baber/WOPTO huggingface dataset:
Patent JP-2001050704-A (JP)
Title: End detector for conductive object
Inventor: SHIMOTORI AKIRA
IPC: G01B7/00
Filed: 1999-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a device for detecting an insertion amount of a conductive object between electrodes without being affected by the circumferential situation. SOLUTION: This end detector for a conductive object comprises a transmitting electrode 2 mounted in parallel to the moving direction of an end of a conductive object 1, a receiving electrode 3 mounted oppositely to the transmitting electrode 2 through the conductive object 1, a power source 4 for applying an AC signal S1 of frequency f1 and an AC signal S2 of frequency f2 to the transmitting electrode 2, and a detecting means for detecting an insertion amount of the end of the conductive object 1 between the transmitting electrode 2 and the receiving electrode 3 on the basis of the electric current I1 of frequency f1 and the electric current I2 of frequency f2 produced on the receiving electrode 3, a electric line of force produced by the AC signal S1 is a distribution of the density continuously and monotoneously increased in the end moving direction of the conductive object 1,  and a electric line of force produced by the AC signal S2 is a distribution of the density, having the inverse shape of that of the electric line of force produced by the AC signal S1.
Patent JP-H1110692-A (JP)
Title: Device and method of controlling moving amount of mold opening of movable platen and injection and compression molding method
Inventor: YAMADA KATSUAKI
IPC: B29C45/70
Filed: 1997-06-20
Abstract: PROBLEM TO BE SOLVED: To detect the moving amount of mold opening of a movable platen at injecting resin with a high accuracy. SOLUTION: When injection of resin into a molding cavity C is started, a movable platen 2 is moved so as to open a mold by the pressure of resin and a piston 1a is retreated whereby working fluid in a mold clamping side oil chamber 1c flow into the oil chamber 17d of an auxiliary cylinder 17 and another piston 17a is retreated. When the piston 17a is retreated and is abutted against a stopper 25 to stop the piston 17a, a signal is outputted from a detecting switch 26 and immediately after outputting the signal, the solenoid (a) of a solenoid switching valve 23 is demagnetized. After a predetermined period of time, the pressure of working fluid of an oil pressure source 14 is switched from a low pressure to a high pressure and the solenoid (a) of another solenoid switching valve 11 is excited to clamp molds 4, 5 again with a high pressure.  The moving amount of the piston 17a is bigger than that of the piston 1a whereby the amount of mold opening movement of the movable platen 2 can be detected with a high accuracy.
Patent JP-S6225527-A (JP)
Title: Signal transmission equipment
Inventor: INOUCHI SHIGERU
Filed: 1985-07-25
Abstract: PURPOSE:To constitute simply a network by providing two connectors inputting/ outputting an input/output data and a control signal to/from a transmission equipment and a means transmitting/receiving the data via a signal transmission medium. CONSTITUTION:The signal transmission equipment 1 is provided with other signal transmitter (not shown), a transmission section 7 and a reception section 8 transmitting/receiving a data signal via signal transmission media 11, 12, which are connected to terminals 2, 3. Further, the 1st connector 4 connected to a signal processing unit or the other signal transmitter (both not shown) and the 2nd connector 5 connected to the other signal transmitter (not shown) are provided. A data from the transmission section 7, the reception section 8 and the connectors 4, 5 are switched by a signal changeover section 8 under the control of a control section 9. In using the plural number of equipments 1, the network is constituted simply.
Patent JP-H065718-A (JP)
Title: Semiconductor device
Inventor: ORITA SHIROHIKO
IPC: H01L21/3205
Filed: 1992-06-23
Abstract: PURPOSE:To reduce a contact resistance in a contact hole and in a through hole by a method wherein a barrier layer which is formed between a semiconductor substrate or a first conductive layer and a second conductive substance is formed of an RuO2 film as a single layer. CONSTITUTION:An SiO2 film is formed on a silicon substrate 1; a contact hole 3a is made in the SiO2 film 2. An RuO2 film 4 is formed in the contact hole 3a on its bottom and on its whole side face; in addition, tungsten 5 is buried and installed. An Al wiring 6 as a metal wiring is formed on the SiO2 film 2; the silicon substrate 1 and the Al wiring 6 are connected by a layer composed of the RuO2 film 4 and the W 5 which have been former inside the contact hole 3a. As a result, an etching and working operation in the manufacturing process of the title device becomes easy as compared with that of a laminated structure composed of two layers or higher. Since the RuO2 film is a single layer, its film thickness and its resistance can be controlled easily and its uniformity inside a face can be obtained.
