baber/WOPTO huggingface dataset:
Patent JP-H05335666-A (JP)
Title: Circuit for controlling and driving of semiconductor laser
Inventor: TAKEYAMA YOSHINOBU
IPC: H01S5/042
Filed: 1992-05-29
Abstract: PURPOSE:To enable a circuit which controls the driving of a semiconductor laser by generating the driving current of the laser at a potential decided by the leading-in current of a D/A converter by using the converter to always control the setting of the light quantity of a semiconductor laser with the same resolution even when a desired light quantity is small. CONSTITUTION:This control circuit is provided with a D/A converter 4 for leading in a current I0 decided by an input reference current Iref, converter 6 which has a prescribed offset voltage Voffset and converts the leading-in current I0 of the converter 4 into a voltage, and driving element 8 which generates the driving current of a semiconductor laser 1 at a potential generated by the converted voltage. In addition, by providing an adjustment circuit 9 which adjusts the reference current Iref of the converter 4 in accordance with a light emitting quantity commanding signal Vp in a circuit which supplies a constant current to the laser 1 so that the light quantity of the laser 1 can correspond to the signal Vp, the controlling width of the driving current of the laser 1 is made variable in accordance with the light emitting quantity of the laser 1 so that the light emitting quantity can be always set with the same resolution regardless of the value of the quantity.
Patent JP-2000325683-A (JP)
Title: Bird nest preventive device of sewing machine
Inventor: IMAI TSUTOMU
IPC: D05B65/06
Filed: 1999-05-19
Abstract: PROBLEM TO BE SOLVED: To shorten the length of a needle thread end part remaining on the cloth reverse, and to make surly preventable a bird nest by arranging a needle thread end part holding member for holding the needle thread end part penetrated through the cloth reverse in a first stitch between cloth and a shuttle. SOLUTION: A needle thread penetrated through the reverse side of cloth in a first stitch is entangled with these seams as it is sewn, and a so-called bird nest is formed. Then, a moving knife 50 and a fixed knife 52 are arranged on the reverse of a needle plate 44, at least one of a needle thread and a bobbin thread is captured by rotating the moving knife 50 around the rotational center 50C at sewing finishing time, and at least one of the needle thread and the bobbin thread is cut on the lower side of cloth by meshing of the fixed knife 52 and the moving knife 50.  A bird nest preventive device 54 is installed on a cloth stand 48, this is composed of a thin plate-like thread gripping plate 56, a thread gripping wire 58 composed of a piano wire movably installed on this thread gripping plate 56 and a guide plate 60, and the thread gripping plate 56 and the thread gripping wire 58 are made to function as a needle thread end part holding member.
Patent JP-S5564558-A (JP)
Title: Temperature control of isocyanate stock solution
Inventor: KONYA TAKESHI
IPC: C07C241/00
Filed: 1978-11-10
Abstract: PURPOSE: To prevent the formation of solid material in case of an accident such as damage of jacket, etc., and to prevent pump troubles, etc., by using a phthalic acid ester as a heating medium of an isocyanate stock tank, in place of water.  
     CONSTITUTION: The temperature of an isocyanate stock solution 2 stored in a tank 3, is controlled by passing a heating medium consisting of a phthalic acid ester pref. of the formula [R 1 , 2  are 1W12C (substituted) hydrocarbon] through a coil 7 or a jacket 9 for temperature control.  
     EFFECT: Since phtalic acid esters are inert to water, there is no trouble of solid material deposition in case of an accident such as damage of the jacket or the temperature control coil. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S5840660-A (JP)
Title: Terminal system
Inventor: YOSHIDA KATSUO
IPC: G06F3/14
Filed: 1981-09-04
Abstract: PURPOSE:To decrease the frequency of transfer of foreign language fonts with high frequencies of use, and to improve processing efficiency by storing foreign language fonts in a memory only for foreign language fonts in a terminal device during the execution of a preloading command, and holding them until the preloading command is executed again. CONSTITUTION:A host devie generates a preloading command and when codes and fonts of foreign language which are data to be preloaded are sent, a terminal controller 1 stores the preloaded data in a receiving buffer 11 successively. Codes of KANJI (Chinese character), however, are stored in a field A of the receiving buffer 11, and fonts of KANJI are supplied to a field B. Then, the controller 1 reads the data out of the receiving buffer 11 successively to store the contents of the field A in a preloaded code talbe circuit 15 in order starting at the 1st entry, and the contents of the field B are transferred to a video terminal 7 through a selecting circuit 10 to be stored in a preloading buffer 18.
