baber/WOPTO huggingface dataset:
Patent JP-2001297409-A (JP)
Title: Thin film magnetic head
Inventor: MARUYAMA YOJI
IPC: G11B5/31
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide a new thin film magnetic head capable of high frequency recording action of >=300 MHz in a magnetic head structure dealing with narrow tracks and having magnetic poles connected. SOLUTION: The new thin film magnetic head has a magnetic circuit constituted of a first magnetic member facing a magnetic medium, a second magnetic member facing the magnetic medium and having s geometrical dimensional width for regulating a recording track width and a third magnetic member magnetically bonding the first and the second magnetic members. These respective members are constituted of plural magnetic thin films which are laminated.  And saturation magnetic flux density of a laminated film near to a recording gap layer of the magnetic thin films constituting the first and the second magnetic members is specified to be higher than that of its outside magnetic film and a high magnetic permeability μ material and a high specific resistance ρmaterial are disposed on the outer magnetic thin film and the inner magnetic thin film which construct the third magnetic member, respectively, to form the thin film magnetic head. Thus, generation of a high magnetic field and generation of high frequency magnetic flux by suppressing eddy current are made possible and high frequency recording over 300 MHz is realized.
Patent JP-2001305483-A (JP)
Title: Illumination optical device
Inventor: HAYASHI KOTARO
IPC: H04N5/74
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide an illumination optical device in which the burden of a projection optical system is reduced because the F-member of illuminating light does not become small, and in which a color switching device having a polarization dependence can be inserted. SOLUTION: The illumination optical device is provided with a polarization conversion device for arranging light from a light source in a prescribed polarization state, and an integrator optical system to illuminate a display panel with the light in a prescribed polarization state. In the illumination optical device which polarizes and separates the light from the light source in the direction of the long side of the display panel and arranges one of first luminous flux and second luminous flux separated with the same polarization state as that of the other side by using the polarization conversion device, the first luminous flux and second luminous flux pass through the same cell in the first lens array of the integrator optical system, and are imaged on the same cell in the second lens array on the integrator optical system.
Patent JP-2001259669-A (JP)
Title: Polluted water, purifying plant
Inventor: YOSHIMI KATSUUMI
IPC: E02B1/00
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To prevent floating sludge and soil which are mixed in polluted river water from attaching and depositing to an infinite number of fine holes in an intergravel catalytic oxidation method, pumice and charcoal. SOLUTION: Grooves 2 which fix a folded plate wall girder 1 and soil discharge grooves 3 are disposed on the base surface, natural stones 4 are spread all over the surface of molding box, reinforcing steel 5 is disposed, mortar 6 is applied, thus, the increase of micro-organism attaching surface is contrived, cut-off outflow holes 8 and discharge holes 9 are disposed, broken stones 10 are planted on the surface and, in such a manner, the folded plate wall girder is made. Discharge walls 12 are disposed between walls and band plates 13 prevent pumice bags 15 from being washed away. As shown in Fig. 3-7, cut-off walls 17 and walls 18 are disposed on the base surface, a floor plate provided with a discharge wail 19, a hole 20, a cut-off wall 21 and a hole 22 is disposed, the wall girder is mounted, natural stones and bags which contain pumice and charcoal are piled. Water stream shown as the arrow generates an ascending stream and descenting stream with the action of the cut-off walls, discharge walls and holes, prevents the attachment and deposition of sludge and soil and facilitates the function of the natural stones, pumice and charcoal.
