baber/WOPTO huggingface dataset:
Patent JP-H08204633-A (JP)
Title: Optical receiver
Inventor: USUDA TAKESHI
IPC: H04B10/58
Filed: 1995-01-31
Abstract: PURPOSE: To easily realize the improvement of a bit error probability by improving the quantization noise characteristic in a coherent optical communication system. CONSTITUTION: The receiver 30 receiving an optical signal sent from a transmitter 10 is made up of a converter 32 comprising a nonlinear optical medium providing a prescribed optical conversion, and a homodyne detector 34 applying phase detection to the converted signal. The nonlinear optical medium includes at least one interaction process represented by products of three a<+> or (a) or over when the interaction with an optical signal is represented by the Hamiltonian form, where a<+> is a creation operator and (a) is an annihilation operator for an optical signal field.
Patent JP-H02197578-A (JP)
Title: Production of metallic oxide thin film
Inventor: KOINUMA HIDEOMI
IPC: C23C18/14
Filed: 1989-01-24
Abstract: PURPOSE:To stably form a metallic oxide thin film on a base plate by utilizing a metallic organic compd. as a raw material and performing glow discharge by high-frequency plasma or microwave plasma at low temp. in the high oxygen partial pressure atmosphere. CONSTITUTION:A high-frequency oscillator 1 is connected between an electrode base material 2 equipped with many electrodes 3 which have sharp tips and are acicular and made of W plated with gold and an electrode 4 made of stainless steel in a high-frequency plasma generator. A base plate 8 to be treated is placed on the electrode 4 via an insulator 7 and a gaseous mixture high in oxygen partial pressure of Ar and O2 is introduced through a gas introducing port 6 of the device. Further beta-diketone compd. of various metals or gaseous metallic organic compd. contg. metal such as Bi is supplied on the surface of the base plate 8 through a gas introducing port 5. High-frequency glow discharge is generated between both electrodes 3, 4 and the thin film of oxide of metal contained in the gaseous raw material is stably formed on the surface of the base plate 8 at low temp.
Patent JP-H04255073-A (JP)
Title: Ews for designing lsi
Inventor: SAKATA TAKESHI
IPC: G06F17/50
Filed: 1991-02-06
Abstract: PURPOSE:To make it unnecessary to set up texts by a manual and to improve a convergence property by executing arrangement, wiring and manual correction in a layout design, inputting the correspondence of external terminals to circuit diagram data and then executing layout verification and mask data formation. CONSTITUTION:An arranging/wiring tool 8 executes arrangement/wiring based upon circuit diagram information stored in a circuit diagram editer 7. A layout editor 9 edits layout data and an electron beam output conversion tool 10 converts the edited data. A layout verification tool 12 verifys the layout based upon the outputs of the editor 7, the tool 8 and the editor 9. Namely the layout design is executed in the order of arrangement, wiring, correction, external terminal correspondence, verification, and decision. Consequently angle attributes can be added to the external terminal symbols of the circuit diagram data and the pad cells of the layout data.
Patent JP-S61174292-A (JP)
Title: Pouring grout into ground by use of ph buffering agent
Inventor: SHIMODA KAZUO
IPC: C09K103/00
Filed: 1985-01-29
Abstract: PURPOSE:To pour a grout into ground with higher operating efficiency and ease of gelling time control, by adding a pH buffering agent to a strongly acidic silica sol soln. to cause gelation in a neutral to an acidic state. CONSTITUTION:A pH buffering agent, alone or together with an alkali, is added to a grout consisting mainly of a strongly acidic silica sol soln. obtained by treating water glass with an acidic liquid so that poured grout may be gelled in a neutral to an acidic state. The buffering agent is prepared by combining two or more compds. having buffering action. For selection of the agent, concentration, temperature, etc., of the strongloy acidic silica sol soln. are taken into consideration to obtain a pH which produces desired gelling time. Preferred pH of grout after addition of buffering agent is about 3-7. Preferred buffering agents are, e.g., acetic acid/sodium acetate and succinic acid/borax. Preferred alkali includes strongly alkaline water glass, sodium bicarbonate, etc.
