baber/WOPTO huggingface dataset:
Patent JP-H06229737-A (JP)
Title: Method for inspecting surface defect of periodic pattern
Inventor: NAKANISHI MINORU
IPC: G01N21/93
Filed: 1993-02-05
Abstract: PURPOSE:To allow the full automation of inspection while enhancing inspection accuracy by setting the angle of elevation, at the time of first exceeding of a predetermined slice level, as an optimal angle of elevation when the predetermined slice level of the variation in the average quantity of incident light to a sensor due to variation of the angle of elevation is exceeded continuously by predetermined times. CONSTITUTION:A sample 7 being moved in the x-axis direction by a uniaxial moving stage 6 is irradiated obliquely and the transmitted light is captured, line by line, by means of a CCD line sensor camera 1. Luminance distribution on a scanning line is then converted into electric signals and fed to a signal processor 9. At an optimal angle of elevation of the camera 1, light is shaded by a normal hole 21 but transmitted through a hole 23 having defective part 22. A signal processor 9 subjects a line of image signals, being captured sequentially by the camera 1, to A/D conversion, emphasizes the defective part 22 through filtering, e.g. secondary differentiation, sustains a constant offset level, compares the signal with a preset slice level, and records a protruding signal as a defective signal.
Patent JP-H06230343-A (JP)
Title: Liquid crystal contrast adjusting device
Inventor: HIGAMI SADAHIKO
IPC: G09G3/18
Filed: 1993-02-05
Abstract: PURPOSE:To adjust the contrast of a liquid crystal panel to the optimum contrast for variation in ambient temperature or in the temperature in a liquid crystal unit by using an output value from an illuminance detecting means and an output value from a temperature detecting means. CONSTITUTION:An illuminance sensor 17 detects an illuminance value and an A/D conversion part 15 converts it into a digital value. A temperature sensor 18 detects a temperature value and an A/D conversion part 16 converts it into a digital value. A CPU 11 reads out the output result of the A/D conversion part 15 and the output result of the A/D conversion part 16 and calculates a set value for the optimum contrast from the read illuminance value and temperature value, writes the set value in a contrast adjustment part 14, and outputs a liquid crystal driving voltage to an LCD panel 13 corresponding to the set value written in the contrast adjustment part 14. The liquid crystal panel can be adjusted to the optimum contrast according to the luminance and ambient temperature of the environment wherein a user uses the liquid crystal panel.
Patent JP-S55113608-A (JP)
Title: Manufacture of spherical carbon or spherical activated carbon
Inventor: MORISHITA TOSHIYUKI
IPC: C01B32/384
Filed: 1979-02-20
Abstract: PURPOSE: To obtain spherical carbon or spherical activated carbon of such a large grain size that was not obtd. formerly in a high yield by melting and dispersion- granulating special starting material pitch in a dispersion solvent contg. a suspending agent in the presence of a fibrous substance followed by carbonization and activation.  
     CONSTITUTION: Petroleum or coal pitch contg. carbon 80W96.5wt% and a nitrobenzene insol. component 0W50wt% and having an H to C atomic ratio of 0.2W25 and a softening point of 50W350°C is mixed with a fibrous substance, in a ratio of 100/0.1W100/10 by wt., consisting of one or more kinds of fibers such as org. flame- resistant infusible fiber and carbon fiber and having a fiber length to diameter ratio of 5W500. This mixt. is melted and dispersion-granulated in a known dispersion solvent contg. a dispersant and a suspending agent. The fibrous substance facilitates homogenization and an increase in grain size, so a large grain size can be attained even from starting material pitch, and spherical carbon or spherical activated carbon of a large grain size fit for industrial uses is obtd. in a high yield through carbonization and activation processes. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08192256-A (JP)
Title: Continuous casting method
Inventor: MISUMI HIDEYUKI
IPC: B22D11/20
Filed: 1995-01-12
Abstract: PURPOSE: To stabilize the quality of products and the cost effectively produce the products by executing rolling down under specific conditions in regions where unsolidified molten steel remains, thereby producing the slab free from central segregation and center porosity and minimizing the regions of non- stationary parts. CONSTITUTION: The unsolidified rolling down is executed under the rolling down conditions satisfying the following equations I, II in the end period of solidification of an unsolidification rate of at least <=40% at the time of producing the slab 11 by using a continuous casting machine: 0.025<=(1-α)<=0.25... (I) (1-α)=δ/(D-2d)... (II), α: the ratio at which the molten steel existing in the rolling down zone position prior to the rolling down remains after the rolling down, δ: rolling reduction, D: a slab thickness, d: the solidification thickness on the inlet side of the rolling down zone. The unsolidified front end 15 of the slab 11 is rolled down by alternately operating a pair of upper and lower walking bars 12-2 on the inner side and a pair of upper and lower walking bars 12-1 on the outer side to descend, advance, ascend and retreat.
