baber/WOPTO huggingface dataset:
Patent JP-H01130333-A (JP)
Title: Focal error detecting device
Inventor: ISHIBASHI HIROMICHI
IPC: G02B7/28
Filed: 1987-11-17
Abstract: PURPOSE:To cancel the focal offset by the flaw on the surface of an optical recording medium by providing a quartered light receiving means symmetrically with an optical axis along a track far-field pattern. CONSTITUTION:Two light receiving means 40 are provided so that the respective may become symmetrical by interposing an optical axis and the means 53 adding the phase difference of the output signals of respectively two pairs of light receiving elements 40a-b, 40c-d is provided. The phase difference by the flaw on the surface of an optical recording medium can be offset without sacrificing the detection sensibility of the phase difference by a focal error. The focal error detecting device using a focal error detecting method by a phase difference method and yet causing no offset on the focal error signal by the flaw on the surface of the optical recording medium can thus be obtd.
Patent JP-H01132752-A (JP)
Title: Clad vessel
Inventor: ISHIKURA CHIHARU
IPC: C23C14/24
Filed: 1987-11-17
Abstract: PURPOSE:To provide a vessel having a long service life in high-temp. use by coating a Ta-base metal with a Pt-base metal in which oxides are dispersed. CONSTITUTION:This clad vessel is constituted by coating Ta or Ta alloy with Pt or Pt alloy in which oxides are dispersed. Since this vessel has excellent oxidation resistance, and further, oxides are dispersed in a coating film and grain growth at high temp. is inhibited, the service life of this vessel can be prolonged. Moreover, Al2O3, ZnO2, Y2O3, etc., are cited as the above oxides, and it is preferable to regulate the amount of oxides to about 0.02-10vol.%. The above clad vessel can be manufactured, e.g., by using two targets of Pt and Y2O3 simultaneously and executing binary simultaneous sputtering of the above two targets onto the inner wall of a crucible made of Ta.
Patent JP-H01130324-A (JP)
Title: Optical recording and reproducing device
Inventor: CHIYOMATSU NOBUMITSU
IPC: G11B7/126
Filed: 1987-11-16
Abstract: PURPOSE:To prevent an overwriting onto a recorded data part by providing the double writing preventing means preventing a writing by the output comparing the waveheight value of the reproduced signal of a record marking part with a specified level. CONSTITUTION:After performing the writing of data in a data part once the command of writing data in this data part is placed further, then the check signal of a recording finish discriminating circuit 11 becomes 'L' against the case of projecting a light on a lead marking part 11 by the light power and the detection signal of its being a double writing is outputted. A controller 12 immediately place the command of prohibiting the execution of data writing by the light power according to this signal. The double writing on the data part is thus prevented.
Patent JP-2000120510-A (JP)
Title: Fuel injection nozzle
Inventor: KATO MASAAKI
IPC: F02M61/18
Filed: 1998-10-13
Abstract: PROBLEM TO BE SOLVED: To provide a fuel injection nozzle in which the spray angle of a fuel is variable. SOLUTION: A first swirl groove 65 is formed on the column part 62 of a first swirl forming part 60 and the outer wall of a second truncated cone 63. The first swirl groove 65 is formed on four places so as to slant for the axis of a valve needle 20 from one end of the column part 62 upto the other end of the second truncated cone 63. The outer periphery surface of the second truncated cone 63 is formed with a conic angle which is slightly smaller than the inner periphery surface of a nozzle body 11 forming a valve seat 13 or same. Therefore, the spray angle of the fuel can be adjusted in response to the lift position of the valve needle 20 and a desired spray angle and the reach distance of the spray can be obtained in response to the load state of the engine.  Thereby, the fine graining of the fuel is expedited by a simple constitution without increasing the number of parts and the spray characteristic can be controlled.
