baber/WOPTO huggingface dataset:
Patent JP-2001190964-A (JP)
Title: Photocatalyst, its production method, and its use method
Inventor: TAJI KAZUYUKI
IPC: C01B3/04
Filed: 2000-01-06
Abstract: PROBLEM TO BE SOLVED: To provide a new photocatalyst which has high activity and a long life and is nonpoisonous and inexpensive, its production method, and a method for decomposing hydrogen sulfide into hydrogen and sulfur by using it. SOLUTION: The photocatalyst, a layer of zinc sulfide fine particles, has a shell 1 of a layer of zinc sulfide(ZnS) fine particles 5-10 mn in particle size and a cavity 2, and the shell 1 has holes 3. The layer of zinc sulfide has a shell reflecting the shape of zinc oxide particles of the raw material. In the photocatalyst, the ratio of zinc and sulfur changes along the thickness of the layer. An electric field is generated along the layer thickness to reduce the recombination between a free electron and a free hole which are generated by being exposed to light and also the recombination between an oxidation product and a reduction product, creating the high activity of the catalyst.
Patent JP-2001195827-A (JP)
Title: Method and device for recording data and data recording and reproducing system
Inventor: CHIAKI SUSUMU
IPC: G06F21/62
Filed: 2000-01-12
Abstract: PROBLEM TO BE SOLVED: To ensure effective copying protection even if the signals transmitted between a data processor and a disk recording and reproducing device are monitored. SOLUTION: Intrinsic recording IDs are formed at every recording in a recording ID forming section 20 of the disk recording and reproducing device 10. These recording IDs are sent to an encryption section 102 of a data processor where user data is encrypted. The encrypted user data is sent through I/Fs 101 and 19 to the disk recording and reproducing device 10 where the data is recorded together with the recording IDs on a disk 30.
Patent JP-2001196860-A (JP)
Title: Voltage controlled oscillator
Inventor: SUZUKI KAZUOKI
IPC: H03B5/32
Filed: 2000-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a voltage controlled oscillator where the modulation of frequency modulation is nearly constant (the variation of the modulating degree of the frequency variation is small) even if an oscillation frequency is varied. SOLUTION: The cathode of a varactor 1 is connected with that of a varactor 3 through a resistor 7, the cathode of the diode 1 is connected with a modulation input terminal 21 through a capacitor 7. By this connection, the control of the oscillation frequency performed by serial circuits 31 and 32 and the variation of modulation sensitivity by the frequency modulation (the modulation sensitivity is increased when the oscillation frequency is high) are cancelled by the control of the oscillation frequency performed by the circuits 31 and 33 and the variation of modulation sensitivity by the frequency modulation (the modulation sensitivity is reduced when the oscillation frequency is high).
Patent JP-2001199115-A (JP)
Title: Twin thermal printer
Inventor: OBUCHI TATSUYA
IPC: B41J21/00
Filed: 2000-01-20
Abstract: PROBLEM TO BE SOLVED: To solve the problem of conventional twin thermal printers that the width of a print sheet is fixed because only one drive roller and motor are employed and the guide part of a sheet feed mechanism is fixed and the print speed must be equalized in two systems. SOLUTION: The twin thermal printer comprises two platen rollers (2a, 2b) juxtaposed oppositely to one thermal head (3) on the same axis and supported to turn independently, means (9a, 9b) for feeding heat sensitive sheets inserted between these platen rollers and the thermal head independently, and a movable frame (20) fixed slidably in the axial direction of the platen roller while holding the thermal head.
Patent JP-2001201732-A (JP)
Title: Liquid crystal display device
Inventor: UCHIYAMA YUJI
IPC: G02F1/133
Filed: 2000-01-21
Abstract: PROBLEM TO BE SOLVED: To make free from flicker and long in the life of a liquid crystal in a liquid crystal display device provided with an active matrix type liquid crystal display element. SOLUTION: This liquid crystal display device provided with the active matrix type liquid crystal element and generating a displaying image signal for driving the active matrix type liquid crystal element from an input image signal is provided with a first LUT circuit 12 for applying a gray scale correction processing to the input image signal by using a correction curve for positive period of the modulation factor versus applied voltage characteristic of the active matrix type liquid crystal device, a second LUT circuit 13 for applying the gray scale correction processing to the input image signal by using the correction curve for negative period,  a 2 to 1 multiplexer 16 selecting the output signal of the first LUT circuit 12 and the reverse output signal of the second LUT circuit 13 to a polarity switch signal and a push-pull circuit 18 generating the displaying image signal from the output signal of the multiplexer 16.
