baber/WOPTO huggingface dataset:
Patent JP-S55129947-A (JP)
Title: Pickup element structure
Inventor: KITAZAWA KEIO
IPC: G11B9/07
Filed: 1979-03-27
Abstract: PURPOSE:To eliminate break of an electrode completely to extend the life of the electrode, by filling up a metal to be the electrode in the hole provided in the rod of the stylus main body to form a pickup element structure. CONSTITUTION:A laser light condensed narrowly is irradiated to the center of rod 20 obtained by polishing sapphire (or diamond) to provide hole 21 of a diameter of several mu, and a metallic thin bar (metallic powder mixed with an adhesive) is filled up in hole 21 and is fixed to obtain electrode 22. Next, the rod main body above is cut into a proper form and is polished to obtain pickup element 23, and this element 23 is fitted to the tip of stylus arm 24 consisting of insulating materials, and one end of line spring 25 is connected to electrode 22 of element 23 electrically, thus obtaining a pickup.
Patent JP-H07224191-A (JP)
Title: Flame-retardant polyolefin resin composition having improved processability
Inventor: HAYASHI AKIO
IPC: C08K5/10
Filed: 1994-02-10
Abstract: PURPOSE:To obtain a flame-retardant polyolefin resin composition having excellent flame-retardancy and mechanical characteristics and improved extrusion moldability and suitable as an insulating layer for electric wire and cable by compounding a plasticizer to a composition composed of a polyolefin resin and a flame-retardant. CONSTITUTION:This polyolefin resin composition is produced by compounding (A) 100 pts.wt. of a polyolefin resin (preferably a high-density polyethylene, an ethylene-vinyl acetate copolymer, etc.) with (B) 5-250 pts.wt. of an inorganic flame retardant (e.g. aluminum hydroxide and antimony trioxide) or a mixture of the inorganic flame retardant and a halogen-based flame retardant (e.g. decabromodiphenyl oxide and brominated polyethylene) and (C) 0.1-50 pts.wt. of a plasticizer (e.g. dimethyl phthalate and polypropylene adipate).
Patent JP-H03243161-A (JP)
Title: Electromagnetic actuator
Inventor: NARASAKI TETSUJI
IPC: H02K41/03
Filed: 1990-02-19
Abstract: PURPOSE:To conduct a driving control more precisely and to increase a responsibility by a method wherein ring-shaped teeth are located at the regular pitches P on the outer surface of a cylindrical rod made of magnetic substance and three hollow ring electromagnets which have ring-shaped teeth at the pitches P on its inner surface are fit movably on the rod, each shifted by 1/3 of the pitch P. CONSTITUTION:Teeth 2A are formed at the pitch P on a cylindrical rod 1 made of magnetic substance. Hollow ring electromagnets 3, 4 and 5 are so set on the rod. Ring-shaped teeth 12a and 12b are formed on the inner surface of cores 9, 10 and 11. The cores 9, 10 and 11 are fixed, each shifted by 1/3 of the pitch P using a spacer 15. When an electric current is applied to the electromagnet 3 only, the rod 1 stops with the teeth 12a and 12b of the electromagnet 3 and the teeth 2A of the rod 1 in gear with each other. Nextly, when an electric current is applied to the electromagnet 4 only, the rod 1 moves 1/3 of the pitch P in the direction of an arrow C and stops there. When application of an electric current is conducted in the order of the electromagnets 3, 4 and 5, the rod 1 continues moving in the direction of the arrow C.
Patent JP-H0557702-A (JP)
Title: Guide rail for power chain saw and its manufacture
Inventor: KURAUSU BUIININGAA
IPC: B27B17/02
Filed: 1992-02-24
Abstract: PURPOSE: To provide a guide rail which shows an adequate stability and a long life and is lightweight and can be mass-produced at a low cost as well as a method for manufacturing the guide rail. CONSTITUTION: Recessed parts 4, 4' in the lateral parts 2, 2' and a recessed part 5 in the center part 3 filled with a lightweight material are arranged in such a manner that these recessed parts 4, 4' and 5 do not coincide with each other when a guide rail 1 is assembled. Further, a filled part 6 is retained in the lateral parts 2, 2' and the center part 3 so that the shape of the refilled part is restrained.