Patent JP-H064962-A (JP)
Title: Recording medium changeable type magnetic disk device
Inventor: OBA SADAO
IPC: G11B17/043
Filed: 1992-06-23
Abstract: PURPOSE:To prevent a head from being damaged due to collision with a shutter in the recording medium changeable type magnetic disk device equipped with the shutter in a part of a head disk accessing window provided on a head arm assembly storeroom at the time of closing the shutter due to malfunction, etc. CONSTITUTION:The head arm assembly 18 is provided with a projection 28 to be abutted against the shutter 21. Moreover, a part of the shutter 21 opposite to this projection is provided with an elastic member 24. In addition, a part of the shutter 21 to abut the head disk accessing window 20 is provided with an elastic member 25. Furthermore, a roller 31 is provided on a part where the shutter is spread out by a cartridge tray 29.
Patent JP-S6057971-A (JP)
Title: Manufacture of semiconductor device
Inventor: SAIGOU TAKASHI
IPC: H01L29/78
Filed: 1983-09-09
Abstract: PURPOSE:To obtain an MOS semiconductor device of high reliability enabled to be formed in high deisnity, in high integration and to act in a high speed by a method wherein high concentration impurities are introduced using a gate and a film on the side wall of the gate as masks to form high concentration diffusion layers. CONSTITUTION:After a gate oxide film 2 and a gate electrode 3 are formed on a P-type substrate 1, phosphorus ions are implanted to form low concentration diffusion layers 4. Then after a nitride film 5 is adhered, a resist 6 is applied, and the resist on a source region and on a gate region in the neighborhood of the source is removed. Then the nitride film 5 is removed according to CDE using the resist 6 as a mask, and the resist 6 is removed. When RIE is performed moreover, the nitride film 5 is left only at the side wall part of the gate. Then when arsenic ions are implanted using the gate electrode 3 and the nitride film 5 as masks, a high concentration diffusion layer is formed on the source side, a low concentration diffusion layer is formed in the neighborhood of the gate on the drain side, and a high concentration diffusion layer is formed at a part saparated a little from the gate on the drain side. Then after a CVD-SiO2 film 8 is adhered, contact holes are opened, and an Al wiring is patterned to form a gate wiring 9, a source wiring 10 and a drain wiring 11.
Patent JP-H09329118-A (JP)
Title: Torque fastening bolt
Inventor: TANAKA SHIGEFUMI
IPC: F16B31/02
Filed: 1996-06-05
Abstract: PROBLEM TO BE SOLVED: To facilitate tightening work, and introduce certainly a predetermined tightening torque by opening a fastening hole in the top surface of a head, and forming projections which collapse when the predetermined tightening torque is applied thereto, around the inner circumferential surface of the fastening hole. SOLUTION: A bolt is formed of a head 11, a shaft 12 and a screw part, and the head 11 is formed into a cylindrical shape and made not to be removed by a wrench and a spanner in the case that it is used for a burglarproof purpose. A fastening hole 14 is opened in the top surface 11a of the head 11, and projections 14a which collapse when a predetermined tightening torque is applied thereto, are formed around the inner circumferential surface of the fastening hole 14. The projections 14a can be arranged by forming serrations around the inner circumferential surface of the fastening hole 14. A fastening jig 5 has a shape that can be matched to the uneven shape of the inner circumferential surface of the fastening hole 14, and is used which has larger hardness than a bolt member.  The fastening jig 5 is inserted in the fastening hole 14 and rotated, and the bolt is fastened until the projections 14a collapse and the fastening jig 5 is idled. Hereby, the predetermined torque can be applied to the bolt so that the bolt can be tightened to a fastened member.
