baber/WOPTO huggingface dataset:
Patent JP-H06264918-A (JP)
Title: Conductive roll
Inventor: TSUCHIYA KENICHI
IPC: F16C13/00
Filed: 1993-03-10
Abstract: PURPOSE:To provide a conductive roll whereby a proper electric resistance is maintained even if it is used for a long period and also an excellent image can be obtained. CONSTITUTION:A conductive elastic body layer 27 is formed on the outer periphery of a core metal 26, a softening agent moving prevention layer 28 formed mainly of N-methoxymethyl nylon is formed on the outer periphery of the conductive elastic body layer 27, a resistance adjusting layer 29 formed of a composition mainly of (A) component as described below is formed on the outer periphery of the softening agent moving prevention layer 28, and a protective layer 30 formed mainly of N-methoxymethyl nylon is formed as the outermost layer on the outer periphery of the resistance adjusting layer 29. (A) At least one of Epichlorohydrin rubber and acrylic rubber, and ion conductive agent.
Patent JP-S56147486-A (JP)
Title: Manufacture of schottky diode
Inventor: KOBAYASHI MASAO
IPC: H01L29/861
Filed: 1980-04-17
Abstract: PURPOSE:To enhance rectifying characteristics by doping an electron receiving compound from one surface of acetylene high polymer molded product with a specified bulk density, imparting conductivity gradient in the thickness direction, and depositing Al and the like on the low conductivity side. CONSTITUTION:The molded product of acetylene high polymer is unstable if its bulk density is too high, and is hard to give an electric conductivity gradient if it is too low. Therefore, it is determined to be 0.7-1.2g/cm<3>. The electron receiving compound such as halogen, metal halide, proton acid, and the like is introduced from one surface of nonporous high polymer molded product. The kind, the quantity, and the adding conditions of said electron receiving compound are selected, the conductivity is set at 10<-9>-10<3>/OMEGA.cm, and the gradient can be imparted to the electric conductivity ranging from a semiconductor region to a metallic region. Doping is performed at 200 deg.C or less, a specified metal such as Al or the like is evaporated, and the conductivity of 10/OMEGA.cm or less is obtained on the evaporating side. Thereafter a metal is deposited in a conventional method, and the Schottky junction having excellent rectifying characteristics characterized by a large mechanical strength and good stabilization against oxidation can be obtained.
Patent JP-H02229704-A (JP)
Title: Production of aluminum nitride powder
Inventor: HIRAMATSU ITSUKI
IPC: C01B21/072
Filed: 1989-03-01
Abstract: PURPOSE:To prevent a decrease in the nitriding rate due to the melting and aggregation of metallic aluminum powder and to facilitate the powdering after a nitriding reaction by adding a dibasic acid ester to a mixture of metallic aluminum powder and aluminum nitride powder, mixing the materials and heating the mixture in a nitrogen-contg. atmosphere. CONSTITUTION:A mixing assistant contg. a dibasic acid ester is added to a mixture of metallic aluminum powder and aluminum nitride powder, the materials are mixed, and the mixture is heated in a nitrogen-contg. atmosphere. From 0.5 to 10 pts.wt. of the dibasic acid ester is preferably added to 100 pts.wt. of the mixture of metallic aluminum powder and aluminum nitride powder and 20-100 pts.wt. of aluminum nitride powder to 100 pts.wt. of metallic aluminum powder. Dibutyl phthalate, dioctyl phthalate, diisodecyl adipate, etc., are exemplified as the dibasic acid ester.
Patent JP-S51124614-A (JP)
Title: A hardening method and hardening apparatus for steel sleeves
Inventor: KATOU YASUTOSHI
IPC: C21D9/08
Filed: 1975-04-25
Abstract: PURPOSE:In hardening sleeve rolls for rolling mills,the surface is hardened to required hardness and hardening of the inner surface is retarded to the hardness at the tempering to improve fracture resistance and crack resistance of the sleeve rolls.
