baber/WOPTO huggingface dataset:
Patent JP-2003228972-A (JP)
Title: On-vehicle disk drive unit
Inventor: HIDAKA KENJI
IPC: G11B33/08
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an on-vehicle disk drive unit which is hardly affected by variation in the temperature in a cabin and stably operates even when mounted on a car, etc.  <P>SOLUTION: The on-vehicle disk drive unit 1 comprises a casing 3 which stores a disk drive 2, a Peltier element 4 as a temperature control means which has its top surface in contact with the casing 3 across an intermediate plate 18, a heat sink 5 which has its base piece 50 in contact with the reverse surface of the Peltier element 4, an electric fan 6 which blows air to the heat sink 5, and a housing 11 in which the casing 3 is stored at an upper part, and the heat sink 5 and the electric fan 6 are fixed at a lower part.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003230276-A (JP)
Title: Control method for power converter
Inventor: ODAKA AKIHIRO
IPC: H03K17/16
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control method for a power converter capable of preventing the generation of a spike voltage by a two-way switch and reducing loss induced by a reverse-leakage current.  <P>SOLUTION: A step-down alternating current chopper circuit is constituted by using a first bidirectional switch SWa composed of two semiconductor switches Q1, Q2, and a second two-way switch SWb composed of two semiconductor switches Q3, Q4, for an alternating current power supply AC. The Q1, Q3 are turned on by a pulse-signal control circuit 21 all the time when the polarity of a power supply voltage of the alternating current power supply AC is positive, and alternately on/off-controlled at intervals of dead times wherein both the Q2, Q4 are simultaneously turned off. The Q2, Q4 are turned on all the time when the polarity of the power supply voltage is negative, and alternately on/off-controlled at intervals of dead times wherein both the Q1, Q3 are simultaneously turned off.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003229317-A (JP)
Title: Internal combustion engine
Inventor: NISHIMURA TAKUSHI
IPC: F02P15/00
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To fully satisfy insulation and a high output in an ignition coil for an internal combustion engine supplying a high voltage to a spark plug under a strictly limited space.  <P>SOLUTION: This engine provides an iron core and a secondary coil winding a secondary conductive wire to a secondary bobbin coaxially with the iron core and a primary coil winding a primary conductive wire to a primary bobbin. In is characterized in that the engine makes narrower the channel width of a separating width channel of the secondary bobbin, which is the channel width of a bobbin separating width channel of the low-voltage side and the high- voltage side of the secondary bobbin positioning at both ends rather than the center of the secondary bobbin, in an ignition coil for the internal combustion engine of a cylinder type accommodated inside a plug hole connected directly to the spark plug.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003229107-A (JP)
Title: Battery pack
Inventor: ODA TAKASHI
IPC: H01M10/60
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the difference of temperature between the adjoining batteries connected in series and to make uniform the temperature of a plurality of batteries connected linearly while reducing the electric resistance.  <P>SOLUTION: In the battery pack, the end faces of the batteries arranged facing each other are directly or through a connection unit 20 welded each other and a plurality of batteries 10 are connected linearly. In the battery pack, a gap 54 is provided between the end faces of the batteries 10 connected linearly and a damper part 55 which has electrical conductivity and heat conduction and is capable of elastic deformation is arranged in this gap 54 in a state of being compressed elastically. This damper part 55 depresses the facing face to the end face of the battery by its own restitutive force. Furthermore, the damper part 55 electrically connectes the end faces of the battery provided facing with each other and makes contact with the end faces of the battery provided facing with each other in a state of heat conduction.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003219783-A (JP)
Title: Planting structure in which germination of weed is prevented by using slag after refining copper
Inventor: HAYASHI MASAHIRO
IPC: A01M21/00
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plant structure lowering germination ability of seeds and preventing germination of weeds without almost having influence on growth of trees.  <P>SOLUTION: The planting structure is obtained by laying copper slag 2 after refining copper on a planted ground 1 as shown in Fig. 1. The slag 2 has black color, large water permeability, small expansibility by water absorption and grain constitution not causing caking. Decomposed granite soil and the slag 2 may be laid in turn on the planted ground. The laying thickness of the slag is 1-20 cm. The slag has 0.15-3.0 mm particle diameter and 3.41±0.20% fineness module.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003225205-A (JP)
Title: Fully corrected vision characteristics measuring apparatus and method, contrast sensitivity measuring apparatus and method and contrast sensitivity target presentation device
Inventor: HIROHARA YOKO
IPC: A61B3/06
