baber/WOPTO huggingface dataset:
Patent JP-H08146964-A (JP)
Title: Musical tone generating device
Inventor: HIROTA KENICHI
IPC: G10H1/02
Filed: 1994-11-22
Abstract: PURPOSE: To provide the musical tone generating device which can reduce the capacity of a RAM that should be prepared as a waveform memory and speedily gets ready to generate a musical tone by reducing the transfer amount of waveform data as to a musical tone generating device which transfers waveform data stored in a fixed storage device to a rewritable waveform memory and performs musical tone generation. CONSTITUTION: The musical tone generating device is equipped with the fixed storage device 14 stored with plural waveform data corresponding to plural timbres, a 1st read-only waveform memory 220 stored with waveform data corresponding to a specific timbre, a 2nd rewritable waveform memory 221 for storing the waveform data stored in the fixed storage device, a selecting means 11 which selects specific waveform data in the fixed storage device, a transfer means 10 which transfers the waveform data selected by the selecting means to the 2nd waveform memory, and musical tone generating means 20, 24, 25, and 26 which generate a musical tone on the basis of the waveform data transferred by the transfer means to the 2nd waveform memory or the waveform data stored in the 1st waveform memory.
Patent JP-S63167913-A (JP)
Title: Constant-current circuit
Inventor: NISHIKAWA KIYOAKI
IPC: G05F1/10
Filed: 1986-12-30
Abstract: PURPOSE:To always flow a constant-current to a load, even if a power supply voltage of the load is varied, by providing additionally a constant-current power source circuit depending on other constant-current power source, on a resistance circuit for outputting a reference voltage of a reference voltage circuit. CONSTITUTION:A load selecting circuit 52 is formed by the respective series circuits of a resistance 52A and a switch 52C, and a resistance 52B and a switch 52D, which are provided separately, respectively between each base of switching transistor Tr 51A, 51B of a load driving circuit 51, and an earth. A reference voltage circuit 3 is constituted of a series circuit of resistances 3A, 3B, and an operational amplifier 3C for inputting an output voltage of the resistance 3B of an earth side, as a reference voltage. On the resistance 3B of an earth side, a constant-current power source circuit 4 depending on other constant- voltage source VC is provided additionally. In such a way, the resistance 3B can always output a constant voltage to the load driving circuit 51 through the operational amplifier 3C, even if a variation of loads 50A, 50B occurs.
Patent JP-H055150-A (JP)
Title: Boron carbide-reactive metal cermet
Inventor: AREKUSANDAA JIEI PIJIKU
IPC: C22C1/05
Filed: 1991-11-01
Abstract: PURPOSE: To produce a boron carbide-aluminum cermet improved in toughness against crushing and hardness by making a mixed material of the boron carbide powder and aluminum metallic powder high density and heating it is a specific condition.  
     CONSTITUTION: The mixed material of the boron carbide powder and the aluminum metallic powder is made to high density at a temp. near the m.p. of aluminum to form the high density mixed material. This high density mixed material is heated in the temp. range of 450-1000°C for such sufficient time (about 1-50 hr) as to form an AlB 2  phase or an Al 4 BC phase, or an AlB 4  phase and Al 4 BC phase in the mixed material to produce the cermet having about 2-12 vol% metal ratio. By this method, the boron carbide-aluminum cermet improved in the toughness against crushing and hardness, is obtd. 
     COPYRIGHT: (C)1993,JPO
Patent JP-H08170282-A (JP)
Title: Steel cord for reinforcing rubber product and pneumatic tire
Inventor: SATO YOSHITAKA
IPC: B60C9/00
Filed: 1994-12-16
Abstract: PURPOSE: To provide a steel cord structure capable of avoiding the decline in corrosive fatigue resistance which is a problem developed when the carbon content of the steel filament of cord is increased in the steel cord constituting a carcass or belt of rubber product, particularly a pneumatic tire such as truck or bus tire. CONSTITUTION: In this steel cord composed of steel filaments of equal diameter and obtained by entwining a core made up of one or more steel filaments with at least one ply of sheath made up of plural steel filaments, the carbon content of each of the steel filaments of the core is made higher than that of each of the steel filaments of the outermost ply sheath.
