baber/WOPTO huggingface dataset:
Patent JP-S60230715-A (JP)
Title: Pulse width modulating circuit
Inventor: OKADA YUKIHIRO
IPC: H03K5/08
Filed: 1984-04-30
Abstract: PURPOSE:To keep accurately a center duty ratio at 50% by detecting the deviation of a pulse duration modulation ratio from duty ratio 50% by a difference of time average value of output signals and 1/2 of peak level. CONSTITUTION:When time the average value of duty ratio of a pulse width modulation output D exceeds 50%, the center level supplied to a + terminal of a comparator circuit 13 becomes greater than 1/2 of peak level supplied to a - terminal, and the comparator circuit 13 outputs an error signal in positive polarity. This error signal heightness the DC level of saw tooth wave from a saw tooth wage geneator, and the duty ratio of output D is corrected in the direction of decrease. Conversely, when time average value of duty ratio of output D becomes less than 50%, the comparator 13 outputs an error signal in negative polarity. Duty ratio of the output D is corrected in the direction of increase by this error signal. Thus, a center duty ratio can be maintained exactly at 50%.
Patent JP-S61244907-A (JP)
Inventor: SUZUKI MASAKAZU
IPC: F16B11/00
Filed: 1985-04-23
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-2000284221-A (JP)
Title: Laser pointer mounted with planar, type electromagnetic actuator
Inventor: YANAGISAWA TAKAMICHI
IPC: H01S5/022
Filed: 1999-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a laser pointer in simple structure which is small-sized, lightweight, and low-cost by uniting the yoke of the planar type electromagnetic actuator and the housing of the laser pointer mounted with the actuator. SOLUTION: The laser pointer mounted with the planar type electromagnetic actuator has its yoke 4a and housing 4 united. Consequently, the actuator is adhered and fixed to the housing 4. Permanent magnets 1 and 2 are brought into contact with the yoke 4a united with the housing 4 and adhered and fixed. At this time, the yoke 4a of the housing 4 operates to reduce ineffective magnetic fields leaking from the permanent magnets 1 and 2 to the circumference. Here, a substrate 5 is provided to support the constitution components of the actuator and a connector 6 electrically connects the actuator and driving circuit boards 8 and 9 for driving the actuator.
Patent JP-2000281825-A (JP)
Title: Production of modified polyethylene terephthalate-based resin foam
Inventor: KAMISAKA YUKIO
IPC: B29C48/90
Filed: 1999-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a long modified polyethylene terephthalate based resin foam, excellent in secondary processability, capable of cycling, excellent in appearance of secondary processed products. SOLUTION: This method for producing the resin foam comprises dehumidifying and drying a mixture of three kinds of pellets comprising a modified polyethylene terephthalate-based resin pellet, a pelletized foaming agent and a pelletized nucleating agent at 45-65 deg.C over 3-12 hr by dehumidification type air flow drier, subjecting the dried pellet mixture to extrusion foaming in long shape at 150-210 deg.C cylinder temperature and 160-170 deg.C dice temperature, subjecting the resultant foam 10 to corrugation-eliminating treatment and pressing the foam by forming rolls 3 and 5 kept at >=45 deg.C, and density of the resultant foam 10 is within the range of 0.3-1.0 g/cm3.
Patent JP-H03286845-A (JP)
Title: Production of synthetic resin vessel
Inventor: EGUCHI MASAMI
IPC: B29L22/00
Filed: 1990-04-03
Abstract: PURPOSE:To contrive extremely efficient production of vessels, by attaching nozzles to predetermined locations of a synthetic resin sheet in a spread state, then folding the sheet, and sealing the folded sheet at parts corresponding to side parts and bottom parts of desired vessels. CONSTITUTION:A synthetic resin sheet 11 is provided with nozzle holes 13 arranged in the longitudinal direction of the sheet 11 and located at central parts with respect to the width direction of the sheet 11. Nozzles 23 formed of the same material as that of the sheet 11 are welded to the nozzle holes 13. After the welding is completed, the sheet 11 is folded in two, along a central part thereof (i.e., along a line passing through center parts of the nozzles 23). After the folding, opposed sheet parts of the sheet 11 are welded by a sealing device at intermediate parts 21 between the nozzles 23 and at free side edge parts 22. The tube 11 is then cut up along center lines of the welded intermediate parts 21, into vessels 12 each of which is welded at three edge parts thereof.
