baber/WOPTO huggingface dataset:
Patent JP-H02183481-A (JP)
Title: Optical recording medium
Inventor: NOSE YASUTO
IPC: G11B7/24097
Filed: 1989-01-09
Abstract: PURPOSE:To make the shape of the boundary part between a blank groove part provided for the inner peripheral part of a medium disk out of its storage area and a mirror part into a recognized circular shape and to improve the accuracy of eccentricity by providing the above-mentioned blank groove part and executing positioning when a hub is joined to the center of the disk by picture-recognizing the boundary between this blank groove part and the mirror part. CONSTITUTION:An optical disk group substrate 1 is made into a prescribed shaped polycarbonate PC substrate manufactured by injection molding, and while a format part and a storing group 2 are formed for this substrate 1 according to the standard of ISO, a blank groove part 3 having a 100mu width is formed for the inside of the innermost peripheral PEP zone. This bit group is transferred from a stamper by the injection molding, the bit group on the surface of the stamper is formed by laser cutting, the 100mu blank groove part 3 at the inside of the PEP zone is formed, and the center of the blank groove part 3 and the center of the storage area are identically formed. Further, when the hub using an insert forming hub 4 is to be fitted, the position of the disk is set by executing picture recognition processing for a boundary 5 between the innermost peripheral blank groove part 3 and the mirror part.
Patent JP-S63170903-A (JP)
Inventor: MITOMO AKIO
IPC: H05B3/00
Filed: 1987-01-08
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H05187459-A (JP)
Title: Hydraulic power transmission joint
Inventor: SUZUKI SATORU
IPC: F16D31/02
Filed: 1992-01-10
Abstract: PURPOSE:To provide a hydraulic power transmission joint used for distributing the driving force of a vehicle, which can save space, and reduce the size and cost. CONSTITUTION:A hydraulic power transmission joint includes a non-magnetic cover 18 which is held in such a manner as to cover a movable magnetic substance 17 and move for a designated distance in the axial direction of a joint and adapted to keep sealing of oil in the interior of the joint and absorb the volume change of sealed oil.
Patent JP-H03207286-A (JP)
Title: Speed control circuit for dc motor
Inventor: KURITA YUKINOBU
IPC: H02P7/288
Filed: 1990-01-10
Abstract: PURPOSE:To prevent flow of an overcurrent to a control IC even if a power source is erroneously connected reversely by connecting a diode from a power source terminal to a fifth terminal for applying a power source voltage to an error detector in a motor control IC. CONSTITUTION:A power source voltage VCC is applied to an error detector 1a through a terminal (5) in a motor control IC 1. A resistor R1 is connected from the terminal (5) to a terminal (l), and a diode 2 is connected from a power source terminal V0 to be connected to the positive side of a power source to the terminal (5). The diode 2 is forward from the terminal V0 toward the terminal (5). If the terminal V0 is now connected erroneously reversely to a terminal GND to the power source, the diode 2 prevents flow of an overcurrent to the terminal (5) and prevents flow of a current to the terminal, thereby preventing damage of the IC 1.
Patent JP-H01182131-A (JP)
Title: Transmission gear for automobile
Inventor: KATAYAMA KAZUO
IPC: F16H61/26
Filed: 1988-01-09
Abstract: PURPOSE:To prevent a shift rod from being retired greatly and absorb an impact load by sticking the detent plate of a transmission gear of an column shift type automatic speed changing device to a shift rod near the position in front of a connecting bracket. CONSTITUTION:A detent plate 29 is stuck to a shift rod 3 near the position in front of a bracket 20 which connects the shift rod 3 to a steering column 2 to hold said rod 3, thereby defining a detet part 7 for the speed changing operation. When an impact load that moves back the shift rod 3 at the collision of a vehicle is applied, the detet plate 29 comes in contact with the front face of the connecting bracket 20 to restrict the rear movement of the shift rod 3. Using such simple constitution, the shift rod 3 may be prevented from great retirement at the collision of the vehicle and at the same time, a bending force acts on the shift rod 3 at the fructrum of the detent plate 29 to deform the shift rod 3, whereby absorbing the impact load at the time of the collision.