Patent JP-S58166295-A (JP)
Inventor: KOMAI NORIMITSU
IPC: G21D3/08
Filed: 1982-03-27
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H11252416-A (JP)
Title: Attaching method for solid-state image-pickup device
Inventor: KASHIWANUMA YASUNORI
IPC: H04N5/372
Filed: 1998-03-02
Abstract: PROBLEM TO BE SOLVED: To make the thickness small which is required for attaching a CCD package, to highly accurately attach the CCD package to an optical unit, and also to improve the operability of attachment. SOLUTION: First, a CCD package 10 is surface mounted on a flexible substrate 30. Then, the upper surface of the CCD package 10 parallel to the image formation surface of a solid-state image-pickup device chip 12 is used as reference surfaces 20 and 22, the reference surfaces 20 and 22 are abutted on the reference surface 41 of the optical unit 40, and the CCD package 10 is pressurized by a leaf spring 50 and fixed to the optical unit 40. Thus, positioning inside the plane of the image formation surface of the solid-state image-pickup chip 12 (that is, the positioning of the center of the effective image-pickup surface of the solid-state image-pickup chip 12 and the optical axis of the optical unit 40) is performed, and the positioning of the rotation of the effective image- pickup plane is made.
Patent JP-S56146273-A (JP)
Title: Semiconductor device
Inventor: FUSE MAMORU
IPC: H01L29/72
Filed: 1980-04-16
Abstract: PURPOSE:To enhance the electrostatic breakdown withstanding intensity of the semiconductor device by a method wherein a part of a base region from an emitter region up to a base contact is so formed as the path of a current flowing in the  neighborhood of the surface is made to become narrow. CONSTITUTION:The base region 13, the emitter region 11, the base contact 14 and an emitter contact 12 are formed in a collector region 15, and especlally a constricted part is provided in the base region part from the emitter region 11 up to the base contact 14 as to make the current path to narrow. Accordingly the current concentration at the corner parts of the emitter region 11 being the main cause of electrostatic breakdown can be prevented.
Patent JP-H09239211-A (JP)
Title: Acid-resistant filter
Inventor: WATANABE HIROSUKE
IPC: B01D39/14
Filed: 1996-03-07
Abstract: PROBLEM TO BE SOLVED: To provide an acid-resistant filter with excellent acid resistance, chemical resistance, durability, etc., even in a severe acidic atmosphere by constituting a felt with an arom. polyamide fiber on the surface of which inorg. fine particles and fluorinated resin fine particles are sticked by using a thermoplastic fluororesin. SOLUTION: In a filter prepd. by molding integrally a felt on a base fabric, the felt comprises an arom. polymide fiber on the surface of which inorg. fine particles and fluororesin fine particles are sticked by using a thermoplastic fluororesin. As the inorg. fine particles, feather-like alumina sol is especially pref. As the fluororesin fine particles, polytetrafluoroethylene fine particles are especially pref. As the thermoplastic fluororesin, a copolymer of perfluoroalkyl methacrylates of acrylates are especially pref. As the arom. polyamide fiber constituting the felt intergrally molded on the base fabric, polymetaphenylene isophthalamide is especially pref.
Patent JP-S57164431-A (JP)
Title: Magnetic recording medium and its manufacture
Inventor: ARAI YOSHIHIRO
IPC: G11B5/85
Filed: 1981-04-02
Abstract: PURPOSE:To obtain a magnetic recording medium which is excellent in durability, a  running property, etc., by forming a magnetic metal vapor-deposited thin film on a  base body, and after that, forming an oxidized metallic layer on the surface, and  laminating on said layer a high polymer, higher fatty acid, fatty acid ester, or a protective film which has combined them. CONSTITUTION:A nonmagnetic base body (polyester film, etc.) W is drawn out from a  roll 10, Gaseous Ar is supplied from a pipe 12, the surface of the base body W is  cleaned by glow discharge in the vacuum by an electrode 13, and after that, a magnetic  metallic thin film A is formed on the base body W in a chamber 4 by heating and evaporating Co, etc. from an evaporation source 18. Subsequently, in an oxidizing  treatment chamber 5, gaseous O2 is supplied from a pipe 20, a current is supplied from  a high frequency electric power source 21, high frequency electric power is applied to  a coil 23, the surface of the metallic film A is oxidized, and an oxidized metallic layer  B is formed. Subsequently, a protective layer C is formed by vapor-depositing a high  polymer, higher fatty acid and its ester in a protective vapor-deposition chamber 6, or vapor-depositing that which has combined them. In this way, it is possible to obtain a  recording medium which is equal to both the tape running directions E, F and is excellent in its durability, irrespective of the direction D of the film A by means of vapor- deposition D in the slanting direction.
