baber/WOPTO huggingface dataset:
Patent JP-2001225154-A (JP)
Title: Continuous casting method for steel and continuously cast slab
Inventor: SASAI KATSUHIRO
IPC: B22D11/115
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a continuous casting method for steel which is capable of making both of the coarse granular crystals near a center and the coarse columnar crystals enclosing the same to fine equiaxial crystals and a continuously cast slab having the fine solidified structure cast by using the same. SOLUTION: This continuous casting method for steel comprises blowing gaseous Mg into the molten steel in a tundish nozzle by using a continuous casting device having an induction electromagnetic stirring device between the meniscus within a casting mold and 10 mm below the casting mold and casting the molten metal while swirling the molten steel within a horizontal plane by the induction electromagnetic stirring device. The concentration of Al is preferably confined to <=0.05% and the concentration of Mg to 0.0002 to 0.01% and the swirling velocity of flow of the molten metal by the induction electromagnetic stirring to 30 to 100 cm/s.
Patent JP-2001228726-A (JP)
Title: Image forming device
Inventor: CHIBA ERIKO
IPC: G03G15/20
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device with which many kinds of paper and OHP sheets can be used as a material to be recorded, and a good fixing characteristic is obtained also in the case of using any material to be recorded by regulating the critical surface tension of the material to be recorded, such as copying paper, and adjusting it in the image forming device. SOLUTION: In the image forming device for transferring and fixing a toner image T formed on a photoreceptor 1 and then transferred on an intermediate transfer body 2 to copying paper S, a means (for example, an application roller) 5 is provided for applying a surface tension adjustment material on the surface of the copying paper S so that the critical surface tension on the surface of the copying paper becomes higher than the critical surface tension of a toner before transferring the toner image T to the copying paper S. Thereby the fitness for the toner becomes good by the surface tension adjustment material applied on the surface of copying paper, and the fixing characteristic becomes good also in copying paper having low critical surface tension or the like.
Patent JP-2001232620-A (JP)
Title: Method for manufacturing concrete tube
Inventor: NAGAOKA SEIICHI
IPC: B28B21/04
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a concrete tube having high productivity even without using a centrifugal molding machine or a vibrating pressure molding machine and without bringing about insufficient packing. SOLUTION: The method for manufacturing the concrete tube comprises the steps of preparing a highly flowing concrete mixed with an accelerator of an amount in which a solidification starting time becomes 1 to 3 hours, casting the concrete in a form, and molding the concrete tube.
Patent JP-2001234599-A (JP)
Title: Fire resisting insulation plate
Inventor: MATSUGISHI SHOGO
IPC: E04B1/94
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a fire resisting insulation plate material superior in heat insulation and fire resistance. SOLUTION: In the fire resisting insulation plate material, the upper face, the lower face, the right and left vertical faces, the surface and the rear face of a core material 3 using urethane foam 2 are covered by a calcium silicate plate 4, each calcium silicate plate 4 is covered by a metal plate 5, and the upper face, the lower face and the right and left vertical faces are flat faces.
Patent JP-2001238112-A (JP)
Title: Imaging apparatus, information recorder, these control method and storage medium
Inventor: SAGA YOSHIHIRO
IPC: H04N5/907
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To prevent the erasing of data when a cable is fallen off. SOLUTION: A system control circuit 22 checks the connection of an external recording device 12 and a battery 44 at every prescribed time. When the preservation destination of a photographed image is set in the external recording device 12, the system control circuit 22 can access the external recording device 12 after the exposure of an image pickup part 20 and checks whether remaining capacity is sufficient or not. When it is sufficient, the photographed image is recorded in the external recording device 12. When any device is defective, the recording of data to the external recording device 12 is stopped and data is recorded in the buffer area of a memory card 32. When the external recording device 12 can be recorded, data in the buffer area is moved to the external recording device 12.