Patent JP-S63253466-A (JP)
Title: Fare collecting device
Inventor: NISHIO MASANORI
IPC: G07D9/00
Filed: 1987-04-09
Abstract: PURPOSE:To continuously collect the fare even when the connection is cut with a central device by producing a switch signal when the inquiry signal is interrupted for a prescribed time or linger and storing the fare data into a spare register area while the switch signal is available. CONSTITUTION:The inquiry signals, e.g., the polling/selecting signals are produced periodically from a central device. A time limit means 30 sets the prescribed time limit at the value rather longer than the cycle of the inquiry signal. Thus it is possible to detect the accidents occurring at a transmission line or the central device based on a fact that the inquiry signal exceeds said time limit. Therefore the occurrence of an accident is decided when the time limit exceeds the prescribed value and the means 30 is made produce immediately a switch signal. A fare data register means 40 stores all fare data into a spare data register area 22 of large capacity regardless of the presence or absence of the remaining memory capacity of a working register area 21 of the means 30 as long as the switch signal is available. As a result, a fare collecting device is kept under a working state for a long time despite occurrence of an accident of the central device.
Patent JP-S58204915-A (JP)
Title: Electric fan for automobile
Inventor: SHIMIZU JIYOUJI
IPC: F01P5/04
Filed: 1982-05-24
Abstract: PURPOSE:To increase the quantity of delivered air to a totally-enclosed electric motor, by providing openings in the hub of a cooling fan coupled to the output shaft of the motor and covering a part of the enclosing case of the motor, so that the air flows in between the end face and peripheral surface of the case of the motor through the openings. CONSTITUTION:A hub 2 is coupled to the output shaft of a totally-enclosed electric motor 1. Vanes 3 are attached to the peripheral surface of the hub 2. The hub 2 covers a part of the enclosing case of the motor 1 and is provided with air passage openings 2A in the front so that external air flows in between the end face and peripheral surface of the case of the motor 1.
Patent JP-H07277901-A (JP)
Title: Plant preservative and method for preservation
Inventor: SUGIYAMA FUMIHIKO
IPC: A01N3/02
Filed: 1994-03-31
Abstract: PURPOSE:To obtain a plant preservative having rapid absorbability by a plant, applicable to various kinds of plants including trees, capable of keeping colors, shapes and feelings of natural plants for a long time and excellent in reproducibility. CONSTITUTION:This is a preservative for a plant composed of a humectant to be absorbed into a plant and effective for keeping water in it, preferably in a combination of polyethylene glycol with glycerin, tetraethylene glycol or 1,3-butylene glycol in an amount of 20-30vol.% and an accelerator for absorbing the preservative by a plant in an amount of 0.1-5vol.%, preferably 0.5-3vol.% and applicable in a form of an aqueous solution. The accelerator can be selected from butyl acetate, 2-heptanone, ethyl 3-ethoxypropionate, propylene glycol monomethyl ether acetate, ethyl pyruvate, cyclohexanone, cyclohexylamine, N,N-dimethylformamide, diethylene glycol monomethyl ether, dimethyl sulfoxide, dioxane, etc.
Patent JP-S5422330-A (JP)
Title: Preparation of quinones
Inventor: TERAO SHINJI
IPC: C07C39/19
Filed: 1977-07-20
Abstract: PURPOSE: To prepare biologically active quinones in short steps and in high yield by reacting hydroquinone derivatives with prenyl derivatives, followed by stereochemical reaction with a compound having desired length of isoprene units. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5212417-A (JP)
Title: Transformer
Inventor: AKAMATSU MASAHIKO
IPC: H01F38/40
Filed: 1975-07-17
Abstract: PURPOSE: Elimination of dip (when output current disappears) and ripple from secondary output current. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H08259726-A (JP)
Title: Melter for waste foamed styrene resin
Inventor: KAMEGAWA MASAYASU
IPC: B29K105/26
Filed: 1995-03-22
Abstract: PURPOSE: To provide a melter for a waste foamed styrene resin, wherein the emission of an unpleasant odor of the solvent, the ignition and fire catching of the solvent and the mixing with air are prevented, and the reduction in the size of apparatus and the smooth processing are possible by using a liquid solvent having a specific gravity higher than that of a waste foamed styrene resin and a barrier fluid having a specific gravity higher than that of the solvent. CONSTITUTION: A waste foamed styrene resin is crushed into pieces 18, the pieces 18 are introduced into a hopper 16 and fall on the top end of an inclined cylinder 20 and conveyed through water 46 being a barrier fluid by means of a screw conveyor 24, while air adhering to the pieces 18 and being conveyed separates from the pieces 18, ascends through the layer of water 46 and is released. The pieces 18 ascend through the water 46 from an inlet 27 by buoyancy and enter a melting tank 12, where they are immersed and dissolved in a liquid solvent. The liquid solvent 48 is uniformly heated through the heated water 46 and keeps the temperature high enough to provide a high degree of dissolution, while it is kept from ignition. A exhaust gas discharge apparatus 40 is used to discharge gases from the dissolution tank 12 and a holding tank 32.
