baber/WOPTO huggingface dataset:
Patent JP-2002239820-A (JP)
Title: Chuck device of machine tool
Inventor: SAEGUSA TOSHIAKI
IPC: B23B31/02
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a chuck device to shorten installing time of a work and to work in high precision. SOLUTION: This chuck device is furnished with a work positioning member 24 provided on a front end of a spindle 2, a work holding part provided on the front end of the spindle 2 to project in front of the work positioning member 24, a small diametrical part smaller in diameter than the work holding part as well as provided in front of the work holding part, a hollow work mounting shaft 25 having taper parts respectively provided between the work holding part and the small diametrical part and on a part in front of the small diametrical part and contracted in diameter toward the front and an operation rod 47 arranged in the inside of the work mounting shaft 25.  Additionally, it is furnished with a rod driving means to move the operation rod 47 in the longitudinal direction and a work fixing means provided on the operation rod 47 and to be changed over between a retreating position to retreat inward in the diametrical direction from an outer peripheral surface of the work mounting shaft 25 by movement of the operation rod 47 and a projected position projected outward in the diametrical direction from the outer peripheral surface.
Patent JP-2002245648-A (JP)
Title: Optical pickup slider
Inventor: TAKAHASHI JUNICHI
IPC: G11B7/09
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To set a distance from a substrate to an optimal value by setting up a condensing lens in parallel to an information recording medium. SOLUTION: An optical pickup slider 5 is attached to an arm 7 via a suspension 6. When the information recording medium 8 is rotated, the flow of air is produced on the surface of the information recording medium 8 owing to viscosity of air. Thus, buoyancy is produced in the optical pickup slider 5, and the tip end of the slider is lifted. The shape of the optical pickup slider 5 and the number of rotation of the information recording medium 8 or the like are designed so that the tip end surface 9 of a probe having a preformed fine opening 4 parallels the surface of the information recording medium 8 at this time.
Patent JP-2001256604-A (JP)
Title: Magnetic disk device
Inventor: KOKADO YUICHI
IPC: G11B5/255
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic disk device including an improved magnetic head, capable of preventing damages to both sliding parts of the head and a magnetic disk, and reducing a change in a friction coefficient during sliding. SOLUTION: This magnetic disk device is provided with a floating-type magnetic head for floating a slider, having a magnetic recording/reproducing element on a magnetic disk which rotates at a high speed. In this case, the magnetic recording/reproducing element is disposed close to the sliding surface of the slider while forming a non-sliding surface, and the sliding surface of the slider is provided with a magnetic head which is covered with an amorphous carbon thin film, containing hydrogen and having Vickers hardness of, 1,500 Hv or higher, and a magnetic disk covered with a carbon thin film in quality similar to that of one deposited on the slider sliding surface of the magnetic head on the recording medium layer thereof as a protective layer.
Patent JP-2002244696-A (JP)
Title: Controller by speech recognition
Inventor: TSUNASHIMA NORIYUKI
IPC: G10L15/22
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To prevent malfunction due to an error in speech recognition caused by noise. SOLUTION: This controller is equipped with a means which compares an inputted voice pattern with voice patterns in a dictionary memory, a means which detects a noise level, and a voice output means; when the noise level is less than a specific value, an inputted control command obtained by performing speech recognition is performed as it is and when the noise level is larger than the specific value, a voice for confirming whether or not the control command obtained by the voice recognition is voiced is outputted by the voice output means. When a voice showing that a recognition result is coincident is inputted, the control command obtained by the speech recognition is performed and when a voice showing that the recognition result is not coincident is inputted, voice input is expected without performing the control command obtained by the speech recognition.
