baber/WOPTO huggingface dataset:
Patent JP-H09160085-A (JP)
Title: Optical fiber amplifier
Inventor: SHIBUYA TAKASHI
IPC: H01S3/094
Filed: 1995-12-14
Abstract: PROBLEM TO BE SOLVED: To improve excitation efficiency, to make an exciting light source operative with a low driving current and to improve reliability by connecting the exciting light which is heretofore not used in two stages of optical fiber amplifiers via optical multiplexer/demultiplexers. SOLUTION: This device is constituted by connecting two units of the optical fiber amplifiers 1, 11 in series. The amplifier 1 is composed of an erbium-doped optical fiber 2, the fiber fusion type optical multiplexer/demultiplexers 3, 4, a 1.48μm exciting LD module 5 and a polarization independent type inline optical isolator 6. The amplifier 11 is composed of the erbium-doped optical fiber 12, fiber fusion type optical multiplexer/demultiplexers 13, 14, the 1.48μm exciting LD module 15 and the polarization independent type inline optical isolators 16, 17. The exciting light which heretofore not used is reutilized with the device, by which the exciting light power of, for example, 70mW, 60mW (total 130mW) is made sufficient and the considerable improvement in the efficiency is attained.
Patent JP-H07180606-A (JP)
Title: Fiber reinforced metal made piston
Inventor: FUKUHARA YASUHIDE
IPC: F02F3/00
Filed: 1993-12-24
Abstract: PURPOSE:To improve cutting performance for a fiber reinforced metal by including ceramic fibers, ceramic particles and carbon fibers in a piston which is formed by a metal impregnated with reinforced fibers. CONSTITUTION:A fiber reinforced metal made piston 1 has a head part 1A and a skirt part 1B, and has, between 1A and 1B a boss part IC in which a piston pin to support a connecting rod is inserted and also a plurality of ring grooves 1D are formed on the head part 1A. In such a piston 1, the head part 1A is formed to a preform 5 which is a fiber reinforcing material formed by ceramic fibers 2 (aluminum fiber, etc.), ceramic particles 3 (cordierite particle, etc.) and carbon fibers 4, by fiber reinforced metal impregnated with aluminium alloy 6 for casting acting as a base material. Further, the other piston parts are formed by the aluminium alloy 6. Thus, the manufacture and work process of the piston 1 are facilitated.
Patent JP-H07209283-A (JP)
Title: Method for measuring viscosity-increasing action of silicon dioxide
Inventor: TOOMASU HENITSUHI
IPC: G01N33/44
Filed: 1994-12-27
Abstract: PURPOSE: To make management of the consistency increasing effect by preparing a dispersive liquid in water or ethanol from silicon dioxide produced through flame hydrolysis, and performing suspension measurement of the dispersive liquid. CONSTITUTION: An aerogel sample is prepared from silicon dioxide produced through flame hydrolysis. The sample is shaked well and taken in a plastic beaker, and water of 99 times as large by weight is added in the case of hydrophilic aerogel while ethanol of 99 times as large by weight is added in the case of hydrophobic aerogel, followed by dispersion by a dissolving device for approx. five min at 2000rpm approximately. The obtained dispersive liquid is put in a cuvette fully and measured by an optical turbidity measuring equipment. An evident correlation is known between the intensity as measurement and the consistency increasing effect, and the effect can be judged on the basis of the result from turbidity measuring.
Patent JP-2000154705-A (JP)
Title: Lubricating device for rocker arm
Inventor: ISOJIMA HIROAKI
IPC: F01L1/18
Filed: 1998-11-17
Abstract: PROBLEM TO BE SOLVED: To improve lubricating performance of a rocker arm by constituting a head cover by an inner cover and an outer cover, forming an air purifying chamber of a breather device between the inner and outer covers, providing an oil separating plate on an inside face of the inner cover and situating the dropping part on upper sides of left and right rocker arms. SOLUTION: A head cover 20 of a double structure is constituted of an outer cover 20A and an inner cover 20B. Space between both the covers 20A and 20B is formed as an air purifying chamber 20b. As a breather device 50, an oil separating plate 51 is caulked on an inclined upper side inside face of the inner cover 20B, and a reed valve 56 and a valve regulating plate 57 are caulked at a breather entrance 55 in states situated from the outside, with rivets 58a and 58b, respectively. As a result, oil in blow-by gas passing through the air purifying chamber 20b via a locker arm chamber to the breather entrance 55 is separated, separated oil is returned to the inside of a rocker arm chamber by a return hole 59 opened on an inclined lower side of the inner cover 20B and lubricating performance of a locker arm is maintained at a high level.
