baber/WOPTO huggingface dataset:
Patent JP-H10335722-A (JP)
Title: Light amplifier
Inventor: KADOI MOTOTAKA
IPC: H01S3/06
Filed: 1997-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a light amplifier in the least fluctuation in gain characteristics due to the temperature fluctuation even in low power consumption. SOLUTION: In a light amplifier, an EDF(erbium doped fiber) 21, WDM (wavelength divided multiple) coupler 41, an optical isolator, an optical attenuator 61, an EDF 22, another EDF 23, another WDM coupler 51 and a signal light output branch coupler 53 are cascade arranged in this order. The temperature of the EDFs 21-23 is detected by a thermistor 31 and a control circuit 71 to output the control signals corresponding to the temperatures out of the control circuit 71 for controlling the transmission characteristics of the variable light attenuator 61. In such a constitution, the gain in light amplifier is integrated with the gain in the EDFs 21-23 and the transmission loss in the variable light attenuator 61, thereby enabling the fluctuation in the integrated gain due to the fluctuation in the temperature to be alleviated.
Patent JP-S5838100-A (JP)
Inventor: TOOMASU JIEI REEN
IPC: H04R9/02
Filed: 1982-08-12
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S6033045-A (JP)
Title: Quantitative determination of metallic ion in electroplating liquid
Inventor: KURAYASU HIROFUMI
IPC: G01N27/48
Filed: 1983-08-02
Abstract: PURPOSE:To measure quickly Pb<2+>, Sn<2+>, Sn<4+> in an electroplating liquid with good accuracy by making use of the phenomenon that Sn<4+> does not disturb the quantitative determination of Pb<2+> and Sn<2+> in a phosphoric acid soln. and that Pb<2+> does not disturb the quantitative determination of Sn<2+> and Sn<4+> in a pyrogallol soln. CONSTITUTION:A fixed amt. of an electroplating liquid sample is drawn and is heated for about 15min at 90 deg.C. H2O2 is added thereto to oxidize all the Sn in the sample to Sn<4+>, then an ascorbic acis is added thereto to reduce the Fe<3+> in the sample and thereafter a phosphoric acid is added to the sample and the concn. of Pb<2+> is known by using a calibration curve from the Pb<2+> peak. A fixed amt. of the sample is added to the ascorbid acid to reduce Fe<3+> and thereafter a phosphoric acid is added thereto. The concn. of Sn<2+> is known by using the calibration curve from the peak height obtd. by subtracting the Pb<2+> component determined previously from the peak height of Sn<2+>+ Pb<2+>. A fixed amt. of the sample is added to the ascorbic acid to reduce Fe<3+> and thereafter Sn<2+> is made Sn<4+> by the soln. prepd. by adding HClO4 to pyrogallol and the peak which is the sum of Sn<4+> existing in the sample and Sn<4+> from Sn<2+> is determined. The peak for the above-described Sn<2+> component is subtracted therefrom and the concn. of Sn<4+> is known.
Patent JP-H11329406-A (JP)
Title: Rectangular sealed storage battery
Inventor: NAGAI TATSU
IPC: H01M2/34
Filed: 1998-05-22
Abstract: PROBLEM TO BE SOLVED: To obtain a rectangular sealed storage battery equipped with an inexpensive and high-reliability electric conductive line breaking mechanism. SOLUTION: This is such a rectangular sealed storage battery that an aluminum plate or an aluminum clad plate is used for a lid plate, sealing a battery case 1 and an opening of the battery case 1. In this case, a mechanism for breaking an electric conductive line is installed by utilizing deformation of the side of the battery case 1. As an electric conductive line which can be broken by utilizing deformation of the side of the battery case 1 as mentioned above, an electric conductive line, formed by fixing a lead 11 on the side of the battery case 1 through an insulator 12 and by contacting the end of the lead 11 to the side of the battery case 1, or an electric conductive line, formed by covering the circumference of the battery case 1 with a plastic case and by contacting one end of the lead 11 to the side of the battery case 1 inside the plastic case and by drawing out the other end of the lead 11 to the outside of the plastic case, is preferable.
