baber/WOPTO huggingface dataset:
Patent JP-2000353767-A (JP)
Title: Board for mounting electronic component, package, mounting method, and method for housing integrated circuit chip in package
Inventor: ANTHONY A PRIMAVERA
IPC: H01L25/065
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To obtain a component package provided with a board, so as to realize an inexpensive and reliable means for mounting electronic components, such as IC chips on an assembly in subsequent steps. SOLUTION: A board 20 is equipped with a part or a chip 22 and another assembly 32. An array of part pads 24 is arranged on the parts and electrically connected to them. An array of assembly contact pads 34 is arranged on the assembly 32, so as to be connected to a following assembly such as a printed board. The part contact pads 24 are electrically connected to the assembly contact pads 24 with conductors fixed to the board 20. A part 42 of the board 20, located between the part 22 and the assembly 32, is flexible. The assembly 32 of the board 20 may be fixed to a rigid carrier, or a casing (or an upper over mold) is fixed to the rigid carrier, so as to protect a part sealed in the package.
Patent JP-2001332921-A (JP)
Title: Chip antenna
Inventor: HIROSE EIICHIRO
IPC: H01Q9/30
Filed: 2000-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a chip antenna, with which the impedance or tuning frequency of an antenna element is controlled by changing a form in one part of a conducting path pattern. SOLUTION: In the chip antenna, with which a helical radiation element is formed by winding a peripheral conducting path pattern around the front, rear and sides of a substrate composed of at least one of dielectric and magnetic substance and at least two signal terminals and at least one ground terminal are respectively connected via a terminal conducting path pattern to a conductive land, having a prescribed area at one end of the radiation element; the line width of the terminal conducting path pattern connected to the terminal is different from that of the other conducting path pattern or form of a part connected to the terminal conducting path pattern connected to the terminal becomes a form extending a gap between the terminal conducting path patterns; and the form of this gap is made different from that of a gap between the other conducting path patterns.
Patent JP-2001333053-A (JP)
Title: Communication method and communication unit
Inventor: MATSUMOTO WATARU
IPC: H04B3/54
Filed: 2000-05-19
Abstract: PROBLEM TO BE SOLVED: To provide a communication unit and a communication method by which data communication can be attained at a low cost with a simple circuit configuration employing half-duplex communication in communication such as power-line carrier communication even when a transmission line, whose transmission impedance disperses, is in use. SOLUTION: When no data transmission request exists, a clock mater transmits a pilot tone intermittently and other communication unit starts transmission after the clock master completes the transmission of the pilot tone for a pilot tone transmission period.
Patent JP-2001329432-A (JP)
Title: Thermo-adhesive conjugate fiber, fiber aggregate and nonwoven fabric made thereof
Inventor: MIYAUCHI MINORU
IPC: D04H1/4291
Filed: 2000-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a thermo-adhesive conjugate fiber firmly bonding to a cellulosic fiber in the case of blending with cellulosic fiber and exhibiting excellent effect to prevent the peeling or falling off of the fiber in fabrication and provide a fiber aggregate and a nonwoven fabric made of the conjugate fiber. SOLUTION: The thermo-adhesive conjugate fiber is a fiber to be used in combination with a cellulosic fiber. The conjugate fiber has a modified cross-section structure composed of the 1st component consisting of a modified polyolefin graft-polymerized with a vinyl monomer containing at least one compound selected from unsaturated carboxylic acid and unsaturated carboxylic acid anhydride and the 2nd component consisting of a resin having a melting point higher than that of the 1st component. The 1st and 2nd components are arranged in conjugated state in the cross-section and the 1st component is continuously exposed on at least a part of the fiber surface in longitudinal direction.
