baber/WOPTO huggingface dataset:
Patent JP-H01249227-A (JP)
Title: Pressure controller for press die cushion
Inventor: YOSHIKAWA EIJI
IPC: B30B15/02
Filed: 1988-03-31
Abstract: PURPOSE:To obtain controllability all over the region from a low voltage to a high voltage by providing a gain constant electronic switch in a gain control circuit of a pressure control unit of a press die cushion. CONSTITUTION:A pressure control signal generating device 8 selects a cushion pattern by a computer 10 and reads out an angle data, a voltage data according to a pattern number. A crank angle is detected from a synchronous oscillator 11 and inputted into a pressure control generator 8. A set pressure instruction signal is outputted from an angle data crank angle and a voltage data to a pressure control unit 7. The pressure control unit 7 compares an inputted signal and a feedback signal from a pressure tranducer 17 detecting the primary side pressure of a servovalve 5 with a signal corrected by a constant K2 to output a deviation to a gain control circuit 18. The circuit 18 switches gain constants K1, KP, KI automatically by gain constant switching circuit 19 according to a set pressure instruction signal.
Patent JP-S57190934-A (JP)
Title: Viewfinder of single-lens reflex camera with eyesight adjustment
Inventor: MOMIYAMA KIKUO
IPC: G02B23/14
Filed: 1981-05-20
Abstract: PURPOSE:To obtain a viewfinder which is excellent in the compensation of aberration, by using three groups (negative, positive and positive) to form an eyepiece which shifts on an optical axis and at the back of the output surface of a pentagonal Dack prism, shifting only the 2nd group and at the same time defining the length of the focal distance. CONSTITUTION:A viewfinder consists of a focusing plate F, a condenser lens C, a pentagonal Dach prism P and an eyepiece G. The iris surface of the finder is referred to as I. The eyepiece G consists of a negative single lens G1, a positive single lens G2 and a positive signal lens G3. Then only G2 is shifted on the optical axis to vary the eyesight from +1 to -3 diopters. The focal distance of the G3 is set larger than that of the G2 to decrease the degree of shift of the G2 on the optical axis. Furthermore R9<¦ R10¦and R11<¦R12¦ are satisfied when the curvature radii of the G2 and G3 are set R9 and R10 and then R11 and R12 respectively from the side of the pentagonal Dach prism.
Patent JP-2000268637-A (JP)
Title: Snow accretion preventing type overhead electric wire and wire line thereof
Inventor: OKA TOSHIHIRO
IPC: H01B5/10
Filed: 1999-03-19
Abstract: PROBLEM TO BE SOLVED: To maintain all the surfaces of overhead electric wires to ultrahydrophilic property for a long period by coating outside faces of the overhead electric wires or metal tapes covering the outside faces of the overhead electric wires with anatase type ultrahydrophilic titanium oxide. SOLUTION: An outside face part of a bare metal wire 1 forming an outermost layer of overhead electric wires 2 is coated with anatase type ultrahydrophilic titanium oxide 3 and a snow accretion preventing type overhead electric wire is formed. Anatase type ultrahydrophilic titanium oxide is coated on the overhead electric wires 2 twisting a plurality of bare metal wires 1 over a plurality of layers or metal tapes covering the overhead electric wires 2. Anatase type ultrahydrophilic titanium oxide 3 has a contact angle close to 0 deg. in which contacting water becomes a uniformly thin water film and disperses, and when water is stuck to a surface, the surface presets a sliding surface due to formation of a thin water film.  As a result, when snow falls on the overhead electric wires 2 and wire line structural members, snow falls due to excellent sliding property of the boundary face of both of the overhead electric wires 2 and the wire line structural members and snow is prevented from sticking and depositing.
Patent JP-H01251596-A (JP)
Title: Dimming stabilizer for discharge lamp
Inventor: TAKANO YASUHARU
IPC: H05B41/392
Filed: 1988-03-31
Abstract: PURPOSE:To eliminate a dedicated transformer to feed the filament power and make the device small-sized by winding a filament power feeding winding on a lamp lighting transformer. CONSTITUTION:When an AC power source 1 is applied, the voltage higher than the discharge starting voltage of a lamp 5 in response to the turn ratio with a pulse winding 43 is momentarily generated on the secondary winding 42, this is applied to the lamp 5 to start the discharge of the lamp 5. After the discharge is started, the voltage induced on the secondary winding 42 by the current flowing in the primary winding 41 is added to the AC power voltage, the lamp 5 is kept at the discharge state, i.e., lighting state, by the added voltage. No dedicated transformer is required for heating a filament, the device can be made small-sized.
