baber/WOPTO huggingface dataset:
Patent JP-S62222405-A (JP)
Title: Signal erasing device for rotary magnetic recording medium
Inventor: KAWAKAMI KAZUKUNI
IPC: G11B5/024
Filed: 1986-03-25
Abstract: PURPOSE:To perform a signal erasing with a high erasing ratio as well as simplify a circuit constitution, by performing a DC erasing with a long cycle period in comparison with a recording signal, using a switching pulse synchronized with the rotation of a rotary magnetic recording medium. CONSTITUTION:A magnetic disk 14 is loaded on the output shaft 12 of a motor 10 rotating at a constant speed and a magnetic head CH1 is connected slidably to the disk 14. The head CH1 is coupled with a recording amplifier 16, and a reproducing amplifier 18 selectively through a relay contact point (rec). Also, the output 24 of the amplifier 16 is connected to the output 28 of an erasing amplifier 26 through a capacitor C2, a variable resistor RX, a coil L, and a capacitor C3, and to the input of the amplifier 26, a switching pulse SWP is supplied. And a video signal RF supplied to the input 20 of the amplifier 26 is supplied to the head CH1, however, at such a time, the frequency of a recording current to be outputted from the output 24 of the amplifier 16 is set considerably higher than that of an erasing current IE from the amplifier 26. Also, the polarity of the erasing current IE is inverted with a cycle of 1-2sec, and also is reduced to a current value gradually.
Patent JP-H07280248-A (JP)
Title: Electromagnetic pump with liquid level detecting photoelectric sensor of fuel tank
Inventor: ABE SATOSHI
IPC: F23K5/04
Filed: 1994-04-01
Abstract: PURPOSE:To provide an electromagnetic pump having a photoelectric sensor in which mounting and wiring are effectively facilitated, and suction of fuel oil can be stopped when the oil is at a predetermined or lower level and which can be detachably provided at a fuel tank. CONSTITUTION:An upper part of a suction joint 9 of electric insulation synthetic resin molded integrally with an electromagnetic pump 1 for sucking fuel oil is olitightly fixed to an upper cover 7' of a fuel tank 7 as a mounting frame 9'. A sensor holder 3 for mounting a photoelectric sensor 2 for detecting a lower limit level of the oil is so fixed to a lower surface of the frame 9' as to be provided in parallel with a suction port 10 provided at a lower end of a suction joint 9. The pump 1 is fixed at its predetermined member to an upper part of the frame 9', and a terminal board 26 of a common connector for connecting an electric controller to an electromagnetic coil PC and an electric cable to the sensor 2 is also fixed to the frame 9'.
Patent JP-H06308643-A (JP)
Title: Photographic product composed of mixture of emulsions having different sensitivities
Inventor: RIYUKU RUNOO GUURAUUEN
IPC: G03C1/035
Filed: 1994-04-01
Abstract: PURPOSE: To provide a photographic product improved in sensitivity without enlarging particles. CONSTITUTION: The photographic product contains at least one layer of a photosensitive layer composed of a blended material of monodisperse emulsions containing at least one kind of a high sensitive emulsion and at least one kind of a low sensitive emulsion and (1) at least one of the emulsions constituting the blended material is a pure bromide emulsion, (2) the ratio of the high sensitive emulsion particles in the blended material is <50% and (3) the ratio of the low sensitive emulsion particles is higher than 20%.
Patent JP-S56160632-A (JP)
Title: System for finding fault in optical submarine cable
Inventor: TAKAHASHI MASAAKI
IPC: G01R31/08
Filed: 1980-05-16
Abstract: PURPOSE:To improve the accuracy of the fault finding effected by a DC resistance measurement performed when a fault such as disconnection of the cable or the like is occurred, by utilizing the cable structure. CONSTITUTION:Because a cable 32 has at least two kinds of metal portions which are insulated from each other, one of them is used as a feeder line, while the other is used as a resistance measuring line 35. The DC resistances for respective spans are to be Rl1 between a terminal station A and a m1 repeater, Rl2 between the m1 and m2 repeaters, and Rlmalpha>1 between the mm-1 and mm+alpha repeaters, and supporsed to concentrate on respective repeater parts 31. In this case, when there is a fault in the mm+1 span, the DC resistance measured from the side of the terminal station A is shown by the formula I. The ratio of the differences in the resistance values between the case where there is a fault in the repeating span adjacent thereto is shown by the formula II. If Rl1<Rl2<...Rlm, FR>1mm is established at arbitrary mm. Properly setting m1, m2..., Rl1, Rl2... permits FR to be set so as to be two or three times of 1/mm.
