baber/WOPTO huggingface dataset:
Patent JP-H02254635-A (JP)
Title: Pregroup crossing signal detector
Inventor: YASUKAWA KAORU
IPC: G11B7/085
Filed: 1989-03-28
Abstract: PURPOSE:To surely detect a pregroup crossing signal even when the reflectance of an optical recording medium varies and a light quantity to irradiate is widely fluctuated by comparing mean value detected with a mean value detecting means and the output signal of a photodetector element. CONSTITUTION:The detector is equipped with the mean value detecting means to detect the mean value of the output signal from a photodetector 9 and a comparing means to compare the detected mean value with the output signal from the photodetector 9. For the mean value detecting means, it is composed of, for example, sample holding circuits 16 and 17 to obtain the maximum value and minimum value, respectively, of the output from the photodetector 9 and a mean value arithmetic circuit 18 to obtain the mean value from the output signals. Thus, by always comparing the output signal from the photodetector 9 with the mean value, the pregroup crossing signal can be obtained, and even when the reflectance of the optical recording medium and the light quantity of a focused light to irradiate the optical recording medium are widely fluctuated, the pregroup crossing signal can be always correctly obtained.
Patent JP-S55166358-A (JP)
Title: Detector for modulated data signal
Inventor: HACHITSUKA YOUTAROU
IPC: H04M11/06
Filed: 1979-06-14
Abstract: PURPOSE:To secure the detection of the modulated data signal in a short time after the start of operation and regardless of the modulating system, by constituting the detector with the self-correlator, the zero crossing counter and the power calculator each. CONSTITUTION:The self-correlation value is calculated through self-correlator 5 in terms of the primary and the fixed higher orders and every unit block which is formed by dividing input signal S with every fixed section. And then correlation value range decider 6 decides whether the self-correlation value of each order exists within the determined specific region. At the same time, power calculator 7 is provided to calculate the power per unit block of signal S and then compare it with the standard value. Furthermore, the zero-cross number is calculated by zero crossing number counter 4 and with every block formed by dividing signal S into each fixed section, thus carrying out the decision within the specific range. When the good decision result of counter 4, the decision result of over the prescribed level of calculator 7 and the decision result within the region of decider 6 are obtained each, the unit blocks continue in the fixed number. Under such conditions, signal S is decided 9 as the modulated data.
Patent JP-H05280339-A (JP)
Title: Combustion control device of engine
IPC: F02B23/08
Filed: 1992-03-30
Abstract: PURPOSE:To improve combustion performance on a lean side by means of gas blowout effect, and increase the torque of a layer combustion engine, by increasing combustion pressure on a rich side. CONSTITUTION:The top surface of a piston 3 is formed in a step shape, and the height of the step in compressive direction of a combustion chamber space in an intake port 5 side is different from that in an exhaust port 7 side so as to form the layer of rich mixture in a range on a lower step, and also form the layer of lean mixture in a range on a higher step. As a result, the compressive rate on the rich side is increased in comparison with that on the lean side. In a rotary piston engine, a rotor recess is formed to have a step in an excentric shaft direction and also the step difference is provided in rotor rotating direction in some case. It is formed in such constitution that the rich side may be hardly cooled, in order to rise a combustion temperature.
Patent JP-H01245789-A (JP)
Title: Key telephone set
Inventor: SASAKI HIROMASA
IPC: H04Q3/58
Filed: 1988-03-28
Abstract: PURPOSE:To obtain an inexpensive set with simple constitution by providing a modulation and demodulation connected to an external interface section and a changeover switch switching the connection of a parallel/serial conversion section toward the modulation demodulation section and the interface section to the circuit section. CONSTITUTION:In the case of data communication through an external line, a changeover switch 8 of a charge management section 4 is switched to connect the parallel/serial conversion section 6 to the modulator-demodulator section 5. A data signal from an external line is sent from an external line interface section 2 to the modulator-demodulator section 5, where the signal is converted into a digital signal and the resulting signal is converted into a parallel data in a parallel/serial conversion section 6 and sent to a central control section 3. In the case of transmitting the data signal to the external line, the parallel data from the central control section 3 is converted into a serial data by the parallel/serial conversion section 6, modulated succeedingly by a modulator- demodulator section 5 and sent to the external line from the external line interface section 2.
