baber/WOPTO huggingface dataset:
Patent JP-2003055057-A (JP)
Title: Method of manufacturing carbon fiber reinforced carbon material
Inventor: TANAKA YOSHIKAZU
IPC: C04B35/83
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a high quality carbon fiber reinforced carbon material (C/C) inexpensively and in a short time without necessitating repetition of an impregnation process for densification in the manufacturing method of the C/C. SOLUTION: The carbon fiber reinforced carbon material is manufactured by mixing carbon fiber chop having 2 to 30 mm length with a filler material prepared from one of or the combination of pitch, coke and carbon fine powder along with a resin and a solvent, drying and pulverizing the resultant dry mixture into <=10 mm, molding and firing at 10-50 deg.C/hr temperature rising rate in a temperature ranging from 400 deg.C to 600 deg.C under an inert atmosphere.
Patent JP-2003063061-A (JP)
Title: Image forming device
Inventor: TOYOIZUMI KIYOTO
IPC: B41J2/44
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of detecting a highly accurate writing position timing with a simple configuration, even when using a differential light amount of laser for the gradation of an image density. SOLUTION: There are provided a plurality of laser light sources 1aa to 1bb which are constituted like a matrix in a main scanning direction and a sub scanning direction with a VCSEL, and also constituted so that their emission quantities in the main scanning direction are different while those in the sub scanning direction are the same. Laser beam spots emitted from the plurality of the laser light sources 1aa, 1bb is detected by two photo acceptance units arranged in parallel in a direction of movement of the main scanning before the laser beam spots are scanned in the main scanning direction.  Output levels of the two photo acceptance units are compared with each other, and when the output levels become identical, a reference timing signal showing that each spot has reached a reference position is outputted, thereby writing actions of the plurality of the laser light sources in the main scanning direction are synchronized.
Patent JP-2003069439-A (JP)
Title: Reception module and receiver using the module
Inventor: TOCHIGI MAKOTO
IPC: H04B1/18
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a reception module that can relieve a load of a third-order distortion characteristic in a low noise amplifier circuit and a frequency mixer circuit and can reduce current consumption, and to provide a receiver using the module. SOLUTION: The reception module 10 of the receiver 40 includes a multi- layered board 20. The multi-layered board 20 includes many dielectric layers 22. A coil electrode 24 and a capacitor electrode 26 of an LC filter 16 are formed among the dielectric layers 22. A surface acoustic wave filter 12 is provided to an upper side of the multi-layered board 20. A micro monolithic IC (MMIC) 34 having functions of the low noise amplifier circuit 14 and the frequency mixer circuit 18 is provided into a cavity 32 at the bottom of the multi-layered board 20.
Patent JP-2003062882-A (JP)
Title: Mold clamping mechanism of injection molding machine
Inventor: JINNO SHIZUO
IPC: B29C45/68
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a mold clamping mechanism of an injection molding machine which dispenses with the laying of piping with a large caliber for reducing the fluid resistance of a working fluid inside/outside a device, and does not require a large space for the installation of piping with its simplification. SOLUTION: A movable platen 12 is moved forward/backward by a mold opening/closing device 20 under a guidance by a tie rod and equipped with a mold clamping device 30 having a mold clamping cylinder device 50 comprising a means 40 fixed by engaging it with the tie rod at a specified position in the axial direction and a piston 51 for pressing the movable platen 12. The mold clamping device 30 is equipped with a working fluid reservoir 80 which realizes the inflow/outflow of the working fluid following the change of a piston position of the mold clamping cylinder device 50.
Patent JP-2003067926-A (JP)
Title: Optical disk device
Inventor: TAKEDA NAOTO
IPC: G11B7/126
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To secure the margin of recording power in a recording-capable optical disk device. SOLUTION: The controlling part 24 of the optical disk device optimizes the recording power by an OPC. When test data are recorded by the OPC, recording conditions are intentionally deteriorated. For example, the test data are recorded to an optical disk 10 tilted in a prescribed amount, and the tilt is returned to zero to reproduce the test data, and then the jitter and error rate of a reproducing signal are measured. Based on the assumption that when varieties in the jitter and error rate are large, the recording margin is small, and when the varieties are small, the recording margin is large, the recording power of large recording margin is selected to be the optimum recording power.
