baber/WOPTO huggingface dataset:
Patent JP-2001237089-A (JP)
Title: Electric discharge lamp lighting circuit
Inventor: YAMASHITA MASAYASU
IPC: H05B41/18
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To obtain an electric discharge lamp lighting circuit by which a stabilized lighting characteristic of an electric discharge lamp is guaranteed, and a degradation and a shortened life of the electric discharge lamp are prevented. SOLUTION: In the electric discharge lamp lighting circuit 1, a direct-current power supply circuit 3 which outputs direct-current voltage, a direct-current to alternate-current conversion circuit 4 for supplying the output voltage of the direct-current power supply circuit to the electric discharge lamp 6 after converting the voltage into alternate voltage, and a current detection circuit 8 for detecting the current which flows in the electric discharge lamp 6 are provided. And a direct-current lighting is performed for predetermined time by changing the output frequency of the direct-current to alternate-current conversion circuit 4 temporarily to a specified low frequency in the lighting frequency, immediately after the lighting of the electric discharge lamp 6.  Here, the control circuit 7 determines the period length which performs direct-current lighting according to a time until a current value and its product which flows in the electric discharge lamp 6 comes to a value specified beforehand.
Patent JP-2001239001-A (JP)
Title: Game machine
Inventor: IOKI SADAO
IPC: A63F7/02
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To arrange a power supply unit so as to effectively utilize the limited space on the back of a pachinko machine and to prevent a malfunction caused by noise. SOLUTION: This pachinko machine 1 is provided with a power supply unit capable of individually feeding DC power to a plurality of control units 30, 40, 50, 60, 70, 80. The power supply unit 20 is fitted to one upper side on the rotary shaft side of a back mechanism board 10 arranged on the back of a metal game board storage frame 4. The earth connecting member 28 of the power supply unit 20 is electrically connected to the game board storage frame 4 when the power supply unit 20 is fitted to the back mechanism board 10.
Patent JP-2001244227-A (JP)
Title: Gas washing method of semiconductor substrate surface
Inventor: KOSUGI RYOJI
IPC: H01L21/304
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To prepare reliable semiconductor devices by a gas washing method of a semiconductor substrate surface by carrying out ozone exposure accompanying ultraviolet-ray irradiation under reduced pressure, and by effectively removing carbon impurities on the semiconductor substrate surface. SOLUTION: In the substrate pretreatment washing process when semiconductor devices are prepared, a substrate temperature is maintained from the room temperature to 1200 deg.C, and ultraviolet rays are applied onto the substrate surface for carrying out ozone exposure.
Patent JP-2001240239-A (JP)
Title: Accumulator
Inventor: YAMASHITA WAKIO
IPC: B65G47/30
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To discharge stored containers to a main conveyor and an accumulator conveyor in the processing order of an upstream side container processing device. SOLUTION: A main conveyor 8 having the conveying width wider than that of an upstream side conveyor 2 and an accumulator conveyor 10 are connected to the upstream side conveyor 2 for conveying containers 4 discharged from an upstream side container processing device and a downstream side conveyor 6 for supplying the containers 4 to a downstream side container processing device. A switching guide 14 capable of being switched to a state to supply the containers 4 to the main conveyor 8 and a state to supply them to the accumulator conveyor 10 is provided. When a sensor 38 detects that the main conveyor 8 becomes full, the guide 14 is switched to introduce the containers 4 onto the accumulator conveyor 10. In discharging, the containers are discharged from the accumulator conveyor 10 to the downstream side conveyor 6 after confirming that the main conveyor 8 becomes empty.
Patent JP-2001242362-A (JP)
Title: Branch cord
Inventor: ISHIDA KATSUYOSHI
IPC: G02B6/44
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To make a diameter finer and space less in a branch cord used for connection of multiple coated optical fiber ribbons and single core optical fiber cords suitable for high densification of in-plant wiring and to improve the connectability and handling quality thereof. SOLUTION: The branch cord 20 constituted in such a manner that optical fibers 11, 11, etc., are led out of the respective ends of a plurality of the optical fiber cords 15, 15, etc., and a plurality of the led out optical fibers 11, 11, etc., are aligned in parallel and are integrally coated to a ribbon form.
