation chamber 17 through a short pipe 16, and the gas is bent sharply through the slit between the discharge passage 9 and the short pipe 16, and flows into a second separation chamber 18 limited by a rear case 4 and a second partition plate 27. The oil which flows into the first separation chamber 17 collides with the inner wall of the chamber 17 and falls in drops and is collected in the lower part and further collected at the bottom of the space 12 in a housing 11 from the bottom discharge port 22. The sectional area of the discharge port 22 is set so that a fixed amount of oil is stored in the first separation chamber 17, and the same amount of oil, to the oil which flows into the chamber 17 can be discharged calmly.
Patent JP-H01268393-A (JP)
Title: Color video signal recording and reproducing device
Inventor: KANEMOTO YOSHITAKA
IPC: H04N9/83
Filed: 1988-04-20
Abstract: PURPOSE:To enlarge the recording current of a low frequency converting chrominance signal by recording a FM modulating luminance signal and the low frequency converting chrominance signal on separate tracks, thereby improving a resolution, easily designing a filter and preventing the generating of a bear. CONSTITUTION:The luminance signal is FM-modulated by an FM modulator 3, the carrier chrominance signal is frequency converted to the carrier frequency of the low frequency side by a frequency converter 4 and recorded as separate tracks by a first and a second rotary heads 17A, B;19A, B. Thereby, the resolution can be improved and the band of the luminance signal and the chrominance signal can be widened, as the characteristic of a filter inserted to a luminance signal system and a chrominance signal system, a strict one is not requested but the filter can be easily designed and the beat twice as high as the carrier frequency fc of the low frequency is not generated but even when the recording current of the low frequency converting chrominance signal is increased, the S/N of the low frequency converting chrominance signal can be improved.
Patent JP-S5621486-A (JP)
Title: Frame designating method of television picture
Inventor: YAMADA SENHIKO
IPC: H04N5/78
Filed: 1979-07-31
Abstract: PURPOSE:To make it possible to designate a frame with a high precision, by storing the signal on a sound track corresponding to the designated frame position. CONSTITUTION:At an editing time, video tape 21 to be reproduced by VTR22 is monitored by monitor television 23, and the still picture of a prescribed frame to be selected is photographed by camera 24, and the count value of VTR22 is recorded. For change from still picture reproducing to dynamic picture reproducing, the signal from signal generating circuit 25 is recorded on a sound track. The tape processed in this manner is reproduced by VTR26 for plating; and when the signal on the sound track is detected by signal detecting circuit 27, still signal generating circuit 28 records one-frame components of the picture signal just after this signal into frame memory 30. The picture signal in memory 30 is used for print plating.
Patent JP-2000104366-A (JP)
Title: Fire resistant component
Inventor: TONO MASAKI
IPC: E04B1/94
Filed: 1999-04-05
Abstract: PROBLEM TO BE SOLVED: To obtain a fire resistant component having remarkable fireresistant performance by laminating a layer made of incombustible material and a fire- resistant expansive layer made of epoxy resin, phosphorus compound, heat expansive graphite, and inorganic filler and so forth. SOLUTION: A fire resistant component is constituted by laminating a layer A made of an incombustible material and a layer B comprising epoxy resin, phosphorus compound, thermally expansive neutralized graphite and inorganic filler. In this fire resistant component, the fire-expansive layer B blocks the heat transmission by forming an expansive insulation layer by the thermally expansive graphite during heating and provides shape retainability after thermal expansion. As stated above, this fire resistant component has a small thickness thereby providing excellent workability and also the residue of the fire resistant expansive layer has a sufficient shape retaining ability so that remarkable fire resistant performance can be realized.
Patent JP-H05298283-A (JP)
Title: Route decision method
Inventor: TANAKA TAKASHI
IPC: G06F19/00
Filed: 1992-04-17
Abstract: PURPOSE:To find the shortest closed loop connecting N nodes. CONSTITUTION:Assuming that each node should be selected twice from N nodes, N branches (i,j) are selected in succession in order of shorter length dij, preparing m closing loops by means of the connected branch. Then two branches (i,j) which belong to dissimilar closing loops are selected. When a new closed loop is prepared by removing the two branches and connecting the remaining two openings, a new closed loop is made by finding the shortest combination, and an approximated solution is obtained by repeating the operation until the two closings are made one.
