baber/WOPTO huggingface dataset:
Patent JP-2001094365-A (JP)
Title: Low distortion power amplifier
Inventor: MATSUURA TORU
IPC: H03F1/32
Filed: 1999-09-20
Abstract: PROBLEM TO BE SOLVED: To insufficiently reduce the distortion of mutual modulation by insufficiently reducing impedance in the modulation frequency of a bias circuit. SOLUTION: A low-distortion power amplifier is provided with a transistor 104 for amplifying power, an input matching circuit 109 connected to the input of the transistor 104, an output matching circuit 110 connected to the output of the transistor 104, a λ/4 line 105 as a distribution constant line for whose one end is connected to the output of the transistor 104 for supplying bias voltage and a capacitor 106 whose one side is connected to the other end of the distribution constant line and the other side of which is grounded. The amplifier increases the line width of the line 105 or reduces an interval between the line 105 and a ground surface 108 to make the impedance of a bias circuit in a modulation frequency in a view from the transistor 104 close to a short- circuit to reduce mutual modulation distortion generated from the transistor 104.
Patent JP-S63121611-A (JP)
Title: Method and device for stirring molten metal bath for electric arc furnace
Inventor: SEKI MASAHIKO
IPC: C21C5/52
Filed: 1986-11-08
Abstract: PURPOSE:To suppress waving, turning and oscillating movements of the molten metal in a furnace and to thoroughly stir the molten metal by specifying the blowing rates of gases from central nozzles provided in the central part of the furnace bottom and precribed peripheral nozzles to prescribed flow rate ratios. CONSTITUTION:>=1 pieces of the peripheral nozzles 7 are provided to the furnace floor part 5 in a 0.2-0.8XR radius range (where R: inside radius of the shell 1a of a furnace body 1). >=1 pieces of the central nozzles 6 are provided to the central part of the furnace body 1. The ratio of the total flow rate Q1 of the gas for stirring or in common use for transporting the powder and for stirring to be blown from the central nozzles 6 and the total flow rate Q2 of the gas to be blown from the above-mentioned peripheral nozzles 7 is specified to 0.5-5 Q1/Q2.
Patent JP-H05104832-A (JP)
Title: Printing device
Inventor: SHINOHARA TAKASHI
IPC: B41J29/42
Filed: 1991-10-15
Abstract: PURPOSE:To ensure that an operation is performed in accordance with a guidance by an electronic typewriter, even if a user does not comprehend the content of a command name. CONSTITUTION:If a required operation name is input with a key by a user, a word corresponding to the operation name is interpreted by an input key word interpretation means 14, then a functional word name is called from a functional candidate word means 17 by a calling means 16, and the content of operational description corresponding to the functional name is called from a functional description storage means 19 by a function calling means 18 to be indicated on the display part of a display means 20. Subsequently, an operational protocol is indicated each time on the display part, even if the user does not comprehend the command name and its content. Thus it is possible to operate a typewriter without a manual.
Patent JP-H02111982-A (JP)
Title: Developing device for liquid developing device
Inventor: SASAKI MARIKO
IPC: G03G15/10
Filed: 1988-10-21
Abstract: PURPOSE:To obtain the developing device which is low in cost, light in weight and small in capacity by superposing another plate material on a plate material having developing slit grooves. CONSTITUTION:Two sheets of the plate materials 12, 13 are used and the grooves as the developing slits 14 are formed by blanking or etching to the one plate material 12. This plate material is superposed on the other plate material 13. The thickness (depth of the developing slits 14) of the upper plate 12 is, prescribed 1mm or slightly below and the material thereof is, characteristic a stainless steel. Resistance to wear is not required for the lower plate 13, unlike with the upper plate 12 and, therefore, the plate material which is made of a suitable material or synthetic resin and has 1mm to several mm thickness generally suffices as the material thereof. The developing device 11 is formed light in weight and small in capacity as a whole and the cost thereof is reduced by the reduced costs of fabrication and materials.
