baber/WOPTO huggingface dataset:
Patent JP-H10262932-A (JP)
Title: Eye examination system
Inventor: KOBAYAKAWA YOSHI
IPC: A61B3/16
Filed: 1997-03-26
Abstract: PROBLEM TO BE SOLVED: To widen the detection range of alignment by recognizing the state of alignment even without watching the observation display of the eye to be examined. SOLUTION: Light sources 33L and 33R for observation respectively illuminate the fore eye part of eye E to be examined through light guides 32L and 32R and on the cornea C, images 33L' and 33R' of light sources 33L and 33R for observation are generated. Its reflected light is passed through window members 26 and 27, window part 28, lens 13, beam splitting member 14, wedge prisms 18L and 18R, apertures 15L and 15R and lens 16 and cornea reflected images 33L' and 33R' are formed on an area array sensor 17 while being vertically separated.  An arithmetic means 34 successively fetches signals from the area array sensor 17 during alignment, calculates the position of eye E to be examined, operates an operating means based on the detected position of eye E to be examined, moves a casing in three-dimensional direction by driving a driving means 4 and performs alignment so that the cornea reflected images 33L' and 33R' can come to prescribed positions on the area array sensor 17.
Patent JP-S62181384-A (JP)
Title: Water repellent composition
Inventor: KURODA KATSUHIKO
IPC: B27N3/02
Filed: 1986-04-21
Abstract: PURPOSE:The titled composition, obtained by emulsifying a wax having a specific melting point and olefin-maleic anhydride derivative in water in the presence of a nonionic emulsifying agent, and capable of giving a stable emulsion with a small amount of an emulsifying agent without deteriorating water repellency of the wax. CONSTITUTION:A composition obtained by emulsifying (A) a wax having 40-90 deg.C melting point, e.g. paraffinic wax, etc., and (B) an olefin-maleic anhydride derivative, preferably at 1:0.01-1:0.7wt. ratio in water in the presence of (C) a nonionic emulsifying agent, preferably adduct of ethylene oxide with an alkyl alcohol, etc., having >=35mol number of added ethylene oxide. Furthermore, (D) a hydrocarbon resin, preferably petroleum resin, coumarone-indene resin, etc., is preferably contained. The amount of the component (C) is preferably 1-5wt% based on the total of the components (A) and (B).
Patent JP-S5518266-A (JP)
Title: Treatment of waste water
Inventor: KATAOKA KATSUYUKI
IPC: C02F3/08
Filed: 1978-07-26
Abstract: PURPOSE: To permit the highly efficient treatment of waste water at lower cost by the procedure in which part of granular medium to which aerobic microorganisms are adhered is treated with unaerobic bacteria and then sent back to aerobic treatment portion for reuse.  
     CONSTITUTION: After removing BOD and NH 4 -N present in waste water by oxidation by means of an aerobic microorganisms-adhered granular medium in the aerobic biological treatment portion, th effluent is introduced into a biological denitricafition portion, whereupon part of the microorganism-adhered granular medium is treated in an unaerobic fermentation tank and then returned in parts to the denitrification portion and the aerobic biological treatment portion. For example, part of the microorganism-adhered granular medium 2 in the aerobic biological treatment tank 1 is introduced through the conduit 10 to the unaerobic fermentation tank 11 and stirred for several days. The microorganism film on the surface of the granular medium in the tank 11 is decayed and removed and slurry containing part of  granular medium is then introduced through the conduit 13 into the biological denitrification tank 7, and remaining granular medium is sent back to the tank 1 through the return pipe 12. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H06311182-A (JP)
Title: Packet call response system
Inventor: YAMADA SHIORI
IPC: H04L12/70
Filed: 1993-04-20
Abstract: PURPOSE:To establish the usage of a logical channel while there is a contract logical channel which is unused at the time of receiving the call setting message of a packet. CONSTITUTION:An information analytic part 103 judges a packet terminal capable of making a response by referring to a terminal setting information table 105 within terminal information storing part 102. The information analytic part 103 sends the response messages of the packet terminals (packet terminals 107b and 107c) capable of incoming a call. The response messages are provided with the TEI value of the packet terminal judged to be capable of incoming a call and a channel which is in use or newly specified by the call setting message. A message transmission part 104 sends response messages CONN(B) and (C) to an ISDN line based on the response message from the information analytic part 103. Thereby, the response messages of all the packet terminals judged to be capable of making a response at the time of the call setting message are sent so that a terminal adapter can effectively use a logical channel.
