baber/WOPTO huggingface dataset:
Patent JP-2003124757-A (JP)
Title: Method and device for reducing influence of earely effect
Inventor: NITTA SHOZO
IPC: H03F1/14
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a method for improving the performance of a circuit provided with a three-terminal device. SOLUTION: In the operation of the circuit provided with a three-terminal device 10, the influence of the Early effect related to the three-terminal device such as FET, for example, is reduced. For reducing such effect, a control part 30 is provided for reducing an Early effect component caused by the three- terminal device. Thus, by controlling the potential of the second terminal (drain, for example), of the device in response to a first signal related to the input signal received by the first terminal (gate, for example), of the device, a potential difference between the second terminal (drain) and the third terminal (source, for example), of the device is practically fixed.
Patent JP-2003124454-A (JP)
Title: Compound semiconductor epitaxial wafer and element using the same
Inventor: HASHIMOTO TATSUSHI
IPC: H01L21/205
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To enable reduction of crystal defect of a conventional strain- relaxation buffer layer and a burden on a growing device in III-V compound semiconductor epitaxial wafer having an operative region where a substrate crystal and a grating constant are different equal to or greater than 0.15%. SOLUTION: In the III-V compound semiconductor epitaxial wafer having the operative region where the substrate crystal and the grating constant are different equal to or greater than 0.15%, the buffer layer 20 or 200 between the substrate and the operative region is provided with a crystal layer containing Al, Ga, In which has grown through MOVPE technique (ex. InAlGaAs quaternary mixed crystal 111, 121, 131, 141, 151 or 113, 123, 133, 143, 153) and a crystal layer containing Al, In from which difference in the grating constant is within 30% (ex. a layer of InAlAs ternary mixed crystal 112, 122, 132, 142, 152 or 114, 124, 134, 144, 154) in a pair or plural pairs, or in a state that the number of one layer is larger than that of the other.
Patent JP-2003125018-A (JP)
Title: Transmission system, data transmitter, data receiver, data-transmitting method and data-receiving method
Inventor: KIMIJIMA MASAAKI
IPC: H04N7/081
Filed: 2001-10-17
Abstract: PROBLEM TO BE SOLVED: To realize an appropriate correspondence on a reception side to a change of a format version. SOLUTION: A format version of digital data to be transmitted can be managed by a contents list. The format version regarding digital data which is being transmitted as synchronous communication packet data can be recognized on a receiver side through communication by asynchronous communication packet data, and the receiver side can switch a decode processing mode, corresponding to the format version.
Patent JP-2003124674-A (JP)
Title: Electronic device
Inventor: OKAMOTO TOMOYUKI
IPC: H05K9/00
Filed: 2001-10-18
Abstract: PROBLEM TO BE SOLVED: To provide an electronic device of a novel constitution capable of shielding an electromagnetic wave to be radiated from a circuit board with a simple structure and being inexpensively manufactured. SOLUTION: The electronic device F comprises a control circuit board housing section having a non-conductive resin sheathing cover 4. The device F further comprises a conductive sheet adhered to the inner surface of the cover 4 in such a manner that the circuit board is formed in an electromagnetic wave- shielding structure.
Patent JP-2003132505-A (JP)
Title: Thin film magnetic head and method for manufacturing the same
Inventor: KAWAI KENICHI
IPC: G11B5/31
Filed: 2001-10-19
Abstract: PROBLEM TO BE SOLVED: To prevent the leakage of magnetic flux at the rear side of a sub- magnetic pole layer and to improve the characteristics of a write part. SOLUTION: In a thin film magnetic head having the write part in which the sub-magnetic pole layer 20 is disposed opposite a lower magnetic pole layer 10, sandwiching a gap layer 22, and in which an upper magnetic pole layer 18 is connected to the rear part of the sub-magnetic pole layer 20, a heaped layer 24 consisting of an insulating layer which is sandwiched between the sub-magnetic pole layer 20 and the lower magnetic pole layer 10 at the rear side of the gap layer 22 is provided, and a slope part 24a which gradually descends is provided so as to be extending from the heaped layer 24 toward the gap layer 22.