Patent JP-S5223066-A (JP)
Title: Preparation of 1-thiaazulan-2-thiones
Inventor: MACHIGUCHI TAKAHISA
IPC: C09K3/00
Filed: 1975-08-12
Abstract: PURPOSE: 1-Thiaazulan-2-thione and its derivatives of formula II(R 1  is H, alkyl, aryl;R 2  is H, halogen, alkyl, aryl) ;for example, 3-Cl-1-thiaazulan-2-thione. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5524573-A (JP)
Title: Electrical dust precipitator
Inventor: SASAOKA RIYOUSUKE
IPC: B03C3/36
Filed: 1978-08-10
Abstract: PURPOSE: To lower the noise by the face movement of fan and to improve the dust collecting capacity, by forming the reinforcement rib continuing from the inner end of fan blade to the central part of base board of electric dust precipitator, so as the height of the above rib at neighboring the inner end of the blade to be low and neighboring the central part to be high.  
     CONSTITUTION: The fan 1 of electric dust precipitator is composed of the base board 2 and the fan blade 3 attached on the board 2 at right angles and also, the cylindrical part 5 attached on the outer circumference of rotating part of motor. The reinforcement rib 6 is provided extending from the inner end of the blade 3 to the part 5 and sufficient concave is given at neighboring the inner end of the blade 3 so as the section of the suction opening 10 of the fan 1 to be decreased and sufficient height is given at neighboring the part 5 not affected by the flow of suction air. Hereby, strength of the fan 1 is improved and noise by the face movement of the fan 1 is decreased and than, for capacity is improved by smoothing the rotation. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H10282236-A (JP)
Title: Preceding vehicle detecting device
Inventor: TAKANASHI RYOYU
IPC: G01S17/93
Filed: 1997-03-31
Abstract: PROBLEM TO BE SOLVED: To warm a driver by alarm sound, etc., when a proceeding vehicle starts while the distance from the preceding vehicle is very short in traffic jam. SOLUTION: A running state detecting means 2 detects the running state of the vehicle, while the vehicle is standstill, a distance-between vehicles measuring means 1 measures a distance from a preceding vehicle. When the distance measured with the distance-between-vehicles measuring means 1 becomes larger, the preceding vehicle is assumed to be running forward, so an alarm or lamp encourages a driver to start his car. If it becomes smaller, the preceding vehicle is assumed to be running backward, so an alarm means 4 warns the driver of danger.
Patent JP-S58215101-A (JP)
Title: Dielectric filter
Inventor: HANEKAWA KIYOSHI
IPC: H01P1/208
Filed: 1982-06-08
Abstract: PURPOSE:To decrease the height considerably, by forming a dielectric of a dielectric resonator for transmitting and receiving waves used for a car telephone set for adopting the construction fixed with an almost square bar conductor member on its upper end surface. CONSTITUTION:Plural number of square bar dielectrics 22 are fitted in a respective groove for transmitting and receiving waves on the bottom of a conductor case 21 at a prescribed interval. Said dielectrics 22 are formed to square bar shape. Thus, the same distribution of electric lines of force and the same static capacitance as those of a cylinder are obtained and the thickness is made thin. Further, a conductor member 23 of almost plate shape of a silver or copper plate made by the printed wiring technology or an adhered conductor member, is fixed on a flat end surface at the upper part of the dielectrics 22. A round part 24 is given in the broadwise direction of said conductor member 23 so as not to concentrate electric lines of force for forming a so-called Rogowskii electrode, allowing to attain the filter with less loss and high Q value.
Patent JP-S63263066-A (JP)
Title: Preparation of emulsified and ground meat of crust-containing krill
Inventor: KATAYAMA SHIZUKA
IPC: A23L17/00
Filed: 1987-04-21
Abstract: PURPOSE:To obtain the titled ground meat without deteriorating meat quality, by freezing caught krills to form a block, finely pulverizing the block with a frozen egg white block, filling the resultant powder in a container and hermetically sealing the container. CONSTITUTION:Caught krills are stored in a low-temperature water tank with a cooler provided in a fishing boat and then transferred to a low-temperature water tank with a cooler for low ion water at 0-5 deg.C provided in a mother ship by a pipe transporting method. The head and chest parts are removed in the above-mentioned mother ship and the resultant krills are washed with low ion water to directly form a frozen krill block with crust by a freezing means at -30--10 deg.C. This block and a frozen egg white block are then treated in a continuous emulsifier for frozen meats at 70-95/5-30 ratio, finely pulverized and then filled in a given container, hermetically sealed and refrozen to afford the aimed ground meat.