Patent JP-S62162051-A (JP)
Inventor: TERASAKI KAZUNORI
IPC: D03D51/00
Filed: 1986-01-09
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S56101047-A (JP)
Title: Apparatus for preventing icing of carburetor
Inventor: KOSUGI YOSHIKI
IPC: F02M31/00
Filed: 1980-01-14
Abstract: PURPOSE: To prevent overheating of a carburetor, by providing a thermally deformed member at a connecting portion of the carburetor and a heat transfer member in an apparatus for preveting icing of the carburetor by transmitting heat produced at a heat emitting portion of a vehicle to the carburetor via the heat transfer  member.  
     CONSTITUTION: When an engine 10 for use in a motor cycle or the like is started and the temperature of exhaust pipe 20 is raised, heat of the exhaust pipe 20 is transmitted via a ring 24 to a heat pipe 22 and then to an arm 26 at the upper end of the heat pipe 22. When the temperature of arm 26 is lower than a certain level, the arm 26 is held in contact with the outer surface of a guide sleeve 28 of a carburetor 12 by the force of a spring 30, so that the guide sleeve 28 is heated and prevented from icing. Subsequently, when the guide sleeve 28 is heated to a temperature higher than the certain level, deformation of a bimetal 32 is caused, so that the arm 26 is detached from the outer surface of guide sleeve 28 against the force of spring 30. Therefore, heating of the guide sleeve 28 is stopped and boiling of fuel in the sleeve 28 can be prevented. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-2000206206-A (JP)
Title: Ic tester
Inventor: ISHIBASHI MASAHIRO
IPC: G01R31/316
Filed: 1999-01-08
Abstract: PROBLEM TO BE SOLVED: To inspect with description of an easy test program by interposing a memory means between an A/D converter and a signal-processing means and delivering data in conformity with an operation timing of the A/D converter and signal-processing means. SOLUTION: A signal from an output signal-processing part 4 is sent to an A/D converter 5 and A/D converted with a timing of a strobe signal STB 2. After an A/D conversion time has passed, the A/D converted data is stored according to a delay signal of a delay means 11 into a memory means 10 consisting of, e.g. a first-in first-out memory. The data stored in the memory means 10 is read out by a strobe signal STB 3. After a read time of the memory means 10 has passed, the read data is taken into a signal-processing means 6 by a delay signal of a delay means 12. The delay means 11 and 12 are constituted of, for example, delay lines. A range of the number of delay rates of a data fetch timing of the signal-processing means 6 can be enlarged accordingly.
Patent JP-S56101345-A (JP)
Title: Stator of electric rotary machine
Inventor: NAGAO TAKAYUKI
IPC: H02K1/18
Filed: 1980-01-17
Abstract: PURPOSE:To enable the laminating work of stator core of the electric rotary machine without using a drum type cradle and outside pressing plates by a method wherein radial directional notch grooves are provided on the side faces of plural ribs for the lamination of core, and interim pressing plates to be used for the lamination of core are equipped. CONSTITUTION:The stator of electric rotary machine is constituted of the lamination of electrical sheets 2 in a stator frame 1. The laminating work of the sheets 2 is performed as follows. The stator frame 1 is set up in chimneylike, and the sheets 2 are laminated from the lower side in order. When the thickness of core is large, it is necessary to make the sheets to be acclimated by applying a pressure in the midst of lamination. In this case, the notch grooves 7 are provided preliminary in the ribs coming in contact with the back part of the stator core, the interim pressing plates 8 are equipped in the notch grooves 7, a pressure oil jack 3 is provided meanwhile, and the stator core is tightened by the oil pressure from a pressure oil pump 9 to be formed in the prescribed thickness. This process is repeated in order to constitute the stator core.
Patent JP-H03207421-A (JP)
Title: Nitrogen concentrator and method for concentrating nitrogen in vessel
Inventor: KOBAYASHI TAKAKI
IPC: B01D53/22
Filed: 1990-01-10
Abstract: PURPOSE:To increase the nitrogen concn. in a short time by arranging a membrane chamber having a gas inlet and outlet and a membrane chamber having a gas separation module with a flat gas separation membrane having a higher permeation rate for oxygen than for nitrogen in between. CONSTITUTION:An unpermeated gas chamber 2 having a gas inlet 2a and an unpermeated gas outlet 2b and a permeated gas chamber 3 having a permeated gas outlet 3a are arranged with a flat gas separation membrane 1 having a higher permeation rate for oxygen than for nitrogen in between to constitute a gas separation membrane module 11. The nitrogen concentrator 6 is formed with the module 11, a vacuum pump 4 for evacuating the chamber 3 and a pump 5 for supplying air to the chamber 2. The pump 5 is driven by a DC motor, the amt. of air to be supplied is changed by changing the voltage. The concn. of nitrogen in the vessel is easily adjusted by the concentrator 6.