Patent JP-2003124160-A (JP)
Title: Polishing composition and polishing method using it
Inventor: ASANO HIROSHI
IPC: B24B37/00
Filed: 2001-10-19
Abstract: PROBLEM TO BE SOLVED: To provide a polishing composition and a polishing method for polishing copper, tantalum containing compound and Low-k material at the same degree and high polishing velocity in a CMP processing process. SOLUTION: The polishing composition consists of colloidal silica whose surface is electropositive, colloidal silica whose surface is electronegative, at least one kind of acid selected from a group comprising nitric acid, hydrochloric acid, sulfuric acid, lactic acid, acetic acid, oxalic acid, citric acid, malic acid, succinic acid, butyric acid and malonic acid, at least one kind of anticorrosive selected from a group comprising benzotriazol, benzimidazole, triazole, imidazole, tolyltriazole and derivative thereof and water. In the method, a semiconductor device containing copper, tantalum containing compound and a Low-k material is polished by using the polishing composition.
Patent JP-2003127767-A (JP)
Title: Vehicular room lamp
Inventor: MURAHASHI KATSUHIRO
IPC: B60Q3/02
Filed: 2001-10-19
Abstract: PROBLEM TO BE SOLVED: To securely mount a large room lamp to a ceiling member and to modularize the room lamp and the ceiling member. SOLUTION: The lamp body 23 is attached to both the end part and the center part of the ceiling member 5 with a first attaching engaging part 26 of a first attaching part, a second attaching engaging part 27 of a second attaching part, an attaching claw part 28 and an attaching through-hole part 29. Consequently, since a distance between the first attaching part and the second attaching part can be extended, a big attaching force can be obtained even if the vehicular room lamp 22 is big. Thus, the big room lamp 22 for a vehicle can be securely attached to a side part of the ceiling. Furthermore, the vehicular room lamp 22 and the ceiling member 5 can be modularized.
Patent JP-2003130157-A (JP)
Title: Infinite variable-speed machine
Inventor: TENMA YASUYUKI
IPC: F16H9/18
Filed: 2001-10-22
Abstract: PROBLEM TO BE SOLVED: To provide a compact infinite variable-speed machine, by which the interference between a belt or a tensioner and a variable-speed shaft can be prevented surely by promoting improvement in transmission efficiency, high accuracy of variable-speed control, compactness of a variable-speed motor and the saving of electric power, while shortening the center distance between a drive pulley and a driven pulley in the infinite variable-speed machine, using a dry belt. SOLUTION: There are provided with a drive pulley 11, a driven pulley 12, an endless dry belt 15 wound hanging in the space between both the pulleys, a tensioner 50 for obtaining the trust force of the belt by being disposed in the intermediate portion between the drive pulley and the driven pulley, by pushingly pressing the loose side of the belt, stroke mechanisms 14, 22 provided on the drive pulley and the driven pulley, respectively, and used to move a movable sheave in the axial direction by the rotational force, the variable-speed motor 40 and a transmission mechanism for transmitting the rotational force of the variable-speed motor to both the stroke mechanisms.
Patent JP-2003134860-A (JP)
Title: Piezoelectric element with slip stopper, and application thereof
Inventor: NAGURA YUICHI
IPC: H01L41/09
Filed: 2001-10-23
Abstract: PROBLEM TO BE SOLVED: To cause a piezoelectric stator to move a slider in one direction, by causing a drive unit to apply a trapezoidal wave to a piezoelectric element provided with a slip stopper. SOLUTION: The piezoelectric element 1, formed in the shape of flat plate or thin film, is provided with a surface electrode 2 and a back electrode 3, and a bonding portion 82 of at least one slip stopper 8 is bonded to the surface electrode 2. The piezoelectric elements 1 are fixed on a base 4, so that the piezoelectric elements are identical in the direction of stretching. The surface electrode 2 and the back electrode 3 of each piezoelectric element 1 are supplied with voltage in the form of trapezoidal wave from a drive unit 12. Due to all the piezoelectric elements 1 being expanded and contracted, the non-bonding portions 83 of the slip stoppers 8 apply frictional force with respect to the slider 21 in the one direction. By having an insulating film 17 bonded to the surface electrode 2 or the back electrode 3, even if a plurality of the piezoelectric elements 1 overlap, the drive unit 12 is capable of individually supplying voltage with respect to each piezoelectric element 1.