Patent JP-2003065190-A (JP)
Title: Recoil starter of engine
Inventor: UENOYAMA KAZUYUKI
IPC: F02N3/02
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To prevent a rapid increase in pulling force of a pull rope of a recoil starter in an engine compression stroke in starting an engine by the recoil starter, to smooth the pulling force of the rope, and to increase a start number of revolutions of the engine to facilitate an engine start by assisting the pulling force by spring force of a power spring accumulated previously and an auxiliary cam when exceeding the compression stroke. SOLUTION: A pull rope reel and a crankshaft of the engine are engaged by a second ratchet mechanism capable of releasing engagement by centrifugal force, a wire is wound around an eccentric grooved cam integrated with an intermediate shaft cylinder linked to the pull rope reel by a first ratchet, the wire is pulled in one direction by a tension spring, and the wire and the tension spring make the eccentric grooved cam apply torque in a direction reduces a peak of fluctuation torque of a crank of the engine.
Patent JP-2003063899-A (JP)
Title: Method for producing iii-v group compound semiconductor
Inventor: OKU YASUNARI
IPC: C30B29/40
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a III-V group compound semiconductor having good crystallinity. SOLUTION: The method for producing the III-V group compound semiconductor includes sequentially a first process for placing a substrate 2 composed of an n-type or a p-type III-V group compound semiconductor on a support 1 in a reactor 101, a second process for increasing the temperature of the support to a crystal-growing temperature, and a third process for growing the n-type or the p-type III-V group compound semiconductor on the substrate through an organic metal vapor phase growth method. In the second process, the raw material gas 11 for the V group element of the III-V group compound semiconductor which constitutes the substrate, and the raw material gas for dopant which has same conductivity as the substrate are simultaneously introduced into the reactor 101.
Patent JP-2003077380-A (JP)
Title: Electromagnetic relay
Inventor: KARIYA YUICHI
IPC: H01H50/04
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic relay with fewer production man-hour and taking small floor space while securing a necessary pitch between terminals. SOLUTION: The electromagnetic relay has an electromagnet block 30 with coil terminals 40, 45 fitted each to pedestal parts 35a, 35b of a spool 32 with a coil wound round fitted to a box-shape base 10 from above and has terminal parts 43, 48 of the coil terminals 40, 45 each protruded from the rear face of the box-shaped base 10. Among others, protruded parts 36a, 36b of the spool 32 are exposed in insertion coupling with insertion-coupling notched parts 14a, 14b formed on a side wall of the base 10.
Patent JP-2003078749-A (JP)
Title: Noise generating device, noise generating method and computer-readable recording medium
Inventor: NAKAMURA HIROTAKA
IPC: H04N5/21
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a noise generating device, a noise generating method, and a computer-readable recording medium for executing the noise generating method that can easily generate a noise matrix having a plurality of different spatial frequency characteristics. SOLUTION: The noise generating method includes a step S1 of dividing a frequency band corresponding to a desired frequency characteristic into a plurality of bands, a step S2 of setting a phase on the basis of a random number to each division band, a step S3 of setting a power spectrum of each band and generating a noise matrix from the phase on the basis of the set power spectrum and the random number, a step S4 of discriminating whether or not processing is finished for all elements of the noise matrix, a step S5 of normalizing the noise matrix when the processing is finished and a step S6 of adjusting the value of the elements so that each element of the normalized noise matrix has a desired strength.
Patent JP-2003074377-A (JP)
Title: Fuel injection timing device
Inventor: IWANAGA WATARU
IPC: F02D1/16
Filed: 2001-09-04
Abstract: PROBLEM TO BE SOLVED: To reduce an axial dimension of a fuel injection timing device, and to stabilize an advancing/retarding operation by regulating displacement pins in symmetric positions with respect to the rotation center of the device. SOLUTION: Radial opening displacements of the displacement pins 10.10 are transmitted, in order, to large eccentric cams 6.6, small eccentric cams 8.8, eccentric pivots 12.12 and a follower rotary plate 4 to angularly displace the follower rotary plate 4 relatively to an interlocking rotary plate 3. A cylindrical shaft 2 is integrated with the interlocking rotary plate 3, and the cylindrical shaft 2 is mounted, for relative rotation, with a pin guide plate 25 for regulating the pair of displacement pins 10.10 in symmetric positions with respect to the rotation center thereof, and an actuator holding plate 27 for holding a temperature-sensitive actuator 20. The temperature-sensitive actuator 20 relatively rotates the pin guide plate 25 to an advance side at a cold start-up and to a retard side at a warm operation.
Patent JP-2003077935-A (JP)
Title: Method for manufacturing semiconductor device
Inventor: TAKASU YASUO
IPC: H01L29/43
Filed: 2001-09-04
Abstract: PROBLEM TO BE SOLVED: To control a size of a gate electrode layer in processing and to control a regions of impurity diffusion layers (= a source region, a drain region) in a heat treatment step in particular when having a LDD structure as a gate length shortens with a MOS transistor made fine. SOLUTION: The impurities 110 are introduced into a silicon substrate 101 using a silicon nitride film pattern 107 and a polycrystal silicon film pattern 108 as a mask, a high concentration impurity diffusion layers of an N type (N<+> type diffusion layers 111, 112) are formed at positions of a source region and a drain region of the MOS transistor. Next, by using chemical dry etching (CDE) method or the like, the polycrystal silicon film pattern 108 is isotropic etched from both sides direction and thus the gate electrode layer 115 is formed. Next, by using the gate electrode layer 115 as a mask, the impurity is introduced and thus a low concentration impurity diffusion layer of an N type is formed.
Patent JP-2003087376-A (JP)
Title: Mobile phone
Inventor: YOKOFUJITA MITSUMASA
IPC: H04W88/02
Filed: 2001-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a mobile phone without impairing compactness in which a user can photograph any object while confirming an image of the object on a display device and the quality of the photographed image can be sufficiently ensured even in a place where the illuminance of the object is insufficient. SOLUTION: The main body of the mobile phone comprises an upper first case and a lower second case 2, and one-side ends of the cases 1, 2 are turnably hinged with a hinge 4. The display device 5 is placed in the middle in front of the first case 1, an opening recessed part 10 opened in front is formed at the upper end of the case 1 and a turning case 3 pivotally supported by a horizontal shaft 11 and turned toward the first case 1 is contained in the opening recessed part 10. A speaker 9 is placed in the front side among turning direction faces of the turning case 3 and a camera 20 and a strobe 30 are placed on the rear side. Then by turning the turning case 3, the camera 20 and the strobe 30 are selectively positioned on the front side or the rear side of the main body.
Patent JP-2003083598-A (JP)
Title: Method of manufacturing duct
Inventor: IKUTA HARUKI
IPC: F24F13/02
Filed: 2001-09-07
Abstract: PROBLEM TO BE SOLVED: To reduce the manufacturing cost of a connecting duct having a main body section and a frame section (clamping case). SOLUTION: The main body section of this connecting duct is formed by heating a foamed PP sheet W. While the main body section is formed, the preformed frame section 132 is bonded to the main body section with an adhesive (primer) applied to the frame section 132 by utilizing the heating heat. Consequently, the frame section 132 can be bonded simultaneously to the main body section at the time of forming the main body section. Therefore, the manufacturing cost of the connecting duct can be reduced, because the manufacturing man-hour of the duct can be reduced.
