baber/WOPTO huggingface dataset:
Patent JP-S61167964-A (JP)
Title: Automatic image density control method of copying machine
Inventor: OGITA YUSUKE
IPC: G03G15/08
Filed: 1985-01-21
Abstract: PURPOSE:To obtain a copy of invariably stable image density by detecting a current generated when toner is transferred from a developing roll to a photosensitive body and suppling the toner when an integral value attains to a preset threshold value. CONSTITUTION:A developing roll 10 is applied with a developing bias and the photosensitive body 1 and developing roll 10 contact each other across a developer which has sufficient electric resistance, so a leak current in developing bias application is about 0.2-0.05muA and a value larger than it is detected as a current value obtained when the toner is transferred from the developing roll 10 to the photosensitive body 1. When the integral value attains to the set threshold value, a driving motor 13a is rotated for a time corresponding to the integral value to supply toner into the housing 4a of a developing device 4. The amount of toner consumed during development is detected as a current value and toner suitable for the toner consumption is supplied newly to the developing device 4, so the toner content in the developer is held invariably constant and the density of a copy image is also constant.
Patent JP-S5291818-A (JP)
Title: Purification of aqueous solutions of acrylamide
Inventor: ASANO SHIROU
IPC: C07C233/09
Filed: 1976-01-28
Abstract: PURPOSE: To obtain the purified acrylamide which does not change with time, by (I) oxidizing partly an aqueous solution of the drude acrylamide, while keeping the oxygen concentration in the said solution equal to or higher than a specific value, and then (II) eliminating copper and other impurities from the oxidized solution by the treatment with ion-exchange resins. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000207227-A (JP)
Title: Arithmetic and logic unit
Inventor: YAGI OSAMU
IPC: G06F9/48
Filed: 1999-01-14
Abstract: PROBLEM TO BE SOLVED: To make a context switch fast. SOLUTION: A processor is provided with a register group 3, having registers storing data needed for operation by an arithmetic and logic unit 2 and a register group 3' having registers for temporarily saving the storage contents of the register group 3. Here, the register group 3' is connected to the register group 3 by a leased connection line path1.
Patent JP-S58125059-A (JP)
Title: Paper feeding device
Inventor: TAKESHITA MASAHITO
IPC: G03G15/00
Filed: 1982-01-22
Abstract: PURPOSE:To make the occurrence of paper jam difficult, by supporting pivotally either of upper and lower shoots, which are supported by indepenent constitution bodies, freely vertically shakably by said constitution body to hold the interval between both shoots constant. CONSTITUTION:An upper shoot 20 is fixed to an upper shoot holding frame 21, and a register roll 22 is supported pivotally through a bearing by the upper shoot holding frame 21 so that the register roll 22 is projected downward from a window for projection of the register roll similar to a lower shoot 7. In this case, even if the longitudinal position of the upper shoot holding frame 21 is different slightly, the interval between both shoots 7 and 20 is always held constant, and thus, the paper jam due to the variance of the interval between shoots is prevented.
Patent JP-H11198242-A (JP)
Title: Hose and its manufacture
Inventor: HORIMOTO AKIRA
IPC: F16L11/02
Filed: 1998-01-19
Abstract: PROBLEM TO BE SOLVED: To alleviate a load or a pressure loss at the time of extinguishing a fire without torsion or axially extending when a using pressure is applied to a hose, by applying a torsion corresponding to a torsion at the time of using of the hose at the time of molding of the hose. SOLUTION: A jacket 12 of the hose 11 is woven in a cylindrical state by picking wefts 14 to warps 13. A tube 15 molded in a cylindrical state by a thermoplastic elastomer is adhered to an inner surface of the jacket 12, and integrally adhered via an adhesive layer 16 of its outer surface to form a hose main body 17. An inner pressure is applied to the body 17 to apply a torsion corresponding to a torsion amount at the time of applying the using pressure and an elongation corresponding to an elongation amount in an axial direction to the completed hose 11, pressurized, heated, then cooled to preform it. At the time of using, even if a high inner pressure is applied to the hose 11, the hose 11 is not twisted or axially elongated, but held in a stable state.  Thus, an operator's load by holding a water discharging nozzle by hand and a pressure loss due to torsion of the hose 11 can be alleviated.
