baber/WOPTO huggingface dataset:
Patent JP-2002325004-A (JP)
Title: Circuit board for high frequency
Inventor: WADA HISAYOSHI
IPC: H01P3/02
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the mismatch of characteristic impedance occurs due to the resonance of a high-frequency signal caused by the length of a penetrating conductor and the distance between the penetrating conductors, a reflection loss and a transmission loss are increased and the transmission characteristics of the high-frequency signal are deteriorated. SOLUTION: L<λ/2 is satisfied, wherein L is the distance of a signal transmission route between a connector A at one end side of the second line conductor 4 of the connector of the first line conductor 3 to the penetrating conductor 5 and a connector B at one end most side of the first line conductor 3 of the connector to the penetrating conductor of the second line conductor 4, and λis the wavelength of the high-frequency signal for transmitting the first line conductor 3, the penetrating conductor 5 and the second line conductor 4.
Patent JP-2002325883-A (JP)
Title: Slot machine
Inventor: WARIISHI TAKAO
IPC: A63F5/04
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a serviceable slot machine which enables a player to securely press a stop switch without confirming a position thereof without raising manufacturing cost. SOLUTION: A plurality of push button type switches 14a, 14b, 14c to individually stop rotation of reels visible through a reel window are installed on an operation part 1a projected forward than the reel window below the reel window on the front door. Each stop switch has a shaft part 14d insertably fit into a hole part to the operation part side and a head part 14e equipped on the tip end of the shaft part to be pressed by a player. The head part of a stop switch is formed so that an area of a part above the horizontal line H passing the center of the shaft is larger than the area of a part below.
Patent JP-2002330411-A (JP)
Title: Preferred scene acquisition control broadcast system, broadcast transmitter, broadcast receiver and recorder
Inventor: FUJIWARA SEIJI
IPC: H04H60/27
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a preferred scene acquisition control broadcast system that acquires a preferred scene only through generation/transmission reception of information with respect to a preferred scene without the need for evaluation and arithmetic operation of video and audio and to provide a transmitter, a receiver and a recorder. SOLUTION: A transmitter side is provided with a scene information generator, a scene information creation device and scene information attachment multiplexer to generate time base data and contents data with respect to a preferred scene, a broadcast transmitter multiplexes the information with major video and audio, transmits the multiplexed data, and a receiver side is provided with a scene information acquisition section and a scene information control processing section to select and acquire the preferred scene based on the information.
Patent JP-2002328645-A (JP)
Title: Image display device and its drive method and circuit
Inventor: NAKANO MAKI
IPC: G09G3/22
Filed: 2001-05-01
Abstract: PROBLEM TO BE SOLVED: To display a high-quality image having satisfactory gradation property in accordance with an image signal. SOLUTION: This drive circuit for image display device has a driving current detecting circuit 10 which detects driving currents to be supplied respectively to a plurality of electron emitting elements of a display panel having the plurality of electron emitting elements which are arranged in a matrix shape and generates voltages corresponding to the driving currents, a control voltage generating circuit 30 which generates control voltages in accordance with picture signals corresponding respectively to the plurality of the electron emitting elements,  a voltage comparing circuit 40 which compares the control voltages to be outputted from the driving current detecting circuit 10 with the control voltages to be outputted from the control voltage generating circuit 30 and a driving current interrupting circuit 50 which controls the driving of the electron emitting elements in accordance with the comparison results by the voltage comparing circuit 40.
Patent JP-2002333271-A (JP)
Title: Dryer
Inventor: ONO KOJI
IPC: A23F3/06
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To efficiently dry a material to be dried conveyed at an extremely low speed by a net conveyor unit by means of an air supply and a sundry. SOLUTION: A net conveyor unit C1 has a sidewall 11 and a ceiling wall 12 facing south and covered by a dry box B constituted of a rugged-sectional metal plate in a substantially sealed state, an upper shield plate 1 arranged above an upside horizontal running part V2 of a conveying net 2 for constituting the conveyor unit C1 , and upper and lower supply fans F1 and F2 of the running part V2 of the net 2. Thus, a compost Q is dried by air flows R1 and R2 supplied from the fans F1 and F2 and an inverting air flow R1 ' inverted by contacting with the compost Q and further inverted by colliding with the plate 1.