Patent JP-2002247828-A (JP)
Title: Spindle motor
Inventor: NAGATSUKA OSAMU
IPC: H02K5/167
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a thin and low price spindle motor which can be used for a thin optical disc apparatus. SOLUTION: This spindle motor comprises a bearing member provided to a fixed member, a stator provided to the fixed member to have a winding coil disposed around the bearing member, a rotating shaft supported to rotate by a bearing portion, a rotating shaft support member fixed to the rotating shaft, a rotating table member loading a storage medium having an attracting plate having a hole at the center and rotating integrally with the rotating shaft supporting member, a yoke member disposed opposing to the winding coil and fixed to the rotating table member, and a rotor provided with a magnet member fixed to the yoke member. The rotating shaft and rotating shaft supporting member are provided to enter the hole of the attracting plate. Moreover, the rotating shaft supporting member is integrally formed with any one of the turn table or rotor yoke.
Patent JP-2002240152-A (JP)
Title: Method for judging joining quality in rotary friction joining
Inventor: ITO RYOSUKE
IPC: B29C65/82
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for judging the joining quality in rotary friction joining capable of judging the joining quality of a joined part simply and relatively accurately in a non-destructive manner, even in the case of a joining method such that the initial peak of rotary torque is not present. SOLUTION: The proper range of rotary torque at a measuring point at the time of normal fitting, which is arbitrarily set between a point of time when rotation is started and a piping material 2 made of a thermoplastic resin arrives at a normal fitting state necessary for the joining of two piping materials made of a thermoplastic resin, in such a case that a normal fitting state is obtained and a point of time when rotation is stopped, and the proper range of the rotary torque at a measuring point immediately before rotation is stopped in such a case that a normal joining state is obtained are preliminarily calculated.  At the time of actual joining, the rotary torques at the measuring point at the time of normal fitting and the measuring point immediately before rotation is stopped are measured and joining quality is judged based on whether both actual rotary torques are the rotary torques within the respective proper ranges.
Patent JP-2002250627-A (JP)
Title: Position measuring device of small bore propelling machine
Inventor: IRIYAMA YOSHIHIRO
IPC: G12B9/08
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To provide a position measuring device of a small bore propelling machine, capable of measuring angular velocity with high accuracy, even in a vibration loaded state. SOLUTION: In this position measuring device of the small bore propelling machine, on which an optical fiber gyro 3 for measuring the angular velocity of the pusher 2 for burying a small bore pipe 1 in the ground is loaded, a vibration isolator 10 for suppressing application of vibration to the optical fiber gyro 3 is installed.
Patent JP-2002252196-A (JP)
Title: Substrate processing system
Inventor: ARAKI HIROYUKI
IPC: H01L21/306
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To suppress particle contamination of a substrate impregnated with processing liquid in a processing tank. SOLUTION: The substrate processing system performing specified processing of a wafer W with processing liquid comprises the processing tank 1 storing the processing liquid, and processing the wafer W by immersing a substrate in the processing liquid, a plurality of outer tanks 7 disposed on the outer circumference of the processing tank and having regions A, B, C and D for collecting the processing liquid flowed over the processing tank 1, a plurality of discharge openings 9a, 9b, 9c and 9d made in the plurality of outer tanks 7, respectively, in order to discharge the processing liquid from the regions A, B, C and D, and a plurality of on/off valves 13, 17, 21 and 25 for controlling discharge of processing liquid from the plurality of discharge openings 9a, 9b, 9c and 9d.
Patent JP-2002253015-A (JP)
Title: Structure of planter case in transplanter
Inventor: WATARI KEISUKE
IPC: A01C11/02
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a planter case in a transplanter internally equipped with a power transmission device which transmits power from a rotationally driven transmission shaft for planting to a planting shaft via a power transmission member, the planter case being designed so that it can be integrally molded into a hollow state by casting and the oil in the planter case can be drawn out almost exclusively by opening the rear part of the planter case when oil is exchanged. SOLUTION: A storing part 21 for storing a transmission shaft 5 for planting is formed at the front end of the planter case 6, and a longitudinally cylindrical storing part 23 communicating to the rear side of the storing part 21 and storing the power transmission member and a planting shaft 8 is integrally molded. Further, the storing part 23 for the power transmission member and the planting shaft 8 is molded in such an inclined state that it is widened as going backward from the position for communicating with the storing part 21 of the transmission shaft 5 for planting toward the rear end opening 24 of the planter case 6.