Patent JP-2003132468-A (JP)
Title: Security system in open space
Inventor: YAMAMOTO TSUTOMU
IPC: G08B25/10
Filed: 2001-10-24
Abstract: PROBLEM TO BE SOLVED: To improve security without always executing a monitoring operation while maintaining a facility to be open to the public. SOLUTION: This security system is provided with an image pickup means 4 for performing image pickup within a fixed area, an ID reading means 5 for reading ID information by communicating with a portable terminal within a fixed area, and a control center 2 for managing the registered ID information, and for detecting any unqualified person based on a picture to be imaged by the image pickup means and the ID information to be read by an ID reading means, and for issuing an alarm. The control center 2 is provided with a picture processing means 6 for counting the number of persons by processing the picture imaged by the image pickup means 4 and an ID processing means 7 for collating the ID information read by the ID reading means with the registered ID information managed by the ID information managing means, and for recognizing it, and for counting the number of persons.  Then, the unqualified person is detected according to whether or not the counted values are matched.
Patent JP-2003125883-A (JP)
Title: Seat rotating device
Inventor: MASUDA KOJI
IPC: B61D33/00
Filed: 2001-10-29
Abstract: PROBLEM TO BE SOLVED: To provide a seat rotating device whose constitution is simplified and shortened suppressing seat height. SOLUTION: This seat rotating device is equipped with a seat rack 40 which is equipped rotatable around the pivotal center in the vertical direction against the floor side of a vehicle to support the seat and a rotation drive means to drive rotation of the seat rack 40. As the rotation drive means, a bevel gear 19 rotatable around the rotation axis to rotate the seat rack 40 by the rotation, a motor 16a with the output shaft fixed in a posture turned sideways to the floor side of a vehicle and a bevel gear 18 engageable with the bevel gear 19 are equipped. The bevel gear 18 and at least a part of the motor 16a are set under the seat rack 40.
Patent JP-2003141175-A (JP)
Title: Analyzer
Inventor: SASAKI TOYONARI
IPC: H02K15/02
Filed: 2001-10-31
Abstract: PROBLEM TO BE SOLVED: To provide an analyzer capable of easily and quickly predicting the performance on a motor of which the performance is determined on the basis of various design factors, and to provide the analyzer capable of easily coping with the design parameter out of the design parameter prepared by the analyzer, when the user considers the same. SOLUTION: A module program is prepared to finely divide a divisional model preparation process and a calculation condition data preparation process into a plurality of steps, and automatically execute each step. The data are transferred by a file among the steps. The user edits and alternates the file as an intermediate between the steps when necessary, while successively executing the finely divided steps. The execution of each step by the user is performed from a dialogical screen.
Patent JP-2003135290-A (JP)
Title: Electric cooker
Inventor: SHIMOTSUMA KIYOAKI
IPC: A47J43/046
Filed: 2001-10-31
Abstract: PROBLEM TO BE SOLVED: To provide an electric cooker improving storage performance and electrical safety. SOLUTION: This electric cooker is constituted by providing a body 1 composed of a body case 2 and a bottom plate 3, and placing a cup set 15 provided with a cup 7 with ribs 7a inside, and a cutter 9, detachably on the upper part of a projecting part 2a formed at a step part 2c of the body case 2, and further placing a lid 12 detachably at the upper opening part of the cup set 15. In this constitution, the outer diameter of the projecting part 2a of the body case 2 is formed smaller than the inner diameter of the rib 7a provided at the cup 7, and a ring-shaped U-groove 2d is provided at the outer peripheral part of the projecting part 2a of the step part 2c of the body case 2, while providing a discharge groove 2e for discharging water, at the rear part of the U-groove 2d, in a position avoiding the lead-out position of a cord 14.
Patent JP-2003138638-A (JP)
Title: Rainwater introducing valve device for side ditch
Inventor: KANO SHIGEKI
IPC: E03F5/10
Filed: 2001-11-02
Abstract: PROBLEM TO BE SOLVED: To provide a rainwater introducing valve device for a side ditch, in which a valve for blocking a malodor and preventing the emergence of mosquitoes, etc., is provided below a sewage cover in a water collecting part of the side ditch of a road, etc. SOLUTION: A hopper 6, which receives rainwater flowing down through a rainwater ort 2a of the sewage cover 2, is provided on the lower side of the sewage cover 2 which is mounted on an upper opening of the water collecting part (sewage basin) 1 of the side ditch of the road R. Ordinarily, a lower end discharge opening 6c of the hopper 6 is closed with a rotary valve body 8a which is urged by a weight 8c, so that the malodor can be blocked and so that the emergence of the mosquitoes can be prevented, while at a rainfall, the valve body 8a is pushed open downward by the rainwater, so as to permit the inflow of the rainwater into a sewer.