Patent JP-H04300045-A (JP)
Title: Manufacture of lost foam female screw pattern for casting
Inventor: AGEISHI RIYUUICHI
IPC: B29K105/04
Filed: 1991-03-27
Abstract: PURPOSE:To form a high accurate female screw continued from one end part to the other end part on inner peripheral face of a pattern, to miniaturize a device and to reduce the manufacturing cost. CONSTITUTION:One piece of a core 5 forming a male screw 5a on the outer peripheral face is inserted through and set in a metallic mold 4. By this method, a cavity is formed between the inner face in the metallic mold 4 and outer face in the core 5. Successively, foam plastic P is poured into the cavity C. The inside of the metallic mold 4 is steam heated. Then, in the whole zone in the cavity C, the foam plastic P is bulged and filled up. Successively, after solidifying the foam plastic P by water cooling the metallic mold 4, a switch for a driving motor 10 is turned on to rotate the core 5. Then, the core 5 is shifted together with the driving motor 10 to left direction and pulled out from left end part of the metallic mold 4 with screw action between the foam plastic P and screw hole 61 and energizing force of an energizing device H.
Patent JP-H11287305-A (JP)
Title: Feed screw device
Inventor: SEKINO TATSUO
IPC: F16H25/22
Filed: 1998-03-31
Abstract: PROBLEM TO BE SOLVED: To automatically lubricate oil to a rotating ball nut. SOLUTION: In a feed screw device, a ball nut 5 is fixed to a rotary member 4 which is supported to a base 1 through a bearing 3, while an unrotatable ball screw shaft 7 is reciprocated by the rotation of the ball nut 5. The rotary member 4 is connected to the ball nut 5 by means of their flanges 4a, 5a. A lubricating port 17 is formed on the base 1. Lubricating oil supplied from the lubricating port 17 is fed to the ball screw shaft 7 from lubricating, ports 18, 18, 20 formed on the flanges 4a, 5a.
Patent JP-H06286323-A (JP)
Title: Thermal recording material
Inventor: MORONUKI KATSUMI
IPC: B41M5/323
Filed: 1992-03-12
Abstract: PURPOSE:To provide a thermal recording material obtaining a sharp developed color image having an absorption region in a near infrared part and excellent in the storage stability of a background. CONSTITUTION:The thermal color forming layer formed on a substrate is constituted so as to contain ferric stearate, ferric behenate or a mixture of them characterized by that a ratio (H/W) of the height (B) of a main peak present within a range of an angle (2theta) of diffraction of 21.8+ or -0.5 deg. in the X-ray diffraction analysis curve of a Cu-Kalpha line and peak half value width (W) is 10 or more and having a main heat absorption peak in a differential thermal analysis curve at 100 deg.C or higher and a chelating reagent.
Patent JP-S5423307-A (JP)
Title: Data communication circuit of double-current loop
Inventor: SUMI AKIRA
IPC: H04B10/524
Filed: 1977-07-22
Abstract: PURPOSE:To simplify a device with lines insulated mutually by using photo couplers.
Patent JP-H08288922-A (JP)
Title: Data multiplexer circuit
Inventor: IMAI KUNIHIRO
IPC: H04J3/06
Filed: 1995-04-13
Abstract: PURPOSE: To provide the data multiplexer in which useless operation is reduced to reduce the power consumption. CONSTITUTION: The circuit is provided with a signal comparator circuit 4 discriminating whether or not values of data signals of an optional number are all the same and with a clock selection circuit 5 that selects a 1st clock when the values of the data signals of an optional number are all not the same and that selects a 2nd clock when the values of the data signals of an optional number are all the same. When the values of the data signals of an optional number are all the same, a selector control signal generating circuit 2 stops count by an output signal of the signal comparator circuit 4, a selector circuit 1 samples and outputs one data signal among the data signals of an optional number and a signal shape circuit 3 provides an output of an output signal from the selector circuit synchronously with the 2nd clock sent from a clock selection circuit 5.