Patent JP-H09105500-A (JP)
Title: Outflow preventing valve for liquefied gas
Inventor: OONISHI TETSUYA
IPC: F17C13/04
Filed: 1995-10-11
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of unexpected automatic opening by a method wherein when a liquid level of liquefied gas is raised, a valve element and a valve seat are moved in a seating direction by buoyancy of a float. SOLUTION: In such a state that a heat source is insufficient due to service interruption and an amount of consuming liquefied gas is abnormally high, a liquid level in a container body 1 is raised. In which case, since a float 3 is also raised by buoyancy, a magnetizing body 12 is gradually pushed up and as a result, a total sum of the resilient force of a spring 15 and buoyancy of the float 3 exceeds a total weight of a valve element 6, a valve seat 7, and a valve shaft 14, and the valve seat 7 is moved in the direction in which it seats a nozzle 5. When the magnetizing body 12 approaches a permanent magnet 11, a magnetizing force is strongly worked. When it approaches the permanent magnet in a specified distance, the magnetizing body 12 is attracted to the permanent magnet 11 and the valve is brought into a closed state.  When the valve is closed once, even when a liquid level is lowered again, the magnetizing body 12 is maintained in such a state to be left attracted to the permanent magnet 11, whereby automatic opening is prevented from occurring.
Patent JP-H09131799-A (JP)
Title: Optical molding device
Inventor: UENO TAKAKUNI
IPC: G03F7/20
Filed: 1995-11-09
Abstract: PROBLEM TO BE SOLVED: To stably supply an uncured material even when a large quantity of high viscosity uncured material is scooped up, by providing a porous member which forms a plurality of spaces for housing the uncured material between a plurality of plate-like bodies in a scooping-up section of an uncured material supply means. SOLUTION: When an uncured material in a container is to be housed in a plurality of uncured material housing spaces 35 between plate-like bodies 31, the uncured material is housed in a short time through a large number of holes of a porous members 33 or from openings at further upper parts, so that a time taken for scooping-up is short. On the other hand, when a dipper which houses the uncured material in a plurality of spaces 35 moves on a platform, though the uncured material in the spaces 35 tends to flow out and fall down on the platform arranged at the lower part by passing through the porous member 33, the uncured material attaches to the plate-like bodies 31, so that the flow-out can be restrained to a certain extent.
Patent JP-H03150226-A (JP)
Title: Nonmagnetic dark brown platy pigment powder and production thereof
Inventor: TAMARI KOUSAKU
IPC: C09C1/40
Filed: 1989-11-07
Abstract: PURPOSE:To obtain nonmagnetic dark drown platy pigment powder excellent in dispersibility, operating efficiency and heat resistance by making Mn present in a mixture of iron oxide or hydrous ferric oxide particles with potassium carbonate and a specific alkali metal salt and thermally burning the resultant mixture. CONSTITUTION:A mixture of iron oxide or hydrous ferric oxide particles having 0.003-30.0mu average diameter with potassium carbonate and one or more fluxes selected from chloride, sulfate, borate and silicate of an alkali metal is thermally burned at 830-1200 deg.C to provide a thermally burned substance. In the process, the following operation is carried out. That is Mn is contained in the aforementioned iron oxide or hydrous ferric oxide particles so as to afford 0.1-20.0 atomic % amount of Mn based on the total amount of Fe and Mn in the thermally burned substance. Alternatively, an Mn compound is mixed in the abovementioned mixture to provide the objective pigment powder. There is a correlation between the size of the iron oxide or hydrous ferric oxide particles used and the size of the produced potassium ferrite articles. Thereby, the size of the resultant potassium ferrite particles is increased with increasing size of the iron oxide or hydrous ferric oxide particles.
Patent JP-H11126741-A (JP)
Title: Aligning method, exposure method and aligner
Inventor: SHIRAISHI NAOMASA
IPC: H01L21/027
Filed: 1997-10-23
Abstract: PROBLEM TO BE SOLVED: To perform alignment and light exposure by using an accurately- calculated amount of base line without reducing a throughput. SOLUTION: Sequential base line measurement is measured to find a base line amount BLa, and simultaneous base line measurement is carried out to find a base line amount BLb, thus calculating a difference δ therebetween (steps 301 to 303). After N wafers are aligned and subjected to light exposure with use of the base line amount BLa (step 304), the N wafers are aligned and subjected to light exposure with use of a base line amount (BLb-δ) obtained by correcting the base line amount BLb based on the simultaneous base line measure with the difference (steps 305 to 308). Thereafter each time N wafers are processed, the simultaneous base line measurement is carried out; whereas each time M (M>N) wafers are processed, the sequential and simultaneous base line measurement are carried out.