Patent JP-S6120479-A (JP)
Title: Suprevisory system
Inventor: KOBAYASHI TOSHIYUKI
IPC: H04N7/18
Filed: 1984-07-09
Abstract: PURPOSE:To enable to making out occurrence or abnormal phenomenon instantly by outputting a signal of still picture that displays occurence of abnormal phenomenon detected by an abnormal phenomenon detecting device as character information, and displaying occurrence of abnormal phenomenon in a monitor television as character information in a control station provided in the area side to be supervised. CONSTITUTION:When an alarm signal is given, the device which is out of order is indicated in an alarm supervisory display board 13. A television camera 14 that self travels on the display face of the alarm supervisory display board 13 is provided. Output video signals of the television camera 14 are led to a still picture transmitting device 17 through a transmitting device and camera control section 15 and a CPU16. The still picture transmitting device 17 transmits received still picture signals to a control station 100 through a transmission line 18. The control station 100 receives transmitted still picture signals by a monitor television 102 through a still picture transmission level detector 101, and the display face of the alarm supervisory display board 13 is displayed in the monitor television 102 as video.
Patent JP-H04341005-A (JP)
Title: Surface acoustic wave element using diamond film
Inventor: NAKAYAMA MASATOSHI
IPC: H03H9/25
Filed: 1991-05-17
Abstract: PURPOSE:To improve the orientation and smoothness of a piezoelectric film and to realize the surface acoustic wave element compatible with a high frequency with excellent mechanical strength by selecting a specific Vickers hardness for the diamond film when a diamond layer, a piezoelectric layer and an electrode layer form the surface acoustic wave element. CONSTITUTION:A diamond layer 2 including carbon as a major component and including hydrogen as a trace impurity by the ion vapor-deposition method and a piezoelectric layer 3 made of ZnO, AlN, LiNbO3 or the like and an electrode 4 made of Au or the like are laminated on a substrate 1 made of glass and alumina. Thus, the film strength is sufficiently high, the close adhesion to the substrate 1 is excellent, and the smoothness is high, then the layer 2 with an excellent C axis orientation and high refractive index is obtained and the element with high performance at a high sound speed is obtained. The Vickers hardness of the diamond layer is specified to 6500-9000kb/mm<2> while varying the current.
Patent JP-H04339962-A (JP)
Title: Fixture for corner
Inventor: MORIWAKI KENJI
IPC: E04G17/00
Filed: 1991-05-15
Abstract: PURPOSE:To prevent protruding parts of a frame from departing by use of a lateral support set at the frame and furnish a fixture forming accurate corners, in which the fixing strength thereof can be adjusted even after equipping. CONSTITUTION:A fixture comprises two fixing parts 2 holding lateral supports, by putting over both of them crossing at the protruding part, and a connection bar 3 jointing them. The active length of the connection bar 3 can be changed and fixed and further, the fixing strength of frame can be strengthen by change of the length after setting the fixture.
Patent JP-H09301934-A (JP)
Title: High molecular weight aromatic amine compound and hole-transporting material
Inventor: KIDO JUNJI
IPC: C07C217/92
Filed: 1996-05-10
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound comprising a new type star-burst type amine compound expressed by a specific formula and useful in an electronic part field as a hole-transporting material for EL elements. SOLUTION: This compound is expressed by formula I [Q<1> is a (substituted) aryl, a group of formula II; Q<2> -Q<5> are each a (substituted) aryl; R<1> -R<13> are each H, a lower alkyl, a lower alkoxy]. The compound is preferably obtained e.g. by reacting N,N'-diphenyl-1,1'-biphenyl-4,4'-diamine of formula III with a 1- halogeno-4-nitrobenzene of formula IV (X is a halogen), reacting the obtained diamine with an aryl halide, reducing the reaction product, and subsequently reacting the reaction product with a benzene halide.
Patent JP-H07325112-A (JP)
Title: Load current detecting circuit
Inventor: KANO HIROYUKI
IPC: G01R19/00
Filed: 1994-05-31
Abstract: PURPOSE:To obtain a load current detecting circuit having a simple structure at low cost in which no spike noise is generated at the time of switching each switch and the range for switching the current detection sensitivity can be widened without increasing the number of DAC. CONSTITUTION:First and second current detection resistors 20, 22 are connected in series between an operational amplifier 18 and a load 24. A switch 26 is connected across one resistor and the load voltage is detected through a voltage detector 32. Output voltage from a DAC 36 is then controlled to feed a load with a voltage identical to a detected voltage. Subsequently, a switch 40 is turned ON and an FET is gradually turned ON. Thereafter, the output voltage from the DAC 36 is decreased and the voltages across the first and second resistors 20, 22 are brought to zero. Finally, the switch 26 is turned ON to switch the current detection resistor.
Patent JP-S5265595-A (JP)
Title: Preparation of graft copolymers
Inventor: OOYA MASAKI
IPC: C08F279/02
Filed: 1975-11-27
Abstract: PURPOSE: To prepare a graft copolymer suitable for use in packaging, etc., with improved impact resistance and thermal stability, and low gas permeability, by two-step graft copolymerization to decrease the difference in compatibility between the backbone polymer and the grafting component. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H05334313-A (JP)
Title: Day's program calculation system using offset
Inventor: SHIKAMATA TOSHINOBU
IPC: G06Q10/08
Filed: 1992-06-02
Abstract: PURPOSE:To facilitate a day's program calculating process by seizing the lead time of an item which has a confluence process as the total lead time including the lead time of a confluence item of low order. CONSTITUTION:This system consists of lead time storage parts 1A-1C storing the respective lead times of a master item, a 1st confluence item, and a 2nd confluence item, forward offset storage parts 2A and 2B storing the forward offsets of the master item and confluence item 1, backward offset storage parts 3A and 3B storing the backward offsets of the 1st confluence item and 2nd confluence item, a total lead time storage part 4 storing the total lead time, and a day's program calculating device 5 which calculates a day's program on the basis of the values in the respective storage parts.
Patent JP-H07332412-A (JP)
Title: Disc brake
Inventor: SATO TOMOJI
IPC: F16D65/095
Filed: 1994-05-31
Abstract: PURPOSE:To simplify processing of a plug to be assembled in a caliper, facilitate assembling of the plug to the caliper, reduce a manufacturing cost, and improve assembling operability. CONSTITUTION:An outer peripheral diameter of a plug 13 is the same as that of a screw part 7b of a pad pin 7. The plug 13 is screwed with a screw hole 6b, and in close contact with an end face of the screw part 7b, for preventing loosening the pad pin 7. A fitting hole 13a for a fastening tool having true hexagon at section is formed on an outer end face of the plug 13. A columnar projection 13b which is formed on an inner end face of the plug 13 is capable of rotating and being inserted inside a recession 7c. The fitting hole 13a and the projection 13b are prepared simultaneously by cold forging, and have substantially the same volume.
Patent JP-S58108763-A (JP)
Inventor: JIEIMUSU JIEI DEKATEISU
IPC: H01C17/242
Filed: 1982-08-16
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H10333692-A (JP)
Title: Phonemic table, voice recognizing method, and recording medium in which voice recognizing program has been stored
Inventor: HIGASHIDA MASANOBU
IPC: G10L15/18
Filed: 1997-05-30
Abstract: PROBLEM TO BE SOLVED: To reduce the storage capacity and shorten the processing time. SOLUTION: Standard phonemic patterns about two syllables of various voices are stored in a table 2 to measure the time span from input voices for their two beats (5), expand the input voices for the span to correspond to a standard pattern time (6), convert the input voices into feature amount of input patterns (7), subdivide the input patterns for every standard time (10), collate each subdivided pattern to the table 2 for making a phonemic lattice formed with similar candidates and similarities (11), combine higher similarities in sequence in accordance with the phonemic lattice for making phonemic systems (12) and collate each system to a word dictionary 3 described in the phonemic system for recognizing words.
Patent JP-H08312666-A (JP)
Title: Boot for constant velocity universal joint with adapter
Inventor: KONISHI SATORU
IPC: F16D3/84
Filed: 1995-05-17
Abstract: PURPOSE: To prevent the generation of excessive elongation stress and a compression force on a bellow and to prevent the occurrence of a twist. CONSTITUTION: In a boot for a constant velocity universal joint with an adapter comprising a bellow 20 having one end fixed to the drive shaft 14 of a constant velocity universal joint 10; and an adapter 18 fixed at the outer ring 12a of the constant velocity universal joint 10 holding the other end of the bellow 20 and having one end fixed to the outer ring 12a of the constant velocity universal joint 10, the adapter 18 comprises two members of one being a fixed adapter 22 attached to the outer ring 12a; and a moving adapter 24 having one end to hold the other end of the bellow 20. The fixed adapter 22 and the moving adapter 24 are relatively axially slidable and the moving adapter is locked to the fixed adapter when it is slid by a specified amount and further axial movement of the moving adapter is prevented and relatively peripherally rotatably engaged.