Patent JP-H04320729-A (JP)
Title: Cold and hot water feeder
Inventor: KUBOTA HIDEJI
IPC: F24D17/00
Filed: 1991-04-19
Abstract: PURPOSE:To provide a cold and hot water feeder capable of obtaining required hot or cold water only by manipulating a switch on an input unit provided at hand. CONSTITUTION:A cold and hot water feed pipeline system is constituted of a hot water storage type hot water feed device 1, a water purifying device 7, valves consisting of an electrically powered mixing part 12, a change-over part 15 and an on-off part 13, and a faucet 17. The faucet 17 and an input unit 18 alone are provided above a sink, and according to command from the input unit 18, a control unit 19 controls the cold and hot water feed pipeline system. When a desired button on the input unit 18 is pushed, the cold and hot water feed pipeline system is automatically controlled by the control unit 19, and required hot or cold water is obtained from the faucet 17. According to this arrangement, utility is enhanced because required hot or cold water is obtained only by manipulating a switch on the input unit. Further, since the faucet and the input unit alone are provided above the sink, a cold and hot water feed device excellent in design can be obtained.
Patent JP-H0749303-A (JP)
Title: Particle sensor and particle detecting method
Inventor: PIITAA JII BOODEN
IPC: G01N15/14
Filed: 1994-04-01
Abstract: PURPOSE: To provide a pseudo bright field sensor in which shot noise is reduced by splitting a laser beam into orthogonal polarized components, and detecting the phase shift between the split beam components that is caused by particles. CONSTITUTION: A laser beam 161 is split by a Wollaston prism 103a into beams 161a, 161b, which are combined by a Wollaston prism 103b to form a beam 161c. If the beam 161a or 161b encounters particles when passing through a space 150, its intensity decreases, resulting in a change in the polarized state of the beam 161c. Therefore, the beam 161c incident on a polarizing beam splitter cube 105 is split, and its separated components are projected to a photocell 107a, producing a photocurrent in the cell 107a and showing the presence of particles. Since the cell 107a receives an incident beam from the beam 161c only when either of the beams 161a, 161b encounters the particles, shot noise is not generated in the cell 107a.
Patent JP-S5213249-A (JP)
Title: Outer frame for hoist
Inventor: ASAHI YOSHIHIRO
IPC: B66D3/26
Filed: 1975-07-21
Abstract: PURPOSE: In shaping a protection plate of a drum, a weld section is reduced by integrating a part or the whole of a suspension plate at the upper end surface of an outer frame with a suspension plate section in the upper and lower directions to enhance mechanical reliability and minimize a number of steps of work. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S63257471-A (JP)
Title: Control method for semiconductor power converter
Inventor: KINOSHITA SHIGENORI
IPC: H02M7/12
Filed: 1987-04-10
Abstract: PURPOSE:To improve the malfunction of an apparatus by causing a semiconductor switching device to perform the same operation as that of a separately excited power converter without making a self-extinguishment at the time of power conversion operation and to perform a self-extinguishment at the time of reverse power conversion. CONSTITUTION:In a semiconductor power converter, a single-phase bridge circuit 3 composed of GTO thyristors 4-7 is connected with an AC power 1 and a smoothing reactor 12 and a DC load motor 13 are connected with the DC side of said circuit 3. Further, snubber circuits 8-11 are juxtaposed with respective GTO thyristors 4-7, while a commutation energy absorbing circuit 14 is arranged to the AC power 1. Then, said GTO thyristors 4-7 are firing-controlled beforehand by a firing angle of delay alpha so that the commutation is completed and a commutation margin time is made zero at the time of reversing of an AC supply voltage. If the commutation has not been performed at the time of reversing of said voltage, a negative signal is given forcibly to the gate of the GTO thyristor for extinguishment. Thus, said absorbing circuit 14 can be miniaturized.
Patent JP-H01260116-A (JP)
Title: Pile driver
Inventor: ENDO TOSHIKATSU
IPC: E02D5/46
Filed: 1988-04-11
Abstract: PURPOSE:To easily excavate a pile pit by a method in which a rod of the same length as an excavated pit is connected to an earth auger and compressed air and cement milk are supplied to the rod and an excavating head to mix the soil of construction site with cement milk. CONSTITUTION:A pile driver consists principally of a base machine 13, a vertical leader 1 supported by the machine 13, an earth auger 12 vertically movable along the leader 1, a rod 3 to freely contact with or separate from the auger 12 in a thrusting manner, and a detachable excavating head 4 on the tip of the rod 3. The auger 12 consists of a motor 17 set inside, a part to be turned by the motor 17 through the rod 3, and a chuck to hold the rod 3. The rod 3 and the head 4 have a through hole and a supply port through which cement milk and compressed air are supplied. The needs for connecting screws additionally can thus be eliminated.