Patent JP-S57121985-A (JP)
Title: Watertight device for hatch cover
Inventor: SATOU KATSUYOSHI
IPC: B63B19/26
Filed: 1981-01-21
Abstract: PURPOSE:To open and close only necessary hatch covers for loading and unloading by providing triangular projections in lower parts of adjoining hatch covers and an inserting part between these two covers to connect these covers via connecting metal fittings for forming a series of watertight hatch covers. CONSTITUTION:Triangular projections are provided in lower parts of ajoining hatch covers 11 and 12, while an inserting part 1 is provided between both covers 11 and 12 to connect both covers via connecting metal fittings 8A, 8B, 9A,  and 9B for forming a series of watertight haatch covers. The lower part of the  inserting part 1 is cut by triangular shapes to be fitted to triangular projections  of both covers 11 and 12. For opening the hatch cover 12 only, connecting  metal fittings 8A and 9A are released from catching, and the adjoining hatch  cover is not necessary to be opened .
Patent JP-H05197807-A (JP)
Title: Defect checking device
Inventor: TAKECHI HIDEYUKI
IPC: G01B11/24
Filed: 1992-01-20
Abstract: PURPOSE:To detect the defects with satisfactory precision even with the similar change of the size of a checking subject, with the minute scratches, and with a projecting defect of a degree similar to that of a recessed defect by using a specific deciding method. CONSTITUTION:An image formed by a visible light camera 13 through the inner surface of a pipe 11 produces a difference of density compared with a part where the light did not pass. Then the image is binarized at an image processing part 14 based on a fixed level of density. The area of the parts having the levels '1' decided more than the fixed level of density is calculated out of the binarized image data. Thus the presence or absence of defects can be decided. The pipe 11 having the area less than a fixed level due to a fact that the light is cut by a foreign matter stuck on the inner surface of the pipe 11 is decided as a defect. Then the minute defects are secided together with the recessed defects and the projecting defects. That is, the image has the local cracks and the recessed projecting parts and the ratio is calculated between the shortest and longest distances set between the center and the end face of an area. Then a defect is decided when the calculated ratio is larger than '1'.
Patent JP-H026242-A (JP)
Title: Foldable car seat
Inventor: HERUMUUTO JIIPURERU
IPC: B60N2/10
Filed: 1989-01-18
Abstract: PURPOSE: To avoid a risk of personal injury in a folded passable position by erecting a cushion frame vertically together with a folded back rest so as to completely retract each constraining claw to the rear of a seat part for covering it at the seat part in the direction of getting in and out. CONSTITUTION: When a back rest 13 is moved beyond the half of a swing stroke, a round bar 50 is engaged with a hook 451. When it is further swung, a sliding piece 55 moves a constraining claw 35 from an engageably swing position to a disengageable swing position so as to allow a spring 43 to apply a force. When the slide piece 55 reaches the maximum height position, a hook 48 is slid under the constraining pin 51 so as to constrain the slide piece 55 at this position. At this position, the back rest 13 also reaches a completely folded position and ridges on a cushion 10, the folded cushion 10 can be erected at the passable position, and a gas pressure spring 19 assists the swing operation of a cushion frame 12. Next the constraining claw 35 is pulled into a base part 34 of a rear table leg 17, and the base part 34 is covered with a soft formed body 37. Thus passengers are never injured by the seat erected when a passenger passes through a passing space.
Patent JP-S59133649-A (JP)
Title: Data flow computer
Inventor: NAKADA KATSUTOSHI
IPC: G06F15/82
Filed: 1983-01-20
Abstract: PURPOSE:To change arithmetic contents in accordance with the discriminating function of a module without branching or the like while holding essential functions, by providing the data discriminating module, which performs the discrimination processing of data, to execute arithmetic. CONSTITUTION:After completing prescribed arithmetic by a data code and a data control code inputted to each bus interface through a system bus line 1, the results, are supplied to a discriminating module 4 through a bus interface 21-(N+1). The module compares inputted data with a comparison reference value which is set preliminarily in accordance with arithmetic processing contents. The comparison result is supplied to an operating module 3-(N+1) through a bus interface 21-(N+2). In the module 3-(N+1), the arithmetic processing is regulated by a discrimination result code accompanied with the input data code. Thus, the discriminating function is fed without preventing a fundamental processing sequence nor using another computer.