Patent JP-S62176305-A (JP)
Title: Dielectric resonator
Inventor: OKUYAMA AKIRA
IPC: H01P5/04
Filed: 1986-01-30
Abstract: PURPOSE:To obtain a dielectric resonator whose coupling degree is adjusted optionally by changing the physical distance between a coupling line and the dielectric resonator from the outside of a cut-off waveguide or a cavity resonator. CONSTITUTION:A dielectric rod 8 of a low dielectric constant is fixed to the dielectric resonator 2 at a position deviated from the structual turning center, supported by the cut-off waveguide 1 and the resonator 2 is turned freely around the dielectric rod 8 from the outside of the waveguide 1. The coupling line 4 is provided in parallel with the dielectric resonator 2 and fixed to the wall face of the waveguide by a microwave plug or the like. The dielectric resonator 2 is turned by turning the dielectric rod 8 from the outside of the waveguide 1 and the physical distance with the coupling line 4 is changed by the effect of eccentricity to obtain an optional electric coupling.
Patent JP-2000224144-A (JP)
Title: Receiver of cdma transmission system
Inventor: TERASAWA SADAHIRO
IPC: H04B1/712
Filed: 1999-01-27
Abstract: PROBLEM TO BE SOLVED: To simplify matrix arithmetic operation by a demodulation section of each finger in a receiver adopting the CDMA transmission system, where a plurality of fingers and combiners are provided to conduct RAKE synthesis. SOLUTION: This receiver, adopting the CDMA transmission system, uses correlation value signals ICOR, QCOR obtained by applying inverse spread processing to a baseband signal to decide a bit segmentation position from a correlation value signal by one slot, whose absolute value is a maximum so as to segment bits of the correlation value signal. A bit segmentation position is decided similarly even with respect to channel estimate value signals ACOS, ASIN from a channel infer section 205 to segment bits of the signals ACOS, ASIN. Then a demodulation section 208 conducts matrix arithmetic operation from correlation value signals ICOR'. QCOR' and channel infer value signals ACOS', ASIN' whose bits are segmented to obtain demodulated data ISYMB', QSYMB'.
Patent JP-H03227488-A (JP)
Title: Additive for paper-making process
Inventor: HAYANO SABURO
IPC: D21H17/37
Filed: 1990-01-31
Abstract: PURPOSE:To provide the subject additive having excellent strength, useful for paper making and consisting of a mixture of a water-soluble copolymer having small molar ratio of water-soluble cationic monomer to alpha,beta-unsaturated carboxylic acid, etc., and the above copolymer having large molar ratio. CONSTITUTION:The objective additive is a mixture of (I) a water-soluble copolymer containing (A) a water-soluble cationic monomer [e.g. dimethylaminoethyl (meth)acrylate] and/or its salt, (B) an alpha,beta-unsaturated carboxylic acid (e.g. maleic acid) and/or its salt and (C) (meth)acrylamide as essential constituent monomers wherein the molar ratio A/B is <1 and (II) a copolymer of the above monomer components wherein the molar ratio is >1 (the mixing ratio of I/II is preferably 95/5 to 5/95).
Patent JP-S62177776-A (JP)
Title: Magnetic disk device
Inventor: TSUBOI KOJI
IPC: G11B21/12
Filed: 1986-01-30
Abstract: PURPOSE:To obtain a device with high reliability by providing an actuator interlocking with a carriage with a fixed member and a rotating member integrally formed with the rotating shaft of the actuator and using an elastic body for at least one of them. CONSTITUTION:While a magnetic disk 4 is driven by a motor and rotates with a spindle 3, a positioning command is received from a master device. Then a positioning control circuit (not shown in figure) instructs the carriage 5, which executes a seeking action including a quick reciprocating movement. At that time the carriage 5 has the mass of the reciprocating part and movement energy in proportion to the product of the square of the speed. If the carriage 5 runs away, impact force equivalent to the energy arises. As the rotating member 9 is integral with the rotating central shaft of the actuator, it moves in relatively relating to the reciprocating movement of the carriage 5. Moreover said member 9 can contact the elastic fixed member 8, whereby the movement energy is absorbed at the time of run-away, and impact force is minimized. Accordingly a fault given to a magnetic disk device is made smaller.