Patent JP-2000122795-A (JP)
Title: Symbol to character converter and symbol to character converting method
Inventor: YAMAMOTO YOSHIMOTO
IPC: G06F3/02
Filed: 1998-10-13
Abstract: PROBLEM TO BE SOLVED: To convert symbol information to character information by simple operation. SOLUTION: A numeral-Kana correspondence table 9 stores correspondence relation between a numeral string consisting of at least a numeral and a Kana character string consisting of at least a Kana character. A conversion means 4 converts numeral information inputted from an input means 1 into at least a Kana character string candidate based on the correspondence relation stored in the table 9. A display part control means 7 outputs the Kana character string candidate converted by the means 4 to a display part 13.  A connection character table 11 stores information based on the appearance probability of each Kana character string and an ordering means 5 orders the Kana character string candidates to be outputted to the display part 13 based on the information stored in the table 11 and the means 7 outputs respective Kana character string candidates to the display part 13 based on the order determined by the means 5.
Patent JP-H11125701-A (JP)
Title: Plastic lens
Inventor: ICHIKAWA YUKIO
IPC: G02B1/04
Filed: 1997-10-23
Abstract: PROBLEM TO BE SOLVED: To obtain a plastic lens having a high refractive index, having excellent characteristics sufficient in terms of a small sp. gr. and consisting of copolymers by copolymerizing specific dithiol, 4,4'-bis(methacryloythio)diphenyl sulfide, divinyl benzene and a polymerizable monomer polymerizable with one of these components. SOLUTION: This plastic lens consists of the copolymer obtd. by polymerizing total 100 pts.wt. polymerizable compsn. consisting of (A) 30 to 70 pts.wt. dithiol component expressed by formula, (B) 15 to 50 pts.wt. 4,4'-bis(methacryloythio) diphenyl sulfide component, (C) 5 to 40 pts.wt. divinyl benzene component and 0 to 10 pts.wt. copolymerizable monomer component coolymerizable with one of the component (A), the component (B) and the component (C). In the formula, (n) is an integer from 0 to 2. The polymerizable compsn. may contain 0.02 to 5 pts.wt. α-methylene dimer as a component (D) in total 100 pts.wt. of the components (A) to (D).
Patent JP-H07126713-A (JP)
Title: Current collector shoe plate material made of copper-impregnated carbon sintered body having high toughness and high electrical conductivity
Inventor: KUBO SHUNICHI
IPC: B22F3/26
Filed: 1993-10-27
Abstract: PURPOSE:To produce a current collector shoe plate material made of a copper- impregnated carbon sintered body having high toughness and high electrical conductivity. CONSTITUTION:This current collector shoe plate material is constituted of a copper-impregnated carbon sintered body obtd. by impregnating Cu or a Cu alloy into a carbon fiber reinforced carbon sintered body having 18 to 27% porosity, and it has characteristics of >=1100kgf/cm<2> bending strength, >=4kgf.cm/cm<2> ChaRpy impact value and >=400XmOMEGA.cm resistivity. Thus, the current collector shoe plate material having excellent wear resistance can be obtd.
Patent JP-H11126156-A (JP)
Title: Programmable device and arithmetic processing method therein
Inventor: MIZUO MANABU
IPC: G06F7/53
Filed: 1997-10-23
Abstract: PROBLEM TO BE SOLVED: To make realizable a plurality of circuits regarding the evaluation of a computer architecture without lowering the processing capability by performing the arithmetic processing of a specified multiplying circuit. SOLUTION: The constituent bits (32 bits) constituting a multiplier are divided into two-bit parts, which are multiplied by 0, 1, 2, and 3. When the multiplicant is multiplied by '3', the value obtained by multiplying the multiplicand by -1 is outputted and at the same time, 1 is added to a partial term where the multiplicand is multiplied by a high-order partial product (the number obtained by multiplying the partial product by '4' is handled). Thus, the value obtained by multiplying the multiplicand by '-1' is outputted and at the same time, 1 is added to the partial term where the multiplicand is multiplied by the high- order partial product, so that the value obtained by multiplying the multiplicand by '1' is subtracted from the value obtained by multiplying the multiplicand by '4'. Consequently, the result of the multiplication of the multiplicand by '3' can be obtained.  Consequently, logic array blocks needed for the operation can be reduced.