Patent JP-2001331038-A (JP)
Title: Developing device and color image forming device
Inventor: NAKAGAWA SHUICHI
IPC: G03G15/08
Filed: 2000-05-23
Abstract: PROBLEM TO BE SOLVED: To stably obtain an excellent color image by preventing the rate of toner having a large particle diameter in a developing device from getting large in a color image forming device where development is successively performed by plural developing devices held by a rotating supporting body. SOLUTION: In this developing device, the amount of the toner is regulated by bringing a regulating member 28 into contact with the surface of a toner carrier 21 in the middle of carrying the toner (t) to a developing area opposed to an image carrier P by the toner carrier 21. The developing device is provided with a partitioning member 22 having an aperture part 22a in a device main body 20 so as to separate a toner storage part 23 storing the toner from a toner supply part 24 supplying the toner to the toner carrier, and provided with a valve member 25 opening the aperture part only in the case of supplying the toner from the toner storage part to the toner supply part at the aperture part. Then, the developing device is held by the rotating supporting body 40 of the color image forming device.
Patent JP-2001331279-A (JP)
Title: Disk controller and disk control method and recording medium with program recorded
Inventor: IKEDA MITSUO
IPC: G06F3/06
Filed: 2000-05-19
Abstract: PROBLEM TO BE SOLVED: To set the number of times of retry of each hard disk device constituting a disk array so that time-out can be prevented as a whole system. SOLUTION: Prescribed error data are written in a disk so that an error can be generated, and then reading is operated in a hard disk device 600. After executing the number of times of retry which is set at present, the hard disk device 600 notifies a disk controller 500 of error detection. The retry time since the start of reading until the error is notified is measured by a measuring part 540 during that period. This measured value is compared with an OS timer value, and when any margin is not detected, a value obtained by subtracting 1 from the number of times of retry which is set at present is reset. This processing is repeatedly executed until the margin is obtained, and the value of the number of times of retry is decided. Also, the processing is operated to each hard disk device 600.
Patent JP-2001330677-A (JP)
Title: Radiation detector
Inventor: NOMURA KEIICHI
IPC: G01T1/20
Filed: 2000-05-24
Abstract: PROBLEM TO BE SOLVED: To simultaneously improve the photodetecting sensitivity and the MTF (resolution). SOLUTION: In the radiation detector having a scintillator formed on a sensor base having at least a plurality of photoelectric converters, a radiation shield is formed on the scintillator, and a radioactive ray is made incident from the sensor base side.
Patent JP-2001338738-A (JP)
Title: Lamp socket and luminaire
Inventor: IMAOKA YOSHIHIDE
IPC: H01R33/08
Filed: 2000-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a lamp socket and an luminaire, having conductive members for holding a lamp in by inserting for stabilizing the contact of the lamp pin and capable of miniaturization. SOLUTION: This lamp socket conducts lamp mounting by inserting the lamp pin 2 projecting from a lamp base 3, rotating on a lamp axis T for bringing the lamp pin 2 into contact with conductive members 1a-1d, and the conductive members 1a-1d are formed into an almost U shape, holding the lamp pin 2 by inserting it, and the U-shaped directions of the conductive members 1a-1d exist in two kinds in the rotational direction of the lamp pin 2.
Patent JP-2001339953-A (JP)
Title: Switching power supply
Inventor: NAITO YOSHINAO
IPC: H02M7/12
Filed: 2000-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a switching power supply of a NLC(Nonlinear-Carrier Control) control method capable of enhancing the power factor without depending on the precision of an integrator of a control unit of the switching power supply. SOLUTION: In the switching power unit of the NLC method comprising a control unit that keeps the output voltage constant wherein, using a booster converter, an ON/OFF-timing of a switching element is controlled by comparing the integral signal of a detection signal corresponding to a current that flows to the switching element and a signal that is processed from an error signal of the output voltage corresponding to the reference voltage, the control unit comprises a signal-processing means that inputs the detection signal and the error signal and, by processing these signals, generates an output signal V2 that corresponding to an operation result in the left side of;  Vb+k∫dTso(RsIs(t)-Vm+Vm2t/Ts)dt=Vb and an output signal V3 that corresponds to an operation result in the right side of the formula, a comparator U2 that outputs a comparison signal of the output signals V2 and V3 and a converting means that converts an output of the comparator U2 to a drive signal of the switching element.
