baber/WOPTO huggingface dataset:
Patent JP-2000247226-A (JP)
Title: Body structure for rolling stock
Inventor: BANDO SHIGEKI
IPC: B61D17/12
Filed: 1999-02-26
Abstract: PROBLEM TO BE SOLVED: To enhance strength without entailing any increase of weight. SOLUTION: A plurality of long-size hollow sections 1 composed of coupling an outside plate 2 and an inside plate 4 with eight bridge members 14 to 21 are arranged side by side along the car outside form, and these hollow sections 1 themselves are joined together along the longitudinal direction, thereby making up a body structure. Out of these hollow sections 1, a car external form bends the curved hollow section 1 and the inside plate 4 at individual nodal points 22, 24, 26 and 28 with these bridge members 14 to 21, making up them after connecting rectilinearly among these nodal points 22, 24, 26 and 28. Both these outside and inside plates 2 and 4 are bent at those of nodal points 10, 22 to 29 and individual intervals among these nodal points 10 and 22 to 29 may be rectilinearly connected together.
Patent JP-H03260152-A (JP)
Title: Foamed nonwoven fabric and its production
Inventor: NAKAI KIYOTO
IPC: D06M101/16
Filed: 1990-03-01
Abstract: PURPOSE:To obtain the subject nonwoven fabric useful as molding core materials having excellent bulkiness by containing a foaming agent having a foaming temperature higher than the melting point of a thermoplastic adhesive in a nonwoven fabric comprising constituting fibers mutually bound with said thermoplastic adhesive followed by foaming with heating. CONSTITUTION:Nonwoven cloth in which constituting fibers are bound with a thermoplastic adhesive (e.g. polyethylene) is impregnated with a solution containing foaming agent having a maximum foaming ratio at a foaming temper ature higher than the melting point of the thermoplastic adhesive [e.g. foaming agent of microcapsule type composed of outer wall comprising thermoplastic resin (e.g. vinylidene chloride-acrylonitrile copolymer) and a thermo-expansible substance (e.g. isobutane) included in the wall. When heated, the thermoplastic adhesive is melted and simultaneously the foaming agent is foamed to afford the objective nonwoven fabric.
Patent JP-H01226996-A (JP)
Title: Method and apparatus for drilling small hole matching various ground
Inventor: UCHIDA KAZUMI
IPC: E21B7/08
Filed: 1988-03-04
Abstract: PURPOSE:To raise the efficiency of construction work by a method in which a bit on the tip of a rod is allowed to rotate, strike and advance on a remote control basis through a spiral rod with casing pipe for excavation and the excavated soil is discharged by a separate power. CONSTITUTION:An oil-pressure cylinder 26 for striking, having an oil-pressure motor 22 for rotational driving and a hammer 25 which are set on a slide base 19 on the body frame 17 and an oil-pressure motor 38 to move the base 19 back and forth by a chain 41 are operated on a remote control basis. Turning, striking, and advancing actions are given to a bit 28 on the tip of a rod through a spiral rod 27. Excavated soil, small rock pieces, and dust during the excavation are discharged from the space between the rod 27 and the casing pipe 33 by means of the spiral blade 27b of the rod 27 and also by compressed air from the air-blow holes 30 and 31 of the bit 28. The efficiency of operations can thus be raised.
Patent JP-H02228467-A (JP)
Title: Production of al-base high damping material
Inventor: MATSUOKA KEN
IPC: C22F1/04
Filed: 1989-03-02
Abstract: PURPOSE:To produce a lightweight Al-base high damping material excellent in corrosion resistance and easy of cold working at a low cost by bringing Zn into contact with both surfaces of heated Al or Al alloy, melting Zn to form Zn films, and then allowing Zn to diffuse into Al by means of heating. CONSTITUTION:An extruded shape 3 for heat sink made of Al or Al alloy having a structure in which many fins 2 are projectingly provided on a substrate 1 is hot-extruded by means of a direct extruding machine 4, and pure Zn materials 6, 5 are pushed against the above extruded shape 3 from the upper and lower sides, respectively, at >=430 deg.C, by which both surfaces of the extruded shape 3 are coated with Zn layers by means of the melting of Zn. Subsequently, the above extruded shape 3 is heated up to 275-420 deg.C and Zn is allowed to diffuse into Al in the extruded shape 3, by which an Al-Zn alloy layer of >=10mum thickness is formed on each surface. By this method, the lightweight Al-base high damping material for acoustic device excellent in workability and vibration- damping property can be inexpensively produced.