Patent JP-S60244539-A (JP)
Inventor: MIURA KAZUHIKO
IPC: B05D1/36
Filed: 1984-05-18
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-H05275915-A (JP)
Title: Production of antenna module
IPC: H01Q1/24
Filed: 1992-03-26
Abstract: PURPOSE:To prevent the generation of the defect caused by the molding resin creeping to the outer surface side of the metallic foil member, to stabilize the position of the foil member and to attain a highly efficient molding job by setting a metallic foil member for an antenna module into a metallic mold together with an engaging member. CONSTITUTION:The engaging member 31 is formed integrally a projecting bar 33 pressing the outer U-turn part 17 of a metallic foil member 11 to the inside of a metallic mold 23, a pair of recessed parts 35 pressing the inner U-turn part 18 of the member 11 to the metallic mold 23, a rib part 37 pressing the end part 19 of the member 11 to the metallic mold 23, a pair of bar parts 39 pressing both side edges of a metallic foil member 13, etc. Then the member 31 is set into the metallic mold 23 after the engaging part 31 is combined with the metalic foil members 11 and 13. Thus, the members 11 and 13 are restricted at both sides of them so that the positions and the shapes of both members are stabilized.
Patent JP-S61257463-A (JP)
Title: Boriding method
Inventor: SHONO SUSUMU
IPC: C23C8/68
Filed: 1985-05-09
Abstract: PURPOSE:To boride a material which can not be borided by a conventional method by allowing an element which combines readily with boron to exist on the surface of the material and by carrying out boriding. CONSTITUTION:For example, when 'STELLITE(R)' is directly borided, boron does not enter the material, so a borided hard layer is not formed. In order to form a borided hard layer, nitrogen having a great affinity for boron is allowed to enter the material before boriding so that boron can enter the material.
Patent JP-S5525287-A (JP)
Title: Speaker
Inventor: OOSATO MAMORU
IPC: H04R9/04
Filed: 1978-08-14
Abstract: PURPOSE:To decrease the number of the lead wires necessary for the wiring as well as to facilitate the wiring work by providing a pair of conducting patterns to the damper ring in the circular arc form. CONSTITUTION:A pair of conducting patterns 18 and 19 for wiring use are provided on upper surface 15a of damper ring 15 formed by the insulating material in the circular arc form through, for example, the etching process of the print substrate and other methods. Patterns 18 and 19 are formed in the circular forms of above 270 deg. and 190 deg. respectively. Paired lead-out terminals 18a and 18b plus 19a and 19b of patterns 18 and 19 are led to projection parts 20a and 20b each which are formed in a body at part of ring 15's outer circumference with the phase of about 90 deg.. As a result, the wiring is facilitated very much, decreasing greatly the number of the lead wires necessary for the wiring.
Patent JP-H03296338-A (JP)
Title: Data processor
Inventor: KIMURA KAZUO
IPC: H04N19/67
Filed: 1990-04-13
Abstract: PURPOSE:To suppress the effect due to bit slip within one frame by discriminating the bit slip in the unit of frames even when the bit slip takes place, shifting hits in preceding or succeeding bit direction when the possibility of bit slip exists and revising the frame processing block minimizing the bit error rate. CONSTITUTION:When a frame position adjustment section 6 compares a bit error with a predetermined bit slip criterion and bit errors being the criterion or over take place, a block of a data sent from buffers 2, 3 to an error check correction section 5 is shifted by one preceding or one succeeding bit and the result is sent respectively to the error check correction section 5. The error check correction section 5 checks number of errors respectively, the data of a block minimizing number of error bits is selected and sent from the buffers 2, 3 to the error check correction section 5, in which the error is corrected.
Patent JP-H01269035-A (JP)
Title: Instrument for inspecting printed circuit board
Inventor: IZEKI HIDEO
IPC: G01B11/24
Filed: 1988-04-21
Abstract: PURPOSE:To accurately inspect a printed circuit board with a small-capacity memory by providing a master data storing means, comparing means, etc. CONSTITUTION:Analog signals of picture signals are sent to an A/D converter 21 where the analog signals are converted into digital signals from a camera 20. Then binarized data are obtained from the digital signals at a binarization circuit 22 and stored in memory A 31 as master data. Then a printed circuit board is scanned by means of the camera 20 and the data of the visual field are supplied to a comparator circuit 40 as pattern data after the data are converted into digital signals by the converter 21 and binarized at the circuit 22. At the same time, the stored master data are read out from the memory A 31 and supplied to the circuit 40. When the master data are supplied to the circuit 40, master data related to the hole pattern are also sent to the circuit 40 from memory B 32. At the circuit 40, the pattern data from the object to be inspected is compared with the composite master data of the master data from the memories 31 and 32 and compared results are sent to a fault discrimination circuit 41, area-wise fault data collection circuit 42, and CPU 43.