Patent JP-2002330918-A (JP)
Title: Hood for endoscope
Inventor: YAMAMOTO HIRONORI
IPC: A61B1/00
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a hood for an endoscope which maintains the sniping property of details even in a curving section, opens a cut opened mucosa and assures the operation field. SOLUTION: This hood has an endoscope wearing section 12 which is made wearable at a distal end 18 of the endoscope 16 and a convergently cylindrical hood section 14 which projects to the forward of the endoscope 16 from the endoscope wearing section 12 and has an aperture 20 of a diameter finer than the diameter of the endoscope wearing section 12 at its distal end.
Patent JP-2002332764-A (JP)
Title: Device for preventing key from being left inserted
Inventor: FUJITA MASAHIRO
IPC: E05B19/00
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a device for preventing a key from being left inserted, usable for a vestibule door or the like of a house and usable being simply mounted to the key although many devices for preventing the key from being left inserted, have been invented in the field of the ignition key of an automobile, but they are intended for the prevention of shutting up inside caused by the key being left inserted. SOLUTION: When the key is inserted in a keyhole, a switch is pressed by a keyhole peripheral part to generate an alarm, and a user recognizes that the key is in the inserted state.
Patent JP-2002331955-A (JP)
Title: Rear wheel steering device
Inventor: TANEDA AKICHIKA
IPC: B62D7/14
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a rear wheel steering device capable of surely returning a rear wheel to a neutral position even in a failure such that the rotating shaft of an electric motor cannot be externally rotated, arid surely returning the rear wheel to the neutral position by one neutral returning work. SOLUTION: In a failure of an electronic control device 8 or a brushless motor 10, a worm wheel 65a is manually rotated relative to a third housing 12 and a tie rod 43 by a worm 62a, whereby a first rear wheel steering shaft 41 is moved in vehicle lateral direction and returned to a neutral position, and a neutral return reporting device 7 reports the return to neutral position of the first rear wheel steering shaft 41 to a worker in response to the neutral return signal from a neutral return detection sensor 77.
Patent JP-2002302874-A (JP)
Title: Method for reforming and finishing fiber material by utilizing silk protein
Inventor: YAMADA EIJI
IPC: D06M13/358
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To reduce the environmental loading by utilizing sericin and silk fibroin which are wastes and to develop a functional fiber having excellent durable shape-stabilizing effects and excellent feeling, and mild to the skin. SOLUTION: A fiber material is reformed and finished by subjecting the fiber material to a covalently bonding or cross-link-bonding reaction with the sericin and/or the silk fibroin by using dichlorotriazine-based compound and/or cyanuric chloride.
Patent JP-2002333446-A (JP)
Title: Biological material chip
Inventor: INOMATA HIROKO
IPC: G01N37/00
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a biological material chip in which at least one member of a specific bonding partner is bonded and immobilized on a reactive solid support capable of rapidly and stably bonding and immobilizing. SOLUTION: The biological material chip comprises a group represented by formula (I) below having a residue of the member of the specific bonding partner, the group being bonded on the solid support: -L-SO2 -X-A (I) (wherein L is a coupling group for bonding -SO2 -X-A with the solid support; X is -CR<1> (R<2> )-CR<3> (R<4> )-, wherein R<1> , R<2> , R<3> and R<4> are independently a hydrogen atom, a 1-6C alkyl group, a 6-20C aryl group, or a total 7-26C aralkyl group having a 1-6C alkyl chain; and A is the residue of the member of the specific bonding partner).