Patent JP-H04151975-A (JP)
Title: Digital electronic still camera
Inventor: TAKEMOTO HIROSHI
IPC: H04N1/40
Filed: 1990-04-06
Abstract: PURPOSE:To execute efficient compression recording by identifying a natural picture forming a multi-gradation and a character picture forming binary gradation from a picture of an object and compressing each picture in response to the identified characteristic. CONSTITUTION:A picture signal grasped via an image pickup lens 1 and an aperture 2 is subjected to conversion processing into a luminance signal and a chrominance signal at a processing circuit 3. Its output signal 4 is given to an A/D converter 5, from which a digital data 6 is obtained and stored in a frame memory 7 for each frame. The frame data 8 outputted from the memory 7 is inputted to a picture identification circuit 9, in which the data is identified into a character picture (binary picture) and a natural picture (multi-value picture). The identified natural picture data 11 and character picture data 10 are compressed respectively by compression circuits 15, 12 by the DCT and MH system and the compressed data 16, 13 are recorded on a recording medium 14.
Patent JP-S59217279-A (JP)
Title: Meter for remaining amount of tape
Inventor: TAKANO TAKASHI
IPC: G11B27/17
Filed: 1983-05-24
Abstract: PURPOSE:To operate and display the remaining amount of a tape with high precision by detecting the number of revolution of a capstan shaft and a payoff side reel shaft, and comparing said two detection signals with each other. CONSTITUTION:In a figure, 6, 7 and 8 are detection heads of flying generators (FG) for detecting the rotating speeds of a payoff side reel, a payoff side capstan, and a take-up side capstan, and 9 is a counter. For example, when a tape speed is S, the frequency of FG8 is denoted as FC, that of FG6 is represented as FFR, and the number of pulses per rotation of the reel shaft is denoted as N. Then, of the radius of wound tape in the pay off side reel is R, the counted value C of a counter 9 which is latched by a latch circuit 10 is proportional to a wound radius R of a tape. On the other hand, the remaining amount L of the tape when the radius of wound tape is R is calculated from said R, the radius (r) of the hub of the payoff side reel 1, and the tape thickness (t). This value is displayed on a display device 12. A comparator 13 compares the output of a D/A converter 11 with a reference voltage REF, and the display device 12 performs display according to the remaining amount of the tape.
Patent JP-H10289467-A (JP)
Title: Optical pickup device
Inventor: NAKADA NAOTARO
IPC: G11B7/135
Filed: 1997-04-10
Abstract: PROBLEM TO BE SOLVED: To bond wires in short distances by separating a light receiving element having light receiving areas needing wire bondings numerously into two pieces and providing them at sides becoming symmetrical with respect to the center axis of an optical system. SOLUTION: First and second light receiving elements 2a, 2b receiving beam lights to be diffracted by a diffraction element 4 are provided at the periphery of the center axis of a lens system by being separated into two pieces and spots P1 , P2 by first and second areas 4a, 4b are separated in directions opposing with respect to the center axis of the optical system to be respectively received by different light receiving elements 2a, 2b. The first light receiving element 2a is composed of two photodiode areas D1, D2 and positions of respective parts of the element 2a are set so that the spot P1 of the beam from the first area 4a of the diffraction element 4 is formed on the boundary between the two areas D1 , D2 .  The second light receiving element 2b is composed of three photodiode areas D3 , D4 , D5 and spots P2 -P4 of beams from the second area 4a of the diffraction element 4 are respectively formed on the areas.
Patent JP-H11289130-A (JP)
Title: Outer resonator type laser
Inventor: OMURA HIDEYUKI
IPC: H01S5/00
Filed: 1998-04-03
Abstract: PROBLEM TO BE SOLVED: To attain a good transmission quality constantly regardless of a connector to be connected. SOLUTION: The inventive laser comprises a fiber Bragg grating (FBG) section 20 for setting a specified Bragg wavelength of reflected light through a grating 22, and a laser light emitting element 10 optically coupled with the FBG section 20 to input/output the light and resonating the light between a high reflectance face 12 and the grating 22 to oscillate a laser light of specified oscillation wavelength through a connector 30. The FBG section 20 is disposed on the optical path between the laser light emitting element 10 and the connector 30, a resonator is formed between the high reflectance face 12 and the grating 22 and an isolator 27 is disposed on the optical path between the FBG section 20 and the connector 30 in order to absorb and block the light returning from the connector 30, i.e. the reflected wave.