Patent JP-2001310144-A (JP)
Title: Liquid jetting pump
Inventor: KOHARA HIROTSUGU
IPC: B05B11/00
Filed: 2000-04-28
Abstract: PROBLEM TO BE SOLVED: To provide an excellent liquid jetting pump capable of stripping a valve plate which clings to a valve seat by the normal procedure, surely operating a suction valve and further operating the pump, and having such a simple structure that is not particularly complicated as compared with the structure of the conventional device, wherein the pump has a jetting head 21 inserted at the upper end of a protruded stem 20 capable of moving vertically upward from the upper end of a cylinder 2 with an energized state, has an operation member 3 composed in such manner that it is able to be screwed and supported in a depressed state and is provided with a valve member 4 forming a suction valve 27 contacted with a valve plate 26 on a valve seat 14 installed at a base wall of the cylinder 2 in such manner that the valve 26 is capable of opening and closing. SOLUTION: The operation member is engaged with the end of a coil spring 33 which energizes operation member upward when the operation member is rotated in the direction of spiral release. Also, an engaging part 34, which is not engaged with the end of the coil spring 33 when the operation member is rotated in the direction of being screwed, is installed respectively at the operation member 3 and the valve member 4.
Patent JP-2001302668-A (JP)
Title: Polynalbuphine derivative and method for producing the same
Inventor: FU OLIVER YAOOPU
IPC: A61K31/485
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To provide an analgesic agent effective for mitigating the pain over a long period. SOLUTION: The objective polynalbuphine derivative includes a compound of formula (I) ((n) is an integer of >=2; and R is a (substituted) 1-40C hydrocarbyl group).
Patent JP-2001312173-A (JP)
Title: Fixing device
Inventor: KAWAKAMI MASANORI
IPC: G03G15/20
Filed: 2000-05-02
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device capable of preventing paper from being soiled. SOLUTION: In this fixing deice 1 equipped with a pressure roller 5 press- contacting with a fixing roller 3 and a cleaning brush 23 removing toner remaining on the roller 5 while abutting on the roller 5, the brush 23 is provided movably and the abutting position of the brush 23 on the roller 5 is changed.
Patent JP-2001319831-A (JP)
Title: Variable capacitor and position indicator
Inventor: FUKUSHIMA YASUYUKI
IPC: G06F3/041
Filed: 2000-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a variable capacitor composed of less number of components. SOLUTION: A variable capacitor is equipped with a dielectric body possessing two edge faces, two electrode plates disposed on the one edge face of the dielectric body, a flexible electrode plate disposed on the other edge face of the dielectric body, and a pressure member which changes a relative pressure or a displacement between the flexible electrode and the dielectric body, where the above flexible electrode plate is formed of material or evaporated film in which a large number of conductive particles are mixed. Moreover, a member formed of elastic material is provided between the pressure member and the flexible electrode plate. Furthermore, a position indicator is equipped with a tuning circuit in which the above variable capacitor serves as a part of the circuit element.
Patent JP-2001315443-A (JP)
Title: Thermal transfer image accepting sheet
Inventor: SHIRAI KOICHI
IPC: B41M5/382
Filed: 2000-05-08
Abstract: PROBLEM TO BE SOLVED: To make it possible to easily manufacture a thermal transfer image accepting sheet, on which metallic gloss and coloring are applied and the designing properties and decorativeness of which are high, at low cost. SOLUTION: In the thermal transfer image accepting sheet consisting of at least a coloring material accepting layer 3, an intermediate layer 2 and a base material 1, the intermediate layer 2 consists of at least a binder resin and a colorant. Since the colorant includes metallic components, the metallic gloss and coloring giving intermediate layer 2 is formed on the base material 1 not by a high production cost requiring method for providing a metallized film such as a vacuum metallizing method, a spattering method or the like but by a simple coating system, resulting in allowing to easily manufacture the thermal transfer image accepting sheet with high designing properties and decorativeness at low cost.
Patent JP-2001314348-A (JP)
Title: Bedpan
Inventor: NAKAJIMA SHINICHI
IPC: A47K11/04
Filed: 2000-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a bedpan that is usually stored in a small place such as a small space of a room or a car trunk and can be easily taken out and used without using water for caring of a patient, during a disaster or during a camping. SOLUTION: A bedpan 13 is made up of three cylinders 2a, 2b and 2c to be stored in a case 1, each having a different inside diameter, an openable horseshoe seat 6 and a lid 7 are provided on the uppermost cylinder 2a, spares such as a vinyl bag 3 or the like are stored in a lowermost box 8 and the cylinders 2a, 2b and 2c are provided, a storage space to store excrement is formed by placing the vinyl bag 3 in the cylinders 2a, 2b and 2c.