Patent JP-H04250732-A (JP)
Title: Wired communication system
Inventor: TATEZUKI KUNIHARU
IPC: H04J13/00
Filed: 1991-01-28
Abstract: PURPOSE:To facilitate stable spread spectrum communication by sending a low frequency clock signal to a wired transmission line and generating a high frequency clock signal for spread spectrum or inverse spread spectrum. CONSTITUTION:Each data processing section D sends and receives a data between a transmission section T and a reception section R of a MODEM M. The transmission section T applies spread spectrum processing to a transmission data from the processing section D and sends the result to a wired transmission line L. The reception section R applies inverse spread processing to the spread spectrum signal from the transmission line L and gives a reception data to the processing section D. A low frequency clock generator C is connected to the transmission L in addition to plural MODEMs M. The generator C generates a low frequency clock signal not subject to the effect of waveform distortion by taking the frequency characteristic of the transmission line L into account and sends the signal to the transmission line L. Each MODEM M generates a higher frequency clock signal based on the low frequency clock signal for the use of spread spectrum or inverse spread spectrum processing.
Patent JP-S57124045-A (JP)
Title: Idling revolution speed control method for internal combustion engine
Inventor: ITOU HIROSHI
IPC: F02D31/00
Filed: 1981-01-23
Abstract: PURPOSE: To suppress the revolution fluctuation during the engine idling by not making the feed back control of a step motor for flow control when the difference between the actual idling revolution and the predetermined idling revolution is below 20r.p.m..  
     CONSTITUTION: A step motor 9 which drives a flow control valve device 9 is connected to an electronic control unit 61 via a step motor drive circuit 60. The actual engine idling revolution detected by a revolution speed sensor 64 and the optimum engine idling revolution stored in ROM82 are compared in the MPU80 to have the flow control step motor 9 not to make a feed back control of a by- pass passage 16 when the difference of said comparison is below 20r.p.m. thereby suppressing the fluctuation of the engine revolution due to the change of the by-pass air volume. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H06221082-A (JP)
Title: Spraying device for shaft
Inventor: MIYOSHI TATSUO
IPC: E21D11/10
Filed: 1993-01-21
Abstract: PURPOSE:To form an excellent lining layer on the internal surface of a shaft surely by reducing a burden of a worker for confirming the condition of construction parts and for adjusting a spraying device. CONSTITUTION:In a spraying device for shaft, a device main body 2 with a spraying nozzle 45 is set in a shaft, spraying material and compressed air are fed from the shaft 3 to the device main body through a flexible pipe 6, and the spraying material is sprayed on the internal surface of the shaft 3 from the spraying nozzle 45. The device main body 2 is set in the shaft 3 movably in vertical direction. Also a drive device such as a hydraulic motor 42, etc., which holds the spraying nozzle 45 so that it can be turned by over one rotation in horizontal plane and turns the spraying nozzle 45 drivingly is installed on the device main body 2, and the spraying nozzle 45 is turned drivingly by a drive device.
Patent JP-S55100397-A (JP)
Title: Nitrosourea compound and its preparation
Inventor: TSUJIHARA KENJI
IPC: A61K31/7024
Filed: 1979-01-26
Abstract: NEW MATERIAL:A nitrosourea compound of formula I [R 1  is H, furyl, cycloalkyl, alkoxy, (substituted) phenyl group, etc.; A is alkylene group; R 2  is aldopentofuranosyl, aldopentopyranosyl, aldohexopyranosyl group, etc.].  
     EXAMPLE: 1-( 2-Fluoroethyl )-1-nitroso-3-( 2-methoxyethyl )-3-( D-ribofuranosyl )- urea.  
     USE: Carcinostatics, antileukemicas, and propagation inhibitors for malignant tumor cells of warm-blooded animals.  
     PROCESS: A urea compound of formula II is nitrosated with nitrous acid or nitrogen trioxide in the presence of a solvent, e.g. water. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H05192135-A (JP)
Title: Removing method for and transplantation of animal cell from carrier
Inventor: ISHIDA MASAHIKO
IPC: C12N5/00
Filed: 1992-01-21
Abstract: PURPOSE:To remove adhesive animal cells attached to a carrier without injuring them from the carrier followed by homogeneously dispersing them in a liquid and to transplant them onto a virgin carrier. CONSTITUTION:A cell-adhered non-protein organic carrier is separated from a culture solution, and then decomposed by a hydrolase with its carrier component as substrate and dissolved in a liquid, thus dispersing the cells in the liquid. When the cells separated are in the form of flocculates, the bonds among the cells are further broken with a protease. The cells are then separated from the liquid and made to adhere to a virgin carrier followed by culture. With this method, the cells can be made to uniformly adhere to the virgin carrier and proliferated on the carrier efficiently and in high density.