Patent JP-2003143138-A (JP)
Title: Document keeping system
Inventor: HISAGAI MASAMI
IPC: G06F21/64
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a document keeping system by which authenticated document data can be delivered so as to avoid being used illegally and an original can be distinguished from copies by confidentially managing original data of a document at low costs without using special hardware. SOLUTION: A document management station keeps document data of a management form which is obtained by coding document data with a prescribed first key, performs prescribed conversion from the document data of the management form in response to a request by a person desiring acquisition of the copy of the document data to create a document of a copy form, and delivers the document of the copy form to the desiring person.
Patent JP-2003141979-A (JP)
Title: Fuse and its manufacturing method
Inventor: SUWA HIROYUKI
IPC: H01H69/02
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a fuse of which cost can be reduced by making insulation simply and easily, by covering the case formed beforehand on the fuse alloy fusion part, and to provide its manufacturing method. SOLUTION: The fuse is manufactured by forming integrally two lead wires by connecting coaxially by fuse alloy and, at the fuse alloy fusion part, an assembly-type plastic case made of two half-split parts made by vertically splitting a nearly cylindrical capsule of which both ends are closed beforehand is constructed so as to cover the fuse alloy fusion part with an appropriate space. The fuse alloy fusion part is provided at the center and a wiring material extending each lead wire from the both ends is formed, and the case made of two half-split parts is installed by covering the half-split parts over the outer surroundings of the fuse alloy fusion part, and a tape with adhesive is wound on the surroundings of the installed case.
Patent JP-2003134984-A (JP)
Title: Trap and stopping member for trap
Inventor: WADA MITSUO
IPC: A01M23/20
Filed: 2001-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a cage-type trap easily settable by a single trapper to solve the inconvenience of a trapper working alone. SOLUTION: The trap A has a cage structure as a whole and is provided with a cage body 1, an openable door 2 dropped to close the opening 10 of the cage and a trigger 3 to close the door 2 and an alarm 4. The door 2 of the trap A is fixed in opened state with the trigger 3 and dropped by the action of the trigger 3 activated by sensing the entering of an animal into the cage body 1 to close the opening and capture the animal. The trigger 3 can temporarily fix the hooking of a stopping member 31 with a trigger member 32 at a proper position while keeping the door 2 in opened state and the trap to a proper position for trapping. The action of the trigger 3 is informed by the alarm 4.
Patent JP-2003143249-A (JP)
Title: Communication system and communication method
Inventor: NODA SEIICHI
IPC: H04L1/00
Filed: 2001-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a communication system that includes an efficient error correction system and transmits/receives a multi-value (a prime number in excess of 2) signal. SOLUTION: A transmitter is provided with: a binary multi-value conversion means that converts a transmission binary signal into a multi-value (a prime number in excess of 2) signal as an information sequence; an encoding means that generates a transmission sequence comprising a BCH code on a Galois field the original number of which is a prime number in excess of 2 on the basis of the multi-value signal as the information sequence; a multi-value modulation means that applies multi-value modulation to the transmission sequence and transmits the result to a receiver.  The receiver is provided with: a demodulation means that demodulates the signal received from the transmitter to obtain a multi-value (a prime number in excess of 2) received sequence; a decoding means that decodes the received sequence by using a decoding method of a BCH code on a Galois field the original number of which is a prime number, in excess of 2 to obtain a multi-value (a prime number in excess of 2) signal as a decode sequence; and a multi-value binary conversion means that obtains a decoded binary signal from the multi-value signal as the decoded sequence.