Patent JP-H01164518-A (JP)
Title: Automatic electric power source breaking method for thread cutting machine
Inventor: KAWABATA MINEICHI
IPC: B23G1/46
Filed: 1987-12-22
Abstract: PURPOSE:To reduce the useless rotation of a machine and electric power by utilizing rotating force generated by a spring when a detecting element detects the length of a cut screw thread to make a rotating part return automatically to its original position to break an electric circuit for a motor. CONSTITUTION:While an electric power switch 26 is turned on to rotate a motor 28 and thereby to proceed thread cutting, a detecting element 16 detects the length of a cut screw thread, and the head 18 of the detecting element therefore drives a contact lever 17 to release the engaging of a driving rotary body 2. Namely, a thread cutting process ends. The rotary body 2 released in an engagement is rotatingly returned by a spring fixed to itself to its original position. Since a selector 5 fixed through a shaft 27 to the rotary body 2 engages a fitting notch 6 or 6'' provided on a sliding body 8, which also slides to its original position. At that time, the end 20 of the sliding body 8 pushes a lever 11 to turn off a microswitch 10. Thus, the motor 28 stops even when the electric power switch 26 has been turned on.
Patent JP-H10152919-A (JP)
Title: Wall panel of wooden house and assembly method thereof
Inventor: AIYAMA MIKIO
IPC: E04B1/10
Filed: 1996-11-20
Abstract: PROBLEM TO BE SOLVED: To provide a wall panel capable of facilitating execution and having high air-tightness and thermal insulation efficiency at a low cost. SOLUTION: A wall panel as a bearing wall is directly or indirectly loaded to column, sill, girts, girder, beams and between framing members, and it is formed of a frame member 18 formed in the shape of a square. A thermal insulating material 20 covering a hollow section of the frame member 18 and fixed to the outdoor side or the inside of the frame member is provided, and in the case of execution, an indoor wallboard 28 is directly fixed to the overall circumference of the side on the indoor side of the frame member 18.
Patent JP-H08186591-A (JP)
Title: Communication system of loopback control system
Inventor: AOYAMA YOSHIHISA
IPC: H04L12/437
Filed: 1994-12-27
Abstract: PURPOSE: To simplify the circuit configuration of a data transmitter by employing such a constitution that the data transmitter takes a prescribed state according to detection result of a carrier from transmission lines of normal service system and those of spare system. CONSTITUTION: Each data transmitter employs constitution other than loop back constitution when a carrier can be detected from the normal service and spare system transmission lines Lm, Ls by carrier detecting parts 13, 14, and inputs a reception signal from the transmission line Lm to a communication processing part 6 via a decoder circuit 11, and sends it out to the transmission line Lm via the output of the processing part 6 and an encoder circuit 12. Also, when no carrier is detected from the transmission line Lm or Ls, the reception signal from the transmission line Lm or Ls is inputted to the processing part 6 via the circuit 11, and a loop back system to send the output of the processing part 6 to the transmission line Lm or Ls via the circuit 12 is constituted.  By employing such constitution, the number of pairs of the decoder circuit and the encoder circuit requiring two pairs in a conventional system can be reduced to one pair, which simplifies the circuit configuration.
Patent JP-H09141114-A (JP)
Title: Crushing blade attaching structure of crusher
Inventor: IWAASA YOSHIFUMI
IPC: B02C13/14
Filed: 1995-11-21
Abstract: PROBLEM TO BE SOLVED: To prevent the penetration of crushed pieces of a crushing material into the gaps between crushing blades and a pin. SOLUTION: Crushing blades 5 are attached to the pin 4 piercing the hiearchical rotor disc 3 rotating in a crushing chamber and the diameter 51 of each of the attaching holes 51 of the crushing blades 5 is made larger than that of the pin 4 to loosely fitting the crushing blades 5 to the pin 4 in a rotatable manner. The cover member 6 covering the part protruding from the outer peripheral surface 32 of the rotor disc 3 of the attaching holes 51 of the crushing blades 5 from above is provided.