Patent JP-H06348076-A (JP)
Title: Image reading/printing device
Inventor: FUJII YOSHIHARU
IPC: G03G15/00
Filed: 1993-06-10
Abstract: PURPOSE:To provide an image reading/printing device light in weight and small in size and capable of easily exchanging a consumable part. CONSTITUTION:In an integrally molded resin frame 22 of a facsimile equipment 21, its upper flat surface 22a is used for an original reading surface, and an optical unit 33 is provided on the side thereof via the original reading surface. On the other side thereof, an original-carrying unit 59 is provided, and the image information of an original is optically read while carrying the original. Further, both ends of process cartridges 24 and 27 are locked in both sides 22c and 22d of the frame 22, an they are held between them. Thus, because component members overlapping in each part of the facsimile equipment 21 and unnecessary spaces inside the frame 22 are reduced, the facsimile equipment 21 can be made light in weight and small in size, and also the strength of the frame 22 can be kept high by attaching the process cartridges 24 and 27 to the frame 22.
Patent JP-S5767037-A (JP)
Title: Manufacture of base material for single-mode optical fiber
Inventor: TOMARU AKIRA
IPC: G02B6/00
Filed: 1980-10-06
Abstract: PURPOSE:To obtain the titled base material with low loss and low dispersion over a wide wavelength region by forming a porous glass layer contg. fluorine for the 1st clad and a porous glass layer for the 2nd clad around a porous glass body for a core and converting them into transparent glass by heating. CONSTITUTION:SiCl2 and GeCl4 are fed into a torch 1 for synthesizing fine glass particles for a core together with a carrier gas such as He, SiCl2, POCl3 and SF6 are fed into a torch 2 for synthesizing fine glass particles for the 1st clad together with a carrier gas, and SiCl4 is fed into a torch 3 for synthesizing fine glass particles for the 2nd clad together with a carrier gas. They are subjected to flame hydrolysis to form fine glass particles, and a porous glass body is grown from the particles. The body is then heated to 1,500 deg.C in an atmosphere of He and Cl2 and coverted into transparent glass by dehydration. Thus, a base material for an optical fiber with a Q type refractive index distribution can be manufactured, and this optical fiber has the advantage of low-dispersion transmission in a wide wavelength region.
Patent JP-H11326278-A (JP)
Title: Apparatus and method for measurement of redox potential
Inventor: OMI TADAHIRO
IPC: G01N27/416
Filed: 1998-05-20
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method, for the measurement of a redox potential, in which the redox potential of a solution can be measured always precisely and continuously. SOLUTION: In a measuring apparatus, a working electrode 2 and a reference electrode 4 which are immersed in a solution 8 whose redox potential inside a redox-potential measuring part is to be measured are provided, and a potential shift means which displaces the potential of the working electrode 2 is provided. It is preferable that an electrode 3 for potential shift is immersed and installed in the solution 8 so as to be in parallel with the reference electrode 4. The potential shift means is constituted of a power supply 11 which is installed via a switch 12 across the working electrode 2 and the reference electrode 4, and it is installed on a wire 9 which connects the working electrode 2 to the reference electrode 3. The power supply 11 is installed in such a way that the working electrode 2 becomes negative.
Patent JP-S5763560-A (JP)
Title: Recording method
Inventor: SAKAI TOSHIO
IPC: G03G15/00
Filed: 1980-10-06
Abstract: PURPOSE:To realize a recording method capable of using toner having low electric resistance by giving induced charge by electrostatic induction to toner, carried by a toner carrier driven to turn, corresponding to a pattern signal. CONSTITUTION:A toner carrier is composed of a donor roller 1 made of a conductive material and has a metallic cylindrical core member 2 and an elastic material layer 3 made of rubber of <=10<8>OMEGAcm volume intrinsic resistance provided around the surface of the core member. Around the donor roller 1, a hopper 5 containing toner 4, a multistylus electrode 6, and a transfer roller 7 are provided and the toner 4 is obtained by kneading resin and a large amount of carbon and has <=10<10>OMEGAcm low volume intrinsic electric resistance. The multistylus electrode 6 has many electrode styluses 8 at slight intervals and those electrode styluses 8 face the donor roller 1 at a fine interval (t) while a film 9 made of an insulator is fitted to the flank of each electrode stylus 8.
