baber/WOPTO huggingface dataset:
Patent JP-2003017665-A (JP)
Title: Thin film magnetic material storage device
Inventor: HIDAKA HIDETO
IPC: G11C11/16
Filed: 2001-08-10
Abstract: PROBLEM TO BE SOLVED: To provide a thin film magnetic material storage device where each memory cell comprises the tunnel magnetoresistance element of even magnetizing property. SOLUTION: The tunnel magnetoresistance element TMR constituting a magnetic material memory cell comprises a fixed magnetic layer 102 having a fixed magnetic field in a fixed direction, a free magnetic layer 103 which is magnetized by an applied magnetic field, and a tunnel barrier which is an insulator film and is provided between the fixed magnetic layer 102 and the free magnetic layer 103 in a tunnel junction region 115. Related to the free magnetic layer 103, the region corresponding to a magnetization easy axis region 110 which has such property as desirable as a memory cell is used as the tunnel junction region 115. Meanwhile, magnetization difficult axis regions 112 and 114 which have the property not desirable as the memory cell are not used as a component of the tunnel magnetoresistance element TMR.
Patent JP-2003058992-A (JP)
Title: Center, terminal and system capable of distributing map data
Inventor: TAKAYANAGI YUICHI
IPC: G08G1/137
Filed: 2001-08-10
Abstract: PROBLEM TO BE SOLVED: To provide a center device, a terminal and a map data distribution system, by which map data processed in accordance with a time zone can be distributed. SOLUTION: This system is composed of a map database 1 for storing map data, a traffic control center 3 for managing regulation and congestion information, a communication means 4 for exchanging data with the terminal, a weather information server 5 for managing weather information, a time zone setting means 6 for setting a data mode to the terminal corresponding to the time zone, a display mode setting means 7 for setting the display mode of the map to be displayed, a route server 8 for managing sightseeing guide information and a center server 2 for controlling the respective components of the center device.  In the center server 2, in accordance with the weather information obtained from the weather information server 5 and the data mode in the time zone obtained from the mode setting means 6, the background color of the map is selected and the map data to be transmitted are extracted from the map database 1 and transmitted to the terminal.
Patent JP-2003060983-A (JP)
Title: Imaging device
Inventor: SAKURAI JUNZO
IPC: H04N1/409
Filed: 2001-08-10
Abstract: PROBLEM TO BE SOLVED: To provide an imaging device that can properly correct the color aberrations of a lens, even when the highlight part of an imaging signal is saturated. SOLUTION: The imaging device is provided with a luminance estimate means (3) that uses other image signal (15), photographed at an exposure level different from an image signal being a correction object for a part of signal, whose luminance is saturated in the image signal and estimates the original luminance, and a correction amount revision means (16), that revises the correction amount of a correction means on the basis of the estimated luminance.
Patent JP-2003061108-A (JP)
Title: Color demodulation circuit
Inventor: FUKUMORI HIROYUKI
IPC: H04N9/66
Filed: 2001-08-20
Abstract: PROBLEM TO BE SOLVED: To provide a color demodulation circuit that can provide an output of color difference signals without the need for a filter. SOLUTION: A sampling circuit 14 samples a chrominance signal C, with a chrominance subcarrier frequency fsc and produced by applying orthogonal modulation to the amplitude of a chrominance subcarrier with the chrominance subcarrier frequency fsc by color difference signals Cr and Cb, at a sampling period Tsc (=1/(4×fsc)) and provides an output of a sampling chrominance signal C corresponding to the amplitude of the chrominance subcarrier denoted by the chrominance signal C at the sampling. A phase data generator 11 outputs a sine wave signal co corresponding to the amplitude of a sine wave by each sampling period Tsc. A multiplier 1 multiplies the sampling chrominance signal C with the sine wave signal co to produce a first demodulation signal Cb'.  An adder 6 adds the first demodulation signal Cb' to a delayed first demodulation signal Cb' to produce a first digital color difference signal Cb.