Patent JP-H04165453-A (JP)
Title: Process condition establishment queuing system
Inventor: SHIRAGAMI KAZUHISA
IPC: G06F9/52
Filed: 1990-10-29
Abstract: PURPOSE:To confirm the establishment of process conditions according to a small frequency of interruption by indicating an interruption request for the process condition which requires the longest time for condition establishment among process conditions which are not satisfied. CONSTITUTION:When a data processing part 20 makes a request to inspect whether or not process conditions that a subordinate processor 1 has are deficient, a condition establishment inspection part 24 refers to display information on a process condition state display part 11 in the decreasing order of the time up to the condition establishment according to control information in an order information control part 21 and an interruption request indication part 23 sets the interruption request indication for an interruption request indication control part 12 for the process condition which requires the longest time for the condition establishment. Consequently, when the process condition indicating the interruption request is satisfied, other process conditions are normally satisfied yet, so the establishment of the process conditions can be confirmed by initiating a small number of interruptions.
Patent JP-2000145924-A (JP)
Title: Apparatus and method for controlling negative load of engine related to hydro-mechanical drive system
Inventor: BRIAN D CRASS
IPC: F16H47/04
Filed: 1999-10-13
Abstract: PROBLEM TO BE SOLVED: To improve controllability for negative load related to an engine by comparing an actual engine speed signal with proportional and component thresholds to generate proportional and laminated error signals, generating proportional and integrated control signals from the corresponding error, and composing the control signals to generate a command signal. SOLUTION: In a proportional feedback controller 105 in an engine over speed control device 100, an over speed proportional threshold and an actual engine speed are compared to obtain a proportional error, and the proportional error is multiplied by a proportional gain value to generate a proportional control signal (P). By an integrated feedback controller 110, an over speed integrated threshold and an actual engine speed are compared to otain an integrated error, and the integrating calculation is executed concerning the integrated error. The calculation result is multiplied by an integrated gain value to generate an integration control signal (I). After that, the obtained P and I items are composed and multiplied by a loop gain to generate an over speed signal.
Patent JP-2001111833-A (JP)
Title: Image processing device
Inventor: TAKEUCHI HIDETO
IPC: H04N1/60
Filed: 1999-10-13
Abstract: PROBLEM TO BE SOLVED: To provide an image processing device that can execute gradation correction of a gray level area in response to the intention of a user and execute more delicate gradation correction. SOLUTION: The image processing device is provided with a gradation correction means (CPU) that conducts gradation correction according to a gray level selected by a user based on a printed gradation correction sheet consisting of reference charts in each color of black, cyan, magenta, yellow for the adjustment of a single color gray level and of a plurality of test charts from a low gray level to a high gray level. The gradation correction means references the gradation correction sheet to execute the gradation correction by each gray level designated by the user.
Patent JP-S62153113-A (JP)
Title: Production of basic hydrated silicic acid
Inventor: KOGA YOSHIAKI
IPC: C01B33/187
Filed: 1986-12-09
Abstract: PURPOSE:To produce a basic hydrated silicic acid having high oil-absorption, by adding and reacting a mineral acid to an aqueous solution of an alkali metal silicate, separating produced hydrated silicic acid by filtration, contacting with a weakly alkaline compound and drying in air stream. CONSTITUTION:A mineral acid such as sulfuric acid, hydrochloric acid, etc., is dividedly added to and reacted with an aqueous solution of an alkali metal silicate such as sodium silicate to precipitate hydrated silicic acid in a state of fine powder. The produced hydrated silicic acid is separated by filtration. The wet cake of separated hydrated silicic acid or a slurry produced by dispersing said wet cake in an aqueous solution is made to contact with a weakly alkaline aqueous solution (preferably an aqueous solution of sodium carbonate or sodium acetate). Basic hydrated silicic acid produced by this process is separated by filtration and rapidly dried with air stream.