Patent JP-S62295069-A (JP)
Title: Color toner
Inventor: KANEKO TADASHI
IPC: G03G9/09
Filed: 1986-06-13
Abstract: PURPOSE:To form a color toner with which a color transparency copy of sharp color tones is obtd. for an OHP by using an org. dye soluble in an org. solvent as a coloring agent. CONSTITUTION:This color toner is prepd. by using the org. dye soluble in the org. solvent such as benzene, toluene, xylene, methyl ethyl ketone or halogen solvent as the coloring agent. More preferably, the org. dye is formed as the red dye or blue dye selected from a disperse dye, solvent dye and vat dye. Since the color toner is thereby provided with good transparency, the reproducibility of neutral tints by the superposition of the respective color toner layers is improved and the projected color image of the sharp color tones is obtd. when said toner is used for the OHP.
Patent JP-S5263011-A (JP)
Title: Multiple signal extracting device
Inventor: OOTSUKI TADASHI
IPC: H04N7/035
Filed: 1975-11-19
Abstract: PURPOSE: To correctly extract the multiple signal inserted in a vertical retrace even in a weak electric field and even if there are noises by feeding a TV signal to a synchronizing separation circuit and detecting the predetermined number of horizontal pulses by the pulse signal obtained from this circuit. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S621006-A (JP)
Title: Supervising equipment for operation state of plant
Inventor: SEKI EIJI
IPC: G08B23/00
Filed: 1985-06-27
Abstract: PURPOSE:To confirm quickly and accurately an abnormal phenomenon by displaying a specified image corresponding to the abnormality with operation of an alarm display window part showing the abnormality. CONSTITUTION:When an electronic computer 1 detects the abnormality of a plant from the measurement signal S1 given from various measuring instruments, a signal is sent to a speaker 4 for production the alarm tones. Furthermore the computer 1 selects the abnormal type number according to the type of the plant abnormality and selects one of alarm display windows 5a-5n in response to said abnormality type number to turns on or blinks it. An operation switch 6 corresponding to the glowing alarm display window is turned on. Thus the computer 1 displays automatically the image having the relevant number on a CRT display device 3.
Patent JP-S61296984-A (JP)
Title: Laser beam processing device
Inventor: SEGAWA HIROHISA
IPC: B23K26/02
Filed: 1985-06-27
Abstract: PURPOSE:To permit the change over of the distances from a lens and a work to meet the change over of CW oscillation and pulse oscillation even during processing by providing two distance setters and changing over the setters by the mode signal for instructing the oscillation mode of the CW oscillation or pulse oscillation. CONSTITUTION:An excitation coil A is excited and corresponding contacts A1 and A2 are closed when an NC device 1 outputs a mode signal S1. The laser light 4 of the CW oscillation from a laser oscillator 3 is thereby fed via the lens 5 to a work 6. The detection signal S3 detected by a distance detector 9 and the set signal S4 from the distance setter 10 are compared in a comparator circuit 12 and the position of the lens 5 is so controlled that the focal position of the lens 5 is brought to the adequate position on the work 6. The comparator circuit 12 compares the detection signal S3 and the set signal S5 from the distance setter 11 when the mode signal S2 of the pulse oscillation is outputted in place of the mode signal S1 during processing.
Patent JP-H0432293-A (JP)
Title: Component mounting method
Inventor: KIRA HIDEHIKO
IPC: H05K3/32
Filed: 1990-05-28
Abstract: PURPOSE:To elevate the stability of connection between a component lead and a foot print so as to elevate the reliability to connection by connecting the component lead with the foot print by a connecting sphere wherein the dispersion in dimension, strength, electric properties, etc., is very small. CONSTITUTION:A ball B, where the conductor 1b around a connecting medium 1 is covered with an adhesive resin film 2, is interposed between a component lead 3 and the foot print 5 of a printed board 4, and the parts lead 3 and the foot print 5 are heated and pressurized to bond the component lead 3 with the foot print 5 together, and also make the component lead 3 and the foot print 5 conductive with a conductor 1b. For a connecting sphere 1, at least the surface is covered with a conductor 1b, and the whole is constituted of conductor such as metal, conductive synthetic resin, or the like. Moreover, to make it have a little elasticity as well as lighten it, the one, where the surface of the spherical nucleus made of synthetic resin such as stainless synthetic resin, or the like is plated with a conductor 1b consisting of copper, is used.