Patent JP-2001339263-A (JP)
Title: Device and method for automatic equalizer adjustment and device and method for digital recording and reproduction
Inventor: KOBAYASHI NOBUYOSHI
IPC: H03G5/16
Filed: 2000-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a device and a method for automatic equalizer adjustment which can provide and maintain a stable eye pattern opening. SOLUTION: An equalizer adjusting circuit 18 automatically adjusts an equalizer circuit 11 which equalizes the frequency of an RF signal reproduced from an optical disk 2, a differential V/I converter 33 detects the level difference between a low-frequency spectrum component and a high-frequency spectrum component detected from a fixed pattern part (VFO part) provided precedently to a data Data section on the optical disk 2 and controls the boost quantity of the equalizer circuit 11 by a differential amplifier 36 according to the level difference detected by the differential V/I converter 33.
Patent JP-2001336821-A (JP)
Title: Hot water feeding and circulating device
Inventor: KAWAI YU
IPC: A47K3/00
Filed: 2000-05-31
Abstract: PROBLEM TO BE SOLVED: To enable a circulation pipe in a hot water feeding and circulating device to be cleaned without requiring any feeding of hot water in a bath tub and without feeding any detergent into the bath tub. SOLUTION: A flow passage is changed over by a switching valve 26 arranged in a bath tub connecting means 24 to form a non-communicated state with respect to a bath tub 18. An air discharging valve 17n is provided to discharge air in a circulation pipe 25 and a circulation pipe 17h and enable a circulation cleaning of it to be carried out. In addition, circulation of high temperature hot water is enabled and at the same time upon completion of cleaning operation, an automatic draining of water is carried out by a draining means 20, Thus, even under a state that hot water is not present in the bath tub 18, an inside part of a circulating pipe 217h can be automatically cleaned.
Patent JP-2001048943-A (JP)
Title: Composition for film with low refractive index
Inventor: TURRI STEFANO
IPC: C08L51/00
Filed: 2000-06-01
Abstract: PROBLEM TO BE SOLVED: To obtain a composition useful for preparing, through radical reaction route, a polymer film which has antireflective properties, a combination of dust non-adsorbing surface properties, favorable hardness and abrasion resistance and chemical resistance, and a specific range of refractive index. SOLUTION: This composition which is useful for preparing, through radical reaction route, a polymer film having a refractive index of <1.400, is obtained by including (A) a perfluoropolyether of the formula T'-RfT (T and T' are each CF2-CH2-O-CO-CH=CH2 or the like; Rf is a fluoropolyether with a number- average molecular weight of 400-5,000), (B) 0.1-10 wt.% of a perfluoropolyether of the formula T-Rf-CH2OH, (C) 0-30 wt.% of a compound which lowers the viscosity of the final composition and (D) 0.01-10 wt.% of photoinitiator and/or radical reaction initiator. A film is produced by mixing the components A, B and D and optionally, the component C together followed by carrying out a reaction.
Patent JP-2001340945-A (JP)
Title: Marking device for round billet and method for stop position control of round billet
Inventor: MORI KEINOSUKE
IPC: B22D11/16
Filed: 2000-06-02
Abstract: PROBLEM TO BE SOLVED: To save space and to curtail plant costs in case of the plant having a plurality of strands, separately requiring no positional control of a descaling device or a marking device. SOLUTION: In the marking device to mark necessary information on the end surface of a round billet 15 cast and cut out to the designated length in a continuously casting plant, a nozzle 11 for marking and a nozzle 12 for descaling are composed integrally, so as to rise and fall and to traverse. Further the nozzle for marking alone is composed movably in the direction of moving up and down and in the running direction. A detection device 14 of a stop end surface position of the round billet 15 is provided. The same number of the marking devices as the number of the strand in the continuously casting plant is provided so as to run on the same base 19. Accordingly even if the stop position of the round billet changes, markings can be clearly made and even when a marking device happens to breakdown, another marking device can back it up.
