baber/WOPTO huggingface dataset:
Patent JP-2001225475-A (JP)
Title: Liquid ejection head, its manufacturing method, and liquid ejector
Inventor: KUBOTA MASAHIKO
IPC: B41J2/14
Filed: 2000-02-15
Abstract: PROBLEM TO BE SOLVED: To enhance ejection power and ejection frequency simultaneously by a nozzle structure employing a novel valve function. SOLUTION: A channel side wall 10 and a top plate part 2 are laid on an Si substrate 12 and a liquid channel 3 is formed between the Si substrate 12 and the top plate part 2. A liquid supply opening 5 opening to the liquid channel 3 is formed in the Si substrate 12. An ejection opening 7 opening to one end part of the liquid channel 3 and a heating part 4 for bubbling liquid in the liquid channel 3 are formed in the top plate part 2. A cantilever movable member 8 having a fulcrum 8A on one end side of the liquid channel 3 and a free end 8B on the other end side is provided in the liquid channel 3 in correspondence with the heating part 4 through a gap α with respect to the Si substrate 12. Projection area of the Si substrate 12 to the movable member 8 is larger than the area of the liquid supply opening 5 in the Si substrate 12.
Patent JP-2001229577-A (JP)
Title: Optical recording medium
Inventor: SUZUKI AKIRA
IPC: G11B7/24091
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To obtain high recording density and to stably and surely record and reproduce. SOLUTION: A land part 6 and a groove part 7 are formed along the recording track on the face of a disk substrate 2 where first and second signal recording layers 3, 4 are to be formed. The land part 6 is formed wider than the groove part 7. Recording and reproducing is carried out at the position of the land part 6 and the groove part 7 along the recording track.
Patent JP-2001228861-A (JP)
Title: Pedal mechanism of player piano
Inventor: HONDA HISAMITSU
IPC: G10F1/02
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To improve the durability of various kinds of the parts related to pedal mechanism of an player piano. SOLUTION: An elastic member 16 of the pedal mechanism 10 connects a pedal rod 12a and a plunger 13a by a support shaft part 16a, longitudinally oscillatably supports the pedal rod 12a, connects a pedal rod 12c and a plunger 13c by the support shaft parts 16c and longitudinally oscillatably supports the pedal rod 12c, thereby connecting both the pedal rods 16a and 16c. While this elastic member 16 permits the vertical movement of the respective pedal rods 12a and 12c, the member resets the pedal rods 12a and 12c together with the plungers 13a and 13c to their original states when either of the pedal rods 12a and 12c rotates axially together with the plungers 13a and 13c.  Thus, even if the piano is used for many years, the pedal rods 12a and 12c and the plungers 13a and 13c are held at their initial attitudes at all times, and the support shaft parts 16a and 16c which play the role of the conventional spring pins are also held at their initial attitudes at all times.
Patent JP-2001227991-A (JP)
Title: Casing structure of measuring device
Inventor: TOMIYAMA KAZUHIKO
IPC: G01R1/04
Filed: 2000-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a casing structure of a measuring device stably supplying power to power supply points in a printed circuit board without interposing a lead wire even if the casing has a curvature or a dimensional error. SOLUTION: In this structure, a case part 11 on one side has female screw parts 14 facing and coinciding with through holes 17 corresponding to a pair of the power supply points 16 each having the through hole 17 bored in the printed circuit board 15, while a case part 21 on the other side is projectingly provided with a pair of boss parts 23 in the counter parts to the power supply points 16 each having a screw insertion hole 26 penetrating from a the external face 22b of a face abutment part 22 to its tip side, interposed with an electroconductive compression coil spring 27 having projected top parts 27a. The case part 21 also has a battery fixed part 28 freely disposed with a battery B having one electrode connected to one side of the coil spring 27 and the other electrode connected to the other side.  A screw material 31 is screwed into the female part 14 from the screw insertion hole 26 to integrate the power supply point 16 and the coil spring 27 with contacting the power supply point 16 with the coil spring 27.