Patent JP-H10172160-A (JP)
Title: Method for assembling objective lens driving device and member for vibration system part
Inventor: KONAGAYA MASARU
IPC: G11B7/22
Filed: 1996-12-06
Abstract: PROBLEM TO BE SOLVED: To prevent the deformation of a wire (supporting member) for connecting, among vibration system parts, a lens holder and a supporting member holder together, when an objective lens driving device is assembled to be used for an optical disk recording/reproducing device. SOLUTION: This device comprises a lens holder 2 having a lens holder positioning part 2a, a supporting member holder 6 having a connecting part 6a for connecting fixed parts, a wire 11 for connecting the lens holder 2 and the supporting member holder 6 together and an outer frame 12 surrounding at least one of the lens holder 2 and the supporting member holder 6 and having an outer frame positioning part 12a. In this case, the outer frame 12 is assembled to prevent the deformation of the wire 11 by utilizing a vibration system part member connected to the lens holder 2 or the supporting member holder 6 via a thin part 12b.
Patent JP-H05256226-A (JP)
Title: Fuel injection pump for internal combustion engine
IPC: F02M59/44
Filed: 1992-12-07
Abstract: PURPOSE: To prevent bending oscillations of an adjusting lever shaft by providing at least one additional support bearing disposed between the two ends of the adjusting lever shaft at the point of maximum oscillation amplitude in a pump casing. CONSTITUTION: An adjusting lever shaft 10 is provided for the purpose of operating all the control slides 7 simultaneously. The two ends of the adjusting lever shaft 10 are supported on a pump casing 1 and connected to control slides 7. In a pump of this type, at least one additional support bearing 11 is provided between the two ends of the adjusting lever shaft 10 at the point of maximum oscillation amplitude in the pump casing 1. Thus, the bending oscillations of the adjusting lever shaft 10 can be reduced by the additional intermediate support for the adjusting lever shaft 10 by the support bearing 11 at the point of maximum oscillation amplitude.
Patent JP-H06176441-A (JP)
Title: Driving mechanism of reel brake
Inventor: NAGATA ATSUSHI
IPC: G11B15/18
Filed: 1992-12-07
Abstract: PURPOSE:To provide the driving mechanism of a reel brake, which is contrived so making small in size and light in weight and also improving the workability. CONSTITUTION:In an 8mm video, a ratchet brake lever 153 (ratchet brake 150) is arranged, which is provided with a catch 154 controlling the rotation of a magnetic tape take-up reel 4 to the tape unwinding direction while engaging with the ratchet 151 of a turntable 106 of the take-up reel 4 at the loading time of magnetic tape 1. On the other hand, a gear pulley 109 engaged with an idle gear 114 rotationally driving the magnetic tape feeding reel 3 and take-up teel 4 is driven and connected to a release lever 164 which operates the release of the ratchet brake lever 153 through a release gear 159 and a seesaw lever 163.
Patent JP-H09168009-A (JP)
Title: Network operation information setting system
Inventor: KIHARA KENICHI
IPC: G06F15/16
Filed: 1995-12-15
Abstract: PROBLEM TO BE SOLVED: To provide a network operation information setting system in which new setting and update of information are executed efficiently and flexibly. SOLUTION: The system is provided with a design device 11 editing information and generating a command string, an automatic setting device 31 reading the command string and updating the information automatically, and an information collection device 31 extracting a content set actually. The automatic setting device 31 may have a decoding function. Not only addition of information but also information revision or deletion is executed and only the revised part is updated. Furthermore, the setting system is used in common with other setting means (tool). Moreover, incomplete setting is avoided in the case of interrupting the processing of the automatic setting device 31 on the occurrence of an error or the like by providing the decoding function to the automatic setting device 31.
Patent JP-2001140322-A (JP)
Title: Private parts washing device
Inventor: SAGARA YOSHINORI
IPC: A47K13/12
Filed: 1999-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a compact private parts washing device reducing the load of a solenoid valve while utilizing the conventional structure to the utmost. SOLUTION: The washing water fed at the feed water pressure P1 can be discharged or stopped to user private parts by the opening or closing action of the solenoid valve 124 in response to the discharge or stop instruction from a user. This private parts washing device is provided with a pressure control valve 123 satisfying the relation P1>P2>P3 between the inlet pressure P2 of the solenoid valve 124 when the solenoid valve 124 is set to a closed state and the inlet pressure P3 of the solenoid valve 124 when the solenoid valve 124 is set to an opened state.