Patent JP-H05186106-A (JP)
Title: Carrying device
Inventor: HIRAHARA HIDEFUMI
IPC: B41F13/06
Filed: 1992-01-10
Abstract: PURPOSE:To attain a traveling body of chain system with low traveling resistance. CONSTITUTION:Plural links 44 provided with bearings 43 which protrude at both sides of a spherical bush 42 outward to be supported at its one end, and holding parts 45 which holds both sides of the spherical bush 42 at the other end are connected with each other through a pair of right and left rotating rollers 46 with larger diameter than the link 44 disposed outside the holding part 45 and pins 47 which are inserted in the spherical bush 42, by which a traveling body 41 is formed, and the traveling body 41 is made to be guided at a guide rail 50 through the rotating roller 46.
Patent JP-H04236152-A (JP)
Title: Spindle motor
Inventor: TSUKADA MITSUYOSHI
IPC: H02K21/22
Filed: 1991-01-16
Abstract: PURPOSE:To realize both high starting torque and high speed rotation by varying the length of gap between a stator and a rotor according to the rotation. CONSTITUTION:A magnet assembly 2 comprising a rotor magnet 2b and a rotor frame 2a is disposed oppositely to a stator core 4. The magnet assembly 2 is coupled through a spring 3 with a hab 1. When a spindle motor halts, no centrifugal force is exerted on the magnet assembly 2 and the spring 3 is not displaced thus minimizing an air gap delta. Upon rotation of the spindle motor, centrifugal force is exerted on the magnet assembly 2 and the spring 3 is displaced. The air gap delta is increased as the rotational speed increases thus realizing high speed rotation.
Patent JP-S59127301-A (JP)
Inventor: ARAKAWA KOUICHI
IPC: G10L15/00
Filed: 1983-01-10
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H08194972-A (JP)
Title: Optical disc and production thereof
Inventor: OHIRA HIROYUKI
IPC: G11B7/24027
Filed: 1995-01-12
Abstract: PURPOSE: To indicate a pattern of large character, for example, clearly by employing a double-sided optical disc having an information record disc part and a dummy disc part. CONSTITUTION: The optical disc 42 is a double sided disc where an information record disc part 12 and a dummy disc part 11 are bonded through an adhesive layer 5. The information record disc part 12 comprises a substrate 8 having one side provided with a row of information pits 10 for forming a concentric or spiral recording track, a reflection layer 7 and a protective layer 6. The dummy disc part 11 comprises a substrate 2 having one side provided with a group of dummy pits 9 having no relation to the information signal, a reflection layer 2 provided on the pit forming face of the substrate 2, and a protective layer 4. Contrary to the conventional art, a visible pattern is formed by a group of dummy pits formed on the other recording face different from the information recording face, and a pattern of large character can be indicated clearly, for example.
Patent JP-S62163474-A (JP)
Title: Fitting mechanism for solid-state image pickup element
Inventor: NODA KOSAKU
IPC: H04N5/335
Filed: 1986-01-13
Abstract: PURPOSE:To simplify the position adjustment of a solid-state image pickup element and the squareness adjustment to a lens optical axis by attaching a solid-state image pickup element holding body to a lens barrel mount part with an adjusting screw through a spring, and providing a flange-shaped control on the adjusting screw. CONSTITUTION:A solid-state image pickup element 1 is fixed to a structure body by a screw 2. The structure body 3 is attached through a coil spring to a female screw 6a of a mount part of a lens barrel 6 with a stepped screw 4 and two pieces of adjusting screws 5. By screwing in the stepped part of the screw 4 until it abuts on the amount part of the lens barrel 6, the fitting position of the image pickup element 1 can be adjusted exactly to some extent before the adjustment. An adjustment for making the image pickup surface of the image pickup element 1 vertical to the lens optical axis can be executed by turning a flange-shaped control 5a which is provided on the periphery of a head part of two pieces of adjusting screws 5, from the horizontal direction of the lens barrel 6.