Patent JP-2001239392-A (JP)
Title: Lead-free solder, solder junction and it's jointing method using the same
Inventor: OZAWA TAKUO
IPC: B23K31/02
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide lead free solder which, including no lead responsible for environmental problem, has excellent wet-ability, improves joint reliability, and which can use conventional process. SOLUTION: The lead free solder is composed with Zn 0.1-2.5 wt.%, Bi 3-10 wt.%, In 3-12 wt.%, and residual Sn.
Patent JP-2001243732-A (JP)
Title: Floppy disk drive
Inventor: SATO MASAKI
IPC: G11B21/10
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide a floppy disk drive which is inexpensive and is capable of performing mass recording by controlling the driving current of a stepping motor without using servo control in order to increase the track density of the floppy disk drive. SOLUTION: A recording and reproducing head 1 recording or reproducing data on/from a floppy disk, the stepping motor 10 moving the recording and reproducing head over the track of the floppy disk, a motor driver 11 driving the stepping motor by current caused to flow to each coil of an A phase and a B phase and a driving current switching circuit 12 switching current quantity caused to flow to each coil of the A and B phases are included, and when reproduced data read from the recording and reproducing head have an error, the recording and reproducing head is subjected to a microstepping operation by changing a current quantity balances between the A and B phases to improve the reading characteristic of the recording and reproducing head.
Patent JP-2001239905-A (JP)
Title: Air bag device
Inventor: HASHIMOTO SHUZO
IPC: B60R21/16
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To optimally exhibit the cushioning action to an occupant regardless of a posture of the occupant. SOLUTION: This air bag device has an inflator 24 and an air bag 22 to which gas is supplied from the inflator, and has the air bag 22 having a first chamber 36, an upper chamber 28 communicated with and connected to the first chamber by an air vent 38 defined by an air bag member 32 for the upper chamber and a lower chamber 30 communicated with and connected to the first chamber by an air vent 40 defined by an air bag member 34 for the lower chamber. The first chamber 36 is positioned between the upper chamber 28 and the lower chamber 30. The, gas is supplied to the first chamber 36 from the inflator 24. The gas is respectively supplied to the upper chamber 28 and the lower chamber 30 via the air vents 38, 40 from the first chamber 36 to inflate these chambers.  A supply quantity of gas to the upper chamber 28 and the lower chamber 30 is automatically adjusted by the relationship of pressure in the respective chambers.
Patent JP-2001248892-A (JP)
Title: Bathroom clothes drying, heating and ventilating system
Inventor: NAKAMURA MINEKO
IPC: F24F13/15
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To solve a problem of a conventional bathroom clothes drying, heating and ventilating system that radiation of heat is limited in radiating direction or deteriorated in radiation rate by wind guides provided at an opening, which guides are required to be doglegged for discharging warm wind in a specified direction when it is radiated from the opening, because they are fixed. SOLUTION: The wind guides are designed to be turnable around shafts installed on a frame provided on the opening so that the warm wind can be discharged and heat can be radiated in a same direction by changing the arrangement of the wind guides depending on cases where the warm wind is discharged and where the heat radiates.
Patent JP-2001251118-A (JP)
Title: Portable radio equipment
Inventor: ITO AKIRA
IPC: H01Q9/04
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide portable radio equipment capable of reducing the area inside a case and improving antenna characteristics even using a built-in antenna such as a planar antenna. SOLUTION: A circuit board 4 is arranged inside an upper case 1 and a lower case 2 of a housing, and a planar antenna 3 is mounted on the circuit board 4. The antenna 3 is subjected to power feeding and also has an antenna size (area) of a resonance frequency higher than the frequency of transmission and reception. A non-powered element 5 is attached to the outside face of the case 1 made to face the antenna 3. The element 5 is formed by using conductive material in an area larger than that of the antenna 3.