Patent JP-2001210216-A (JP)
Title: Circuit breaker
Inventor: SHIRAISHI KATSUHIKO
IPC: H01H73/18
Filed: 2000-01-27
Abstract: PROBLEM TO BE SOLVED: To improve current breaking performance by preventing suppression in switch opening speed of a movable contact table during switch opening operation of a breaker. SOLUTION: The circuit breaker comprises a fixed contact table having fixed contacts and a movable contact table having movable contacts, and a switching mechanism in which the movable contact table is biased to a switch opening position where the movable contacts are contacted with the fixed contacts, and the movable contact table is biased to a switch closing position where the movable contacts are not contacted with the fixed contacts by a rotation driving force transferring mechanism that transfers operation force of an operation laver and rotatably derives the movable contact table.  The movable contact table is provided with a movable contact table driving spring, and the movable contact table driving spring biases the movable contact table to the switch-closing position when the movable contact table is in the vicinity of the switch closing position and the movable contact table to the switch opening position when the movable contact table is in the vicinity of the switch opening position.
Patent JP-2001217120-A (JP)
Title: Laminated electromagnet
Inventor: SAKAGAMI TAKASHI
IPC: H01F27/245
Filed: 2000-01-31
Abstract: PROBLEM TO BE SOLVED: To make a laminated electromagnet compact for an accelerator and medical equipment at cost lower than actual conditions, and to further improve performance. SOLUTION: In the laminated electromagnet with a yoke 10, in which sheet- shaped iron cores 14 are laminated and both sides of the iron cores are pinched by end plates and laminating pressure is applied, the end plates 30 are formed by laminating and bonding the iron cores.
Patent JP-2001213080-A (JP)
Title: Flat file
Inventor: TANABE TOMOHIKO
IPC: B42F13/06
Filed: 2000-02-01
Abstract: PROBLEM TO BE SOLVED: To allow a part pressed by a pressing frame to be observed by facilitating a hand turning-over operation of a bound sheet group by fastening the frame to a cover and deforming the group in an arch-like state, in a flat file for fixedly the sheets by pinching them with the frame and a binding cover. SOLUTION: A pair of upper and lower fastening holes 20 are provided at the cover 3 of a binding cover 1. The retaining frame 8 is disposed at a leading end side of a binding piece 7, and the piece 7 is fixed to the frame 8 by a clamp piece 9. The frame 8 is inverted front rear side. Then, its frame end is inserted at each one side to a fastening hole 20, and the overall frame 8 is fastened to the cover 3. In this state, since the piece 7 is curved and deformed in the arch-like state, the sheets P can be easily hand-turned over similarly to a ring file.
Patent JP-2001214978-A (JP)
Title: Gland packing made of expanded graphite and forming cord for use in the same
Inventor: TANAKA AKIRA
IPC: D02G3/04
Filed: 2000-02-03
Abstract: PROBLEM TO BE SOLVED: To ensure a stable friction reducing effect for a long period. SOLUTION: A core 4 comprising a lamination of a plurality of expanded graphite tapes 1 is covered over the surface with yarn 5 of an ultrafine fluoro- resin fiber of braid-over-braid construction to form a bar 6. The bar is cut into a prescribed length and press-molded into a ring, which forms expanded graphite gland packing 8.
Patent JP-2000169935-A (JP)
Title: High strength hot rolled steel sheet good in shape fixability and excellent in formability
Inventor: TOYODA TETSUO
IPC: C22C38/58
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a high strength hot rolled steel sheet having a balance of strength-elongation above that of the conventional steel sheet, having excellent stretch-flange properties as well and moreover provided with good shape fixability. SOLUTION: This steel sheet is the one having a compsn. contg., by weight, 0.05 to 0.15% C, 0.5 to 2.0% Si, 0.5 to 2.0% Mn, <=0.05% P, <=0.010% S, 0.005 to <0.10% Al, and the balance Fe with inevitable impurities and having a microstructure essentially consisting of the three phases of ferrite, retained austenite and bainite, in which the ferrite content V (F) is 60 to 95 area %, the retained austenite content V (γ) is 3 to 15 vol.%, the bainite content V (B) satisfies V (B)>1.5×V (γ) by an area ratio, also, the average hardness of the bainite is 240 to 400 Hv, and the average grain size of the ferrite is >5.0 μm.
