baber/WOPTO huggingface dataset:
Patent JP-2004079123-A (JP)
Title: Optical disk device
Inventor: KONO TAKASHI
IPC: G11B7/135
Filed: 2002-08-21
Abstract: <P>PROBLEM TO BE SOLVED: To suppress DC components in tracking error signals due to the shift of an objective lens and to enable highly accurate tracking servo.  <P>SOLUTION: Defining the effective diameter of the objective lens as (a), the track pitch of a recording medium as d and the numerical aperture of the objective lens as NA, the width α in a radial direction when ±1st order diffracted lights are made incident on the objective lens satisfies α≤λ×a/(2d×NA), 0-order and ±1st order diffracted lights are converged on an optical disk through the objective lens and the return lights are detected on respective photodetectors having a division boundary in a direction orthogonal to a disk radial direction. Defining the differential signals of a 0-order light, +1st order light and a -1st order light as TE1, TE2 and TE3, sum output as A1, A2 and A3 and gain G2 as G2=A2/A3, the tracking error signals TES are defined as TES=TE1-G1×(TE2+G2×TE3). Also, at the time of defining an objective lens shift amount as b, the width α in the radial direction of the ±1st order diffracted lights satisfies 4b≤α.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004087271-A (JP)
Title: Nano-size domain-content high-performance ceria system solid electrolyte
Inventor: MORI TOSHIYUKI
IPC: H01B1/08
Filed: 2002-08-26
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that when a bivalent or a trivalent cathion solid solution volume is to be increased to increase an oxygen failure volume in a ceria system solid electrolyte, a conductivity decreases and an improvement in an oxide ion conductivity is made hard to attain.  <P>SOLUTION: The ceria system solid electrolyte is structured with a complex oxide sintered body expressed in a composition formula: (M<SP>3+</SP><SB>x</SB>N<SP>2+</SP><SB>1-x</SB>)<SB>y</SB>Ce<SB>1-y</SB>O<SB>2-d</SB>. A crystal phase constituting the sintered body is mainly of a single fluoric type structure by identification of the crystal phase by an X-ray diffraction test with a particle size of the sintered body crystal of 50 nm or more and 150 nm or less based on a starting grain size, or 5 μ or more and 20 μ or less, with a particle diameter inside the sintered body made dense to not less than 95% of theoretical density in a relative density, with fluctuation of each particle within ±50% from an average particle size and having a micro domain inside the sintered body particles with average size of 1 nm or more and 10 nm or less, and with an interface of a fluoric crystal as a parent phase and the micro domain perfectly matched.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004084270-A (JP)
Title: Structure of cylindrical object
Inventor: NAKAJIMA MASAO
IPC: E02D5/80
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To easily erect a temporary electric pole or the like for restoration from disaster.  <P>SOLUTION: This structure of a cylindrical object comprises an anchor having a helical drilling blade at its tip and vertically buried into the ground; a bar-shaped joint attached to the upper end of the anchor; and a rod-shaped body attached to the joint.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004088907-A (JP)
Title: Motor driver
Inventor: SENGOKUDANI ZENICHI
IPC: H02P6/20
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a motor driver which reduces a torque ripple, a vibration and a noise at a motor drive time and which simultaneously has a high output and a high efficiency.  <P>SOLUTION: This motor driver includes a voltage supply unit for supplying a voltage to three-phase drive coils, and a voltage supply rate controller for controlling the amplitude of the voltage to each phase drive coil. The voltage is supplied to become a first value≤second value, wherein the first value is the amplitude of an applied voltage during a first voltage supply period from a suspension state to a certain set rotational speed, and the second value is the amplitude of an applied voltage during a second voltage supply period to be driven exceeding the set rotational speed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004087016-A (JP)
Title: Magnetic storage device
Inventor: TAKAHASHI YASUHIKO
IPC: G11B5/02
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic storage device using a write-driver circuit in which impedance matching is realized by a simple circuit, circuit scale is miniaturized, power consumption is reduced, and which is able to correspond to high transfer rate.  <P>SOLUTION: This device is constituted of four current sources CS1∼CS4 arranged respectively in four sides of a H bridge, a magnetic head 14 provided in a bridge of the H bridge, capacitors C1, C2 connected between the bridge of the H bridge and the connection point P, N of the side and ground, and a series circuit of terminal resistors R1, R2.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004096142-A (JP)
Title: Area polling system
Inventor: HIRAKI YUZO
IPC: H04B7/24
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a risk of collision of radio data from a plurality of mobile stations in a radio data transmission system including the plurality of mobile stations each provided with a radio device for transmitting the vehicle number information of its own station and positional movement information, and a base station for receiving and processing the information from each of the mobile stations.  <P>SOLUTION: For an area polling signal from the base station, center point information within a predetermined range is added in addition to latitude/longitude information within a predetermined range, the distance between the base station and the position of the own vehicle is calculated from the center point information in a mobile station, and a timing for transmitting the movement/position information in radio data is controlled, thereby reducing collision on the radio data.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004092397-A (JP)