Patent JP-S63216386-A (JP)
Title: Semiconductor photo detector
Inventor: MAKIUCHI MASAO
IPC: H01L31/10
Filed: 1987-03-05
Abstract: PURPOSE:To realize a horizontal structure PIN-PD of small distributed capacity and appropriate for an OEIC, by forming an n-type region and a p-type region reaching from the surface of a semi-insulating substrate to the lowermost layer of a laminated structure provided with a light absorbing layer between an n-type semiconductor layer and a p-type semiconductor layer on the semi-insulating substrate, etc. CONSTITUTION:A laminated structure provided with a light absorbing layer 3 between an n-type semiconductor layer 2 and a p-type semiconductor layer 4 is provided on a semi-insulating semiconductor substrate 1 and the n-type semiconductor layer 2 and the p-type semiconductor layer 4 except the lowermost layer of the laminated structure are made not to absorb light which is aimed to be received. Further, an n-type region 7 and a p-type region 6 both reach to the lowermost layer from the surface of the semiconductor substrate are formed and ohmic contact electrodes 9, 8 are provided in the n-type region 7 and in the p-type region 6 respectively. For example, the n-type InP layer 2, the i-type InGaAs light absorbing layer 3 and the p-type InP layer 4 are formed on the semi insulating InP substrate 1 and further, an InP contact layer 5, the p-type impurity introduced region 6, the n-type impurity introduced region 7 and the ohmic contact electrodes 8, 9 are formed.
Patent JP-H02283053-A (JP)
Title: Integrated circut/ heatsink intermediate products
Inventor: TEIMAA EIKIN
IPC: H05K7/20
Filed: 1990-03-01
Abstract: PURPOSE: To provide the intermediate material that is suitable for direct and thermal connection of the integrated circuit to the heat sink by employing a composite material consisting of a first material having a high heat conductivity link a copper and a second material having a low thermal expansion coefficient like a iron/nickel alloy. CONSTITUTION: The intermediate member 10 is connected to the integrated circuit 12 and the heat sink 14. The intermediate member 10 is mainly made of a first material 16 that has a high thermal conductivity, that is, a low thermal resistance. A second material 18 has a low thermal expansion coefficient and is dispersed throughout the first material 16. A copper is preferred for the first material 16 having a high thermal conductivity and other material like an aluminum having a high thermal conductivity is also adopted for the first material. A plurality of regions of the second material 18 are made of a material having a low thermal expansion coefficient such as an iron/nickel alloy. Especially an iron/nickel alloy whose composition is about 42% of nickel and about 58% of iron such as an invar is preferred.
Patent JP-H01226642-A (JP)
Title: Sheet transporting device
Inventor: EZU AKIHIRA
IPC: B65H5/02
Filed: 1988-03-04
Abstract: PURPOSE:To shorten the transport time for the second sheet and permit the application to a high speed machine by arranging a transport means in the transport direction for the sheet and constituting the transport means from a plurality of divided transport parts which are driven independently. CONSTITUTION:During the copying operation for the first original G, a feeding mechanism 112 operates, and the second original G is taken out, and only the first transport belt 117 travels, and the original is sent onto an original glass 3 and set in waiting. When the copying work for the first original G is completed, the first and second transport belts 117 and 118 travel, and the first original G is discharged into a discharge part 124 through a guide 123 and a discharge roller 125, and the second original G is sent into a copying position, and copying work is carried out, and the originals G are sent successively onto the original glass 3 and set similarly afterwards. Thus, the transport distance to the copying position for the original G can be shortened, and the transport time for the original G can be shortened, and application to a high speed machine is permitted.
Patent JP-S57165631-A (JP)
Title: Rotary engine
Inventor: KAIYA AKIRA
IPC: F02B53/02
Filed: 1981-04-03
Abstract: PURPOSE:To reduce mechanical loss of an engine and increse its efficiency, by circumferentially providing a compression groove to a true round shaped rotor, providing a press contact piston in the compression groove, providing a blade part in the periphery of the rotor and providing a jet port, communicated to the blade part, in a combustion chamber. CONSTITUTION:A compression groove 16 is circumferentially provided to a true round shaped rotor 10, and a protrusive part 18 is formed to divide the compression groove 16. An in-out movable press contact piston 28 is provided in the vicinity of an intake port 22 in the compression groove 16. An explosion chamber 32 is formed to the end of a high pressure gas passage 30 and communicated by a check valve 38. A blade part 40 is provided in a necessary peripheral surface of the rotor 10, and a jet port 34, communicated to the blade part 40, is provided in the explosion chamber 32. A shock wave, generaed by compresed air and fuel of a fuel injection device 36 in the explosion chamber 32, collides against the blade part 40 from the jet port 34 to apply rotary energy. In this way, an energy saving rotary engine of high efficiency can be obtained.
