baber/WOPTO huggingface dataset:
Patent JP-H11145918-A (JP)
Title: Data broadcast transmission system, data broadcast reception system and data broadcast system
Inventor: NISHIMOTO HAJIME
IPC: H04H20/00
Filed: 1997-11-06
Abstract: PROBLEM TO BE SOLVED: To transmit/receive not only character data and image data but also audio data and to enable effective display and reproduction even when the data throughput on the side of reception is low. SOLUTION: Concerning a data broadcast system for transmitting an original program and transmitting text data, this system is provided with a voice coding device 101 for converting analog audio signals to digital audio data, information editor 102 for adding link data showing the relation of text data and audio data and the identification code of the audio data and preparing distribution data by editing the text data and audio data into format, signal multiplexer 103 for multiplexing the original program and the distribution data, reception decoder 202 for extracting the distribution data, data recorder 204 for demultiplexing the audio data from the distribution data while storing the distribution data, a voice decoder 205 for converting the audio data to the analog audio signals, and a voice reproducing device 206 for outputting the voice by amplifying the analog audio signals.  Thus, audio information corresponding to the text data can be provided.
Patent JP-H05145306-A (JP)
Title: Terminator
Inventor: SHINKO NAOKI
IPC: H01P1/26
Filed: 1991-11-20
Abstract: PURPOSE:To obtain a terminator excellent in a characteristic when a conductor pattern on a dielectric board is terminated with respect to the terminator in a microwave circuit. CONSTITUTION:A resistor element 5 formed by providing electrodes 7, 8 onto upper and lower sides of a resistor 6 having a prescribed resistance between the upper and lower sides is inserted to a hole made by penetrating into a conductor pattern and a dielectric board at the lower part of the conductor pattern, the upper electrode 7 is connected with the conductor pattern 2 and the electrode 8 on the lower side is connected to a ground conductor 3 at the lower side of the dielectric board. Or an earth bush with a resistor composed of a metallic bush provided on the upper side of a cylindrical resistor having a prescribed resistance between the upper and lower sides and composed of a metallic cylinder provided on the lower side is inserted to a hole provided by penetrating into the conductor pattern and the dielectric board at the lower part of the conductor pattern. The earth bush with the resistor is connected between the conductor pattern 2 on the dielectric board and a casing 4 at the lower part of the dielectric board by tightening the earth bush with the resistor with a screw inserted in the hole thereof.
Patent JP-H07201875-A (JP)
Title: Method for using material of low dielectric constant in manufacture of integrated circuit
Inventor: DERIRU DEII JIEI OORUMAN
IPC: H01L23/522
Filed: 1994-12-08
Abstract: PURPOSE: To cure a final structure and to minimize crosstalks by coating an integrated circuit with a low specific-dielectric-constant material and heating it in an atmosphere. CONSTITUTION: This low specific-dielectric-constant material 34 is applied over the top surface of an integrated circuit device 10 to form a passivation oxide film 30 on the surface. Then the structure is cured through a heat treatment. After the curing, a photomasking and etching step is carried out. This is performed for opening areas in an SOG layer 34 and the passivation oxide film layer 30 for making a connection from a package to the integrated circuit device 10. Then resist emulsion is removed. Lastly, the integrated circuit device 10 is annealed to remove damages and defects present in a gate oxide film. Consequently, crosstalks can be minimized.
Patent JP-H03166716-A (JP)
Title: Positive-resist developing device for semiconductor
Inventor: OMAE TADASHI
IPC: G03F7/30
Filed: 1989-11-27
Abstract: PURPOSE:To reduce the usage of a developer while enabling the liquid to up uniformly spread on the surface of a silicon wafer by mounting a ring for preventing the outflow of the developer along the outer circumferential section of the top face of the wafer. CONSTITUTION:When a developer is discharged from a nozzle 3, an arm 7 is lowered, a ring 6 is installed to a peripheral section on a silicon wafer 2, and the developer is discharged slowly toward the surface of the silicon wafer 2 from the developer discharge nozzle 3 under the state. The developer is stored only in the region of the silicon wafer 2 surrounded by the ring 6, and does not overflow to the outside of the surface of the silicon wafer 2. The silicon wafer 2 is left at stand for a developing time, the arm 7 is lifted at the same time as the completion of the developing time, and the ring 6 is elevated and removed from the surface of the silicon wafer 2. Accordingly, the wasteful usage of the developer is reduced, and a developing rate and developing uniformity can be acquired without largely depending upon the size of the diameter of the silicon wafer 2.
