baber/WOPTO huggingface dataset:
Patent JP-H01170342-A (JP)
Title: Differential type motor
Inventor: KANEKO HISAO
IPC: H02K16/00
Filed: 1987-12-23
Abstract: PURPOSE:To reduce the number of components and to decrease the thickness of a differential type motor by disposing a plurality of pairs of permanent magnets on a sun gear of the motor for rotating an output shaft by a planetary gear system to be engaged with two sun gears independently driven to be also used as a rotor. CONSTITUTION:A such gear 1 has teeth on its outer upper part and rotates around a shaft 15 in the bottom of a body 20 through bearings 16, 17. Eight permanent magnets are equally divided, magnetized and mounted on the lower side of the gear 1. Coil rows 3 are mounted at 60 deg. pitch oppositely to the magnets on the body 20. Planetary bears 5-7 are engaged with the sun gears 1, 2, and rotatably supported to shafts 11-13 secured to a disk at the lower end of an output shaft 10. The gear 2 is rotated around the shaft 10 through a bearing 18 at its center. Eight permanent magnets 9 are circumferentially equally divided, magnetized and mounted on the upper face of the gear 2, and coil rows 4 are mounted on the cover 21 of the body 20. The energizations of the rows 3, 4 are controlled. Thus, the shaft 10 is variably rotated from an extremely low speed to a high speed thereby reducing the number of components and its thickness.
Patent JP-H05135639-A (JP)
Title: Macromolecule polymer insulator
Inventor: MUNAKATA TAKEO
IPC: H01B17/00
Filed: 1991-11-13
Abstract: PURPOSE:To cause a macromolecule polymer insulator used as a phase-to-phase spacer for an overhead transmission line to have no uniform lift created therein even when it receives lateral wind, and have no snow droplet developed thereon. CONSTITUTION:A macromolecule polymer insulator 10 is composed of a fiber- reinforced plastic core material member 12, and a plurality of macromolecule polymer made umbrellas 14 formed on this core member 12 in a longitudinally arranged form. The plurality of unbrellas 14 consists of two groups 15A, 15B having surfaces the inclination angles of which are different from each other as thetaA, and thetaB, respectively.
Patent JP-H10156770-A (JP)
Title: Handling robot
Inventor: SUWA TATSUNORI
IPC: B25J18/02
Filed: 1996-12-04
Abstract: PROBLEM TO BE SOLVED: To increase the amount of projection of a handling robot without increasing the size of a transfer chamber by enabling the sinking action of two robot link mechanisms to be made smaller than their projecting action. SOLUTION: First and second robot link mechanisms B1 , B2 comprise first and second drive link mechanisms 73, 74 independently freely rotationally supported against a rotating table, first and second driven link mechanisms 78, 79 connected to the ends of the respective drive link mechanisms while being rotated in synchronization with the first and second drive link mechanisms, and first and second carrying tables b1 , b2 connected to the ends of the respective driven link mechanisms.  The drive shafts of the drive link mechanisms of the first and second robot link mechanisms and a rotary drive source supported on the rotating table 70 are each connected to a two-way rotary link mechanism in such a manner that the rotation angles θ of the rotary drive source in both directions are such that the rotation angle of one drive shaft is θ1 , the rotation angle of the other drive shaft is θ2 , and θ1 ≠θ2 .
Patent JP-H01165976-A (JP)
Title: Locating apparatus of faulty point of multiterminal power transmission line
Inventor: FUNAHASHI TOSHIHISA
IPC: G01R31/08
Filed: 1987-12-22
Abstract: PURPOSE:To reduce an error and thereby to enable the precise location of a faulty point, by inputting the result of location on the non-supply terminal side and by comparing it with the result of location on the supply terminal side in respect to a distance to a branch point. CONSTITUTION:In a faulty point locating apparatus 6 provided on the supply terminal side of a transmission line 1 of three-terminal parallel two circuits which is made to branch at a branch point 1a positioned at a distance l1 from a power station A being a supply terminal, an arithmetic element 2 calculates a located value XA of a faulty point by a prescribed location formula, based on a zero-phase current of current transformers CT1 and CT2 for detecting the zero-phase current which are provided on the power station A side. Another faulty point locating apparatus 3 is provided on the side of a power station B which is a non-supply terminal. An input mans 5 inputs to a judging means 4 the result XB of location which is transmitted from the locating apparatus 3. The judging means 4 receives as inputs the result XA of location sent from the arithmetic element 2, a value of the distance l1 of the transmission line from the power station A to the branch point, etc., comparing the result XA of location from the arithmetic element 2 with the distance l1 of the line and adopting the result XA of location of its own when XA>=l1, while adopting the result XB of location of the locating apparatus 3 when XA<l1.