Title: Centrifugal compressor
Inventor: KOMATSU YOSHIMI
IPC: F04D29/053
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce flow resistance and to increase an operating range.  <P>SOLUTION: The compressor consists of a housing 8, a rotary shaft 1, and a moving blade group 2 arranged in a peripheral direction and fixed in the shaft 1. An alternative passage 14 connecting a gap between an upstream side part and a downstream side part of the centrifugal passage formed between the blade group 2 and the housing 8 is formed in the shaft 1. The passage 14 naturally forms a circulation pass 18 to reduce the flow resistance and increase the operating range.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004089791-A (JP)
Title: Method and device for separating composite of different type material
Inventor: MATSUNAGA DAISUKE
IPC: F22G5/12
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To decrease the quantity of industrial waste by easily separating a composite consisting of different types of materials.  <P>SOLUTION: Water supplied to a heating pipe 22 of a primary heating chamber 12 is heated by a gas burner 24 in a boiler section 16 to water vapor, then superheated by a heater 30 in a superheated vapor generating section 18 to superheated vapor. Out of the generated superheated vapor, only fine vapor particles pass a gas-water separation chamber 50, and they are re-heated in a secondary heating chamber 70 to a desired temperature and sent to a separation processing chamber 90. In the separation processing chamber 90, a composite material 98 bonded by an adhesive is exposed to the superheated vapor having a large heat capacity and a heat transfer coefficient. Thus, by the difference in the heat expansion rate of different kinds of materials and thermal decomposition of the adhesive, the composite material can be easily separated. Also, by reusing the separated materials, resources can be effectively used and the amount of waste can be reduced.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004096642-A (JP)
Title: Packet relay system, packet relay method, packet processing apparatus, packet connection control device, information acquisition system, and information acquisition method
Inventor: NAKANO MASATOMO
IPC: H04L47/41
Filed: 2002-09-03
Abstract: <P>PROBLEM TO BE SOLVED: To monitor connection destinations of a plurality of packet processing apparatuses, and to transmit packets addressed to the same connection destination while multiplexing them in the same packet processing apparatus.  <P>SOLUTION: The packet processing apparatus has: a first packet transmitting-receiving means (a) for transmitting-receiving a first packet; a first address reading means (b) for reading a first connection destination address from the first packet; a storage means (c) for storing the first connection destination address and an address of the first packet transmitting-receiving means; a second packet transmitting-receiving means (d) for transmitting-receiving a second packet; a second address reading means (e) for reading a second connection destination address from the second packet; a judgement means (f) for judging whether or not the first connection destination address and the second connection destination address are matched; and a multiplexing and transmitting means (g) for multiplexing and transmitting the first packet and the second packet to the first connection destination address when the judgement means judges the first connection destination address and the second connection destination address are matched.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091745-A (JP)
Title: Tire rubber composition
Inventor: SHIROKAWA TAKASHI
IPC: C08L9/00
Filed: 2002-09-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tire rubber composition used for e.g., a tire tread suppressed in deterioration in frictional performance on ice due to rubber processing.  <P>SOLUTION: The tire rubber composition contains 100 pts. wt. diene rubber and 1-20 pts. wt. thermally expansible microcapsules which become a gas-filled thermoplastic resin when thermally expanded, wherein thermally expansible microcapsules having a particle diameter of 20-60 μm account for at least 80% of the entire thermally expansible microcapsules and, desirably, thermally expansible microcapsules having a particle diameter larger than 60 μm account for at most 10% of the entire thermally expansible microcapsules.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004102479-A (JP)
Title: Fragility test inspection providing system and fragility test information providing method
Inventor: SUGIYAMA MASAKI
IPC: G06F21/56
Filed: 2002-09-06
Abstract: <P>PROBLEM TO BE SOLVED: To easily execute fragility inspection to an information communication network and a system by using fragility inspection items which are always based on the latest fragility information.  <P>SOLUTION: This fragility inspection information providing system is provided with a database in which fragility inspection information including all the information of the fragility inspection information items of various fragility inspection tools is stored together with its registration dates. A user system transmits reading condition information to the fragility inspection information providing database in a fixed time interval. The fragility inspection information providing database which receives the reading condition information reads the fragility inspection information registered at the date when the fragility information has been previously acquired and the following dates from the database, and converts the format of the fragility inspection information corresponding to the kind of the fragility inspection tool of the user system, and transmits it to the user system. The user system additionally sets the converted fragility inspection information to the fragility inspection tool as fragility inspection information to be newly added.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003178460-A (JP)