Patent JP-H11220148-A (JP)
Title: Amorphous silicon solar cell
Inventor: NAGASAWA TAKESHI
IPC: H01L31/04
Filed: 1998-01-30
Abstract: PROBLEM TO BE SOLVED: To raise the utilization efficiency of an incident light and degree of freedom on the design for use. SOLUTION: A transparent film 1 is provided at the periphery of a transparent electrode 3. In this constitution, a light peculiar to an amorphous solar cell is shown only in a range A, a light incident on a part B repeats a multiple reflection in the transparent film 1 and enters an amorphous Si layer 4, and hence the effective area becomes larger than that of the part A to result in a high apparent conversion efficiency, i.e., a high power can be obtd., without expanding the area of a black part. The generation power can be increased, without increasing the area of the photoelectric conversion part, hence the area for obtaining the same generation quantity may be small, the degree of freedom on the design can be raised and the smaller the solar cell is, the more remarkable its effect becomes.
Patent JP-S63185647-A (JP)
Title: Thermal head
Inventor: SAKAI ITSUO
IPC: B41J2/345
Filed: 1987-01-29
Abstract: PURPOSE:To detect using up of ribbon stably with high accuracy, by integrally forming a pair of electrodes for detecting using up of ribbon in parallel with heating elements arranged in row on the substrate of a thermal head. CONSTITUTION:When printing is carried out, an ink ribbon slides against an anti-abrasion layer 5 and a pair of electrodes 4a, 4b arranged on one face of a substrate 1 so as to drive heating elements 2, 2,... selectively thus carrying out dot printing onto a print sheet through the ink ribbon. If predetermined amount of ink ribbon has been wound up and there is no residual ink ribbon, a conductive portion arranged at the end portion is fed to a thermal head and slided against a pair of electrodes 4a, 4b, and a ribbon used-up detection signal is produced when conduction between said electrodes 4a, 4b is detected. Here, said conductive portion slides while contacting tightly with head face due to the pressure contact force of head against a platen, and also contacts tightly with a pair of electrodes 4a, 4b, thereby using up of ribbon can be detected stably with a high reliability.
Patent JP-H04256515-A (JP)
Title: Cutting tool
Inventor: SHINO YOSHIYA
IPC: B23C5/06
Filed: 1991-02-12
Abstract: PURPOSE:To adjust at high accuracy the position of a tip blade provided in the groove of a tool main body. CONSTITUTION:Multiple slits 9 roughly perpendicular to the direction in which a tip blade 4 is adjusted by an adjusting screw 5 are formed on the mating surface with the blade 4 of an wedge body 7 for fixing the chip blade 4 in a groove 2, with a space provided between them in the adjusting direction. Protruded parts 10 left uncut between the slits 9 are made in contact with the tip blade 4 and the position of the tip blade 4 can be fine-adjusted by deflection of the protruded parts 10 even if the wedge body 7 is tightened.
Patent JP-H06230362-A (JP)
Title: Reflection type liquid crystal electro-optical device
Inventor: MATSUSHITA KATSUKI
IPC: G02F1/1335
Filed: 1993-02-05
Abstract: PURPOSE:To provide the reflection type liquid crystal electro-optical device which is practicable and can make bright, distinct and highly aesthetic color display by providing a visible light region with a cholesteric liquid crystal polymer film exhibiting a selective reflection characteristic CONSTITUTION:Incident light 11 is made incident on a liquid crystal cell 11, is rotated about 90 deg. in a polarization direction and is made incident on a quarter-wave plate 8. The light past this quarter-wave plate 8 is polarized to left-hand (right hand) circularly polarized and the light of the specific wavelength range of this polarized light is reflected by the cholesteric liquid crystal polymer film 9. The light other than a light within this range arrives at a light absorption plate 10 which absorbeds the visible light region. All the arriving light is absorbed if this light absorption plate 10 is a black plate. The specific light is reflected by the light absorption plate 10 and is transmitted again through the cholesteric liquid crystal polymer film 9 if the light absorption plate 10 is the plate having the characteristics to reflect only the light of a specific wavelength. The light of the specific wavelength reflected by the light absorption plate 10 and the light of the selective reflection wavelength reflected by the cholesteric liquid crystal polymer film 9 are synthesized. This light is emitted to make coloration.