Patent JP-2003052745-A (JP)
Title: Body fluid absorber
Inventor: KUSUGAMI TERUMI
IPC: A61F13/539
Filed: 2001-08-20
Abstract: PROBLEM TO BE SOLVED: To provide a body fluid absorber which hardly gives rise to rewetting while taking advantage of the hygroscopicity possessed by cellulose fibers, is comfortable in wearing and makes the absorption state of body fluid visible from the surface. SOLUTION: This body fluid absorber is a laminate formed by successively superposing a first layer consisting of a nonwoven fabric containing the cellulose fibers, a second layer consisting of a synthetic fiber nonwoven fabric imparted with hydrophilicity, a third layer consisting of an absorber and a fourth layer consisting of a liquid impermeable external material. The first layer is used on the skin surface side and the absorbed body fluid is made visible from the first layer side.
Patent JP-2003066361-A (JP)
Title: Optical deflector, its manufacturing method, optical scanning module, optical scanner, image forming apparatus and image display device
Inventor: NAKAJIMA TOMOHIRO
IPC: B41J2/44
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide an optical deflector in which a movable mirror can be difficult to undergo flexural deformation in spite of the thinness of the movable mirror consequently can be made thin thereby the movable mirror can be subjected to reciprocal vibration at large amplitude with small power, its manufacturing method, an optical scanning module, an optical scanner, an image forming apparatus and an image display device. SOLUTION: In this optical deflector in which the movable mirror 100 is formed integrally with a torsion bar 101 for journaling the movable mirror and light beams are deflected by reflecting the light beams with the movable mirror 100 that is subjected to reciprocal vibration, the movable mirror 100 can be difficult to undergo flexural deformation when the movable mirror performs reciprocal vibration in spite of the thinness of the movable mirror 100 by making the movable mirror 100 curved to be of an arch type inside a cross section including at least the torsion bar 101, and reciprocal vibration can be performed at large amplitude with small power because the movable mirror 100 can be made to be thin.
Patent JP-2003065314-A (JP)
Title: Spring washer
Inventor: TAKATANI SHIGENORI
IPC: F16B43/00
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a spring washer capable of reducing the weight with impairing the looseness prevention effect. SOLUTION: A pair of a screw thread 3 and a root of thread 4 are formed wavelike by continuing not less than 3 pairs in the circumferential direction. The interval between the screw thread 3 and the screw thread 3 becomes narrow, then a spring washer 1 is hard to elastically deform. As a result, the thickness is made thinner with securing the same elastic restoring force (looseness prevention effect) as previously.
Patent JP-2003066720-A (JP)
Title: Electrophotographic printer
Inventor: TAKEUCHI YOICHI
IPC: G03G21/16
Filed: 2001-08-24
Abstract: PROBLEM TO BE SOLVED: To withdraw and insert a developing device without scratching the surface of a photoreceptor drum of a printer, in which the developing device can be withdrawn and inserted without detaching the photoreceptor drum. SOLUTION: A tilt is made in one part of each of the rail members of the printer. The part is situated right after the developing device is moved from above an adjust screw. Four rolls, right and left, of the developing device are moved along the parts. Thus, the developing device is moved downward away from the photoreceptor drum while the magnetic roll and photoreceptor drum of the developing device are kept parallel to each other.
Patent JP-2003066656-A (JP)
Title: Two-component system developer and image forming method
Inventor: KITANI TOMOE
IPC: G03G9/08
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a two-component system developer containing a carrier which has performance of not giving rise to a change in the amount of toner deposition to a transfer material in spite of progression of the wearing out of a coating layer of a carrier core material and not giving rise to a fluctuation in the resistance value of the carrier and to provide an image forming method by which good image density can be obtained through the entire part of the life and the electrophotographic images having good image quality free of the occurrence of fogging and character fringes can be obtained. SOLUTION: The two-component system developer which is a two-component developer having toners containing a binder resin and coloring agents and a carrier, in which the carrier consists of a carrier core material having the coating layer containing metal oxide particles and the density of the metal oxide particles in the coating layer is smallest at the boundary with the carrier core material and the image forming method using the two-component system developer described above.
