baber/WOPTO huggingface dataset:
Patent JP-2004219212-A (JP)
Title: Optical switch
Inventor: WASHISU SHINTARO
IPC: G01N33/566
Filed: 2003-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical switch capable of controlling the operation of a circuit by detecting a pathogenic substance, a toxic substance, or the like as a switching signal, and applicable to various safety devices or the like.  <P>SOLUTION: The optical switch has a light irradiation means for irradiating with light, a light interference means capable of interacting with the switching signal, interfering with the light radiated from the light irradiation means and radiating it as interference light, and capable of changing the wavelength of the interference light after interacting with the switching signal, and a switching means provided in a course of the interference light for detecting wavelength change of the interference light radiated by the light interference means and carrying out either one of operating or stopping the circuit. It is preferable that the switching means has a wavelength change detecting part and a circuit operation control part, and the wavelength change detecting part has a form allowing transmission of only light with a specific wavelength and capable of detecting transmission of the light of the specific wavelength, a form of measuring a spectrum of the interference light before the wavelength change and a spectrum after the wavelength change and capable of measuring a differential spectrum, or the like.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004220293-A (JP)
Title: Display device
Inventor: SAWADA MUNENORI
IPC: G06F15/02
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To improve retrievability of data in a display device for the electronic data.  <P>SOLUTION: This display device 1 displays the whole of one page of the electronic data set with a fixed page partition to allow retrieval of target contents on the basis of a keyword and a page position thereof. Accordingly, a reader reading the electronic data by the display device 1 enables the retrieval (page position retrieval) of the desired contents on the basis of such memory that some contents are recorded in a specific portion of some page, so that the retrievability of the data in the display device 1 can be improved.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004227790-A (JP)
Title: Positive electrode active material for nonaqueous electrolyte solution secondary battery
Inventor: MIYAMOTO YOSHIFUMI
IPC: H01M4/505
Filed: 2003-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a positive electrode active material for a nonaqueous electrolyte solution secondary battery having superior battery characteristics even in a far severer use environment.  <P>SOLUTION: In the positive electrode active material for the nonaqueous electrolyte secondary battery composed of at least lithium transition metal complex oxide of a spinel structure, a heat generation starting temperature by a differential scanning calorimetry of the lithium transition metal complex oxide is 220°C or more, a calorific value by the differential scanning calorimetry of the lithium transition metal complex oxide is 700 to 900 mJ/mg. The absolute value of the difference between the heat generation starting temperature and the heat generation termination temperature by the differential scanning calorimetry of the lithium transition metal complex oxide is preferably 13°C or more.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004226214-A (JP)
Title: Device, system, method, and program for map information processing, and recording media storing the program
Inventor: MAEDA HIDENORI
IPC: H04W4/04
Filed: 2003-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a navigation system which reduces information amount of map information to be distributed.  <P>SOLUTION: A server unit 400 recognizes a travel route search request together with current position information and destination information from a terminal unit 300 over a network 200 and searches for a travel route with use of matching data of map information. The server unit 400 sends matching mesh information including node and link that represent a road corresponding to the travel route and display mesh information for areas other than the areas represented by the matching mesh information together with the information for the travel route to the terminal unit 300 over the network 200. The terminal unit 300 displays a road based on the matching mesh information and the information excluding the road based on the display mesh information on a terminal display. Thus, the information amount of the map information can be reduced thereby.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004225831-A (JP)
Title: Differential gear
Inventor: TERAOKA MASAO
IPC: F16H48/38
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a differential gear easy in manufacture, assembly and parts management having increased differential limiting force.  <P>SOLUTION: This differential gear comprises a pair of helical side gears 47, 49 supported in a differential case 45 in a relatively rotatable manner and adapted to individually draw outputs, and a pair of long and short helical pinion gears 51, 53 supported in at least a pair of cylindrical supporting holes 63, 65 formed in the differential case 45 and put in engagement with each other and joined in engagement with the helical side gears 47, 49, respectively, for transmitting the rotation of the differential case 45 to the helical side gears 47, 49 and allowing the relative rotation of the helical side gears 47, 49. The supporting hole 65 is formed passing through the short helical pinion gear 53, and the short helical pinion gear 53 and the helical side gear 47 have directly sliding rotatable end faces in the direction of a rotating shaft center.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004228503-A (JP)
Title: Portable terminal device
Inventor: YODA MASAHARU
IPC: G06F1/16