Patent JP-S5616921-A (JP)
Title: Automatic adjusting system of tape recorder
Inventor: TAKAMUNE KEIGIYOU
IPC: G11B5/035
Filed: 1979-07-19
Abstract: PURPOSE: To make automatic adjustment into optimum characteristic state surely and quickly, by the automatic adjustment of the bias oscillation circuit so that the bias current satisfying the specified conditions can be obtained by reproducing the specified adjusting signal recorded with different bias current.  
     CONSTITUTION: The operating mechanism part 2 and bias current adjusting motor 6 are controlled with the CPU4 and control circuit 5, etc., and the adjusting signal mixed with the signals of different frequencies f 1 , f 2  is recorded on the tape recorder 1 for the time T with the bias current I 1  and further, recorded with the bias current I 2  for the time T. This signal is reproduced and the overall frequency characteristics L 1 , L 2  corresponding respectively to the currents I 1 ,I 2  are determined with the level of the reproducing signal in frequencies f 1 , f 2  via the measuring circuit 3 and CPU 4. Further, even if dropout is produced in reproducing signal, the bias current value I corresponding to the optimum overall frequency characteristics L based on equation I is calculated and determined, allowing automatic adjustment for the bias oscillation circuit with the CPU4, circuit 5 and motor 6. Accordingly, automatic adjustment to obtain optimum overall frequency characteristics can be made surely and quickly. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H03290622-A (JP)
Title: Thin film transistor
Inventor: OKAMURA MASAMICHI
IPC: H01L21/336
Filed: 1990-04-09
Abstract: PURPOSE:To realize back exposure and to suppress a leakage current at the time of turning-off by constituting a light shielding layer with three or more light-transmissive layers whose optical film thickness is specified and specifying the refractive indexes of light-transmissive films. CONSTITUTION:A light shielding layer 15 is provided between a substrate 20 and a thin film active part 12 including a semiconductor layer 22. As for the light shielding layer 15, the optical film thickness ((refractive index)X(film thickness)) of light-transmissive films is about 1/4 of 540 to 600nm center wavelength of visible light, and three or more layers such as an odd numbered film 10, an even numbered film 11, an odd numbered film 10 - an i-th film 13 are laminated. The refractive index of the odd numbered film 10 or the even numbered film 11 from the substrate side is made higher than that of the substrate 20 and that of a light-transmissive insulating film 14. Thus, back exposure is realized since 350 to 400nm photosensitive wavelength of a resist is transmitted through but the visible light wavelength is not transmitted through, and back light or the like is shielded to suppress the leakage current.
Patent JP-S5616854-A (JP)
Title: Pulse transmission unit
Inventor: SHIMIZU SHIYOUZOU
IPC: G01R33/36
Filed: 1979-07-20
Abstract: PURPOSE:To make it possible to supply two high frequencies to an irradiation coil without a magnetic core, by connecting the output of the first high frequency source to a load directly and by connecting the output of the second high frequency source and the load through a coaxial line. CONSTITUTION:This unit transmits large-amplitude high-frequency pulse A from high frequency generator 6 and small-amplitude high-frequency pulse B from high frequency generator 7 to a load, and coaxial line 8 has the length of the approximate quarter of the wave length of high frequency A, and the output of high frequency generator 7 is grounded through the circuit where diodes are connected in antiparallel. When circuit 9 is turned on during generation of large-amplitude pulse A, coaxial line 8 has an infinite impedance to supply large-amplitude pulse A to the load without loss. Meanwhile, during no generation of large-amplitude pulse A, small-amplitude pulse B is supplied to the load through coaxial line 8 because circuit 9 is held in the turning-off state.
Patent JP-S5718499-A (JP)
Title: Prewhirl device for compressor
Inventor: KOSUGE HIDEKI
IPC: F04D29/46
Filed: 1980-07-08
Abstract: PURPOSE: To improve acceleration performance of a compressor from the idling state up to a designated rpm, by setting the movable portion of an entrance hub movable in the direction of the runner shaft while said movable portion of an entrance hub comprising the plural number of prewhirl vanes for giving prewhirling to the intake gas.  