Patent JP-H05267287-A (JP)
Title: Manufacture of semiconductor device
IPC: H01L21/316
Filed: 1992-03-23
Abstract: PURPOSE:To form on a semiconductor surface an insulation film of good quality excellent in the resistance to hot carriers, by treating a semiconductor substrate in a compound containing carbon before a process for forming an oxide film by thermal oxidation of the surface of the semiconductor substrate, thereby reducing the interface level and fixed charge. CONSTITUTION:In a manufacture of a semiconductor device which includes a process for oxidizing the surface of a semiconductor substrate thereby to form an oxide film, the semiconductor substrate is treated in a compound containing carbon. For instance, if a thermal oxide film is formed on a silicon substrate, a washing with a chemical liquid is carried out as the prior art pretreatment before the oxidation. Then, the silicon substrate is dipped in a HF solution including a carbon dioxide gas. Next, the silicon substrate is thermally oxidized to form an oxide film to a thickness of 200 Angstrom . In this case, the measurement of the concentration distribution of carbon elements in the oxide film using SIMS provides a result as shown, for instance.
Patent JP-S51140639-A (JP)
Title: Refraction reflector
Inventor: SOEDA NORIHIKO
IPC: G02B5/124
Filed: 1975-05-29
Abstract: PURPOSE: To reduce a size of a reflector and facilitate its handling by shaping a surface of reflection in a sawtoothed shape. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H10252892-A (JP)
Title: Sealing structure of metal plate gasket
Inventor: KINOSHITA YUUICHI
IPC: F02F11/00
Filed: 1997-03-18
Abstract: PROBLEM TO BE SOLVED: To improve the sealing property by forming a contact part of a gasket into the surface contact structure that plural surfaces contact at the same time or a contact structure close to the surface contact. SOLUTION: In this sealing structure, chamfering is performed to an end of each surface to be sealed of two members so as to form first contact surfaces 12a, 12b, which are respectively expanded to a nearly V-shape, and while an end of a metal thin plate gasket is formed with an elastic seal part 14 having a cylindrical cross section at a dimension to be engaged with the first contact surfaces 12a, 12b. This seal part 14 is pushed for engagement with the V-shaped first contact surfaces 12a, 12b.
Patent JP-H02246030-A (JP)
Title: Optical information recording and reproducing device
Inventor: EMOTO MASAMI
IPC: G11B7/1381
Filed: 1989-03-17
Abstract: PURPOSE:To easily form fine spot light with simple constitution by arranging a prism which is symmetric with respect to an optical axis in the optical path of an optical system. CONSTITUTION:After light emitted from a semiconductor laser 1 is turned into the flux of nearly collimated beam of light by a collimator lens 2, it is transmitted through a polarized light beam splitter 3 and made incident on the prism 8. The prism 8 has structure obtained by arranging two parallelogrammatic prisms whose incident surface 8a and outgoing surface 8b are parallel so that they are axially symmetric(or rotationally symmetric) with an optical axis 7 as a center. The prism 8 is also arranged so that the side where the flux of light is made incident may be recessed. Therefore, the flux of the collimated beam of light 6 made incident on the prism 8 is separated to two fluxes of light 6a and 6b in parallel with the optical axis 7 by the action of the prism 8 to be projected. Then, as to the distribution of the intensity of all the fluxes of light projected from the prism 8, the intensity is higher on the peripheral part of the optical axis than on the optical axis 7 and the flux of light having such intensity is made incident on an objective lens 4. Thus, the light is condensed on the recording surface 5a of an optical information recording medium 5 as the fine spot light by the objective lens 4.
Patent JP-S57178571-A (JP)
Title: Picture information processor
Inventor: MICHIOKA KAZUTOSHI
IPC: G06T3/00
Filed: 1981-04-28
Abstract: PURPOSE:To read out and write a facsimile original at an optional position by making a character pattern under the centralized control of a computer coincident with a minimum unit shown by coordinates of the facsimile original. CONSTITUTION:An input and output command when arriving at a facsimile controller 13 through a system bus 15 is accepted by a microprocessor 32 to read a ''kanji'' (Chinese character) pattern, which is transferred to a buffer BUFII34. When the transfer of the data to the BUFII34 ends, a current COLUMN and a transfer COLUMN are compared with each other. When the both coincide with each other, 3-byte data is read out of the BUFII34 and then written in a BUFI34 according to a conversion rule. After this data transfer, the address is updated and next editing operation is held in readiness. When the result of the comparison does not show the coincidence, on the other hand, data 00 is written in the 3-byte BUFII34 and the value of the COLUMN is updated, thereby transferring the control to the processing of a next field.