Patent JP-S53135895-A (JP)
Title: Electrochemically coloring-decoloring device
Inventor: KOBAYASHI MASATSUNE
IPC: G02F1/15
Filed: 1977-05-02
Abstract: PURPOSE: To provide an image display cell having improved durability of repeated writing → memory → erasing cycles, obtd. by adding a specified amt. of cystine to a an electrolytic soln. in a coloring-decoloring device applying electrochemichromism. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S62206691-A (JP)
Title: Character recognizing device
Inventor: ARIYOSHI SHUNJI
IPC: G06K9/03
Filed: 1986-03-07
Abstract: PURPOSE:To inspect a character recognition result density and securely by sorting recognition results according to their character codes and displaying character patterns which are recognized as the same character code at the same time. CONSTITUTION:Entry information of an original 1 is inputted as an image by a scanner 2 and stored in an image buffer 3. A character detecting and segmenting part 4 detects and segments a character pattern, character by character, from the stored image information and a character recognition part 5 recognizes the character pattern. The recognition result is outputted as a character code to a character rearrangement part 6 and the detecting and segmenting position of the character pattern which is already recognized in the document image stored in the image buffer 3 is outputted by the character detecting and segmenting part 4. The character rearrangement part 6 sorts recognition results according to the order of the numbers of character codes and a character output part 7 reads character patterns which are recognized out of the image buffer 3 in the order of the sorting of their recognition results and displays them in order.
Patent JP-H04214010-A (JP)
Title: Method and device for growing superconducting film
Inventor: NAKAO HIROSHI
IPC: C30B25/02
Filed: 1991-03-14
Abstract: PURPOSE:To obtain superconductive film having good flatness and homogeneity at a relatively low growth temp. by supplying an oxidizing agent in a plasma CVD method using a halide as a raw material. CONSTITUTION:The raw material mounted in a source boat 7 in a cell 6 is heated by a cell heater 8 and the evaporated raw material is transported by a carrier gas and is supplied as the gaseous raw material onto the substrate 1 in a growth chamber 4 in a reduced pressure state. The oxidizing agent is supplied from an introducing pipe 100 provided at the center of an upper electrode 2 onto the substrate 1. The substrate 1 is heated by a substrate heater 5 and the oxide superconductor is grown in the state of generating the plasma of the oxidizing agent by impressing a high-frequency electric field. The halide of the element constituting the oxide superconductor is grown as the desired oxide superconducting film on the substrate in the state of converting the oxidizing agent to the plasma by this method, by which the need for annealing after the film formation is eliminated.
Patent JP-H07234672-A (JP)
Title: Pitch detection device
Inventor: ANDOU TOKIHARU
IPC: G10G3/04
Filed: 1994-02-24
Abstract: PURPOSE:To provided the pitch detection device which is reducible in circuit scale. CONSTITUTION:The digital waveform signal inputted from an input I/O 14 is written in a RAM 13 and this digital waveform signal is divided into plural time blocks and processed by filter bank arithmetic, block by block. The filter bank arithmetic is performed by a CPU 11 according to a program stored in a ROM 12, and unit filters are repeatedly used in common for the arithmetic. Further, an estimating processing a basic wave bank and a correcting processing the estimated bank based upon specific algorithm are performed to decide the bank that a basic wave belongs to. Then pitch data on the inputted digital waveform signal are detected and outputted from an output I/O 15.
Patent JP-H05116816-A (JP)
Title: Method and device for joining together packaging webs end to end
Inventor: HAINTSU FUOTSUKE
IPC: B65H19/26
Filed: 1992-03-06
Abstract: PURPOSE: To conduct a change of material web avoiding a manual operation as much as possible when a packaging material web supplied to a folding turret has been used and the reel has been emptied. CONSTITUTION: A severing and connecting unit 17 in which a running web 15 is automatically severed and connected to a readily held connecting web 16, is provided. In order to control the connecting position of the web, a mark of the running web is scanned while the conveying speed is greatly reduced. After the mark has been detected, the web is stopped and the severing cut is applied while it is simultaneously joined to the connecting web 16 which is held ready precisely in the proper position. During the change of webs, the folding turret 17 can continue to operate if a sufficient web store is present. It is, however, also possible to reduce the web store to stop the turret or a blank unit for producing blanks for a short period.