Patent JP-H05246771-A (JP)
Title: Composition for joining ceramic with metal and ceramic and metal joining body using the same
Inventor: NABA TAKAYUKI
IPC: H05K3/38
Filed: 1991-03-15
Abstract: PURPOSE:To provide a composition for joining ceramic and metal for suppressing the generation of cracks or the like on the side of a ceramic material caused by the difference of heat expansion between the ceramic material and a metallic material and attaining high reliability to the addition of a cryogenic cycle or the like. CONSTITUTION:The composition for joining ceramic and metal consists of 60-80wt.% Cu, 1-10wt.% of at least one kind selected from Ti, Zr and Nb and balance substantially Ag. The ceramic and metal joining body having high reliability to the addition of the cryogenic cycle is obtained by interposing the composition for joining 2 between the faces to be joined of a ceramic member 1 and a metallic member 3.
Patent JP-H0567354-A (JP)
Title: Optical disk and production thereof
Inventor: MIWA HIROAKI
IPC: G11B7/24024
Filed: 1992-03-10
Abstract: PURPOSE:To lessen the deformation by a high-speed access and high-speed rotation by having a sectional structure in which a pair of transparent substrates formed with at least one layer of recording films are stuck to each other by an adhesive on an information pattern surface. CONSTITUTION:This optical disk has the sectional structure in which a pair of the transparent substrates formed with at least one layer of the recording films are stuck to each other by the adhesive on the information pattern surface. The optical disk has <2G measured vertical acceleration value at ordinary temp., <5mrad. measured inclination angle value at ordinary temp. and <5mrad. measured inclination angle value after resting for a specified period of time. Such optical disk is free from the defects to be generated during production, the deformation by the high-speed access and high-speed rotation during the use of the optical disk, and the deformation and peel by a change with lapse of time during the storage of the optical disk.
Patent JP-H05260788-A (JP)
Title: Motor drive control circuit
IPC: H02P6/24
Filed: 1992-03-10
Abstract: PURPOSE:To improve the stopping performance of a motor without increasing a cost to a large extent and especially to prevent the motor from rocking back at the time of its stopping. CONSTITUTION:When the polarity of polarity control amplifiers 1a-1c is reversed by an external motor-driven control circuit 8 while an unshown rotor is rotating, a rotation control signal for reversing the rotor is outputted from a waveform composite circuit 2. Thus, a three-phase driver circuit 3 supplies fixed windings L1-L3 with a current for reversing the rotor to brake the rotor. After that, when a brake control is released, the external motor driven control circuit 8 outputs a stop signal 400 to a composite waveform delay circuit 6 and driver control circuit 7 to delay the phase of the rotation control signal by 60 degrees to output the control signal to the three-phase driver circuit 3 and starts the three-phase driver circuit 3 to cause a current to flow to the fixed windings L1-L3 so that forces pulling against each other are generated between the rotor and fixed windings L1-L3.
Patent JP-H02230744-A (JP)
Title: Semiconductor device
Inventor: IWAMATSU SEIICHI
IPC: H01L29/78
Filed: 1989-03-03
Abstract: PURPOSE:To accelerate an action of semiconductor device by reducing the drain capacity while reducing the fluctuation in the threshold value voltage due to hot electrons by a method wherein a low concentration impurity diffused layer is formed at least on a drain diffused layer of a MOS type FET as well as a single crystal semiconductor film or polycrystalline silicon semiconductor film of a high concentration impurity is formed in self-alignment on the said low concentration impurity diffused layer. CONSTITUTION:When a MOS type FET comprising a field SiO2 film 2, a gate SiO2 film 3, a gate electrode 4 is formed on the surface of an Si substrate 1, low concentration diffused layers 6 and 6' are formed into a drain and a source or vice versa in self-alignment using the gate oxide electrode 4 and the field SiO2 film 2 as masks. Finally, single crystal high concentration layers 7, 7' are formed in self-alignment by selective epitaxial process using an over coated SiO2 film 5 formed on the gate electrode 4 and the field SiO2 film 2 as masks.