Patent JP-2003065966-A (JP)
Title: Foreign matter inspecting method to film and apparatus therefor
Inventor: ARAI TAKESHI
IPC: G01N21/892
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a foreign matter inspecting method to films which enables speedy and highly accurate inspection of a foreign matter from the film in which particles or the like are present, and an apparatus therefor. SOLUTION: A detecting optical system of two systems of an oblique illumination and a vertical illumination is provided to a film-like object to be inspected where particles having different optical characteristics or the like are present. A gray level difference between the foreign matter and particles or the like present in the film is detected from an imaged image by selecting an irradiation angle and a wavelength of an illumination light. The foreign matter is discriminated on the basis of the difference, and moreover, a foreign matter type, a size and detected coordinate information of the foreign matter are outputted as the inspected result, whereby the quality control for products is improved.
Patent JP-2003066673-A (JP)
Title: Recorder
Inventor: MIYA SHIGEYUKI
IPC: G03G21/10
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a recorder by which residual toner on an intermediate transfer belt is surely continuously removed regardless of the length of a use period. SOLUTION: The recorder 100 using the intermediate transfer belt 106 when a color image is formed by overlapping the toner images of several colors formed on a photoreceptor 115 and is transferred to recording paper is provided with a destaticizing roller 202 by which the surface potential of the intermediate transfer belt 106 is adjusted so as to cause a difference between the potential of a cleaning roller 107 to remove the residual toner on the intermediate transfer belt 106 and that of the intermediate transfer belt 106 and also pressure is applied to the intermediate transfer belt 106 from a side opposed to the cleaning roller 107 and on the downstream side of the intermediate transfer belt 106 in a feeding direction.
Patent JP-2003059718-A (JP)
Title: Magnetizing unit and rotary magnetizing method using the same
Inventor: FUJIHASHI TSUYOSHI
IPC: G01P3/487
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a magnetizing unit which is capable of accurately magnetizing a ring which forms a magnetic encoder and a rotary magnetizing method by the use of the same. SOLUTION: Side heads 3b and 3c are provided on the sides of a center head 3a wound with a coil 2. By this setup, a magnetic flux leaks less, and rings 1a and 1b can be accurately magnetized.
Patent JP-2003065002-A (JP)
Title: Steam turbine blade and steam turbine
Inventor: MURAKAMI ITARU
IPC: F01D5/30
Filed: 2001-08-30
Abstract: PROBLEM TO BE SOLVED: To obtain a steam turbine blade which can increase a ring-shaped area of a blade at the final stage to realize a large capacity of a steam turbine. SOLUTION: In the steam turbine blade at low-pressure steam turbine stage with a rotation frequency f of 50 Hz or 60 Hz at rated operation, if there is the relation of (L+3×D)×f>=14500 or L×(L+D)×f<2> >=1.55×10<7> wherein an effective length of blade is L inches and a diameter at the root of the blade is D inches, the blade is formed by a titanium alloy, a mounting section of a curved-entry christmas shape is provided at a connecting section with a rotor,  it is so formed to satisfy the relation of 3.5<=P/W<=7.0 for the ratio P/W wherein W is a width of a blade cross section at the blade tip section in the axial direction of turbine and P is a pitch of blade or the relation of 0.8<=P/C<=1.0 for the ratio P/C wherein C is a cord length of blade section at the blade tip section and P is a pitch of blade at the position of the section and all the adjacent blades at the step are movably connected to each other.
Patent JP-2003038529-A (JP)
Title: Syringe container for sealing up resin for filling crown and facing crown
Inventor: KIKUCHI MINEYUKI
IPC: A61C13/38
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus which enables the taking out of a product with a shape more similar to the shape of a tooth and easier to work than ever in the slicing of a resin material extruded by making the shape in the cross section of a syringe container for filling crowns and facing crowns or that of an injection port of the resin material more similar to the shape of the tooth in stead of being circular in the past. SOLUTION: The shape of the syringe container for filling crowns and facing crowns or that of the injection port of the resin material is made more similar to the shape of a tooth.