Patent JP-2001224680-A (JP)
Title: Blood cleaning membrane
Inventor: MOCHIZUKI AKIRA
IPC: B01D71/10
Filed: 2000-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a blood cleaning membrane for the artificial kidney having high water-permeability, high fractional characteristics and excellent blood compatibility at the same time obtained by applying a membrane of a hydrophobic polymer to the surface of a cellulosic or polyvinyl alcohol type blood cleaning membrane. SOLUTION: A blood cleaning membrane is obtained by polymerizing a hydrophobic low-molecular compound on the surface of a blood cleaning membrane based on a polymer having a hydroxyl group by chemical vapor deposition to fix the formed hydrophobic polymer to the surface of the membrane and has an ultrafiltration speed of water of 5 ml/m2.hr.mmHg or more. The thickness of the hydrophobic polymer laminated by chemical vapor deposition is 5-1,000 nm.
Patent JP-2001224664-A (JP)
Title: Preparation tub agitator for preparation machine
Inventor: TAN SEIICHI
IPC: A61J3/00
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To disperse a concentrated load on an agitation blade supporting shaft and prevent a fine powder from occurring in an agitator for a preparation machine to prepare an injection preparation. SOLUTION: By making the collar and the bush for supporting agitation blades pivoted to the supporting shaft of an agitator of ceramics, and providing a cemented carbide lining in the end of the pivot or the end and the periphery of the pivot, and contacting slidably the flat surfaces of the cemented carbide lining of the end of the pivot and the ceramic bush, problems are solved.
Patent JP-2001230060-A (JP)
Title: Resistance element
Inventor: SAWAMURA KENTARO
IPC: H05B3/14
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a resistance element that can be used for a long time at an environment of high temperature and gives little fluctuation of resistance value even if used repeatedly in a circumstance of rising and falling temperature from room temperature to hot temperature or in reverse way and that has an excellent durability to tolerate oxidization at a high temperature. SOLUTION: The resistance element device comprises a resistance element body composed of a ceramics containing β-SIALON as expressed in formula; Si6-z Alz Oz N8-z (wherein z=0.3-1.0) and at least an internal conductor embedded in the above resistance element body. The above inner conductor contains tungsten and carbon, and is composed of a conductive material having an atomic ratio of carbon to tungsten of 0.4-1.1 and an insulating material, and has a volumetric ratio of the insulating material to the conductive material of 0.25-1.5.
Patent JP-2001235779-A (JP)
Title: Automatic curtain speed adjusting device for focal plane shutter
Inventor: TANABE YOSHIAKI
IPC: G03B9/36
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To suppress the deterioration of an exposure state caused by the fluctuation of the traveling speed of front and rear curtains for a focal plane shutter to the minimum. SOLUTION: The device is provided with detecting means 16 and 19 for detecting information on the traveling speed of the front curtain 2 and information on the traveling speed of the rear curtain 3, and curtain speed adjusting means 33 and 40 for adjusting the traveling speed of the front curtain and/or rear curtain based on the information detected by the detecting means.
Patent JP-2000348678-A (JP)
Title: Metal halide lamp and discharge lamp lighting device
Inventor: SAKAI KAZUHIKO
IPC: H01J17/16
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a metal halide lamp having little color dispersion of a luminescent color when a lamp is lighted even if a power supply voltage is fluctuated, an output from a stabilizer is varied or nonuniform lamp is produced in a lamp manufacturing stage. SOLUTION: An arc tube 1 is stored in an outer tube 3 provided with a base 10 at its one end part. The arc tube 1 is formed in a cylindrical shape by silica glass and the like, and several kinds of metal halide (mainly halogenated sodium and halogenated scandium) and startup gas are sealed in it. A heat insulating film 14 of zirconium oxide and the like is formed on each outer surface of both end parts of the arc tube 1 so as to cover the periphery of the electrode sealing part 11 and an electrode 2. Each of the outer tube 3, the heat insulating film 14 and a sleeve 12 forms a means of maintaining the coldest spot temperature to maintain the coldest spot temperature of the arc tube 1 at 550 deg.C or more when this lamp is lighted at a lamp power equivalent to 50% of its rated lamp power.