Patent JP-2002332257-A (JP)
Title: Method for extracting and purifying 3-[4-hydroxy-3, 5-bis (3-methyl-2-butenyl) phenyl]-2-propenoic acid from propolis
Inventor: HAYASHI KATSUHIRO
IPC: C07C59/52
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a method for extracting and purifying 3-[4-hydroxy-3, 5-bis (3-methyl-2-butenyl) phenyl]-2-propenoic acid having physiological activity in high yield and low cost from propolis. SOLUTION: This method comprises the steps of obtaining propolis extract by a hydrophilic organic solvent or a mixed solution of a hydrophilic organic solvent with water; carrying out distribution treatment of the propolis extract into the mixed solution of a hydrophobic organic solvent with an alkali water solution to collect an organic phase, distilling the solvent away from the organic phase and obtaining the residue; submitting the residue to normal phase silica gel chromatography, obtaining a desired fraction by using n-hexane-ethyl acetate- methanol mixed solvent or chloroform-methanol mixed solvent and obtaining the concentrate from the fraction; and submitting the concentrate to reverse phase silica gel chromatography, obtaining a desired fraction by using water- methanol mixed solvent and distilling the solvent away or carrying out recrystallization of the concentrate.
Patent JP-2002344410-A (JP)
Title: Ofdm modulator
Inventor: IKEDA YASUNARI
IPC: H04J11/00
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To improve information error rate by accurately estimating the transmission characteristics of transmission lines even in the case of reception using mobile units. SOLUTION: The OFDM receiver 1 has an equalizer 8 for equalizing the waveform of amplitude modulation signals, after FFT operation. The equalizer 8 comprises an SP signal extraction circuit 11 for extracting SP signals, a time direction interpolating filter 12 for interpolating the extracted SP signal in the time direction, and a frequency direction interpolation filter 13 for interpolating the SP signal that has been interpolated in the time direction further in the frequency direction. A time direction interpolating filter 12 comprise an n-stage (n indicates an integer being 2 or larger) 0-order hold filter.
Patent JP-2002334499-A (JP)
Title: Disk recording and/or reproducing device
Inventor: SUZUKI YOSHIAKI
IPC: G11B33/14
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a disk recording and/or reproduction device which closes a disk insertion and ejection port to prevent entering of dust the disk is easily inserted at the time of insertion by varying a resistance force, and can hold a disk-shaped recording medium coming out to the halfway part of the disk insertion and ejection port at the time of an ejection. SOLUTION: The disk recording and/or reproducing device is provided with a casing 120, a gate member 12, and a disk transport mechanism. The gate member 12 is provided with a gate cover 138 having a cut area 143 which closes the disk insertion and ejection port 30 and where an optical disk D passes through, and a resistance force varying means to vary the resistance force of the peripheral part of the cut area brought into contact with a flat surface of the optical disk D when the optical disk D passes through the cut area 143 according to a passage direction of the optical disk D.
Patent JP-2002333279-A (JP)
Title: Refractory material for core of refractory furnace and its manufacturing method
Inventor: MITSUTA MASATOSHI
IPC: F27D1/00
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To improve a core structure of a conventional high-temperature refractory furnace. SOLUTION: A refractory material for the core of the refractory furnace comprises a zirconia porous refractory structure for an incinerating/melting furnace manufactured by a stable zirconia (Zro2) or a zirconia (Zrsio4) material durable against a high temperature of about 1,700 deg.C in the core structure of the refractory furnace constituted of a ceramic material. A method for manufacturing the refractory material for the core of the refractory furnace constituted of the ceramic material comprises the steps of coating the stable zirconia (Zro2) slurry on a net-like urethane, baking and sintering the slurry to manufacture the zirconia porous refractory for the high-temperature furnace.
Patent JP-2001354009-A (JP)
Title: Tire for automobile wheel
Inventor: BOIOCCHI MAURIZIO
IPC: B60C11/113
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To reduce the noise level and to improve the water discharging function by employing special arrangement, dimensions and a shape for grooves in the longitudinal direction and grooves in the transverse direction of a tire for automobiles. SOLUTION: In this tire for automobile wheels, the grooves 9 in the longitudinal direction of a tread band 3 and the grooves 10 in the transverse direction are inclined opposite to each other on both sides of the equatorial plane of the tire, and intersected portions form lags 6. The grooves 9 in the longitudinal direction have a part of an extended portion included in a contact area A of the tire. Inclined portions of the grooves 9 in the longitudinal direction are tapered at both ends and have blind hole shapes to form an end portion oriented in the circumferential direction. A tapered end portion oriented in the circumferential direction is shorter than the inclined portion.