Patent JP-S58195505-A (JP)
Inventor: SHIRAI YASUNOBU
IPC: A47B21/00
Filed: 1982-05-10
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-H01248205-A (JP)
Title: Process controller
Inventor: HIROI KAZUO
IPC: G05B11/32
Filed: 1988-03-30
Abstract: PURPOSE:To realize an optimum control in accordance with an application control object by allowing a disturbance signal to branch and allowing the respective branch signals to pass through a unit transfer function, and thereafter, fetching selectively a high signal or a low signal from both the signals and compensating a dynamic characteristic by executing a subtraction processing to the disturbance signal. CONSTITUTION:A time directivity means which has allowed hourly lead/lag to have directivity in accordance with a rise variation and a fall variation of a disturbance signal D is provided as a dynamic characteristic compensating means of a feed-forward control system 10. In this state, by using this time directivity means, the disturbance signal D is allowed to branch into two, each branch signal is allowed to pass through a unit transfer function, and thereafter, outputted by selecting suitably a level. In such a way, a dynamic characteristic can be compensated, while allowing the signal to have, for instance, a quick response directivity at the time of rise of the disturbance signal D, and on the contrary, allowing the signal to have, for instance, a slow response directivity at the time of fall of the disturbance signal D.
Patent JP-S573593-A (JP)
Title: Digital speed controller for dc motor
Inventor: KAIKOU TOORU
IPC: H02P23/00
Filed: 1980-06-05
Abstract: PURPOSE:To reduce the number of the needed memories as well as save the labor needed to write data, and facilitate handling, by employing hardware to constitute the voltage-controlling minor loop of a digital speed controlling circuit employing a thyristor converter. CONSTITUTION:A digital speed signal 15a and a digital current signal 18a are inputted such an arithmetic apparatus 19 as a microprocessor and compared with a digital speed reference signal 12 to obtain a digital voltage reference signal 26a. Then, said digital voltage reference signal 26a and a digital voltage signal 30a are inputted to an adder 28 of hardware to compare them each other. The output signal therefrom is inputted to a gate switching circuit 23 and a gate pulse generator 22 which are hardware to control a thyristor converter 2. Accordingly, the voltage- controlling minor loop is independent of the load circuit. Therefore, the number of the needed memories can be reduced without affecting the control characteristics.
Patent JP-S572831-A (JP)
Title: Manufacture of steel product with very superior suitability of pickling
Inventor: NAKAMURA MOTOHARU
IPC: B21B45/00
Filed: 1980-06-10
Abstract: PURPOSE:To reduce the amount of secondary scale formed on steel products and to enhance the suitability of the scale to pickling by coating the products with a mixture of SiC powder and metallic sulfide powder and further forming each antioxidant layer before hot-rolling the products. CONSTITUTION:When steel products such as a slab and a billet are heated to 900- 1,400 deg.C and hot rolled, fine SiC powder having <=30mum size is mixed with powder of a metallic sulfide such as ZnS so as to make the ratio of ZnS/(SiC+ZnS) 0.1- 0.9, and the steel products are coated with the mixture by 20-800g/m<2> using a binder such as sodium silicate. They are further coated with an antioxidant consisting of Cr2O3, chamotte, SiO2, Al and sodium silicate. The coated steel products are then heated and hot-rolled. Thus, secondary scale is formed by a small amount, and the pickling of the scale with a mineral acid is finished in a very short time.
Patent JP-H10274023-A (JP)
Title: Oil strainer mounting structure for engine
Inventor: OTA KATSUYA
IPC: F01M11/03
Filed: 1997-03-28
Abstract: PROBLEM TO BE SOLVED: To widen freedom of design of an attaching position of an oil strainer to a lower case in an oil strainer mounting structure of an engine. SOLUTION: A lower case 2 is connected to a lower end of a cylinder block for supporting a crank shaft. An oil pan is connected to a lower end of the lower case 2. An oil passage 20 to be connected to an oil pump is formed in the lower case 2. An outlet flange 23 of an oil strainer 22 is connected to an opening 36 of the oil passage 20 into the oil pan. A connection surface 37 between the oil passage 20 and the outlet flange 23 is offset in respect to a connection surface 26 between the lower case 2 and the oil pan by thickness (t) of the outlet flange 23 or more. The outlet flange 23 does not interfere with a round portion of an inner peripheral edge of a connection surface 35 between the oil pan and the lower case 2, so that the outlet flange 23 can be arranged in the vicinity of the connection surface 26 of the lower case 2.  Design freedom of the oil strainer 22 is widened in a mounting position onto the lower case 2.