Patent JP-2001233715-A (JP)
Title: Herbicide composition
Inventor: MITO NOBUAKI
IPC: A01N25/14
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a herbicide having more enhance herbicidal activity, a wider herbicidal spectrum without inducing a chemical injury on crop plants. SOLUTION: This herbicide composition includes, as an active ingredient, 2-chloro-4-fluoro-5-(4-methyl-5-trifluoromethyl-3-pyridazinone-2-yl) phenoxy acetate and sodium 2,6-bis[(4,6-dimethoxypyrimidine-2-yl)oxy]benzoate.
Patent JP-2001237299-A (JP)
Title: Positioning device
Inventor: YOSHIMURA KENICHI
IPC: H01L21/027
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized positioning device which assists in assembling a fine device, and can constitute 6 shafts by 4 modules. SOLUTION: This positioning device is constituted by a first stage 13 to a fourth stage 43 modularized. There are provided a first stage 13 movable in an X-axis direction on a base 11; a second stage 23 movable in a Y-axis direction on the first stage 13; a third stage 33 rotatable around a Z axis on the second stage 23; and a fourth stage 43 movable in the Z-axis direction and rotatable around the X-axis and Y-axis directions on the third stage 33. These positions of the first stage 13 and fourth stage 43 are detected by a position detecting means, and a first drive means 14 to a fourth drive means are appropriately operated depending on the results, thereby controlling the positions of the first stage 13 to fourth stage 43.
Patent JP-2001236000-A (JP)
Title: Exhaust heat rack, and image forming device equipped with this rack
Inventor: AWAYA TETSUO
IPC: G03G21/20
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To improve the discharge of heat of a supported device. SOLUTION: An exhaust heat rack 203 is equipped with an upper tray 4 for supporting a first device 1, a lower tray 6 having element 14 inside for supporting a second device 2 having discharge ports 2a and 2b for discharging air heated by the heating element to the outside, and struts 225 and 226 for connecting and supporting the upper tray and the lower tray. The struts are formed in the shape of pipe, and have inlets 225a, 225b, 226a and 226b into which heated discharged air can flow from the discharge ports, and outlets 225c and 226c located more upwards than the inlets, and thus act as exhaust ducts.
Patent JP-2001238119-A (JP)
Title: Electronic camera and remote control system therefor
Inventor: HISAYOSHI HIROKAZU
IPC: H04W12/06
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide an electronic camera provided with a communication function that can prevent unauthorized remote control by a third person, and to provide a remote control system of the electronic camera. SOLUTION: The system is composed of an electronic camera set which can remotely be controlled and a personal computer(PC) 72 provided with remote control software capable of dealing with an electronic camera body 1. The remote control software has various remote control functions of the electronic camera main body 1. The PC 72 being a remote control source transmits identification information peculiar to the electronic camera body 1 prior to the concrete camera remote control processing of a photographing operation. The electronic camera body 1 judges whether the transmitted identification information is matched with the peculiar identification information held by camera body 1. When the identification information from the PC 72 is not matched with the identification information of the electronic camera body 1, the electronic camera main body 1 refuses remote control form the PC 72.
Patent JP-2001234299-A (JP)
Title: Chromium-containing steel excellent in corrosion resistance, and its manufacturing method
Inventor: KANEKO MICHIRO
IPC: C22C38/00
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a low-cost chromium-containing steel having excellent corrosion resistance under a relatively mild corrosive environment of <=0.01 mdd sticking quantity of sea salt, and its manufacturing method. SOLUTION: The chromium-containing steel, excellent in corrosion resistance under the environment having <=0.01 mdd sticking quantity of sea salt, contains 8-15 mass % Cr and has, on its surface, an oxide scale and a chromium-deficient region of <5 μm thick existing under the oxide scale and having chromium content lower by <5% than the amount of chromium in the steel. This steel can be manufactured by performing hot rolling at 800-980 deg.C final finishing temperature, holding the steel without delay at 650-750 deg.C for 0.5-2 h, and then cooling it.