Patent JP-H10148475-A (JP)
Title: Induction furnace
Inventor: ARIGA KIKUO
IPC: C04B35/043
Filed: 1996-11-19
Abstract: PROBLEM TO BE SOLVED: To provide an induction furnace built by using lining refractory of preliminarily set shape which is formed of a refractory material based on magnesia and alumina. SOLUTION: Use of a magnesia-based material and an alumina-based material is essential. The material contains particles of less than 0.1mm composed of the magnesia-based material and the alumina-based material in the ratio of 0-28%:72-100%. In terms of total compound ratio the use of the magnesia-based material is 20-80wt.% and the use of the alumina-based material is also 20-80wt.%. A refractory material with the magnesia-based material and alumina-based material in a total of over 90wt.% and with the ingredients of MgO+Al2 O3 in a total of over 80wt.%, if necessary by adding thereto a deflocculant as suited or a hardening agent, is formed into moldings with at least a side wall part preliminarily made an integral part and is given heat treatment below 1,000 deg.C.  This constitution is designed to provide an induction furnace lined with a refractory material of set shape having a porosity of under 15%. As a result, a considerable improvement becomes possible concerning cracking or groove- shaped abnormal damage in the lining material, the properties of the refractory material can be brought into play, and a marked improvement in service life can be expected.
Patent JP-H08179241-A (JP)
Title: Polarization light source device
Inventor: INADA TOMOHIDE
IPC: G02B27/28
Filed: 1994-12-27
Abstract: PURPOSE: To convert all light rays into light rays polarized in a fixed direction without using a polarizing plate at the stage taking out linearly polarized light rays from a natural light and to make a polarizing beam splitting means small in size and light is weight. CONSTITUTION: The convergered light 31 from a light source means 30 is split into a reflected linearly polarized light (S wave) 35 and a transmitted linearly polarized light (P wave) 36 by a polarization beam splitting means 40. The beam splitting means 40 has orthogonally crossing two dielectric multilayer films 46, 47. The S wave 35 strikes the dielectric multilayer 47 to be reflected and is returned to the light source 30.  At this time, the wave 35 becomes a linearly polarized light 38 rotated by 45 deg. clockwise by being transmitted through a linear polarization means 32 and is reflected and inverted on a reflector 2 and the polarizing direction of the light is again rotated by 45 deg. in clockwise by being again transmitted through the linear polarization means 32 and becomes a linearly polarized light (P wave) 39 whose phase is the same phase as that of the P wave 36 and is synthesized on the same optical axis as that of the P wave 36 by being transmitted through the dielectric multilayer film 46 of the beam splitting means 40.
Patent JP-H02170934-A (JP)
Title: Copper alloy having superior direct bonding property
Inventor: TSUJI MASAHIRO
IPC: C22C9/00
Filed: 1988-12-24
Abstract: PURPOSE:To provide the copper alloy for lead frame applicable to all semiconductor products by specifying the surface hardness and the center line average height and maximum height of surface roughness of a copper alloy containing specific amounts of Ti, respectively. CONSTITUTION:This copper alloy is prepared by regulating the surface of an alloy material having a composition consisting of 0.2-4.0wt.% Ti and the balance Cu so that surface hardness is >=Hv150 and also surface roughness is <=0.15mu by center line average height Ra and <=0.8mu by maximum height Rmax. In the above alloy, high strength cannot be obtained when Ti content is below the lower limit, and, when it exceeds the upper limit, workability and solderability are deteriorated. Further, when the values of the above Hv, Ra, and Rmax are <150, >0.15mu, and >0.8mu, respectively, the adhesive strength of bonding wire is deteriorated and, as a result, there are cases where peeling is brought about in a resin sealing stage, etc.