Patent JP-2001317611-A (JP)
Title: Hydro-mechanical continuously variable transmission
Inventor: NAKAZAWA MASAAKI
IPC: F16H3/44
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To provide a structure capable of being used for both an output dividing type and an input dividing type in a hydro-mechanical continuously variable transmission(HMT) formed buy combining an HST with a planet gear mechanism. SOLUTION: A first shaft 1 and a second shaft 2 paralleled with each other are placed on one side and a third shaft 3 and a fourth shaft 4 paralleled with each other are placed on the other side with putting the planet gear mechanism 21 between the both sides. Axes of four shafts 1, 2, 3 and 4 are included in the same plain, and distance between the first shaft 1 and the second shaft 2 are made to be equal to distance between the third shaft 3 and the fourth shaft 4. Each of the four shafts 1, 2, 3 and 4 is connected with one of three elements among a sun gear 9, an internal gear 11, and a planet carrier 18 of the planet gear mechanism 21, and a planet gear mechanism unit 40 is formed so as to be capable of switching a type of HMT (out dividing type and input dividing type) by mounting with reversing front and rear direction.
Patent JP-2001315714-A (JP)
Title: Packaging sheet feeder of packaging machine
Inventor: KUREBAYASHI TOMONARI
IPC: B65B11/42
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To provide a packaging sheet feeder of a packaging machine which can avoid the deflection, curl or clogging of a packaging sheet transferred by a suction and transfer belt even when affected by the wind pressure caused by the turret rotation. SOLUTION: This packaging sheet feeder has a suction and transfer belt 4 for drawing out a packaging sheet wound in a roll, sucking the packaging sheet 1 cut to the predetermined length by four separate suction belts 11-14 of the suction and transfer belt 4 moving in a substantially perpendicular direction and transfer it to the packaging position, spaces between the suction belts 11-14 of the suction and transfer belt 4 are covered by a shielding plate 24, and the rolling-up, etc., of the packaging sheet 1 sucked and transferred by the suction and transfer belt 4 by the wind pressure generated by the rotation of the turret of the packaging machine is avoided.
Patent JP-2001320353-A (JP)
Title: Oversampling-type clock recovery circuit
Inventor: NAKAMURA SATOSHI
IPC: H04L25/40
Filed: 2000-05-11
Abstract: PROBLEM TO BE SOLVED: To provide an oversampling-type clock recovery circuit, where deterioration of jitter characteristic can be prevented, a satisfactory clock can be generated and the area efficiency of the circuit and the power efficiency and the distribution efficiency of the block are satisfactory, particularly, even when the circuit is adapted to a transceiver having multiple serial input/output channels. SOLUTION: The supply for differential clocks CLKa and CLKb is received, and the phases of the differential clocks CLKa and CLKb are controlled by a phase control circuit 11. A delay-locked loop(DLL) 12 generates the clocks CLK1 to 16 of 16 phases, based on differential clocks CLKc and CLKd whose phase are controlled by the phase control circuit 11, and the clocks are supplied to a phase comparator PD2. A control voltage V2 generated by a phase control signal, based on phase difference information (UP and DOWN signals) outputted from the phase comparator PD2 is fed back to the phase control circuit 11, and it is used for controlling the phase of the differential clocks CLKa and CLKb in the phase control circuit 11.
Patent JP-2001320430-A (JP)
Title: Ask modulator
Inventor: SUGANO TAKAYUKI
IPC: H04L27/04
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To obtain an ASK(Amplitude Shift Keying) modulator that can obtain a sufficiently higher and proper modulation factor by suppressing the modulation factor from getting higher more than required due to variations in FETs. SOLUTION: The ASK modulation circuit employing FETs adopts a multi- stage connection configuration to obtain a larger modulation factor by improving the isolation at carrier interruption. Furthermore, by leaking part of a received carrier to an output side at al times a pass loss at carrier interruption is made constant and a proper modulation factor is obtained.