     CONSTITUTION: During idle operation, gas under a given pressure is supplied into an air cylinder 26 to stretch the driving shaft 25, and to move a movable portion of an entrance hub 19 to project prewhirl vanes 22 into an air path. When the gas, being given prewhirling, flows into a runner 11, idling revolution of a compressor is enhanced. If air pressure at the outlet of the compressor becomes high enough, there may be bad effects, e.g., vibration of the runner 11, so it is needed to put back the prewhirl vanes from the air path 13. To clear this problem, compressed air in the outlet of the compressor is introduced into a cylinder 26, to make a drive shaft 25 retreat to put back the prewhirl vanes 22 from the air path 13. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H11269570-A (JP)
Title: Collection of indium from indium inclusion
Inventor: FUKUDA KENSAKU
IPC: C25C1/22
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To provide a method to efficiently collect indium of high purity from indium inclusions containing various kinds of impurities. SOLUTION: Indium inclusions are leached with sulfuric acid to melt metals soluble in acid together with In, NaSH is added to the obtained leaching soln. while adjusting the oxidation-reduction potential to settle and remove the metals such as copper other than In. Sulfuric acid and NaSH are added to the obtained aqueous solution containing indium to settle and concentrate In as sulfide. In is selectively leached by blowing SO2 gas into the In sulfide under the acidity of sulfuric acid, and after adjusting the pH value, zinc powder is added to the obtained leaching soln. containing In to substitute and precipitate In sponge. The obtained In sponge is leached with hydrochloric acid, H2 S is blown into the leaching soln. to settle and remove the residual metallic ions such as Cd, and then, the metal indium of >=5N in purity is obtained through electrolytic winning.
Patent JP-H07290131-A (JP)
Title: Strip tracking method on hot run table
Inventor: KAMIMURA MASAKI
IPC: B21B37/00
Filed: 1994-04-28
Abstract: PURPOSE:To improve accuracy in strip tracking on a hot run table. CONSTITUTION:Each table roller 5 comprising a hot run table is individually driven by each driving motor. In addition, a driving current value of the driving motor can be supplied to a controller 6. The driving current value of each table roller 5 is constantly checked in the controller 6; and if a current change above a prescribed threshold value is detected, a prescribed load is generated in the corresponding table roller 5; namely, it is recognized by the controller as the tip end part of a strip 7 has passed. Then, the operational timing of a calculation control such as starting time for coiling a strip 7 is decided by the controller 6 through a well-known means based on tracking information.
Patent JP-H04304649-A (JP)
Title: Semiconductor device
Inventor: ISHINO MASAKAZU
IPC: H01L29/78
Filed: 1991-04-01
Abstract: PURPOSE:To test the high frequency characteristics by measuring the contact resistance between two types of metals in a through hole for connecting a gate electrode to an aluminum electrode and to provide, for that purpose, a semiconductor device having an insulated gate type field effect transistor having a contact resistance measuring check pattern in a high melting point metal gate MOS FET. CONSTITUTION:A contact resistance measuring check pattern 5 is provided. That is, the pattern 5 having the same vertical sectional structure as that of a through hole 4 of a MOS FET element is provided in the same chip. The contact resistance of the hole 4 of this element is measured by measuring the resistance by a DC at both ends of the pattern 5 to test the high frequency characteristics.
Patent JP-S5318640-A (JP)
Title: Composition for coating polyolefin resin
Inventor: MURAMOTO HIROO
IPC: C09D11/03
Filed: 1976-08-03
Abstract: PURPOSE: Title composition in which a mixture of a radically harfenable compound and a chlorinated polyolefin is cured using an organic peroxide to provide the coated film on the surfaces of polyolefins having good adherability and printing properties. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H04305014-A (JP)
Title: Production of oxide superconductor
Inventor: ISHIKAWA YUICHI
IPC: C01G3/00
Filed: 1991-03-29
Abstract: PURPOSE:To produce an oxide superconductor having increased magnetization and critical current density. CONSTITUTION:Y2O3 BaO and CuO powders each having 1mum average particle size are mixed in 1.2:2.1:3.1 ratio of Y:Ba:Cu and Sm2Ba1Cu1O5 Sm2O3 powder having 1mum average particle size is added to the mixture by 0.3mol basing on the amt. of Y. They are mixed and molded under 3t/cm<2> pressure to obtain pellets having 1 in diameter and 1cm thickness and these pellets are heated to 1,100 deg.C at 20 deg.C/min heating rate, held at the temp. for 30min and stepwise cooled to 1,000 deg.C at 20 deg.C/min cooling rate, to 960 deg.C at 0.5 deg.C/hr cooling rate and to ordinary temp. at 1 deg.C/hr cooling rate. The resulting sintered body is fired at 600 deg.C in an oxygen atmosphere for 1 week.