Patent JP-S57179247-A (JP)
Title: Monoazo dye for polyester fiber
Inventor: IMAHORI SEIICHI
IPC: C09B29/033
Filed: 1981-04-28
Abstract: NEW MATERIAL:The compound of formulaI[X is H, chlorine, bromine,  methyl, nitro, or cyano; R is (substituted) alkyl, cyclohexyl or aryl; n is 1 or 2].  
     EXAMPLE: The compound of formula II.  
     USE: Dye for dyeing and orinting polyester fiber (blend) such as polyethylene terephthalate in greenish yellow color. It gives a dyed product having excellent color fastness to light, sublimation and water.  
     PROCESS: The objective compound can be prepared, e.g. by diazotizing the 3- aminopyridine compound of formula III, and coupling the resultant diazonium salt with the pyridine compound of formula IV (e.g. N-ethyl-3-cyano-4-methyl-6- hydroxypyridone). 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S62221580-A (JP)
Title: Recorder
Inventor: ASAKURA OSAMU
IPC: B41J2/325
Filed: 1986-03-24
Abstract: PURPOSE:To enable a peeling condition to be correctly controlled to permit an image recording to be sharply conducted on a body to be recorded in a color according to a bit of color information, by providing a slack prevention means preventing an ink sheet from slacking. CONSTITUTION:An ink ribbon 1 exposed outside a cassette case (c) is heated with a thermal head 25 heating according to a recording information. The ink ribbon 1 is, moreover, pressed against a roller 53b by a pressing spring 56 disposed in a lower cassette case 52. A tension spring 57 depresses the ink ribbon 1 in a direction of Arrow J to compensate a slack of the ink ribbon 1. Namely, the tension spring 57 disposed in the lower cassette case 52 is elastically depressing the ink ribbon 1 at the upstream side of rollers 53c, 53d (to the take-up direction of the ink ribbon 1). The shift of a peeling lever 58 displaces a peeling roller 54, which causes the ink ribbon 1 to follow another path. In this condition, even if a slack is generated in the ribbon 1, the slack can be rapidly absorbed by the elastic force of the tension spring.
Patent JP-H02243982-A (JP)
Title: Magnetic flux distribution measuring instrument
Inventor: YUYAMA JUNPEI
IPC: G01N27/72
Filed: 1989-03-17
Abstract: PURPOSE:To detect whether or not there is trapped magnetic flux and its position by providing a head which is suspended by a support mechanism capable of moving vertically on the surface of a superconductor and injecting fluid from an injection hole formed in the head. CONSTITUTION:While held at constant pressure and cooled almost to the temperature of liquid He 7, He gas supplied from a high pressure cylinder 3 is supplied to the head 1 and injected from its injection hole. The magnetic flux which is trapped by the superconductor 11 is sensed by a detection coil 8 and detected by a SQUID 10 through an input coil 9. The superconductor 11 moves up and down and rotates through a driving mechanism 12 and the coil 8 can moves to an optional position on the superconductor 11. The head 1 is fixed tightly in a direction along the surface of the superconductor 11 by a resistance which expands and contracts in the length direction of a supply pipe 21, but easily moves at right angles to the surface by the bending of the pipe 21. The head 1 is therefore held at constant height (interval) above the surface of an opposite superconductor 11 through the operation of the He gas which is injected from the injection hole.
