baber/WOPTO huggingface dataset:
Patent JP-H0513188-A (JP)
Title: Power source circuit for lighting discharge lamp
Inventor: YOKOZEKI ICHIRO
IPC: H05B41/282
Filed: 1991-06-28
Abstract: PURPOSE:To restrain an input current from being increased and prevent harmonic distortion from being generated by detecting that an input voltage of a chopper circuit is decreased lower than a predetermined value so as to shut off power supply to a control circuit. CONSTITUTION:When a voltage detection circuit 14 detects that an input voltage Vin of a chopper circuit 1 is decreased lower than a predetermined value, a switch circuit 13 is opened on the basis of the obtained detection output and supply of a controlling power source Vcc to a control circuit 7 is stopped. Accordingly, operation of the circuit 7 is stopped so that a switching control signal cannot be supplied to an FET 6. As a result, the operation of the circuit 1 is stopped, thus restraining an increase in an input current Iin according to the decrease in an input voltage Vin. Consequently, it is possible to prevent a harmonic distortion from being generated and fracture of a circuit element caused by an excessive increase in the input current Iin.
Patent JP-S6163322-A (JP)
Title: Working method of high accuracy using electromagnetic force
Inventor: TAKAHASHI MASAHARU
IPC: B21D19/00
Filed: 1984-09-03
Abstract: PURPOSE:To make a working with high accuracy by selecting the shape or position of a magnetic flux condenser according to the deformation of the material to be worked, by working with applying an electromagnetic force to the material to be worked and by repeating said work plural times to binary the material to be worked in close contact with a die. CONSTITUTION:The stock 3 to be worked is covered on the outer side of a coil 2 and a magnetic flux condenser 4 is arranged between the coil 2 and the stock 3 to be worked. The die 5 for forming is arranged on the outer side of the stock 3 to be worked. Plural times of workings by plural times of discharging are given to the stock 3 to be worked, but the working force is made to be within the range of causing no high speed deformation motion on the stock 3 respectively in the work of each time. In case of the tube expanding in the way of the stock 3 the deformation is performed in order to the positions of A, B, C on each working and the distance d between the stock 3 and magnetic flux condenser 4 is changed and an adjustment is made so as to realize the prescribed distance (d) on each working. The diameter of the magnetic flux condenser 4 is enlarged with replacing by the magnetic flux condenser having larger size in order on each stage as shown by the symbols A', B' for adjusting the distance (d). The final product being brought in close contact with the die 5 for forming finally is thus obtd.
Patent JP-S57106454-A (JP)
Title: Ultraquick cooler for melt
Inventor: SATOU TADASHI
IPC: B22D11/06
Filed: 1980-12-25
Abstract: PURPOSE: To improve the rate of cooling with an electrostatic cooling phenomenon and widen the composition range permitting formation of amorphous metal by applying DC high voltage to the part of cooling melt.  
     CONSTITUTION: Electrode probes 4 of a sharp pointed shape are mounted to the leading end of a melt nozzle 1. The probes 4 are connected to the cathode side of a DC generator for high voltage and low current and a metallic roll 5 is connected to the anode side, so that static electricity flows to a high temp. object on the anode side from the probes on the cathode side from the moment when the ejecting molten metal contacts with the roll 5. Spark discharging is effected between the electrodes. Fe 72 Si 15 B 13  is inerted in the nozzle 1, and is heat ed to melt with an electric furnace 3 in an inert gaseous atmosphere. A high pressure gas is introduced into the nozzle 1 to eject the molten metal 2 onto the roll 4 revolving at a high speed, whereby amorphous metal 6 is obtained. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S6427008-A (JP)
Title: Production of magnetic head
Inventor: SAKAKIMA HIROSHI
IPC: G11B5/31
Filed: 1987-07-23
Abstract: PURPOSE:To improve the mechanical strength and yield of a magnetic metallic head by etching a silicon or gallium arsenic substrate to a prescribed measure and shape by plasma etching, then depositing and forming a ferromagnetic alloy film thereby by a sputtering method or vacuum deposition method. CONSTITUTION:The silicon or gallium arsenic substrate 1 is worked by the plasma etching method so as to have sheet parts 1a which erect from the bottom part of the substrate and have the thickness DELTAL and height D corresponding to the spacing of a magnetic gap. The ferromagnetic alloy film layer 2 is deposited and formed continuously on both sides of the sheet parts 1a to form the prototype of the front core part of the magnetic head. A front core part 5 exposed with the sheet part 1a as the magnetic gap on the outer side face is formed by machining, etc. This front core part 5a is joined to the end face or side face of the back core part 3 and thereafter, the surface for sliding with a tape is worked to a curved surface and a winding 5 is formed to the core, by which the magnetic head is produced.