Patent JP-H11345419-A (JP)
Title: Reproduction only multiple hologram information recording medium and method for reading information
Inventor: YAGI IKUTAKE
IPC: G11B7/24012
Filed: 1999-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a multiple hologram information recording medium for reproduction only which is low in cost and has large capacity. SOLUTION: In a reproduction only multiple hologram information recording medium in which single mode planar optical waveguides are laminated, at least one of a core layer 12 and a clad layer 11 in respective waveguides is provided with a periodic scattering factor having almost same period as the period of a waveguide mode, and waveguided light 16 in the waveguide is diffracted to the outside of the waveguide by the periodic scattering factor to form a hologram image 20.
Patent JP-S57153706-A (JP)
Title: Control of scraping machine for precipitated sand
Inventor: SATOU YOSHIO
IPC: B01D21/20
Filed: 1981-03-16
Abstract: PURPOSE: To control the precipitated sand scraping machine so as to eliminate idle operation thereof by expecting the precipitated sand amount in a sand precipitation basin from a load current of the scraping machine and a stop time before operation to operate and stop the scraping machine.  
     CONSTITUTION: The load current of the scraping machine 2 is detected by a converter 1 and the output thereof is applied to an operation treatment apparatus 4 through a current transducer 3. In this apparatus, from the detected value Ih of the load current after the scraping machine 2 is operated, a preceeding operations suspension time Ta, a preliminarily set optimum load current value In and an engagement part K, the next suspension time Tb is operated according to an operation formula Tb=(Ta/Ih)×In×K and the output signal thereof is sent to a control circuit 6 and the control circuit 6 carries out opening and closing of a contact 7 for operating and stopping the scraping machine 2. By this method, optimum operation control of the scraping machine can be efficiently carried out corresponding to the precipitation condition of a sand precipitation condition. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H01212387-A (JP)
Title: Motion converter
Inventor: ABE KENJI
IPC: G04C3/14
Filed: 1988-02-19
Abstract: PURPOSE:To continuously rotate a follower wheel in an extremely stable manner, by providing constitution satisfying a condition of C/J>=0.45(sec<-1>) between the equivalent inertial moment J of the follower wheel and a viscosity resistance torque relating to a viscosity damping coefficient C. CONSTITUTION:A motion converter consists of an intermittent rotary body 1, a follower wheel 3 freely rotatable with respect to a conversion gear 2, the hair spring 4 connected between the gear 2 and the follower wheel 3, the upper and lower handles 27, 28 respectively arranged to the upper and lower parts of the follower wheel 3 and upper and lower handle oil bearings 29, 30 for respectively supporting the upper and lower handles 27, 28. The rotary vibration system consisting of the follower wheel 3 and the spring 4 when the rotary body 1 and the gear 2 are stopped is constituted of three torques, that is, the inertial torque relating to the equivalent inertial moment J of the follower wheel 3, the recovery torque relating to the spring constant of the spring 4 and the viscosity resistance torque relating to a viscosity damping coefficient C so as to satisfy a condition of C/J>=0.45(sec<-1>). By this method, the follower wheel 3 can be continuously rotated in an extremely stable manner.
Patent JP-H06246460-A (JP)
Title: Resistance welding machine
Inventor: YAMADA TAKAHIRO
IPC: B23K11/14
Filed: 1993-02-25
Abstract: PURPOSE:To provide a resistance welding machine of high versatility where only the works to be welded in the normal arrangement can be easily welded irrespective of the shape of the works to be welded such as nut. CONSTITUTION:A guide pin 5 on the side of a lower electrode 3 is provided with a guide part 5c which can be inserted into a nut through hole 31b through an electrode chip 4 and is shorter than the through hole 31b, and a stepped part 5b which can be abutted on the circumference of the nut through hole 31b at the lower part of the guide part. A sensor 21 detects the movement to the first position where the nut projection weld zone 31a is brought into contact with a work 30, and to the second position where the weld zone 31a is melted in welding, and the nut 31 is welded to the work 31. A control device 1 controls so that the welding may not be executed and the upper electrode 2 may be separated from the lower electrode 3 when the detected signals of the first and second positions of the sensor are inputted in an approximately simultaneous manner, and when the detected signals of the first and second position of the sensor are not inputted.
