baber/WOPTO huggingface dataset:
Patent JP-H07158950-A (JP)
Title: Square cylindrical spiral duct structure, using method for same structure and manufacture of same structure
Inventor: KUROKAWA TAKASHI
IPC: F24F13/02
Filed: 1993-12-08
Abstract: PURPOSE:To form a square cylindrical spiral duct structure and to facilitate use by spirally winding stretchable thin platelike metal materials, caulking side edges adjacently in contact with one another to be connected and forming it in a square cylindrical section. CONSTITUTION:A plurality of thin platelike metal materials are spirally wound, caulked at side edges adjacent in contact with one another of the materials to be connected, and formed in a square cylindrical section to form a square cylindrical structure made of a plurality of the materials. The caulked parts are sealed and s$ connected as to maintain its sealability. Then, it is cut in a desired length by a plasma cutter for use. A large quantity of air can be supplied as compared with that of a round cylindrical spiral duct structure, and execution under a roof, a corner, etc., can be facilitated.
Patent JP-2000172098-A (JP)
Title: Fixing device
Inventor: KINOUCHI SATOSHI
IPC: G03G15/20
Filed: 1998-12-03
Abstract: PROBLEM TO BE SOLVED: To make heat generating efficiency of a device possible to be improved while effectively utilizing the feeding power by providing specific relation between the range from a periphery of a heating means on an assumed plane and the minimum range between two centers of gravity located on this surface. SOLUTION: An induction heating device 9, composed of a exciting coil 10 is housed in a heating roller 2. The region sectional plane of the coil is shown by hatched parts, respective center points of the current flowing in one direction (to serve as gravity center of area) are respectively located at position (a) and (b). The shortest range from the center position (a) and (b) to the heating roller 2 is respectively assumed as (t). This is respectively the length in the normal line direction that connects center points (a) and (b), and the heating roller 2. Moreover, the length of circulars (a) and (b) that is respectively allowed to pass through center points (a) and (b) from the circle center same as the heating roller 2 is assumed as L.  In order to efficiently heat the roller by adopting an empty core coil, the relation between (t) and L is made as shown by the next formula, 2×(t)<=L, and moreover the coil is arranged as follow, 3×(t)<=L, in order to make heat generating efficiency for instance beyond 90%.
Patent JP-H07176152-A (JP)
Title: Magnetic disk device
Inventor: YAGI NORIO
IPC: G11B5/54
Filed: 1993-12-17
Abstract: PURPOSE:To lock an actuator by effectively utilizing torque as to a magnetic disk device constituted so that the actuator thereof is automatically retreated to a prescribed position. CONSTITUTION:This device is provided with the retreat mechanism of the actuator constituted so that a magnet 19 provided on the actuator 6 is provided in a space between the magnetic circuits of fixed yoke members 20 and 21. Besides, it is provided with a stopper member 15 setting the stopper position of the rotary actuator 6 at a position where the torque by the yoke members 20 and 21 and the magnet 19 becomes the maximum. Then, a pair of upper and lower fixed yoke members 20 and 21 is set so that they are not mechanically connected. Besides, the yoke members 20 and 21 are provided between a second area 20-2 and a first area 20-1 and provided with a third area 20-3 having larger gap width than that of the second area 20-2.
Patent JP-2001160858-A (JP)
Title: Communication system and communication method
Inventor: OKADA REIKO
IPC: H04W72/04
Filed: 1999-12-03
Abstract: PROBLEM TO BE SOLVED: To obtain a communication system and a communication method that can be flexible to increase/decrease in number of participants and effectively utilize a frequency bad without causing quality deterioration in communication data such as sound quality deterioration. SOLUTION: In the communication system of this invention, a plurality of communication terminals conducts group communication connected to a server via a wireless communication channel. The server is provided with a communication data synthesis means that synthesizes a plurality of received communication data, a bandwidth management means that reserves a bandwidth of a wireless communication channel in response to number of communication terminals taking part in the group communication, and a server side transmission means that transmits the synthesized communication data to each communication terminal taking part in the group communication by means of the bandwidth.  Each communication terminal is provided with a communication terminal side transmission means that transmits the communication data to the server, a communication terminal side reception means that receives the synthesized communication data from the server, and a reproduction means that reproduces the synthesized communication data.