Patent JP-H01109711-A (JP)
Title: Composite chip-type solid electrolytic capacitor
Inventor: IRIKURA ISAO
IPC: H01G9/08
Filed: 1987-10-23
Abstract: PURPOSE:To obtain a composite chip-type ceramic capacitor at a low cost with good productivity, by covering a solid electrolytic capacitor with a sheathing resin with leads from its anode and cathode metallic terminals being exposed, disposing and fixing a chip-type ceramic capacitor within a groove provided on the bottom of the resin and connecting the leads to terminals of the capacitor. CONSTITUTION:An anode lead 2 of a tantalum capacitor element 1 is welded to an anode metallic plate terminal 3 at its welding section and a cathode metallic plate terminal 5 is bonded to a cathode layer by means of a conductive adhesive or solder 6. Sheathing resin 8 raving a groove 7 on the bottom thereof is formed such that the terminals 3, 5 are led out from the opposite side faces. A chip-type ceramic capacitor 9 is arranged in the groove 7 and the terminals 3, 5 are bent downwards so as to make approximately a right angle and to extend along the opposite side faces. The terminals 3, 5 are further bent inwards so as to wrap the capacitor and are connected to terminals 10 of the capacitor 9 by means of a conductive adhesive 11. In this manner, a composite chip-type capacitor can be produced at a low cost with good productivity.
Patent JP-H11110962-A (JP)
Title: Memory control circuit
Inventor: TAKESHIMA SUSUMU
IPC: G11C11/401
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a memory control circuit which can control memories having simple constitution and different specifications without changing design of a semiconductor integrated circuit. SOLUTION: In a DRAM control circuit controlling a DRAM 3, a RAS external circuit 19 is externally mounted to a DRAM controller 10 being one part of ASIC (application specific integrated circuit). The RAS external circuit 19 has a RAS control bus 15 and a pull-up resistor, and constituted by connecting these RAS control bus 15 and pull-up resistor in a form in accordance with bus width of the DRAM 3. Thereby, when a DRAM 3 having different bus width is mounted, design change of the DRAM controller 10 is not required, and the purpose is attained by only changing circuit constitution of the RAS external circuit 19.
Patent JP-H02112973-A (JP)
Title: Sheet jam preventing device for printer
Inventor: NAKAMURA SHIGEO
IPC: B41J11/42
Filed: 1988-10-21
Abstract: PURPOSE:To prevent a sheet jam by detecting no sheet by sheet detecting means when the end of the sheet is displaced out of feed rollers of supply side sheet feeding means to become a free state, and operating a roller releasing mechanism by driving means on the basis of its signal. CONSTITUTION:When a reverse sheet feed signal is, if a sheet detection sensor 37 is turned ON and some sheets are detected, input, the reverse sheet feeding operation of designated distance is executed. The sensor 37 is turned OFF, and if no sheet is detected, a drive signal is applied to a drive motor 34, the lower feeding roller 9 of supply side sheet feeding means 7 is retreated to a roller releasing position, and then the reverse sheet feeding operation of the designated distance is performed. Thereafter, the drive signal is again applied to the motor 34 to move the roller 9 of the means 7 to a sheet feeding position.
Patent JP-H07126042-A (JP)
Title: Water-repellent glass and production thereof
Inventor: TAKAHASHI OSAMU
IPC: C03C17/00
Filed: 1993-10-26
Abstract: PURPOSE:To obtain glass excellent in water repellency, adhesion and weathering resistance and having hard water-repellent film in a simple iaminate film constitution. CONSTITUTION:In water-repellent glass forming a water-repellent layer 2 on a smooth or finely uneven glass surface, the water-repellent layer 2 consists of at least SiO2 and a fluororesin and the fluororesin is constituted so as to continuously increase from glass side to the outside of the glass and the fluororesin in the water repellent layer 2 has 30-300wt.% content based on SiO2.
Patent JP-H07123008-A (JP)
Title: High efficiency coder
Inventor: UENO MASATOSHI
IPC: H03M7/30
Filed: 1993-10-26
Abstract: PURPOSE:To realize a higher compression efficiency by providing a parameter common use means to the coder, obtaining parameter information of coding for each channel and using the parameter information in common between at least >=2 channels. CONSTITUTION:Audio data of each channel are received from terminals 112a, 112b, and fed to re-quantization devices 108a, 108b. On the other hand, the result of calculation of each channel common processing cost is received from terminals 113a, 113b and fed to a scale factor common processing circuit 105, in which a scale factor is processed in common. Values max (SF1, SF2) for the common processing are obtained from each unit (SF1, SF2 are values of scale factor of two channels of units whose common processing cost is calculated) to use the result as the scale factor of each unit. Then, a common sub- information quantity is obtained, and a word length is decided and finally each of the re-quantization devices 108a, 108b is re-quantized for each channel based on the obtained common parameter and the result is outputted from terminals 114a, 114b as coding data.