Patent JP-H04219362-A (JP)
Title: Binder for ceramic forming
Inventor: KADOI TOSHIO
IPC: C08F290/00
Filed: 1991-01-28
Abstract: PURPOSE:To obtain the title binder of improved moisture resistance by copolymerization between a sulfonate group-contg. unsaturated monomer, (meth) acrylic alkyl ester and/or alkoxyalkyl ester and a monomer of the formula. CONSTITUTION:A copolymerization is carried out in an aqueous medium in the presence of a polymerization initiator between (A) 0.5-10.0wt.% of a sulfonate group-contg. unsaturated monomer, (B) 40.0-90.0wt.% of a 1-8C alkyl group- contg. (meth)acrylic alkyl ester and/or 1-4C alkylene group-contg. (meth)acrylic alkoxyalkyl ester, and (C) 5.5-50.0wt.% of a monomer of the formula (R1 is H or methyl; R2 is 1-4C alkyl or phenyl; n is >2). The resulting system is neutralized with NH3 or an organic amine, thus giving the objective water base binder containing a copolymer with a weight-average molecular weight of 50000-500000. 100wt.% of ceramic powder is incorporated with 0.3-25.0wt.%, on a solid basis, of the present binder and molding auxiliaries such as water-soluble plasticizer and dispersant, followed by molding to obtain a ceramic form.
Patent JP-S55102013-A (JP)
Title: Sun tracking unit
Inventor: MINAMIMORI TAKAYUKI
IPC: F24S50/20
Filed: 1979-01-26
Abstract: PURPOSE: To increase the utilizing efficiency of sun ray, by tracking the sun intermittently with the sun sensor when the intensity detected for the direct sun ray is more than a given value and with the pulse control circuit when the direct sun ray is interrupted.  
     CONSTITUTION: The signal detecting the amount of direct sun ray with the direct sun ray level detection element 11 is amplified 12 and fed to the level set circuit 13. ON signal is outputted when the signal is more than a given level, to open the gates 15, 16 and OFF signal is outputted when less than the value to open the gates 17 and 18. In case of exceeding level, the signal from the photo detectors 21a, 21b, 31a, 31b, for each hour angle and declination tracking drives the motors 27, 37 via the amplifiers 24, 34 to track the sun accurately. Inversely, when the signal is under the given level, the gates 15, 16 are closed, and the gates 17, 18 are opened. Thus, the sun can intermittently be tracked based on the signals from the reference time  genrating circuit 41 and the rotational angle detection circuit 43. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S63176395-A (JP)
Title: Production of gallium nitride thin film
Inventor: IIJIMA KENJI
IPC: C23C14/24
Filed: 1987-01-16
Abstract: PURPOSE:To enable the formation of a gallium nitride thin film having high crystallinity and low impurity content at a low temperature, by reacting excited gallium with excited nitrogen and dissociated hydrogen. CONSTITUTION:A gallium nitride thin film can be formed on a substrate by reacting excited gallium or gallium-containing compound with excited nitrogen or nitrogen-containing compound and dissociated hydrogen. Gallium nitride can be synthesized at a low temperature because a reaction of an excited component is substantially a reaction having no activation energy. The high internal energy of the dissociated hydrogen promotes the reaction and migration of atoms on a substrate and the removal of surface impurities. Furthermore, a thin film having excellent crystallinity and electrical properties can be formed at a low temperature by the passivation effect of dangling bond with the hydrogen atom.