Patent JP-2001234888-A (JP)
Title: Blower
Inventor: TANIGUCHI MASAMI
IPC: F04D29/66
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a blower of low noise manufacture at a low cost because of being mass-producible. SOLUTION: A taper is formed on the inner diameter side of a blade 4 so as to lengthen the chord length of a main plate 5, and a plurality of depth of cutouts 1 are formed with the tapered edge having a draft angle.
Patent JP-2001235446-A (JP)
Title: Residual chlorine meter
Inventor: NAGAMATSU TAKASHI
IPC: C02F1/00
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a miniaturized residual chlorine meter. SOLUTION: The residual chlorine meter is provided with a measuring cell provided with a feed water inlet 18 making sample water 22 flow at least on measurement, and a drain outlet 19 draining the sample water 22, a comparison electrode 17 arranged in the measuring cell 20, a flat plate-like detection electrode 16, a means for applying voltage between the detection electrode and the comparison electrode, and a means for detecting current flowing between the detection electrode and the comparison electrode. The residual chlorine meter is formed of a structure without using the sealed wiring, the motor and the glass beads of the conventional residual chlorine meter.
Patent JP-2000312553-A (JP)
Title: Method for sanitarily maintaining sandbox
Inventor: WATANABE YUICHI
IPC: A01M29/30
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for sanitarily maintaining a sandbox by covering the sandbox with a sheet in good workability, when not used. SOLUTION: This method for sanitarily maintaining a sandbox comprises disposing a means 3 for winding up a sheet 1 at one end of the sandbox 2, pulling out the sheet 1 from the winding means 3 and then fixing the pulled sheet 1 to cover the surface of the sandbox 2. Wires 5a can be attached to both the sides of the sheet 1 to stably wind up or pull out the sheet. When the sand 8 of the sandbox 2 is filled on a carbon layer 7, the sandbox can more sanitarily be maintained.
Patent JP-2001239083-A (JP)
Title: Sewing method, sewing article, method of manufacturing child protective clothes and child protective clothes
Inventor: SASAME ATSUSHI
IPC: A41D13/00
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To make sewing threads hard to be frayed, and to increase sewing strength. SOLUTION: This sewing method has a superposed sewing process of sewing in a new sewing thread 61 by generating frictional heat between the new sewing thread and an already sewn-in sewing thread 60, and can fuse at least a part of both. Thus, this sewing article by applying this sewing method is hardly frayed since the mutual sewing threads 60, 61 are fused, and can obtain high sewing strength to be thereby suitably applied to an optional sewing place of child protective clothes particularly requiring the high sewing strength in safety.
Patent JP-2001251342-A (JP)
Title: Packet receiver
Inventor: HAYAKAWA SHINJI
IPC: H04L49/9023
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a packet receiver that can enhance sound quality in the case of insertion of a correction packet. SOLUTION: The packet receiver detects whether or not each communication packet is normally received in time series on the basis of an identifier given to each communication packet containing valid voice data by a transmitter side, and decides whether or not a prescribed correction packet not containing valid voice data is to be inserted to a received communication packet series. The packet receiver is provided with a communication packet size detection means that checks a size of a communication packet being that of the received communication packet and a correction packet insertion means that selects at least a size smaller than that of the communication packet as the size of the correction packet when the size of the communication packet exceeds a threshold value of the communication packet size set to the packet insertion means.
Patent JP-2001245525-A (JP)
Title: Sieve case structure for threshing equipment
Inventor: HIRATA SUSUMU
IPC: A01F12/32
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a sieve case structure designed to more effectively improving the sorting efficiency or accuracy through making a simple improvement on a counterweight. SOLUTION: This sieve case structure has such a scheme that, an aperture- controllable chaff sieve 17 is furnished with an aperture control spring 31 functioning to elastically urging the group of chaff lip plates 17A toward closing- side so as to change the aperture of the chaff sieve 17 according to the weight of a to-be-treated object thereon, the chaff lip plates 17A are furnished with a counterweight 35 functioning to hinder the own weight swing of the chaff lip plates 17A accompanying the swing of a sieve case 6, the counterweight 35 is designed so as to align nearly in a straight line the respective junctions P5 to the chaff lip plates 17A, support P4 and center of gravity P6 thereof,  and the resultant straight line L is set to be in an inclined posture nearly along the swing locus K of a support arm 5 swingably supporting the front portion of the sieve case 6 when the aperture of the chaff sieve 17 is large.