Patent JP-S6341071-A (JP)
Title: Solid state image sensing element
Inventor: DOI HIROSHI
IPC: H04N5/335
Filed: 1986-08-06
Abstract: PURPOSE:To obtain a video image having less after-image by inclining the potential distribution of a photodetector to a vertical transfer unit. CONSTITUTION:An impurity concentration of the reading side of a photodetector 9 is increased to reduce a potential of the gate region 10 side of the photodetector 9 from its opposite side, thereby inclining the potential of the photodetector 9 to a vertical transfer unit 11. That is, a voltage sufficient to read out a signal charge from the photodetector 9 to the unit 11 is applied to the region 10, the potential of the region 10 is reduced to the vicinity of the potential of the photodetector 9, and the signal charge stored in the photodetector 9 is read out to the unit 11, but since the potential of the photodetector 9 is inclined to the direction of the unit 11, a signal charge flows along the inclination of the potential of the photodetector 9 to the unit 11, and most of the charge stored in the photodetector 9 can be read out.
Patent JP-H1025826-A (JP)
Title: Ventilating structure for building
Inventor: ONIZUKA TOSHIYA
IPC: E04B1/70
Filed: 1996-07-15
Abstract: PROBLEM TO BE SOLVED: To circulate air in a room simultaneously with ventilation by providing a ventilating fan with suction ports and a blowoff port, and operating the ventilating fan to blast outside air and indoor air sucked from the suction ports, into the room from the blowoff port. SOLUTION: When a ventilating fan 2 is switched on, a blade 42 is rotated around a rotary shaft 41 by a motor 43, and outside air is sucked from a suction port 51 provided at a back face 34, through an opening 11 of a wall 1. Because of this outside air, fresh air is supplied into a room from a blowoff port 6. At the same time, air in the room is sucked from a suction port 5 provided at a lower face 32 and blown off upward by guide vanes 61, together with the outside air sucked from the suction port 51. Warm air staying at the upper part of air in the room is thereby pushed out and moved downward. Air in the room can thereby be circulated simultaneously with ventilation.
Patent JP-H1028844-A (JP)
Title: Treatment method by dual reverse osmosis membrane
Inventor: HIROSE MASAHIKO
IPC: B01D61/02
Filed: 1996-07-15
Abstract: PROBLEM TO BE SOLVED: To conduct the treatment of a solution of at least a specified temperature and of a solution which requires heating sterilization treatment with a solution of at least a specified temperature economically with a large quantity of permeation water by using a specified polyamide type dual reverse osmosis membrane. SOLUTION: In a method for treating a solution of at least 40 deg.C or a solution which requires heating sterilization treatment with a solution of at least 40 deg.C with a dual reverse osmosis membrane, the membrane is composed of a polyamide type skin layer and a porous support which supports the membrane. The skin layer is made from a cross-linked polyamide which is prepared by reacting a multifunctional amine having two or more reactive amino groups with a multifunctional acid halide having two or more reactive acid halide groups, and the specified surface area of the skin layer is 3 or more. The specific surface area of the skin layer is defined by the formula given below: specific surface area of skin layer = (surface area of skin layer)/(surface of porous support).
Patent JP-S5973191-A (JP)
Title: Laser marking device
Inventor: TAKAHASHI TOSHISADA
IPC: H01S3/101
Filed: 1982-10-21
Abstract: PURPOSE:To calculate the positional coordinates of a beam positioner and to mark an arc at a high speed by assigning the linear speed of marking with the radius and coordinate of center of an arc and the arguments of the radius vectors connecting the center of the arc and the beginning and end paints of the arc. CONSTITUTION:A laser marking device is constituted of a circuit which assigns the radius r and coordinates Xc, Yc of center of an arc, the arguments theta1, theta2 of the radius vectors connecting the center of the arc and the beginning and end points of the arc, and the linear speed V for marking, divides the speed V by the radius r and determines an angular speed W; a circuit which determines the argument theta of the laser spot at a time (t) by integrating the speed W; a circuit which controls the point of the time when the argument theta attains the arguments theta1, theta2; a circuit which determines the coordinates x, y viewed from the center of the arc by a device for forming COS and SIN components of the argument theta and a multiplier for mltiplying the same by r; an adder which adds the coordinates Xc, Yc to the coordinates x, y on the arc; and a circuit which drives a beam positioner by the coordinate signals X, Y obtd. by passing the output of the adder through an analog multiplexer set in an arc mode.