Patent JP-2003146528-A (JP)
Title: Image forming device
Inventor: KATSUKI MASANORI
IPC: G03G15/00
Filed: 2001-11-09
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that workability of taking out a sheet medium mixed and loaded on a delivered paper loading part and space saving can not be executed. SOLUTION: The objective device is provided with a first detecting means detecting a rear end of the sheet medium getting out of a sending means provided in an upstream position of a discharging means 56, a discharging means moving means changing a sheet medium carrying position of the discharging means 56 to front of the device while keeping a state holding the sheet medium with the discharging means 56 based on a detection result of the first detecting means, and a sheet medium moving means changing a loading position of the sheet medium to back of the device on the delivered paper loading part 200.
Patent JP-2003144490-A (JP)
Title: Throwaway diaper
Inventor: IEMORI HIROSHI
IPC: A61F5/44
Filed: 2001-11-13
Abstract: PROBLEM TO BE SOLVED: To temporarily fix temporary fixing end parts of mechanical tapes without any heat seal. SOLUTION: This throwaway diaper comprises a top sheet 1, a back sheet 2, an absorbing body core 3 interposed between the both sheets 1 and 2, and gather sheets 4 comprising leg circumference parts, and the mechanical tapes 13 to be detachably attached to prescribed parts of one waist part 5 out of front/rear waist parts 5 and 6 are fixed to the left/right both ends of the other waist part 6. Counter-members (for example, gather sheets 4) for temporarily fixing the temporary fixing end parts 17 of the mechanical tapes 13 in being unused are composed of a fine-denier non-woven fabric having a strong engagement force with the mechanical tapes 13 so that the temporary fixing end parts 17 of the mechanical tapes 13 can be temporarily and directly fixed to the counter-members (for example, gather sheets 4).
Patent JP-2003146088-A (JP)
Title: On-vehicle structure of high voltage electrical box
Inventor: KOIKE HIROTOMO
IPC: B62D25/20
Filed: 2001-11-15
Abstract: PROBLEM TO BE SOLVED: To provide an on-vehicle structure of a high voltage electrical box capable of suppressing increase of the number of parts and weight of a vehicle by effectively utilizing an existing car body structural member and suppressing increase of costs. SOLUTION: A frame member 30 is extended backward from the high voltage electrical box 20 and is connected with a side frame 10.
Patent JP-2003151402-A (JP)
Title: Switch
Inventor: IMAI KATSUYA
IPC: H01H9/00
Filed: 2001-11-15
Abstract: PROBLEM TO BE SOLVED: To provide a switch capable of efficiently emitting light from a light source to outside even if the positions of the light source and a display face is out of alignment. SOLUTION: A switch main body consists of a device body 1 for storing a contact point device 40 and so on and a reversal handle 50 attached to the front face side of the device body 1 in a slidably pivoted manner. A prism 80 fixed to a operation handle 60 is equipped with a display part 81 for emitting the light of a position indication light 71, or a light source, to outside, and a light correction part 82 for transmitting the light of the position indication light 71 to a display face 81a of the display part 81. The light collection part 82 has a first reflection face 82b adjacent to an incident face 82a and forming an angle of 45 deg. with the incident face 82a and a second reflection face 82c for reflecting the light reflected by the first reflection face 82b to the side of the display face 81a which is formed as a plane parallel to the first reflection face 82b.
Patent JP-2003155089-A (JP)
Title: Component pack and component packaging device
Inventor: IINUMA TADAHIKO
IPC: H05K13/04
Filed: 2001-11-19
Abstract: PROBLEM TO BE SOLVED: To realize a component pack and a component packaging device with which the number of kinds of components which can be packaged by the component packaging device can be increased and replacement can be reduced. SOLUTION: The component pack for receiving components to be packaged on a substrate is equipped with a carrier tape on which a plurality of kinds of components are mounted based on a predetermined rule.
Patent JP-2003129276-A (JP)
Title: Process for manufacturing semiconductor device
Inventor: ONO TAKAHIDE
IPC: C25D7/12
Filed: 2001-10-16
Abstract: PROBLEM TO BE SOLVED: To provide an Sn-plating process that inhibits whisker generation, which meets the requirement of Pb-removal from Sn-Pb solders conventionally used for external plating of semiconductors in view of environmental issues and solves the problem associated with the use of Pb-free and Sn-only solders, where reliability cannot be retained due to short circuit caused by whisker development during use. SOLUTION: In Sn-solder plating, the final plating process is performed with an alternating current of at least 10 Hz, especially >=100 Hz, while controlling the minimum current at <=0.