Patent JP-H02197353-A (JP)
Title: Method for cooling continuous casting machine
Inventor: SHIMOGASA TOMOHARU
IPC: B22D11/124
Filed: 1989-01-23
Abstract: PURPOSE:To execute slow cooling under stable condition and to enble cooling of a mold and attached equipment with a single cooling system by supplying cooling water into piping for cooling the equipment after passing the cooling water having the specific pressure at the outlet side through the cooling piping built in the mold for continuous casting. CONSTITUTION:The cooling water having >=3atm the pressure at outlet side is passed through the cooling piping built in the mold for continuous casting. By this reason, while restraining nuclear boiling of the cooling water, the casting is executed under stable condition. Further, by using the cooling water after using for the cooling to the mold for continuous casting to the cooling for the equipment as well (the piping shown in heavy line), the pumps and the pipings shown with the broken line can be omitted and the cooling of the mold for continuous casting and the attached equipment can be executed with a single cooling system.
Patent JP-H11205827-A (JP)
Title: Impedance synthesis circuit and impedance synthesis circuit model
Inventor: SHIMURA TOSHIYA
IPC: H03H7/06
Filed: 1998-01-12
Abstract: PROBLEM TO BE SOLVED: To finely adjust the coefficient of the transmission function of a digital filter by connecting a digital filter and a feedback circuit the coefficient of a transmission function of which can be varied in parallel to the digital filter to the output part of an amplifier circuit and the input part of a conductance conversion circuit. SOLUTION: A feedback circuit 33 the transmission function of which is Ha is connected between the output part of a differential amplifier circuit 28 and a conductance conversion circuit 32. The transmission function for adjusting the impedance of a digital signal processing circuit 2 can be finely adjusted by changing, not only the coefficient of the transmission function Hd of a digital filter 30 but also the coefficient of the transmission function Ha of the feedback circuit 33. For instance the element of an analog circuit 20 is set fixed, the coefficient of the transmission function Ha of the feedback circuit 33 is roughly decided, and after that the coefficient of the transmission function Hd of the digital filter 30 is changed so as to finely adjust it.
Patent JP-H08212461-A (JP)
Title: Article sale registration data processing system
Inventor: SHIMOYAMA HIROMOCHI
IPC: G06Q30/06
Filed: 1995-01-31
Abstract: PURPOSE: To use a portable recording medium which is repeatedly usable as a means which transmits data regarding an article that is weighed and sold by an article weighing and vending device to a cash registration device. CONSTITUTION: The article weighing and vending device 1 is equipped with a data writing means 13 which writes data on a price calculated from an article sale quantity on the portable recording medium 3, and the cash registration device 2 is equipped with a data reading means 23 which reads the price data out of the portable recording medium 3 and an amount adding means which adds the price data read by the reading means to the amount data in an amount totalization part.
Patent JP-S61172546-A (JP)
Inventor: INOUE TAKESHI
IPC: A61B8/00
Filed: 1985-01-29
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-H08206436-A (JP)
Title: Air cleaner
Inventor: HASHIMOTO NOBUYUKI
IPC: B01D53/18
Filed: 1995-01-31
Abstract: PURPOSE: To obtain an air cleaner which purifies air in a wide area at a low cost by spraying water on a porous body and passing air sucked externally through the pores of the porous body. CONSTITUTION: The air cleaner is mounted on a horizontal plate 32 with holes, with an L-shaped air intake duct 10 arranged in a cylindrical exhaust duct 11. An air cleaning part 17 is placed on the vertical part of the duct 10. In this part 17, suction force from the inside to the outside is generated by the rotation of a sirocco fan 18. Water is sprayed by a rotating watering plate so that a mesh part 19 is covered by a water film. At the same time, air is sucked and, after passing through the space between impellers and the pares of the mesh part 19, discharged outside the sirocco fan 18. In this way, dust, odors, etc., contained in air is absorbed by water to clean the air.
Patent JP-H05201123-A (JP)
Title: Pressure-sensitive copying coloring paper
Inventor: KIMURA TOSHIO
IPC: B41M5/155
Filed: 1992-01-30
Abstract: PURPOSE:To provide a pressure-sensitive copying coloring paper which does not deteriorate in coloring power and moreover is excellent in printability even if it is placed in the environment of high temperature, high humidity, irradiation of light or plasticizer. CONSTITUTION:In a pressure-sensitive copying coloring paper provided with a coloring agent layer containing aromatic carboxylic acid and its polyvalent metal salt on a substrate, alkali salt of acrylic copolymer, of which contact angle after 60 seconds measured by the use of alkyl naphthalene as dropping liquid in conformity to Tappi T 458 om-84 is 20 degrees or more, is contained in the coloration agent layer.