Patent JP-H10244508-A (JP)
Title: Method and apparatus for detecting saddle binding fault book
Inventor: KAWANE KOJI
IPC: B27F7/02
Filed: 1997-03-03
Abstract: PROBLEM TO BE SOLVED: To enhance an accuracy of discovering a fault book by photographing a front surface of a saddle binding needle by a camera, and detecting a photographed image deviated from a reference image by a predetermined range as a saddle binding fault. SOLUTION: A camera 32 for photographing a hit saddle binding needle 24 is mounted at a downstream position of a saddle binding machine 22 in a feeding direction. The camera 32 is set to a center in a transfer unit 16 in the state that a lens is directed upward, and the needle 24 of a saddle binding book 10 transferred across the unit 16 is photographed from a front surface (below). As the camera 32, a digital still camera or a video camera for decomposing a photographed image into pixels and processing it by a computer is used. To photograph only at a moment of passing the book 10, it is necessary to switch a shutter. In this case, passage of the book 10 is detected by a sensor, and the shutter may be automatically opened by an automatic shutter. Or, a continuously photographing camera may be adopted.
Patent JP-S54157045-A (JP)
Title: Memory unit
Inventor: SHIBATA TOMOHITO
IPC: G11C29/00
Filed: 1978-05-31
Abstract: PURPOSE: To use a memory efficiently by adding an error correction code to changed data and writing data with the error correction code added in case that the read mode is switched to the write mode.  
     CONSTITUTION: Data and an error correction code for correcting the error of data are stored in addresses of memory 1, and the read mode and the write mode are controlled and are switched by timing circuit 3 and are designated during the address designation period. Then, during the period when the read mode is designated, read-out data is corrected on a basis of the error correction code by error correction circuit 7, and data with the error corrected is changed by read register 8. Then, the error correction code is added to this changed data, and data with the error correction code added is written by partial write circuit 5 in case that the read mode is switched to the write mode. As a result, the memory can be used efficiently. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H06275569-A (JP)
Title: Etching method of organic material film
Inventor: KIMURA YASUKI
IPC: H01L21/3065
Filed: 1993-03-24
Abstract: PURPOSE:To reduce the occurrence of undercuts even in an over-etched area by adding a gaseous hydrocarbon to the etching gas of O-reactive ion etching. CONSTITUTION:After forming a resist mask 64 containing silicon on an organic material film 62 on a silicon substrate 60, the substrate 60 is mounted on the lower electrode 30 of an RIE device. Then such a hydrocarbon gas as ethanol and O2 gas are supplied to a chamber 32 from mass flow controllers 48 and 50 while the chamber 32 is evacuated. In addition, while the O2 gas is supplied to the chamber 32 from the controller 50, an argon gas is also supplied to the chamber 32 from a separate gas system. It is preferable to control the supplying amount of ethanol to 10-40% of the total gas flow. Thereafter, a magnetic field is formed between an upper electrode 34 and the lower electrode 30 by using a magnet 40. Therefore, the occurrence of undercuts caused by over-etching can be suppressed even when the size of samples is increased.
Patent JP-S51141637-A (JP)
Title: Electrostatic charged image developing apparatus
Inventor: ISHIDA MASAMI
IPC: G03G15/09
Filed: 1975-06-01
Abstract: PURPOSE:To provide constant phase aberration to alternating current which excite each magnetic pole to form a shifting field, to form the smoke layer of developing agent particles which move in the direction opposite to the shifting field and to bring developed faces into contact with the smoke layer to provide better image developing.
Patent JP-S56160763-A (JP)
Title: Alkaline battery
Inventor: NAGAMINE AKIO
IPC: H01M50/489
Filed: 1980-05-16
Abstract: PURPOSE:To stabilize the contact between a separtor and a positive mixture, by using as a separator a grafted polyethylene film which shrinks from its periphery. CONSTITUTION:A positive mixture 2 made of silver oxide is packed into a metal case 1 also serving as a positive terminal. A separator 3, an electrolyte holding terminal 4, and a gel-like negative agent 5 made of zinc powder are placed over the  positive mixture 2, in that order. After that, a metal sealing plate 7 also serving as  a negative terminal is placed on the negative agent 5, with an insulating gasket 6  interposed between the case 1 and the plate 7, to seal the battery, thus an alkaline  battery being constituted. The separator 3 is made of a polyethylene film prepared  by subjecting acrylic acid or methacrylic acid to graft-polymerization. The separator  3 is formed so that it shrinks from its periphery when immersed in an alkaline electrolyte. The shrinkage rate of the separator 3 is preferably below 15%.
Patent JP-H06281780-A (JP)
Title: Method for manufacturing liner block in reactor container
Inventor: MOTOKUNI KATSUMASA
IPC: G21C13/00
Filed: 1993-03-25
Abstract: PURPOSE:To provide a method for manufacturing a liner block in a reactor container which facilitates the manufacture of a liner block in itself and the welding work to add more blocks for the purpose of the construction of a liner. CONSTITUTION:A stand 3 is equipped with a jig 1 for forming a cylindrical surface describing a convex arc of a certain curvature on the upper side. A rectangular flat steel sheet is put on the jig 1 of the stand 3. In order to form the main body of a liner 4, the steel sheet is curved to incorporate it into a cylindrical surface along the arc of the jig 1. T-cut steels 5 are welded along the direction of the general line on the outer surface of the main body of the curved liner 4, and a ring-shaped flat bar 6 is welded along the circumferential direction of the outer surface. In addition, a liner flange 9 is welded to bridge the edge side of the main body of the liner 4 and that of T-cut steels 5 in the vicinity of it.
Patent JP-S52149308-A (JP)
Title: Revolving field type direct current motor
Inventor: SAKAMOTO KUNIO
IPC: H02K23/62
Filed: 1976-06-05
Abstract: PURPOSE: To facilitate manufacturing of small machine, by simlifying structure of current supplying part among commutator piece and revolving shaft. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H05270679-A (JP)
Title: Paper feeding device
IPC: B65H3/46
Filed: 1992-03-24
Abstract: PURPOSE:To provide a paper feeding device, capable of feeding specific sheets too, simple and excellent in operability in the paper feeding device using a corner nail separation method, by providing a specific-sheet paper-feeding unit, for paper-feeding specific sheets, having a gate separation part in a cassette main body above a bottom plate. CONSTITUTION:In a specific-sheet paper-feeding unit 15, the followings are constituted in one part: a side plate part 15a, to which a fixing part and a protruded part 15e for detecting a sheet size are fitted; a top plate part 15b, a part of which has a supporting point part 15f, thin in wall thickness; and a gate separation part 15c, for separating specific sheets. At the time of feeding the specific sheets, the unit 15 is fixed to a paper-feeding cassette 8 with the side plate part 15a. The specific sheets are supplied from paper-feeding space 15d in the rear, and are inserted in a main body. Concurrently the specific sheets are pressurized with a bottom plate and a pressurizing spring, that is, a pressurizing device, and are fed with paper-feeding rollers 9. Then the specific sheets are separated with the gate separation part 15c in the front to be fed in a register roller 11, completing a paper feeding action.
Patent JP-S61223835-A (JP)
Title: Silver halide photographic sensitive material
Inventor: UKAI TOSHINAO
IPC: G03C1/28
Filed: 1985-03-29
Abstract: PURPOSE:To improve photosensitivity by forming a silver halide emulsion layer contg. at least one specified sensitizing dye and at least one other compd.. CONSTITUTION:At least one silver halide emulsion layer contains at least one sensitizing dye represented by formula (I), L being optionally substd. methine, R1, R2 being optionally substd. alkyl, optionally same or different, Z, Z' are each a nonmetallic atomic group necessary to form a 5- or 6- membered ring, optionally same or different, and X- being an anion and at least one compd. represented by formula (II), A being a divalent aromatic residue, and R11-R14 being H, OH, alkyl, alkoxy, aryloxy, or the like. Said dye of formula (I) can be dispersed directly into the emulsion, and it can be dissolved in a proper solvent, such as methanol, and added in the emulsion in the form of the soln.. The compd. of formula (II) is added in an amt. of 0.01-5g per mol of silver halide in the emulsion.
Patent JP-H09254070-A (JP)
Title: Electronic part conveying chuck
Inventor: ONUMA KIYOSHI
IPC: H05K13/04
Filed: 1996-03-22
Abstract: PROBLEM TO BE SOLVED: To provide an electronic part conveying chuck, which can hold an electronic part (special form part) difficult to be suction conveyed by a vacuum sucker nozzle without obstructing picture treating, which can be mounted in a socked of a conveying robot to be replaced with the vacuum sucker nozzle. SOLUTION: In a vacuum sucker nozzle mounting-fitted to socket 11 of a conveying robot, a piston 3 and a piston restoring spring 4 are provide, a right angle L-shaped pawl 6 is supported with its short side rotatable to a pair of hinge pins 5 provided in a free end part of the vacuum sucker nozzle. Further, in an end part opposed to the pawl 6 of the piston 3, an engaging pin 8, engaged with an engaging hole 7 formed in the short side of the pawl 6, is provided.