baber/WOPTO huggingface dataset:
Patent JP-H0927101-A (JP)
Title: Magnetic memory method and magnetic memory device
Inventor: TOMIYAMA HIROSHI
IPC: G11B5/09
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To attain high-density and high-frequency recording without changing a recording head material and specifically reducing the distance between a magnetic head and a magnetic recording medium and without deteriorating the overwriting characteristic of the magnetic recording medium, the magnetic head and a recording and reproducing amplifier. SOLUTION: The design of a magnetic memory device is executed in such a manner that the various parameters determined by the magnetic head, the magnetic recording medium, recording amplifier, etc., satisfy the following equation 1, equation 2 or equation 3: v×(tr +tf )/2<=L (1) v×(tr +tf )<=2π×Br×tmag / Hc (2) fw <=1/(tr +tf ) (3). In the equations, (v) is the relative speed (m/sec) between the head and the medium; tr is the rising time (sec) of the recording current, tf is the falling (sec) of the recording current; L is the magnetization inversion width on the medium; Br is the residual magnetic flux density (Gauss) of the magnetic recording medium; tmag is the magnetic film thickness (m) of the magnetic recording medium; Hc is the coercive force (Oe) of the magnetic recording medium; fw is a recording and reproducing frequency (Hz).
Patent JP-S5960414-A (JP)
Title: Photodetector incorporating attenuating function
Inventor: TAKANO SHIZUKA
IPC: G02B6/26
Filed: 1982-09-29
Abstract: PURPOSE:To decrease the number of parts and parts requiring precise work and assembly and to reduce the price of titled photodetector, by incorporating an attenuating element in the photodetector in one body. CONSTITUTION:A photocoupler 2 is inserted into the photodetector 1A and coupled by a screw part 13 and a cap nut 22. Light from an optical fiber cable 24 is propagated to a photodetecting element 14 through optical fibers 26 and 43 and attenuated by an attenuation film 47 as specified. Attenuating elements 18 having attenuation films 47 different in thickness stepwise according to the necessary amounts of attenuation are prepared, and an element 18 is replaced to obtain optional attenuation, making a photodetection level adjustment. An optical fiber 43 provided to the element 18 is larger in core ratio than the fiber 26. Thus, the light is increased in diameter as it reaches the element 14 through the optical fibers 26 and 43 to prevent transmission loss at respective connection parts even when there is an axial shift between respective parts.
Patent JP-H0222682-A (JP)
Title: Recording method
Inventor: GOTO TAKAHARU
IPC: G03G15/08
Filed: 1988-07-11
Abstract: PURPOSE:To perform satisfactory transfer by providing a magnetic means retaining magnetic toner between an electrode and the surface of an image carrier and impressing electric bias with an alternating electric field to the electrode during developing. CONSTITUTION:A recording electrode 3 is arranged near to the surface of the image carrier 1 so as to be able to cover recording width in a longitudinal direction. A magnet 4 is arranged on the reverse side of the image carrier 1, relatively near to the recording electrode 3, so as to be magnetically connected with the developing part thereof. The magnetic toner retained on the tip of the recording electrode 3 is formed into a toner chain 5 along lines of magnetic force between the recording electrode and the surface of the image carrier 1. At this time, the electric bias with an AC component superposed on a DC component is impressed on the recording electrode 3. As a result, a pulse-like developing electric field is formed in an image part, and electric charge is injected in the toner chain 5 by each pulse transiently. Satisfactory developing can be thereby performed, even when insulating magnetic toner is used.
Patent JP-S5873440-A (JP)
Title: Cooling system of torque converter
Inventor: TANAKA TOSHIO
IPC: B60K11/00
Filed: 1981-10-28
Abstract: PURPOSE:To introduce only the external air of a low temperature by forming external air inlets and outlets on a first cross member and by connecting the external air outlets to the cooling air inlet of a torque converter through a duct in a car provided with a horizontal engine. CONSTITUTION:A cooling system is constituted so that the external air is introduced through a first cross member H and the external air is introduced into a torque converter C through a duct 7 to perform the required cooling. That is, said member H is formed in a box shape and a plurality of external air inlets 1 are bored in front of a car body in the lengthwise direction of the member H, and also a plurality of outlets 2 are bored on the rear wall of the member H with displacement from inlets 1. Futhermore, a drain port 3 is provided below the member H and also an apron 4 fitted with a guide plate 5 is arranged in front of the member H, for instance. Then, said outlets 2 and the cooling air inlet B of the torque converter C are connected to each other by a duct 7 arranged with the bellows in the middle.