Patent JP-H06194265-A (JP)
Title: Apparatus for measuring reflection attenuation of optical connecter
Inventor: KOBAYASHI MASARU
IPC: G02B6/00
Filed: 1992-12-24
Abstract: PURPOSE:To measure a reflection attenuation quantity in a short time by utilizing a speaker as a driving source for expanding or contracting a fiber. CONSTITUTION:An optical fiber 11 to be expanded or contracted is fixed to an optical fiber fixing section 13 at two positions by means of a bonding agent 14 by leaving a part in the specific length, e.g. about 70cm. The part of specific length of the optical fiber 11 is strained in parallel by means of a circular optical fiber support member 12. A vibration section of a speaker 15 is fixed to the optical fiber fixing section 13. The speaker 15 is driven by an oscillator 16 with a voltage having a saw-tooth-wave or a triangle wave. Therefore, the optical fiber 11 is expanded or contracted by means of the speaker 15 and the length of the optical fiber which is expanded or contracted is twice the amplitude of the speaker 15. The speaker 15 may have a rated input of about 10 W and the oscillator 16 may have a maximum output of about 10 VX1 A so that it is possible to generate well enough a strain force of 1 N. Thus, it is possible to measure a reflection attenuation quantity in a short time.
Patent JP-H06195821-A (JP)
Title: Magnetic tape guide roller
Inventor: HIROSE KAZUO
IPC: G11B15/60
Filed: 1992-12-24
Abstract: PURPOSE:To enhance the traveling reliability by fitting a roller for guiding a magnetic tape in its traveling to an outer circumference of a supporting pin to become the magnetic tape guide roller and constituting the roller out of resin components consisting of polyethylene resin and a prescribed amt. of silicone oil without a functional group. CONSTITUTION:The roller 2 in a cylindrical shape is freely rotatably or integrally fitted to the outer circumference of the supporting pin 1, and flanges 3 are provided on both end parts of this roller to make the guide roller. In such constitution, if the roller 2 is freely rotatably supported by the pin 1, the roller is rotated in accordance with the tape traveling, and if the roller 2 is integrally fixed to the pin 1, the tape is brought into slide contact with the outer circumference of this roller. In this constitution, the roller 2 is composed of the resin components consisting of polyethylene resin and 0.5-20wt.% of silicone oil without a functional group. Thus, no variation of a friction coefft. takes place even when a temp. is changed, and stabilization is acquired for a long time without making a void and a crack.
Patent JP-2001159473-A (JP)
Title: Electrically operated flow control valve
Inventor: UMEZAWA HITOSHI
IPC: F16K27/00
Filed: 1999-12-03
Abstract: PROBLEM TO BE SOLVED: To provide an electrically operated flow control valve for use in a refrigerating cycle with ammonia as the cooling medium. SOLUTION: The electrically operated flow control valve 10' has a stainless valve body 11' and a closed case 31', both being bonded through abutment welding. In the closed case 31', a stainless sleeve 34 integrated with a magnet 39 is threaded to a stainless fixed guide 40. The sleeve 34 controls the opening of a flow passage spaced to a valve seat 12 by vertical movement of a valve stem 20.
Patent JP-H03206070-A (JP)
Title: Phenoxyalkyne carbamate derivative and herbicide containing same derivative
Inventor: TAKEMATSU TETSUO
IPC: C07C271/24
Filed: 1989-12-29
Abstract: NEW MATERIAL:A compound shown by formula I (R1 is aryl; R2 is H or lower alkyl; R3 and R4 are lower alkyl, aryl or nitrogen containing heterocycle). EXAMPLE:Phenoxy-2-butyne-N,N-diethylcarbamate. USE:A herbicide having extremely low phytotoxicity especially on gramineous crops and excellent herbicidal effects on cockspur-grass, bulrush, umbrella sedge, broad-leaved weeds, etc. PREPARATION:A phenoxy-2-butyn-1-ol shown by formula II is reacted with an N,N-diethylcarbamoyl chloride shown by formula II in a solvent such as TFH in the presence of a deoxidizer (e.g. sodium hydride) at -10 to 40 deg.C to give a compound shown by formula I.
Patent JP-H11172982-A (JP)
Title: Slide door latch device of slidf door type cabinet
Inventor: OCHIAI YOSHIJI
IPC: E05C3/14
Filed: 1997-12-15
Abstract: PROBLEM TO BE SOLVED: To unlock the constraint of a slide door of a slide door type cabinet in connection with a pulling operation for opening a slide door. SOLUTION: A slide door latch device 4 for slide door type cabinet 1 constrains a slide door to a cabinet main body through a latch installed on the slide door 3 moving in right and left directions rotatably about a vertical shaft 9 under closed state. The latch 7 comprises a locking piece 11 which has a locking claw 10 locked to a locking hole 6 provided in the cabinet main body 2 at its top end part and is directed in lateral direction and a manual hooking piece 12 which is directed in longitudinal direction and projected forward from the slide door 3. The locking claw 10 is energized rotatably so that it can be locked to the locking hole 6 by an elastic body 13.
