baber/WOPTO huggingface dataset:
Patent JP-2003174794-A (JP)
Title: Method of driving brushless dc motor and its device
Inventor: YAMAGIWA AKIO
IPC: H02P6/17
Filed: 2001-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To reduce electromagnetic force vibration and noise surely and enough.  <P>SOLUTION: This device has a brushless DC motor 2 which is supplied with a drive current from a three-phase inverter circuit 1b, a sensorless position detecting circuit 3 which receives the input of a drive current for two phases and detects the rotational position of the rotor of the brushless DC motor 2, a PWM generating circuit 4 which receives the input of the positional detection signal outputted from the sensorless position detecting circuit 3, performs PWM control calculation and outputs a PWM control signal so as to PWM-operate the three-phase inverter circuit 1b, and a higher harmonic injection circuit 5 which receives the input of the positional detection signal outputted from the sensorless position detecting circuit 3 and injects a higher harmonic component current.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003166812-A (JP)
Title: Document size detecting device
Inventor: KAWACHI MASAFUMI
IPC: H04N1/04
Filed: 2001-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a document size detecting device capable of preventing erroneous determination of a document size.  <P>SOLUTION: A light reflecting type sensor 3 is provided with a light projecting part 13 projecting light toward detection positions A1 and A2 scattered within a width area R of a document, a light receiving part 18 having a plurality of light receiving elements 17a and 17b respectively receiving reflected light from each detecting position A1 and A2, and an output part 20 outputting an existence of the document in response to a light receiving state of each light receiving element 17a and 17b to a determining part 11. The output part 20 recognizes a signal from a light receiving element having received reflected light as one and a signal from a light receiving element not having received reflected light as zero, and when a logical product of the signals from the light receiving elements 17a and 17b is one, it outputs the fact that there is a document to the determining part 11.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003068365-A (JP)
Title: Secondary battery of nonaqueous electrolytic solution
Inventor: NAKAI KENJI
IPC: H01M10/0566
Filed: 2001-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a secondary battery of nonaqueous electrolytic solution, which is longer in service life and can restrain a drop in rate to keep capacity and output, caused by charging/discharging cycles. SOLUTION: A lithium manganate powder, a graphitic powder, AB and PVDF are mixed at a predetermined rate, to which NMP of a disperse solvent is added, and then the resultant matter is kneaded to produce slurry. The slurry was coated 20 μm thick with coating amount of P1 (gm<2> ) almost evenly on both faces of aluminum foil. Supposing that the total surface area of the lithium manganate powder, the graphitic powder and the AB contained in an admixture of 100 g for a positive electrode is S1 (m<2> ), and that mass of the PVDF contained in the admixture of 100 g for the positive electrode is B1 (g), the ratio of B1 /S1 was set to meet an expression of 1.00.P1 <=(B1 /S1 )×10000<=2.00.P1 . Peeling and removal of the admixture for the positive electrode adhered by coating are prevented and a reaction area of the electrode with the nonaqueous electrolytic solution can be secured.
Patent JP-2003172191-A (JP)
Title: Engine temperature detecting method based upon engine cooling water temperature
Inventor: SUZUKI TAKASHI
IPC: F02D45/00
Filed: 2001-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To recognize a proper engine temperature by a vehicular operation controller and to secure high starting performance of an engine and high starting exhaust emission control performance in cold starting of the internal combustion engine provided with a hot water storage tank and carrying out hot water injection at cold starting.  <P>SOLUTION: When replacing engine cooling water with hot water from the hot water storage tank at cold starting of the internal combustion engine, a transient deviation caused between a temperature sensed by an engine cooling water temperature sensor and an engine body temperature is presumably calculated, and an engine temperature is temporarily recognized by lowering it for a transient deviation amount from a temperature detected value of the engine cooling water temperature sensor.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003170840-A (JP)
Title: Steering structure of riding rice planting machine
Inventor: FUJIMOTO SHUSAKU
IPC: B62D11/08
Filed: 2001-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a riding rice planting machine having excellent maintenability, durability and flexibility with good applicability to a compact type machine.  <P>SOLUTION: A steering operating shaft 40 is arranged in rear of an engine, and a gear reduction mechanism 39 is formed of a pinion gear 47 connected to a lower part of the steering operating shaft 40 and a large-diameter sect gear 48 to be engaged with the pinion gear 47. The gear reduction mechanism 39 is housed in a gear case 42 separately arranged under the engine. An output shaft 46 integrated with the sect gear 48 is projected downward from the gear case 42, and a pitman arm 49 of the steering link mechanism is fitted to a lower projecting part of the output shaft 46.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177407-A (JP)