Patent JP-S58153746-A (JP)
Title: Dry sintered friction material
Inventor: USUI SUSUMU
IPC: C22C9/00
Filed: 1982-03-09
Abstract: PURPOSE:To enhance the friction coefficient of the friction material and to improve its aggresive tendency to a facing member and its judder, by letting a bronze sintered alloy material have composition comprising the specified amounts of Cu, Sn, metal oxide composed of hard particles, graphite, MoS2, Pb, CaF2 and Mn. CONSTITUTION:The dry sintered friction material is made of a bronze sintered alloy having the composition of, by wt%, 60-80 Cu, 3-20 Sn, 3-20 metal oxide composed of hard particles, 3-10 graphite, 1-5 MoS2, 8> Pb, >10 CaF2 and >10 Mn. As said metal oxide, hard particles, e.g. alumina, silica or mullite, having Mohs' hardness above 4 are used.
Patent JP-S53123084-A (JP)
Title: Short channel mosfet and production of the same
Inventor: NAGASAWA EIJI
IPC: H01L29/06
Filed: 1977-04-01
Abstract: PURPOSE:To obtain a short channel MOSFET of a high operating speed by diffusing As through the use of an As ion blocking film having serration s and forming source and drain regions having diffused layers which are deep in the region where wiring metals are to be mounted and are shaloow in the regions adjoining thereto.
Patent JP-H10217859-A (JP)
Title: Rear face pocket structure of seat back
Inventor: OKI HITOSHI
IPC: A47C7/62
Filed: 1997-02-05
Abstract: PROBLEM TO BE SOLVED: To heighten the coupling strength of a pocket lid to a recess for pocket and prevent the intruded water drops from remaining. SOLUTION: A back face pocket structure 10 of a seat back is configured so that hinge holes 22 in open form in a pocket lid 14 are formed in the left and the right side wall 12b of the receptacle part where an opening end 22a is arranged at the bottom wall side of the receptacle 12. A notch 26 to enable elastic deformation of that open edge of the front wall 12c side of the receptacle 12 in the spreading direction, which is among a pair of open edges of the opening end 22a of each hinge hole 22, is formed in a position adjacent to the side wall in connection to the opening end in the area from the bottom wall 12a of the receptacle to the front wall.
Patent JP-S53123173-A (JP)
Title: Electronic watch with alarm
Inventor: NOMURA YASUSHI
IPC: G04G13/02
Filed: 1977-04-01
Abstract: PURPOSE: To eliminate the abnormal feeling of use by adding a preset special scanning operation to the content of an alarm setting memory circuit with the of a squeeze switch which is provided separately of an alarm stopping switch. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H07250026-A (JP)
Title: Optical transmitter and circuit and method for compensating third-order mutual modulating distortion suitable for same
Inventor: SATO SUSUMU
IPC: H04B10/2575
Filed: 1994-03-08
Abstract: PURPOSE:To enable mass production by reducing thrid-order mutual modulating distortion to be generated by a light emitting element with more simplified configuration at a direct modulating system analog optical transmitter. CONSTITUTION:The inputted electric signal of a radio frequency is branched into two parts by a branching circuit 1, and a second-order mutual modulating distortion component is generated by a distortion generating circuit 14. A differential frequency component is extracted from that component by a low-pass filter 15 and synthesized by a synthesizing circuit 6 and afterwards, a light emitting element 17 is directly modulated. Corresponding to the setting of the gain of a level control circuit 16 and the delay of a delay control circuit 13, the third-order mutual modulating distortion of the light emitting element 17 is compensated while using the second-order mutual modulating distortion component of the differential frequency extracted by the low--pass filter 15.
Patent JP-H03242540-A (JP)
Title: Surface defect inspecting device
Inventor: UTO YUKIO
IPC: G01N21/95
Filed: 1990-02-20
Abstract: PURPOSE:To facilitate the detection of a fine defect by a method wherein a sample is lighted to divide an area where a defect is inspected from reflected light from the surface thereof into segments and feature values measured from the areas divided are used to set a threshold for judging defects in the subse quent area divided. CONSTITUTION:A motor 10 is controlled by an output signal of a motor drive circuit 13 to rotate a magnetic disc 1 as sample to be inspected at a fixed angular velocity theta and a motor 8 is controlled to move a stage 11 carrying the magnetic disc 1 in a radial direction (r). An inspection area of the disc 1 is moved in circumferential and radial directions to divide, irradiated by a lighting device 7 and the reflected light is condensed 6 to input a detection signal 25 into a processing circuit 12 through a detector 5. The processing circuit 12 determines a feature value of the signal, for example, a maximum signal change and a mean from the reflected light to set a threshold for the subsequent divided area. The detection signal is compared with the threshold by a defect judging circuit 17 and when the threshold is exceeded, a defect is displayed 16.