Patent JP-H01144824-A (JP)
Title: Spurious reduction circuit by intermediate frequency higher harmonic wave
Inventor: KAWAGUCHI TOSHIO
IPC: H04B1/04
Filed: 1987-12-01
Abstract: PURPOSE:To reduce spurious caused by IF higher harmonic wave by providing a synthesizing device synthesizing an IF signal whose phase is converted and an IF signal in a band outputted by a mixer circuit on the front stage of a band-pass filter. CONSTITUTION:An IF signal generation circuit 6 generates the same intermediate frequency signal as the spurious of the intermediate frequency existing in the band of transmission frequency. Then, an IF signal level setting circuit 7 adjusts the level of the intermediate frequency signal generated by the circuit 6 so as to be the same level of as the intermediate frequency signal existing in the band of the transmission frequency. Besides, a phase conversion circuit 8 changes the phase of the intermediate frequency signal whose level is adjusted to be the same, makes it to a reverse phase for the phase of the intermediate frequency signal existing in the band and outputs it to the synthesizing device 9. Then, the composition unit 9 synthesizes the intermediate frequency signal existing in the band of the transmission frequency outputted from the mixer circuit 1 and the intermediate frequency signal of the reverse phase outputted form the circuit 8 and cancels the intermediate frequency signal existing in the band of the transmission frequency. Thus, the spurious caused by the IF higher harmonic wave can be reduced.
Patent JP-H09144804-A (JP)
Title: Liquid sealed type vibration control mount
Inventor: FUJIWARA YOSHIYA
IPC: F16F13/18
Filed: 1995-11-24
Abstract: PROBLEM TO BE SOLVED: To deepen a recess of a rib of an intermediate cylinder, and improve a degree of freedom of design by molding at least a single rib separately from an intermediate cylinder main body, and respectively joining installing flanges of a rib piece whose installing flanges are extended from both ends of this rib to a flange inner peripheral surface of the intermediate cylinder main body. SOLUTION: In an intermediate cylinder 21, window parts 23 are formed in a plurality in the circumferential direction so as to straddle between flange parts 22 and 22, but among cross sectional almost U-shaped three rib part 24 to define these window parts 23, only the rib part 24 to constitute rebound stoppers is molded separately from an intermediate cylinder main body. Installing flanges 26 are respectively extended from both ends of the rib part 24, and a ribe piece 27 is constituted. The installing flanges 26 and 26 of this rib piece 27 are joined to an inner peripheral surface of the flange parts 22 on the intermediate cylinder main body side. A recess of the separately molded rib part 24 is made deeper than that of the other rib parts 24.
Patent JP-2000129672-A (JP)
Title: Method for curing tip-closed pile
Inventor: SHIOZU NORIO
IPC: E02D7/28
Filed: 1998-10-27
Abstract: PROBLEM TO BE SOLVED: To prevent floating of a pile by filling the hollow part of the pile with a filler of an amount reducing the buoyancy of the pile after a tip-closed pile is built up in a preceding excavation hole. SOLUTION: An excavation hole 1 is excavated to build up a pile 10 attaching a tip cap 11, a hammer body 20 is mounted on the head part of the pile 10, a tip hammer 21 is hung from the hammer body 20 in the pile 10 by a wire 22, and moved up and down as shown by an arrow 23 to strike the tip part of the pile 10. Next, when the bottom part of the pile 10 bites into the bottom part 2 of the excavation hole 1, the tip hammer 21 is wound up to remove the hammer body 20 from the head part of the pile 10. Next, the hollow part of the pile 10 is filled with excavated soil 31 as a filler 12 by using a backhoe 30 or the like, and after the filler 12 reaches an amount canceling the buoyancy of the pile 10, working is completed. Thereby after the tip-closed pile is built up, the hollow part is filled with soil and sand, so that floating of the pile can be prevented.
Patent JP-H09129509-A (JP)
Title: Electric double layer capacitor
Inventor: TANAKA YUICHIRO
IPC: H01G9/022
Filed: 1995-10-31
Abstract: PROBLEM TO BE SOLVED: To improve heat resistance, have characteristics not impeding fineness and conductance of an electrolyte capable of preventing penetration of particles, and further enhance mechanical strength without insoluble and reactive characteristics with respect to the electrolyte by a method wherein cellulose of a fine fiber reticular structure is used as a separator. SOLUTION: Cellulose is employed as a separator. As such cellulose, one having a fine fiber reticular structure is preferable. As such ultra-fine cellulose microfibril, for example, bacteria cellulose produced by an acetobacter is listed. A structure body composed of bacteria cellulose has fineness and mechanical strength. Further, since bacteria cellulose is cellulose with high purity, it is chemically insoluble for an electrolyte, the instant prevention of conductance can be lowered.