Patent JP-H04198297-A (JP)
Title: Magnetic fluid composite material
Inventor: TSUTAOKA TAKANORI
IPC: C10N40/14
Filed: 1990-11-27
Abstract: PURPOSE:To enlarge the viscosity increase caused by a magnetic field and permit controlling the damping force with the viscosity coefficient by adding specific nonmagnetic particulates to a magnetic fluid. CONSTITUTION:The title material is prepared by adding to a magnetic fluid 3 nonmagnetic particulates (e.g. PS particulates with particle sizes of 2-8mum) 2 which have particle sizes larger than those with which the fluid 3 can be regarded as a continuous medium and which have a substantially equal specific gravity to the apparent specific gravity of the fluid 3.
Patent JP-H06150330-A (JP)
Title: Optical disk and optical disk device using this optical disk
Inventor: TOGASHI MITSUHIRO
IPC: G11B20/12
Filed: 1992-11-10
Abstract: PURPOSE:To obtain an optical disk and an optical disk device using this optical disk which have a large storage capacity and can be applied to a high speed access. CONSTITUTION:A land section L having a data pit DP and a group section G having a reference clock pit BP are formed in parallel in the direction of a radius, in an optical disk D. A reference clock signal is read out by a spot S1 to which a beam B1 for reading the reference clock signal is condensed, at the same time, data signal is read out by a spot S2 to which a beam B2 for reading data signal, and this return light is condensed to a light detecting section 6. And a return light B1 is inputted to a detecting region 6B, and a return light B2 is inputted to a detecting region 6A. Light intensity of inputted return light is converted to an analog voltage signal in the light detecting section 6, the data signal is detected from the return light B2 and the reference clock signal is detected from the return light B1, and they are outputted.
Patent JP-H11159218-A (JP)
Title: Door latch mechanism for precision substrate container
Inventor: KAMATA TOSHIYUKI
IPC: E05C1/16
Filed: 1997-11-26
Abstract: PROBLEM TO BE SOLVED: To provide a door latch mechanism for a precision substrate container that can uniformly seal a case without anxiety about the generation of particles contaminating precision substrates while being able to expect thinning of door parts. SOLUTION: Door latch mechanism for a precision substrate container is provided with a cover case 1, a door 5 and latch mechanism 14. A rim part 2 of the cover case 1 is provided with a plurality of locking recessed parts 4, and the peripheral surface of the door 5 is provided with a plurality of windows 9. The latch mechanism 14 is composed of a rotating plate 15 that can be operated from the outside, a plurality of latch plates 16 connected to the rotating plate 15 through connecting bars 18 so as to fit locking claws 19 into the locking recessed parts 4 at the time of locking rotation of the rotating plate 15 and to release the locking claws 19 at the time of unlocking rotation of the rotating plate 15, and links 17 piercing the respective latch plates 16. An oscillating inductive protrusion 22 is provided at the back face of each latch plate 16.  A bent part of each link 17 is journalled to the surface side of the door 5 and both free end parts of the link 17 can be brought into contact with the back face of a sliding plate through rollers 23, 23A. The oscillating inductive protrusion 22 and the roller 23A can also be brought into contact with each other.
Patent JP-2000140152-A (JP)
Title: Exercise equipment
Inventor: KITAURA HITOSHI
IPC: A63B21/00
Filed: 1998-11-16
Abstract: PROBLEM TO BE SOLVED: To provide exercise equipment which a user gets on/off easily and stably without uneasiness. SOLUTION: A saddle bar 20 and a handle bar 30 are welded to a base 11 of a main body 10, a saddle 22 is attached to a saddle supporting shaft 21, which can be put in/out to the saddle bar 20, and a handle 32 is attached to a handle supporting shaft 31 which can be put in/out to the handle bar 30. Between the main body 10 and the handle bar 30, a space 40 for getting-on/off is provided and in this space 40, a step 41 is bridged between the saddle bar 20 and the handle bar 30.
Patent JP-H03185620-A (JP)
Title: Magnetic recording medium
Inventor: SAKAMOTO KAZUNORI
IPC: C09D5/23
Filed: 1989-12-14
Abstract: PURPOSE:To obtain good durability by using a specified thermosetting polyurethane resin as the binder resin of a magnetic layer provided on a nonmagnetic supporting body. CONSTITUTION:A magnetic layer essentially consisting of magnetic powder and binder resin are applied on a nonmagnetic supporting body. The polyurethane resin incorporating 300 - 400 OH groups per one gram in terms of the binder resin and having -10 - 20 deg.C glass transition temp. is incorporated with 5 - 6pts.wt. to the magnetic powder. Since the reactivity between the polyurethane resin and a hardening agent is good, the formed magnetic coating film has high resistance against hydrolysis, and the obtd. magnetic recording medium has high rigidity and excellent durability in an environment at high temp. and high humidity.