Title: Optical information recording device and optical information reproducing device
Inventor: HORIGOME HIDEYOSHI
IPC: G11B7/135
Filed: 2002-09-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical information recording device and a reproducing device which can record and reproduce a large quantity of information to and from an optical information recording medium at high density by hologram recording.  <P>SOLUTION: Information light carrying and supporting the two-dimensional pattern information corresponding to data and reference light for recording modulated by phase modulation patterns are arranged on the hologram optical information recording medium in such a manner that the optical axes are aligned to the same line and the generated interference patterns are recorded. Parity data based on the two-dimensional pattern information is also recorded in a prescribed region.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004098481-A (JP)
Title: Board bonding machine using high-frequency dielectric heating
Inventor: YAMAMOTO TAIJI
IPC: H05B6/10
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To eliminate changing of a false board for pressing a plurality of small boards A and A each time the size of a board as a work changes and ensure an efficient working process, in a board bonding machine which bonds the small boards A and A of small width by high-frequency dielectric heating.  <P>SOLUTION: The board bonding machine operates by arranging a plurality of the small boards A and A in a width or thickness direction as a group of the boards B through a heating adhesive, then allowing one end of the group B to be supported by a stationary member and pressing the other end by a pressing means and heating the group B by a pair of high-frequency electrodes 21 and 23 arranged on both sides of the group B. Of the paired high-frequency electrodes 21 and 23, one electrode is a stationary position high-frequency electrode 23 which keeps a stationary position to a direction where the group B is pressed. The other electrode is a movable high-frequency electrode 21 which moves in a direction where the group B is pressed and is pressed to move by the pressing means, when the group B is pressed by the pressing means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004098853-A (JP)
Title: Driving system control device for on-vehicle equipment
Inventor: MONIIRU BENFUREJJI
IPC: B60H1/00
Filed: 2002-09-10
Abstract: <P>PROBLEM TO BE SOLVED: To maintain air-conditioning performance during low engine speed and protect on-vehicle equipment by controlling driving systems for the on-vehicle equipment such as a compressor or a water pump.  <P>SOLUTION: The compressor 11 has two driving systems with a travelling engine 15 and a motor 16 and an electromagnetic clutch 17 disconnects the driving system with the travelling engine 15. Change-over is performed between the case that the compressor 11 is driven by the travelling engine 15 and the case that the compressor 11 is driven by the motor 16. Information related to the speed of the travelling engine 15 is detected, the driving system with the travelling engine 15 is shut off by cutting off the electromagnetic clutch 17 when the engine speed seized in accordance with the information exceeds a preset threshold value, and the compressor 11 is driven by the motor 16.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004103944-A (JP)
Title: Ashing method, dry etching device, and method and device for manufacturing electro-optical device
Inventor: MISU HITOSHI
IPC: H01L21/3065
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ashing method or the like in a dry etching chamber.  <P>SOLUTION: Gas, such as hydrogen, having reactivity to fluorine contained in an etching process gas is reacted with a residue by introducing it into a dry etching device before an ashing process after an etching process is finished. Performance of peeling removal in the following ashing in the dry etching chamber can be thereby prevented from deteriorating. Furthermore, although the dry etching chamber and the ashing chamber are different in the kind of process gas and depressurization degree (vacuum degree), they are equivalent equipment. Accordingly, ashing is also possible in the etching chamber by diverting or improving the equipment.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004104681-A (JP)
Title: Input buffer circuit
Inventor: YASUDA KENICHI
IPC: G11C11/409
Filed: 2002-09-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an input buffer circuit with a constant reaction rate in output inversion, regardless of a potential level where complementary signals cross.  <P>SOLUTION: Input buffer circuits 20 and 30, which are the input buffer circuits of current mirror type, are combined. The output signal OUT is outputted through an inverter 40 by synthesizing the waveforms of the both output signals OUT1 and OUT2 in the waveform on a node N4. The output signals OUT1 and OUT2 are synthesized in the waveforms at the same phase by inputting complementary clock signals CK and /CK from the opposite direction, even though the clock signals CK and /CK are opposite in phase.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004108787-A (JP)