Patent JP-H08212120-A (JP)
Title: File name managing system
Inventor: OKUBO HIROSHI
IPC: G06F12/00
Filed: 1995-02-01
Abstract: PURPOSE: To obtain a file name managing system with which a file name can be registered without practically limiting the length or this registered file name can be converted to a real file name even when the length of the file name is limited. CONSTITUTION: A file name inputted from a file name input/output means 12 is inputted while being partitioned within the number of words of the file name to be registered on a filing system 14. A file name/substitutional file name converting means 13 converts respective partitioned file constituting names to words on the side of the filing system 14 in one-to-one correspondence or performs its reverse conversion. Therefore, even when the file name inputted from the file name input/output means 12 is long so much, that file name is registered on the filing system 14 within the prescribed number of words. Besides, the restoration of the original file name is enabled by the inverse conversion as well.
Patent JP-S57128915-A (JP)
Title: Vapor-phase epitaxial growth device
Inventor: FUKUDA NOBUO
IPC: C30B25/02
Filed: 1981-02-03
Abstract: PURPOSE:To prevent an outlet from adhering and creating defects caused by adhesion thereof, by providing a removable auxiliary heater at the outlet of a reaction tube. CONSTITUTION:A reaction tube is so constructed that a removable auxiliary heater 23 wrapped in a container of quartz glass is added to its outlet. For instance, ferrous chloride and yttrium chloride are set as raw materials in a raw material chamber 13 and a substrate holder 18 is set in a growth chamber 12 to grow an epitaxial film with the use of this reaction tube. The gas flow injected to the growth chamber on a certain condition to use N2 gas as carrier gas grows an epitaxial film on the substrate 19. Various kinds of adhesion are produced at low-temperature portions of the auxiliary heater because of unused raw material gas. There is no adhesion produced at the outlet of reaction tube.
Patent JP-H01192783-A (JP)
Title: Metallization of ceramic
Inventor: HAYASHIDA HIDENORI
IPC: C04B41/90
Filed: 1988-01-25
Abstract: PURPOSE:To form a metal coating film having excellent accuracy and strength, by applying specific powder to a metallized surface of a ceramic optionally coated with a metal thin film, coating the surface with a metal and diffusing the diffusible component of said powder. CONSTITUTION:(A) A metallized surface of a ceramic is optionally coated with (B) a thin of a metal (e.g., Cu), applied with (C) powder of a material diffusible into the component A and selected from active metal and its thermally decomposable compound (e.g., titanium hydride), coated with (D) a metal (e.g., Cu) and heat-treated to effect the diffusion of the diffusible component of the component B into the component A.
Patent JP-2000217353-A (JP)
Title: Synchronous rectifying converter
Inventor: ARAI KOJI
IPC: H02M3/28
Filed: 1999-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a synchronous rectifying converter which is less in loss and the efficiency of which does not change much even when the input voltage fluctuates. SOLUTION: A synchronous rectifying converter outputs a DC voltage by converting an input DC voltage into an AC voltage by means of a switching element 12, impressing the converted AC voltage upon the primary winding of a main transformer T, and then, rectifying and smoothing the voltage fetched from the secondary winding of the transformer T by means of an FET 12 for synchronous rectification, another FET 13 for commutation, an output chock coil L1, and a capacitor C1. The converter is provided with an inversion circuit 20 which inverts the signal impressed to the gate of the FET 12, and a connecting means which connects the signal inverted by means of the circuit 20 so that the signal may be impressed to the gate of the FET 13.
Patent JP-H02196484-A (JP)
Title: Method of issuing laser pulse command
Inventor: YAMAZAKI ETSUO
IPC: B23K26/00
Filed: 1989-01-25
Abstract: PURPOSE:To improve the efficiency of processing a workpiece and make uniform processing accuracy by keeping unchanged a relative crest value of a laser pulse when it is desired to output the larger laser pulse, by issuing command that a specific output is stationally obtained during a first command time and further issuing a predetermined instruction during a second command period. CONSTITUTION:In a method of issuing laser pulse command, low level-correcting command value evaluation means 6 enters thereinto a low level reference command value Vb2, trailing data 3, and off time tb4 to estimate and output a low level correction command value Vm based upon said parameters. Low level command value switching means 7 selects and outputs the low level correction command value Vm when a laser pulse is outputted, and it outputs the low level reference command value Vb2 once a waiting command is issued by a processing program or an operator. Command value output means 9 alternately switches a high level command value Vp1 and the output signal from the low level command value switching means 7 by a switching pulse from pulse generation means 8 to output it as an output command. A discharge current of a discharge tube of a laser oscillator is controlled by said output command to permit the laser oscillation to emit a laser pulse. Hereby, a relative crest value of the laser pulse is prevented from being reduced.