Patent JP-H10340577-A (JP)
Title: Semiconductor memory
Inventor: IKEDA YASUMI
IPC: G11C11/403
Filed: 1997-06-06
Abstract: PROBLEM TO BE SOLVED: To prevent data stored in the row of a memory cell from being lost occasionally by automatically refreshing for a number of refresh times not being executed at the time of executing refresh by generating an address signal and a clock signal in an internal circuit succeeding to the distributed refresh. SOLUTION: A CBR detecting circuit 10 detects that a signal RAS keeps a low level exceeding a previously determined time tW from the fall time of the row address strobe signal RAS after a column address strobe signal CAS becomes a low level and the operation of a self refresh mode is started. An oscillator A14 holds in advance a number of refreshing times whose internal refresh is not executed by the existence of the time tW and executes the refresh in the row of a memory cell in which internal refresh is not executed. Consequently, data stored in the row of the memory cell are maintained.
Patent JP-H11352040-A (JP)
Title: Material-testing machine
Inventor: TAKAHASHI NOBUNARI
IPC: G01N3/02
Filed: 1998-06-12
Abstract: PROBLEM TO BE SOLVED: To accurately measure material characteristics from an unloaded state by canceling a load that is applied to a sample due to a control system for controlling the operation of a loading means, when fitting the sample between chucks. SOLUTION: A material-testing machine consists of a pair of chucks 9 for retaining a sample S and a ram 3, that is operated by an oil pressure from a hydraulic servo valve 12 while they are provided oppositely, and a load is applied to the sample S by the ram 3 through the chucks 9. The machine is provided with a hydraulic servo feedback control circuit for performing feedback control of the operation of the hydraulic servo valve 12, while following the difference between the load which is applied to the sample S and a target value and the difference between the displacement of the ram 3 and its target value. A specific mode is set to a control part 13, and the chucks 9 are positioned at a specific position to chuck the sample S.  When the load is detected by the sample S, the ram 3 is controlled in a specific mode, the sample S is fitted between chucks 9 while canceling the load, and the ram 3 is controlled under specific conditions, thus conducting material testing.
Patent JP-H08229059-A (JP)
Title: Thigh prosthetic leg
Inventor: HAGIWARA SHIYUUJI
IPC: A61F2/60
Filed: 1995-06-30
Abstract: PURPOSE: To make a leg frame lightweight without reducing its strength by burying a knee joint bearing member integrally formed with a stopper restricting the rotation of a socket section when a foot is erected or a knee is folded in the leg frame so that the stopper is protruded on the inner face of the leg frame. CONSTITUTION: A leg frame 1 incorporates a drive mechanism interlocking a leg section with the walking action of a thigh section at the time of a walk, its rear section is opened for connecting a drive mechanism and a socket section fitted to the thigh section, and the knee joint portion of the leg frame 1 has a nearly U-shaped cross section. An opening section 2 coupled with a knee joint bearing member 4 is opened on the knee joint portion at the upper section of the leg frame 1. The knee joint bearing member 4 is integrally molded with a nearly egg-shaped noncircular projection 7 and a disk, and a fixed side stopper section 16 made parallel with a fixed side stopper face when a leg is erected or a knee is folded is provided in the suspended state from the disk.
Patent JP-H0512937-A (JP)
Title: Manufacture of flat cable with shield
Inventor: WATANABE MASAHIRO
IPC: H01B13/00
Filed: 1991-07-05
Abstract: PURPOSE:To prevent defects in a shield tape in advance by applying a high frequency signal to a conductor in a flat cable, detecting the high frequency signal leaking from the cable conductor, and automatically controlling a shield tape forming device. CONSTITUTION:A flat cable 2' fed from a delivery machine 2 is formed by a shield tape forming device 9 while a shield tape 1' being vertically added around its periphery. A leakage signal detecting device 10 is mounted outside a completed flat cable 5. Whereas, the conductor of the cable 2' is delivered while feeding high frequency signal. As the result, when there exist defects in the shield tape or slight nonconformities in the shield, the leakage signal leaking from the corresponding parts is received by the detecting device 10. The signal 15 received by the detecting device 10 is transmitted to a control signal generating device 14 without delay, and a control signal 16 being transmitted to a forming device 9 so as to adjust the forming of the shield tape in such a manner it becomes normal shape.