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable terminal device of a folding type in which the integrity of a flexible wiring board as well as of circuit boards can be maintained, by enhancing the durability of the flexible wiring board within a hinge section, and in which a wire, such as an antenna wire, is passed through the hinge.  <P>SOLUTION: The portable terminal device is constituted such that two housings 2a, 2b, in which circuit boards 15a, 15b are respectively housed are rotatably connected by a hinge section 4, wherein the circuit boards 15a, 15b within the two housings 2a, 2b are mutually connected electrically by a flexible wiring board 22, which is so arranged as to passes through a cavity formed in the hinge section 4. The portable terminal device is characterised in that the flexible wiring board 22 is bent in the cavity, and a cylindrical elastic member 23, having a penetration hole 24 extending longitudinally is arranged inside the twisted flexible wiring board 22.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004235770-A (JP)
Title: Semi-coaxial filter
Inventor: HAGIWARA EIJI
IPC: H01P1/205
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semi-coaxial filter of a folding structure, whose size is suppressed from becoming large even in a comparatively low frequency band.  <P>SOLUTION: A partition wall 11 is arranged in a conductor case 10 whose cross section is rectangular. Folding space is formed by the partition wall 11. A plurality of resonators 23 are arranged on an inner wall of the conductor case 10. A plurality of resonators 22 and 21 are disposed so that a central axis is positioned on an extension of a central axis of the resonator 23. A coaxial line 40 for mediating connection of the nearby resonators 23 and 22 is installed in the space. Thus, miniaturization is realized while having the folding structure.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232041-A (JP)
Title: Iron based casting having excellent machinability
Inventor: MURAKAMI YOSHIYUKI
IPC: C22C37/00
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an iron based casting which has excellent machinability, and is suitable as the stock for a quenching type cam shaft.  <P>SOLUTION: A flake graphite cast iron casting has a composition comprising, by mass, 0.05 to 0.12% S and 0.2 to 0.7% Cu, and preferably comprising 2.8 to 3.8% C, 1.5 to 2.5% Si, 0.5 to 1.0% Mn, ≤0.3% P, 0.05 to 0.15% S and 0.2 to 0.6% Cu, and the balance Fe with inevitable impurities, and has structure where the base structure in the central part is mainly made up of a pearlitic phase, and the base structure in the surface layer part consists of a ferritic phase in 20 to 50% by area ratio, and the balance pearlitic phase. Thus, its machinability is improved, and preferably a cam shaft with prescribed shape and dimensions is easily obtained by working.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004231845-A (JP)
Title: Gelling agent and method for carrying out gelling agent of organic substance having fluidity
Inventor: HOSODA ASAO
IPC: C07B53/00
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gelling agent having good handleability because of low molecular weight and capable of applying to gelation of various kinds of organic substances having fluidity in a low concentration and to provide a gelling method of these organic substances.  <P>SOLUTION: The gelling agent comprises at least optically active inositol derivative represented by formula (1). The gelling agent can be applied to gelation of various kinds of organic substances having fluidities in a low concentration, though the agent is composed of low molecular weight compound and is readily soluble in various kinds of organic solvents. The gelling agent enables stabilization of compositions containing organic substances having fluidity by gelation and application in various fields is expected in the gelling agent, because the gelling agent enables gelation of various kinds of organic substances having fluidity.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004231491-A (JP)
Title: Coloring agent and method of manufacturing colored glass
Inventor: MAEDA YOSHIBUMI
IPC: C09D1/00
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coloring agent for glass capable of brightly and deeply coloring using gold and silver as coloring sources and a method of manufacturing a colored glass having a colored coating film formed by using the coloring agent.  <P>SOLUTION: The coloring agent comprising (A) gold microparticles, (B) an organic silver compound, (C) an organic compound having amino group, (D) a film forming compound, (E) a binder resin, and (F) an organic solvent is painted on the surface of a glass substrate, dried, and then baked at 400-800°C to form the colored coating film. The film forming compound (D) comprises an organic metal compound containing ≥1 kinds of metals selected from titanium, zirconia, tin, iron, and nickel and ≥1 kinds of organic silicon compounds.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232060-A (JP)
Title: Heat resistant magnesium alloy for casting and heat resistant magnesium alloy casting
Inventor: TANIZAWA MOTOHARU
IPC: C22C23/02
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat resistant magnesium alloy for casting superior in heat resistance and castability.  <P>SOLUTION: The heat-resistant magnesium alloy for casting comprises 1-15% Ca when considering the whole as 100 mass%, Al so as to make a total with Ca into 4-25 mass%, and the balance Mg with unavoidable impurities. The heat resistant magnesium alloy exerts a superior effect on inhibition of cracking during casting, together with being inexpensively manufactured.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004234485-A (JP)
Title: Automatic number plate recognition device
Inventor: SAWAI JUNKO
IPC: G06T7/40