Patent JP-H02231027-A (JP)
Title: Fixed shore net
Inventor: KOMURO TOKUTARO
IPC: A01K79/00
Filed: 1989-03-03
Abstract: PURPOSE:To increase the yield of fish by forming a leader net, an enclosure net and a non-return sloped net with an opaque net colored to proper colors and forming a bag net with a transparent net colored in a specific state. CONSTITUTION:Migrating fishes are guided with a leader net 1, an enclosure net 2 and a non-return sloped net 4 made of opaque material and colored to proper colors and are further guided into a transparent bag net 5. The whole bag net is colored to bright color having a hue circle number of 40-80, lightness of >=5 and saturation of <=5 in Munsell color system to merge the net into the background of sea and eliminate the visibility of the net.
Patent JP-H06299824-A (JP)
Title: Variable valve timing mechanism
Inventor: MURATA SHINICHI
IPC: F01L13/00
Filed: 1994-03-23
Abstract: PURPOSE:To secure stability in idling in a variable valve timing mechanism and also restrain generation of noise caused by a high speed cam. CONSTITUTION:In a variable valve timing mechanism for selectively driving a low speed rocker arm 6 or a high speed rocker arm 7 by a low speed cam 14 or a high speed cam 15' according to the driving state of an engine, the height of the ramp of the high speed cam 15' is made larger than that of the ramp of the low speed cam 14.
Patent JP-H07256812-A (JP)
Title: Transparent laminate
Inventor: SASAKI NOBORU
IPC: B32B27/40
Filed: 1994-03-23
Abstract: PURPOSE:To provide a colorless transparent laminate excellent in see-through, having high gas barrier properties, having stability not lowering gas barrier properties against the action of stress or the like from the outside due to post- processing and high in practicality. CONSTITUTION:Primer layers 4, 6 composed of a polymeric material excellent in dimensional stability and having transparency, magnesium oxide membrane layers 3, 7 and base materials 2, 8 composed of a polymeric material having transparency are laminated through an adhesive layer 5 or the magnesium oxide membrane layers 3, 7 and the base materials 2, 8 are laminated through an adhesive layer 5 composed of a urethane adhesive excellent in dimensional stability to obtain a transparent laminate not generating the deterioration of the magnesium oxide membrane layers 3, 7 even after receiving physical and mechanical stress suppressing the transmition of gas through the membrane layers and showing high light transmissivity.
Patent JP-H0615639-A (JP)
Title: Method and device for producing polymer from thermoplastic polycondensate
Inventor: HENDORITSUKU BUOORUFUAARUTOORA
IPC: B29C48/76
Filed: 1993-03-12
Abstract: PURPOSE: To provide a method for obtaining a satisfactory product in the case of sufficient final viscosity of a polymer by suppressing a decomposition of a material by a relatively short work by using a screw extruder without predrying. CONSTITUTION: An exhaust process to be executed in a first step of rotating in the same direction with densely engaging screws 5, 6 is directly coupled to an exhaust process to be executed in a second treating step of mixing and kneading to cancel loss of viscosity caused by a decomposition of a molecular chain through a thermoplastic resin substance not sufficiently dehumidified and affecting retention time and hence product quality with mixing members 21, 22.
Patent JP-S52134708-A (JP)
Title: Automatic stop device for magnetic recorder/reproducer unit
Inventor: NOMURA TAKANOBU
IPC: G11B15/093
Filed: 1976-05-06
Abstract: PURPOSE: To perform automatic stop of the magnetic recorder/reproducer with simplicity and reliability as the stop of the revolution of the reel shaft is detected by the engagement of the push switch, by utilizing inertia of the inertia plate. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S63218803-A (JP)
Title: Image measuring and inspecting apparatus for electron microscope
Inventor: YODA HARUO
IPC: H01J37/28
Filed: 1987-03-09
Abstract: PURPOSE:To perform the measurement and inspection for an electron beam image with high reliability and high sensitivity, by precisely controlling the irradiation time at the time of the input of an image when the surface of a wafer to be inspected is irradiated with electron beam after a signal is generated from a signal generating circuit. CONSTITUTION:An image processing circuit 6 inputs the image signal S1 from an electron microscope and compares the same with a preliminarily stored reference image signal to extract the flaw part of the pattern therein. The result of extraction is transmitted to a control computer 8 by a signal S5 at each time when the image signal is inputted and totalized ass the flaw data of a wafer 5 to be inspected in the computer 8. A signal generating circuit 7 receives a time parameter signal S6 and an image input demand signal S7 from the computer 8 to generate a deflection scanning signal S4 to electron beam, an electron beam blocking signal S2 and an image input start demand signal S3. At this time, by holding the time from the generation of a signal due to the signal S2 to the start of image input due to the signal S3 to a definite time, the input of an electron microscope can be always performed under the same photographing condition.