Patent JP-H01197367-A (JP)
Title: Production of aluminum nitride sintered body
Inventor: TAKADA NAOHIRO
IPC: C04B35/58
Filed: 1988-01-29
Abstract: PURPOSE:To obtain a homogeneous AlN sintered body for a semiconductor substrate having a stable surface state by holding an AlN molded body with a sintering jig made of a high purity AlN sintered body and by sintering the molded body. CONSTITUTION:High purity AlN powder contg. no sintering assistant is sintered by hot pressing to obtain a sintering jig. An AlN molded body is held with the jig and sintered to obtain an AlN sintered body for a semiconductor substrate, etc. Even when the jig is repeatedly used at high temp., the surface state of the jig undergoes a very slight change and the jig is hardly deformed.
Patent JP-H10211375-A (JP)
Title: Needle thread exchanging device, automatic sewing machine and method for inspecting fitting direction of needle
Inventor: ONO YASUSHI
IPC: D05B43/00
Filed: 1997-01-31
Abstract: PROBLEM TO BE SOLVED: To ensure catching a thread on the apex of a needle when an exchanging thread is passed through a needle hole, to facilitate opening/closing of a driven gear, up and down of a thread clamp and adjustment of timing of driving of a wiper and furthermore to control mating pressure between a driving gear and the drivem gear. SOLUTION: A mechanism for driving driving and driven gears 44 and 52 for winding an original thread and a mechanism for elevating and lowering a thread clamp 45 and a wiper 46 are all supported only by either a face plate 55 of a machine head main body. An opening/closing mechanism of a driven gear 42, a moving mechanism for the thread clamp 45 and a moving mechanism of the wiper 46 are connected with each other and are driven by a single air cylinder 442. Dimension of bending of a spring 456 for controlling pushing pressure to the driven gear 42 to the driving gear 44 can be controlled by controlling fitting height of an auxiliary spring hook 47 for returning the gear.
Patent JP-S61180615-A (JP)
Title: Method of passing looper device
Inventor: SHIBUYA SATOSHI
IPC: B21C49/00
Filed: 1985-02-05
Abstract: PURPOSE:To make plate passing simple and easy in a looper device made up of plural fixed rolls and moving rolls by placing moving rolls outside of fitting position of fixed rolls and passing the plate, and forming a looper by shifting of moving rolls. CONSTITUTION:With moving rolls 2 positioned outside of fitting position of fixed rolls 1 of a looper device, a wire rope 7 attached to the tip of a band steel plate 5 is wound by a winch 16 and passing is made. Moving rolls 2 are pulled between fixed rolls 1 by traction of the truck of the winch 4 to form a looper. As moving rolls 2 are outside of fixed rolls 1 plate passing becomes very simple and easy, and no damage is given to the band steel at the time of passing.
Patent JP-H10234471-A (JP)
Title: Interdental cleaning device
Inventor: DUMLER NORBERT
IPC: A61C15/00
Filed: 1998-01-30
Abstract: PROBLEM TO BE SOLVED: To provide an interdental cleaning device capable of bringing out the advantageous rotating function and the prescribed stop position of a brush and at the same time, and assuring the application of a simple means or the required sufficiency from a viewpoint of plastic technologies. SOLUTION: This interdental cleaning device has a holder made of two shells 2 and 3, and a brush attached to the free end of the holder so as to be rotatable and replaceable. In this case, the device is provided with a ball socket type coupling socket made of two socket members 17 and 18 to be assembled or overhauled, so as to concurrently form a single socket member made of the members 17 and 18 on the ends of the shells 2 and 3, and a ball for the ball socket type coupling.
Patent JP-H07226692-A (JP)
Title: Receiver
Inventor: MURAMATSU YOSHIAKI
IPC: H04B17/00
Filed: 1994-02-16
Abstract: PURPOSE:To make possible binarization and to make possible the demodulation of the code system in an FSK by utilizing the difference for every sampling as the frequency discrimination from digital data. CONSTITUTION:In an digital frequency discriminator, the difference for every sampling of the recorded digital data is taken out in a difference circuit 30. In a comparison circuit 31, the taken out difference is compared with a value m. In an inversion circuit 32, '1' and '0' of the comparison result are inverted. A clock circuit 33 takes out an inversion state and clocks the times while the same state is continued. In a pulse circuit 34, when fixed time is continued, pulses are transmitted two times to the circuit 32 and a continuation state is interrupted once. The differences D1 and D2 between sampling data in shift frequencies f1 and f2 are obtained. When the difference of values which are larger than a value m is shown, '1' (or '0') is selected. When the difference of values which are smaller than the value m is shown, '0' (or '1') is selected. Thus, the digital data for which a frequency shift is performed is binarized.