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly accurate automatic number plate recognition device capable of accurately recognizing even a number plate of a motorized two-wheeled vehicle in a small plate size or the like regardless of the inclination of the number plate.  <P>SOLUTION: After detecting the number of times of the luminance change of image data picked up by an image pickup device 1, a ternary coding processing is performed corresponding to the number of times of the luminance change. When the change pattern of a ternary code becomes the combination of the ternary code "3-1-2" continuous in a prescribed area or the combination of the ternary code "3-2" continuous in the prescribed area, recognition is performed as the number plate.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004241131-A (JP)
Title: Field emission type two pole device
Inventor: OMURA YASUHISA
IPC: H01J1/304
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a field emission type two pole device in which the threshold voltage for electron emission can be decreased easily without increasing anode voltage.  <P>SOLUTION: A high dielectric constant insulating region 5 is formed at least at the tip part 2a of the electron emission source 2. When the voltage is impressed on the high dielectric constant insulating region 5 as the anode voltage is impressed, dielectric polarization is brought about, thereby electrons existing at the cathode substrate 1 and the electron emission source 2 are attracted to the tip part 2a of the electron emission source 2 that contacts the high dielectric constant insulating region 5. Thereby, by the electrons attracted to the tip part 2a of the electron emission source 2, tunnel probability of jumping out of the electron emission source 2 to the high dielectric constant insulating region 5 and to the vacuum region 8 increases, and the emission current density increases.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004241285-A (JP)
Title: Electromagnetic wave leakage preventing fixture for electromagnetic cooker, and cooking pan having the same
Inventor: HIRANO TAKESHI
IPC: F24C15/36
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To prevent electromagnetic waves from leaking from an electromagnetic cooker and removes the cooking person's anxiety.  <P>SOLUTION: An electromagnetic wave leakage preventing fixture for the electromagnetic cooker is attached to the electromagnetic cooker 1, and prevents electromagnetic waves from leaking from an electromagnetic induction coil 2 toward the cooking person, wherein the electromagnetic cooker 1 is provided with the electromagnetic induction coil 2 and a top plate 3 disposed above the electromagnetic induction coil 2, and heats a cooking pan 4 mounted on the top plate 3 by the electromagnetic induction of the electromagnetic induction coil 2. The fixture is composed of a transparent or translucent curtain-like member, and covers the entire face between the electromagnetic cooker 1 and the cooking person 6.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004240260-A (JP)
Title: Optical measurement method and image display device
Inventor: YAMAGUCHI AKIRA
IPC: G01M11/00
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light measurement method with which surface reflection luminance, maximum luminance and minimum luminance are measured without using an external luminance meter in an image display device using a non-light emissive transmission display and the image display device using the same.  <P>SOLUTION: In the optical measurement of the image display device having the non-light emissive transmission display and a backlight to make light from the backlight incident on a non-observation surface of the display, in measuring external light incident on the display with an optical sensor, measurement is carried out by setting the display in a prescribed transmission state and the backlight in a turned-off state, and in measuring the backlight, the measurement with the optical sensor is carried out by setting the display in a minimum transmission state and the backlight in a turned-on state. Thus the problem is solved.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004244803-A (JP)
Title: Drainage conduit forming device
Inventor: SAKAI HIROSHI
IPC: A01B13/08
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drainage conduit forming device for smoothly filling a hydrophobic material such as wooden chips and shells in large quantities in a drainage conduit part.  <P>SOLUTION: This drainage conduit forming device mounts a hopper 10 for housing the wooden chips being the hydrophobic material on a work vehicle 2 capable of traveling on a paddy field; has an excavating tool 40 for excavating a drainage conduit (a drainage conduit hole, and a wooden chip supply groove) on the rear side of the work vehicle 2; forms the drain closed conduit 4 in the paddy field by towing the excavating tool 40 in the horizontal direction by travel of the work vehicle 2; and fills the wooden chips supplied from the inside of the hopper 10 in this drainage conduit 4. This drainage conduit forming device has a conveyor 20 for discharging the wooden chip from the hopper 10, and an auxiliary hopper 30 for supplying the wooden chips to the drainage conduit 4 formed by the excavating tool 40 by collecting the wooden chips discharged by the conveyor 20. The conveyor 20 is provided with an adjusting part 50 for restraining an excessive discharge quantity of the wooden chips carried by the conveyor 20.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004239244-A (JP)
Title: Simplified generator
Inventor: TOMINAGA HAJIME
IPC: F03G1/06
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simplified generator capable of generating power with vibration by walking, motion, or the like of a person who uses it for charging a power supply for a mobile telephone or the like.  <P>SOLUTION: A power output section, respective types of gears, and a generation portion 16 are provided in a case 1. The power output section which works by the vibration transmitted from an outer portion is provided as the power output section. The power output section and a rotating gear 3 in unidirectional rotation are engaged to engage the rotating gear 3 with a driving floating gear 4 in unidirectional rotation. The driving floating gear 4 and a main spring gear 5 in bidirectional rotation provided with a main spring 5a are engaged to be provided with the main spring gear 5 and a generating floating gear 14 which is engaged and rotated in a reverse rotation of the main spring gear 5. The generating floating gear 14 and the generating gear 15 in unidirectional rotation coaxially provided with a rotating shaft 15a of a generation portion 16 are engaged, and the driving floating gear 4 and the generating floating gear 14 are set freely open from the other engaged gear.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004247069-A (JP)