Patent JP-S52134359-A (JP)
Title: Pulse generator
Inventor: HATAKEYAMA KEISHIN
IPC: H02M1/08
Filed: 1976-05-04
Abstract: PURPOSE: To enable the extremely faster leading speed and economy in the pulse generator providing the switching element switched by ac power input and control input. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H07261793-A (JP)
Title: Interactive processor
Inventor: WATANABE KEISUKE
IPC: G10L15/18
Filed: 1994-03-22
Abstract: PURPOSE:To obtain an interactive processor which is capable of efficiently executing designing and managing of sentence structure knowledge and interactive management knowledge and smoothly maintaining interaction without interrupting the interaction between the system and a user even if an unknown word is included in input text. CONSTITUTION:A knowledge forming section 2 reads the operation command outputted by an interactive state managing section 6 and the stage knowledge and item sentence structure knowledge with which the operation command outputted by an interactive state managing section 6 and the sentence structure as a row of items are made correspondent out of an integrated knowledge memory section 1. This section forms and outputs the interaction state knowledge and the sentence structure knowledge. A natural language analyzing section 5 executes natural language analysis of the input text and outputs the received sentence structure number to the interactive state managing section 6. The interactive state managing section 6 outputs the operation command corresponding to the received sentence structure number to an external device which determines the stage to be transferred and transfers the stage. An unknown word processing section 8 estimates the items having a probability to be filled by the unknown word system estimated by the natural language analyzing section 5 to one and outputs this item to the interactive state managing section 6 described above. The interactive state managing section 6 outputs the operation command corresponding to the unknown word to the external device.
Patent JP-S63218529-A (JP)
Inventor: SHIOZAKI ISAO
IPC: C04B38/00
Filed: 1987-03-06
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H04269340-A (JP)
Title: Valve timing control device for engine
Inventor: FUJIMOTO MISAO
IPC: F01L1/34
Filed: 1991-02-25
Abstract: PURPOSE:To prevent the deterioration of engine combustibility and an engine stop by detecting the brake pedal depressing quantity exceeding the specified value, and controlling valve timing adjusting mechanism on the basis of this detection in such a way as to reduce an intake-exhaust overlap period. CONSTITUTION:In an engine 1, an intake-exhaust overlap period is changed by a valve timing adjusting mechanism 17 according to the engine speed. The valve timing adjusting mechanism 17 is controlled in such a way as to enlarge the overlap period at least in a normal rotating region. The depressing quantity of a brake pedal 24 is detected by a brake pedal depressing quantity sensor 26, and the valve timing adjusting mechanism 17 is forcibly controlled to reduce the overlap period. This results in preventing the deterioration of engine combustibility or an engine stop caused by the response delay of the valve timing adjusting mechanism 17 at the sudden braking time.
Patent JP-H10246639-A (JP)
Title: Angular-velocity detecting device
Inventor: HARA CHIKAFUMI
IPC: G01C19/5663
Filed: 1997-03-05
Abstract: PROBLEM TO BE SOLVED: To obtain an angular-velocity detecting device whose production process is simplified and whose production costs are reduced by a method wherein a Coriolis- force detecting electrode for displacement detection in the Y-axis direction is formed inside the same layer as a first beam part and a second beam part. SOLUTION: When an angular velocity in which the Z-axis direction as a direction perpendicular to a substrate 32 is used as an axis of rotation is applied to a second beam part 36, the Coriolis force acts in the X-axis direction as the long direction of a first beam part 35. As a result, due to a resultant force which is composed of the Coriolis force and of a driving force in the X-axis direction acting on the second beam part 36, the second beam part 36 is displaced by drawing an elliptical orbit along the face of the substrate 32, and an angular-velocity detecting device is constituted of the second beam part 36, of a first Coriolis-force detecting electrode 40 and of a second Coriolis-force detecting electrode 41.  The detecting capacitance of a Y-axis Coriolis-force detecting capacitor 73 is changed, an output voltage which corresponds to a change in the capacitance value of the Y-axis Coriolis-force detecting capacitor 73 is output, its output signal is input to a computer unit, and the angular velocity which uses the Z-axis as the axis of rotation can be detected.
Patent JP-S56148171-A (JP)
Title: Control circuit of thyristor
Inventor: NISHINO HIROYUKI
IPC: H02M1/08
Filed: 1980-04-16
Abstract: PURPOSE:To simplify a circuit construction and to reduce a consumption power and heat generation by a method wherein the control circuit is switched over with a transistor, a voltage response switch and an impedance for voltage dividing. CONSTITUTION:The control circuit N is formed by a parallel circuit of a low impedance circuit N1 and a high impedance circuit N2. The low impedance circuit N1 is formed by resistors R1, R3 and a transistor Tr, the high impedance circuit being formed by a resistor R2 and a silicon bilateral switch (SBS)Q3 and the SBSQ3  being connected in parallel between a base and emitter of the transistor Tr through  the resistor R3. The control circuit N is connected to a direct current terminal of a  diode bridge DB and an AC terminal of the diode bridge DB is connected to both  ends of a controlling power source VG of which commercial power source VS is  taken out of a tap of a primary winding of a transformer Tf through a series circuit  between an SBSQ1 and terminals G, T1 of a triac S1.