Patent JP-S5931201-A (JP)
Title: Automatic battery replacing device for transport vehicle
Inventor: MURAMATSU SHIYUUKICHI
IPC: B60L11/18
Filed: 1982-08-10
Abstract: PURPOSE:To have automatic replacement of batteries for trolleys in an unmanned plant, etc. by furnishing a storage device equipped with a plurality of battery storing parts and a battery transfer device for replacing any discharged battery on the trolley with a charged battery stored in the storing parts. CONSTITUTION:This battery storage device 2 is made in such a construction that rotary shelves are installed one over another, where each shelf 8 has four battery storing parts 1 equipped each with a charger 9 and a charging terminal 6 with automatic separability. On the other hand, the battery transfer device 5 comprises a battery detaining finger 10 equipped with hooking latch 19 with easy separability from the battery 4, a battery table 11, a hanging rotary frame 12, an elevating frame 13 and an elevating guide 14, being in charge of taking out a discharged battery 4 from the trolley 3, transferring it to one of the storing parts 1, taking out a charged battery 4 from storing part 1, and transferring it to the trolley 3. The trolley 3 is equipped with a receptacle terminal, which is automatically separable from the battery 4.
Patent JP-H038769-A (JP)
Title: Production of carbon fiber-reinforced carbonaceous material
Inventor: MATSUI YOSHIAKI
IPC: C04B35/52
Filed: 1989-06-02
Abstract: PURPOSE:To obtain in high productivity the title material with good wear resistance by graphitization of an extrusion formed product of a paste comprising a carbonaceous filler, carbon fiber and a binder. CONSTITUTION:Firstly, a slurry is prepared by dispersion mixing of a carbonaceous filler and short carbon fiber in a liquid dispersion medium. Second, the slurry is filtered to obtain a cake containing said carbonaceous filler and carbon fiber. Third, a binder (e.g. coal tar, pitch) is added to the cake followed by kneading into a paste, which is then extruded, and the resulting formed product is carbonized or graphitized.
Patent JP-S5565864-A (JP)
Title: Solar heat water heater
Inventor: YAMAMOTO HISAYOSHI
IPC: A01G1/00
Filed: 1978-11-10
Abstract: PURPOSE: To obtain hot water at a high efficiency with a proper water seal by means of a heat collenting tube formed with a synthetic resin fixed on the tube wall made of a foaming metal material.  
     CONSTITUTION: Heat collecting tubes 1 have a wall 2 made of a foaming metal material and a synthetic resin is fixed on the wall 2 to close a communicating hole 3 thereon. The proper water seal thus obtained prevents water from leaking through the wall when the tube is fed with water. One end of the plural heat collecting tubes are connected to a hot water extraction tube 3 while the other end thereof to a feed tube 4. The tube 1 is housed in a hot chamber 7 having the top opening of the case 5 sealed with a transparent plate 6. With such an arrangement, the amount of heat collected per fixed amount of water increases in proportion to the heat collecting area which gains due to voids resulting from the foaming of the tube 1, thereby facilitating the production of hot water. The use of the foaming metal material can reduce the weight. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-2000330463-A (JP)
Title: Language learning system
Inventor: SUYAMA TOMOHISA
IPC: G09B19/06
Filed: 1999-05-19
Abstract: PROBLEM TO BE SOLVED: To provide a language learning system in which teaching materials can be easily recorded, editing of teaching materials such as partitioning, coupling, deletion and duplication can be easily performed with respect to the recorded teaching materials and a director can reproduce various kinds of teaching material. SOLUTION: In this language learning system, teaching material data to be recorded in a teaching material storing and distributingly transmitting device 2 are recorded in a teaching material data storing means 21 and, at the same time, information of the recorded teaching materials are recorded in a teaching material data managing means 22. Moreover, when the device 2 receives requests of editing such as partitioning, coupling, deletion and duplication of the teaching materials from a terminal device for director 1 via a network, sentence starting/ completing position information or the like which are stored in the means 22 are written over the information of edited teaching materials.  When the recorded teaching materials are to be transmitted to a learner, the teaching materials to be transmitted are searched from the information of the teaching material recorded in the means 22 and they are read out from the means 21 to be distributingly transmitted to a terminal device for learner 3.