Patent JP-2001256501-A (JP)
Title: Personal identification system
Inventor: KOJIMA YOSHIHIRO
IPC: G06K7/10
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a personal identification system which reads both a two-dimensional code where personal identification information is stored and a picture capable of identifying a person to be identified only by one personal identification device and collates read results with each other to identify the person. SOLUTION: The personal identification device comprises a picture input means which inputs the two-dimensional code and picture data capable of identifying the person, a two-dimensional code read means which reads the two-dimensional code, a personal identification information detection means which detects personal identification information, and a collation means which collates data obtained from the two-dimensional code read means and personal identification information obtained from the personal identification information detection means with each other. The picture input means, the two-dimensional code read means, the personal identification information detection means, and the collation means are integrally constituted.
Patent JP-2001257842-A (JP)
Title: Image scanning apparatus
Inventor: SUNAZAKI TOMOHIRO
IPC: G03B27/50
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To optimize the quantity of light, specially, when an image is scanned in an image scanning apparatus. SOLUTION: Line sensors 7A and 7B are provided in parallel to the direction A of horizontal scanning lines of the image reader while shifted from each other so that their read areas have their one-end sides overlapping with those of the other lines sensors 7B and 7A in the direction A of the horizontal scanning line and separated at a specific distance in the direction B of vertical scanning lines. One or plural lamps 1A and 1B are so provided that their areas where an effective quantity of light is obtained are substantially along the direction which crosses the direction A of the horizontal scanning lines and where the line sensors 7A and 7B are shifted.
Patent JP-2000211905-A (JP)
Title: Production of aqueous solution of free hydroxylamine
Inventor: BANSHO KUMIKO
IPC: C01C1/24
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a process for the production of an aqueous solution of free hydroxylamine by reacting a separated sulfate with an alkali to convert the crude sulfate into a sulfate free from ammonia and nitrogen atom, recovering expensive ammonia and recycling and effectively utilizing the recovered ammonia to the reaction system. SOLUTION: The objective process comprises the reaction of an aqueous solution or slurry containing hydroxylammonium sulfate with a gas composed mainly of ammonia, the mixing of the produced aqueous solution or slurry with a liquid composed mainly of a lower alcohol and the separation of the precipitated sulfate containing ammonium sulfate to obtain an aqueous solution of free hydroxylamine. In the above process, the separated sulfate is mixed with an alkali to generate water-containing gaseous ammonia and the generated ammonia is recycled to the reaction system.
Patent JP-2001258760-A (JP)
Title: Burning apparatus
Inventor: SATO KEIICHI
IPC: F24C3/02
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a burning apparatus cannot heat a heating chamber in a sufficiently uniform manner. SOLUTION: A negative electrode is arranged in parallel with a lower burner 13 on the center of a set of the lower burner 13 and a flame is regulated to be directed to the center of a cooking chamber 30 by applying a electric field on the lower burner 13 by applying a direct current on the negative electrode 17 from a direct high voltage source 16. Forming the negative electrode in a cylindrical shape and the tip of it in a spherical form to fix a concentration position of the field on the tip of the negative electrode 17 when a voltage is applied and supplying the flame between the electrode part except the tip and the lower burner with the stable electric field provides the burning apparatus in which the cooking chamber 30 is uniformly heated.
Patent JP-2001260913-A (JP)
Title: Rotary valve
Inventor: KAMIMURA FUTOSHI
IPC: B62D5/083
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that in an existing servo valve, characteristics are almost the same in either case of the steering of a steering wheel and the returning of the steering wheel, resulting in small hysteresis width, and in existing assist characteristics, power assist force is largely decreased in a moment of the returning of the steering wheel, and a car is quickly steered by following the decrease of the power assist force, resulting in insufficient feeling in steering stability of a driver. SOLUTION: The opening area of one emission hole of plural emission holes is made different from those of other emission holes opposing in at least the diameter direction.