Patent JP-S61145964-A (JP)
Title: Facsimile equipment for transmission and reception
Inventor: KATSURAGI SHIGERU
IPC: H04N1/32
Filed: 1984-12-20
Abstract: PURPOSE:To execute the recording control and the communicating service control by one black picture element number detector by detecting a black number of an original by a black number detector of a recording device. CONSTITUTION:At the time of transmission, original picture information (a) from a reading device 1 is coded by a coding decoding device 6, transmitted through a communicating control part 7 and a line interface 8, and at the time of reception, the transmitted picture information is decoded through a line interface 8 and a communicating control part 7 by the coding decoding device 6, and recording picture information (b) is recorded by a recording device 3. A black picture element number detector 2 provided with the recording device 3 detects the number of black picture elements from the recording picture information (b) and is used to recording control. First, when the first transmitting original is transmitted, a terminal control device 5 detects a page number input '1' set beforehand, commands to the recording device 3 to detect whether or not the next page is white paper, and the read original picture information (a) is sent to the recording device 3 as recording picture information (b). When the above-mentioned result is white paper, the next transmitting original is transmitted to other address, and when it is not white paper, the communication is completed due to an abnormality.
Patent JP-H0794491-A (JP)
Title: Dry etching method and dry etching treatment apparatus
Inventor: NAGAYOSHI HIROSHI
IPC: H01L21/3065
Filed: 1993-09-22
Abstract: PURPOSE:To etch Si or GaAs selectively in relation to SiO, SiO2, SiC or Al by forming high-density hydrogen radicals by a microwave discharge to hydrogen and by applying the hydrogen radicals onto the surface of the Si or the GaAs. CONSTITUTION:A reaction vessel 2 made of stainless steel is joined to a hydrogen radical producing chamber 1 made of quartz glass. Moreover, a sample stage 3 is provided in the reaction vessel 2 and a sample 4 to be treated is set on this stage. Besides, a heater 5 is provided inside the sample stage 3 and thereby the temperature of the sample 4 to be treated is controlled. In a treatment apparatus thus constructed, hedrogen radicals 6 produced in the hydrogen radical producing chamber 1 are applied onto the sample 4 to be treated, so as to etch Si or GaAs selectively in relation to SiN, SiO2, SiC or Al. Thereby the in-plane uniformity of etching and the precision of etching can be increased.
Patent JP-H08128547-A (JP)
Title: Reverse flow preventing regulator and gas meter including it
Inventor: NAKAMURA MITSUHIRO
IPC: F16K15/00
Filed: 1994-10-31
Abstract: PURPOSE: To provide a reverse flow preventing regulator with high reliability by which reverse flow of gas inside a meter is prevented even if a pressure on a secondary side is temporarily increased above that on a primary side. CONSTITUTION: A regulator main body 3 is arranged in the middle of a gas pipe line 1, while the first pressure chamber connected to the gas pipe line 1 in the upstream beyond the regulator main body 3 and the second pressure chamber 14 connected to the gas pipe line 1 in the downstream beyond the regulator main body 3 are arranged, and a pilot regulator 10 provided with a valve function, by which a valve is opened if the pressure in the first pressure chamber 13 is higher than that in the second pressure chamber 14 and is closed if the pressure in the first pressure chamber is not higher than that in the second pressure chamber 14, is arranged.  The third pipe 22 serving as a regulator controlling line is arranged, and its one end side is connected to the first pressure chamber 13 of the pilot regulator 10 via an orifice, while the other end side is communicated with a pressure controlling chamber 8 in the regulator main body 3 and its downstream via a venturi 23.
Patent JP-H1084893-A (JP)
Title: Production of noodle and grain powder composition for noodle
Inventor: AKASHI HAJIME
IPC: A23L7/109
Filed: 1996-09-18
Abstract: PROBLEM TO BE SOLVED: To obtain noodles which have excellent viscoelasticity and are soft, sticky and smooth and has excellent taste, flavor and texture without bad taste or bad smell by adding acid protease and glucoamylase to produce noodles. SOLUTION: Noodles are produced by adding 3000 to 40000 units of acid protease, preferably 6000 to 25000 units, and 1400 to 83000 units glucoamylase, preferably 4000 to 60000 units, more preferably 8000 to 35000 units to 1kg of a grain power such as flour, rice powder, barley power, buckwheat power, starches and soybean powder.
Patent JP-H05106971-A (JP)
Title: Hot isotropic pressurization device
Inventor: KANDA TAKESHI
IPC: B01J3/00
Filed: 1991-10-16
Abstract: PURPOSE:To increase the size of a heating device having a heating medium which has a large electric resistance at an ambient temperature and calls for preheating. CONSTITUTION:There is installed a heating device 7 which comprises a high temperature heating medium 8 and a preheating medium 9 in a furnace chamber 6 in an insulation layer 5. The high temperature heating medium 8 comprises a plurality of sheet-shaped heating mediums 16 which are provided with at least one slit section 15 which is opened in the lower part and closed in the upper part so that they are laid out on the periphery of the furnace chamber 6 and receives electric power. There is provided a holding member 13 which holds the sheet-shaped heating mediums 16 under an electrically insulated state from the top of a support base of work pieces provided in the furnace chamber 6.
Patent JP-S61145411-A (JP)
Title: Marine gyrocompass
Inventor: MIYABE TOSHIHIDE
IPC: G01C19/38
Filed: 1984-12-19
Abstract: PURPOSE:To enable automatic change of the latitude, by calculating an estimate latitude by actual bow bearing, ship speed and time interval and calculating a speed error generated in a gyrocompass by the estimated latitude, ship speed and bow bearing. CONSTITUTION:A true bow bearing setting unit 1, by feeding a bow bearing thetafrom a bow bearing detecting element 2 and a speed error correcting amount DELTAthetafrom a speed error correcting computer 5, sets the true bow baring Qr and an estimated latitude computer 4 calculates the estimated latitude basing upon a bow bearing thetar, ship speed v from a ship speed detecting element 6, a time interval DELTAt from a clock signal generator 7 and an initially set latitude phi0 set and reset by a latitude initially setting unit 8. Namely, using true bow bearing thetar and ship speed v and following the time interval DELTAt after the initially set latitude, the estimated latitude is calculated. The computer 5 introduces estimated attitude phi from the computer 4, ship speed v and bow bearing thetaas inputs and calculates a speed error generated in a gyrocompass and feed a speed error correcting amount DELTAtheta to the setting unit 1. By repeating these procedures, changes of the ship position can be available automatically.
Patent JP-S61147788-A (JP)
Title: Secondary resistance identifying device for induction motor
Inventor: ONISHI KOHEI
IPC: H02P27/04
Filed: 1984-12-19
Abstract: PURPOSE:To maintain the controlling performance of a vector control irrespective of the temperature rise of an induction motor by obtaining the variation of the secondary resistance and calculating the actual secondary resistance value. CONSTITUTION:An output torque T, the secondary currents I2alpha, I2beta are calcu lated in a vector control by the primary input currents i1alpha, i1beta with parameters L1, L2, M, r1, r2 of an induction motor as known values. Since the value of the secondary resistance r2 considerably varies by the temperature rise in the motor, the controlling performance of the vector control is deteriorated that much. Thus, to identify torque constant Km, an operating function block having an adaptive control system is provided, the variation of the secondary resistance is obtained by the identified torque constant Km to calculate the actual secon dary resistance value.
Patent JP-H0583421-A (JP)
Title: Telephone connecting equipment between computer and plural talkers
Inventor: OGAWA TAKAO
IPC: H04M3/42
Filed: 1991-09-21
Abstract: PURPOSE:To simply and economically obtain a system for obtaining a telephone connecting state between a computer and plural talkers. CONSTITUTION:A computer system 1 is provided with a personal compute 2, a voice input/output device 6, a telephone circuit controller 7, etc., reads a telephone number of a call destination stored by the personal computer from a storage, and sets three parties of the side for making a telephone, the call destination and the system to a connected talkable state by a telephone circuit by a hooking signal sent out to a telephone exchange through the telephone circuit from the personal computer concerned.
Patent JP-H07103360-A (JP)
Title: Flow amount control valve
Inventor: TAKAHASHI TATSUO
IPC: B60G17/04
Filed: 1993-09-30
Abstract: PURPOSE:To miniaturize a flow amount control valve, and improve mounting performance on a car body by providing a pilot valve, in a spool valve, for making pilot pressure flowing in/out to/from a pilot pressure chamber by a relative position of the spool valve. CONSTITUTION:In a three port three position flow amount control valve 21 used in intake/exhaust operation of a height regulating cylinder for an automobile, a main spool 23 is fit to a valve main body 22, a pilot spool 36 is fit in the main spool 23, and pilot pressure chambers 36, 38 are formed on both ends thereof. The pilot pressure chamber 36 is communicated with a drain chamber 27, and both chambers 36, 38 are communicated with each other through an orifice 39. The pilot spool 36 is displaced by a proportional solenoid 25 through an operating rod 45, and the main spool 23 is displaced proportionally to boosted pilot pressure so as to switch a flow passage when a pilot side pump port 46 or a pilot side tank port 47 is communicated with a pilot pressure passage 43.