Patent JP-2000020871-A (JP)
Title: Device for preventing forgetfulness of depression of on-vehicle terminal
Inventor: KITAMURA FUMIAKI
IPC: G08G1/00
Filed: 1998-06-30
Abstract: PROBLEM TO BE SOLVED: To prevent the forgetfulness of depression of an on-vehicle terminal at input of a terminal loaded on a vehicle for collection and delivery. SOLUTION: This device is placed on a vehicle for collection and delivery of packages and is provided with a terminal for managing accumulated packages and the operating state, an inputting means for inputting information for managing the accumulated packages and the operating state to the terminal body, a judging means for judging that push is forgotten when there is no input from the inputting means in spite of an expected input from the inputting means, and an warning means for issuing a warning to a worker when it is judged by the judging means that the push is forgotten.
Patent JP-H099823-A (JP)
Title: Artificial bait
Inventor: SOMA KATSUYUKI
IPC: A01K85/00
Filed: 1995-06-28
Abstract: PURPOSE: To provide an artificial bait capable of remarkably promoting bait- seeking appetite of fishes which live in fresh water or sea water by carrying out setting of gravity center, prevention of rotation, increase of weight, extension flying distance, arrival of seeking layer, occurrence of water sound and bubble, stability of swimming in rapid stream. CONSTITUTION: A cup piece 6 having a water inlet 4 at the front end and a discharge port 5 at the rear end or both side edges is joined or connectedly installed on the lower side near the rear end part of a body 3 having proper shape.
Patent JP-H0934565-A (JP)
Title: Stabilized power circuit
Inventor: SUZUKI TOSHINAO
IPC: G05F1/56
Filed: 1995-07-21
Abstract: PROBLEM TO BE SOLVED: To stably correct the voltage drop that is generated in a transmission line, etc., and to supply the voltage of a fixed level to the load by using a single resistor which detects the load current. SOLUTION: In a dropper type stabilized power circuit, the dropped voltage of a load current detection resistor R3 is added in inverse polarity to the detected output voltage. Thus the dropped voltage level of a transmission line is corrected at the load side. In other words, the value R4.R2/R1 is set when the resistance value of the resistor R3 is set equal to the equivalent resistance R4 of the transmission line. As a result, the voltage drop can be stably corrected on the transmission line, etc., and the voltage of a fixed level can be supplied to the load.
Patent JP-H0236538-A (JP)
Title: Semiconductor device
Inventor: NARITA YUKIHIRO
IPC: H01L23/62
Filed: 1988-07-27
Abstract: PURPOSE:To eliminate the problem of 'eye opening' by a method wherein emitters and a damper diode contact part are separated from each other by covering lateral part of the emitter diffused layers of a transistor with a surface oxide film. CONSTITUTION:Emitter n<+> diffused layers 4 are formed in the surface of a base p-type layer 3 using an oxide film 5 as a mask. At this time, the dimension (l1) of the film 5, which is used as a diffusion mask, of a damper diode contact part is wide and peripheral parts 4a of the layers 4 are extended in the lateral direction under the film 5. A contact window is opened on a surface oxide film 13 and the contact window is provided in such a way that the dimension (l2) of a window hole 9 of the damper diode contact part is smaller than the dimension (l1) and the window hole at least is not placed on the lateral layers 4. An Al electrode to come into ohmic contact to the contact window hole is provided to complete a transistor with a build-in damper diode. When an emitter and a collector of the transistor are turned-OFF and a large current flows, a base-collector junction directly under the damper diode contact part works as the damper diode and protects the junction between emitters from being broken.
Patent JP-H1112284-A (JP)
Title: Production of organic indium compound
Inventor: OSAKI HIROMI
IPC: C07B49/00
Filed: 1997-06-26
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a crystalline organic indium compound, such as trimethyl indium, in an easy, safe and efficient way. SOLUTION: This method comprises reacting an indium halide with an organic magnesium halogenide in ether solvent to produce an organic indium compound expressed by the formula, wherein, a hydrocarbon having a boiling point of >=200 deg.C, then, an indium halide are added to added to and reacted with ether suspension of an organic magnesium halogenide. In the formula, R is selected from a lower alkyl, phenyl, an alkyl-substituted phenyl, a cyclopentadienyl or an alkyl-substituted cyclopentadienyl. The three R may be the same or different from one another. M<1> represents indium.