Filed: 2002-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fully corrected vision characteristics measuring apparatus which can measure vision characteristics of eyes to be examined as being fully corrected.  <P>SOLUTION: There are provided a refractivity correction part 700 for correcting the refractivity of eyes 400 to be examined, an adjusting state measuring part 800 which measures whether a target observed by the eyes 400 to be examined through the refractivity correction part 700 is included within an adjusting range of the eyes 400 to be examined and a correction value correcting means 360 which amends a correction value of the refractivity correction part 700 so that the eyes 400 to be examined may be fully corrected based on the results of the measurement made by the adjusting state measuring part 800. Vision characteristics of the eyes 400 to be examined are measured in the correction values of the refractivity correction part 700 under the full correction depending on the responses from persons having the eyes 400 to be examined with respect to the target presented thereto.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003221473-A (JP)
Title: Rubber composition
Inventor: MARUYAMA TSUKASA
IPC: C08L21/00
Filed: 2002-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a rubber composition consisting of a rubber clay nanocomposite in which a layer sheet of a mineral treated with an organic compound is dispersed finely and uniformly in a rubber.  <P>SOLUTION: The composition is prepared by blending a compound having a maleic anhydride group with a layered clay mineral treated by binding a 6C or higher primary ammonium ion and/or a secondary ammonium ion with the solid rubber through an ionic bond.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003227998-A (JP)
Title: Scanning optical system
Inventor: KOREEDA DAISUKE
IPC: G02B13/00
Filed: 2002-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a scanning optical system capable of restraining not only the bow of a scanning line but also the inclination of the scanning line and the occurrence of a wave front even in the case of decentering at least one lens surface from a reference scanning surface in order to prevent the occurrence of ghost and excellently correcting curvature of the field.  <P>SOLUTION: The scanning optical system 5 is constituted of a 1st lens 6 being a positive meniscus plastic lens whose concave surface faces to the side of a polygon mirror 4 and a 2nd lens 7 being a plane-convex glass lens whose plane surface faces to the side of the mirror 4. Both lens surfaces of the 1st lens 6 are aspherical surfaces whose cross sectional shape in a main scanning direction is defined as the function of a distance in the main scanning direction from the reference axis of an optical surface in terms of design and whose curvature of the cross section in a subscanning direction is defined as the function of the distance in the main scanning direction from the reference axis of the optical surface independently respectively, and are eccentric by shifting the reference axis of the optical surface in a parallel and reverse direction to the reference scanning surface in the subscanning direction.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003225193-A (JP)
Title: Endoscope
Inventor: KUBOTANI TOSHIYUKI
IPC: A61B1/00
Filed: 2002-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an endoscope resistant to the autoclave sterilization, capable of reducing the diameter of an inserting part without deteriorating the flexibility of the inserting part.  <P>SOLUTION: An optical image formed on the top end surface of an image guide 15 by an objective lens system 14 at the top of the inserting part 2 is transmitted to the rear end surface of an imaging unit 16 disposed in an operating part 4, and is projected on a CCD 18 by a projection optical system 17. The CCD 18 is connected to a signal cable 21 via a hermetic connector 20 by way of a circuit board 19 constituting an electrical equipment part disposed on the back of the CCD, and the periphery of the objective lens system 14 and the imaging unit 16 are structured air-tightly. Accordingly, steam is prevented from penetrating into the inner space during the autoclave sterilization, so that deterioration of the imaging function is prevented.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003228341-A (JP)
Title: Signal processing circuit and display device
Inventor: AOKI YOSHIAKI
IPC: G09G3/36
Filed: 2002-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To make a signal processing circuit stably operate with a low power consumption without enlarging the circuit scale.  <P>SOLUTION: The signal processing circuit is provided with a bus wiring DB for receiving digital video signals, and a data register 6 for sequentially sampling the digital video signals on this bus wiring DB and outputting them in parallel, and this data register 6 includes a plurality of sampling latches 10 for level-converting each signal voltage of the digital video signals in bit units. Especially, each sampling latch 10 includes a connection control circuit SWC for setting a sample state in which a plurality of capacitance elements C1, C2 and the plurality of capacitance elements C1, C2 are connected in parallel and are made to hold on them a signal voltage from the corresponding bit line of the bus wiring DB, and an output state in which the plurality of capacitance elements C1, C2 are connected in series following the sample state and signal voltages having summed the levels by re-distributing charges are outputted from the plurality of capacitance elements C1, C2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003234183-A (JP)
Title: Transfer material and manufacturing method of organic thin film element
Inventor: TATEISHI TOMOYOSHI
IPC: H01L51/50
Filed: 2002-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a transfer material of an organic EL element using a peel transfer method excellent in luminous efficiency, uniformity of the luminescence amount, and durability, and a manufacturing method of an organic thin film element using the same.  <P>SOLUTION: The transfer material is constituted by forming at least one-layer of an organic thin film layer on a temporary support, and the glass transition temperature of at least one component constituting the organic thin film layer is 40-250°C.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003232097-A (JP)
Title: Precast board
Inventor: UNO SADAO
IPC: E04B5/43