Patent JP-S6478489-A (JP)
Title: Nonvolatile memory device
Inventor: ARAKAWA HIDEKI
IPC: G11C14/00
Filed: 1987-06-08
Abstract: PURPOSE:To reduce an area occupied by a memory cell and to upgrade the degree of circuit integration by decreasing the number of capacitors formed in a nonvolatile memory cell part. CONSTITUTION:A memory cell is provided with a volatile memory cell part 1 and a nonvolatile memory cell part 2; the part 1 is a cell of flip-flop constitution similar to an SRAM device with which a read/write of data is achieved between bit lines BL through transfer gate transistors Q5, Q6. The part 2 is provided with a recall transistor QR,, a memory transistor QM, and a capacitor circuit FC, and the number of the capacitors forming this nonvolatile memory cell part is reduced to one which is Cf. This means that the voltage resistance of a memory cell does not need to be made very high. As a result, the area occupied by the cell comes smaller, and the high degree of circuit integration can be enabled.
Patent JP-H06331448-A (JP)
Title: Peak radiation thermometer
Inventor: TATEYAMA MASAHARU
IPC: G01J5/00
Filed: 1993-05-20
Abstract: PURPOSE:To exactly measure a temperature of a measuring object which dynamically varies position, size, shape, etc., by digitizing luminance signals obtained by an infrared camera which measures a two-dimensional temperature distribution or radiation luminance distribution. CONSTITUTION:A two-dimensional radiation distribution signal outputted from an infrared camera 1 is separated by a synchronous separation circuit 2 into a luminance signal and a synchronous signal 13, and the luminance signal is A/D converted 3. The digitized luminance signal is compared by a window comparator 5 with a high luminance side threshold value equivalent to the maximum temperature of the measuring object and a low luminance side threshold value equivalent to the minimum temperature: if it is between both values, an effective signal is turned on. A histogram counter 7 counts the number of pixels every luminance value to determine the average value, maximum value, and minimum value of a luminance signal digitized while the effective signal keeps on. A computer 8 reads this pixel count, calculates temperatures to determine average, maximum, and minimum luminances, and then outputs them through a D/A converter 11.
Patent JP-S6121316-A (JP)
Inventor: HARA KUNIO
IPC: B65B13/24
Filed: 1984-07-10
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S5843680-A (JP)
Title: Electronic static picture image recording and reproducing device
Inventor: TAKAHASHI TADASHI
IPC: G11B25/04
Filed: 1981-09-08
Abstract: PURPOSE:To obtain a device which is high in its volumetric efficiency in case of storage, and excellent in its optional read-out property, and also to easily reproduce a picture continuously and repeatedly, by providing such a constitution as a magnetic sheet is used by bending its recording part into the shape nearly forming a part of a cylinder. CONSTITUTION:An image of an object to be photographed is made to form an image at a prescribed position by an optical lens system, an obtained optical image is subjected to image pickup as a static picture image corresponding to one picture by a two-dimensional CCD image sensor, and this information is held for a prescribed time. Subsequently, by an output of this sensor, a magnetic sheet 8 executes analog recording, bends a recording part of the sheet 8 in the shape nearly forming a part of a cylinder, and holds it by a sheet guide 3. Also, recording and reproducing magnetic heads 9, 10 which rotate, contacting with the curved magnetic recording surface of the sheet 8 are provided, and movement and positioning of these heads 9, 10 are executed by a spline shaft 12, etc.
Patent JP-H05335699-A (JP)
Title: Metallic-base wiring board
Inventor: MURAKAMI HISAO
IPC: H05K3/34
Filed: 1992-06-02
Abstract: PURPOSE:To improve the lead parts mounting efficiency of the title wiring board by opening planned lead wire sections through a metallic plate by etching after metallic foil is integrally stuck to one surface of the metallic plate with a resin layer in between. CONSTITUTION:Aluminum, iron, etc., their alloys, or their composite materials can be used for the metallic plate of the title wiring board and the roughness or interlayer adhesion of the surface of the metallic plate can be increased through a physical or chemical process. A phenolic, cresylic, or melamine resin can be used for the resin layer of the wiring board. In addition, copper, aluminum, or nickel foil having a thickness of 0.018-0.07mm can be used as the metallic foil of the wiring board and presses, rolls, etc., can be used as an integrating means when the means can unite the plate, layer, and foil in one body. The title wiring board is obtained by opening planned lead wire sections through the metallic plate by etching after integration. Therefore, the lead parts mounting efficiency of the wiring board can be improved.