Patent JP-2002262587-A (JP)
Title: Piezoelectric actuator, portable apparatus, and adjustment method for adjusting pushing force in piezoelectric actuator
Inventor: SAWADA AKIHIRO
IPC: H01L41/09
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a piezoelectric actuator which can obtain required drive characteristics. SOLUTION: The other end 12c of a spring member 12 is pressed against an eccentric pushing force adjustment cam 13. If the pushing force adjustment cam 13 is turned by loosening a screw 13a and pressed against the other end 12c as shown by dot lines in Figure, one end 12a of the spring member 12 pushes a portion 11d of a supporter 11 upward in Figure. With such a constitution, a protrusion 36 of a vibration plate 10 is pushed toward a rotor 100 side, and the drive efficiency of the rotor 100 can be improved.
Patent JP-2002260478-A (JP)
Title: Keyboard
Inventor: KAMEI NOBUYUKI
IPC: H01L35/32
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a keyboard that a user can recognize the keys of a notebook personal computer even if it is used in the dark in an airplane and the like. SOLUTION: The keyboard 10 comprises a board 34, a membrane 30, an elastic member 17, a cover sheet 22, and key tops 12, all made of light transmitting material, and is also provided with a light emitting means 39 emitting light from under the board 34 toward the key tops 12. As the key tops are illuminated, the characters displayed on the key surfaces 56 of the key tops 12 become recognizable, so that a key operation error can be prevented. A thermoelectric generating element 42 is used as the power source for emitting the light from the light emitting means 39, so that the working time of the battery of the notebook personal computer is not reduced by the illumination.
Patent JP-2002256577-A (JP)
Title: Slope-protection retaining wall device
Inventor: KASHIHARA SEIJI
IPC: E02D29/02
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To achieve labor-saving of field work and shorten the term of works. SOLUTION: A retaining wall block 2 is installed in a designated position, and then sediment is refilled in the lower part thereof. Leveling for the inside position of the retaining wall block 2 is performed, a foundation crushed stone 17 is disposed on the top face thereof, and mortar 18 is placed on the top face with a designated thickness. A slope-protection block 3 is installed on the top face. After that, an optical fiber cable 4 is laid inside the slope-protection block 3, and sediment is refilled to the upper end position of the slope-protection block 3. The retaining wall block 2 and the slope-protection block 3 are formed by sequentially connecting unit blocks produced in a factory in the longitudinal direction in a field.  In the field, it is sufficient only to connect the unit blocks to each other, so that labor-saving of field work is achieved and the term of works can be shortened.
Patent JP-2002262579-A (JP)
Title: Power converter
Inventor: NAKATSU KINYA
IPC: H02M7/48
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a power converter having a high-precision control property at low cost, by enabling the detection of a load current precisely and easily by a shunt resistor-type current detector. SOLUTION: A power converter which inputs a voltage between both ends of a shunt resistor 6 connected in an electric DC line between a converter portion 2 and an inverter portion 3 of a PWM control system to a computer 7 as a detected value of the load current, and PWM-controls the inverter portion 3, is fitted with an error detection circuit. The detection circuit 12 determines that detection is wrong when it learns from an S and H control signal, that the pulse width of a PWM signal has become equal to or narrower than a specified value. Its error detection signal is inputted to an overcurrent protecting circuit 13 and the computer 7 for a PWM control, and an influence by high-frequency noise is removed so that the output data of an S and H circuit 8 is not used for controlling the inverter portion 3.
Patent JP-2002255611-A (JP)
Title: Olefinic resin fiber for reinforcing cement
Inventor: GOTO TOSHIHIRO
IPC: C04B40/02
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To provide an olefinic resin fiber for reinforcing cement, which has excellent heat resistance and can show stable reinforcing effect to the hardened cement even when a cement molding is cured in an autoclave. SOLUTION: This cement reinforcing olefinic resin fiber consists of flat yarn or monofilament yarn of an olefinic resin modified by an ethylenic unsaturated silane compound.