Patent JP-2003072639-A (JP)
Title: Intake system part installation structure for motorcycle
Inventor: NAGASHII TOSHIHISA
IPC: B62J17/00
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To solve a problem of designing difficulty because of installation limitation due to installation of intake system parts such as an intake duct cover onto a cowling to avoid a cowling parted part. SOLUTION: In this intake system part installation structure, the intake duct cover 60L is installed on the cowling parted part 43. Intake system parts connected to the parted part achieve a function of bridging material between an upper cowl and a lower cowl. This results in extremely improving coupling strength of the parted part. Limitation in designing in conventional devices due to installation of the intake system parts to avoid the parted part is eliminated. Since the parted part need not be avoided, a freedom degree in designing is extremely improved.
Patent JP-2003078753-A (JP)
Title: Image processor and image processing method
Inventor: MIYAKE NOBUTAKA
IPC: G06T1/00
Filed: 2001-09-04
Abstract: PROBLEM TO BE SOLVED: To provide an image processor and an image processing method that can enhance detection (extraction) accuracy of attached information imbedded in an image, optimize an extract time, realize optimum design of image quality, and realize control of the image quality in the case of imbedding the attached information to the image and optimum design of the detection (extraction) accuracy. SOLUTION: The image processing apparatus includes an image input means that reads a recording medium on which an image with prescribed information imbedded thereto is formed and inputs an image corresponding to the recordings, an information input means that inputs information with respect to the kind of the recording medium, an extract means that extracts the prescribed information from the inputted image according to a prescribed extraction method, and a changeover means that selects the extraction method by the extract means on the bas of the inputted information.
Patent JP-2003083396-A (JP)
Title: Reciprocating engine balancer
Inventor: TAKAHATA KATSUHIKO
IPC: F16F15/26
Filed: 2001-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a device capable of lowering rotational speed of a balance shaft that is rotated at a speed twice as fast as engine revolution speed. SOLUTION: The device includes a balancer shaft 7 rotated interlocking with a crank shaft 1, a cam 8 firmly fixed to the balancer shaft 7, and a balance mass 13 engaged with the cam 8 and reciprocated several times while the balancer shaft 7 is rotated once.
Patent JP-2003080168-A (JP)
Title: Vibration generator and electronic apparatus with vibration generator mounted thereon
Inventor: MASUDA ATSUSHI
IPC: B06B3/00
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a vibration generator which can be mounted on a small- sized apparatus and can generate a variegated vibration. SOLUTION: A stepping motor 2 is set in a case 1, and the rotary shaft 6 of the stepping motor 2 is energized by the tip of an elastic member 4 fixed in the case 1. By controlling the stepping motor 2 by giving driving pulse thereto, the impact due to step driving or the damped vibration due to impact is obtained, causing the case 1 to vibrate by the impact or damped vibration. By using the stepping motor 2, the control of rotation is facilitated. By changing the frequency or amplitude of vibration, a varied vibration can be given to the case 1.
Patent JP-2003017960-A (JP)
Title: Gain control amplifier circuit
Inventor: SUZUKI TAKEO
IPC: H04B1/16
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a gain control amplifier circuit that can widen the control range of the amplifier gain of a couple of transistors(TRs) 11 , 12 even when a low power supply voltage is adopted. SOLUTION: The gain control amplifier circuit is provided with a couple of TRs 11 , 12 that respectively have emitter resistors 21 , 22 , receive a balanced signal between the bases, output an amplified balanced signal from between the collectors, a PIN diode 6 connected between the emitters of the couple of the TRs 11 , 12 via DC block capacitors 71 , 72 and gain control voltage supply circuits 81 to 83 that supplies gain control voltage across the PIN diode 6.