Patent JP-H05111848-A (JP)
Title: Precise aligning device for strip sheet metal
Inventor: IGARASHI HIDEO
IPC: B23Q7/14
Filed: 1991-10-24
Abstract: PURPOSE:To surely drop a strip sheet metal from aligning shutters by providing a receiving part having an elevating mechanism which receives the strip sheet metal naturally falling due to opening of the aligning shutters and is moved by a predetermined dimension corresponding to the number of naturally falling strip sheet metals. CONSTITUTION:When a strip sheet metal 4 arrives at a rotating roller 12 located continuously to a carrying passage, the rotating roller 12 feeds the strip sheet metal 4 to the ends of belt-conveyer type aligning shutters 14a and 14b by its rotation. When arrival of the strip sheet metal 4 at the ends is confirmed, the aligning shutters 14a and 14b are opened in the horizontal direction, and the strip sheet metal 4 naturally falls into a receiving part 21 moved downward corresponding to the height of the pile. The receiving part 21 is lowered by a predetermined dimension each time it receives the strip sheet metal 4 sequentially falling and accumulates the strip sheet metal 4 till the predetermined number.
Patent JP-2001128038-A (JP)
Title: Image pickup unit, device provided with the same, video telephone, portable terminal, computer, on-vehicle camera, monitoring camera and endoscope
Inventor: SUNAGA TOSHIHIRO
IPC: G03B19/02
Filed: 1999-10-27
Abstract: PROBLEM TO BE SOLVED: To eliminate the need of designing an image pickup system at every device since structure for moving a whole camera for changing image pickup view is largely affected by the form of the device loading structure in a conventional case. SOLUTION: An image pickup medium 2, an optical system L where an object image is image-formed in the image pickup medium and a reflection member 3 which is arranged nearer an object-side compared to the optical system and which reflects light from an object so that it is made incident on the optical system are installed.  An image pickup unit driving (rotationally driving, for example) the reflection member and changing an image pickup range by the image pickup medium has reflection member driving means 4 and 5 driving the reflection member, an interface 14 realizing communication with a device main body on which the image pickup unit is loaded and which generates a signal for controlling the operation of the image pickup unit and a microcomputer 13 transmitting information on an image pickup unit-side to the device main body and controlling the reflection member driving means based on the signal received from the device main body.
Patent JP-H11145562-A (JP)
Title: Semiconductor laser device
Inventor: ITO SHIGETOSHI
IPC: H01S5/343
Filed: 1997-11-07
Abstract: PROBLEM TO BE SOLVED: To obtain a semiconductor laser device using a laser chip, which does not cause mis-alignments during a die bonding process and can be prevented from being short-circuited and on one surface of which positive and negative electrodes are formed. SOLUTION: In a semiconductor laser device which is constituted by mounting a semiconductor laser chip 200, having a plurality of electrodes 203 and 204 on one surface on a mounting member 101 having conductive film patterns 102 and 103 facing opposite the electrodes 203 and 204 on its mounting surface, the electrodes 203 and 204 are respectively connected to their corresponding conductive film patterns 102 and 103 by soldering 104 and 105, and the laser chip 200 is fixed on the member 101 with an insulating material containing resin 106.
Patent JP-H09148616-A (JP)
Title: Semiconductor waveguide type light receiving element and its manufacture
Inventor: KATO KAZUTOSHI
IPC: H01L31/10
Filed: 1995-11-24
Abstract: PROBLEM TO BE SOLVED: To obtain a low dark current, by laminating, in order, a third semiconductor layer having a first conductivity type wherein the energy gap is wider and the refractive index is smaller than a second semiconductor layer, and a forth semiconductor layer having a second conductivity type wherein the energy gap is wider than and the refractive index is equal to the third semiconductor layer. SOLUTION: A first semiconductor layer 102 of N-type InGaAsP whose band gap wavelength is 1.3μm, a second semiconductor layer 103 or N-type low carrier concentration InGaAs light absorbing layer, a third semiconductor layer 104 of N-type low carrier concentration InGaAsP layer whose band gap wavelength is 1.3μm and a forth semiconductor layer 105 of P-type InGaAsP layer whose band gap wavelength is 1.3μm are laminated on a semi-insulating InP substrate 101 in order. A P-type InP layer 106, a P-type InGaAs ohmic contact layer 107, an N-type ohmic electrode 108, a P-type ohmic electrode 109 and a reflectionless film 110 of silicon oxide are laminated in order. When silicon oxide is used as the reflectionless film, a low dark current can be obtained.