Patent JP-H04284612-A (JP)
Title: Composite laminated component
Inventor: NAKANO ATSUSHI
IPC: H01F27/00
Filed: 1991-03-13
Abstract: PURPOSE:To restrain that a metal such as Cu, Zn or the like and a low-resistance oxide such as Cu2O, Zn2O or the like are precipitated locally at the bonding interface between a ceramic magnetic layer and a ceramic dielectric layer and to obtain a composite laminated component whose circuit resistance is high by a method wherein, after the bonding interface between the ceramic magnetic layer and the ceramic dielectric layer has been formed to be a recessed and protruding shape, the layers are fired. CONSTITUTION:A capacitor chip body 2 constituted by laminating ceramic dielectric layers 21 and internal electrode layers 25 and an inductor chip body 3 constituted by laminating ceramic magnetic layers 31 and internal conductors 35 are united; external electrodes 51 are formed on the surface. Thereby, an LC composite component 1 is formed. At this time, the surface closest to the side of the capacitor chip body 2 out of the ceramic magnetic layers 31 and/or the surface closest to the side of the inductor chip body 3 out of the ceramic dielectric layers 21 are formed so as to be recessed and protruding; after that, the component is fired. Thereby, it is possible to restrain that Cu or Cu oxide and Zn or a Zn oxide or the like are precipitated locally at their interface, and it is possible to prevent that a layer whose electric resistance is low is formed.
Patent JP-S548126-A (JP)
Title: Manufacture of one-side galvanized steel sheet
Inventor: KIRIHARA SHIGEKI
IPC: C23C2/00
Filed: 1977-06-21
Abstract: PURPOSE:To manufacture a one-side galvanized steel sheet, both the sides of which have superior properties, by grinding and removing the thin galvanized layer of a differentially galvanized steel sheet by means of grinding members, followed by spraying a pressurized fluid and hard grains.
Patent JP-S552634-A (JP)
Title: Extraction of deoxyribonucleic acid and protamine
Inventor: IWAI TOMIROU
IPC: C07H21/04
Filed: 1978-06-22
Abstract: PURPOSE: To prepare the title substance, with simple process without using expensive device and raw material, by treating an unground milt of fish directly with a concentrated solution of an inorganic salt.  
     CONSTITUTION: Nucleoprotamine is extracted from an unground milt of fish directly with a 1-2M aqueous solution of an inorganic salt such as alkali metal chloride, sulfate, nitrate, ammonium chloride, sulfate, etc., at pref. room tempW60°C. The extract is diluted with water, and a white precipitate of nucleoprotamine can be separated, from which the title substance is obtained.  
     EFFECT: Since the milt of fish is not ground, the difficult and low-efficiency operations such as centrifugal separation, filtration, etc., can be eliminated. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S61233912-A (JP)
Inventor: SHIMAZATO TOSHIAKI
IPC: H01B5/02
Filed: 1985-04-09
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-H04309025-A (JP)
Title: Burst optical reception circuit
Inventor: IWAOKA ATSUSHI
IPC: H04L12/44
Filed: 1991-04-08
Abstract: PURPOSE:To improve the transmission efficiency by decreasing a preamble length of a head of a burst signal of a burst optical reception circuit of a master set of the communication system implementing two-way time division multiplex transmission between the master set and plural slave sets in which point-multi- point connection is implemented through an optical fiber. CONSTITUTION:A light receiving element 11 converts an optical signal into a current signal, the current signal is converted into a voltage signal by a preamplifier 12 and the signal is inputted to an identification device 16 via a high pass filter comprising a capacitor 13 and a resistor 14, the identification device 16 gives a reference potential to a reference potential circuit 15 and a switch circuit 17 connecting in parallel with the resistor 14 is momentarily short-circuited at the end of signal reception from each slave set of an incoming frame and at the end of outgoing frame transmission by a command from a timing generating circuit 18 to reset a potential of an input signal of the identification device 16 at any time to a reference potential.