Patent JP-S53122307-A (JP)
Title: Automatic answering telephone set
Inventor: ARAKI MASATO
IPC: H04M1/64
Filed: 1977-03-31
Abstract: PURPOSE:To send out response messages in response to automatically to an incoming signal from the line, and to release the closing of line if the telephone set responds.
Patent JP-H11225945-A (JP)
Title: Endoscope
Inventor: HIBINO HIROKI
IPC: A61B1/00
Filed: 1998-02-19
Abstract: PROBLEM TO BE SOLVED: To provide an endoscope capable of preventing erroneous operation of a switch while ensuring satisfactory operability of the switch disposed in an operation part. SOLUTION: This endoscope 1 is provided with an actuator which is disposed in an insertion 2 part and moves a lens of an objective optical system disposed on a tip side of the insertion part and a changeover switch 42 which is disposed in an operation part 3 adjacent to a curved operation knob 51 and changes over the direction of travel of the less through the actuator. This changeover switch 42 is turned and operated between a first changeover position (a) where the lens is moved to the direction of usual observation side and a second changeover position (b) where the less is moved to the direction of special observation side, and the first changeover position is more apart than the second changeover position from a section where the curved operation knob is operated.
Patent JP-H01212368-A (JP)
Title: Pulse width measuring circuit
Inventor: TERAMOTO AKIRA
IPC: G01R29/02
Filed: 1988-02-19
Abstract: PURPOSE:To measure a continuous pulse with and to shorten a counting time, by counting clock pulses in the high and low pulse sections of a pulse whose pulse width must be measured by two count means. CONSTITUTION:A clock pulse CLK suitable for measuring a pulse width and an arbitrary pulse P having to measure the pulse width are respectively applied to input terminals 2, 4. The AND output of the and circuit 6 of the first gate circuit is applied to the count 8 of the first count means on the basis of the pulses CLK, P and the AND output of the AND circuit 12 of the second gate circuit is applied to the counter 14 of the second count means on the basis of the reversal pulse obtained by passing the pulse P through an inverter 10 and the pulse CLK. By this method, in the high and low level sections of the pulse P whose pulse width must be detected, a clock pulse is counted by the counters 8, 14 of the first and second count means using the pulse CLK as a unit and the count values thereof are stored in a data memory.
Patent JP-H02216793-A (JP)
Title: Remote control device for lighting equipment
Inventor: SHIRATORI KAZUHIKO
IPC: H05B37/02
Filed: 1989-02-16
Abstract: PURPOSE:To light and control a lighting equipment with no waste and effectively by operating basing on a human body detection result, continuing to light a lighting equipment while a person exists in a lighting region and putting out lights after a fixed time of lighting after withdrawal of all person. CONSTITUTION:A control device 14 is set up in the near position of a lighting equipment 12 on the ceiling of a stage 11. A human body counter 19 of the control device 14 counts +1 corresponding to the fact that one person entered the inside of the stage 11 respectively when a lower stage side human body sensor 13A detects the person in the rising direction, or an upper stage side human body sensor 13B detects a person in the descending direction. Further, the human body counter 19 counts -1 corresponding to the fact that a person left from the inside of the stage 11 respectively, when the sensor 13A detects a person in the descending direction, or the sensor 13B detects a person in the rising direction. A time circuit 20 of the control device 14 continues to light the lighting equipment 12 so long as a person exists inside the stage 11 based on the accumulation count value of the counter 19, while putting out after lighting for a fixed time after all persons have left.
Patent JP-S51113574-A (JP)
Title: Semi-conductor unit manufacturing method
Inventor: OKABE TAIAKI
IPC: H01L21/265
Filed: 1975-03-31
Abstract: PURPOSE: To determine with high precision the size of main compounds of the channel for high speed, high frequency MOS-type FET with the ion-gunning energy and the thickness of an insulation film on semi-conductor printed board. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H09225632-A (JP)
Title: Heating device for joining
Inventor: ITO ATSUSHI
IPC: H05K3/34
Filed: 1996-02-26
Abstract: PROBLEM TO BE SOLVED: To obtain a heating device for joining with high wear resistance wherein a resistant element is small, distributions of temp. and pressure are approximately uniform and high tension is not applied to electronic parts. SOLUTION: A heat sink 12 composed of a square cylinder having a hollow part 12a is provided with. The upper end surface 12c of the heat sink 12 is made to be a flat surface connecting to a pressure device. A heat transmitting member 14 having a flat rear surface is combined to the opening end surface of the lower side of the heat sink 12 via the resistant element 13 generating heat with electric energization. The heat transmitting member 14 is formed with an insulator having high heat transmitting ratio, heat resistance and hardness.