Patent JP-H04185206-A (JP)
Title: Controller for electric vehicle driving motor
Inventor: KIJIMA KENJI
IPC: H02P5/74
Filed: 1990-11-19
Abstract: PURPOSE:To facilitate employment of small capacity semiconductor devices and, further, improve the adhesion coefficients of wheels easily by a method wherein individual power converting parts having inverter main circuits and common parts which output frequency commands are provided and a DC power is converted into variable voltage and variable frequency AC powers for respective motors. CONSTITUTION:If the remote switch of a current breaker 10 is closed, a DC power is supplied to individual power converting parts 20A-20D. The common parts 29 of the individual power converting parts 20A-20D calculate frequency commands for three-phase induction motors of respective vehicles. Switching devices of which respective inverter main circuits 27 are composed are controlled to be turned on and off by inverter control circuits 27a and AC powers are supplied to the three-phase induction motors 31A-31D to perform power running of an electric train. If the DC voltage is elevated by the regeneration of the power at the time of the regenerative operation of the electric train, the DC voltage is discharged through a diode of which a protective circuit is composed. In order to maintain cooperation with the common parts of the other individual power converting parts, the common parts 29 perform integrated control of the three-phase induction motors 31A-31D.
Patent JP-H10158009-A (JP)
Title: Ceramic dense film and its production
Inventor: KAMOTO DAIGORO
IPC: G02B1/113
Filed: 1996-11-25
Abstract: PROBLEM TO BE SOLVED: To efficiently densify a film and to form a high density ceramic thin film by a sol-gel process on a substrate having low heat resistance by changing part of energy required to densify a film from heat energy to light energy. SOLUTION: The top of a substrate having heat resistance at <=250 deg.C is coated with a sol and irradiated with light to form the objective ceramic dense thin film having >=1.90g/cm<3> density. The wavelength of the light is shorter than 300nm at which the formed film has absorption. The ceramic dense thin film is corroded at <=70Å/min rate by 0.1vol.% hydrofluoric acid. The ceramic is, e.g. SiO2 . When heat treatment is carried out during the irradiation with light, densification proceeds further, density increases and the dense thin film can be formed on an org. substrate.
Patent JP-H01154335-A (JP)
Title: Magneto-optical disk device
Inventor: YAMAGUCHI SEIICHI
IPC: G11B19/04
Filed: 1987-12-10
Abstract: PURPOSE:To surely perform erasing operations and improve the substituting processing speed by providing a substituting information managing area in addition to a control information area, test area, user area, substituting sector area, and substituting track area on a disk medium and managing substituting information. CONSTITUTION:The recording area of a disk medium is divided into 6 areas composed of a control information area testing area 1, user area 2, substituting information area 3, substituting sector area 4, substituting track area 5, and control information area testing area 6. Upon receiving an erase instruction, a microprocessor first erases the original sector of the user area 2. Then the microprocessor executes the reading of the substituting information in the substituting information area 3 and, if an error occurs in the reading, sets a warning status and informs a host system that the writing in the said user area is inhibited. When the reading of the area 3 is normally executed and a relevant sector exists, the microprocessor executes the erasing operation of the relevant sector in the substituting track area 5. After the execution of the erasing operation, the microprocessor writes updated substituting information in the area 3 and, if no unprocessed sector exists, the erasing process is completed.
Patent JP-H10163823-A (JP)
Title: Duty ratio correcting circuit
Inventor: TAKEMOTO MITSUO
IPC: H03K5/04
Filed: 1996-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a duty ratio correcting circuit which corrects the deviation of a duty ratio of a clock signal. SOLUTION: A duty ratio correcting circuit 10 is provided with a 1st CR integrating circuit 101 which consists of a resistance R1 that integrates a clock signal input CK1 and a capacitor C1, a 2nd CR integrating circuit 102 which consists of a resistance R2 and a capacitor C2 and a comparator 16 to whose inverted input terminal an output of the circuit 101 is connected, to whose non inverted input terminal and a resistance R3 an output of the circuit 102 is connected and to whose output terminal the resistance R3 is connected, and a time constant T1 of the circuit 101 is made smaller than a half circle of the input CK1 and also, a time constant T2 of the circuit 102 is made large enough to the cycle of the input CK1, and the comparison result of the comparator 16 is outputted as a duty ratio correcting clock signal CKO.