Patent JP-S51151215-A (JP)
Title: Process for manufacturing non-oriented silicon steel plate with low co re loss and high magnetic flux density
Inventor: IRIE TOSHIO
IPC: H01F1/16
Filed: 1975-06-21
Abstract: PURPOSE: A process for manufacturing a non-oriented silicon steel plate with low core loss and high magnetic flux density, which includes continuous finish annealing. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H03274720-A (JP)
Title: Formation of semiconductor device
Inventor: MATSUOKA TAKASHI
IPC: H01L21/266
Filed: 1990-03-23
Abstract: PURPOSE:To improve adhesion of a resist and to facilitate formation of a desired pattern on a semiconductor substrate surface with high accuracy and no problems by forming a damage layer on a surface of an insulating film. CONSTITUTION:An insulating film 2 is formed on a semiconductor substrate 1. A damage layer 3 is formed on a surface layer of the insulating film 2 through ion implantation. Then, a photoresist film 4 is applied to form a desired resist pattern 41. In the process, adhesion of the resist pattern 41 is improved by the damage layer 3 formed on a surface of the insulating film 2; therefore, problems such as floating and peeling of the resist pattern 41 do not occure. Lastly, the insulating film 2 is processed to acquire a desired pattern 5 using the resist pattern 41 as a mask.
Patent JP-H11273973-A (JP)
Title: Inductance element
Inventor: HONMA TORU
IPC: H01F27/28
Filed: 1998-03-24
Abstract: PROBLEM TO BE SOLVED: To provide an inductance element enabling the simplification and automation of a process for forming a shielded coil of wire and having shielding effect. SOLUTION: In an inductance element in which a coil is wound around a bobbin 3 having more than two spools divided by collars and a ferrite core 1 is placed, the bobbin 3 has a central hole into which the central leg of the core is inserted and the spools provided with outer holes 12 into which the outer legs of the core are inserted to the bobbin bottom, and a shielded coil 4 is constituted at the spools via the upper collar of the bobbin. As a result of this constitution the inductance element having shielding effect too via a sequence of winding process is realized.
Patent JP-S59201911-A (JP)
Title: Device making engine valve inoperative
Inventor: MORIYOSHI HIROSHI
IPC: F01L1/24
Filed: 1983-04-28
Abstract: PURPOSE:To simplify structure and to perform a valve switching motion through a single control force, by a method wherein the fulcrum member of a locker arm is formed so as to be changeable into a direct fulcrum state and floating state through an intermediate member by means of a cam member. CONSTITUTION:With a cam 20 in a cam member 19 moved, a fulcrum member 13, forcibly pressed through an intermediate member 17, is forcibly pressed against a locker arm 12, and this causes a locker arm 12 to be rockable around the fulcrum member 13, and thus, rotation of a cam shaft 9 causes operation of a suction valve 5b for high load. During low load operation, a cam 20 is rotated in an about 180 deg. arc through a shaft 21, the intermediate member 17, controlled by a second cam face 20b of the cam 20, is separated from he fulcrum member 13, and the fulcrum member 13 is forced into a floating state through the intermediate member 17. With this, the locker arm 12 and a fulcrum member 13 are floated according to rotation of the cam shaft 9 to bring a suction valve 5b into an inoperating state.
Patent JP-H08274009-A (JP)
Title: Forming method of resist pattern
Inventor: TANAKA HIDEHITO
IPC: G03F7/38
Filed: 1995-03-31
Abstract: PURPOSE: To enable a resist pattern in acceptable rectangular shape to be formed for manufacturing a device requiring a fine pattern with high precision. CONSTITUTION: The surface of a wafer 1 with a patterned layer formed thereof in coated with a photo resist 2b. Next, the photo resist 2b is exposed using a pattern in a specific shape. Next, the specific amount of the whole surface of the photo resists 2a, 2b is etched away using O2 plasma 8. Next, the whole surface of the photo resists 2a, 2b is irradiated with ultraviolet rays 6 in a specific wavelength and after the production of polymer 4 of sensing agent contained in the not yet exposed photo resist 2b and the photo resist 2a not sufficiently exposed due to creeping-in light and resin, resist patterns are formed by development using alkalic solution.