Patent JP-2003064461-A (JP)
Title: Continuous galvanizing treatment equipment and continuous galvanizing treatment method
Inventor: KOGA SHIGENOBU
IPC: B21B1/22
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a line and a method for continuous heat-treating a high- class galvanized strip subjected to hot rolling into high quality and at low cost. SOLUTION: The continuous galvanizing treatment equipment includes a pickling part for removing the scale of a hot-rolled strip, a rolling mill for reducing the sheet thickness of the strip from which the scale is removed, a furnace part for annealing the strip discharged from the rolling mill, and whose sheet thickness is reduced, and a plating part for subjecting the annealed strip to galvanizing. In this treatment equipment and the above method, the change of the sheet thickness along the longitudinal direction of the strip before annealing of the hot rolled sheet is minimized, and the annealing conditions of the hot rolled steel sheet are uniformized, thereby obtaining high productivity and high quality.
Patent JP-2002160039-A (JP)
Title: Seat faced engine valve and its manufacturing method
Inventor: LARSON JAY M
IPC: B21J5/08
Filed: 2001-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a method which reduces waste of a material in seat facing work of an engine poppet valve and also reduces number of steps for machining work. SOLUTION: In the improved method to manufacture the engine poppet valve, in order to prevent burn-through during the welding process, prior to seat facing the valve 50, an unfinished poppet valve is prepared, which has a valve head of initial diameter d1, and an interface 56 of initial thickness t1 between a seat facing groove 54 and a combustion face 18. After seat facing, coining the valve head reduces the initial thickness t1 of the interface 56 to a designated thickness t2 while enlarging the diameter of the valve head from the initial one to a final, designated one.
Patent JP-2003082082-A (JP)
Title: Method for producing polyester by using mesoporous material
Inventor: OCHI TAKASHI
IPC: C08G63/78
Filed: 2001-09-13
Abstract: PROBLEM TO BE SOLVED: To solve problems caused by using an antimony catalyst, and provide a more efficient method for producing a polyester. SOLUTION: This method for producing the polyester is to perform a polycondensation reaction in the presence of a mesoporous material.
Patent JP-2003087569-A (JP)
Title: Communication control terminal device and storage medium
Inventor: HOSOKAWA YUKO
IPC: H04L29/06
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a communication control terminal device capable of a simultaneously communicating with a plurality of the same protocols or different protocols without giving influence to each other with one CPU, and a storage medium. SOLUTION: This communication control terminal device which has a storing means for storing information with a prescribed code, an encoding/decoding means for decoding/encoding the information and a plurality of communication control means for communicating the information, and transmits information data converted into a code for communication by the encoding/decoding means through the communication control means, changes performance times of the encoding/decoding means in accordance with communication procedures with which the communication control means operate.
Patent JP-2003089076-A (JP)
Title: Nail driving machine
Inventor: HAMADA MASAO
IPC: B25C1/04
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To solve the problems that a cross sectional area of a filter is increased, meshes of the filter are clogged by impurities, and impurities stop in front of the filter in a nail driving machine having the filter 1 preventing the entry of impurities such as trash into the inside thereof. SOLUTION: The filter 1 having the cross sectional area which is larger than a cross sectional area of a flow-in port 3 and smaller than a cross sectional area in the direction of vertical cross section of a handle 5 is attached to the air flow-in port 3 on an end face behind the handle 5 forming a pressure accumulation chamber 2 therein.
Patent JP-2003083709-A (JP)
Title: Writing instrument for writing discrimination system
Inventor: YOSHIDA TETSUO
IPC: G01B7/30
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To obtain a writing instrument which is provided with a simple constitution and whose adjusting labor is smaller in the writing instrument for a writing discrimination system used to discriminate a writing operation on the basis of the characteristic property of the inclination with reference to the writing instrument mainframe of a core when a stroke is made. SOLUTION: The writing instrument 10 for the writing discrimination system is provided with the core 11 supported by the wiring instrument mainframe 13, a magnet 32 installed at one from among the core 11 and the mainframe 13 and a magnetometric sensor 34 which is installed at the other from among the core 11 and the mainframe 3 so as to detect the magnetic field of the magnet 32. On the basis of the output of the magnetometric sensor 34, the inclination with reference to the mainframe 13 of the core 11 is detected.