Patent JP-H05175579-A (JP)
Title: Semiconductor laser driving circuit
Inventor: KUSANO AKIHISA
IPC: H01S5/042
Filed: 1991-12-26
Abstract: PURPOSE:To suppress an overshoot of a laser current without impairing a high speed of a laser current switching by providing a first filter connected in parallel with a semiconductor laser and separately a second filter connected to a first semiconductor laser. CONSTITUTION:Two filters 30, 31 are connected in parallel with a semiconductor laser 1. The filter 31 is formed of a resistor 14 and a capacitor 16, and the other is formed of a resistor 15 and a capacitor 17. Constants of the two filters 30, 31 are suitably decided to suppress a ringing without impairing a high speed of a laser current switching. A large effect can be performed particularly when stability of an optical output directly relates to that of a quality of a picture like a laser printer.
Patent JP-H09154800-A (JP)
Title: Drying device for meal providing equipment kind
Inventor: INOMATA MASATAKE
IPC: A47L15/24
Filed: 1995-12-07
Abstract: PROBLEM TO BE SOLVED: To shorten drying time by utilizing the heated air of a container drying equipment and performing preliminary drying in a heated air jetting area. SOLUTION: This drying device is provided with a washing device 1 for washing dish kinds while carrying them by a conveyor 5 and the drying device 4 for drying a container 16 for carrying containing the washed dish kinds by the forced ventilation of the heated air. A supply duct 27 for branching the heated air B from the forced ventilation means of the heated air of the drying device 4 to a part near the end of the conveyor 5 of the washing device 1 and performing the forced ventilation is piped and the heated air jetting area for jetting the heated air B to the carried dish kinds is provided near the end of the conveyor 5 of the washing device 1.
Patent JP-H05175247-A (JP)
Title: Manufacture of semiconductor device
Inventor: TAKAGI AKIO
IPC: H01L29/812
Filed: 1991-12-26
Abstract: PURPOSE:To prevent the generation of a closed cavity when viahole structure is formed, and prevent a metal film from blistering at the time of heating in the later process. CONSTITUTION:The title method consists of the following; a process for forming a metal film 5 on one main surface of a semiconductor substrate 1, a process for alloying the semiconductor substrate 1 with the metal film 5 by heat treatment, a process for forming a through hole 7 in which the metal film 5 is exposed, by selectively etching the semiconductor substrate 1 from the other main surface, and a process for filling the through hole 7 with metal 9.
Patent JP-2000172467-A (JP)
Title: Network system and server device used for same, terminal device, printer, network printing method, and recording medium
Inventor: WANDA KOICHIRO
IPC: H04L12/54
Filed: 1998-12-04
Abstract: PROBLEM TO BE SOLVED: To enable a computer to securely confirm up to the normal end of printing of each piece of print data without making redundant the communication for data transfer. SOLUTION: A communication between the terminal device 100 and printer 110 is disconnected in the stage wherein print data have been transmitted from the terminal device 100 to the printer 110 and then the end of printing is confirm by communication between a server device 120 and the printer 110 to inform the terminal device 100 of the job end, thereby enabling the terminal device 100 to surely confirm up to the normal print end on the printer 110 without making redundant the data communication between the terminal device 100 and printer 110.
Patent JP-H05327605-A (JP)
Title: Moving-unit tracking system
Inventor: TERESA SHII WAI WAN
IPC: G08G1/09
Filed: 1992-12-01
Abstract: PURPOSE: To provide a tracing system in which communicating amounts necessary for maintaining valid position data are minimized. CONSTITUTION: A communication network 10 traces the position of a mobile unit 16 using it. The mobile unit decides the present position by using a signal transmitted from satellites 12 and 24 over the head by power-up, and then transmits a data communication message 80 indicating the position to the network. The network preserves the position, and returns a data message 90 indicating a boundary line 22 surrounding the position of the mobile unit. The mobile unit regularly and repeatedly judges the present position. Then, when the present position is outside the preliminarily normalized boundary line, another position data message 80 is transmitted to the network, the position data maintained by the network are updated, and the normalization of a new boundary line 22 is received.