Patent JP-H0911600-A (JP)
Title: Plate making printer
Inventor: FUKAI SHIGEKI
IPC: B41L13/14
Filed: 1995-06-30
Abstract: PURPOSE: To correct the wrinkles or oblique running generated in screen printing stencil paper before plate making in a screen printing type plate making printer. CONSTITUTION: Roll-shaped screen printing stencil paper is housed in a stencil paper housing part A and a platen roller 31 and a thermal head 30 perform the plate making of the screen printing stencil paper S. The thermal head 30 can move upwardly from a plate making position. The screen printing stencil paper subjected to plate making is fed by a pair of feed rollers 40, 50 and cut by a stencil paper cutter part 60 and wound around a plate cylinder 2 to be subjected to printing.  When the thermal head 30 is separated from the platen roller 31 to be present thereabove prior to the plate making of the screen printing stencil paper S by the thermal head 30 and the platen roller 31, a pair of the feed roller 31 are driven to apply predetermined tension to the screen printing stencil paper S standing by for a next plate making process and, therefore, the wrinkles or the oblique running generated in the screen printing stencil paper S can be corrected.
Patent JP-S5688250-A (JP)
Title: Mass spectrograph
Inventor: ASADA TOORU
IPC: G01N27/62
Filed: 1979-12-20
Abstract: PURPOSE:To keep the mass number width of the spectrum independently of the center of mass number by utilization of information about the magnetic field intensity to change the ion accelerating voltage sweep width automatically. CONSTITUTION:A DC souce 10 generates a magnetic field intensity signal which corresponds to the magnetic field intensity B1 to give central mass M1, an exciting source 8 generates a magnetic field intensity signal which corresponds to the magnetic field intensity B2 to give central mass number M2 set at that time, and an atutenator 14 is so set that a voltage sweep width DELTAV1 to give a prescribed developed mass number width at the central mass number M1 is drawn out. Outputs of a deviding circuit and squaring circuit become B1/B2 and (B1/B2)<2> respectively, an output of a multiplier 12 DELTAV2 becomes (B1/B2)<2>DELTAV1, and the developed mass number width is maintained at equal value of the width at the central mass number M1 even when the magnetic field B2 is changed optionally and the central mass number M2 is set at an optional value.
Patent JP-S5687659-A (JP)
Title: Electroless plating device
Inventor: HINOHARA SOUICHI
IPC: C23C18/31
Filed: 1979-12-20
Abstract: PURPOSE: To prevent plating metal from depositing and sticking on a plating cell by connecting a DC power source between the conductive material installed in the plating cell and said cell and flowing microcurrent during the operation of electroless plating in an elecroless plating cell.  
     CONSTITUTION: An inside plating cell 13 having multiplepores 18 made of an electrical insulating material is disposed in an electroless plating cell 12, and a conductive material 15 is disposed in the clearance 14 between both plating cells 12, 13. An electroless plating soln. is put into both plating cells 12, 13, and the object to be plated is put into the inside plating cell 13, whereby a plating layer is formed nonelectrolytically on the surface of the object to be plated. At this time, in order to prevent the plating metal from sticking on the surface of the plating cell 12, too, in the electroless plating, the negative pole and positive pole of a DC power source are connected to the conductive bar 15 in the plating soln. and the clip 17 mounted on the plating layer 12 stick on the conductive bar 13 of negative electrode and do not stick on the plating cell 12, thus there is no waste of the plating soln. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S6410133-A (JP)
Title: Thermistor unit
Inventor: MITOMO AKIO
IPC: G01K7/22
Filed: 1987-07-02
Abstract: PURPOSE:To improve durability by forming a protective coating layer on the surface of the outermost shell of a thermistor unit including a thermistor element and metallic posts by electrostatic painting of a powder resin. CONSTITUTION:A pair of electrode bodies 2, 3 consisting of Dumet wire are pinched and provided on both faces of a heat sensitive element 1 which consists essentially of a transition metal oxide and has a negative resistance temp. characteristic and are sealed by an enclosure 4 consisting of glass to constitute the thermistor element 5. The element 5 is supported and electrically connected by the metallic posts 6, 7 held upright in parallel by means of base bodies 8 having a heat resistant insulating characteristic. The protective coating layer 9 is formed on the surfaces of the thermistor element 5 and the metallic posts 6, 7 by electrostatic painting of the resin powder having the resistance to heat, water and corrosion as well as insulating characteristic. The durability of the thermistor unit is thus improved.