Patent JP-2001349416-A (JP)
Title: Chain guide
Inventor: KAMIYA MASAHISA
IPC: F16H7/18
Filed: 2000-06-02
Abstract: PROBLEM TO BE SOLVED: To realize a chain guide capable of effectively regulating vibration of a timing chain. SOLUTION: The chain guide for regulating a timing chain has an oil passage for supplying oil from an oil pump to a cylinder head. The oil passage has a head side oil passage disposed in a timing chain chamber in a cylinder head cover, and the head side oil passage is made of pipe member. One side of the chain guide is fixed to the cylinder head, and the other side is connected to the pipe member. A hydraulic actuator is added that changes rotation phase between one of an intake cam sprocket and an exhaust cam sprocket that are hung with the timing chain and a camshaft mounted with the sprocket.
Patent JP-2001343509-A (JP)
Title: Reflector and image display sheet
Inventor: NAKAJIMA TOSHITAKA
IPC: E01F9/00
Filed: 2000-06-05
Abstract: PROBLEM TO BE SOLVED: To provide a reflector which can extremely easily control the direction of the reflected light to a specified observation angle range or can control the reflection direction of light so that the reflected light is visible as brightest in an observation angle range not including the normal direction (0 deg. observation angle) and which is especially useful as a structural part of an image display sheet to be used for a sign, signboard or the like. SOLUTION: The reflector has a base body having at least one principal face and a plurality of reflection elements disposed adjacent to each other on the principal face of the base body. Each reflection element has a curved concave part and has a reflection layer along the surface of the concave part. The optical axis of the concave part is tilted to make a specified angle θ from the normal line of the principal face of the base body. In the cross section including the angle made by the aforementioned optical axis and the normal line of the base body, the cross section of the joint part joining one concave part and the adjacent concave part is an almost straight line inclined in the same direction as the tilt direction of the optical axis, and the direction of the almost straight line cross section makes a specified angle η from the normal of the base body.
Patent JP-2001349184-A (JP)
Title: Tunnel excavator having rectangular section
Inventor: ASAHI TOSHINORI
IPC: E21D9/093
Filed: 2000-06-05
Abstract: PROBLEM TO BE SOLVED: To provide a tunnel excavator having a rectangular section capable of continuously excavating while preventing the collapse of a face ground, at the same time, also facilitating the directional control and smoothly and efficiently carrying excavated earth and sand out. SOLUTION: The tunnel excavator having the rectangular section is so constituted that excavation means formed by projecting a plurality of arms putting excavation edges on the front ends to a rotational shaft in a state to change directions at right angles to each other every certain interval are successively arranged to the inside of the front end in an opening of a cylindrical body having a rectangular section to continuously excavate the face ground taken inside of the end in the opening of the cylindrical body with the excavation edges by rotation of the rotational shaft, at the same time,  an opening bottom section is provided to the lower surface of the cylindrical boy to excavate the ground exposed to the opening bottom section by moving the whole excavation means below and that the excavated earth and sand are pushed backward with the excavation edges to direcly throw down to a belt conveyor.
Patent JP-2001345994-A (JP)
Title: Image processor and its control method, image forming system and its control method and storage medium
Inventor: NOHATA YUKIO
IPC: H04N1/00
Filed: 2000-06-05
Abstract: PROBLEM TO BE SOLVED: To provide an image forming system which can make use of features of the monochromatic laser recording system of facsimile equipment and also can deal with color prints. SOLUTION: This system includes an image processor 100 which performs image processing, an information processing terminal 200 which is connected to the processor 100 and an external image forming device 150 and controls the device 150 from the terminal 200 via the processor 100. When an image is formed by using the device 150, the processor 100 is connected to the device 150 for performing the image forming operation when the processor 100 can perform the data processing for the device 150. Meanwhile, the processor 100 performs once the data processing via the terminal 200 and then is connected to the device 150 for performing the image forming operation when the processor 100 cannot process the data for the device 150.
Patent JP-2001354492-A (JP)
Title: Method and device for forming diamond film
Inventor: MEGURO KIICHI
IPC: C23C16/511
Filed: 2000-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a method of forming a diamond film from a microwave plasma, in which production conditions are controlled on the basis of spectral measurement of the light emitted by the plasma and by which the high quality diamond film having a large surface area can be obtained. SOLUTION: This method for forming the diamond film comprises introducing a gaseous mixture of a hydrocarbon gas and gaseous hydrogen into a reaction vessel, then exciting the introduced gaseous mixture with microwaves introduced into the reaction vessel to generate the plasma, measuring spectra of the light emitted by the plasma and controlling the conditions for forming the diamond film so that spectra of a carbon molecule (C2) are included within a prescribed required range.