Patent JP-H0354178-A (JP)
Title: Production of high-purity white alumina ceramics
Inventor: YAMAKAWA TAKAHIRO
IPC: C04B35/10
Filed: 1989-07-20
Abstract: PURPOSE:To obtain an alumina ceramics having high purity and white color by using an alumina ceramics having prescribed purity and bulk density and creamy color and heating the alumina ceramics in a reducing atmosphere at a prescribed temperature. CONSTITUTION:An alumina ceramics having an alumina purity of >=99% and a bulk specific gravity of >=3.85 and exhibiting creamy or pale yellow color is used as a raw material. The aluminum ceramic raw material is heated in a reducing atmosphere at >=1,000 deg.C to obtain the objective white alumina ceramics having high purity.
Patent JP-H065710-A (JP)
Title: Semiconductor memory device and defective-memory cell remedy circuit
Inventor: SUKEGAWA SHUNICHI
IPC: H01L21/82
Filed: 1992-06-19
Abstract: PURPOSE:To prevent a malfunction caused by a resistance value after a fuse has been blown by a method wherein a redundant memory is started by selecting the fuse, to be blown, which corresponds to either 1 or 0 inside an address. CONSTITUTION:A P-channel transistor PCH-1 is energized by a starting signal START UP 68 and generates a REN-signal. Low-active address signals AF-0 to AF-11 and a REN signal are logical-operated by NOR gates 70, and output signals are obtained. The signals are output, via programmable fuses F0 to F11, to N1, N2 and N3 which have been connected to a wired OR. In addition, they are logical-operated by a NAND gate 65, and an address fuse coincidence signal is obtained. Thereby, it is judged that a device uses not a defective memory but a redundant memory. It is possible to prevent a malfunction due to the parallel combined low-resistance value of a resistance value with which an ordinary blown fuse is provided, the time to discharge a common contact is not required, and an extremely-high-speed address coincidence signal can be generated.
Patent JP-H0235785-A (JP)
Title: Laminate-type displacement element
Inventor: SADAMURA SHIGERU
IPC: H01L41/083
Filed: 1988-07-26
Abstract: PURPOSE:To prevent a migration by a method wherein a non-displacement part is formed at an outer peripheral edge of an internal electrode so as to surround this internal electrode, one part of the internal electrode is connected to an external electrode via a lead part and a frame member is formed collectively at the non- displacement part in order to prevent the internal electrode from being brought into contact with the outside air. CONSTITUTION:An internal electrode 2 is formed of a silver-palladium alloy; a lead part 2a is formed collectively and is faced with an edge side of a thin sheet 1 or protrudes. Then, a frame member 1a is formed of a material which is identical to that of the thin sheet 1; it is formed to be like a picture frame at the outside of the internal electrode 2 so as to surround this internal electrode 2. Then, a paste composed of a silver-palladium alloy is fixed to the surface of this thin sheet 1 by a screen- printing operation; the internal electrode 2 is formed. In this case, also the lead part 2a is formed simultaneously. Then, when the frame member 1a is formed at an peripheral edge part of the internal electrode 2 by the screen-printing operation, the internal electrode 2 and the lead part 2a are masked. Then, this thin sheet 1 is laminated, pressure-bonded and, after that, baked; a sintered laminated body is obtained. Thereby, the internal electrode is sealed hermetically; it is possible to prevent a migration.
Patent JP-H0538163-A (JP)
Title: Inverter device
Inventor: MAEHARA MINORU
IPC: H02M7/5387
Filed: 1991-07-25
Abstract: PURPOSE:To eliminate discontinuous input current, and reduce harmonic component of input current. CONSTITUTION:In an inverter device provided with a circuit for electrifying input current from an AC power source Vs via an inductor, an inverter element, and a switching element and improving an input power-factor, a means for suppressing voltage V3 to be generated in the direction to be superposed on the rectified output voltage of a full-wave rectifier DB on an inductor L1 to be included in the inverter element is set, regardless of conditions to be controlled. Accordingly, discontinuous input current is eliminated, and the harmonic component can be made less.