Patent JP-2001323019-A (JP)
Title: Terminal functional group-containing vinyl-based polymer and curable composition containing the same
Inventor: KAKEHI TAKAMARO
IPC: C08F20/18
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To obtain both a vinyl-based polymer containing terminal functional groups suitable for a wide range of uses such as an adhesive, a sealing agent, an elastic adhesive, a coating, a film, a thermoplastic elastomer, a vibration- damping material, various kinds of molding materials, a compatibilizer, a resin improver, etc., since properties such as elongation, tensile strength, etc., are improved and durability of heat resistance, water resistance, etc., is provided in a good balance by network formation by a chain extension through the reaction of mutual functional groups due to having different functional groups at both terminal ends of the molecule and a curable composition comprising the vinyl-based polymer containing the functional groups at the terminal ends. SOLUTION: This terminal functional group-containing vinyl-based polymer contains the functional group X at one end and the functional group Y different from the functional group X at the other end.
Patent JP-2001007870-A (JP)
Title: Noise reduction device
Inventor: KEI SHINYU
IPC: H04B3/18
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To minimize a spurious noise by turning on/off transmission power corresponding to an enable signal generated from a control section in response to the noise, eliminating a prescribed noise generated from a programmable gain controller when a modem transmits no signal, tuning the output of a noise elimination signal and outputting the tuned output to a coaxial cable network. SOLUTION: A CPU 21 adjusts a speed of a transmission level of an up- stream through a programmable gain control section 22. In this case, an enable signal supplied from the CPU 21 controls on/off intermission to the programmable gain control section 22. A transformer 23 coverts a controlled transmission level into an another level, which is given to a noise elimination section 24, in which the spurious noise is minimized. A tuner 25 finally tunes the output of the noise elimination section 24 and the output of the tuner 25 is given to a coaxial cable network. In the case that a cable modem transmits no signal, the enable signal from the CPU 21 goes to a low level to reduce the spurious noise.
Patent JP-2001257788-A (JP)
Title: Remote maintenance system
Inventor: WATANABE HISAO
IPC: G06Q50/04
Filed: 2000-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a remote maintenance system that can reduce the maintenance cost, the maintenance man-hours and enhances the maintenance efficiency. SOLUTION: The remote maintenance system of this invention is provided with a maintenance server (202) that relays machine facility vendor clients (110 or the like) and machine facility user clients (310 or the like). The maintenance server stores user information provided via the machine facility vendor clients, machine facility information delivered to their users and maintenance information of the machine facilities. When the server receives a maintenance request from a machine facility user client, the server matches the maintenance request with the maintenance information and distributes the corresponding maintenance information to the machine facility vendor client and/or the machine facility user client.
Patent JP-2001323303-A (JP)
Title: Manufacturing method of metal powder
Inventor: TAUCHI AKIHIRO
IPC: B22F9/08
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To separate and recover dried metal powders from a slurry containing the metal powder by using a decanter type centrifugal separator without any other drier and without drying by heat. SOLUTION: The molten metal is fed into a cooling liquid layer, the molten metal is rapidly solidified in the cooling liquid layer to form the metal powder, the slurry containing the metal powder of <=350 g/liter is prepared, the obtained slurry is charged in the decanter type centrifugal separator 10 comprising a high-speed rotary bowl 20 with one end contracted, a high-speed rotating screw conveyor 30 with a screw 32 formed along an inner surface of the bowl on the outer circumference, and a liquid removing unit 22 for separating the metal powder from the slurry on the contraction side of the bowl, the metal powder is separated from the slurry by applying the centrifugal acceleration of >=800 G to the slurry, and the separated metal powder is dried by the liquid removing unit until the water content is <=1%.