Patent JP-H09200671-A (JP)
Title: Camcorder with tv tuner
Inventor: ISHIZUKA AKINOBU
IPC: H04N5/76
Filed: 1996-01-12
Abstract: PROBLEM TO BE SOLVED: To obtain the camcorder capable of preventing failed video recording due to an exhausting battery on the way of video recording by inhibiting timer reservation for a prescribed time or over when a battery is employed for the power supply. SOLUTION: A power supply circuit 3 discriminates whether a power supply at present employs an AC adaptor 1 or a battery 2 and gives a discrimination signal 4 to a system controller 5. In the case of receiving power supply from the AC adaptor 1, a timer reservation from a reservation input device 12 is accepted. In the case of receiving power from the battery 2, the controller 5 accepts video recording reservation when the time of video recording is within a TV video recording available time by the battery but inhibits the time exceeds the available time.  Furthermore, in the case of reservation video recording, a control signal 9 is used to activate a TV tuner 6, a signal processing circuit 7, a recorder 8 but a liquid crystal display device 10 and a back light inverter 11 are inactive to reduce the power consumption at reservation video recording thereby extending the battery duration time.
Patent JP-S63172501-A (JP)
Title: Antenna switching circuit
Inventor: OKAWA AKIHISA
IPC: H01P1/15
Filed: 1987-01-09
Abstract: PURPOSE:To reduce the cost of an antenna switching circuit by providing >=2 distributed constant lines being selectable and used in different frequencies and a selecting means selecting one of the distributed constant lines on a thick film substrate. CONSTITUTION:Conductor parts 2a-2e formed on a ceramic base 1 form two kinds of distributed constant lines. Then the antenna switching circuit is constituted by connecting the conductor parts 2a, 2c, and the conductor parts 2a, 2d and the conductor 2a and a diode 3b formed on the conductor part 2e by means of a wire 5 being a selecting means. Thus, in using the circuit in a different frequency, the lambda/4 line length is varied while using one and ceramic base 1 is used by having only to change the connecting position of the wire 5. Thus, the cost of the antenna switching circuit is reduced.
Patent JP-S56101728-A (JP)
Title: Winding for rotary electric machine
Inventor: YOSHIDA KATSUHIKO
IPC: H01F27/32
Filed: 1980-01-18
Abstract: PURPOSE:To easily remove the winding from an iron core by winding a releasable tape on the outer periphery of the insulator at the linear part of the winding. CONSTITUTION:The insulator 3 is provided on a conductor 2 associated within the slot 1 of the iron core, and a slit wedge 4 is fitted thereto. When the coil is associated, the releasable tape 5 is wound on the outer periphery of the insulator of the linear part of the winding. Since a releasable layer is formed on the winding thus insulated and immersed under pressure in vacuum and thermally cured, when the slot wedge 4 is axially pulled out at the time of changing the insulation and of repairing the insulation, the coil conductor 2 may be pulled upwardly of the drawing from the slot 1 without deforming the conductor 2. Teflon tape or the like may be used as the tape 5.
Patent JP-S5287495-A (JP)
Title: Preparation of polyesters
Inventor: TOKIYAMA YASUHIRO
IPC: C08G63/78
Filed: 1976-01-16
Abstract: PURPOSE: To prepare a polyethylene terephthalate with a good color tone and transparency by the polycondensation of bis(β-hydroxyethyl) terephthalate in the presence of an antimony compound and a specific phosphorus compound as a catalyst. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11202999-A (JP)
Title: Image display device
Inventor: WATANABE YOSHIKI
IPC: G06F3/0484
Filed: 1998-01-12
Abstract: PROBLEM TO BE SOLVED: To improve convenience by preparing and setting the information of a new video display position while reflecting reference information in the main body of display device with a moving direction and a moving amount analyzed from input information with the information in the main body of display device set as a current video display position as a reference. SOLUTION: A control command (moving amounts in X and Y directions and click button information) is outputted from a mouse to a main body 1, of image display device. Then, an input information part 8 dispatches the received control command to an information analytic part 9 and the information analytic part 9 analyzes whether that command shows the selection of a menu item for picture control or a change amount corresponding to the current picture control menu item. Then, the analyzed result is converted into data for the control of the main body of image display device by a data converting part 10 for control, the data converted by the data converting part 10 for control are set by a control data setting part 11 and based on the set information, a video display part 12 displays a video.
Patent JP-S5497467-A (JP)
Title: Speed measuring apparatus of magnetic object
Inventor: KUMAGAI TAKESHI
IPC: G01P3/66
Filed: 1978-01-18
Abstract: PURPOSE: To measure the moving speed of magnetic object accurately in non- contact state, without influences due to fluctuations of passing position, by passing the magnetic object to be measured through an air core coil.  