Patent JP-H07308855-A (JP)
Title: Lapping method and lapping surface plate
Inventor: KANDA YOSHITADA
IPC: B24B37/08
Filed: 1995-06-08
Abstract: PURPOSE:To make possible accurate correction of a lapping surface plate and highly precised polishing of a workpiece. CONSTITUTION:In a lapping surface plate, which is provided with a carrier 20 making rotations and also revolutions by engaging with and interposing between a solar gear 16 and an internal gear 18 which are respectively rotatable in the identical direction, and which is made by pressing a workpiece supported by the carrier 20 with the upper and lower rotatable lapping surface plates 12, 14, angular velocity of the solar gear 16 is larger than that of the internal gear 18 and a changeover means for changing the angular velocity of the solar gear 16 to a plurality of steps under this condition, is provided. A converter for rotating velocity of the solar gear 16 and the internal gear 18, of which angular velocity of the internal gear 18 is larger than that of the solar gear 16, and which is provided with a changeover means for rotating velocity of the solar gear 16 and the internal gear 18 under this condition, is also provided.
Patent JP-S6121398-A (JP)
Inventor: INABA HIROYA
IPC: B67D7/72
Filed: 1984-07-09
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H038637-A (JP)
Title: Recording paper moisture preventing device for copying machine or the like
Inventor: MASUDA TAKASHI
IPC: B65H3/46
Filed: 1989-06-01
Abstract: PURPOSE:To prevent curling of recording papers contained in a supply paper cassette or tray of a copying machine, and eliminate occurrence of jam, etc., in paper supply to the copying machine by disposing a moisture-proof sheet tightly in contact at the uppermost surface of the recording papers contained in the supply paper cassette, etc. CONSTITUTION:Lateral width regulation plates 11, 11 and a rear end regulation plate 12 are fixed in a cassette main body 10 of a supply paper cassette corresponding to the size of recording papers to be contained. The recording papers P are applied to the inner surface of the lateral width regulation plates 11, 11, the inner surface of the rear end regulation plate 12, and the forward inner surface 10A of the cassette main body 10 to be regulated and positioned. A moisture-proof sheet 20 is put tightly in contact at the uppermost surface of the recording papers P. The lateral width of the moisture-proof sheet 20 is similar to the lateral width of the recording papers P, and is applied to the inner side surface of the lateral width regulation plates 11 to be regulated for the lateral position.
Patent JP-S6032789-A (JP)
Title: Preparation of yohimbones
Inventor: NINOMIYA KAZUYA
IPC: B01J23/40
Filed: 1983-08-04
Abstract: PURPOSE:To obtain the titled compound useful as a steroselective ysnthetic intermediate for yohimbane alkaloid simply ih high yield, by reacting 19,20-dehydroyohimbanone with an organic acid under heating, and, reducing the reaction product, if necessary. CONSTITUTION:19,20-Dehydroyohimbanone is reacted with an organic acid (e.g., tartaric acid, etc.) having one or more acid groups with about 3PKa in a solvent under heating at 30-120 deg.C. The prepared dehydroyohimbone shown by the formula (double bond at 19 and 19 positions) is optionally catalytically reduced in the presence of a catalyst of Pd-C to give yohimbone shown by the formula (single bond at 18 and 19 positions).
Patent JP-S647478-A (JP)
Title: Airtightly enclosed nickel-cadmium cell
Inventor: KURAUSU FUON BENDA
IPC: H01M50/119
Filed: 1988-06-10
Abstract: PURPOSE: To increase the wear rate of oxygen in order to prevent positive pressure from being formed in a battery by keeping the partial pressure of nonreact gas at 0.4bar in the battery. CONSTITUTION: When the partial pressure of nonreactive gas is kept at 0.4bar or less in a battery, positive pressure does not occur in an operative condition, even if a large charge current flows therein. Such a battery may have a case formed of plastic in an angularly cylindrical or a flat structure, if possible. The airtight case made of plastic has a nitrogen diffusion preventing layer at least over 85% of the surface, which is formed of metal, and it is particularly preferably that the metal foil to adhere a metal layer thereto. The metal which is suitable for metal coating is for example aluminum, steel, zinc, nickel, copper or etc. In this way, a specially light case can be assembled.