Patent JP-2001249508-A (JP)
Title: Image forming unit and image forming device
Inventor: SAMEJIMA TAKAO
IPC: G03G15/00
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide an image forming unit where making the unit small and bringing the cost down is possible and where only a member that is necessary can be exchanged and an image forming device utilizing it. SOLUTION: In the image forming unit that can be attached to or detached from an image forming device main body, a photoreceptor drum unit 20 provided with the photoreceptor drum 1 and an intermediate transfer belt unit 21 provided with an intermediate transfer belt 5a where an image on the photoreceptor drum 1 is transferred, the photoreceptor drum unit 20 and the intermediate transfer belt unit 21 are constituted to be able to be attached or detached.
Patent JP-2001240264-A (JP)
Title: Image forming device
Inventor: MAKINO KAZUNORI
IPC: B65H3/44
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To easily remove a jammed sheet by releasing the meshing of gears with a pair of feed rollers 10a and 10b when a sheet jamming occurs at the pair of feed rollers for sheets from a vertical multi-stage sheet feed cassette. SOLUTION: In a sheet feed unit U on an uppermost stage, a drive motor 29 is rotated in forward direction by a first gear transmission mechanism 25 so as to transmit a power to a gear 30 for a pair of feed rollers 10a through a motor pinion 30, gears 31 and 32, first sun gear 33, and a first planetary gear 34. When a sheet jamming occurs, the drive motor 29 is rotated reversely so as to separate a first planetary gear 34 revolving about the first sun gear 33 from the gear 36. The drive motor also reversely rotates a second planetary gear 45 meshed with a second sun gear 37 so as to interrupt the transmission of power to a second gear transmission mechanism 26 on a lower stage.
Patent JP-2001251252-A (JP)
Title: Optical access network, trunk line node unit and branch line node unit
Inventor: KITAGAWA TAKESHI
IPC: H04L12/911
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide an optical access network, a trunk line node unit, and a trunk line node unit that can quickly provide a broadband service to users. SOLUTION: The trunk line node is provided with n-sets of 1st optical transmitters that transmit n-sets of optical signals with wavelengths λ1, λ2,..., λn, a 1st wavelength multiplexer that multiplexes n-sets of the optical signals, n-sets of 1st optical receivers that receive n-sets of the different optical signals, and n-sets of 1st wavelength separators that separate n-sets of the optical signals. The branch line node is provided with a 2nd wavelength separator that separates n-sets of the optical signals, n-sets of wavelength conversion repeaters that receive an optical signal with a wavelength λa and output respectively n-sets of optical signals and a 2nd wavelength multiplexer that multiplexes n-sets of the optical signals.  Each of slave nodes is provided with a 2nd optical receiver that receives one optical signal among n-sets of the optical signals and a 2nd optical transmitter that transmits the optical signal with the wavelength λa.
Patent JP-2001248982-A (JP)
Title: Heat pipe structure and tool for forming the same
Inventor: KAWAHARA YOJI
IPC: F28D15/02
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To perform an easy and positive fixing of a heat pipe against a flat plate-like block and make its entire thickness thin. SOLUTION: There are provided a heat pipe 7 formed into a shaft shape; a metallic flat plate-like block 4; a fixing groove 8 formed at one surface side of the flat plate-like block 4 along its surface direction; and one end of the heat pipe 7 arranged inside the fixing groove 8. In addition, there is provided a fixing claw 10 which is a protrusion formed in a relative manner by recessing a part of the flat plate-like block 4 near the fixing groove 8 in a direction of thickness, bent inside the fixing groove 8 and engaged with one end of the heat pipe 7.
Patent JP-2001247375-A (JP)
Title: Ceramic green sheet for laminated electronic parts
Inventor: TAKASHIMA HIROAKI
IPC: C04B35/622
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To obtain a ceramic green sheet for laminated electronic parts less apt to cause void occurrence on an end of an internal electrode layer in laminating a ceramic green sheet and the internal electrode. SOLUTION: This ceramic green sheet is obtained by adding the first binder and the second binder to a ceramic material. The molecular weight of the second binder is set on 10-40% of the molecular weight of the first bonder in the case of the molecular weight of the second binder is lower than the molecular weight of the first binder or the weight of the second binder is set on 3-50 wt.% based on the sum of the both binders.
Patent JP-2001247858-A (JP)
Title: Benzimidazole derivative, luminescent element material and luminescent element
Inventor: ISE TOSHIHIRO
IPC: H05B33/12
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To obtain a blue-colored luminescent element (material) which may efficiently emit light with a high brightness at a low voltage drive, shows an excellent stability at repetitive use and has an excellent color purity. SOLUTION: A benzimidazole derivative of formula (I) (wherein R1, R2 and R3 are each hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group; L is a linking group; R1 and R2, R1 and L, and R2 and L may be linked to each other to form a ring if possible; R4, R5, R6 and R7 are each hydrogen atom or a substituent; and each of R3-R7 may be linked to R1-R7 or L to form a ring if possible) is used.
Patent JP-2001247954-A (JP)
Title: Core chuck nose, and roll core supporting method using it
Inventor: KASAI KATSUHIKO
IPC: C23C14/06
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a core chuck nose in which a surface hardened layer having a consistent hardness distribution is formed, defects such as chipping, peeling and dimensional change are conquered, the service life is long, and the operational stability is excellent. SOLUTION: In a first embodiment, the core chuck nose is formed of a base material containing chromium, or the base material which is surface-treated with chromium, and has a nitrided layer on the surface of, or from the surface to the inside of the base metal. In a second embodiment, the core chuck nose is formed of a base material containing chromium, or the base material which is surface-treated with chromium, and has a nitrided layer on the surface of, or from the surface to the inside of the base metal, and a vapor deposition covered layer is provided on the nitrided layer.
Patent JP-2000353188-A (JP)
Title: Low power consumption calculation circuit for common case for high performance/low power vlsi design
Inventor: LAKSHMINARAYANA GANESH
IPC: G06F17/50
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To obtain a common case optimizing circuit capable of realizing high speed performance by small power consumption. SOLUTION: In the low power consumption calculation circuit consisting of plural constitutional circuits, plural constitutional circuits consist of a general circuits 8.3 provided with a primary input, a primary output and an internal variable, a common case detection circuit 8.11 and a common case execution circuit 8.12. The circuit 8.11 detects the appearance of a common case on the basis of the 1st sub-set of the primary input and the 1st sub-set of the internal variable and the circuit 8.12 calculates the sub-set of the primary output and the internal variable on the basis of the 2nd sub-set of the primary input and the 2nd sub-set of the internal variable.
Patent JP-2001253853-A (JP)
Title: New biadamantane derivative
Inventor: KATAI SHUNJI
IPC: C07C69/753
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To obtain a new biadamantane derivative not only excellent in heat resistance, water resistance and optical characteristics, but also excellent in solubility in various kinds of solvents. SOLUTION: This biadamantane derivative is a 3,3'-dialkoxycarbonyl-1,1'- biadamantane represented by general formula (I) (wherein, R is a 2-8C alkyl group).
Patent JP-2001254765-A (JP)
Title: Drum brake device
Inventor: KAWAGUCHI HIDETO
IPC: F16D63/00
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that a drum brake device using two torsion springs, a first and a second one, increased the cost of a material, enlarged a housing and required a large space for installation, as both the torsion springs each used in the past an ordinary number of windings (a large number of windings) capable of producing large brake force. SOLUTION: In this drum brake device which is equipped with a first and a second torsion spring 5, 6 each installed in a housing 1 to rotate a pinion 4 in either side of forward or reverse so as to apply brake force by diametrically spreading any of the first or second torsion spring 5, 6 either one of the first or the second torsion spring 5, 6 with a number of windings smaller than that of the other torsion spring is used, so that the cost of a material is reduced and the housing 1 can be miniaturized.