Patent JP-S62242627-A (JP)
Title: Sterile blood plasma exchanger
Inventor: RONARUDO KOTEICHIYUKE
IPC: A61K35/16
Filed: 1987-04-10
Abstract: 1. Claims for the Contracting States : BE, CH, DE, FR, GB, IT, LU, NL, SE Sterile plasma exchange medium containing the human serum proteins, albumin, the immunoglobulins IgG, IgA and IgM, the inhibitors antithrombin III, alpha 1-antitrypsin and alpha 2-macroglobulin and the complement factor C3, at a concentration of 75 g/l. 1. Claims for the Contracting States : AT, ES, GR Process for the preparation of a sterile plasma exchange medium containing the human serum proteins, albumin, the immunoglobulins, IgG, IgA, and IgM, the inhibitors, antithrombin III, alpha 1-antitrypsin, and alpha 2-macroglobulin, and the complement factor C3, characterised in that a solution of storage stable serum proteins obtained from blood plasma by sterilization and removal of fibrinogen, citrate ions and calcium ions, clotting factors II, VII, IX and X and other unstable proteins is adjusted to a protein concentration of 75 g/l.
Patent JP-S5523413-A (JP)
Title: Automatic null-balance device
Inventor: UEDA TOSHITSUGU
IPC: G01R17/06
Filed: 1978-07-20
Abstract: PURPOSE: To simplify the circuit constitution and also to prolong the lifetime of a pointer with its friction prevented by controlling the driving source of the pointer by using the output of a magnetostriction strain wire.  
     CONSTITUTION: In addition to pointer 2 driven by electric balancing motor BM and magnetostriction strain wire 30, this device is provided with position feedback method FL which obtains two kinds of time-width signals whose time widths vary differentially each other corresponding to the displacement position of pointer 2, standard power supplies ES differing in polarity, switches S 11 , S 12 , S 21 , and S 22  which are connected to respective power supplies ES and driven by a time-width signal from method FL, integrator INT applied with power ES via those respective switches, a method of supplying the input side of integrator INT with input signal IN intermitted by two kinds of time-width signals, and another method of supplying BM with the output of sample holding S.H of the output of INT. Then, the input of BM is made zero to stop pointer 2. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H04320513-A (JP)
Title: Instruction processor
Inventor: NIHEI TOMOYUKI
IPC: G06F3/02
Filed: 1991-04-19
Abstract: PURPOSE:To enable key input operation on a keyboard even when binary data is expected to be inputted from a specific input device. CONSTITUTION:When an input instruction to an external input device 38 is identified, the input of binary data from the external input device 38 and key input from the keyboard 37 are accepted to execute the input process of the binary data when the binary data is inputted first from the external input device 38 conversely, the input of the binary data from the external input device 38 is inhibited when the key operation on the keyboard 37 is performed first, thereby performing a process corresponding to an operation key.
Patent JP-H02267635-A (JP)
Title: System check point/restart processing system
Inventor: OTA KAZUFUMI
IPC: G06F11/20
Filed: 1989-04-07
Abstract: PURPOSE:To shift the control to a CPU that carried out a check point process by recovering the processing state of the CPU at the relevant time point based on the check point process state stored in an external storage. CONSTITUTION:In a check point process, a system check point/restart processing part 2a stores the process states of the CPU 3 and 4 in an external storage 6. Then the control is given to the CPUs in the check point process by reference to the process state stored in the storage 6 at start. Thus the process states of both CPU 3 and 4 are recovered at a check point. As a result, the control can be shifted to the CPU that carried out a check point process for a data processor consisting of plural CPUs even if an IPL is carried out through an optional CPU at restart. Furthermore the CPU constitution can be recovered at a check point.
Patent JP-H03286795-A (JP)
Title: Implement for preventing finger from being cut
Inventor: ITO HIDEO
IPC: A47J43/28
Filed: 1990-04-03
Abstract: PURPOSE:To prevent the finger from being cut even if a kitchen knife or a saw is used in any state by providing a holding part on the reverse side of the shield part. CONSTITUTION:As for a shield part 1, the upper part is curved, a projection of a waveform is provided on the lower part, and as for a holding part 2, it is formed like a small plate and in order to soften the contact with fingers, rubber, etc., can be wound around it. At the time of holding this implement, it is held by inserting and holding the holding part 2, for instance, with the forefinger and the middle finger.