Patent JP-2003085313-A (JP)
Title: Vehicle rescue communication system
Inventor: UEDA TOMOHIRO
IPC: G06Q50/10
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle rescue communication technology-requesting rescue to a repairer approaching a current location of a vehicle in a vehicle trouble and sending diagnosis of the trouble and an estimated cost to a user and the repairer. SOLUTION: This system sends a rescue requesting signal from the troubled vehicle to the vehicle repairer, sends conditions of the trouble and the current location of the vehicle at same time, sends a rescue requesting signal to the vehicle repairer approaching the above, location and performs diagnosis of the trouble and estimation of repair cost.
Patent JP-2003083169-A (JP)
Title: Propulsion fuel charging method for tank of flight body
Inventor: NEMOTO KEIICHI
IPC: B64G1/40
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a propulsion fuel charging method for a tank of a flight body capable of remarkably shortening a charging time of the propulsion fuel, and remarkably improving the charging workability. SOLUTION: An upper central part of an upper tank body 3a is provided with a propulsion fuel discharging port 7, and a lower central part of a lower tank body 3b is provided with a pressurized fluid charging port 8. A space surrounded by a bladder film 5 mounted in the tank bodies 3a, 3b and an inner face 3x of the upper tank body 3a is used as a propulsion fuel storage chamber 9, and a space surrounded by the bladder film 5 and an inner face 3y of the lower tank body 3b is used as a pressure chamber 10. A vacuum pump 16 is connected to the discharging port 7 through the piping 11, a two-way solenoid selector valve 12, the piping 13, a three-way solenoid selector valve 14 and the piping 15, and a two-way solenoid selector valve 17 is mounted on the way of the piping 15 through the piping 18 to release the pressure in the propulsion fuel storage chamber 9.
Patent JP-2003080687-A (JP)
Title: Method and apparatus for manufacturing electronic part
Inventor: TAKAYAMA TOSHIJI
IPC: C09D11/00
Filed: 2001-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an electronic part by which small characters and sings can be marked and an apparatus for manufacturing the electronic part. SOLUTION: A process is provided in which an ink 2 with an adjusted viscosity is discharged from an orifice 7 of an ink-jet head 5 and is applied on an article to be printed, and the applied ink 2 is partly or wholly cured before the ink 2 is started to run. The curing means is e.g. photo-irradiation when the ink 2 is photo-curable. In addition, the viscosity adjusting means is e.g. heating of the ink 2 by means of a heating element.
Patent JP-2003080594-A (JP)
Title: Manufacturing method of biaxially oriented aromatic polyamide film
Inventor: NISHIHARA KENTA
IPC: B29L7/00
Filed: 2001-09-13
Abstract: PROBLEM TO BE SOLVED: To obtain a biaxially oriented aromatic polyamide film excellent in characteristics such as tensile strength, dimensional stability and surface nondefective properties and to provide a manufacturing method which prevents cutting of the aromatic polyamide film in a process of orientation thereof and can improve productivity, by using a method of simultaneous biaxial orientation adopting a specified percentage of content of a solvent and a specified draw ratio by area. SOLUTION: A polymeric sheet of which the content of the solvent is less than 5 wt.% and which contains an aromatic polyamide is oriented continuously in the longitudinal and width directions simultaneously, with a draw ratio by area of 1.5-4.5.
Patent JP-2003088373-A (JP)
Title: Caffeine synthase and gene for cording the synthase
Inventor: MIZUNO MISAKO
IPC: C12P17/12
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polypeptide having enzymatic activity of a caffeine synthase, capable of effectively producing the caffeine synthase useful as an enzyme for industry, food or medical care, and to provide a method for producing secondary metabolites of plants, capable of effectively producing caffeine-based metabolite compounds by changing caffeine- biosynthesizing metabolism in caffeine-producing plants, plant tissues thereof or plant cells thereof, and capable of changing a generation ratio of a group of the compounds by changing the metabolism in the plants, the plant tissues or the plant cells. SOLUTION: This polypeptide has a specific amino acid sequence derived from Camellia irrawodiensis (refer to the specification) and the enzymatic activity of the caffeine synthase. A DNA and a RNA which code the polypeptide are provided in the specification, respectively. The caffeine synthase is produced by using microorganisms, plant bodies or cultured cells which are transformed by a vector containing the whole or a part of the DNA or the RNA. The caffeine synthase is controlled in its representation by an antisense RNA. Thus, caffeine contents in the plants are changed, and the caffeine synthase is produced.