Title: Liquid crystal display device
Inventor: FUJII AKIYOSHI
IPC: G02F1/1337
Filed: 2001-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device in which transition from splay to bend deformation or from bend to splay deformation can be quickly and certainly brought about.  <P>SOLUTION: The liquid crystal display device is provided with a first substrate, a second substrate placed opposite to the first substrate and a liquid crystal disposed between the first and second substrates. The liquid crystal layer is provided with a splay deformation region in which the transition from the splay to bend deformation or from the bend to splay deformation take place corresponding to an applied voltage and a transition nucleus region to be a nucleus to trigger the transition in the splay deformation region. The transition nucleus region is provided with a plurality of first transition nucleus regions formed along a first direction and a plurality of second transition nucleus regions formed along a second direction different from the first direction. The splay deformation region is provided with a plurality of first splay deformation regions with a first width in the second direction and a plurality of second splay deformation regions with a second width narrower than the first width in the second direction. A plurality of the first splay deformation regions contain two of the first splay deformation regions continued via one out of a plurality of the second splay deformation regions.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003171834-A (JP)
Title: Single spindle driving type fiber machine
Inventor: KURODA YOSHIJI
IPC: D01H1/02
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate the assembly of a circuit board for controlling motors in a single spindle driving type fiber machine.  <P>SOLUTION: The side portions of two motors M, M are connected to a connection member 20, and the control circuit board 21 is disposed on the connection member 20. The surface of the control circuit board 21 is opened to outer air to release heat. A support frame 12 to which each motor M is attached has an L-type cross section. The horizontal portion of the L-type cross section support frame 12 is used as a motor-setting portion 13, and the suspended portion 14 is used as a cable-holding portion 14a for holding a signal cable 17 and a power supply cable 18. The signal cable 17 and the power supply cable 18 are disposed in a non-contact state to prevent the effects of noises. When the largely thick power supply cable 18 is disposed on the back side of the cable-holding portion 14a of the support cable 14, the lower portion of a motor- setting portion 13 is widely opened to improve maintainability.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003181516-A (JP)
Title: Method and device for spraying rolling lubricant
Inventor: OKAMOTO KEN
IPC: B05D7/24
Filed: 2001-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a device for spraying a rolling lubricant having uniform rolling oil concentration to a reduction roll by eliminating the consumption of the rolling oil by adjusting the number of nozzles to spray the rolling lubricant that is a mixture of the rolling oil and water in accordance with the width of the metal plate subjected to rolling, and at the same time, by maintaining the flow of the mixture constant to circulate inside a circulating flow channel even if the number of nozzles to spray the rolling lubricant is changed.  <P>SOLUTION: In the method for spraying the rolling lubricant through a plurality of spray nozzles provided in the rotating shaft direction of the reduction roll, the number of the spray nozzles to spray the rolling lubricant is changed in accordance with the width of the metal plate available for rolling, and, in accordance with the number of spray nozzles to spray the rolling lubricant, the opening area of a throttling aperture provided in the inlet side piping of a nozzle header is changed, by which the flow of the rolling lubricant to circulate the circulating flow channel provided inside the nozzle header where spray nozzles are provided is maintained constant.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003172567-A (JP)
Title: Fault diagnosis method, fault diagnosis device, in-shop equipment management system, and recording medium
Inventor: HORI MOTOHITO
IPC: F25D11/00
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To easily and adequately set the threshold for discriminating a failure for each appliance and each installation place.  <P>SOLUTION: The data of the discharge pressure and the pull-down time is corrected to the data with each influential factor eliminated therefrom based on the data which is actually collected (Step S2) after installing the appliance (Step S3). Next, the threshold is determined using a normal distribution curve (or t-distribution curve) for each of the data on in-chamber temperature, the data on the discharge pressure after correction, and the data on the pull-down time (Step S4).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003187024-A (JP)
Title: Control system for ticket and admission fee for event whose sponsor is bank
Inventor: WAJIMA TOTARO
IPC: G06Q30/06