Patent JP-2002339190-A (JP)
Title: Woven fabric
Inventor: HISHINUMA SUMIO
IPC: A41G1/00
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a biodecomposable woven fabric for material use, free from the intrinsic defects of polyester fiber and polyamide fiber and having thin, light, strong and tough texture. SOLUTION: The warp and/or the weft of the woven fabric are composed of a polylactic acid fiber, the sum of the density of the constituting yarns of the fabric is >=180 lines/inch, fabric weight of the woven fabric is 40-200 g/m<2> and the fabric is heat-treated at a temperature of 150-180 deg.C in dried state.
Patent JP-2002341051-A (JP)
Title: Human body detection method
Inventor: YAMAMOTO YUICHI
IPC: H05B37/02
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a human body detection method capable of operating an operation control object such as illumination only in a period when a human body is present at its place by correctly and accurately distinguishing an absent state of the body from a stationary and present state thereof regardless of an infrared detection characteristic even if a pyroelectric infrared sensor is used as a human body sensor and by correctly recognizing not only approach of the body but also presence thereof. SOLUTION: After a human body detection signal becomes incapable of being obtained (step 11), if the human body detection signal can be obtained when a relative positional relationship between the human body of the detected body and the human body sensor is varied by moving the human body sensor by an arbitrary distance (step 14), it is determined that the body is stationary (step 15) and the illumination is lit (step 13), and if the human body detection signal can not be obtained at that time, it is determined that the body is absent (step 15) and the illumination is turned off (step 16).
Patent JP-2002343245-A (JP)
Title: Method of manufacturing fluorescent lamp
Inventor: UENO TAKASHI
IPC: H01J61/42
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a fluorescent lamp, capable of easily forming a phosphor layer which is controlled of its distribution for phosphor grain size in the thickness direction. SOLUTION: This method of manufacturing a fluorescent lamp comprises a first process for preparing a long translucent tube 1a composed of a dielectric material, a second process for adjusting a phosphor coating agent, by mixing a first phosphor of relatively small particle size and a second phosphor of large particle size, a third process for inserting a phosphor discharging nozzle inside of the translucent tube 1a, discharging the phosphor coating agent from the phosphor discharge nozzle, and electrostatically coating an inner face side of the fluorescent tube with the charged and atomized phosphor coating agent for forming the phosphor coating agent layer on the inner face side of the translucent tube 1a, and a fourth process for fixing the phosphor coating agent layer, formed on the inner face side of the translucent tube 1a for forming a phosphor layer.  A first phosphor layer 2a on the inner face side of a translucent airtight container 1, composed mainly of the first phosphor, and a second phosphor layer 2b at a discharge space side mainly composed of the second phosphor can be formed in one electrostatic coating.
Patent JP-2002343326-A (JP)
Title: Battery separator
Inventor: KONDO TAKAHIKO
IPC: C08J9/26
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a battery separator which has both excellent high temperature strength and low shutdown temperature. SOLUTION: It is a fine porous film for a battery separator consisting of modified polyethylene grafting polyethylene with viscosity-average molecular weight of not less than 100,000 and reactive monomer having a polar group. As the reactive monomer, maleic anhydride is used with grafting ratio of 0.1 to 5 wt.%. The above resin composite and polyethylene with not less than 100,000 viscosity-average molecular weight are melted and kneaded with a biaxial extruder into modified polyethylene, with use of which, a fine porous film is formed.