Patent JP-H07169263-A (JP)
Title: Manufacture of synchronous dram
Inventor: MOCHIZUKI HIROHIKO
IPC: F02B75/02
Filed: 1993-12-15
Abstract: PURPOSE:To improve the convenience of production control, etc., by separately manufacturing a low-speed operating product performing successive write operation and a high-speed operating product performing two cycle prefetch operation with a simple method in the manufacture of an SDRAM. CONSTITUTION:In the case of manufacturing the low-speed operating product performing the successive write operation, a bonding pad 13 is connected to a VCC power source terminal through a wire in a bonding process to obtain an H level as an operation mode signal N1H. In the case of manufacturing the high-speed operating product performing the two cycle prefetch operation, the bonding pad 13 is not connected to the VCC power source terminal to obtain an L level as the operation mode signal N1H.
Patent JP-2000119780-A (JP)
Title: Shape memory alloy combined material and shape memory alloy spring
Inventor: HINO KOICHI
IPC: C22C1/00
Filed: 1998-10-15
Abstract: PROBLEM TO BE SOLVED: To provide a shape memory alloy combined material producing shape memory effects at a plurality of temperatures and functioning by stages with the change in temperature and also to provide a shape memory alloy spring functioning using this shape memory alloy combined material. SOLUTION: The shape memory alloy combined material 1 is constituted by twisting together a plurality of shape memory alloy wires 2, 3 different from each other in phase transition temperature, particularly shape memory alloy wires composed essentially of Ni-Ti alloy having 49.0-52.0 atomic% Ni content. The shape memory ally spring is formed by using this shape memory alloy combined material 1.
Patent JP-H10145273-A (JP)
Title: Mobile communication controller
Inventor: NAKANO MASAYUKI
IPC: H04B7/10
Filed: 1996-11-12
Abstract: PROBLEM TO BE SOLVED: To selectively transmit a polarized wave as a signal wave that is sent from a base station to a mobile station, so that the mobile station can always acquire a satisfactory receiving state. SOLUTION: A signal wave that is sent from a mobile station is received by each polarized wave element 10a and 10b of an antenna 10 and supplied to each movable contact of a switching device 12 and each input terminal of a diversity control circuit 13. When a receiving signal that is outputted from a horizontal polarized wave element 10a is stronger than a receiving signal that is outputted from a vertical polarized wave element 10b, the circuit 13 supplies the receiving signal that is outputted from the element 10a to a receiver 15 and to the device 12, generates a switching signal S1a which makes a fixed contact connect to a movable contact on the side of a transmitting separator 11a. As a result, a signal that is sent from a transmitter 14 is transmitted from the element 10a via the separator 11a.
Patent JP-H08150573-A (JP)
Title: Bolt installation device for socket
Inventor: SAKAIDA MASAHARU
IPC: B25B23/04
Filed: 1994-11-25
Abstract: PURPOSE: To automatically install a bolt on a socket integrated with a tightening tool. CONSTITUTION: A bolt B is automatically installed on a socket 3 by providing chucks 21, 21 to correct the air force fed bolt B on a cylindrical body 1 and inching and rotating the socket 3 approaching an open end part of the cylindrical body 1. Consequently, it is possible to install the bolt B in simple structure.
Patent JP-H11129695-A (JP)
Title: Motor operated blackboard eraser
Inventor: FUKUI SHIN
IPC: B43L21/02
Filed: 1997-10-29
Abstract: PROBLEM TO BE SOLVED: To provide a motor-driven blackboard eraser having a structure for efficiently sucking to collect dust of a chalk powder by preventing scattering of the powder to its circumference. SOLUTION: A motor operated fan 8 is operated by an operation of a motor 7 to suck a chalk powder together with the air in a blackboard eraser body 1. An erasing surface side of the body 1 is provided with a porous elastic material 4 having open-cell pores. The erasing surface of an elastic material 4 has a surface protrusion and recess part. The material 4 is covered with a pile woven knitting fabric 2 having through holes 5 of a size for passing the powder. A bellows-like filter member 3 having ridges and troughs alternately existing is disposed between the material 4 and the fan 8. Pores 6 are opened at a predetermined interval on ridge lines disposed at the material 4 side of the member 3. In this case, it is preferable to dispose the two or more members 3 at an interval according to strong or weak suction force of the fan.  And, to prevent clogging of the pores 6, a cleaning brush may be provided.