Filed: 2002-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that air locks are easy to occur between a rear and the surface of mortar when the rear is laid on mortar because a conventional PC board is formed in a plate shape that both surfaces run parallel and a thickness between both surfaces is formed in an equal thickness although the deteriorated section of existing concrete is chipped, mortar is mounted on the surface of existing concrete, from which the deteriorated section is removed, and the plate-shaped PC board is installed on the mortar when the floor, wall, ceiling or the like of existing concrete is renewed by the PC board.  <P>SOLUTION: In the plate-shaped PC board 1 used for a repair by removing the deteriorated section of existing concrete, a surface 2 is formed in a horizontal surface, the rear 3 is formed in a gentle surface and a thickness between the surface 2 and the rear 3 is formed unequally. The rear 3, for example, is formed in a spherical shape 3A that the rear is protruded towards the central- section 4 direction of a surface.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003230313-A (JP)
Title: Combine harvester
Inventor: MATSUTANI SHUNICHI
IPC: A01D69/00
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combine harvester equipped with a pretreatment variable- speed mechanism independently of a traveling variable-speed mechanism and having the mechanism of subjecting the power of a pretreatment section to variable-speed action, and preventing the pretreatment section from being set in action according to the case that the machine body is set in motion unintendedly.  <P>SOLUTION: This combine harvester includes a stepless variable-speed gear 21 for traveling use functioning to subject the machine body's traveling power to variable-speed action according to the operation of a traveling variable-speed lever 42 and a stepless variable-speed gear 27 for pretreatment functioning to subject the power of a pretreatment section 2 for reaping stems to variable- speed action according to vehicle speed, and also a neutral detective switch 43 for detecting the neutral position of the traveling variable-speed lever 42 and a pretreatment driving check means (pretreatment variable-speed control means) for checking the driving of the pretreatment section 2 when the traveling variable-speed lever 42 lies at the neutral position.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003233299-A (JP)
Title: Simulator for train conductor
Inventor: OZAWA HIROSHI
IPC: G09B9/00
Filed: 2002-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To enhance the reality of training of a conductor by enabling visual reproduction of a generated event.  <P>SOLUTION: According to the running state of a train, a simulated animation picture generated by a picture generating device is displayed on a display device on a side of the train body ahead of the conductor's compartment. The conductor can view the simulated animation picture corresponding to the conductor's viewpoint position on the display device. The conductor operates conductor equipment in a crew room in accordance with the situation displayed on the display device. By the operation of the conductor equipment, the picture generating device generates an animation picture corresponding to the operation of the conductor equipment together with or following the animation picture showing the predetermined situation.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237675-A (JP)
Title: Brake device
Inventor: TAMURA YOSHITAKA
IPC: B62L3/02
Filed: 2002-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a brake device adding a function capable of decreasing a load of lever operation at normal braking regardless of a dominant hand to a brake device capable of interlocking a front wheel and a rear wheel brake by one hand.  <P>SOLUTION: In this brake device, operating cables 3, 4 pulled by operation of right and left brake levers 2, 1 actuate the front wheel and rear wheel brakes 6, 7 through an interlocking means 5. The interlocking means 5 actuates only the brake 7 by operating the brake lever 7, and actuates both brakes 6, 7 by operating the other brake lever 2. Actuation of both front and rear brakes 6, 7 by operating the brake lever 2 is enabled while enabling light and normal actuation of only one brake by operating the brake lever 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237933-A (JP)
Title: Article sorting system
Inventor: NAKATANI ATSUSHI
IPC: B07C5/342
Filed: 2002-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an article sorting system which can rapidly and correctly perform an article sorting work, save the labor in the sorting work, and increase the sorting efficiency.  <P>SOLUTION: Predetermined items of agricultural products A placed on a tray 10 carried by a carrying conveyor 2 are measured by an item measuring unit 17, and individually determined, and the determination information is recorded on a recording medium 14 corresponding to identification information specific to the tray 10. Based on the sorting information recorded on the recording medium 14, the agricultural products A are sorted or temporarily stored on conveyors 2c and 2d of sorting sections c and d having the carrying distance according to the sorting quantity. The agricultural products A sorted on conveyors 2e in a mechanically boxing section (e) and in a manually boxing section (f) are boxed by a boxing device 45 and a worker 52, and carried to the next step by a box carrying-out conveyor 51.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003244025-A (JP)
Title: Synchronization capture circuit, synchronizaiton capture method, and receiver
Inventor: YAMASHITA SHOTARO
IPC: H04B1/707