Patent JP-S61235813-A (JP)
Title: Multiple light source device
Inventor: ARAI NOBORU
IPC: G02B27/10
Filed: 1985-04-11
Abstract: PURPOSE:To easily multiplex laser beams from plural laser light sources into one laser beam by converging the laser beams on the same point through a coupling lens and collimating them into parallel beams through a collimator lens. CONSTITUTION:Semiconductor lasers 1-3 are arranged on the same periphery of a circle having its center at, for example, P1, and plural coupling lenses 21-23 are identical lenses having mutual equal focal length and arranged so that the point P1 and respective lasers are in conjugate relation. The collimator lens 30 is provided at a distance of its focal length f30 from the point P1 on optical paths of the laser beams which are converged on the point P1 and then diverged. Those laser beams incident on the lens 30 are transmitted through the lens 30 to become mutually close parallel beams 11b-13b, which are incident on an optical deflector, etc., and then pass through a scanning lens 40. Consequently, they are easily put in one laser beam at the desired position P2 which is a scanning position.
Patent JP-S59203551-A (JP)
Inventor: ASADA KANJI
IPC: A61B17/64
Filed: 1983-04-30
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。
Patent JP-S58194174-A (JP)
Title: Controlling system of positioning conversion head
Inventor: MIZOSHITA YOSHIBUMI
IPC: G11B21/08
Filed: 1982-05-08
Abstract: PURPOSE:To obtain a stable transient response regardless of the numbers of moving tracks, by changing the acceleration and deceleration in response to the accelerating and decelerating region of a moving position model, corresponding to the number of moved tracks. CONSTITUTION:The number of tracks from the track where a transducer head (e.g., magnetic head) is positioned at present to a track desired to be moved in future, is inputted to an acceleration and deceleration selecting loop 2 and a moving position model calculating loop 3. The optimum acceleration determined depending on the track number is calculated at the acceleration and deceleration selection loop 2, and it is fed to the moving position model calculating loop 3. A feedforward signal determined on the signal value applied to a feedforward signal calculating loop 4 is applied from the calculating loop 3, and a signal corresponding to the sum of the feedforward signal is applied from a power amplifier 12 to a voice coil motor 8 to drive it. Since this driving signal includes the optimum acceleration determined depending on the number of moved tracks, the transient response from the movement with less number of moved tracks to that with many moved tracks is made stable, and the positioning is attained in the possible shortest time regardless of the number of moved tracks.
Patent JP-S59202392-A (JP)
Title: Vacuum controller for condenser
Inventor: MORIMOTO HARUKI
IPC: F28B11/00
Filed: 1983-04-30
Abstract: PURPOSE:To relieve an operator of labor and enhance safety and reliability, by a method wherein a sea water flow rate calculating means is connected to a sea water flow rate controlling means, and the degree of vacuum in a condenser is automatically controlled. CONSTITUTION:Signals from a pressure detector 113, a flow rate detector 114 and a temperature detector 115 which are connected to a bypass pipe 110 are inputted into the sea water flow rate calculating means 116. The flow rate of sea water required for condensing steam is calculated, the calculated value is inputted into a sea water flow rate controlling means 117, and the vane pitch of a sea water circulating pump 108 is regulated by a signal from the controlling means 117 to control the flow rate of sea water circulated. Accordingly, since the flow rate of sea water required for maintaining the degree of vacuum in the condenser 107 at a predetermined value can be automatically controlled, the operator can be remarkably relieved of labor, and safety and reliability are enhanced.
Patent JP-2000273302-A (JP)
Title: Polyimide dispersion, polyimide coating film obtained from the same, and its production
Inventor: KISHIMOTO SOICHIRO
IPC: C08L79/08
Filed: 1999-03-23
Abstract: PROBLEM TO BE SOLVED: To obtain a polyimide dispersion which has a low viscosity in spite of its high polyimide concentration and excellent storage stability by dispersing a thermoplastic polyimide in an organic solvent being a nonsolvent. SOLUTION: The thermoplastic polyimide used is represented by formula I (wherein R1 is a tetravalent aromatic residue comprising at least one six- membered carbocyclic ring, the four respective carbonyl groups are directly bonded to different carbon atoms of the residue and form two pairs of confronting carbonyl groups, and the pairs are each bonded to two adjoining carbon atoms of the six-membered carbocyclic ring; R2 is a divalent aromatic residue having at least one six-membered carbocyclic ring; and m is an integer of 10-300). It is desirable that the thermoplastic polyimide is desirably one represented by formula I (wherein R1 is represented by formula II, and R2 is represented by formula II). The solvent used may be any one that is a nonsolvent for the thermoplastic polyimide and is exemplified by an aprotic polar solvent, an ether compound, or an alcohol compound.  The polyimide can give a coating film having good surface appearance and good properties.