Patent JP-H01247777-A (JP)
Title: Superconducting hydraulic pump
Inventor: TSUCHIMOTO KATSUYA
IPC: F04B43/04
Filed: 1988-03-29
Abstract: PURPOSE:To prevent fluid from being adversely influenced by a driving mechanism by a method wherein while a diaphragm with a superconducting material fixed inside its housing is provided, a driving mechanism consisting of a plurality of electromagnets or the like which force the superconducting material is provided outside the housing. CONSTITUTION:The inside of a housing 10 is divided into a plurality of spaces 11, 12 by a diaphragm 20 while a superconducting material 30 is fixed on one side of the diaphragm 20. A flow-in and a flow-out ports 13, 14 are provided in one space 11, and at the same time each of ports 13, 14 is provided with a flow-in and a flow-out check valves 15, 16, respectively. On both sides outside the housing 10, electromagnets 40, 41 are provided, which are connected to a control circuit 50, respectively. If power is supplied to one of the electromagnets, for example 40, the superconducting material 30 is forced in the direction of B, causing the volume of one space 11 to be increased so that fluid enters the space 11 from the flow-in port 13.
Patent JP-H11270488-A (JP)
Title: Automatic water supply system
Inventor: TAMAGAWA MITSURU
IPC: F04B49/06
Filed: 1998-03-24
Abstract: PROBLEM TO BE SOLVED: To prevent the erroneous operation of a pump by judging the abnormality of a flow rate detecting means or a pressure detecting means when a flow rate of more than a predetermined flow rate is detected and the output frequency of a variable speed operating means is detected to be the lowest frequency in a condition that the pump discharge pressure is controlled to be constant. SOLUTION: A flow rate discharged from a pump 15 is detected by a flow rate sensor 17 during the target pressure constant operation where the operating frequency of an inverter 16b is controlled so that the discharge pressure by a pressure sensor 20 mounted in a water supply pipe 18 agrees with the target pressure, to judge whether the detected flow rate is more than a predetermined flow rate or not. When the result of the judgement is YES, the output frequency of the operating current output from the inverter 16b to a motor 15m is detected by an output frequency detecting part 16c. When the result of the judgement is YES, it is judged that the flow rate sensor 17 or a pressure sensor is abnormal, and the operation of the pump 15 is focibly stopped.
Patent JP-S61234833-A (JP)
Inventor: HIROTA HIROMI
IPC: A47L15/42
Filed: 1985-04-10
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-H06291267-A (JP)
Title: Semiconductor integrated circuit
Inventor: OHARA YOSHIHIDE
IPC: H01L29/78
Filed: 1993-04-01
Abstract: PURPOSE:To provide a method of controlling a response time, a current amount, and the like of an internal circuit constituted by MOS transistors and raise the degree of freedom of a design in a semiconductor integrated circuit formed by MOS transistors. CONSTITUTION:This embodiment comprises a 4-step inverter formed with P channel MOS transistors 1 to 4 and N channel MOS transistors 5 to 8 and is constituted as a delay circuit in response to an input signal 101 and an output signal 102. Here, substrate electric potentials of the P channel MOS transistors 1 to 4 and N channel MOS transistors 5 to 8 are controlled and set at an optional electric potential, respectively, whereby a response time, a current amount, and the like of these P channel MOS transistors and N channel MOS transistors can be controlled and regulated and also the degree of freedom of a circuit design is enhanced.
Patent JP-S57193951-A (JP)
Title: Rotary electric machine
Inventor: SEKINE YOUSUKE
IPC: H02K9/06
Filed: 1981-05-19
Abstract: PURPOSE: To reduce noise generated at a motor, by installing a fan to a rotor shaft through a bearing and providing a pair of magnets having desirable magnetic force at the rotor and fan, and a rotating dics of non-ferrous metal between both.  
     CONSTITUTION: A bearing 14 is provided at a rotor shaft 7. A fan 15 is installed rotatably at the shaft 7 through the bearing 14. A magnet 16 is installed to the fan 15 approximately on the horizontal plane to the shaft 7. Plural pairs of magnets 16 are arranged as a pair of N-pole and S-pole. A copper rotating disc 17 is installed at a rotor spider 9 within the magnet 16. When the rotating disc 17 moves to an arrow direction, the rotating disc traverses magnetic lines 19 of the magnet, electricity is induced on the rotating disc 17. Consequently, eddy current flows, and the current and magnet produce electromagnetic force. The fan 15 rotates with the magnet 16. This reduces noise generated at a motor. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H04258080-A (JP)
Title: Diagnostic method and prevention method for picture recorder and system for the method
Inventor: ISHIGURO JUNJI
IPC: H04N1/00
Filed: 1991-02-12
Abstract: PURPOSE:To attain the diagnosis of a function component giving direct effect onto recording picture quality, to improve the diagnostic performance with higher reliability and to prevent a picture recorder. CONSTITUTION:Diagnosis chart information is fed to a picture output means 2, from which a picture based on the diagnostic chart information is outputted to a recording sheet 4, and after the recording sheet 4 on which the diagnostic chart picture is recorded is carried to a picture input means 1, the information of the diagnostic chart picture entered again by the picture entry means 1 is compared with the supplied diagnostic chart information and a fault relating to diagnostic items of each part of the picture recorder is diagnosed based on the comparison result and furthermore, a fault avoidance is executed as to the relevant items of the picture recorder based on the result of diagnosis.