Patent JP-2001259835-A (JP)
Title: Device for cladding by welding
Inventor: DOUTANI YASUO
IPC: B23K9/04
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a device for cladding by welding, by which the cladding by welding can be satisfactorily performed when the device is used for the cladding by welding to a rod-shaped work having a helical projected line. SOLUTION: The device A for the cladding by welding is constituted to equip with a work support, drive mechanism, by which a screw 1 is rotatably supported around an axial line α, is rotated and driven, a torch 3 performing the cladding by welding to the apex 12 of the projected line 11 of the screw 1, an X axis drive mechanism 31 moving the torch 3 in the direction orthogonally crossing the axial line α, a Y axis drive mechanism 32 moving the torch 3 in the parallel direction to the axial line α, a Z axis drive mechanism 33 adjusting an interval between the torch 3 and the screw 1, a rotary mechanism 34 rotating and shifting the torch 3 around an axial line θ in the horizontal direction and a weaving mechanism 35 giving a weaving operation to the torch 3.  The work support, drive mechanism is constituted to equip with a heating part postheating the vicinity of the chuck of the screw 1.
Patent JP-2001254699-A (JP)
Title: High-speed motor drive compressor and its cooling method
Inventor: HASEGAWA KAZUMI
IPC: F04D29/58
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a high-speed motor drive compressor effectively cooling heating parts (rotor and stator) in the high speed rotation by a relatively simple structure with the length of a rotor shaft held in the minimum and to provide its cooling method. SOLUTION: This high-speed motor drive compressor is provided with a high-speed motor 12 having the rotor shaft 11 penetrating through the both ends, a first-stage impeller 13 and a second-stage impeller 14 attached to the both ends of the rotor shaft respectively, and an intermediate cooling device 16 intermediately cooling gas compressed by the first-stage impeller 13 and guiding it to the second-stage impeller. The compressed gas cooled intermediately is jetted to a clearance between the rotor 12a and the stator 12b of he motor 12 via the rotor shaft so as to cool the rotor shaft, the rotor, and the stator.
Patent JP-2001267015-A (JP)
Title: Connector and charger
Inventor: MITO TOSHITSUGU
IPC: H01M10/46
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a connector and a charger which can surely keep a good connection state and is protected from improperly coming off, in case of a battery pack with different fitting positions of battery connectors. SOLUTION: The connector 10 has a connector main body 12 provided with a latch part 18 in a protruding way, under which is arranged a connector part 20, and a pressing plate 14 fixed on the bottom face 12A. When the connector part 20 is connected with a battery connector 130 set in a concave part 180 of a battery pack 150, a hook 24 of the latch part 18 gets engaged with a groove part 182 of the concave part 180, and the pressing plate 14 gets contacted with a bottom face 150B of the battery pack 150 to pinch the battery connector 130 with the latch part 18, the connector 10 thus locked in that connection state.
Patent JP-2001267244-A (JP)
Title: Method of manufacturing group iii nitride-based compound semiconductor and group iii nitride-based compound semiconductor device
Inventor: KOIKE MASAYOSHI
IPC: H01S5/323
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a group III nitride-based compound semiconductor in which through dislocations are suppressed. SOLUTION: A basic bottom layer 20 is formed by arbitrary times repeating a cycle of stacking a buffer layer composed of a group III nitride-based compound semiconductor formed at a temperature at which not single crystal is grown and a group III nitride-based compound semiconductor layer formed at a temperature at which a crystal is grown. The uppermost layer of the basic bottom layer 20, which is the group III nitride-based compound semiconductor layer 31, is a layer of good crystallinity with a reduced number of through dislocation. After etching the basic bottom layer 20 to form steps and performing transverse epitaxial growth by utilizing the side faces of the steps as the nuclei, the parts that bury the steps hardly allow the through dislocations which propagate in the longitudinal direction to propagate.  As a consequence, the region of the group III nitride-based compound semiconductor in the upper section of the parts that bury the steps can be a region where the through dislocations are extremely suppressed.