Patent JP-2000250869-A (JP)
Title: Method and device for controlling multiprocessor
Inventor: YAMAZAKI MASAYUKI
IPC: G06F9/38
Filed: 1999-02-26
Abstract: PROBLEM TO BE SOLVED: To unnecessitate a circuit for memory access arbitration and to easily predict the execution time of an application by eliminating necessity for memory access arbitration in a memory shared multiprocessor when a conflict occurs. SOLUTION: A multiprocessor system 100 is provided with N pieces of processors 1-3 (N is an integer >2) having N pieces of instruction fetch stages for fetching instructions 14-16 on one of N pieces of instruction fetch stages and outputting addresses through pipeline processing of the above instructions, an address selecting part 8 for outputting N pieces of band addresses 17-19 corresponding to N pieces of addresses 11-13 outputted by N pieces of processors 1-3 and M pieces of bands 5-7 (M is an integer >N) for storing a plurality of instructions and outputting one of the above instructions corresponding to one of N pieces of bank addresses 17-19 outputted by the address selecting part 8. In this case, N pieces of processors 1-3 fetch the instructions 14-16 on the mutually different above instruction fetch stages.
Patent JP-S63219973-A (JP)
Title: Three-way solenoid valve
Inventor: AOKI TADASHI
IPC: F25B41/04
Filed: 1987-03-09
Abstract: PURPOSE:To make various switching operations by controlling open/close operation of first and second valve bodies by means of a plunger which makes motion in double stage through low and high excitation of a solenoid coil. CONSTITUTION:When a solenoid 3 is excited weakly, a plunger 8 makes first stage motion while resisting against a compression spring 11 until an auxiliary chip 12 contacts with an attraction core 10. Consequently, a first needle valve body 4 released from pressing of a connecting rod 14 is moved by a compression spring 7 and separated from a valve seat C' so as to open a port C. When the solenoid coil 3 is excited strongly, the plunger 8 moves and contacts with the attraction core 10. At this time, the plunger 8 moves a second needle valve body 5 against the compression spring 13, thereby the second needle valve body 5 separates from a valve seat B' and opens a port B.
Patent JP-S53138033-A (JP)
Title: Constant current driving circuit
Inventor: MIE HISAKI
IPC: G05F3/26
Filed: 1977-05-09
Abstract: PURPOSE: To increase rising and falling time of pulse current flowing into the load, by connecting capacitor between the junction of constant current circuit and fixed point. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S53138031-A (JP)
Title: Power controller
Inventor: AKAMATSU MASAHIKO
IPC: H02M7/515
Filed: 1977-05-07
Abstract: PURPOSE: To reduce duty of solid state switch by constituting reactor winding and coupling winding in switching circuit comprised of solid state switch bridge with overlapped stripe conductor. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S55143959-A (JP)
Title: 2-acylbenzcyanamide derivative
Inventor: ADACHI MAKOTO
IPC: C07C239/00
Filed: 1979-04-26
Abstract: NEW MATERIAL:The title compound of the formula I (R 1  is H, alkyl, alkoxy, or halogen; R 2  is alkyl, cycloalkyl, or haloalkyl; R 3  is alkyl, aralkyl, phenyl, or halophenyl).  
     EXAMPLE: 2-(N-cyanoisopropylamino)-4-methylbenzophenone.  
     USE: Useful as medicines for men and animals, and as intermediates for the synthesis of antiinflammatory agents, quinazolin-2-ones, due to the antiinflammatory effects.  
     PROCESS: A compound of formula II is reacted with a cyanogen halogenide, e.g. cyanogen chloride or bromide, in the presence of a salt, preferably potassium carbonate or sodium hydrogencarbonate, usually in an inert solvent, e.g. chloroform, at about 60W80°C, to give the title compound of formula I. 
     COPYRIGHT: (C)1980,JPO&Japio