Patent JP-H03185443-A (JP)
Title: Method for applying transfer agent
Inventor: ASANO TAKAHIRO
IPC: G03C8/00
Filed: 1989-12-14
Abstract: PURPOSE:To improve the out-of-focus of silver patterns by successively pressing a material to be transferred and a negative sheet in a tight contact state from a transfer agent pool. CONSTITUTION:The surface of a substrate 1 on which a sulfide 2 exists and the emulsion surface of the negative sheet 3 are superposed and are brought into tight contact with a tight contact roller 13. The transfer agent pool 15 is crushed by the roller 13 and the transfer agent 9 is emitted. The transfer agent spreads successively between the substrate 1 and the sheet 3 as the roller 13 progresses. The silver halide existing in the unexposed part of the emulsion layer forms water soluble silver thiosulfate by reacting with the sodium thiosulfate contained in the transfer agent 9. This silver thiosulfate react with the sulfide on the substrate 1 and the silver is transferred. The out-of-focus of the pattern of the silver to be transferred is thereby improved.
Patent JP-H03198380-A (JP)
Title: Display and manufacture of display
Inventor: DERIKU UIRIAMU TOMUZU
IPC: G09F9/30
Filed: 1990-11-27
Abstract: PURPOSE: To limit the effect of short-circuiting of a TR on a display by incorporating a resistor element into the transistor TR in a matrix address display. CONSTITUTION: Switchable cells C11, C12, C21, C22 are arranged between first and second plates provided, respectively, with first and second electrodes 3, 5. TRs T11, T12, T21, T22, each having two main electrodes and a gate electrode, are arranged on the first plate and the main electrode is connected with the electrode 3 and address lines 23, 27 while a gate electrode is connected with address lines 25, 23 thus forming a display where the TRs are arranged in matrix. When the gate electrodes are provided in the high resistance regions 33, 35, 37, 39 of the first plate, display trouble due to short-circuiting in the TR circuit has no effect on the TRs in a same row line and adverse effect on the display is limited to the TR where short-circuiting has occurred.
Patent JP-H04207262-A (JP)
Title: Control method for mixed mode terminal equipment
Inventor: TAMURA HIROSHI
IPC: H04N1/00
Filed: 1990-11-29
Abstract: PURPOSE:To quickly record and output a reception image by converting the content of a text block included in transmission document information to raster data, and transmitting it setting as the raster block of the same block as that of an original text block area. CONSTITUTION:The content. of the text block in the document information of a mixed block in which the text block and the raster block are mixed in the same page is converted to the raster data at a transmission side, and is transmitted setting as the raster block of the same block as that of the original text block area. A control method for mixed mode terminal equipment by which reception block data can be recorded and outputted without converting and the reception image can be quickly recorded and outputted can be obtained at a reception side.
Patent JP-H02169633-A (JP)
Title: Fiber-reinforced composite material
Inventor: FUJIMOTO ATSUSHI
IPC: B32B7/04
Filed: 1988-12-22
Abstract: PURPOSE:To obtain the title material which can realize the reduction of vibrations and noises when used in various structures by laminating at least two composite material layers each formed by impregnating a reinforcing fiber with a resin in such a manner that the angles of orientation vary among part or the whole of the layers, inserting viscoelastic material layers between the above layers and integrating the assemblage. CONSTITUTION:At least two prepreg sheets 1 each formed by impregnating an inorganic reinforcing fiber such as a carbon fiber or a glass fiber or an organic reinforcing fiber such as an aramid fiber with a resin such as an epoxy resin are laminated in such a manner that the angles of orientation of the fibers are different among at least part of the layers, and viscoelastic material layers 2 are inserted between at least part of the layers of different angles of orientation. The assemblage is integrated to obtain a fiber-reinforced composite material. This material can realize the reduction of vibration and noises when used in aerospace structures such as artificial satellites and structures such as OA machines, automobiles, commodities for leisure, etc.