Patent JP-S61234736-A (JP)
Inventor: UCHIDA YASUZO
IPC: A23L17/00
Filed: 1985-04-11
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-H11266659-A (JP)
Title: Combined harvester
Inventor: TAKAHARA KAZUHIRO
IPC: A01D69/00
Filed: 1998-03-25
Abstract: PROBLEM TO BE SOLVED: To provide a combined harvester that reduces the proportion of damaged grains in the harvested grains by reducing the anxiety of occurrence of damaged grains as much as possible based on the observed results of measurement of grain moisture content and on the detection information of the amount of the grain plants to be reaped and harvested. SOLUTION: This combined harvester is equipped with the grain moisture meter 41 that repetitively determined the moisture content of the grains, accompanied by the reaping operations, the sieve sensor S1 that detects the amount of the grain plants to be reaped and harvested, and the work controller 46 that controls the actuation of the working part for reaping and harvesting.
Patent JP-S61259307-A (JP)
Title: Unmanned carrier
Inventor: NAKAI SHOJI
IPC: G05D1/02
Filed: 1985-04-10
Abstract: PURPOSE:To make the unmanned carrier close to the station in the parallel condition by correcting the inclination of the unmanned carrier for the station based upon the swing angle of the driving wheel. CONSTITUTION:A pulse detecting circuit detects the swing angle theta of a driving wheel 4. When the angle theta exceeds the prescribed angle, it is judged that an unmanned carrier 1 goes sidewise for a station 2. Here, it is judged whether the angle theta is 90 deg. or not. When the angle theta is 90 deg., the unmanned carrier 1 has no inclination for the station 2 and therefore, traveling is continued as it is. On the other hand, when the angle theta is not 90 deg., either of driving motors 12 and 13 to drive driving wheels 4 and 5 is controlled, and the inclination of the unmanned carrier 1 is corrected. Thus, the unmanned carrier 1 can be made close to a platform 2 in the parallel condition.
Patent JP-H05276967-A (JP)
Title: Production of 6-hydroxy nitrogen-containing six-membered ring compound
IPC: C12R1/425
Filed: 1992-03-31
Abstract: PURPOSE:To obtain industrially and advantageously the subject compound useful as a synthetic intermediate for medicines, agricultural chemicals and dye by treating a specific nitrogen-containing six-membered compound with cells of a microorganism or its treated material in the presence of phenazine methosulfate in an aqueous medium. CONSTITUTION:A nitrogen-containing six-membered compound (e.g. nicotinic acid) of formula I (R<1> is carboxyl, carbamoyl, cyano, formyl, 1-5C hydroxyalkyl, etc.; R<2> is H or carboxyl; A is C or N) is treated with cells of microorganism belonging to the genus Agrobacterium, Arthrobacter, Bordetella, Brevibacterium, Pseudomonas, Achromobacter, Comamonas, Erwinia, Bacterium, Corynebacterium, Serratia, Sarcina, etc., or its treated material in the presence of phenazine methosulfate in an aqueous medium to give a 6-hydroxy nitrogen- containing six-membered compound (e.g. 6-hydroxynicotinic acid) of formula II.
Patent JP-H07278725-A (JP)
Title: Production of sintered steel having excellent machinability
Inventor: UENOSONO SATOSHI
IPC: C22C38/00
Filed: 1994-04-15
Abstract: PURPOSE:To improve the machinability of a sintered steel obtd. by specifying the contents of Mn and S of raw material iron and steel powder and adding powders of the sulfides of specific metals and graphite to the raw material powder at the time of producing the sintered steel by a powder metallurgical process using pure iron powder or alloy steel power as the raw material. CONSTITUTION:The Mn content in the iron and steel powder of the raw material is specified to 0.1% and the S content to 0.08 to 0.30% at the time of producing the sintered steel member by the powder metallurgical process using the pure iron powder or alloy steel powder produced by a water atomization as the raw material. In addition, >=1 kinds of the powders of the metal sulfides, such as MOS2, WS2 and SnS, having an average grain size 3 to 5mum and the powder of the graphite are added and mixed at 0.4 to 5% and lead stearate as a lubricant is added and mixed at about 1% to and with the powder. Such powder mixture is compression molded to a desired shape and is then sintered in a nitrogen atmosphere contg. hydrogen. Even though the FeS in the raw material is made to remain without reducing by the presence of the metal sulfide of the MOS2 system in spite of sintering in hydrogen, the carburization by the graphite is prohibited and, therefore, the sintered steel which is not degraded in the machinability by the presence of the graphite is obtd.