Patent JP-2001249978-A (JP)
Title: Electronic commercial transaction system
Inventor: OKAMURA EIJI
IPC: G06Q20/12
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a highly convenient electronic commercial transaction system capable of not only processing just a single electronic commercial transaction but also collectively providing new electronic commercial transaction service regarding charge account settlement, article working and physical distribution working, etc., accompanying one electronic commercial transaction. SOLUTION: This system is provided with a first electronic commercial transaction system 11 for handling ordering/order receiving and a second electronic commercial transaction system 12 for providing transactions regarding processings derivatively generated by the ordering/order receiving handled in the first electronic commercial transaction system 11. Then, by the reception of ordering/order receiving information transmitted from the first electronic commercial transaction system 11, the second electronic commercial transaction system 12 is activated. At least one of the first electronic commercial transaction system 11 and the second commercial transaction system 12 provides competing type transactions.
Patent JP-2001258207-A (JP)
Title: Geared motor
Inventor: SHIINA YUTAKA
IPC: H02K7/116
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To reduce the size and weight of an orthogonal geared motor. SOLUTION: A hypoid pinion 6 directly connected with a motor shaft 5 and a hypoid gear 10 fixed to an output shaft 9 arranged perpendicularly to the motor shaft 5 are maintained in the state of engagement. Rotation of the motor 1 is transferred to an output shaft 9 by only a pair of hypoid gears, and rotation of high torque can be outputted.
Patent JP-2001254003-A (JP)
Title: Metathesis polymerizable resin composition and electric or electronic part using the same
Inventor: AOKI TOMOAKI
IPC: C08L65/00
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a metathesis polymerizable resin composition containing a reduced amount of impurity ions and furthermore moldable without influences of additives, or oxygen or water in the air, and to provide an electric or electronic part using the same. SOLUTION: The metathesis polymerizable resin composition comprises (A) a metathesis polymerization catalyst, (B) one or more metathesis polymerizable cycloolefinic compounds and (C) an ion trapping agent. The electric or electronic part is obtained by molding the metathesis polymerizable resin composition.
Patent JP-2001256204-A (JP)
Title: Multi-dimensional crossbar network and parallel computer system
Inventor: SAEKI YUJI
IPC: H04L12/70
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To increase the number of connectable nodes concerning the multi- dimensional crossbar network of a distributed Exchanger system and a parallel computer system. SOLUTION: Concerning the three-dimensional crossbar network of distributed Exchanger system for connecting LMN pieces of arithmetic units, an interface converting LSI 32 provided with an optical module 33 is interposed between an X-axis crossbar switch 21 and a Y-axis crossbar switch 31, packet transfer to a Z-axis crossbar switch 41 is performed by the interface converting LSI, and an optical fiber 300 is applied to a packet transfer path between the Y-axis and Z-axis crossbar switches.
Patent JP-2001262332-A (JP)
Title: Sputtering target assembly
Inventor: SUGIYAMA AKIRA
IPC: C04B35/64
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a sputtering target assembly in which a target material formed so as to control constituting phases and porosity and free from cracking is joined with a backing plate via an insert material. SOLUTION: Metallic elements composing a target material are homogeneously mixed by a mechanical alloying method, this powdery mixture is subjected to molding by controlling temperature and pressure while introducing suitable porosity to produce a formed body free from cracking, and the obtained formed body and a backing plate are joined via an insert material by an electric heating means under pressure to produce a sputtering target assembly.
Patent JP-2000279609-A (JP)
Title: Circuit board box for game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a circuit board box of a game machine which hinders an internally covered circuit board from illegal processing. SOLUTION: A plurality of components as a box body 51 and a box body 60 are assembled to build a circuit board box 50. On the other hand, during the assembling, a fastening means comprising a retaining suspension piece 66 and a retaining protrusion 57 is provided and to take out an internally covered game control circuit board 70, only one way is cutting a part protruding out to the circuit board box 50 of the retaining suspension piece 66 as part of the cover body 60.