Patent JP-S60219326-A (JP)
Title: Method of building slope fence
Inventor: YAMAMOTO KIYOSHI
IPC: E02D17/20
Filed: 1984-04-16
Abstract: PURPOSE:To easily build a slope fence, by a method wherein, after longitudinal beams are vertically located to a foundation on a slope, beltlike plate bodies are transversely installed between the longitudinal beams, and the opposite ends of the beltlike plate body are secured to a coupling metal, consisting of two coupling pieces protruded from the side edge of the longitudinal beam. CONSTITUTION:After plural vertical beams A, made of a steel pipe, are vertically located at given intervals on a foundation 8 on a face of slope C, plural beltlike plate bodies B are laterally located at given intervals between the vertical beams A. The opposite ends of the beltlike plate body B are secured to a coupling metal 1, consisting of 2 coupling pieces protruded from the side edge of the vertical beams A, to build a fence slope. This extremely simplifies installation of the vertical beams A and the beltlike plate bodies, and provides adaptability. Since the respective members are light weight, installation efficiency is improved, and since the beltlike plate body is straight, variation of the length of the beltlike plate body can be facilitated.
Patent JP-S60219826-A (JP)
Title: Multiplex communication equipment
Inventor: TAKANISHI ATSUO
IPC: H04J3/00
Filed: 1984-04-16
Abstract: PURPOSE:To immunize from noise with inexpensive equipment by generating a pulse with different length in response to the state of an informaton signal and transmitting information as a pulse train of pulses with different lengths. CONSTITUTION:A multiplex ommunication equipment is provided with information pulse generators IP1-IPn to which an information signal from n-set of information sources is inputted, after the information signal is stored once by latches R1-Rn, the result is inputted to the information pulse generators IP1- IPn. The information pulse generators IP1-IPn output an information pulse having a length in response to the state of the signal inputted to an input terminal (in). The information pulse generators IP1-IPn are connected in series sequentially while being connected through a partition pulse generator PP, and the information pulse generators IP1, IPn are connected via start pulse generator BP thereby constituting a closed loop. An output at an output terminal of the information pulse generators IP1 IPn, an output terminal of the start pulse generator BP and an output terminal of the partition pulse generator PP is led out via an OR gate G.
Patent JP-S62234069-A (JP)
Title: 2-pyrazoline-5-one or such and production thereof
Inventor: BABA MASANORI
IPC: C07D401/06
Filed: 1986-04-02
Abstract: NEW MATERIAL:A compound shown by formula I [R<1> and R<2> are H, (substituted)alkyl, alkenyl, lower alkoxycarbonyl, formyl, (substituted) phenyl, (substitued)naphthyl, (substituted)aralkyl, (substituted)heterocyclic group or R<1> and R<2> are bonded to form ring; R<3> is H, lower alkyl or lower alkoxycarbonyl; R<4> is H or lower alkyl]. EXAMPLE:1-Ethyl-2-pyrazolin-5-one. USE:A drug and an agricultural chemical. An intermediate especially for an active ingredient compound for a herbicide for paddy fields. PREPARATION:A hydrazine derivative shown by formula III [X is lower alkoxycarbonyl or -NR<5>R<6> (R<5> and R<6> are H, lower alkyl, lower alkenyl or R<5> and R<6> are bonded to form ring)] is condensed with a compound shown by formula IV to give a novel hydrazone derivative shown by formula II, which is subjected to ring closure in the presence of a base optionally by the use of a solvent at 50-150 deg.C for 1-30hr to give a compound shown by formula I.