Patent JP-2001211713-A (JP)
Title: Vegetable transplanter
Inventor: TAKEYAMA TOMOHIRO
IPC: A01C11/02
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To maintain planting depth constant regardless of the slope of ridge surface in a vegetable transplanter for multiple row for taking out a seedling from a seedling placing stand by a taking out tine, transferring the seedling to a seedling planting tine and planting the seedling in a field. SOLUTION: This vegetable transplanter is equipped with a ridge sensor (92) for detecting a ridge surface (M) and a rolling control mechanism (61) and always maintains the ridge surface (M) and a machine body (1) approximately in parallel.
Patent JP-2001215843-A (JP)
Title: Fixing device, temperature controlling method, and abnormality detection method
Inventor: YAMAUCHI KAZUMICHI
IPC: H05B3/00
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device excellent in temperature controllability. SOLUTION: By making the surface layer 35 of a heating roller 31 contain carbon black, and then turning it black, stabilization of an infrared ray emitted from the heating roller 31 surface can be attained, and, thereby, the temperature control of the heating roller 31 can be performed with high accuracy.
Patent JP-2001215855-A (JP)
Title: Image forming apparatus
Inventor: SAITO HIROSHI
IPC: B65G53/08
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus in which the occurrence of an abnormal image is prevented at a low cost with a simple and small device which selects and removes aggregated toner containing paper dust or enlarged toner mixed in recovery toner being collected residual toner remaining after an image forming processing, while preventing the occurrence of clogging, and thus high-quality image forming is realized. SOLUTION: The image forming apparatus comprises a development means 2 for forming a toner image by developing a latent image formed on an image carrier 1, a transfer means 3 for transferring the toner image to a material P to be transferred, a cleaning means 4 for collecting the residual toner, a recovery toner transporting means 5 for transporting the recovery toner as a gaseous mixture with a gas, a recovery toner transporting route 6 on which the gaseous mixture of the recovery toner and the gas to the development means 2 is transported, and a recovered toner classifying means 7 for selecting the recovered toner contained in the gaseous mixture discharged from the discharging port 6a of the recovered toner transporting route 6 by blowing the gaseous mixture.
Patent JP-2001211704-A (JP)
Title: Granule applicator
Inventor: OSHITA YASUO
IPC: A01B49/06
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To stabilize the feeding amount of granules and feeding depth of the granules in a granule applicator. SOLUTION: This granule applicator has a soil-raking up device 12 for raking up the soil at the surface part of the ground and flying the raked up soil to crush the soil, a roller board 13 for receiving the soil flown rearward by the soil-raking up device 12, dropping the soil on the ground surface, and compacting the soil flatly, and a granule-feeding device 16 for feeding the granules into the soil. A granule-discharging hole 48a of the granule feeding device 16 is installed in the position which is higher than the ground surface, and does not receive the soil flown rearward by the soil-raking up device 12, received by the roller board 13 and dropped on the ground surface.
Patent JP-2001223888-A (JP)
Title: Picture processing method, picture processor and recording medium
Inventor: YAMADA MASAHIKO
IPC: G06T9/00
Filed: 2000-02-08
Abstract: PROBLEM TO BE SOLVED: To make the characteristics of an output picture uniform regardless of the resolution level of a reproduced picture in a method and a processor for obtaining the reproduced picture based on an observed picture signal on which a multiplex resolution conversion processing is conducted and for conducting a picture processing on the reproduced picture. SOLUTION: Output size information G1 and reference resolution information G0 are inputted to a magnification calculation means 54. The magnification calculation means 54 obtains variable power rates M1 and M2 based on respective pieces of information G0 and G1. A reproducing means 10 reproduces a picture at a resolution level corresponding to the designated variable power rate M1. A parameter setting means 56 obtains a processing parameter K1 fitted to the resolution level of a reproduced picture signal S1 based on the variable power rate M1, reference resolution information G0 and a reference processing parameter K0 and sets it in a picture processing means 20. The picture processing means 20 conducts a picture processing by using the processing parameter K1 and obtains a processed picture signal S2.  A variable power processing means 30 conducts a variable power processing on the processed picture signal 2 with the variable power rate M2.