Patent JP-S58141383-A (JP)
Title: Thin film forming device
Inventor: KAWANO KANJI
IPC: C23C14/35
Filed: 1982-02-12
Abstract: PURPOSE:To perform high speed sputtering at low temp. under conditions of low gaseous pressure by disposing an electrode for control of plasma to be excited between a pair of targets and a filament for thermionic emission so as to face each other in the side parts between said targets. CONSTITUTION:Gaseous argon is first introduced into a bell-jar 1 to about 2X 10<-3> Torr pressure, and about 5V, 10A current is flowed to a tungsten filament  12 to generate thermoelectrons. About 0-+400V voltage is applied to an anode  electrode 14 from a DC power source 16 to accelerate the thermoelectrons.  About -500--1,000V voltage is then applied from a DC power source 5 to  targets 2, 3 to generate electric discharge, whereby sputtering is performed and  a thin film is formed on a substrate 7.
Patent JP-S58138733-A (JP)
Title: Preparation of polycarbonate resin
Inventor: MATSUO SHIGERU
IPC: C08G63/00
Filed: 1982-02-12
Abstract: PURPOSE:To prepare the titled resin having excellent melt flow characteristics and melt elasticity, and storable and handleable easily, by carrying out the polycondensation reaction in a solution of a polycarbonate resin having high or low molecular weight under the conditions to form a polycarbonate resin having a high or low molecular weight. CONSTITUTION:A solution of a polycarbonate resin having a high or low molecular weight (homopolymer, copolymer, branched polymer, etc. obtained by the reaction of a diphenol compound with phosgene or diphenyl carbonate, etc., and having a viscosity-average molecular weight of 50,000-130,000 for the high molecular weight resin and 17,000-30,000 for the low molecular weight resin) is subjected to the polycondensation reaction under the conditions to form a polycarbonate resin having a low or high molecular weight, and the product is washed and pulverized to obtain the objective polycarbonate having a viscosity- average molecular weight or 25,000-40,000. It is preferable to obtain the low molecular weight polycarbonate from the solution of high molecular weight polycarbonate to facilitate the polycondensation reaction.
Patent JP-H05218993-A (JP)
Title: Signal multiplex transmission system
Inventor: ONISHI MAKOTO
IPC: H04J3/00
Filed: 1992-02-05
Abstract: PURPOSE:To obtain the signal multiplex transmission system with simple configuration and suited to a transmission line whose band is limited. CONSTITUTION:A sampling frequency converter having a variable band pass filter function is used as a TDM-FDM mutual converter 14, a transmitter 10 converts the TDM multiplexing signal into the FDM and the result is given to a receiver 12 via an FDM transmission line 11, in which the FDM signal is converted into a TDM by a converter 15 and processed by a signal demultiplexer 16. Thus, the multiplex system conversion with optional multiplex number without a limit of the sampling frequency is attained, the degree of design freedom of the signal multiplex transmission system is considerably improved and the configuration is simplified.
Patent JP-H03224972-A (JP)
Title: Elevator type multi-story parking device
Inventor: TSUKUNI KOICHI
IPC: E04H6/20
Filed: 1990-01-29
Abstract: PURPOSE:To effectively utilize spaces by a method in which pallet-elevating bases are provided to elevating paths, and a ride-in part is formed in one of the elevating paths in such a way as to permit vehicles to carry between the ride-in part and the other elevating path. CONSTITUTION:A parking section 2, a going-in and -out section 3 with an entrance opening 4, and two sets of elevating paths 7 and 8 having independently movable pallet-elevating bases 6A and 6B are provided. The bases 6A and 6B have each a pallet placer 10 and a carrying truck 13 is provided between the ride-in part 12 and the elevating path 8. In the ride-in part of the path 7, vacant pallets are supported, the base 6A is stopped to place vehicle on it, and the vehicle is carried in or out of parking trays 9 set along the path 7 or the path 8 by the placer 10. The utilizing efficiency of spaces can thus be raised.