Patent JP-H03167338-A (JP)
Title: Bulky crimped yarn
Inventor: TANAKA MATSUMI
IPC: D01F6/62
Filed: 1989-11-24
Abstract: PURPOSE:To obtain bulky crimped yarn, having a specific cross-sectional shape and streaks in the yarn axial direction, excellent feeling to touch with silky appearance and gloss randomly joining two kinds of fiber-forming synthetic polymers having different dyeabilities in the form of layers. CONSTITUTION:Bulky crimped yarn, obtained by respectively separately melting two kinds of fiber-forming synthetic polymers (e.g. a polyester) having different dyeabilities, spinning the resultant melts through spinnerets having spinning holes of a modified cross-sectional shape, plying the resultant yarns having a cross-sectional shape at >=2.0 modified cross section degree and streaks in the yarn axial direction and randomly joining the plied yarns [preferably at (1:2)-(2:1) joining weight ratio] in the form of layers, having 150X10<-3> to 200X10<-3> birefringence ratio and suitable for clothes.
Patent JP-H02155496-A (JP)
Title: Measuring device for dynamic characteristic of stepping motor
Inventor: IMASHIRO AKIHIKO
IPC: H02P8/38
Filed: 1988-12-02
Abstract: PURPOSE:To measure dynamic characteristics under the state of actual operation by connecting a detector detecting currents and back electromotive voltage to the stator winding of a test motor and computing and estimating the angle of rotation, load torque, etc., of the test motor from an output from the detector. CONSTITUTION:In a detector 11, the exciting voltage Va of an excitation power supply 20 is changed over to a rectangular wave shape and a test motor 1 is driven, and currents Ia are made to flow through the circuit of a stator winding 1a. A differential amplifier 24 inputs the exciting voltage Va to a differential amplifier 27 during the drive. A differential amplifier 26 multiplies currents Ia by R and inputs the value to the differential amplifier 27, and the differential amplifier 27 outputs Va-RIa obtained by subtracting potential difference RIa from exciting voltage Va. An output Lfa from a differential amplifier 23 is subtracted from the output (Va-RIa) from the differential amplifier 27 by a differential amplifier 28, back electromotive voltage Ea is acquired as an output from the differential amplifier 28, and the back electromotive voltage is input to an A/D converter.
Patent JP-H03218460-A (JP)
Title: Packing material for gas chromatography
Inventor: NAGANUMA KAZUHIRO
IPC: G01N30/88
Filed: 1990-11-09
Abstract: PURPOSE:To obtain particles for packing having an excellent resolving power, high-temp. stability, durability, pressure resistance, and chemical stability by calcining the particles of a calcium phosphate compd. having a specific Ca/P ratio in a specific temp. range. CONSTITUTION:The calcium phosphate compd. having about 1.4 to 1.8 Ca/P is exemplified by the apatite having the chemical compsn. expressed by formula Ca10(PO4)6X2 (where X denotes a hydroxyl group, fluorine, CO3) and tricalcium phosphate. The particles of the calcium phosphate are formed by spray-drying the slurry obtd. by a wet synthesis method. These particles are calcined at about 400 to 1,200 deg.C.
Patent JP-H06107975-A (JP)
Title: Thermochromic coating film thermally discoloring from metalescent silver color and coating material composition for formation thereof
Inventor: SHIBAHASHI YUTAKA
IPC: B32B7/02
Filed: 1992-09-25
Abstract: PURPOSE:To provide a coating film reversibly exhibiting metalescence and capable of thermally discoloring from silver to water-whiteness or another color and to provide a coating material composition for forming the coating film. CONSTITUTION:A thermochromic film capable of reversibly discoloring from a metalescent silver color to water-whiteness. The film is formed from (A) a metalescent silver pigment composed of natural mica coated wit 16 to 39wt.% titanium oxide and having 110 to 170nm optical thickness of the coating layer and 5 to 100mum particle diameter or a mixture obtained by further adding a non-thermochromic material thereto, (B) a thermochromic material composed of an electron-donor compound, an electron-acceptor compound and an organic compound medium reversibly causing a color reaction between both the compounds and exhibiting <=6 brightness value of the color depth in the color-developed state and >=8 brightness of water-whiteness in the non-color-developed state and (C) a transparent film-forming material. The weight ratio of (A) the metalescent pigment to (B) the thermochromic material is (A):(B)=1:0.25 to 98, and a coating material composition or sheet for forming the coating film.