Patent JP-H01190914-A (JP)
Title: Inside-case cooling device for soundproof type engine working machine
Inventor: ITO RYOICHI
IPC: F02B77/13
Filed: 1988-01-25
Abstract: PURPOSE:To reduce the height of a whole engine body and reduce the dimension of an engine working machine by arranging the core surface of a radiator in parallel to a crankshaft and fixing a cooling fan onto a rotary shaft and forming a cooling air discharge passage on the side wall of a soundproof case and inside a ceiling wall. CONSTITUTION:The core surface 12 of a radiator 3 is arranged so as to be parallel to the crankshaft 6 of an engine 1. A cooling fan 19 is fixed onto a rotary shaft 7 projecting from the engine 1. A cooling air discharge port 14 is opened on the side wall 13 of a soundproof case 4. A cooling air discharge passage 12 is formed on the side wall 20 of the soundproof case 4 and the inside of a ceiling wall 21. The radiator back surface space of a radiator accommodating chamber 25 is allowed to communicate to the cooling air discharge passage 22. Therefore, the total height of the engine body is reduced, and the engine working machine is made small-sized, and the noise can be attenuated.
Patent JP-S5298843-A (JP)
Title: Cylindrical water turbine power plant
Inventor: UEDA TSUNEO
IPC: F03B13/10
Filed: 1976-02-16
Abstract: PURPOSE: To obtain a cylindrical water turbine power plant resulting no substantial troubles in securing service water to downstream use upon checking and repairement for a water turbine generator. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S57131031-A (JP)
Title: Pressure sensor
Inventor: NAKAZAWA TERUMI
IPC: G01L9/00
Filed: 1981-02-06
Abstract: PURPOSE:To obtain a terminal construction free from poor contact while simplifying the manufacture by welding a metal plate on a weld piece extending from a cylindrical terminal almost at the right angle to the axis thereof. CONSTITUTION:For example, a pressure detection circuit 14 comprising a semiconductor pressure gauge 12 and a control circuit 13 is housed in a housing 11 made of a synthetic resin. The control circuit 13 is composed of a circuit containing an electrode formed on a substrate. An Ni fine wire is connected to the electrode and the other end of the Ni fine wire 15 is welded on a metal plate 16 molded and supported in the housing 11. The metal plate 16 extended into a terminal housing 11A as a component member of the housing 11. The terminal housing 11A has a hole 17 in the bottom of which a cylindrical terminal 18 is buried.
Patent JP-H04243042-A (JP)
Title: Index data recording method and device for video signal
Inventor: NISHIKATA YUTAKA
IPC: G11B20/12
Filed: 1991-01-17
Abstract: PURPOSE:To shorten the recording time of index data on the video signals from a user with a VTR device of a segment recording system. CONSTITUTION:The segments of a magnetic tape which records the video signals are divided to segments where a user can rewrite the index data and the segments where the user cannot rewrite the index data. The rewriting of the index data from the user is executed only with the segments where the user can rewrite the index data. The traveling time of the magnetic tape for the purpose of once reading and preserving the index data which is not rewritten is shortened as compared with the system which mixedly records the index data rewritable by the user and the index data nonrewritable by the user.
Patent JP-H05218634-A (JP)
Title: Connecting method of circuit
Inventor: NAKAJIMA ATSUO
IPC: H01R43/02
Filed: 1992-01-31
Abstract: PURPOSE:To uniformly connect circuits to each other by a method wherein a specific cushion material is inserted between a heating metal mold and a circuit board and thermocompression-bonded. CONSTITUTION:A rubberlike cushion material 2 whose coefficient of thermal expansion is lower than the coefficient of thermal expansion of a circuit board 3 and whose thermal conductivity is higher than the thermal conductivity of the circuit board 3 is inserted between a heating metal mold 1 and the circuit board 3 and thermocompression-bonded. As the cushion material 2, a material in which a filler has been added to a silicone polymer and which has been molded to be sheetlike is preferable because its heat-resistant property and its thermal conductivity are excellent. As a result, the stretch of the circuit board 3 due to heating is suppressed, the temperature of the heating metal mold 1 can be set to be low, the deformation of the heating metal mold 1 is small, a cushion effect acts effectively on the whole of the circuit board 3 and the circuit board can be pressurized uniformly. Thereby, circuits can he connected to each other uniformly over the whole length of the circuits.