Patent JP-2001255059-A (JP)
Title: Freezer/refrigerator show case
Inventor: TANAKA TSUTOMU
IPC: A47F3/04
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To improve workability when a fixing position for a fluorescent lamp is shifted to assure a mounting space in the case that a night cover winding-up segment is installed. SOLUTION: A fluorescent lamp 3 is supported from above with fluorescent lamp fixing fittings 12 placed between a shade 2 and a reflector 4 arranged to cover a front side upper end of a thermal insulating box 1 formed with an opening at its front surface through which commodities are loaded in or unloaded from it. The fluorescent lamp fixing fittings 12 are connected by vertical plates arranged in a forward or rearward direction between upper and lower horizontal plates. The upper horizontal plate is formed with one threaded hole at a location displaced from its central part in a forward or rearward direction. The fluorescent lamp 3 is fixed at the central part of the lower horizontal plate. A screw is passed through the threaded hole to fix the fluorescent lamp fixing fittings.  In the case that a night cover winding-up segment is arranged at the upper corner part of the reflector 4, the screw is loosened and the fluorescent lamp fixing fittings 12 are turned reverse.
Patent JP-2001263927-A (JP)
Title: Heat insulation case and manufacturing method therefor
Inventor: OBATA TAKASHI
IPC: F16L59/00
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a sealing process of a back surface plate of a refrigerator for preventing a leakage of a urethane by pressure contacting the plate with an outer case in a heat insulator foaming step in the process for sealing the plate of the refrigerator. SOLUTION: The sealing process of the back surface plate of the refrigerator comprises the steps of not processing the outer case 11 and the surface plate 12 so that the case 11 is surface contacted with the plate 12, mating the flat surface of the case 11 with that of the plate 12 when assembled, and retaining the mated flat surfaces of the case 11 and the plate 12 by a urethane jig cover 13 after a foaming urethane is charged so that the foaming urethane 19 may not be leaked.
Patent JP-2001266159-A (JP)
Title: Method and device for generating object domain information, and method and device for generating approximate polygon
Inventor: MASUKURA KOICHI
IPC: G06T7/20
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide an object domain information generating device capable of performing polygonal approximation to the domain of a desired object in video precisely and speedily and describing the desired object in the video with a small data quantity. SOLUTION: In an object domain information describing method for performing domain information, which generates information describing the domain of the optional matter in the video extending consecutive plural frames, a polygon generation part 101 generates an approximate polygon showing the domain of the objective object in the video, a vertex coordinating generation part 102 specifies the correspondence of the vertex in an adjacent frame at the vertex of the approximate polygon and a function approximating processing part 103 approximates the locus of the vertex in the case of arranging positional data on the vertex of the approximate polygon along the advance of a frame with a prescribed function to make information on the area of the object by using the parameter of the function.
Patent JP-2001262621-A (JP)
Title: Lower frame of civil engineering/construction machinery
Inventor: ISHIKAWA HAJIME
IPC: E02F9/02
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a lower frame of a civil engineering/construction machinery capable of preventing the deformation of both right and left freely driving wheel supporting members even if lateral force acts on the freely driving wheel supporting members by steering or the like to adjust a smooth stretch of a crawler and preventing the application of the excessive bending moment to freely driving wheel axes. SOLUTION: A cross member of the lower frame constituting a lower traveling body is fixed to both side frame drums and freely driving wheel supporting members, or an upper plate of the cross member is fixed to both side frame drums and freely driving wheel supporting members, or a lower plate of the cross member is fixed to both side frame drums and freely driving wheel supporting members, and both upper and lower plates of the cross member are fixed to both side frame drums and freely driving wheel supporting members.
Patent JP-2001268002-A (JP)
Title: Wireless communication system
Inventor: KOBAYASHI YUJI
IPC: H04L1/22
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To solve the problem of the conventional wireless communication system that has been unable to enhance line quality by diversity reception with a semi-route relaying system although a radio wave sent from a base station 2 and a radio sent from a mobile station 5 can be carried even when a leakage coaxial cable LCX 1 being an incoming line or an LCX 1 being an outgoing line is broken by the proper control of a connection destination of a changeover switch 9. SOLUTION: A mobile station 15 receives radio waves leaked from an LCX 11 by means of diversity and a base station 12 receives radio waves carried by the LCX 11 by means of diversity.