Patent JP-2002264002-A (JP)
Title: Work cutting device and work cutting method
Inventor: SAKAI KANEHITO
IPC: B24B27/06
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a work cutting device capable of suppressing unevenness of assembling accuracy caused by a foreign matter adhering to a contact face between a cutter blade and a spacer when reassembling the work cutting device. SOLUTION: This cutting device has the rotary blades 2, 4, 6; and the spacers 3, 5 fixed to the rotary blades 2, 4, 6 with the spacers 3, 5 contacted with the rotary blades 2, 4, 6, having grooves 3a, 5a for storing the foreign matter formed in faces contacting with the rotary blades 2, 4, 6.
Patent JP-2002271121-A (JP)
Title: Method for mounting antenna device
Inventor: SUHARA NAOKI
IPC: H01Q5/10
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To adjust the resonance frequency or radiation pattern of this antenna device, and to facilitate coping to a plurality of frequencies. SOLUTION: In this method for mounting a chip antenna device 100 for transmitting and receiving of radio waves, a chip antenna device 100 equipped with an electrode 7 and an electrode 13 drawn out from the specific position of a loop antenna-shaped conductor 3 is preliminarily prepared; the chip antenna device 100 is mounted on a mounting position 54 of a wiring board 50 having a wiring pattern 52; and then the wiring pattern 52 is selectively connected to the electrode 7 and the electrode 13 according to the use frequency of the device 100. Thus, it is possible to adjust the resonance frequency or radiation pattern of the device 100, according to the use frequency of the device 100 and to facilitate countermeasures to a plurality of frequencies.
Patent JP-2002266068-A (JP)
Title: High-reflection and low-resistance thin film and sputtering target for deposition of the same
Inventor: TAKAHASHI YUKI
IPC: C22C5/06
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To prepare a high-reflection and low-resistance thin film which is useful as a reflection film, reflection electrodes, electrode, wiring, or the like, of a flat panel display(FPD), has high reflectivity, is stable, is low in electric resistance and is, in addition, excellent in film adhesion property and durability as well and a sputtering target usable for deposition of this thin film. SOLUTION: The high-reflection and low-resistance thin film is the film for forming the electrode, wiring, reflection film or reflection electrode of the FPD and is substantially formed of a ternary alloy of Ag-Ru-Au, in which the average reflectivity in a visible light region when the film thickness is 280 nm is >=88%, the difference in the magnitude of the reflectivity is within 10% and the electric resistivity is <=14 μΩcm.
Patent JP-2002274899-A (JP)
Title: Coal ash-containing composition and method for constructing roadbed of road using the same composition
Inventor: SAITO SUNAO
IPC: C04B18/08
Filed: 2001-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a roadbed material of a road utilizing coal ash being a by-product produced in the process of the operation of a pressure fluidized bed type thermoelectric power station and to provide an operation method using the same material. SOLUTION: The coal ash-containing composition is obtained by blending water of an amount in the range of the optimum moisture ratio-5% to the optimum moisture ratio + 10% into coal ash containing, by weight, 25 to 55% SiO2 , 8 to 15% Al2 O3 , 1 to 6.5% Fe2 O3 , 10 to 35% CaO and 2 to 8% SO3 as the main components, and having a Blaine value of 2,000 to 8,000 cm<2> /g. In the construction method for the roadbed of a road, the same composition is scattered on a road with heavy machinery and is compacted.
Patent JP-2002268408-A (JP)
Title: Image forming device
Inventor: KASAI TADASHI
IPC: G03G15/16
Filed: 2001-03-14
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of setting the volume resistivity and the surface resistivity of a transfercarrying belt within a certain extent as for the transfer/carrying belt using rubber as base materials. SOLUTION: The image forming device is provided with the transfer belt 6 for carrying a transfer paper to a drum type photoreceptor 3, transferring toner from the photoreceptor 3 to the transfer paper by an electrical field, and then, carrying the transfer paper while electrostatically attracting the transfer paper. The volume resistivity Rvol of the transfer belt 6 is within the extent of 10<8> to 10<11> Ω, and the relation between the volume resistivity Rvol and the surface resistivity ρsurf of the inside layer satisfies (ρsurf )<=7E+20(Rvol )<-1.1> . The surface resistivity of the surface layer of the transfer belt 6 is 10<9> to 10<11> Ω.