Patent JP-2001192210-A (JP)
Title: Method for manufacturing lithium-manganese multiple oxide for non-aqueous lithium secondary battery
Inventor: AZUMA YASUO
IPC: H01M4/505
Filed: 2000-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing lithium-manganese multiple oxide used for a non-aqueous electrolyte lithium secondary battery, which is used in a wide voltage range, has large electric capacity and is excellent in charge and discharge cycle durability, in a short reaction time at a low cost. SOLUTION: This method for manufacturing lithium-manganese multiple oxide comprises melting salt containing lithium salt to obtain molten salt and adding a manganese-containing compound to the molten salt to react them.
Patent JP-2000347976-A (JP)
Title: Equipment management system, management server and computer readable recording medium
Inventor: MUKOYAMA MASANORI
IPC: G06F13/00
Filed: 2000-02-09
Abstract: PROBLEM TO BE SOLVED: To provide an equipment management system which can grasp plural abnormal phenomena of equipment to be managed by means of the browser of a client device. SOLUTION: A device to be managed which is built into a system has an SNMP(simple network management protocol) agent function, for example, that detects the state change of the equipment itself and can output this detection result to another device. When a device detailed screen request in given from a certain client device, the information are collected from an MIB (management information base) database of a printer device that is designated by the device detailed screen request (S201, S203, etc.). Thus, various display data are specified according to those collected information (S202, S204, etc.). Then the screen information which includes those specified display data and can display a screen showing all abnormal phenomena of the printer device is sent back to the client device (S209). A management server has a function to attain such said constitution.
Patent JP-2001221478-A (JP)
Title: Air conditioner
Inventor: YAMAGUCHI NOBUYUKI
IPC: F24F11/02
Filed: 2000-02-09
Abstract: PROBLEM TO BE SOLVED: To obtain an air conditioner in which a drying function or a dew formation preventing function can be exhibited effectively based on a more accurate humidity by correcting the error of a detection value due to aging of a humidity sensor. SOLUTION: The air conditioner comprises a humidity sensor (35) for detecting indoor humidity and outputting the detected humidity, and means (4) for correcting the error of the detected humidity due to aging of the humidity sensor (35). Values for correcting the error of the detected humidity due to aging of the humidity sensor are prestored in the humidity correcting means (4), which selects a correction value depending on the time elapsed after manufacture of the air conditioner and adds the correction value to the detected humidity thus calculating humidity data.
Patent JP-2001224152-A (JP)
Title: Method of fabricating squirrel-case rotor
Inventor: YOSHINO YUKIO
IPC: H02K15/02
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a stable, highly efficient and low price squirrel-cage rotor which results in less stray load loss. SOLUTION: In the laminating process 1, a rotor iron plate 11 of a silicon steel plate, having a plurality of cooling holes 13 at the internal side of a plurality of slots 12, is sequentially laminated to form a rotor iron core. In the next aluminum die-cast process 2, a conductor bar 15 is formed by coupling the internal circumferential part of slots 12 and both end portions of rotor iron core with the fused aluminum. Moreover, in the heating process 3, the squirrel- cage rotor is heated from the outside circumference up to a temperature in the range of 400 to 450 deg.C and a rotating shaft 15 is inserted into the prescribed position of rotating axis hole 14. Finally, in the last cooling process 4, the external circumferential part of the squirrel-case stator and the cooling hole are quickly cooled with the cooling water.
Patent JP-2001222295-A (JP)
Title: Individual collating device and recording medium with program for realizing it recorded thereon
Inventor: HAYAKAWA SHOJI
IPC: G10L17/00
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To easily and inexpensively improve security without increasing remarkable labor and time for adding and registering a hardware in an individual collating device collating whether or not a user is the original. SOLUTION: When the individual identification data are inputted, and an input of identification information is indicated, by using a password after the input is indicated as well as a lapse time from the indication of the input to individual collation, the theft of the password and the assumability by a tape recorder and a voice synthesizer taking times in operation are deterred.