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To solve problems wherein a sponsor pays cooperation money to an organizer and a promoter of an event, and the organizer shares all expenses including a guarantee of a performer of the event, and sells an admission fee for increasing a profit when conventionally holding the event, and an income of this admission fee is unstable and influenced by a condition at that time, and this structure is difficult to allow a spectator and an audience to actually feel the presence of the sponsor, and as a result, the sponsor cannot actually feel the direct merits contributing to the original business such as acquiring a customer.  <P>SOLUTION: A financial institution such as a bank becomes the sponsor, and pays an amount including the profit of the organizer to the organizer as the cooperation money. The spectator and the audience opens one's own account in the sponsor bank, and acquires a ticket of the event by depositing an amount designated from the organizer in the account.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003179561-A (JP)
Title: Acoustic communication device and acoustic signal communication method
Inventor: SAKUMA HIROHISA
IPC: G10L19/00
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To enhance transmission velocity of acoustic communication.  <P>SOLUTION: A transmitter 1 performs both or either of amplitude modulation based on transmission information and phase modulation, and modulation by a signal which shows a window function, to each carrier of a plurality of pulse signals, and transmits a plurality of modulated signals in order. A receiver 2 receives a plurality of acoustic signals transmitted by the transmitter 1 in order, and converts them into electric signals. Then, the receiver 2 Fourier- transforms the converted signals, reads both or either of the phase value and the amplitude value in frequency of carriers, and demodulates the communication signal, based on the read-out value.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003183772-A (JP)
Title: Steel to be carburized superior in torsional fatigue characteristics
Inventor: SHINTO YOSUKE
IPC: C22C38/58
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To improve torsional fatigue characteristics in steel to be carburized.  <P>SOLUTION: In the steel to be carburized, which has a carbon content of 0.1-0.3 mass% and contains Cr, this steel includes at least one element selected among Co, Ni, and Cu, in a range satisfying the expression (1): [Co]+2.1×[Ni]+2.8×[Cu]-2.4×[Cr]>0, (where [Co], [Ni], [Cu], or [Cr] indicates respectively Co content in the steel (mass%), Ni content (mass%), Cu content (mass%), or Cr content (mass%)).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003187639-A (JP)
Title: Conductive resin composition and electrode substrate using this as well as manufacturing method of electrode substrate
Inventor: MATSUMORA SATORU
IPC: C08L101/00
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a conductive resin composition with excellent abrasion resistance against phosphor bronze and minimize abrasion between the phosphor bronze and an electrode formed of a conductive resin composition.  <P>SOLUTION: Silver powder and a reinforcing material with a Mohs hardness of 3.5 to 4.5 are made contained in binder resin to manufacture a conductive resin composition, with which, an electrode substrate is formed. Since balance of hardness between the phosphor bronze and the electrode is adjusted in a best state, abrasion resistance of both can be enhanced.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003188379-A (JP)
Title: Semiconductor device and its fabricating method
Inventor: WAKIMOTO SETSUKO
IPC: H01L29/423
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a semiconductor device having a trench structure in which breakdown voltage of the device is prevented from lowering by preventing concentration of field to the end corner part of a trench.  <P>SOLUTION: A trench 22 has a planar shape where the part 23 in the vicinity of its end is narrower than the body part 24 closer to the center. The part 23 in the vicinity of the end is formed shallower than the body part 24 by dry etching and the end corner part of the trench is rounded. Since the singular point of a gate oxide film or a gate electrode is eliminated at the end corner part of the trench, concentration of field to the end corner part of the trench is relaxed or eliminated and the breakdown voltage is prevented from lowering at the end corner part of the trench.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002191597-A (JP)
Title: Ultrasonic diagnostic instrument
Inventor: TSUBOI AKIRA
IPC: A61B8/00
Filed: 2001-12-19
Abstract: PROBLEM TO BE SOLVED: To prevent a patient from feeling uneasy and also to permit the patient to easily understand an image by displaying a subject observation image and an operator observation image under the classification of them. SOLUTION: This ultrasonic diagnostic instrument is constituted by arranging an auxiliary monitor 30 which consists of a planar display on the side surface of an instrument body 10, permitting an operator to perform diagnosis by observing the image from a main monitor 15 and permitting the patient to view the image of the auxiliary monitor 30. In an image display circuit system, two graphic memories for displaying additional information are arranged in addition to a DSC 12 displaying an ultrasonic image. One of the memories is used as a common additional information memory 14a for the both of the operator and the patient and the other is used as an additional information memory 14b for only the operator.