Patent JP-2001348812-A (JP)
Title: Cable structure and earthquake resistant reforming method therefor
Inventor: INOUE KOICHI
IPC: E01D22/00
Filed: 2000-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a bridge more inexpensively realizable than a conventional earthquake resistance reinforced bridge and superior in terms of safety. SOLUTION: In a cable stayed bridge 31 having main beams 33 and a main tower 32 for supporting the main beams 33 via cables 35, weight of the main tower 32 is adjusted by additional mass 36, 36, etc., so that a vibrational response of the main tower 32 at earthquake time becomes minimum.
Patent JP-2001350454-A (JP)
Title: Display device
Inventor: AOYAMA TETSUYA
IPC: G02F1/133
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To provide a display device capable of displaying a high definition and high speed moving picture by decreasing a clock frequency, increasing a signal write time, and increasing an opening ratio. SOLUTION: The display device is composed of a display module 1 for adopting plural pixels as one block unit, selecting the plural pixels in one block at the same time, and displaying a picture by summing one or plural pieces of specific patterns 6 of different spatial frequencies, a display control device 2 for controlling the display module 1, an arithmetic operation circuit 3 for generating the specific patterns 6 of different spatial frequencies from a picture signal for each block with the patterns weighted, and a picture generating device 4 for generating a picture signal. Thus, the display device capable of displaying a super-high definition and high speed moving picture by decreasing a clock frequency, increasing a signal write time, and increasing an opening ratio, can be obtained.
Patent JP-2001348462-A (JP)
Title: Plasma resistant rubber composition and rubber material for plasma processing apparatus
Inventor: MORIMOTO KAZUKI
IPC: C08J3/24
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To provide a sealing material and other various rubber materials for a plasma processing apparatus not only excellent in mechanical characteristics but also exhibiting excellent plasma resistance and generating no contaminants such as a particle or the like, and a rubber composition suitable as a starting material of the rubber materials. SOLUTION: The plasma resistant rubber composition comprises a mixture of a fluororubber with a fluorosilicone rubber as a rubber component, and a peroxide crosslinking agent. The rubber material for a plasma processing apparatus is obtained by molding the plasma resistant rubber composition into a specified shape and crosslinking it.
Patent JP-2001358759-A (JP)
Title: Method and system for packet switching and storage medium
Inventor: HARIMOTO MITSUTOSHI
IPC: H04L45/243
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To increase the number of logic channels and to distribute the logic channels connected on a plurality of lines in the interconnection of packet switching networks. SOLUTION: The same opposite packet switching network address is allocated to the plurality of the lines at the time of interconnecting one packet switching network with another packet switching network, and the logic channels are allocated to the plurality of the lines at the time of performing logic connection between the packet switching networks with each other.
Patent JP-2001006365-A (JP)
Title: Low-order word line driving circuit and semiconductor memory using the same
Inventor: SUH JUNG WON
IPC: G11C8/14
Filed: 2000-06-13
Abstract: PROBLEM TO BE SOLVED: To reduce a layout space by providing a pull-up driving means which is connected between a word line boosting signal and a low-order word line and whose gate is connected to a high-order word line and a pull-down driving means which is connected between the low-order word line and a ground voltage and whose gate is connected to a high-order word line in this low-order word line driving circuit. SOLUTION: This low-order word line driving circuit is constituted of an NMOS type transistor MN1 which is connected between a node N2 inputting a px potential and a low-order word line SWL and whose gate is connected to an authenticity high-order word line MWL and an NMOS type transistor MN2 which is connected between the low-order word line SWL and the ground voltage and whose gate is connected to a complement high-order word line/ MWL. The transistor MN1 fulfills the role of a pullup transmitting a VppL voltage level to the low-order word line SWL and the transistor MN2 pulls down the low-order word line SWL to 0 V.