Patent JP-2002341621-A (JP)
Title: Image forming device
Inventor: SENDA SEIICHI
IPC: G03G15/00
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device that selectively forms a color image and a monochromatic image at a low cost by selectively switching driving of each photoreceptor by a simple structure. SOLUTION: A laser printer 1 having a plurality of photoreceptor drums 13 for each color is provided with a drive shaft 35 that drives a plurality of the photoreceptor drums 13. By switching the drive of the drive shaft 35 between the normal direction and the reverse direction, the photoreceptor drum 13 for forming a color image and the other photoreceptor drum 13 for forming a monochromatic image are selectively driven. Thus, by only switching the drive of the drive shaft 35 between the normal direction and the reverse direction, the color image and the monochromatic image can be selectively formed while the device structure is simplified and the device cost reduced.
Patent JP-2002340510-A (JP)
Title: Detector for rotation angle
Inventor: USHIHARA MASAHARU
IPC: G01B7/30
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a rotation angle detector for accurately detecting the absolute angle of the steering section over multiple rotations, while the absolute angle position information of the steering section is essential to control the attitude of vehicles, such as automobiles. SOLUTION: The rotation angle detector comprises a second rotor 6, that is subjected to increase speed connection and a third rotor 10 subjected to decrease speed connection to a first rotor 2, that is coupled to a shaft to be measured. Magnets 12 and 15 are added to the second and third rotors 6 and 10, respectively; the rotation of the magnets 12 and 15 is detected by AMR elements 13 and 16, respectively. At the same time, backlash in the increase speed engagement between the first and second rotors 1 and 6, and the decrease speed engagement between the second and third rotors 6 and 10 is removed; then the rotation accuracy in each shaft is increased, thus enabling accurate measurement of the angle position where the degree of rotation of the rotary shaft is accurate and absolute over multiple rotations.
Patent JP-2002349472-A (JP)
Title: Turbo molecular pump
Inventor: TSUTSUI SHINGO
IPC: F04D19/04
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a turbo molecular pump capable of reducing the impact force when a rotor breaks. SOLUTION: This turbo molecular pump comprises a turbo pump mechanism for exhausting molecules with a turbo mechanism and a screw groove pump mechanism constituted of the rotor 2 and a fixed cylinder. The fixed cylinder comprises double cylindrical members 1DN and 1DS, and thickness of the inner cylindrical member 1DN is uniformed in response to the depth of a screw groove 1N. Therefore, the cylindrical member 1DN does not locally deform even when it receives the impact force due to breakage of the rotor 2.
Patent JP-2002340528-A (JP)
Title: Thin film measuring method using spectral ellipsometer
Inventor: NABATOBAAGABAIN NATALIA
IPC: G01N21/41
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a thin film measuring method, using a spectral ellipsometer for precisely and accurately determining a thin film structure and the wavelength dependence of a dielectric constant. SOLUTION: For ΨE, ΔE spectrum measuring data forming steps 10 and 20, measurement spectra ΨE (λi ) and ΔE (λi ) being changes in the polarizations of incident light and reflected light for each wavelength λi are obtained, with respect to the thin film on the surface of a substrate to be measured by changing the wavelength of the incident light. For ΨMk , ΔMk modeling spectrum calculation steps 21 and 22, [N0 (n0 , k0 )] of the substrate, [d1 , N1 (n1 , k1 )] of a first layer and [dj , Nj (nj , kj )] of a j-th layer are supposed using a dispersion formula, and further, a plurality of models having ϕk in the vicinity of a nominal incident angle (ϕ0 ) as a function are formed and modeling spectra ΨMk (λi ) and ΔMk (λi ) are obtained therefrom.  In comparing evaluation steps 23 and 24, ΨE, LE spectra and ΨMk , ΔMk modeling spectra are compared with each other, to determine a structure which obtained evaluation standard, as the measurement result.
Patent JP-2002350873-A (JP)
Title: Liquid crystal display element
Inventor: MATSUKAWA HIDEKI
IPC: G02F1/1339
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display element wherein an alignment state of any liquid crystal material is stabilized in the compatible relation to a sealing material and an inexpensive manufacturing method having a small number of stages can be realized. SOLUTION: The elution of the sealing material into a liquid crystal 3 is prevented by providing a seal barrier 10 forming a pattern parallel to a seal 6 inside the seal 6 to previously prevent the abnormality of the alignment state on the periphery of the seal 6.