Patent JP-2003198693-A (JP)
Title: Collapsible portable terminal
Inventor: TERAO MASATOSHI
IPC: G06F1/16
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem in a conventional collapsible portable terminal that a projected part having a considerable amount of projection has to be provided to one casing, which not only impair its better product aesthetics but also the projected part is caught by something during use of the collapsible portable terminal.  <P>SOLUTION: The collapsible portable terminal includes a first casing having an operating key array arranged thereon and a second casing having a display part arranged thereon, the first and second casings are openably coupled to each other. A mechanism is provided to any one of the first and second casings for ejecting a projecting/retreating member in cooperation with the opening or closing operation of the first and second casings.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003190920-A (JP)
Title: Tray for treating organic waste
Inventor: KYOZUKA KOJI
IPC: B09B3/00
Filed: 2001-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tray for treating organic waste through which larvae of houseflies can be easily escaped by their own abilities, and prevents becoming pupas in digestion waste, and can separate biological materials from the effectively composted digestion waste.  <P>SOLUTION: The tray 1 is has an overturn-protection function obtained by applying a thin rubber sheet 5 formed by unifying a plurality of protruded bars having required intervals with the surface of slopes 3, 3 for escape of the larvae through the rubber sheet 5 positioned in a width direction, so that the larvae can climb up the slopes 3, 3 by their own abilities without overturning which are connected to the side edge parts of a tray main body 2 for treating the organic waste by the houseflies.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003193274-A (JP)
Title: Method for etching selected film of multilayer film structure
Inventor: TAGUCHI NAOKO
IPC: C23F1/26
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for etching selected films of a multilayer film structure by which selected metallic films can securely be subjected to etching without depending on ionization tendencies.  <P>SOLUTION: Two or more kinds of selected metallic films with different ionization tendencies in a multilayer film structure are connected to a cathode side (minus side) 11, and an electrode plate is connected to an anode side (plus side) 12. They are immersed into an etching solution for selected metallic films, and an electric field suppressing a local battery phenomenon is applied thereto. Thus, a local battery phenomenon is suppressed, and etching can securely be performed from the selected films.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003193605-A (JP)
Title: Void slab using biodegradable plastic
Inventor: YOSHIDA TAKUO
IPC: E04B1/82
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a void slab using biodegradable plastic, which can reduce a load on a structure, greatly enhances insulation of a floor impact sound, prevents an increase in slab thickness, and avoids the productions of wastes such as styrene foam at dismantling.  <P>SOLUTION: A lower precast slab 2 is laid, and mats 3, which are obtained by foam-molding the biodegradable plastic, are disposed between reinforcing members 4 on the precast slab 2. Cast-in-place concrete 5 is placed on the precast slab 2 on which the mats 3 have been disposed. After that, the mats 3, which are composed of a biodegradable plastic molding material, are decomposed by water, alkali or the like so as to be reduced in volume in terms of shape, and finally disappear so as to be substituted with air.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003189974-A (JP)
Title: Manufacturing method of headrest
Inventor: SUGIMOTO YOSHIHIKO
IPC: B29L31/58
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To prevent forming of foam that hinders the movement of a stay in a frame.  <P>SOLUTION: After attaching a suitable sheet material 34 capable of entirely covering the frame 14 to an outer side of the frame 14 set on the stay 12, the stay 12 and the frame 14 are set in a foaming die 40. By forming a pad 16 by foaming in the outer side of the frame 14, forming of the foam hindering the movement of the stay 12 in the frame 14 can be prevented. The sheet material 34 comprises an air permeable material having a multiplicity of air gaps, and the air permeable material allows reasonable exudation of the foaming material U to its rear side.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003203459-A (JP)
Title: Reel
Inventor: IMAI FUMITO
IPC: B65H75/18
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reel in which an information recording disabled area is prevented from being caused or recording information is prevented from being lost by preventing occurrence of so-called tape fold transfer on a recording tape.  <P>SOLUTION: The reel includes a hub 26 on which the recording tape T is wound and a power spring 30 fitted to the hub 26. Since the power spring 30 is inevitably wound on the hub 26 as the recording tape T is wound on the hub 26, the power spring 30 covers a container recessed part 32 containing a leader pin 40 and outside of a step difference such as a corner 36 of the power spring 30. Thus, the recording tape T wound on the outer circumferential face of the power spring 30 is not pressed into contact with the step difference and occurrence of so-called tape fold transfer on the recording tape T wound on the reel can be avoided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002201668-A (JP)
Title: Revolving excavation work vehicle
Inventor: KONDO SAIZO
IPC: E02F9/16
Filed: 2001-12-28
Abstract: PROBLEM TO BE SOLVED: To dissolve defectiveness that an operator cannot get in or out of an ultra small revolving excavation work vehicle due to turning in a narrow position. SOLUTION: In this revolving excavation work vehicle with an operating column 25 erected at the front part and a driver's seat 15 erected behind the operating column 25 with the space of a step 2, one side of the driver's seat 15 is opened as a hatch c, and an operating oil tank 4 is arranged at the end part of the step 2 when viewed from the entrance c. A fuel tank 3 is arranged at the rear part of the operating tank 4 in a longitudinally overlapping manner.
Patent JP-2003194488-A (JP)
Title: Heat exchanger
Inventor: KAITANI YUICHI
IPC: H01M8/04
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To improve durability in structure wherein the temperature of a mixed fluid flowing inside each heat exchanger tube element 8 is greatly different between an upstream side passage 22 and a downstream side passage 23.  <P>SOLUTION: The one-side intermediate parts of first and second metal plates 11, 13 constituting each heat exchanger tube element 8 are provided with shallow recessed parts 18 and partition parts 19 for partitioning both shallow recessed parts 18 from each other. A cut line 43 long in a lengthwise direction is formed at the intermediate part of each partition part 19, and a pair of separation parts 54, 54 are provided on both sides of the cut line 43, at a part of the partition part 19. The peripheral edge parts of the first and second metal plates 11, 13, and the respective separation parts 54, 54 are put in the mutually butting state respectively and jointed by brazing to form the heat exchanger tube element 8.  <P>COPYRIGHT: (C)2003,JPO