Patent JP-S63163356-A (JP)
Title: Method for developing process of photosensitive lithographic printing plate
Inventor: OBA HISAO
IPC: G03F7/30
Filed: 1986-12-25
Abstract: PURPOSE:To permit processing of plural kinds of printing plates with a single automatic developing soln. by subjecting a supply section for supplying the developing soln. to a cleaning treatment with water or a cleaning liquid. CONSTITUTION:Two or more kinds of photosensitive lithographic printing plates (PS plates) P are conveyed in optional order in the same developing section of the automatic developing soln. The substantially unused developing soln. to be exclusively used corresponding to the kinds of the PS plates is supplied from a developing soln. supplying pipe 5 for each one sheet of the respective conveyed PS plates, by which the PS plates are subjected to the developing process. The pipe 5 is cleaned with the water or cleaning liquid in the case of changing over the developing soln. in this case. Automatic development of various kinds of the photosensitive materials with high quality in a manner as to extremely minimize the variance width of the quality is thereby permitted.
Patent JP-H11130423-A (JP)
Title: Production of aluminum borate whisker
Inventor: SHINTANI RYOCHI
IPC: C01B35/12
Filed: 1997-10-31
Abstract: PROBLEM TO BE SOLVED: To produce aluminum borate whiskers having both strength and wear characteristics and giving a close aggregate of the whickers themselves so as to improve seizing resistance particularly as a wear member. SOLUTION: Aluminum oxide powder or a powder convertible to aluminum oxide by heating, boron oxide powder or a powder convertible to boron oxide by heating and 10-40 wt.% (expressed in terms of Ti) Ti or Ti alloy powder are uniformly mixed as starting materials for aluminum borate whiskers and the resultant powdery mixture is heated.
Patent JP-H05153266-A (JP)
Title: Emergency call unit
Inventor: NAKAMURA SHIN
IPC: H04M11/00
Filed: 1991-11-28
Abstract: PURPOSE:To enable emergency call from an unspecified user on the side of the at-home of a home medical management system and to identify the user who originates emergency call on the side of the center of the system. CONSTITUTION:At the time of receiving wireless ID from a wireless transmitter 2, etc., by the wireless receiving part 24 of a home adapter 12, CPU 23 collates it with wireless ID registered in a nonvolatile memory 25 when a dip switch 28 is set in a normal mode. When they are coincident, an emergency call is reported to the center side and when they are not coincident, any call is not processed. On the other hand, in the case of a common mode, wireless ID is not collated and home adapter ID, call classification information and received wireless ID are transmitted to the center side. A center adapter 11 receives the emergency call and sends it to a host computer, which specifies the transmitting person by extracating home adapter ID, a call classification and wireless ID, etc., from the emergency call to execute necessary processing.
Patent JP-H09162815-A (JP)
Title: Method and device for reproducing status of monitor screen
Inventor: AKIYAMA YOSHIYUKI
IPC: H04B17/23
Filed: 1995-12-04
Abstract: PROBLEM TO BE SOLVED: To provide a method and device displaying monitor data produced at installation works for a communication line and a communication installation distinguished from other monitor data. SOLUTION: Monitor data 101 for a communication line or a communication installation are received and status change data 102 of the monitor data 101 are generated and the data 102 are displayed as a monitor image. The status change data of the monitor data 101 are stored in a file device 18 with a time when the status change is caused. A retrieval means 17 retrieves the status change data 102 stored at an optional time by using the occurrence time as a retrieval items and the result is displayed on the screen. In the case of installation works for the communication line and communication installation, work data are added (13) to the monitor data 101 received from the start of the work to the end and the resulting data are stored in the file device 18.  In the case of retrieving the status change data 102, the data 102 are retrieved except the status change data to which the work data are added and the read status change data are displayed on the screen of a display means 15.