Patent JP-2001268005-A (JP)
Title: Wireless communication system in airport, wireless communication controller in airport, group controller and integrated management unit
Inventor: KATSUYAMA YASUHIRO
IPC: H04L29/08
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a wireless communication system in an airport that can effectively utilize all frequency bands and conduct inter-group communication. SOLUTION: When a wireless terminal 1 makes a connection request to another wireless terminal 1, a transmission/reception controller 2 in charge of a group to which the wireless terminal 1 of the request source belongs receives this request and discriminates whether or not the setting of a communication link on request is possible on the basis of various sets of management information. When the setting of a communication link on request is possible, the transmission reception controller 2 selects an optional idle communication channel and assigns it respectively to the wireless terminal 1 of the request source and the wireless terminal 1 of the connection destination to set the communication link between both terminals via the communication channel.
Patent JP-2001268812-A (JP)
Title: Portable electric equipment with built-in battery
Inventor: AMEZUTSUMI TORU
IPC: H01M10/46
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To miniaturize and make light portable electric equipment and to reduce its costs by reducing dead space being created at both a case and a battery pack. SOLUTION: The portable electric equipment with a built-in battery is provided with a case 1, a battery pack 2 built in the case 1, and an I/O connector 3 that is exposed to the outside of the case 1 and has a charge terminal 7. The I/O connector 3 is exposed to the inside of the case 1, and has a connection terminal 6 in contact with a battery terminal 5 of the battery pack 2 that is built in the case 1. The portable electric equipment incorporates the battery terminal 5 of the battery pack 2 built in the case 1 while being in direct contact with the connection terminal 6 of the I/O connector 3.
Patent JP-2001266981-A (JP)
Title: Connection retaining means
Inventor: ISHIKAWA YASUHIRO
IPC: H01R4/48
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To facilitate a wiring work of a minituarized equipment and to make them still thinner and lighter. SOLUTION: A connection retaining member 1 consists of a connection retaining main body 5 what has an open hole 3 inside, a tabular memory card 7 that is attached to the connection retaining main body 5 at liberty to insert or release and a flexible printing board 9 that is attached to the connection retaining main body 5 at liberty to be on or off. A connecting terminal 23 is installed inside the open hole 3. At one end of the connecting terminal 23 is installed an memory side second terminal 23 that electrically connects to a memory side first terminal 1 installed at a tip of the memory card 7. At the other end is installed a printed board side second terminal 23b that electrically connects to a conductor exposed at a.
Patent JP-2001279521-A (JP)
Title: Deformed multifilament yarn package for yarn dividing and method for producing the same
Inventor: ODAJIMA ATSUSHI
IPC: D01D7/00
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a direct spinning and drawing process for a deformed multifilament yarn for yarn dividing capable of providing a drum-like package having excellent yarn dividing free from defects such as end breakage in spinning caused by unevenness of adhesion of spinning oil, dyeing speck, etc., by rationalizing the flow rate of a fluid when a yarn is treated with the fluid at the entrance of heated rollers after oiling in direct spinning and drawing of a deformed multifilament yarn for yarn dividing. SOLUTION: This method for producing a deformed multifilament yarn for yarn dividing comprises oiling the yarn of a multifilament yarn package for yarn dividing having a deformed cross-sectional shape of single filament by the direct spinning and drawing method in such a way that a load tension applied to a stylus by an entanglement method is <=0.20 CN/dtex per unit fineness and subjecting the yarn to a fluid treatment at the entrance of the heated roller.
Patent JP-2001274685-A (JP)
Title: Selecting circuit, d/a converter and a/d converter
Inventor: NAGATA MITSURU
IPC: H03M1/06
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To perform conversion with high precision without increasing hardware. SOLUTION: A pair of internal signals A01, A11 and A02, A12 is generated, which are provided with a value obtained by halving a value where the lowest- order bit LSB of a three-bit and quinary input signal is neglected. When an input signal is an odd-numbered value, one is added to the pair of internal signals A01, A11 and A02, A12 and they are adopted as first and second signals MSB1, LSB1 and MSB2, LSB2. 'One' is alternately added to the pair of internal signals A01, A11 and A02, A12 whenever the odd-numbered value input signal is inputted. A signal processing circuit 11a selects output terminals among the output terminals OUT1 and OUT2, whose number corresponds to the values of the first signals MSB1 and LSB1, to make the selection probability equal. A signal processing circuit 11b performs selection in the same way.