Title: Lamp for vehicle
Inventor: SUZUKI NOBUYUKI
IPC: F21W101/14
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that irregularities in luminance become large on a luminous surface at an LED lamp side and quality in display as an entire lamp for vehicles is deteriorated by mixing a lamp using an incandescent lamp as the light source in the lamp for vehicles using an LED lamp as the light source.  <P>SOLUTION: The lamp for vehicles includes an LED lamp 1A using the LED lamp as the light source at least at one portion. In the LED lamp 1A, a reflection surface 3 for reflecting nearly entire luminous flux from the LED lamp 2 to an irradiation direction is provided, and direct light from the LED lamp 2 does not reach the irradiation direction. The configuration of the part of the LED lamp 1A is set to be the lamp 1 for vehicles. In the lamp 1 for vehicles, a lamp assembly where the LED lamp and the reflection surface are assembled as a specific position is mounted to a housing 7, where no openings are provided at a vehicle body side. As a result, irregularities in light are removed at a portion using the LED lamp as the light source and hence the problem is canceled.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004243729-A (JP)
Title: Method for composite-molding metallic material and polymeric material
Inventor: NAKAMOTO TOSHIYA
IPC: B29K105/22
Filed: 2003-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To augment the surface adhesive strength of a composite of a metallic material and a polymeric material such as a resin by insert molding.  <P>SOLUTION: The metallic material having a surface electrochemically treated and a molding of a polymeric material such as a resin are composite-molded by inserting the metallic material in an injection mold. Further, the surface bonding strength between the metallic material and the molding is augmented by vibrating the polymeric material in an injection molding cycle of the molding. The vibration of the polymeric material is performed in either of a measurement process, an injection process or a dwelling process in the injection molding cycle.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251944-A (JP)
Title: Display having diffraction grating pattern
Inventor: KISHIMOTO YASUSHI
IPC: G02B5/18
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display having a diffraction grating pattern in which a region where recording information for determining truth or falsehood has been recorded is difficult to distinguish, and to which further higher counterfeit prevention effect is imparted and improving of the visibility as a display, and increasing the degree of freedom of design can be realized.  <P>SOLUTION: Incident light from a light source 10 is diffracted at diffraction angles set by diffraction grating elements 21a, 21b, 21c and 21d of a diffraction grating array, forms images at image forming points 31a, 31b in space, to project the images on a projection screen. Furthermore, multiple identical image forming points like the points 31a, 321b are disposed to project a specific pattern on the screen by collection of the identical image forming points, and by confirming the pattern, the truth or falsehood can be judged.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004250742-A (JP)
Title: Method and apparatus for desulfurizing molten pig iron
Inventor: ONODA DAISUKE
IPC: C21C1/02
Filed: 2003-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for desulfurizing molten pig iron, capable of desulfurizing the molten pig iron constantly with a stable high efficiency, and to provide an apparatus for desulfurizing the molten pig iron.  <P>SOLUTION: This desulfurization method comprises irradiating a surface of the molten pig iron 12 with a microwave emitted from microwave rangefinders 16 and 16 of a level difference-detecting device 15 in the process of stirring the molten pig iron 12 with an impeller-type stirrer 13, to detect a level difference (difference of elevation) ΔL between two spots on the surface of the molten pig iron, each of which has different distance between itself and the center of the stirrer 13, from the other; supplying a signal output from the level difference detecting device 15 to a control unit 18; making an arithmetic section 19 in the control device 18 calculate a stirred flow speed of the molten pig iron 12; making a rotational speed control section 20 of the control device 18 control the rotation speed of the impeller-type stirred 13 on the basis of a computed result in the arithmetic section 19; and making the impeller position control section 22 of the control device 18 control the position of the impeller of the impeller-type stirred 13 on the basis of the computed result in the arithmetic section 19.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004216093-A (JP)
Title: Acupressure therapy device
Inventor: HAYASHI HIDEMASA
IPC: A61H23/02
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an acupressure therapy device, adjusting the pressing force by projecting or recessing a pin, freely setting the layout of acupressure therapy elements, freely selecting the size and shape of a mount plate, used according to a purpose, and effectively performing acupressure therapy using acupressure material made of germanium, a heater and a vibrator.  <P>SOLUTION: This acupressure therapy device is characterized in that the mount plate is provided with a plurality of acupressure therapy element bodies having the pins formed of an elastic body to be projected and recessed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI