baber/WOPTO huggingface dataset:
Patent JP-2004082544-A (JP)
Title: Inkjet head and inkjet recorder
Inventor: WATANABE TOSHIAKI
IPC: B41J2/055
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inkjet head and an inkjet recorder in which print quality is enhanced by preventing ink ejection characteristics from deteriorating or varying.  <P>SOLUTION: The inkjet head 20 comprises a common ink chamber 37 communicating, respectively, with a plurality of grooves 33 leading to nozzle openings 32, and a filter 44 disposed at a part of an ink channel communicating with an ink storage means wherein spaces are defined on the upstream side and the downstream side of the filter 44 by barrier walls 46a and 46b facing each other. The upstream side space 47 communicates with an ink introduction passage 49 on one end side in a direction perpendicular to the arranging direction of the grooves 33 in the filter 44, and the downstream side space 48 communicates with an ink supply passage 50 on the other end side of the filter 44. The ink supply passage 50 communicates, on the side opposite to the upstream side space 47, with the other end side of a tubular interconnecting passage 45 wherein the dimensions in the thickness direction of the ink introduction passage 49, the ink supply passage 50, the upstream side space 47 and the downstream side space 48 are set smaller than the inside diameter of the interconnecting passage 45.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003159858-A (JP)
Title: Color calibration chart
Inventor: BHASKAR RANJIT
IPC: H04N1/60
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a color calibration chart improving that accuracy is restricted by the restriction of the visual sensation of a human being to enhance the accuracy of calibration in the calibration of a printer pen, a method for calibrating a color pen for an ink jet printer, and a calibration system.  <P>SOLUTION: A page being a test page formed by an ink pen in order to calibrate the weights of the liquid drops of at least first and second printing heads and having a region for color samples, a test page including a plurality of the color samples arranged in the region and a predetermined substantially uniform color background arranged between or around a plurality of the color samples in the region or the like are provided. The color samples are preferably have a substantially uniform size and the dimensions of the color samples are smaller than the distance between the adjacent color samples in the region.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004086673-A (JP)
Title: Optimization technique using genetic algorithm
Inventor: FUJIMOTO HIDEYUKI
IPC: G06N3/12
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide optimization technique using genetic algorithm which is not restricted by genetic length.  <P>SOLUTION: The optimization technique using the genetic algorithm is provided with a step (a) for obtaining 1st and 2nd genes 6, 7 corresponding to 1st and 2nd problems included in a single optimization problem, a step (b) for optimizing the 1st gene by using 1st genetic algorithm prepared correspondingly to the 1st problem and obtaining a 1st optimum solution 10 while fixing the 2nd gene as it is, a step (c) for optimizing the 2nd gene by using the 2nd genetic algorithm prepared correspondingly to the 2nd problem and obtaining a 2nd optimum solution 11 while fixing the 1st gene as it is, and a step (d) for obtaining an optimum solution corresponding to the single optimization problem on the basis of the 1st and 2nd optimum solutions.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093611-A (JP)
Title: Image forming apparatus
Inventor: MIYAMOTO SATORU
IPC: G03G21/16
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To make the rotation of a rotary smooth and further to reduce the influence of developing driving reaction while shortening color switching time by making the positioning time of the rotary as short as possible in an image forming apparatus such as an electrostatic copying machine or a printer.  <P>SOLUTION: A lock means 27 for positioning and locking the rotary 13 is constituted of projecting parts 28, ... on the rotary 13 side, a lock lever 38 which is turnably provided in an image forming apparatus body and has a recessed part 36, and for which a lock position where the recessed part 36 is selectively engaged with one of the projecting parts so as to lock the rotary 13, a retreat position where it is not engaged with the projecting part and a standby position on the lock position side are set, a solenoid for moving the lever 38 to the retreat position and a spring for energizing the lever 38 toward the lock position. The sidewalls 36a and 36b of the recessed part 36 are formed to be the circular arc of a concentric circle with the center of rotation of the lever 38, and the lever 38 has an inclined part 42 on which the projecting part can abut before it is engaged with the projecting part by the rotation of the rotary 13.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093227-A (JP)
Title: Steel inclusion detection method by water immersion ultrasonic inspection
Inventor: SATO UMIHIRO
IPC: G01N29/04
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of detecting non-metallic inclusions in a steel by using a water immersion ultrasonic inspection method.  <P>SOLUTION: The cast piece or steel ingot of hypo-eutictoid steel, eutectoid steel, or hyper-eutictoid steel is forged at a forging rate of 6 or higher, and normalizing or normalizing treatment is applied thereto to prepare a specimen (step 1). Next, a sensitivity is calibrated before water immersion ultrasonic inspection (step 2). Water immerse ultrasonic inspection is performed for the specimen 1 at a frequency of 5 to 25 MHz (step 3), and the inclusions in the steel is detected (step 4).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091625-A (JP)
Title: Emulsified vegetable oil fuel for boiler
Inventor: HAMAZAKI KAZUNORI
IPC: C10L10/18
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a boiler fuel lower in exhaust gas level than petroleum-based fuels, vegetable oils or vegetable oil ester fuels, enabling boiler operation similar to the case with petroleum-based fuels, enabling to be reproduced, and causing little environmental pollution.  <P>SOLUTION: The emulsified vegetable oil fuel for boilers is obtained by incorporating water in a vegetable oil, vegetable oil ester fuel or a mixture thereof followed by emulsifying the resultant mixture. The content of the water in this boiler fuel is preferably 10-17 mass%, and it is preferable that a crude glycerol contained in the vegetable oil, the vegetable oil ester fuel or the mixture thereof be used as the emulsifier.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093910-A (JP)
Title: Holographic disk recording system, holographic disk medium and method for recording in holographic disk medium
Inventor: ARNEST CHUAN
IPC: G11B7/0065
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system having versatility which can respond to both of replication of a source disk produced by an amplitude modulation recording method and to replication of a source disk produced by a phase modulation recording method.  <P>SOLUTION: A hologram is recorded by using a signal wave beam 23 modulated by the information on a source disk 50 and using a reference beam 26 shaped into a conical beam or spherical beam, while the axial center of the reference beam 26 is aligned to be substantially coincident with the axial center of the target disk 60. The reference beam is made to irradiate the almost all effective recording area of the target disk 60 to carry out a one-step recording process to record the hologram in the all effective recording region of the target disk. By shaping the signal beam 23 into a conical or spherical beam, the influences of shrinkage of the target disk 60 can be compensated by the recording process.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093967-A (JP)
Title: Image forming apparatus and method
Inventor: NAKAMORI TOMOHIRO
IPC: B41J29/38
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To stably obtain high image quality, irrespective of kinds of recording material by discriminating various kinds of recording material and automatically applying the corresponding processing condition while improving the usability and the cost performance.  <P>SOLUTION: The image forming apparatus is provided with an irradiation part (150) for irradiating the surface of the recording material (154) with light, a reading part (151) for reading the light reflected from the surface of the recording material irradiated with light from the irradiation part (150), and outputting the light as the image signal for the video on the surface, and a judgement part (152) for comparing the outputted image signal with the image signal of the video on the surface of the recording material where the applicable processing condition is predetermined, and then, judging the kind of the recording material, and an application part (153) for applying the processing condition suitable to the kind of the judged recording material and a structure of bringing the surface of the recording material (154) into contact with the bottom of the casing part in the case of reading the reflected light. And the image forming apparatus is provided with a holding part for holding a light emitting material (155) and a light receiving material (156) so that they are positioned at a fixed distance from the surface of the recording material.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091872-A (JP)
Title: Superconducting magnetic field generator and sputtering system
Inventor: ITO YOSHITAKA
IPC: C01G3/00
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a superconducting magnetic field generator which can effectively utilize the magnetic fields caught by a superconductor for horizontal magnetic fields and can prevent the destruction of the superconductor and a sputtering system using the same as part of a sputtering gun.  <P>SOLUTION: The sputtering system 20 is provided with a sputtering gun 35 and a target 32 and further a substrate surface 31 for forming thin films thereon in a vacuum chamber 21. A yoke 23 for constituting magnetic circuits and the superconducting magnetic field generator 1C are built in the sputtering gun 35. The yoke 23 is fixed into the sputtering gun 35. The generator 1C comprises the superconductor 2, a magnetic field auxiliary member 3, a thermally insulated vessel 4, and a refrigerator 5 having a cold head, etc., and is attachable/detachable by vertically moving the generator by means of an attaching/detaching mechanism.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004046051-A (JP)
Title: Scanning exposure method and scanning exposure device
Inventor: MIYAKE EIICHI
IPC: H01L21/027
Filed: 2002-09-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a scanning exposure method and a scanning exposure device using a plurality of projection optical systems which are relatively low-cost and have a high transfer precision.  <P>SOLUTION: The scanning exposure method is constituted in such a manner that a photomask 1 and a substrate 2 are arranged on the almost same plane, a pattern image drawn on the photomask 1 by reflective mirrors 4, 5 and the projection optical system 3 is optically folded in a channel shape and the image is formed on the substrate and, when the photomask 1 and the substrate 2 are observed from the same direction, the image projected on the substrate 2 is not inverted in any direction for the pattern of photomask 1 but the image is formed in the same direction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004101732-A (JP)
Title: Image forming apparatus
Inventor: IWATANI NAOKI
IPC: G03G21/20
Filed: 2002-09-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that prevents deterioration in the quality of images caused by dirt or the like by a simple member in the separation of recording paper from a fixing apparatus and can avoid a paper jam by smoothing the transport of the recording paper.  <P>SOLUTION: The image forming apparatus 1 is equipped with the fixing apparatus 26. The fixing apparatus 26 holds the recording paper P between the fixing members 31, 32 consisting of opposing rollers, a belt, or the combination of them for fixing a toner image T. In this case, the toner image T is formed on the recording paper P. The image forming apparatus 1 has a charge adding apparatus 35 for adding charge to the fixing member 26 coming into contact with a surface on which the toner image T on the recording paper P is not formed and electrostatically attracts the recording paper P for transportation, and further is set to be the image forming apparatus P having a heat source 42 for dehumidifying the recording paper P.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004100569-A (JP)
Title: Exhaust emission control device of internal combustion engine
Inventor: NAGAI TOSHINARI
IPC: F01N3/24
Filed: 2002-09-09
Abstract: <P>PROBLEM TO BE SOLVED: To improve exhaust emission control performance by allowing a second catalyst to function effectively.  <P>SOLUTION: The exhaust emission control device comprises: a first catalyst 53 that is arranged at an exhaust passage; a first catalyst downstream air/fuel ratio sensor 66, a second catalyst 54, and an electric control apparatus 70. The electric control apparatus incorporates a catalyst model for virtually dividing the second catalyst 54 into a plurality of blocks along the flow direction of an exhaust gas and for calculating physical quantity (for example, oxygen concentration flowing out of the same block) related to the cleaning of the exhaust gas to each block. Then, the electric control apparatus estimates the physical quantity of the middle block (a block at the upstream of a block at the lowest downstream) in the second catalyst by using the output of the first catalyst downstream air/fuel sensor and the catalyst model, and controls the air/fuel ratio in a mixed air to be supplied to an engine so that the physical quantity reaches a specific value. As a result, the state of the second catalyst can be rapidly acquired, thus appropriately maintaining the state of the second catalyst regardless of feedback control delay.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004100277-A (JP)
Title: Operating handle for latch lock
Inventor: NISHITANI HITOSHI
IPC: E05B63/22
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an operating handle for a latch lock locked by a handle operation in all directions centering around a connecting section to the handle of a seat front section while corresponding to both latch locks for the rotation operation and push-pull of the handle.  <P>SOLUTION: A seat with a cylindrical section, a sliding member with a V-shaped groove and a spherical member with a square plate-shaped pawl and a spherical section are installed, and the sliding member is inserted into the cylindrical section capable of linearly moving only in the longitudinal direction. The spherical section is held in under a rotatable state in all directions by a spherical-section holding member with a hemispherical-shaped recess and both the holding member and the spherical section are mounted at the place of the front end of the seat, and the handle is secured to the sphere member. An operation in which the pawl pushes the side face of the groove by operations in all directions of the handle is obtained by arranging the front end of the pawl so as to be fitted to the deepest section of the groove, and the sliding member is pushed in. The operation is changed into an operation in which a latch is pulled and rotated, and the latch lock is locked and unlocked.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004102670-A (JP)
Title: Information planning service processing method and planning agent apparatus used therefor
Inventor: NAKAMURA TETSUYA
IPC: G06Q50/10
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information planning service processing method for proposing ingredients available in the neighbor of a user and menu, using the same based on real-time ingredient information among a plurality of stores, and to provide a planning agent apparatus.  <P>SOLUTION: By receiving the time for arriving home and the place of the user sent from a user terminal, selecting a suitable menu list, based on menu using history of the user (functions of 11, 12 and 14), receiving real-time ingredient availability information of stores, checking position information of the stores and the user's home, narrowing down stores where the user can shop (functions of 13 and 15), and combining ingredients in the ingredient availability information from selected candidates in the menu list, a menu list, wherein necessary ingredients on the menu list can be prepared is selected; and the selected menu and ingredients are sent to the user terminal (function of 11).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004102750-A (JP)
Title: Management system of unlawful dumping and its management method
Inventor: NAKAMURA SHIGEAKI
IPC: G06Q50/26
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To enable dynamic grasp of an unlawful dumping state.  <P>SOLUTION: In this system, a management center 7 and a management apparatus connected to the management center 7 communicably bidirectionally are constituted. The management apparatus is constituted of a man system interface 1 which is a wearable computer mounted on the body of a caretaker M and an attached apparatus thereof, for connecting informatively the caretaker M to the system, a position determiner 4 for determining existing position information 16 based on the existing position of the caretaker M, an indicator 2 for indicating management information 17 or 19, a camera 3 for photographing peripheral environment information 14 in the periphery of the caretaker M, and an ID reader 5 for reading the ID 13 of an ID tag 11 of the waste 9. Information 16, 17, 14 is communicated bidirectionally between the management center 7 and the caretaker M through the man system interface 1. The caretaker M can use both hands freely in a dumping place. The three information facilitates discovery of dynamic unlawful dumping.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004101410-A (JP)
Title: Contact sheet for inspecting electronic device and its manufacturing method
Inventor: TSUBOSAKI KUNIHIRO
IPC: G01R31/26
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a contact sheet with which the electric contact between an electronic device to be measured and a circuit board for inspection can be secured.  <P>SOLUTION: This contact sheet is constituted of a base substrate made of an insulating sheet, having a three-layer structure sandwiching an insulating elastic rubber layer 111 and insulating protective films 121 respectively laminated upon both surfaces of the layer 111 and front-rear electrically connecting sections 112, composed of a conductive elastic rubber material and passed perpendicularly through the substrate to electrically connect the front and rear surfaces of the substrate. A terminal section 113, which is brought into contact with an electronic device 140 to be inspected, is provided at one end of each electrically connecting section 112 and another terminal section 113A, which is brought directly into contact with the terminal section of the circuit board 130 for inspection, is provided at the other end of the electrically connecting section 112 and electrically connected to the section 112. At the inspecting of the device 140, the terminal section 113 at one end of the section 112 is electrically connected to the terminal section 141 of the device 140 and, in addition, the circuit board 130 for inspection is electrically connected to the device 140 through the terminal section 113A at the other end of the section 112.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004104942-A (JP)
Title: Dc-dc converter
Inventor: SUGIMOTO HIDEHIKO
IPC: H02M3/155
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ripple detection DC-DC converter wherein the switching frequency can be enhanced.  <P>SOLUTION: The ripple detection DC-DC converter 10 comprises a switching element Q1 which switches and converts input voltage into alternating-current voltage, a low-pass filter (L1, C1, Z) which rectifies and smoothes the alternating-current voltage and converts it into output voltage, and a comparator 12 which detects the output voltage and compares it with a target voltage. The DC-DC converter 10 is so constituted that the switching element Q1 is driven according to the output of the comparator 12. A compensator 11 which adjusts the phase and gain of a control system is provided at a point where the result of output voltage detection by the comparator 12 is inputted.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004110293-A (JP)
Title: Optical coordinate input system and light signal detection method
Inventor: KATO MASAYOSHI
IPC: G06F3/03
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical coordinate input system and an optical signal detection method which provide stable position detection accuracy with a simple configuration.  <P>SOLUTION: A coordinate indication member 1 emits diffused light by superimposing a predetermined signal on the light. An optical signal detection means 2 synchronizes an optical signal element and an incident angle element of the diffused light to detect them. A central control means 3 calculates an indicated position indicated with the coordinate indication member 1 on an information display unit 4 from the optical signal element and the incident angle element of the diffused light which are detected with the optical signal detection means 2.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004115548-A (JP)
Title: Water-based ink, method for inkjet recording, ink cartridge, inkjet writing unit and inkjet recording apparatus
Inventor: OGASAWARA MIKIFUMI
IPC: C09D11/324
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide water-based pigment ink improving fretting resistance for printing stains and marker resistance for the printing stains and eliminating jetting bending or wetting nonjetting while having reliability of the ink for a recording head with a slight difference of printing density after printing especially by the kind of paper and affording high-density prints in inkjet recording using the pigment ink.  <P>SOLUTION: The water-based ink comprises a modified pigment having organic groups chemically bound to the surfaces of pigment particles and an aqueous medium as a dispersion medium for the pigment. The organic groups contain a reaction product of functional groups bound directly or chemically through other atomic groups to the pigment surfaces with a copolymer. Furthermore, the copolymer is composed of (a) an ionic monomer, (b) a hydrophobic monomer and (c) a monomer containing a fluorine and/or a monomer having a siloxane chain. A method for inkjet recording, etc., are provided.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004118595-A (JP)
Title: Access control device and access control method
Inventor: TAKAMATSU MASAHIDE
IPC: G06F13/42
Filed: 2002-09-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an access control device for allowing a central processing unit to efficiently make access to a peripheral device even when a device different in the access timing is allocated in the same area.  <P>SOLUTION: This access control device 1 controls the access timing of the peripheral device accessed by the central processing unit having the external weight function, and has a register block 3 for storing a parameter for setting the access timing suitable for the peripheral device and selecting the parameter and a timing block 4 for generating an access timing signal on the basis of the parameter. Thus, even when the device different in the access timing is allocated in the same area, an operation speed of the central processing unit can be improved.  <P>COPYRIGHT: (C)2004,JPO