Patent JP-S63168006-A (JP)
Title: Manganese-zinc ferrite and composite magnetic head
Inventor: WATANABE MAKOTO
IPC: H01F1/34
Filed: 1986-12-27
Abstract: PURPOSE:To obtain the magnetic head excellent both in the yield of processing and efficiency by a method wherein the composition of a ferrite mainly composed of Fe2O3, ZnO and MnO is set in the prescribed range of composition in such a manner that the content of Mn is increased and the content of ZnO is reduced from the range of composition of the ordinary ferrite. CONSTITUTION:Using Fe2O3 of mol.%, ZnOb of mol.% and MnOc of mol.%, the composition (a, b and c) is selected within the range which is surrounded by the four points, namely, A (54, 0, 46), B (52, 12, 36), C (55, 15, 30) and D (58, 0, 42). At this time, the coefficient of average linear expansion of said material becomes 13X10<-6>/ deg.C or above, which is approximate to that of a ferromagnetic metal material, and the MnZn ferrite having a high permeability can be obtained. Accordingly, the thermal expansion coefficient can be coordinated to the ferromagnetic metal material, no cracks and breakage are generated when the head having the complex, consisting of an oxide magnetic material and a ferromagnetic metal thin film is manufactured as a magnetic core, and the magnetic head having excellent characteristics can be obtained.
Patent JP-H03174552-A (JP)
Title: Image forming device
Inventor: TAKAHASHI TOMOHIKO
IPC: G03G15/00
Filed: 1989-12-04
Abstract: PURPOSE:To accomplish a stable paper feeding operation by providing an opening and closing cover which can be opened so that an image forming means may be exposed on the upper part of a device main body where the mount part of a paper housing means remains. CONSTITUTION:The paper housing means 14 where a paper supplied to the image forming means 29 is housed is mounted on the upper surface part of the device main body 10 which incorporates the image forming means 29. Then, the opening and closing cover 15 which can be opened so that the image forming means 29 may be exposed is provided on the upper part of the device main body 10 where the mount part of the paper housing means 14 remains. Therefore, the paper housing means 14 is always in a state where it does not move in spite of the opening and closing action of the cover 15. Thus, the stable paper feeding operation is accomplished.
Patent JP-H11149387-A (JP)
Title: Common device control method and its implementing device
Inventor: MURAYAMA HIDEKI
IPC: G06F9/50
Filed: 1997-11-17
Abstract: PROBLEM TO BE SOLVED: To allow more than one program to access a common device by sending a process request to the common device by writing control information through a single process, and accepting the process request and performing the process on the common device. SOLUTION: A multi-network adapter 110 accept single writing indicating an actuation line ID by a line ID holding means 113. A state loading and saving part 121 acquires line control information on the specific area corresponding to the actuation line ID in an acceptance FIFO memory 120 from a line control information storage area 161 and performs a transmitting process, and writes information representing the process result in the specific area corresponding to the actuation line ID in a line control information storage area 161. An acceptance decision part 122 writes information showing the acceptance result of the transmitting process according to whether or not there is a free area of the acceptance FIFO memory 120 in the specific area corresponding to the actuation line ID in the line control information storage area 161, and stores the actuation line ID in the line ID holding means 113 in the free area of the acceptance FIFO memory 120.
Patent JP-H09160097-A (JP)
Title: Camera
Inventor: CHO MICHIO
IPC: G03B17/04
Filed: 1995-12-04
Abstract: PROBLEM TO BE SOLVED: To easily open/close a finder objective window arranged on the upper side of the front surface of a camera body without requiring a retreating space in opening a cover on the front surface of the camera body. SOLUTION: The upper surface 3 of the camera body 2 is a curved surface cylindrically projected between the front surface side and the back surface side of the camera body, and the finder objective window 13 is provided in the interior of the curved surface. A top cover 4 has curved shape corresponding to the curved surface, and freely moves along the curved surface between the front surface side and the back surface side of the camera body 2. The objective window 13 is shielded by moving the top cover 4 to the front surface side and exposed by moving the cover 4 to the back surface side. The movement of the cover 4 is turning along the cylindrical curved surface and also the cover 4 turns between the front surface side and the back surface side of the camera body 2, so that the retreating space is saved in comparison with the conventional sliding-moving type cover.