Patent JP-S52100008-A (JP)
Title: Evaporator
Inventor: FUJIWARA SHIGERU
IPC: F02P5/10
Filed: 1976-02-18
Abstract: PURPOSE: To control an opening of a negative pressure outlet and to improvenegative pressure detective accuracy by inserting an eccentric part at a negative pressure ou outlet near a full-closed throttle valve, being eccentric for an outlet axis and forme formed at the end of an adjust screw. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H09214463-A (JP)
Title: Ofdm transmitter and ofdm receiver
Inventor: SEKI TAKASHI
IPC: H04L27/00
Filed: 1996-01-31
Abstract: PROBLEM TO BE SOLVED: To detect timing synchronization by a common circuit at a receiver side from plural orthogonal frequency division multiplex OFDM signals with different band width. SOLUTION: In the case of sending OFDM signals (f1>f2>...>fn) of the plural systems with different band width while carrier intervals are equal to each other, when the transmission signal band widths are expressed to be f2-fn, a reference symbol generator 104 generates data equal to data at band widths f2...fn for frequency base data of a sine sweep signal at a band width f1. A multiplexer 105 multiplexes the data onto plural information symbols to generate an OFDM frame, OFDM modulation sections 106, 107 apply OFDM modulation to the frame and an orthogonal modulator 108 applies orthogonal modulation to the modulated frame, then a sin sweep signal in which part of the time base data of OFDM signals of the plural systems is in common is sent periodically.
Patent JP-S55109768-A (JP)
Title: Device for preventing radial shift of main shaft of hydraulic machinery and use thereof
Inventor: MORIGUCHI KAZUO
IPC: F03B11/00
Filed: 1979-02-16
Abstract: PURPOSE: To provide a device for use in hydraulic machineries such as a high-head pump impeller or the like, the device being adapted for maintaining the constant clearance between the shaft of the hydraulic machine and the bearing supporting the shaft and attached to an upper cover, thereby to provide a high efficiency of the machine.  
     CONSTITUTION: A plurality of recesses 13 are formed in a circumferential line in the inner-circumferential face of a ringed bearing 4, and a water supply passage 14 in the bearing 4 to introduce high pressure water to the recesses 13 from a water supply pipe 5. When such radial force works on a runner 2 as illustrated, a main shaft 1 subject to the force of the same direction tends to contact with the bearing 4. When the high pressure water 15 from the pipe 5 is sprayed over the shaft 1 from the recesses 13, the internal pressure of the recesses located where the clearance 16 between the shaft and bearing 4 has narrowed becomes high. Thereby, the shaft 1 is pushed back oppositely to the direction of the radial force F so that the clearance 16 is kept constant for ensuring efficient operation. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S55109193-A (JP)
Title: Stationary scherbius system controller
Inventor: YOSHIOKA TAKAYUKI
IPC: H02P27/05
Filed: 1979-02-16
Abstract: PURPOSE: To switch a Scherbius operation of a stationary Scherbius system to secondary circuit short-circuiting operation without large rush current by short-circuiting the secondary circuit of an induction motor when the current of a power converter becomes higher than predetermined value as compared with primary current.  
     CONSTITUTION: Since it is necessary to accelerate the speed of an induction motor 3 to the vicinity of its synchronous speed to convert the motor operating in Scherbius operation into secondary circuit short-circuiting operation, a contact 22 for switching speed command is closed, and a contact 21 thereof is opened. Thus, the motor 3 is accelerated to the maximum speed of its Scherbius operation by the operations of a speed control circuit 24 and an automatic current control circuit 28. A power rectifier 12 serves to rectify the current to flow a circulating current through a DC main circuit consisting of a power converter 12, a rectifier 8, a DC reactor 9 and a high speed breaker 10. If a secondary circuit short-circuiting contactor 7 is closed when the motor 3 is accelerated to the vicinity of its synchronous speed, large short-circuiting current will not flow therethrough. 
     COPYRIGHT: (C)1980,JPO&Japio