Patent JP-2001273662-A (JP)
Title: Slider for optical head, its manufacturing method and optical disk device
Inventor: KOJIMA NAOTO
IPC: G11B7/22
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To improve image forming characteristics by not generating a large aberration to light used in recording/reproducing and also to suitably perform recording/reproducing of signals by not generating a large deformation to a head supporting member. SOLUTION: A protruded part 17 which protrudes in the side of a catadioptric lens 13 is provided in the part on which light L used in recording/reproducing of a lens supporting member 11 makes incident. The lens supporting member 11 is positioned with the catadioptric lens 13 so that the protruded part 17 faces an aperture part 16 provided in the catadioptric lens 13, and both are joined by an optical adhesive 12. At this time, the thickness of the film of the optical adhesive 12 between the aperture part 16 of the catadioptric lens 13 being the part which light L transmits and the protruded part 17 of the lens supporting member 11 is set to be small by exerting pressurizing force along the optical axis of the catadioptric lens 13.
Patent JP-2001285996-A (JP)
Title: Ultrasonic probe
Inventor: FUKASE KOICHI
IPC: A61B8/00
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To improve the performance and quality of an ultrasonic probe. SOLUTION: An electric terminal (5) for signals composed of a conductor material (6) electrically connected with a piezoelectric element (1) and an insulator (7) is provided between the piezoelectric element (1) and a back surface load material (2) and the thickness of the insulator of the electric terminal for signals is turned to the thickness of 1/25 wavelength or less at a part facing the ultrasonic wave radiation surface of the piezoelectric element. The transmission/reception sensitivity of this ultrasonic probe is improved and also excellent frequency characteristics are attained. Thus, the resolution and sensitivity of the images of an ultrasonic diagnostic device are improved.  Also, even when the piezoelectric element is broken by a mechanical impact from the outside, since electric connection is maintained, the ultrasonic probe of stable quality which hardly breaks down is realized.
Patent JP-2001280122-A (JP)
Title: Black smoke purifier for diesel engine
Inventor: SAGAWA NORIYUKI
IPC: F01N3/02
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To automatically execute the operation for burning carbon collected by a filter in idling operation. SOLUTION: This black smoke purifier comprises a filter housing 4 mounted in an exhaust pipe 2 of a diesel engine 1, a heat-resisting filter 5 mounted in the housing 4 for collecting black smoke, a heater 6 mounted on a front part of the filter 5 in the housing 4 for heating the filter, exhaust gas temperature detecting sensors 11, 12, a controller 14 for driving the heater for a specific time when the detected temperatures of the sensors 11, 12 are lower than a predetermined temperature, and a setting means 15 for setting the operation switching timing of the controller 14.
Patent JP-2001275770-A (JP)
Title: Equipment for height adjustment of object to be adjusted
Inventor: OKADA HIDETOSHI
IPC: F25D23/00
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide an equipment for height adjustment for legs placed on the bottom of an object requiring height adjustment with which adjustment is made easily in a short period of time. SOLUTION: Hexagonal head bolts which consist of screw parts 11 and hexagonal heads 13 are placed on the bottom of a refrigerator as legs. These hexagonal head bolts are inserted, while screwed, on the bottom of the refrigerator through screws 11 as they are adjustable in height. The first special tool 14 is provided with a handling pole 18 of a certain length found at an end of the device body 16 lengthwise. A notch 16b, which allows the screw 11 to come off from the direction of the diameter, is made on the device body 16. A part 20 for engaging with a notch 20a, which can fasten and release the hexagonal head 13, is provided under the device body 16. If the first special tool 14 is turned around normally and reversely while the hexagonal head 13 is engaged with the notch 20a, the height is adjusted as the legs 10 turn around.