Patent JP-H07177896-A (JP)
Title: Production of oxidized glutathione ascorbic acid-oxidizing enzyme
Inventor: SAITO SUSUMU
IPC: C12P21/00
Filed: 1993-12-22
Abstract: PURPOSE:To safely and easily produce an oxidized glutathione utilizable as a raw material for natural food or produce a yeast extract rich in oxidized glutathione. CONSTITUTION:A solution of reduced glutathione or a yeast extract solution containing reduced glutathione is incorporated with 0.05-0.2 times mol (based on the reduced glutathione) of ascorbic acid and an enzyme for oxidizing ascorbic acid and the mixture is stirred at pH 6 and room temperature for 6 hr. More than 90% of the reduced glutathione can be converted to oxidized glutathione by this process.
Patent JP-H09155500-A (JP)
Title: Lost foam pattern for casting and casting method using the same
Inventor: NAKAJIMA SEIZO
IPC: B29K105/04
Filed: 1995-12-07
Abstract: PROBLEM TO BE SOLVED: To obtain a pattern having excellent surface smoothness, etc., by using thermally expandable microspheres of a specific grain size including foaming agents and having shell components consisting of thermoplastic resins as a raw material for a lost foam pattern. SOLUTION: For example, a methyl methacrylate acrylonitrile copolymer is particularly important as the thermoplastic resin of the shell component of the thermally expandable microspheres a' which are the raw material for the pattern. The foaming agent includes hydrocarbons, etc. The weight average grain size of the microspheres a' is selected from a range of 1 to 200μm and the pattern having the optimum surface characteristics, hardness and strength is obtd. in this range. The fused molding of the microspheres is obtd. simply by packing the microspheres a' into metal molds and heating the molds in a suitable heating furnace. The fused molding is obtd. by the same system as the system described above after preexpanded bodies a" are formed by expanding the microspheres a' to a prescribed apparent density.  The method is capable of dealing with the intricate shapes of the patterns as well. The mixture of the microspheres a' and the preexpanded bodies a" may be handled in the same manner.
Patent JP-H11246528-A (JP)
Title: Nitrogen-containing aromatic compound and its salt
Inventor: KUBOYAMA NOBUHIRO
IPC: C07D239/48
Filed: 1998-12-04
Abstract: PROBLEM TO BE SOLVED: To obtain a novel aminopyrimidine-based derivative having excellent herbicidal activities. SOLUTION: This nitrogen-containing aromatic compound is a compound expressed by the formula Het-A-(CR2 R3 )n R4 [Het is a group expressed by formula I (Y<1> is N or a CR<1a> ; Y<2> is N or CR<2a> ; Y<3> is N, CR<3a> ; R<1a> to R<3a> are each H, a 1-6C alkyl or the like; R and Rf are each a 1-6C alkyl or the like) or a group expressed by formula II; A is NR1 (R1 is H, a 1-6C alkyl or the like); R2 and R3 are each H, a 1-6C alkyl or the like; R4 is a (substituted) phenyl or the like; (n) is 1-5], e.g. 4-(4'-chlorobenzyl amino)-2-methyl-6- trifluoromethylpyrimidine. The compound of the formula Het-A-(CR2 R3 )m R4 is obtained by reacting a compound of the formula Het-L (L is an eliminated group such as a halogen, an alkylthio, an alkylsulfone or the like) with a compound of the formula H-A-(CR2 R3 )n R4 , at need, in the presence of a base.
Patent JP-H10182041-A (JP)
Title: Elevator system
Inventor: MILLER WILLIAM T
IPC: B66B7/06
Filed: 1997-12-16
Abstract: PROBLEM TO BE SOLVED: To transmit a load, exerted on a traction machine, to a building structure by a method wherein the traction machine is arranged functionally individually from a guide mechanism and the traction machine is mounted on a beam extending through a pit. SOLUTION: A guide rail is a guide machine which is moved through an elevation shaft for a car 12, and a counterweight 18 forms a guide mechanism to be engaged with a counterweight guide rail 22 and effect movement through the elevation shaft. A contact surface is arranged on one leg of each guide rail. A beam pair 32 is extended through the elevation shaft at the sides, positioned facing each other, of cage frames 14. A traction machine 26 comprising an electric motor and traction sheave 42 is arranged at one of the beams 32 and fixed through a mounting plate by means of a fixing bolt. Through rotation of a motor, the traction sheave 42 is rotated and a rope 24 is driven. Thereby, a beam 52 transmits the load of the traction machine 26 and a load by intercommunication of the traction sheave 42 and the rope 24 directly to a bit 62.