Patent JP-2001036940-A (JP)
Title: Communication system for mobile object
Inventor: ANDO KOJI
IPC: H04W4/04
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To surely realize handover even when a quickly moving mobile station enters and leaves a radio wave dead zone. SOLUTION: In this communication system for a mobile object, radio communication between a mobile station 6 and plural communication base stations A and B for a mobile object is operated, and the mobile station 6 receives radio waves from one communication base station A for the mobile object outside a tunnel 2 being a radio wave dead zone, and receives radio waves from the other communication base station B for the mobile object in the tunnel 2 through a master station 3 and a slave station 4 of a repeater device 1 for the radio wave dead zone, and operates handover between one communication base station A for the mobile object and the communication base station B for the mobile object according to the movement of the mobile station 6. In this case, the slave station 4 of the repeater device 1 for the radio wave dead zone is arranged near an entrance/exit 7 in the tunnel 2.
Patent JP-2001326656-A (JP)
Title: Network system and network unit
Inventor: MASUI TAKANORI
IPC: H04L12/28
Filed: 2000-05-17
Abstract: PROBLEM TO BE SOLVED: To provide a system where each unit on a network individually stores and manages cross-reference information between a 1st logic address and a 2nd logic address of each unit that allows each unit so as make proper communication conducted, even when a 1st logical address assigned to each unit is revised. SOLUTION: In the case that an IP address (1st logic address) leased from a DHCP server 20 to a network unit 10-1 is revised, the network unit 10-1 multicasts the cross reference information between an IP address after revision and the 2nd logic address to all other network units (such as unit 10-2) on the network 30. Each of the other network units updates logic address cross- reference information stored in itself, on the basis of the multicast notice.
Patent JP-2001294154-A (JP)
Title: Nonsymmetric door arrangement for commutation type rolling stock for shortening getting-on and -off time
Inventor: KAMINAGA TAKU
IPC: B61D19/02
Filed: 2000-04-11
Abstract: PROBLEM TO BE SOLVED: To prevent a delay from being generated in a railway schedule by a reason why a passenger in a position distant from a door takes, time for getting-off, in a rushed commutation type rolling stock. SOLUTION: An attaching position for the door for getting-on and -off, which arranged symmetrically in the prior art, is shifted diagonally to be brought into diagonal arrangement as to left and right sides, so as to unify, as much as possible, a distance for reaching to the door for the getting-on and -off.
Patent JP-2001329853-A (JP)
Title: Outboard engine
Inventor: NAKADA JUN
IPC: F02B61/04
Filed: 2000-05-18
Abstract: PROBLEM TO BE SOLVED: To provide an outboard engine capable of reducing the quantity of the exhaust gas flowing in the idle exhaust passage of a guide exhaust in a high-rotation area of an engine and preventing carbon or the like from sticking near the opening of the idle exhaust passage to the utmost. SOLUTION: The engine 16 is mounted on the guide exhaust 38 of the outboard engine, an exhaust pipe 63 is provided below the guide exhaust, and the exhaust gas of the engine is guided to the main exhaust passage 38a of the guide exhaust and the exhaust pipe and discharged downward. A step section 94 recessed more on the downstream side than on the upstream side is formed on the front side inner face or the rear side inner face of the main exhaust passage of the guide exhaust, and the opening of the idle exhaust passage 86 is provided on a recess 96 on the downstream side than the step section.
Patent JP-2001329807-A (JP)
Title: Cam follower device for valve gear of engine
Inventor: MINAKI KIICHI
IPC: F01L1/18
Filed: 2000-05-18
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of pitching of the outer peripheral surface of a cam 3, prevent the occurrence of peeling of the outer peripheral surface of an outer ring 5, and simultaneously reduce abrasion of the outer peripheral surface of the cam 3. SOLUTION: The outer peripheral surface of the cam 3 is subjected to heat treatment so that the hardness thereof is Hv 613 or higher, and the roughness is 0.5 μmRa or lower. The outer peripheral surface of the outer ring 5 has a hardness higher than that of the outer peripheral surface of the cam 3, and has a difference of Hv 220 or less in hardness from the outer peripheral surface of the cam 3. The roughness of the outer peripheral surface of the outer ring 5 is 0.1 μmRa or lower.