Patent JP-H03130229-A (JP)
Title: Preparation of cell-activating agent
Inventor: AKAHA TAKESHI
IPC: A61K35/52
Filed: 1989-10-17
Abstract: PURPOSE:To easily and efficiently obtain a cell-activating agent exhibiting a marked effect against geriatric diseases and free from the problem of infection by thermally sterilizing sperm-containing human semen and separating and removing seminal plasma. CONSTITUTION:Sperm-containing human semen is sterilized by heating at 100-110 deg.C for 5-20min, diluted with a diluent such as physiological saline solution or aqueous solution of fructose and centrifuged to separate the seminal plasma and recover the cell component as the objective cell-activation agent. The cell- activating agent is effective on Alzheimer's geriatric dementia, cerebrovascular dementia, cerebrovascular disorder (cerebral hemorrhage, cerebral embolism and cerebral infarction), cardiac diseases, renal diseases, cataract, etc. It is parenterally administered (usually by subcutaneous injection or intramuscular injection) and its amount is 0.1-0.5mg/dose based on the semen. It is administered once or twice for light cases and about 4-10 times for serious cases with intervals of 1 week.
Patent JP-2001090676-A (JP)
Title: Ink supply pump
Inventor: ENDO TOSHIHIRO
IPC: F04B53/16
Filed: 1999-09-22
Abstract: PROBLEM TO BE SOLVED: To provide an ink supply pump for supplying the viscous fluid to be solidified when a large frictional force is applied while preventing the solidification. SOLUTION: This ink supply pump 20 is provided with at least a cylinder 2 and a piston 1 to be reciprocated inside of the cylinder 2. Angle of contact of the material in at least any one of sliding parts between the inner surface 2a of the cylinder 2 and a piston O-ring 9 to be brought in contact with the cylinder inner surface 2a and between a cylinder end wall O-ring 10 and a rod shaft outer peripheral surface 1a is set at 100 degree or more, and the other thereof is set at 80 degree or more.
Patent JP-H11104397-A (JP)
Title: Drum type washing/spindrying machine
Inventor: NAGAOKA MASAHIKO
IPC: D06F25/00
Filed: 1997-10-01
Abstract: PROBLEM TO BE SOLVED: To prevent hot air in a water drum from leaking into a detergent inputting case part during spindrying operation, and water generated by dew condensation on the back side of a door of the detergent inputting case from flowing down, by forming a trap between the detergent inputting case part of a water feed passage and an injection hole to the water drum. SOLUTION: When a flow passage opens by a feed valve's 13 action, flowing water is guided to a water injection case 15 through a feed hole 14, falls on a detergent inputting case 17 like a shower, and flows into a water injection pipe 18 at a lower place with dissolving detergent or others input in the detergent inputting case 17. The lower part of the water injection pipe 18 is movably connected with a side surface of a water drum 2 through a water injection bellows 19, and as a U-shaped trap 20 to prevent hot air in the water drum 2 for leaking into the water injection bellows 19. When spindrying operation starts water of amount enough filling the trap 20 is fed, and also after the spindrying operation starts a control device 23 operates the feed valve 13 every given time to feed water.
Patent JP-2000102227-A (JP)
Title: Sealing method and sealing mechanism for attaching cylindrical member to rotor magnet
Inventor: IZUMI YOSHIYUKI
IPC: H02K15/03
Filed: 1998-09-22
Abstract: PROBLEM TO BE SOLVED: To positively seal a cylindrical member, with a simple construction and to improve sealing performance. SOLUTION: A 1st sealing mechanism has a plurality of segments 66a-66l which are arranged in annular form. A diameter expanding means 48, which makes the tapered surface 50 of a displacement member 37, pushes the plurality of segments 66a-66l so as to be displaced outward radially to push the entire inner circumferential surface of a cylindrical member 20 whose diameter is expanded outward radially and substantially uniformly over the entire circumference and a sealing ring 60 which surrounds the outer circumferential surface of the cylindrical member 20 are provided.
Patent JP-S62129493-A (JP)
Inventor: TAKESHITA SANETOMO
IPC: E06B9/302
Filed: 1985-11-30
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。