Patent JP-S51113776-A (JP)
Title: Thermal sensor
Inventor: FUTAKI HISAO
IPC: G01K11/12
Filed: 1975-03-31
Abstract: PURPOSE: Terminal sensor which reduces the embarrassment of adjusting work of working temperature after assembling, and fluctuation of working temperature due to the time change, by means of installing materials which vary their relection factors with a specified temperature, thereby changing their elctric outputs due to their changes. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-2000236270-A (JP)
Title: Antenna common-use unit
Inventor: HATANAKA HIROSHI
IPC: H04B1/04
Filed: 1999-02-17
Abstract: PROBLEM TO BE SOLVED: To reduce the insertion loss of each transmission wave and to reduce the in-band amplitude deviation of each transmit wave as to the antenna common-use unit which supplies transmit waves of adjacent channels to an antenna. SOLUTION: This antenna common-use unit is equipped with a 1st filter group FG1, which passes transmission waves of even-numbered (or odd- numbered) channels and a 2nd filter group FG2 which is cascaded to the 1st filter group FG1 and passes transmit waves of the odd-numbered (or even- numbered) channels. In this case, the 1st filter group FG1 is constituted by cascading constant-impedance band-pass filters passing the transmit waves of the even-numbered (or odd-numbered) channels, and one cascaded constant- impedance band-pass filter is connected to the 2nd filter group FG2 and the other is connected to the antenna.
Patent JP-H01212336-A (JP)
Title: Apparatus for measuring surface pressure
Inventor: YONEDA KATSUMI
IPC: G01N13/02
Filed: 1988-02-19
Abstract: PURPOSE:To prevent the generation of a measuring error caused by a temp. change or the layout of a cycle, by emitting light to the reflecting part provided to one end of a balance rod supported in a rotatable manner from a light emitting part and measuring the quantity of the reflected light from the reflecting part. CONSTITUTION:A sensing member 450 is suspended from one end of a rod 440 and set at the position corresponding to the surface tension of a liquid to be measured and the surface pressure of the film on the surface of said liquid. A reflecting part 460 is mounted to the other end of said rod 400. A flux 470 of optical fiber cables is mounted to the lower part of the reflecting part 460 and the other end thereof is guided to a case 421 to be separated into fluxes 481, 491 which are, in turn, respectively mounted to a light emitting element 482 and a light detecting element 492. Light is emitted to the reflecting part 470 from the element 482 through the flux 481 and the quantity of the reflected light corresponding to the height of said reflecting part 470 is detected by the element 492 through the flux 491 to be displayed on a window part 423 in a numerical value. Since this quantity of the reflected light corresponds to the surface tension of the liquid and the surface pressure of the film corresponding to the position of the sensing member 450, by measuring the quantity of light detected by the element 492 in a measuring circuit 422, said tension or pressure can be measured.
Patent JP-H11237167-A (JP)
Title: Abnormality diagnostic device of refrigerator
Inventor: YAMATO KAZUE
IPC: F25D23/00
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To convey a content of abnormality to a serviceperson to make a quick repair when a user easily judges an abnormality of a displayed content thereof in an abnormality diagnostic device of a refrigerator capable of displaying information related to an abnormality of the refrigerator by means of a display understandable by the user. SOLUTION: An abnormality diagnostic device comprises various sensors 7 installed inside and outside of each storage room of a refrigerator, a plurality of abnormality detecting means 8 for detecting an abnormality of various sensors 7, a voice composing device 28 for conveying information related to the abnormality of various sensors 7 by voice, a control part 9 for controlling the voice composing means based on a signal inputted from the abnormality detecting means 8, a door opening/closing detecting device 26 installed in each storage room, and a door opening/closing detecting means 27 for detecting a signal of the door opening/closing detecting means 27 when a door is opened, when various sensors 7 of the refrigerator detect an abnormality, a signal thereof is inputted into the control part 9, and the control part 9 recognizes the location of the abnormality.