Patent JP-H09116143-A (JP)
Title: Semiconductor device and its manufacture
Inventor: MURAI ICHIRO
IPC: H01L29/78
Filed: 1995-10-16
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device which has an NUDC structure having good controllability in a channel region while the decline of a current driving capability is avoided and its manufacturing method. SOLUTION: A gate electrode 17 is composed of a conductive gate electrode main part 14 and gate side walls 15 and 16. A channel region under the gate electrode 17 has an NUDC structure composed of a P<-> -type impurity region 18 and P<+> -type impurity regions 19 and 20. The P<-> -type impurity region 18 is formed before the gate electrode main part 14 is formed and the P<+> -type impurity regions 19 and 20 are formed by ion implantation after the gate electrode main part 14 is formed and before the gate side walls 15 and 16 are formed. As ions are implanted in a direction vertical to the substrate, the ions do not penetrate into the neighborhood of the center part of the channel region.  Further, among gate oxide films on the channel region, gate oxide films 33 and 34 of both the end parts of the channel region have smaller thicknesses than the gate oxide film 13 on the longitudinally center part of the channel region to avoid the decline of a current driving capability.
Patent JP-H03153719-A (JP)
Title: Production of high-molecular weight unsaturated polyester
Inventor: TAKIYAMA EIICHIRO
IPC: C08F283/01
Filed: 1989-11-13
Abstract: PURPOSE:To produce a high-molecular weight unsaturated polyester without causing gelation by adding an organotitanium compound catalyst and phosphorous acid to a hydroxypolyester obtained from an alpha,beta-unsaturated polybasic acid and an arbitrary polybasic acid and removing glycol molecules from the mixture under reduced pressure. CONSTITUTION:0.01 pt.wt. organotitanium compound catalyst (e.g. tetraisopropyl titanate) and 0.005 pt.wt. phosphorous acid are added to 100 pts.wt. hydroxyl- terminated unsaturated polyester (having an acid value <=15, desirably <=10 and a number-average mol.wt. >=500 and obtained by esterifying an acid component comprising an alpha,beta-unsaturated polybasic acid or its anhydride and another unsaturated or saturated polybasic acid with a polyhydric alcohol), and glycol molecules are removed from the mixture under a reduced pressure <=5mmHg to obtain a high-molecular weight polyester of a number-average mol.wt. >=5000.
Patent JP-H08143113-A (JP)
Title: Method for registering and setting delivered/received parts or parts in stock in automatic warehouse
Inventor: YAMASHITA TOMIMASA
IPC: G06F19/00
Filed: 1994-11-28
Abstract: PURPOSE: To provide a registering method and a setting method where the specification information on parts in stock having a variety of specification items is visually registered and the delivery/receipt instruction is correctly set at the delivery/receipt in an automatic warehouse. CONSTITUTION: The content of the concrete specification information on the delivered/received parts or parts in stock is selectively combined to be coded, and the instruction for registration by this specification information is formed (S12), and the registration of the specification information based on this registration instruction is actually implemented (S13). The registered code is deleted only when it is not used in the instruction of the delivery/receipt or the control of the stock. In addition, the concrete content of the specification information on the delivered/received parts is selectively combined to be coded, and the instruction to be set by this specification information is formed (S12), and the specification information is actually set (S13) only when the specification information in this set instruction is preliminarily registered.
Patent JP-H06138138-A (JP)
Title: Motion measuring apparatus
Inventor: KUMAZAWA TOSHIHARU
IPC: G01P15/08
Filed: 1992-10-30
Abstract: PURPOSE:To provide an apparatus which reduces a motion detection error by a comparatively simple constitution, enhances the reliability of a motion detection and can reduce the cost. CONSTITUTION:This apparatus is provided with a plurality of apparatus is provided with a plurality of electric motion detectors D1 to DN designed and manufactured so as to have the same performance and with a means C which electrically averages and outputs error dispersion values of motion detection signals S1 to SN respectively output from the motion detectors. The motion detectors are arranged reduandatly in a multilinked shape in such a way that input axis directions B1 to BN for the plurality of motion detectors coincide respectively with the motion detection axis A of a moving body as the detection object of a motion.