Title: Roundness measurement device
Inventor: KIKUCHI NOBORU
IPC: G01B21/30
Filed: 2002-09-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a roundness measurement device, which can carry out the measurement, even when the angle of a contact probe when a measurement program is prepared is different from that when the automatic measurement is carried out, by properly instructing the correction of the angle of the contact probe, and which does not damage a detector due to contact of the contact probe with the object to be measured, when the detector is moved.  <P>SOLUTION: The detector 50 is moved to the position adjacent to the object W to be measured in front of the measurement position, where it is confirmed that the contact probe 51 is not brought into contact with the object W. A control part 60 for confirming the contact state of the contact probe 51 at the measurement position is provided. A display means 70 for instructing the correction of the angle of the contact probe at each position, if necessary, is provided so that the angle of the contact probe can be easily corrected according to the instruction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004110172-A (JP)
Title: Information processor, information processing system, information processing method, function expansion program and storage medium
Inventor: FUKUDA MASATO
IPC: G06F3/14
Filed: 2002-09-13
Abstract: <P>PROBLEM TO BE SOLVED: To easily change a message displayed by an information processor.  <P>SOLUTION: In this system including a server device 104 and a client terminal 101 that can communicate through a network, a character string data request part 103 of the client terminal 101 requests character string data constituting the message from the server device 104. The server device 104 determines whether the character string data of a requested language can be generated in a language environment analysis part 105, then generates the character string data by a character string data generating part 106 and transmits the character string data to the client terminal 101 by a character string data providing part 107. The client terminal 101 receives the character string data by a character string data acquiring part 108 and displays the message based on the received character string data on a display part 109 by embedding it in a prescribed dialogue.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004108878-A (JP)
Title: Vertical type balancer
Inventor: YAMAKAWA HIROSHI
IPC: G01M1/02
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To enable installation in narrow location and improve work environment of balance test.  <P>SOLUTION: The vertical type balancer 10 is provided with a putting-on and removing part 1 which moves in any one direction of vertical direction, fixes a device W under test, moves in the other direction of the vertical direction, and relieves the device W from the fixed state, and a means 2 of movement for moving the putting-on and removing part 1. The means 2 of movement is provided with a drive 21 for performing rotation drive by an electric power source, and power transmission mechanism 22 for transferring rotation drive power of the drive 21 to the putting-on and removing part 1.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004110328-A (JP)
Title: Compound device and electric current distributing method for the same
Inventor: TOMIZUKA SHINTARO
IPC: G06K19/07
Filed: 2002-09-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compound device capable of avoiding a shortage of an electric current due to an overlap of periods increased in electric current consumption of each of a plurality of external memory devices, and to provide an electric current distributing method for the same.  <P>SOLUTION: This compound device 50 is formed of a hub controller 51 connected to a computer 40 through a serial bus 42 and a plurality of external memory devices 52 and 53 connected to the computer 40 through the hub controller 51 to limit the electric current to be consumed in the plurality of external memory devices 52 and 53. One external memory device 53 of the plurality of external memory devices supplies an electric current consumption monitor signal to the other external memory device 52, and operation of the other external memory device 52 is limited so that the electric current consumption thereof is less than the predetermined value when the electric current consumption of the external memory device 53 increases on the basis of the electric current consumption monitor signal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004108689-A (JP)
Title: Negative ion generator
Inventor: TAKAGI KOJI
IPC: F24F7/00
Filed: 2002-09-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a negative ion generator using a water static electricity system.  <P>SOLUTION: This negative ion generator 1 is provided with a negative ion generation zone 3 below a device housing 2 and a negative ion separation zone 5 above it. The negative ion generation zone 3 is provided with an air inlet 4, a water feeding pipe 8 inserted into the device housing 2 and provided with a nozzle 11, a target 9 against which water injected from the nozzle 11 collides, and a water drain passage 10 formed in a bottom part to generate negative ion due to collision and make negative ion float in air. The negative ion separation zone 5 is provided with an air outlet 7 and a negative ion separation flow passage 6 formed by providing a baffle plate 12 to sort negative ions by gravity in air and let air containing negative ion flow out of the air outlet 7. Diameter of a nozzle 12 is less than 0.2mm.  <P>COPYRIGHT: (C)2004,JPO