Patent JP-2003090059-A (JP)
Title: Mechanism for regulating oscillation of offset boom
Inventor: SUGAWARA SAKAE
IPC: E02F3/32
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To facilitate the attachment/detachment of a regulating member for regulating horizontal oscillation of an offset boom. SOLUTION: The first boom 22 is coupled to a machine body in a vertically oscillatable manner; one end of the second boom 23 is coupled to the first boom 22 in a horizontally oscillatable manner; the third boom 24 is coupled to the other end of the second boom 23 in a horizontally oscillatable manner; respective ends of an offset link 30 are coupled turnably to the first bracket 26, which protrudes sideward from the first boom 22, and the second bracket 27 which protrudes sideward from the third boom 24; an offset cylinder 33, which oscillates and drives the second boom 23, is provided between the first boom 22 and a midway part of the second boom 23; and the regulating member 35 for regulating the oscillation of the second boom 23 is provided in a range to the side of the third boom 24 from a coupling part 40 between the offset cylinder 33 and the second boom 23.
Patent JP-2003090940-A (JP)
Title: Structure and method for reinforcing optical fiber
Inventor: MIYAGAWA ICHIRO
IPC: C03C25/10
Filed: 2001-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a structure and a method for reinforcing an optical fiber which make the optical fiber hard to break at low cost with the simple structure. SOLUTION: The optical fiber 14 connected to an LD light source 10 and a connector part 12 is covered in a slackened state with a heat-shrinkable tube 18 having a cut 20. Then the tube 18 is heated to thermally shrink. Consequently, the tube 18 thermally shrinks wavily, so the optical fiber 14 is held in a waving state along the tube 18. Then even if the optical fiber 14 is tensed accidentally during its use and the tube 18 extends, the optical fiber 14 can become longer by margin length, thereby avoiding breaking the core of the optical fiber 14.
Patent JP-2003089364-A (JP)
Title: Traveling device
Inventor: MISAWA RINTARO
IPC: A01B75/00
Filed: 2001-09-17
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a width of a wheel rim becomes broad in a wheel type and a structure is complex in a semi-crawler type. SOLUTION: The traveling device is provided with a rotation driving body 7; a rotation driven body 8; and an endless band wound on both bodies 7, 8 and is constituted to circulate the endless band 9 in a band longitudinal direction and to deceleratingly rotate the rotation driven body 8 by a rotation driving force of the rotation driving body 7. Lugs 11 are arranged on an outer periphery of the endless band 9 with an interval in a band longitudinal direction and the device is towed to travel by the projected lugs 11 on a ground-contact side of the endless band 9 where this endless band 9 is wound on the rotation driven body 8.
Patent JP-2003101545-A (JP)
Title: Method for controlling access to lan from wireless lan terminal, wireless lan base station apparatus and wireless lan terminal apparatus
Inventor: IKETANI SEIICHIRO
IPC: H04L12/28
Filed: 2001-09-19
Abstract: PROBLEM TO BE SOLVED: To provide a method for controlling access to a LAN from a wireless LAN terminal, a wireless LAN base station apparatus and a wireless LAN terminal apparatus enabling the wireless LAN terminal apparatus to access wirelessly to the LAN without threatening security of resources in the LAN. SOLUTION: A method comprises a step in which a base station detects a wireless LAN terminal entering within the range of electric waves emitted from the wireless base station itself, and obtains authentication information from a wireless tag given to the wireless LAN terminal, a step to check the obtained authentication information against authentication information registered in the wireless base station or in an authentication device connected with the wireless base station, and determine if the wireless LAN terminal is allowed to access one of a plurality of wireless LANs, and a step to transmit configuration information of the plurality of wireless LANs registered in the wireless base station, or obtained from the external device connected to the wireless base station to the wireless LAN terminal in accordance with the decision result.