     CONSTITUTION: When the head of a magnetic object 9 enters an air core coil 1, the impedance of the coil 1 changes, so that the balance of a bridge 17 is broken. As a result, a detection signal (a) is supplied into an amplifier 4. In consequence, a monostable multivibrator 5 emits a measurement start pulse (d) to a counter 6. when the head of the magnetic object 9 reaches an air core coil 2 provided at a certain disance l, a measurement stop signal (e) is supplied to the counter 6 through the monostable multivibrator 5. An operator 8 reads the measured volue (c) sent from the counter 6, and calculates the time required for passing between air core coils 1, 2 from the clock period which is prelimiarily stored. Then,  the speed of the object 9 is determined from the certain distance l, and is displayed in a display device 12. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5389661-A (JP)
Title: Semiconductor devcice
Inventor: MATSUZAKI HITOSHI
IPC: H01L23/34
Filed: 1977-01-19
Abstract: PURPOSE: To prevent curving and deterioration at high temperature and prolong service life by interposing an auxiliary metal plate having the same coefficient of thermal expansion as that of a cooling metal substrate between a ceramic insulation plate and a semiconductor element. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S59128450-A (JP)
Title: Speed sensing apparatus
Inventor: AMANO HIROYUKI
IPC: H01H36/00
Filed: 1983-01-13
Abstract: PURPOSE:To attain to reduce the wt. of a speed sensor and the miniaturization thereof, by performing the earthing treatment of the lead switch for a speed sensor mounted in a housing made of resin through the metal plate integrally fixed to said housing. CONSTITUTION:A reed switch 3 for measuring a speed in responce to the change in the magnetic flux caused by the permanent magnet attached to a transmission gear is mounted in the speed sensor 1 mounted to a transmission housing H. This sensor 1 is formed of a housing 2 made of resin and the earthing treatment of a switch 3 is performed through the metal plate 6 integrally fixed to a part of the housing 2. By constitution using the housing made of a resin material easy and certain to perform the earthing treatment, the miniaturization and wt. reduction of a speed sensor apparatus can be achieved.
Patent JP-S63176397-A (JP)
Title: Production of iii-v compound semiconductor single crystal
Inventor: KATSUMATA TORU
IPC: C30B27/02
Filed: 1987-01-13
Abstract: PURPOSE:To obtain the titled single crystal having high quality and low point defect concentration, by using a specific group III-V molten liquid and a raw material for the control of the quantity of molten liquid and having similar composition to the single crystal to be produced and constantly keeping the raw material at a position immersed in the molten liquid. CONSTITUTION:The titled single crystal is produced by liquid-encapsulated Czochralski process comprising the charge of a compound semiconductor raw material and a liquid encapsulant into a crucible, heating of the crucible to effect direct synthesis of the semiconductor, melting of the product, contact of a seed crystal to the molten liquid and pulling up of the seed crystal to form a single crystal. The process is carried out as follows. The molten liquid has a group III-V composition to give a melting point equal to 0.55-0.65 times the melting point of congruent composition. A group III-V single crystal or polycrystal having nearly the same composition as the single crystal to be produced is used as a raw material for the control of the quantity of the molten liquid, the raw material is maintained at a level constantly immersed in the molten liquid and a single crystal is produced while melting the raw material for the control of the quantity of the molten liquid. The process enables the production of a GaAs single crystal having low dislocation density and free from compositional defect which cannot be produced by conventional process.
Patent JP-H08194418-A (JP)
Title: Cleaning device of image formation body
Inventor: NAKAMURA TERUO
IPC: G03G21/10
Filed: 1995-01-13
Abstract: PURPOSE: To provide a cleaning device which is compact and can clean residual developers of positive and negative polarities. CONSTITUTION: A cleaning device of an image formation body is provided with a photoreceptor layer 4 and a cleaning brush roller 124 which rotate and are in contact each other by a predetermined nip width, an alternating current power supply 131 which applies positive and negative voltages on the cleaning brush roller 124 at least once per voltage during an interval from the time when any part of the photoreceptor layer 4 comes into contact with the cleaning brush roller 124 until it leaves the cleaning brush roller 124, and a recovery roller 128 which is provided in contact with the cleaning brush roller 124 and recovers developer that the cleaning brush roller 124 recovers from the photoreceptor layer 4 from the roller 124.