Patent JP-H09302343-A (JP)
Title: Liquid crystal composition and liquid crystal display element
Inventor: SEKIGUCHI YASUKO
IPC: C09K19/46
Filed: 1996-05-08
Abstract: PROBLEM TO BE SOLVED: To obtain a liquid crystal composition low in viscosity, showing a nematic liquid crystal in a wide temperature range, useful as a liquid crystal display element, comprising a specific liquid crystal compound, etc. SOLUTION: This liquid crystal composition comprises preferably 2-32wt.% of a compound of formula I (R<1> is a 1-10C alkyl) as a first component, preferably 28-58wt.% of a compound of formula II (R<2> is a 1-10C alkyl; A<1> is 1,4- cyclohexylene, 1,4-phenylene or 1,3-dioxane-2,5-diyl) as a second component, preferably 40-70wt.% of a compound of formula III (R<6> and R<7> are each a 1-10C alkyl; B is 1,4-cyclohexylene, 1,3-pyrimidine-2,5-diyl, etc.; Z<2> is C≡C, COO, CH2 CH2 , CH=CH or a single bond) as a third component and a chiral component in a corresponding amount required to keep the ratio d/p of cell thickness (d)(μm) to pitch length P(μm) of distortion in the ratio of 0.4.-0.6 when the liquid crystal composition is used for a liquid crystal display element as a fourth component.
Patent JP-S5762966-A (JP)
Title: Glow plug controlling system
Inventor: IZUMI AKIRA
IPC: F02P19/02
Filed: 1980-10-03
Abstract: PURPOSE:To reduce the loss of electric power, by passing a detecting current to a glow plug when current supply to the glow plug is interrupted, detecting the value of resistance caused by the temperature change of the glow plug, and controlling the time period for feeding current to the flow plug according to the detected value of resistance. CONSTITUTION:An electromagnetic glow relay 3 is provided in series to a passage for feeding current to a glow plug 7 from a battety 8, in the manner that it is controlled by a controller 2. The controller 2 includes a constant-current circuit 2a for feeding a detecting constant current to the flow plug 7, a constant-voltage circuit 2b, and an inverting amplifier circuit 2c for amplifying the voltage drop of glow plug 7 with inversion. Further, the controller 2 includes a temperature-level detecting circuit 2d for detecting the voltage level of the inverting amplifier circuit 2c and generating a trigger pulse for a predetermined time when the temperature of the glow plug 7 is lowered to a lower limit aimed value, a sensing-pulse generating circuit 2e, a timer circuit 2f, and a drive circuit 2h for driving the relay 3.
Patent JP-H0431006-A (JP)
Title: Laminated lumber with large crosssection and jointing of laminated lumber with large crosssection
Inventor: KUSUHISA HIROSHI
IPC: B27M3/00
Filed: 1990-05-29
Abstract: PURPOSE:To obtain a laminated lumber with a large cross-section having no cross sectional cutout of a wood part and less increase in weight and being easily processed by a method wherein two faces of jointing part facing each other are brought into contact with a jointing metal hardware and a number of projected needles are pushed in a wooden part of the jointing part. CONSTITUTION:Jointing faces 11A and 12A of laminated lumbers 11 and 12 with a large cross section are constituted of a vertical face which is inclined to a vertical face in the longitudinal direction and a vertical face which is at right angle to the longitudinal direction. As a jointing metal hardware, a number of cut and raised projections 13a1 each with a peaked apex are formed on a thin strip-like metal sheet so as to make the surface in parallel to the longitudinal direction of the metal sheet to make projected needles. End faces 11A and 12A are coated with a synthetic resin adhesive and are jointed together. Certain parts of jointing lines AL of the upper and the lower faces of two laminated lumbers 11 and 12 jointed by curing of the adhesive are brought into contact with a jointing metal hardware 13 and the projections 13a are pushed in the wooden parts of the upper and the lower faces of the jointing parts of the laminated lumbers 11 and 12.
Patent JP-H05315359-A (JP)
Title: Method and apparatus for forming thin film transistor constituting film
Inventor: SATO SHUNICHI
IPC: H01L21/336
Filed: 1992-05-06
Abstract: PURPOSE:To efficiently form three films formed continuously by a plasma CVD method of films for constituting a thin film transistor without defect such as a crack, etc. CONSTITUTION:A first film forming chamber 23, a second film forming chamber 24 and a third film forming chamber 25 for forming three films to be formed continuously by a plasma CVD method of films for constituting a thin film transistor are continuously disposed, and the three films are formed substantially at the same temperatures of a range of 250-300 deg.C by the chambers 23, 24, 25.