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To enhance the reliability for synchronization capture and to decrease the time required for the synchronization capture.  <P>SOLUTION: A correlation value detection section 21 outputs a correlation value between a received spread spectrum signal SS and a PN code at a receiver side. A peak detection section 22 outputs a correlation value PK greater than a prescribed threshold value among correlation values from the correlation value detection section 21. A selector 23 gives a start signal to one of counters CT1 to CTn in response to each of the correlation values PK from the peak detection section 22. The counters CT1 to CTn start their operations in response to the start signals ST1 to STn from the selector 23 and output pulse signals CP1 to CPn by each period of the PN code. AND circuits AD1 to ADn output the logical products of the pulse signal CP1 to CPn from the counters CT1 to CTn and the correlation values PK from the peak display section 22. An OR circuit 24 outputs the logical sum of outputs M1 to Mn of the AND circuits AD1 to ADn as a synchronization capture signal SDT.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003239240-A (JP)
Title: Method for cultivating coastal wetlands by using naturally decomposable plant material, and coastal wetlands
Inventor: HAYASHI FUMIYOSHI
IPC: E02B3/00
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for cultivating coastal wetlands by using naturally decomposable plant materials, which can preserve or restore coastal ecosystem in an almost natural state, and to provide the coastal wetlands.  <P>SOLUTION: According to the method, a plant material zone 5 in which naturally decomposable plant materials 6 are laid is provided along a high-water line HWL of coastal land 1 gently declining from the high-water line HWL to the sea bottom, and products 10 generated by natural decomposition of the plant materials 6 are piled up on the coastal land 1 according to the tide level. Preferably, plain water 12 is introduced to the plant material zone 5 to accelerate the natural decomposition of the plant materials 6. More preferably, a planting strip 7 is arranged on a coastal side of the plant material zone 5, and blighted bodies of plants 8 in the planting strip 7 are employed as the plant materials 6. Further, the plain water 12 is introduced into the planting strip 7 from a height of the high-water line HWL or above, and an groundwater level 15 communicating with the plant material zone 5 is formed in the planting strip 7. The groundwater level 15 has a depth that is suitable for inhabitation of hygrophytes 8. Further, wetland bottom soil 9 fitted for inhabitation of the hygrophytes 8 may be added to the planting strip 7.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003241338-A (JP)
Title: Reversible image recording medium and method
Inventor: HIRANO SHIGENOBU
IPC: B41M5/30
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reversible image recording medium containing a photochromic compound in each photosensitive layer and capable of easy color tone control and to provide an image recording method using the reversible image recording medium.  <P>SOLUTION: The reversible image recording medium has two or more photosensitive layers stacked on a supporting substrate and separately containing photochromic compounds different from each other in both maximum absorption wavelength and absorption edge wavelength in the coloring state and has a heat sensitive layer in at least one interlayer position of the photosensitive layers, wherein the heat sensitive layer comprises a composition containing an electron donative compound which takes on a color and an electron accepting compound, the composition colors on heating to its melting temperature or above because a coloring body is formed which is the reaction product of the electron donative compound and the electron accepting compound, and the coloring state becomes a decoloring state when the electron accepting compound is separated from the coloring body by reheating from a state fixed by rapid cooling to a temperature below the melt coloring temperature.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003235423-A (JP)
Title: Fishing hook-retaining and tackle-receiving hanger
Inventor: HANAURA KEISUKE
IPC: A01K97/06
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fishing hook-retaining and tackle-receiving hanger that can retain fishing tackles having hooks tidy and can receive the hook-having tackles without line tangling because the tackles readily dries, after casting, the hooks are inhibited from rusting and the tackles can be received in the hanger without line entangling as the leaders are pulled with a proper tensile strength before they are retained.  <P>SOLUTION: The fishing hook-retaining and tackle-receiving hanger is equipped with (1) an upper lateral rod on which fishing hooks are hung down and a lower lateral rod that has a part to which the other ends of the tackles are bound are provided on the support rod, (2) a prescribed number of partition grooves are formed on the upper lateral rod, and (3) a plurality of tackle connectors which of each has a weight in the lower part are mounted so that it may be vertically slidable and readily fixable.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003236455-A (JP)
Title: Two-color roll coating method for decorative sheet
Inventor: TSUDA NOBUO
IPC: E04F13/02
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for roll coating that forms a decorative surface with natural feeling easily while utilizing a surface pattern of a substrate by the conventional roll coating.  <P>SOLUTION: A decorative sheet has a plurality of blocks comparted longitudinally and laterally in a brick shape on the surface. The surface of each block has a waved shape the ridge (4) of which extends in the same direction as the length direction (L). A coating material of a first color is applied with a coating roll (2) on the whole surface or almost whole surface of the substrate (1) of which the positions of the hill part (5) and the valley part (6) of the waved shape on the surface are shifted between two neighboring blocks in the width direction of the substrate. After that, a coating material (7) of a second color which is different from the first color is applied with a coating roll only on the hill part of the waved shape on the each block.  <P>COPYRIGHT: (C)2003,JPO