Patent JP-S5293044-A (JP)
Title: Elevator
Inventor: NAKADA HIROSHI
IPC: E05F15/14
Filed: 1976-01-30
Abstract: PURPOSE: To enable the use of a standard door closing device even in an elevator having a varying entrance height on the floor side, minimize a number of components required and thus attain cost of production. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S59136495-A (JP)
Title: Manufacture of electrodeposited matter at splash zone
Inventor: KASAHARA KOUICHI
IPC: E02B3/06
Filed: 1983-01-21
Abstract: PURPOSE:To easily and economically electrodeposit minerals in sea water onto a base member vertically provided on the sea bottom, by surrounding the splash zone of said base member with an absorbing member, and applying DC to it. CONSTITUTION:A base member 1 supporting a structure on the sea and having electric conductivity is vertically provided on the sea bottom 2, the splash zone of said base member 1 is surrounded with an absorbing member 3 such as sponge, and an electric conductive member 5 is provided inside said absorbing member 3. Hence, the upper part of the absorbing member 3 is impregnated with sea water 4 by capillarity, too. Thereafter, the anode and cathode of a DC power source are connected to the electric conductive member 5 and the base member 1, respectively, and a weak current is applied for a few months to electrodeposit minerals 6 in sea water 4 onto the splash zone of the base member 1.
Patent JP-H03212999-A (JP)
Title: Apparatus for mounting electronic component
Inventor: SAITO MINORU
IPC: B23P19/04
Filed: 1990-01-18
Abstract: PURPOSE:To accurately detect the holding state of an electronic component by a method wherein a light-diffusing device is installed at a member holding the component so as to be freely attached and detached, the electronic component is irradiated with light via the light-diffusing device and an image of the holding state of the electronic component is recognized. CONSTITUTION:A chip component Cp is irradiated by using an illumination device 16; an image recognition operation of the suction state of the chip component is started. As shown by a broken line (a), light which has been radiated from the illuminator 16 is transmitted through a diffusion plate 15 and is diffused. The chip component Cp is irradiated uniformly with the diffused light. On the other hand, e.g. as shown by a broken line (b), light with which a loading and unloading mechanism D or the like acting as a background at an image pickup operation of the chip component Cp cannot be directly incident on a camera 17 because the diffusion plate 15 exists. The light is diffused after it has been passed through the diffusion plate 15. Consequently, the image of an object situated at the upper side from the diffusion plate 15 of the loading and unloading mechanism O is not formed, and the image of only the chip component Cp is picked up. Thereby, the image can be processed easily, and it is possible to accurately detect the dislocation state of a suction position of the chip component Cp.
Patent JP-S60153185-A (JP)
Title: Light emitting diode
Inventor: IMOTO YASUMASA
IPC: H01L33/14
Filed: 1984-01-20
Abstract: PURPOSE:To obtain light emitting diodes capable of secure limitation of the current injected region and high-speed action by a method wherein a p type contact layer is enabled to be taken wider than a selective diffused region. CONSTITUTION:An n type InP stricture layer 10 is provided between a p type InGaAsP contact layer 1 and a p type InP clad layer 6, and the contact layer 1 is etch-removed by leaving the selective diffused region 4 and its neighborhood. The use of an etchant made of sulfuric acid, hydrogen peroxide, and water for this etching allows little etching of the n type InP stricture layer 10 of the lower layer. Therefore, even in the presence of the scatter in film thickness due to crystal growth, the p type contact layer 1 can be removed without overetching. Besides, the exposed stricture layer 10 is covered with an insulation film 2, so only the contact layer 1 is in contact with an ohmic electrode 5. Since the size of the contact layer 1 is set wider than the selective diffused region 4, the contact resistance between the contact layer 1 and the electrode 5 can be reduced, and the distance between the region 4 and the edge of the insulation film 2 can be kept large.
Patent JP-H03213836-A (JP)
Title: Self photographing method for camera
Inventor: UMETSU TAKAO
IPC: G03B17/40
Filed: 1990-01-18
Abstract: PURPOSE:To accomplish range-finding appropriate for photographing circumstances by selecting either a single beam mode or a multi-beam mode so that the range-finding is performed and detecting that a photographer gets in a photographed position, thereby performing a specified shutter releasing action. CONSTITUTION:Either the single beam or the multi-beam mode is selected according to the photographing circumstances in an automatic self mode so as to perform the range-finding. Then, 1st range-finding data AFD stored after performing the range-finding by a range-finding part 16 at the time of starting a sequence where self photographing is performed is compared with 2nd range- finding data obtained by repeatedly performing the range-finding in a fixed cycle thereafter. When the change of the range-finding data is detected, a CPU 10 judges that the photographer gets in the photographed position to start the specified shutter releasing action. Thus, a waiting time is shortened, the range- finding before starting a self-operation is made needless, and the range-finding appropriate for the photographing circumstances is accomplished.