Patent JP-2001225955-A (JP)
Title: Rotary valve
Inventor: MIYAGAWA RYOICHI
IPC: B65G65/48
Filed: 2000-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a rotary valve that can minimize influence of powders and grains even if the powders and grains adhere to the inner surface of a body part, can improve sealing property, and does not require replacement of an entire casing even if the inner surface of the body part is worn down. SOLUTION: This rotary valve 10 comprises a cylindrical casing 1 having a supply part 1a, a discharge part 1b, a body part 1c, a cover for covering opening in both side surfaces of the casing 1, and a plurality of rotation blades 3 fixed to a rotation shaft 2 in the body part 1c of the casing 1, and rotates while the tips of the plurality of rotation blades 3 slidably contact with or are adjacent to the inner surface of the body part 1c of the casing 1. At least a part of the body part 1c of the casing is movable in the extending direction of the rotation blade 2.
Patent JP-2001225481-A (JP)
Title: Recording apparatus
Inventor: YOSHIKAWA HISASHI
IPC: B41J2/175
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a compact and low-cost means for letting a user recognize a tank to be replaced in a system of specifications in which ink tanks 3 and 4 of a plurality of ink colors or volume sizes are detachably loaded on a carriage 2 of an ink-jet recording apparatus 1 to make the user replace the ink tanks. SOLUTION: Tank detection levers 13 and 14 of the number corresponding to the number of the kinds of tanks 3 and 4 are set. When the carriage 2 moves to a specific position, each lever is prevented from interfering with the first tank when the first tank is loaded to the carriage 2 and operates only when the second tank is loaded to the carriage 2. The operation of the detection levers having timings made different correspondingly to the kinds of tanks is detected by one photointerrupter 15.
Patent JP-2000240759-A (JP)
Title: Parallel axis differential gear having pinions equipped with brake shoe
Inventor: GAGE GARRETT W
IPC: F16H48/285
Filed: 2000-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a parallel axis differential gear with a planetary gear set having an anti-chipping mechanism for supporting pinions over its full length. SOLUTION: In this differential gear, a gear set 30 is disposed in a housing, while having a pair of side gears 62, 64 fixed to output shafts to rotate, and two or more pairs of pinions 70, 74 meshing with each other, pivotally mounted in a gear pocket formed in the housing. Each the pinion 70, 74 has a gear segment meshing with a gear segment of another pinion 74, 70, and with one of side gears 62, 64. An anti-chipping mechanism has brake shoes 90 journalled to stub shaft segments of the pinions 70, 74. Each the brake shoe 90 has a first support surface 94 engaging with an outer diameter surface of the corresponding side gear 62, 64, a second support surface 96 engaging with an outer diameter surface of the gear segment of the adjacent meshing pinion 70, 74, and a third support surface 98 engaging with a wall surface of the gear pocket.
Patent JP-2001234327-A (JP)
Title: Jig for sputtering
Inventor: IYAMA SEIJI
IPC: C23C14/50
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a jig for sputtering which is capable of attaining the compatibility of workability with positioning accuracy. SOLUTION: This jig has a frame 1 and upper and lower masks 2 and 3 positioned and arranged on the frame 1. A work Q is held between the masks 2 and 3 and the frame 1 is projectingly provided with pins 10. Positioning holes 2b and 3b to be inserted with the pins 10 at a prescribed interval are formed both to the masks 2 and 3. The pins 10 are formed of a material having a coefficient of thermal expansion greater than the coefficients of thermal expansion of the frame 1 and the masks 2 and 3. The spacing between the pin 10 and the positioning hole 2b or 3b is formed to be nearly closed by a temperature increase during sputtering.
Patent JP-2001226317-A (JP)
Title: Method for producing propiolic acid alkali metal salt
Inventor: KATO YUICHI
IPC: C07C51/38
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a propiolic acid alkali metal salt, improved so that an acetylenedicarboxylic acid alkali metal salt assumed to be a dialkali metal salt is not formed, when an acetylenedicarboxylic acid monoalkali metal salt is heated and decarboxylated to form the propiolic acid alkali metal salt. SOLUTION: This method for producing the propiolic acid alkali metal salt comprises subjecting the acetylenedicarboxylic acid monoalkali metal salt to decarboxylation in the presence of an acid alkali metal sulfate (MHSO4; wherein, M is an alkali metal) in a reaction mixture. The acid alkali metal sulfate is used in an amount of 1-30 mol% based on the amount of the acetylenedicarboxylic acid monoalkali metal salt.