Patent JP-S5319065-A (JP)
Title: Electronic timepiece
Inventor: MOROKAWA SHIGERU
IPC: G04G99/00
Filed: 1976-08-05
Abstract: PURPOSE:To provide an electronic timepiece, in which threshold-voltages of MOSFET switching circuits, C-MOSFET inverter circuits, etc. are selected respectively at different suitable values, so as to reduce power consumption.
Patent JP-H06308449-A (JP)
Title: Light valve device and projection display device using it
Inventor: OMAE HIDEKI
IPC: G02F1/1335
Filed: 1993-04-20
Abstract: PURPOSE:To obtain a bright display picture whose contrast is high in the light valve device which forms an optical image as the change of a light diffraction condition, and the projection display device using it. CONSTITUTION:A light valve layer 13 is held between two transparent boards 11 and 12, and the transparent board 63 is combined with at least either side of the transparent board 11 or 12 through a transparent combining body 64. Thus, the part from the light valve layer 13 to a boundary surface 68 to air is thickened. The illuminance of light outgoing from the light valve layer 13, reflected from a light-emitting surface 68, and returned to the light valve layer 13 is lowered by thickening the part from the light valve layer 13 and the boundary surface 68 to the air, so that the contrast of the display picture is improved.
Patent JP-S5318882-A (JP)
Title: Device for feeding jig for use in machining apparatus
Inventor: OKAMOTO TOMIO
IPC: B23Q5/26
Filed: 1976-08-05
Abstract: PURPOSE: A device for feeding jig for use in a machining apparatus, which feeds the jig at a predetermined speed during the cutting operation and feeds the jig at a high speed during the idling to reduce the maching time, wherein the jig is fed quickly during idling responsive to the shape of a workpiece and worn-out degree of the jig. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S57208061-A (JP)
Title: Battery slider
Inventor: YAMAGUCHI HIROFUMI
IPC: H01M50/262
Filed: 1981-06-15
Abstract: PURPOSE:A battery slider, in which dimensions can be adjusted in accordance with size of a battery case. CONSTITUTION:When a battery case 6 in minimum width L1 is drawn out, higher sides of bosses 24 in a guide plate 22 are contacted and fixed to the inside of a front plate 4. When a battery L2, one size larger than of the L1, is pulled out, the guide plate 22 is reversely placed with its front side in the rear, and the lower side of the guide plate boss 24 is contacted and fixed to the inside of the front plate 4. In this way, the bosses with longitudinally different height are provided to the guide plate, and a slider can be used for the battery case of four  kinds with different battery size only by changing a mounting position of said  guide plate, thus a number of part items and quantity in stock can be reduced.
Patent JP-S5617632-A (JP)
Title: Converging method for ion
Inventor: USUI AKIRA
IPC: C23C14/22
Filed: 1979-07-20
Abstract: PURPOSE:To converge ions in various shape on the surface of a substrate without being disturbed by neutral beams, by applying a voltage negative to an ion source to the substrate, and by setting a converging electrode having a hole corresponding to the converging shape of an ion beam in front of the substrate and having lower electric potential than that of the substrate. CONSTITUTION:In passing S evaporated from an S cell 12 through a thermion impulsive type ion source composed of an anode 7 and a filament 5 for thermion emission, a portion of the S is ionized. The S ions are accelerated in the direction of  a substrate 3 by the negative voltage applied to the substrate 3, and its orbit is bent by a converging electrode 4 which is arranged just before the substrate 3 and is grounded electrically. Neutral beam of S and neutral beam of Zn evaporated from a Zn cell 9 are allowed to pass through the hole 15 of the converging electrode without being affected by the electric field thereby growing ZnS film on the surface of the substrate 3. Said converging ion beams are allowed to arrive at the ZnS film to form desired pattern in accordance with the shape of the hole of the electrode 4.