Patent JP-H02255163-A (JP)
Title: Golf club set
Inventor: OBARA TOSHIO
IPC: A63B53/00
Filed: 1989-03-29
Abstract: PURPOSE:To improve the stability of the direction of a ball by varying a moment of inertial around a shaft of a club head in order of the number of a club, or setting it all the same, and controlling its inter-gauge ratio. CONSTITUTION:As for a golf club set using a shaft made of fiber reinforced plastics, a moment of inertia around a shaft of a club head is set so that it becomes gradually smaller as a gauge of the club becomes larger, or becomes all the same, or becomes gradually larger but its inter-gauge ratio becomes <=1.04. In such a way, the moment of inertia around a shaft does not become excessively large even if the number of the club becomes large, and a rotation caused by inertia of the club head is suppressed easily.
Patent JP-2000329936-A (JP)
Title: Polarizing film
Inventor: HAYASHI SHIGETOSHI
IPC: C08J5/18
Filed: 1999-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal projector enabling color display similar to CRT. SOLUTION: This polarizing film is designed in such a manner that the transmissivity in the range of 400-500 nm wavelengths at the time of irradiating the film with linearly polarized light having a vibration face in parallel with the direction of an absorption axis is <=0.3%. Furthermore, the transmissivity in the range of 430-500 nm wavelengths at the time of irradiating the film with linearly polarized light having a vibration face orthogonal to the direction of an absorption axis is >=77%.
Patent JP-H08277941-A (JP)
Title: Mechanical seal
Inventor: TAKESHITA KOJI
IPC: F16J15/34
Filed: 1995-04-03
Abstract: PURPOSE: To provide a mechanical seal capable of solving fault such that prescribed fluid pressure is not generated on a shaft seal surface, and abrasion and burning damage are generated on the shaft seal surface to deteriorate sealing property, when rotating speed is a low level and reverse rotation is carried out. CONSTITUTION: This device is composed of a circumferential groove 14 which is recessed in an annular shape on the rear end surface of a rotary ring 1 for forming a shaft sealing surface or on the front end surface of a fixing ring 2, a radial directional or spiral outer circumferential side groove 15 which is recessed on the rear end surface of the rotary ring of the outer circumferential side of the circumferential groove 14, and an inner circumferential side radial direction groove 16 whose outer circumferential end is opened to the circumferential groove 14 and inner circumferential end is arranged on the intermediate part between the inner diameter rim of the circumferential groove 14 and the inner diameter rim of the fixing ring 2.  Fluid pressure which is fluctuated by the size of the clearance between the rotary ring 1 and the fixing ring 2 is generated on the shaft sealing surface. It is thus possible to prevent both ring 1, 2 from being brought in contact with each other, and prevent abrasion and burning damage of a sealing surface so as to maintain sealing property.
Patent JP-H08272816-A (JP)
Title: Data base retrieval system
Inventor: NAKAMOTO SHINYA
IPC: G06F17/30
Filed: 1995-04-03
Abstract: PURPOSE: To provide a data base retrieval system capable of easily referring to drawings and other documents referred to in the document without feeding a page. CONSTITUTION: This system is constituted of a CPU 1, a display means 2, an input means 3, a temporary storage means 6 and a retrieval part 4 connected to the CPU 1 and a data base 5 connected to the retrieval part 4. The retrieval part 4 is constituted of an entire sentence retrieval means 41 for retrieving the data base 5 based on a retrieval key word and obtaining text data and reference data relating to them, a first retrieval means 42 for retrieving a specified character string from the obtained text data and a second retrieval means 43 for obtaining information corresponding to the retrieved specified character string from the obtained reference data. The CPU 1 displays the text data obtained by the entire sentence retrieval means 41 and the information corresponding to the specified character string obtained by the second retrieval means 43 within the same screen.