Patent JP-S57110789-A (JP)
Title: Control device for scroll type compressor
Inventor: KARATO HIROSHI
IPC: F25B5/00
Filed: 1980-12-27
Abstract: PURPOSE: To facilitate a capability of control over each of the operations of the compressor by a method wherein a check valve is arranged in a closed space formed at the end plate of the fixed scroll and at the same time an outlet of the check valve, a discharge port of the compressor and the inlet port thereof are connected through a three-way valve.  
     CONSTITUTION: Pressur guide pipe 18A and the connector pipe 17 are communicated to each other through three-way valve 20 and a return pipe 19A is shut off, thereby the compressor may be operated in the same manner as that of a conventional scroll type compressor under the action of the check valve 16A, 16b. The pipe 17 is communicated with the suction pipe 19 through thee-way valve 20 and the pipe 18A is shut off, thereby the fluid is discharge through the check valves 16A, 16B while the closed spaces 14A, 14B are communicated with the through-pass holes 15A, 15B during a rotation of the movable warp 9B and no increase of the hydraulic pressure is found in the spaces 14A, 14B so that an operation of low power may be performed. In this way, a control over a capability of the scroll type compressor may be performed and both high and low loading operations may be performed by one compresor machine. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0526778-A (JP)
Title: Abnormality detector of knocking detector
Inventor: YAMADA HIROHIKO
IPC: F02B77/08
Filed: 1991-07-25
Abstract: PURPOSE:To obtain an abnormality detector capable of accurately discriminating the abnormality of a knocking sensor even when irregularity is generated in a knocking sensor signal or even within a low rotation region where the number of rotations of an engine is Ne. CONSTITUTION:The max. value (knocking intensity value V) of the predetermined section of the output signal from a knocking sensor 7 is calculated and the value [logarithmic conversion value LOG (V)] obtained by logarithmically converting said max. value is also calculated. Then, the central value VM of the distribution of the logarithmic conversion value LOG (V) and the index S (standard deviation sigma) showing the degree of the irregularity of said distribution are renewed. Next, the index S is compared with an abnormality judging value Slh. By this constitution, since the irregularity of the sensor signal is reduced when abnormality is generated in the knocking sensor 7, by judging that the knocking sensor is abnormal when the index S is smaller than the judging value Slh, the abnormality of the knocking sensor 7 can be accurately judged.
Patent JP-H0683752-A (JP)
Title: Composite storage device connected to host device
Inventor: KUMAMOTO MINEAKI
IPC: G06F13/14
Filed: 1992-06-19
Abstract: PURPOSE:To prevent a composite storage device consisting of an HDD and a cassette streamer from being reset by a reset signal generated on the outside when the composite storage device is independently driven. CONSTITUTION:The composite storage device 3 consists of the HDD 6 and the cassette streamer 7. The device 3 is connected to a host device 1 through a 1st SCSI bus 2. The HDD 6 is connected to the streamer 7 through a 2nd SCSI bus 8. A 1st switch 12 is connected between the 1st and 2nd buses 2, 8. The 1st and 2nd buses 2, 8 are standardized by SCSI. At the time of writing data in the streamer 7 from the HDD 6, the 1st switch 12 is turned off.
Patent JP-H0236490-A (JP)
Title: Card reader for elevator
Inventor: MIYAJIMA AKIHISA
IPC: B66B1/06
Filed: 1988-07-26
Abstract: PURPOSE:To prevent misuse or mischief by detecting whether an inserted object is a legal information card or a foreign substance, and stopping the operation of a reading head and issuing an alarm on decision that it is the foreign substance. CONSTITUTION:When the object 4 is inserted into an insertion port 2, the lever switches 3 of a number of pieces corresponding to the width of the object 4 are pressed and operated, and the width of the object 4 is detected according to the number of outputs, and besides, the lever switches 3 is rotated by angle corresponding to the thickness of the object 4, and the thickness of the object 4 is detected according to the value of this output. Besides, the photoelectric devices 5 of the number of pieces corresponding to the length of the object 4 are operated, and the length of the object 4 is detected according to the number of these outputs. When one of, at least, the width, the thickness and the length is different, a magnetic head is not operated, and the alarm is issued by an alarm device. When the object whose shape is same as the legal card but which is not the legal magnetic card is inserted, since read contents are different from the regular one, the magnetic head stops its operation, and the alarm device is operated. Thus, the misuse or the mischief can be prevented.