Patent JP-H11143010-A (JP)
Title: Silver halide photographic emulsion and photographic sensitive material
Inventor: KAGA MAKOTO
IPC: G03C1/015
Filed: 1997-11-11
Abstract: PROBLEM TO BE SOLVED: To obtain a silver halide photographic emulsion and a photographic sensitive material capable of controlling the gradation of the shoulder parts of sensitometry curve, hardly showing variation in sensitivity and fog during the storage of the sensitive material and excellent in production stability. SOLUTION: The silver halide photographic emulsion used for a silver halide emulsion layer contains >=95 mol.% silver chloride and a compd. added during chemical aging. The compd. allows a sensitometry curve obtd. by optical wedge exposure and processing to satisfy the relation represented by the equation α=γS/γO, wherein γS is gradation obtd. using the added emulsion of the compd., γO is gradation obtd. without adding the compd. and α<1A (gradation is the reciprocal of the difference between exposures giving densities of 0.75 and 1.75 on a sensitometry curve obtd. after optical wedge exposure with neutral light and processing).
Patent JP-H08237206-A (JP)
Title: Bi-directional optical transmission system
Inventor: JIYANNMAAKU PIEERU DERABOO
IPC: H04B10/152
Filed: 1995-12-14
Abstract: PROBLEM TO BE SOLVED: To provide a system, which uses only one wavelength for one optical fiber to perform two-way transmission, and a component device of this system. SOLUTION: In an optical communication system, a 3-port circulator 31 is used for two-way transmission on one optical fiber 7 together with an optical fiber amplifier 33 and a narrow band filter 35 on a customer's private installed device. The fiber amplifier 33 can be pumped locally or remotely. An acousto- optical modulator 39 is effectively used to reduce the coherent Rayleigh noise without tuning the up and down wavelengths.
Patent JP-2001140092-A (JP)
Title: Method and device for barrel-plating resin magnet
Inventor: YOKOMAKURA TAKAO
IPC: C25D5/00
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To form a uniform metal plating layer even on a molding having a intricate-shape part in a short time. SOLUTION: A barrel 14 is placed in a plating tank 12 filled with a plating solution 10, and plural rare-earth bond magnets are set in the barrel 14. A plurality of through-holes 18 are bored in the respective faces of the barrel 14, and the plating solution 10 is circulated through the through-holes 18. A vibrating means 22 for vibrating the solution 10 at a low frequency is provided to the tank 12. The vibrating means 22 is composed of a vibrating motor 24, a shaft 26 connected to the output side of the motor 24 and extending downward and plural vibrating plate 28 vertically furnished to the shaft 26 at a specified distance and in parallel one another. The vibrating plate 28 are vertically reciprocated by the motor 24 for a short distance to vibrate the solution 10 at a low frequency.
Patent JP-H11141398-A (JP)
Title: Piston for internal combustion engine and its manufacture
Inventor: SUZUKI YOSHIHIRO
IPC: B23K26/21
Filed: 1997-11-11
Abstract: PROBLEM TO BE SOLVED: To simply and surely form a cooling cavity and eliminate a cooling effect from being imparied by fittedly attaching a ring carrier in fitting recess part, by forming the cooling cavity constituted of a circumferential groove, and by connecting the ring carrier to a falling-prevention ring. SOLUTION: A fitting recess part 21 is formed in an outer circumferential face of a top surface 11 side of a main body part 10. The fitting recess part 21 is so formed as to be removed into an L-shape along the outer circumferential edge of the top face 11 and a circumferential groove (a cooling cavity) 22 is formed as being opened in the outer circumferential face of the fitting recess part 21. A ring-shaped ring carrier 23 is fittedly attached in the fitting recess part 21 provided with the cooling cavity 22 in its outer circumferential side. A holding groove 31 is formed in a prescribed position on the outer circumferential face of the fitting recess part 21 and a falling-prevention ring 30 which is held by this holding groove 31 is welded and connected to the ring carrier 23. This constitution can prevent the ring carrier 23 from being fallen.
Patent JP-2000149747-A (JP)
Title: Circuit breaker
Inventor: TANIGAWA MITSURU
IPC: H01H39/00
Filed: 1998-11-16
Abstract: PROBLEM TO BE SOLVED: To reduce the size of a structure and its cost by reducing explosive power needed for circuit breaking. SOLUTION: In this circuit breaker a circuit is urgently broken by fracturing a bus bar 20 disposed in the circuit by explosive power of gunpowder of a squib 18. A part of the portion to be fractured of the bus bar 20 is composed of a conductor 30 made of a material having lower fracture strength than that of the material making up the bus bar 20. Or else, a part of the portion to be fractured is cut off and another conductor 30 is fitted into this part.