Patent JP-H1013317-A (JP)
Title: Adaptive equalizer
Inventor: KUBO MITSUO
IPC: H03H21/00
Filed: 1996-06-26
Abstract: PROBLEM TO BE SOLVED: To reduce hardware quantity required for multiplication by sharing a complex multiplying circuit in a replica signal generating part and a transmission path distortion estimating part. SOLUTION: Change-over circuits 133, 115 and 121 are changed-over into a replica signal generating period and a transmission path distortion estimating period by time division by a change-over signal. A transmission candidate vector and transmission path distortion information are inputted in the replica signal generating period, and the replica signal is generated by convolution using the complex multiplicating circuit 114 and an adding circuit 116. In the transmission path distortion estimating period, the updating quantity of transmission path distortion information is calculated by the complex multiplicating circuit 114 by the error signal of a most likelihood sequence candidate vector and a most likelihood sequence candidate. A subtractor 117 subtracts the replica signal from a reception signal so as to calculate the error signal.  A sum of square arithmetic circuit 118 inputs the error signal so as to calculate a branch metric. A most likelihood estimating circuit 119 inputs the branch metric so as to output a most likelihood sequence candidate signal and also to output a demodulating signal.
Patent JP-H06348125-A (JP)
Title: Developing device
Inventor: ITO NOBORU
IPC: G03G15/08
Filed: 1993-06-10
Abstract: PURPOSE:To use a toner for development in the sufficiently electrified state, prevent the toner from causing photographic fog or from being scattered to stain the inside of an image forming device, and stably form a good image when the new toner is supplied to a developing device. CONSTITUTION:A developer is circulated between a developer conveyance section and a developer feed section 14, and the developer feed section 14 feeds the developer to a developing sleeve 18 for development. This developing device is provided with a toner feed section 12 feeding a toner upstream in the conveying direction of the developer conveyance section and a stirring/conveying means 20 making the conveying speed of the developer upstream in the conveying direction of the developer conveyance section faster than the conveying speed of the toner conveyed through the toner feed section 12 and the conveying speed of the developer downstream in the conveying direction of the developer conveyance section and mixing, stirring, and conveying the developer in the developer conveyance section.
Patent JP-H11341887-A (JP)
Title: Power supply unit for driving plural synchronous motors for concrete vibrator
Inventor: YOKOI YASUO
IPC: H02P5/74
Filed: 1998-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a power supply unit capable of driving a plurality of synchronous motors. SOLUTION: This unit is constituted of a three-phase frequency conversion circuit 4 having an oscillation circuit 4a and a commutating control circuit 4b, a phase difference detection circuit 6 for detecting a phase difference in the output current between a rotor and the three-phase frequency conversion circuit 4, and a motor input detection circuit 10 for detecting the output current of the three-phase frequency conversion circuit 4 at driving of the synchronous motor and adding bias which corresponds to the output current to the output signal of the phase difference detection circuit 6. It is thus possible to increase the output frequency at installing of additional synchronous motor and start the installed motor in a condition which is nearly a soft start for sure driving.
Patent JP-S6144690-A (JP)
Title: Photo-recording material
Inventor: SUGAWARA HIDEKUNI
IPC: G11B7/243
Filed: 1984-08-10
Abstract: PURPOSE:To provide a photo-recording medium covered with a thin film of a metal material showing reversible austenite-maltensite phase transformation under change of temperature and stress, which has reduced change of transmissivity with time, increased input speed and minimized bit error. CONSTITUTION:A photo-recording medium is covered with a thin film of a metal material such as shape memorizing alloy (e.g. Ni-Ti and Cu-Al-Zn alloys) showing reversible austenite-maltensite phase transformation. The recording medium is prepared e.g. by forming a film of the metal material by sputtering, etc. on a substrate having the same thermal expansivity as the recording medium and crystallizing the film. For recording, a flux of laser beam, etc. is applied to cause surface unevenness, followed by reading-out and reproduction.