Patent JP-H10167206-A (JP)
Title: Safety device of heat-seal in automatic packaging machine
Inventor: AIDA KUNIE
IPC: B65B9/12
Filed: 1996-12-11
Abstract: PROBLEM TO BE SOLVED: To easily adjust a sensor and securely fix a safety device and prevent it from bringing an adjustment deviation during use. SOLUTION: A photoelectric sensor 35 is fixed to a movable frame 13 and a light-emitting part and a light-receiving part are oppositely arranged in a vertically extending slit 36 provided in the photoelectric sensor 36 and a bracket is fixed to a fixed frame 12. A light shielding plate 43 which is guided by the guide hole of the bracket and the guide hole of the movable frame 13 and always urged downward by a spring, is provided. The light shielding plate 43 is arranged so as to be vertically movable in the slit 36 of the photoelectric sensor 36 and an opening is formed at a position where the light of the photoelectric sensor can be usually transmitted.  A stopper fitting to the bracket and prohibiting the downward movement of the light shielding plate 43 urged by the spring, is provided at the shielding plate 43 and the lower end of the light shielding plate 43 is arranged in a position where it comes into contact with the lower contact body almost simultaneously with the time when a pressing plate contacts the roller.
Patent JP-2000152719-A (JP)
Title: Bag body for greening and vegetation, and greening, vegetation and protection of face of slope of shallow water region
Inventor: YAHAGI TOMOYUKI
IPC: E02B3/08
Filed: 1998-11-19
Abstract: PROBLEM TO BE SOLVED: To obtain a bag body for greening and vegetation, capable of enabling the greening, vegetation and protection method of a slope of a shallow water region such as a stream and a lake for a dam by a comparatively easy equipment and method for construction, and further to provide the greening, vegetation and protection method by using the bag body. SOLUTION: A box-shaped main body 2 formed by a string body having a high strength such as a synthetic resin filament is charged and filled with a soil 28 having rhizomes of a hygrophyte, an emerging plant, etc., mixed therewith by a backhoe. A corrosion-resistant fiber mat 30 which includes seeds of a plant mixed therewith is installed on the upper layer thereof to provide the objective bag body for the greening and vegetation. The obtained bag body is aged until the rhizome and the seeds are germinated, and a prescribed growth degree is accomplished, and the aged bag body is arranged on the face of the slope of the shallow water region after previously finishing the ground maintenance by a crawler crane, etc.
Patent JP-H07180769-A (JP)
Title: Shift mechanism for transmission
Inventor: NAKANE MITSURU
IPC: F16H63/38
Filed: 1993-12-22
Abstract: PURPOSE:To improve shift feeling in the operating lever of an automobile and the like. CONSTITUTION:A shift mechanism for a transmission consists of a fork shaft 2 which is moved by an operating lever, a plurality of lock grooves, 20, 21, 22 provided on the fork shaft 2, and a lock means 10 having a lock ball 11 which is engaged with the lock grooves 20, 21, 22. The lock means 10 consists of a housing 14, a housing hole 140 provided in the housing 14, a lock ball 11 housed from the bottom end part of the housing hole 140 upward in order, a coil spring 12, and a pressure regulating member 13, and a sheet 3 is interposed between the coil spring 12 and the rock ball 11.
Patent JP-H09167583-A (JP)
Title: Display device
Inventor: ITO SHIGEO
IPC: H01J31/12
Filed: 1995-12-15
Abstract: PROBLEM TO BE SOLVED: To prevent drop in luminescent efficiency of a fluorescent material, deterioration in emission capacity of an emitter, and shortage of life by using a glass material containing no alkali ingredient in a support, and making the surface of the support hydrophobic. SOLUTION: An insulating support 3A is arranged as a support for holding a cathode substrate 10 and an anode substrate 4. A non-alkali glass fiber containing no alkali ingredient is used as the material for a support main body 3a of the support 3A. As the non-alkali glass fiber, practically, a quartz fiber or an E glass fiber which is a kind of boron silicate is used. Generation of alkali ingredient diffused in a production process and during display device driving is suppressed, and drop in emission efficiency of a fluorescent material dot pattern can be prevented. A hydrophobic coating layer 3b is formed on the support main body 3a of the support 3A, the moisture content on the surface of the support 3A is reduced, and deterioration in emission capacity of an emitter and the shortage of device life can be prevented.