Patent JP-H06173833-A (JP)
Title: Igniter of internal combustion engine
Inventor: MOMOYAMA TSUTOMU
IPC: F02N11/08
Filed: 1992-12-07
Abstract: PURPOSE:To obtain an internal combustion engine igniter of low manufacturing cost and that does not exhaust a battery due to electric current leakage. CONSTITUTION:This internal combustion engine igniter is equipped with a starter switch 4A, which is provided between a battery 1 and a starter relay 3a and actuates the starter relay 3a by being turned on at the time of starting, and a switch means 9 which is provided between an igniter 5 and the battery 1, connects the battery 1 to the igniter 5 upon detecting that the starter switch 4A is turned on and maintains the connection of the battery 1 to the igniter 5 by means of the inflow electric current from the battery 1 to the igniter 5.
Patent JP-2000153305-A (JP)
Title: Method for joining coil for rolling
Inventor: KAWAI NOBUYUKI
IPC: B21B37/00
Filed: 1998-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a coil joining method for rolling by which the optimum combination for joining the coils is decided. SOLUTION: The optimum combination for joining the coils is decided. This method includes a process consisting of the following stages: (1) a stage where the classification of the coils to joinable groups is executed based on the judgement of the propriety of joining with other coils, (2) a stage where combination for increasing the average unit weight of the coils after joining of every classified groups is determined, (3) a stage where the combination for reducing the variation of the weight of the coil after joining is determined.
Patent JP-H11145536-A (JP)
Title: Laser device
Inventor: OTOMO FUMIO
IPC: G01C15/00
Filed: 1997-11-11
Abstract: PROBLEM TO BE SOLVED: To provide a laser device where an inclination error caused by certain looseness in a shaft is lessened to improve the inclination setting accuracy by a method, wherein a first deflecting means which deflects a laser beam emitted from a light source at right angles is provided to a laser projector, and a second deflecting means which deflects a laser beam sent from the first deflecting means at right angles is provided to a rotating irradiator. SOLUTION: A control means computes the amount of drive so as to form a laser reference plane in a prescribed direction, based on detection signals outputted from a first and a second rotation angle detector, 1700 and 1800. A frame drive means 8100 (second drive means), a laser projector drive means 8200, and a rotary irradiator drive means 8300 (first drive means) are driven. When compound inclinations in two directions are set by a setting means, the control means computes on the basis of set data to form a prescribed laser reference plane. An automatic rectifier 2000 enables the control means to make the center of rotation of the frame coincide with the direction of a vertical line on the basis of data obtained through a first inclination sensor 1610 and a second inclination sensor 1620.  A laser beam which scans in a horizontal plane can be used to level from an attained height detected on a measurement object, and a ground reference point can be shifted in a vertical direction and set.
Patent JP-H07183099-A (JP)
Title: Particle examination device for ultrahigh vacuum duct
Inventor: BIZEN TERUHIKO
IPC: H05H7/00
Filed: 1993-12-24
Abstract: PURPOSE:To enable the condition of particles on the inner surface of a duct to be examined after fabrication by projecting a sliding member out of a boss portion, pressing the sliding member against that inside portion of the duct which is opposite to the inner surface of the duct to be examined, bringing the sliding member into close contact with the surface to be examined using a sealant, and examining a filer after a gas is fed and executed. CONSTITUTION:A main body 1 and a boss portion 6 are inserted into a ultrahigh vacuum duct 15 with the lower end of the boss portion 6 facing a surface 16 to be examined, and air is supplied to an air cylinder 9. Then a sliding member 13 projects out of the upper end of the boss portion 6, together with a sealant 14, and presses that inner surface of the duct 15 which is located opposite to the surface 16 to be examined, and the reaction of the pressure displaces the sliding member toward the main body the surface 16 to be examined, while the sealant 4 is kept airtight respect to the surface 16 to be examined. Under these conditions, a gas is fed into the main body 1 through a tube 3 and a through hole 2 an exhaust pump at the end of an exhaust pipe 5 is operated so that gas is blown to the surface 16 and attaches itself to a filter 7. The number of particles trapped on the filter 7 is checked using a microscope, thereby examining the condition of the surface 16.
Patent JP-H08186941-A (JP)
Title: Charge control system
Inventor: MORIMOTO HIROAKI
IPC: H02J7/34
Filed: 1994-12-28
Abstract: PURPOSE: To prevent the trouble of the charging stop before the completion of charging by discriminating the decrease in charging voltage caused by the completion of charging from the decrease in charging voltage caused by driving of equipment. CONSTITUTION: This system is constituted of a charging device 10, a battery pack 20 and a portable telephone 30. A CPU 32 built in the portable telephone judges the decrease in charging voltage caused by the driving of the portable telephone and output a -ΔV cancel signal to the side of the charging device through signal lines 17 and 37. Meanwhile, when a CPU 15 built in the charging device receives the above described -ΔV cancel signal, the CPU 15 can identify that the decrease is not the decrease in battery voltage caused by the completion of the charging. Thus, the trouble of stopping the charging before the completion of the charging can be prevented.
Patent JP-H02174343-A (JP)
Title: Orthogonal modulator
Inventor: KONDO NORIAKI
IPC: H04L27/20
Filed: 1988-12-27
Abstract: PURPOSE:To improve the accuracy of orthogonal modulation by applying a variable phase shifter as a phase shifter used for forming a carrier signal, detecting a phase difference of two carrier signals in the case of being given to each modulator and controlling the phase shift of the variable phase shifter in response to the phase difference. CONSTITUTION:A carrier signal is given to a variable phase shifter 11 to form 1st and 2nd carrier signals, they are given respectively to corresponding 1st and 2nd modulators 3, 4, and 1st and 2nd modulation signals and the 1st and 2nd carrier signals are subject to modulation processing. The phase difference of the corresponding 1st and 2nd carrier signals given to the 1st and 2nd modulators 3, 4 is desired to be a reference phase difference pi/2. The phase difference of the 1st and 2nd carrier signals is detected by a phase comparator 10 to give it to the variable phase shifter 11 as a phase shift control signal so as to form a feedback loop thereby making the phase difference of the 1st and 2nd carrier signals to be pi/2 at all times independently of the change in the carrier frequency. Thus, the modulation accuracy is improved.
Patent JP-H04195171-A (JP)
Title: Copying machine
Inventor: MURAI TATSUYA
IPC: G03G15/00
Filed: 1990-11-28
Abstract: PURPOSE:To always obtain an image with excellent image quality even when a copying machine is used by any magnification within the range of variable power by providing patterns for a potential sensor and for a toner sensor and specifying the positions of the potential sensor and the toner sensor and the positions of the respective patterns. CONSTITUTION:The potential sensor 20 which detects the surface potential of a photosensitive body, the toner sensor 17 which detects the density of a toner image formed on the photosensitive body and the respective patterns 21a and 21b for the potential sensor and the toner sensor which are arranged at a right angle to the carrying direction of a paper by being closely brought into contact with a specified corner on an original platen other than an original surface are provided. Then, the sensors 20 and 17 are disposed so that the components of a right angle direction to the carrying direction of the paper at the respective positions of the sensors 20 and 17 mutually become different. Besides, the pattern for a potential sensor 21a is arranged at such an area that it is projected on a position within the range of the variable power and corresponding to the sensor 20 and the pattern for a toner sensor 21b is arranged at an area other than it. Thus, the image with the excellent image quality is always obtained even when the copying machine is used by any magnification within the range of the variable power.
Patent JP-H03186578-A (JP)
Title: Sheet carrying device
Inventor: YOSHIDA YASUYOSHI
IPC: G03G15/10
Filed: 1989-12-18
Abstract: PURPOSE:To resupply sheets positively and without contaminating the sheets by releasing a tip-sheet of a bundle of sheets from a state where it is held by a sheet carrying means, thereafter carrying-out the tip-sheet by a sheet carrying-out means. CONSTITUTION:In resupplying sheets, a driving roller 28a, a carrying belt 30 are driven to send a bundle of loaded sheets P to the carrying belt 30 (a sheet carrying-out means). When the rear end of a tip-sheet P is passed through a pair of rollers 28a, 28b (a sheet carrying means), the rotation of the roller 28a is stopped. By the time, when a specified time elapses after the tip of the tip-sheet is detected by a sensor 36, the elapsed time is calculated by a control unit based on information from a sheet-size detecting device. Further, after the time for which the sheet P reaches the following carrying means has elapsed, the roller 28a is rotated reversely simultaneously with stopping of the belt 30 to send the bundle of sheets in the reverse direction. After an elapse of a specified time, the roller 28a is stopped when the tip-sheet of the remaining bundle of sheets reaches a specified position.