Patent JP-S60195796-A (JP)
Title: Integrated circuit memory device
Inventor: NOGUCHI YOSHIO
IPC: G11C11/409
Filed: 1984-03-19
Abstract: PURPOSE:To improve the speed of memory reading out operations, by making the layout of the sense amplifier of a DRAM in such a way that the upper and lower power source switching circuits are respectively positioned to both ends of their object sense amplifier array. CONSTITUTION:The MOSFETQ3 of a Pch and MOSFETT5 of an Nch turn on and turn off the power source to a sense amplifier array with a sense amplifier driving signal and the MOSFETQ3 and MOSFETT5 are installed to the sense amplifier SA1 side and sense amplifier SAn side of the array, respectively. In the case of the sense amplifier SA1, the wiring resistance at VCC side is relatively small and a data line DL quickly rises. In the case of the sense amplifier SAn/2 at the center of the array, the VCC side and VSS side have almost the same wiring resistances and the electric potential of each data line is branched to a high or low level at the same speed. In the case of the sense amplifier SAn, the rise of one data line is quick and rise of the other data line is slow. The potential difference of the differential output signal of a pre-sense amplifier is sent to a main amplifier when the potential becomes sufficiently larger than the detecting error of the main amplifier.
Patent JP-H10340139-A (JP)
Title: Portable computer cooling device
Inventor: BEHL SUNNY
IPC: G06F1/20
Filed: 1998-03-03
Abstract: PROBLEM TO BE SOLVED: To cool a case that accumulates heat by attaching a fan to a 1st end part, flowing air through a PC slot via an air guiding path and air holes to circulate it, cooling an electronic device and also attaching an electric connector to a 2nd end part. SOLUTION: A card is provided with a fan 38, the fan 38 is attached to a 1st end part 24. Air is taken in from an air entrance 26, flows through an air guiding path 36, is sent out from a 2nd end part 28 through air holes 30, is circulated through a PC slot and cools a portable computer. In such cases, a PC card connector 32 is attached to the part 28, a PC card is inserted into the PC slot of the computer and power is fed to the fan 38. This cools the case of the portable computer which accumulates heat.
Patent JP-H07238302-A (JP)
Title: Sintered titanium filter and production thereof
Inventor: IWAI MAKOTO
IPC: C22C1/04
Filed: 1994-02-25
Abstract: PURPOSE:To produce a filter medium excellent in resistance to corrosion and oxidation by mixing the powder of sponge titanium with the powders of Ta, Zr, V, etc., as required, compacting the mixture and sintering the compact. CONSTITUTION:A sponge Ti is pulverized to 1-300mum, the obtained fine powder is mixed, as required, with one or >=2 kinds of metal powders of Ta, Zr, V, etc., and the mixed powder is filled in a die. In this case, the powder of a low-m.p. metal or nonmetal which is melted in sintering may be added to the mixed metal powder consisting essentially of sponge Ti to specify the diameter of the hole of a filter for the end product. The metal powder consisting essentially of sponge Ti in the die is compacted, e.g. at 50-2000kg/cm<2> pressure, and the compact is sintered at 800-1600 deg.C in vacuum or in the atmosphere of an inert gas such as Ar, He and N to produce the filter. Expensive metallic Ti is not needed since the sponge Ti is used for the raw material, and a filter excellent in resistance to corrosion and oxidation is produced at a low cost.
Patent JP-H11249320-A (JP)
Title: Brush pressure adjusting structure of brush roller for photosensitive material processor
Inventor: ICHIKAWA KAZUO
IPC: G03F7/30
Filed: 1998-03-03
Abstract: PROBLEM TO BE SOLVED: To quantitatively recognize the quantity of a brush pressure to be adjusted, to execute the brush pressure adjusting work with a small adjusting work and to improve a working efficiency. SOLUTION: An index pointer part 218B is attached to a control knob used also as an index cap 218, and a scale plate 220 is arranged in accordance with the index pointer part 218B, then, the index is regarded as a standard of a correlation between the manipulated variable of the control knob used also as an index cap 218 and the moving quantity of a backup roller 40, then, the adjustment work is facilitated.