Patent JP-S63157751-A (JP)
Title: Control method for die temperature
Inventor: SHIMIZU MASUO
IPC: B29C45/26
Filed: 1986-12-22
Abstract: PURPOSE:To always maintain the die temp. to suitable temp. and to stably produce the excellent casting by adjusting the boiling point of liquid coolant in the die for die casting by pressurization and reducing pressure of the coolant according to the measured temp. value of temp. sensor arranged at the die. CONSTITUTION:At the time of pressurized-casting molten Al, etc., in a cavity 8 in the die 5, the die 5 is cooled by the coolant 6 in a cooling room 2 arranged in the die 5. The measured temp. of die by the temp. sensor 9 fitted in the die 5 is inputted into a die temp. control circuit 11 setting the suitable temp. of die and the temp. difference with the setting temp. is inputted into the pressure sensor 10. By this inputted value, the coolant 6 in a reserver tank 4 is introduced into the cooling room 2 in the die 5 or drawn, to control the pressure, so that the boiling point is become to the suitable temp. The variation of die 5 temp. by casting operation is adjusted by boiling and gasifying the coolant and the die 5 is cooled by adjustment of boiling point of the coolant, so as to always become suitable temp. and the deterioration of quality for the casting cast in the cavity 8 is prevented.
Patent JP-H04182047-A (JP)
Title: Production of high cleaned molten steel
Inventor: TANAKA HIROYUKI
IPC: B22D11/117
Filed: 1990-11-14
Abstract: PURPOSE:To obtain a cast slab excellent in cleanliness by providing a frame for introducing a molten steel stream from a ladle below a discharging hole of a ladle nozzle at pouring part in a tundish and imparting electromagnetic force for closing the supplied molten steel between the upper part of the frame and the discharging hole of the ladle nozzle. CONSTITUTION:The frame 4 for sealing the molten steel stream hermetically from the ladle nozzle 2 is set at the bottom part in the tundish 1, and further, the electromagnet 9 is disposed between the upper part of frame 4 and the tip part of the ladle nozzle 2. The molten steel stream from the ladle is supplied into the molten steel sealing zone 7 in the frame 4 while restraining its flow rate in a DC magnetic field zone 5 at the upper part of the frame 4. The molten steel supplied in the molten steel sealing zone 7 is successively moved to a float-up zone 8 in the tundish and at this time, the steel passes again through the DC magnetic field zone. By this method, the flow rate of the molten steel stream in the vicinity of the ladle nozzle 2 in the tundish becomes slow and by restraining the entrapping of a ladle slag and preventing the generation of a direct pouring stream, inclusion can be effectively removed in the tundish.
Patent JP-2001123216-A (JP)
Title: Lance pipe and manufacturing method thereof
Inventor: HATSUTANDA HIROKATSU
IPC: C21C5/46
Filed: 1999-10-27
Abstract: PROBLEM TO BE SOLVED: To provide a lance pipe, in which the development of crack on a castable coated layer caused by thermal expansion of a core metal pipe can be restrained, and a manufacturing method thereof. SOLUTION: The lance pipe 1 is a cylindrical body having 7,500 mm length and 360 mm outer diameter as the whole shape and is composed of the core metal pipe 2 having 76.3 mm outer diameter and 9.5 mm thickness, studs 3 arranged on the core metal surface, an organic material part 4 constituted of a straw rope having 9 mm thickness, wound around the outer periphery of the core metal pipe 2 at the position corresponding to the portion dipped into molten steel of the lance pipe 1 and the castable coated layer 5 constituted of mid-alumina quality castable having 140 mm thickness, covering the outer surfaces of the core metal pipe 2 and the organic material part 4.  Then, an expansion-absorption part 8 having the mixed layer of the residual slag burning the organic material part 4 by the heat of the molten steel during stirring and the fine powder of the castable, is formed and with this part, the development of the crack on the castable coated layer 5 caused by the thermal expansion of the core metal pipe 2, is restrained.