Patent JP-2002272123-A (JP)
Title: High-frequency power supply
Inventor: SHIMIZU TOSHIHISA
IPC: H05B41/24
Filed: 2001-03-14
Abstract: PROBLEM TO BE SOLVED: To reduce a gate drive power and switching loss by lowering a switching frequency of an inverter and thereby greatly improving the conversion efficiency, in comparison with the linear amplifying system of the prior art. SOLUTION: This high-frequency power supply includes a voltage type half- bridge inverter and a distributed-constant line in the power transmission end side, while an LC parallel resonance circuit is included in the power receiving end side. The distributed-constant line has a structure that only the tertiary harmonic elements of the operation frequency of the voltage type half-bridge inverter are subjected to the immittance conversion. Here, the characteristic impedance of the LC parallel resonance circuit in the power receiving end side is set to make maximal the impedance, corresponding to the basic waveform element of the inverter operation at the impedance of the power transmitting end side of the distributed-constant line. Accordingly, the third harmonic elements are extracted from the inverter to obtain harmonic power, by executing the immittance conversion only to the triple frequency element of the operation frequency of the inverter.
Patent JP-2002264254-A (JP)
Title: Coated metal sheet with superb heat shielding properties and manufacturing method therefor
Inventor: TAOMOTO TOSHIE
IPC: B05D7/24
Filed: 2001-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a coated metal sheet with a heat shielding performance improved by lowering a near infrared absorption factor. SOLUTION: This coated metal sheet comprises ceramic particles 1 with a particle diameter of 0.07 to 0.9 μm uniformly dispersed in a coating film 2, the particle diameter of a particle agglomerate being limited to 1.2 μm or less. The ceramic particle 1 is of titanium oxide, magnesium oxide, zinc oxide, alumina or the like. Further, in addition to the ceramic particles 1, a pigment with a near infrared absorption factor of 70% or less may be uniformly dispersed in the coating film 2. This coated metal sheet is manufactured by first treating the ceramic particles 1 with an inorganic film or coupling the ceramic particles 1, then uniformly dispersing the ceramic particles 1 in a coating material resin and applying the obtained coating material to an original sheet to be coated to form the coating film 2.
Patent JP-2002272901-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F5/04
Filed: 2001-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a player with an opportunity to know an internal state even during a normal game period. SOLUTION: In this game machine such as a slot machine, when a player operates a stop switch in a normal game to stop a rotating reel, which results in the display of a specific small role symbol 'watermelon, watermelon, and watermelon' in a lateral line in a middle stage as shown in (A), for instance, an information flag is turned on inside the game machine. Within a range of frequency indicated by the upper limit value in the following normal game onward, when it turns out a state arrangeable in a small role symbol, a small role symbol 28a is displayed for information on a liquid crystal display 28 as shown in (B), for instance. With this information, the player can know the symbol to be arranged and concentrate on pressing.  When the player presses successfully and a small role symbol 'blue 7, watermelon, and watermelon' is displayed in a lateral line in the middle stage as shown in (C), for instance, the corresponding number of medals are paid out.
Patent JP-2002275661-A (JP)
Title: Method for manufacturing metal foil mesh
Inventor: YOKOYAMA SHIGEYUKI
IPC: H05K9/00
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a method by which a single metal foil mesh having both of excellent light transmitting property and shielding property against electromagnetic waves can be manufactured in easy processes without contaminating the manufacture line of coater, laminator, or the like, even when the metal foil is a metal-plated foil. SOLUTION: A photoresist layers 2 is formed on both surfaces of a metal foil 1, and on photoresist layer 2 is exposed into a specified mesh patter, while the other photoresist layer 2 is wholly exposed to form a developed resist part 4. The part 5 not developed in the photoresist layer is removed, and the metal foil 1 corresponding to the removed part is etched. Then the developed resist parts 4 on both surfaces of the metal foil 1 is removed concurrently so as to produce a metal foil mesh signal body 1.