Patent JP-S6263561-A (JP)
Title: Production of maleimide
Inventor: KITA YUICHI
IPC: C07D207/00
Filed: 1985-08-07
Abstract: PURPOSE:To obtain a maleimide at a low cost, by cyclizing and imidating a maleinamic acid in the presence of an acid catalyst in an organic solvent capable of forming an azeotropic mixture with water within a specific temperature range wile removing the formed water as a mixture thereof with the organic solvent to the outside of the system. CONSTITUTION:A maleinamic acid expressed by the formula (R is alkyl, phenyl pyridyl, etc.) is cyclized in the presence of 10-30mol%, based on the raw material, acid catalyst, e.g. sulfuric acid or pyrophosphoric acid, in an organic solvent capable of forming an azeotropic mixture with water, e.g. benzene or octane, while heating at 200-250 deg.C for 1-15hr to afford the aimed maleimide. The formed water is removed to the outside of the system by azeotropic distillation. USE:A raw material for resins, medicines and agricultural chemicals.
Patent JP-S6327990-A (JP)
Title: Character recognizing method
Inventor: EJIRI KOICHI
IPC: G06K9/20
Filed: 1986-07-22
Abstract: PURPOSE:To perform processing characteristic to an extraction area by setting a format recognition mode for information on a sentence, etc., prior to character recognition, and providing a stage wherein format information in the mode is extracted from print information and recognized. CONSTITUTION:An image information input device 2 reads and inputs optically image information on characters, etc., of a document, etc., and a keyboard 1 is used for the specification of various modes in addition to the input of characters. A processor 3 performs processing according to a mode specified for the input information and outputs the result to an output device 4. The format recognition mode of information on characters, etc., is set prior to the character recognition and characters line of the document information are segmented, one by one. Then, line-to-line pitch extraction and column extraction are carried out and a layout editing process is performed. The format information which is extracted as mentioned above is processed characteristically for each area to fix the area and its attributes; when the data are printed after the character recognition, the format information is easily restored.
Patent JP-2000007620-A (JP)
Title: Natural circulation tank for estrification
Inventor: HARADA SUSUMU
IPC: C07C67/00
Filed: 1998-06-19
Abstract: PROBLEM TO BE SOLVED: To provide a natural circulation-type esterification vessel capable of smoothly feeding slurry without exhaustion in a slurry entrance line even in stopping continuous feeding of slurry and capable of smoothly conducting the shutdown of a plant by providing a valve for introducing ethylene glycol in a slurry inlet port of the vessel. SOLUTION: When a vertical cylindrical vessel body Z of a natural circulation-type esterification vessel 1 has an inlet port 3 for slurry 2 consisting of ethylene glycol 13 and terephthalic acid and an outlet port 10 for oligomers formed in esterification reaction and has a vapor pipe for discharging steam in the upper part, and the body Z is covered with jacket for heat medium and has a self contained tubular exchanger 4 for heating the outside of tubes with heat medium and for making the liquid to be treated flow upward, the inlet port 3 for slurry 2 of this invention is equipped with a valve 12 for introducing ethylene glycol.
Patent JP-2001005109-A (JP)
Title: Printing device
Inventor: ISHII TOMOYUKI
IPC: G02B26/08
Filed: 1999-06-18
Abstract: PROBLEM TO BE SOLVED: To provide a printing device capable of preventing off-light in a picture display device from entering a printing lens and also a photographic printing paper. SOLUTION: In the printing device 1, light emitted from a light source lamp 8 is made incident on a digital micro-mirror device 10 (image display device) through a color wheel 9. And the photographic printing paper 7 is irradiated with the picture light with a picture displayed on the digital micro-mirror device 10 through a printing lens 11, then, the picture is printed on the photographic printing paper 7. In this case, a rotary shutter device 21 is arranged on the way of the optical path between the device 10 and the printing lens 11, and by using the rotary shutter device 21, the off-light in the device 10 is prevented from entering the printing lens 11 and also the photographic printing paper 7.
Patent JP-H0617993-A (JP)
Title: Oil pump made of aluminum alloy
Inventor: KONDO KATSUYOSHI
IPC: F04C2/10
Filed: 1992-06-30
Abstract: PURPOSE:To improve anti-friction and sliding characteristics by forming an inner as well as an outer rotors out of a rapid quenching solidifying Al powder alloy having specific component and composition, and by forming a pump case out of an Al-Si ingot Al alloy having specific component and composition. CONSTITUTION:In an oil pump consisting of a combination of an inner rotor 12 as well as an outer rotor 11 and a pump case 16, the pump case 16 is formed out of an Al-Si ingot Al alloy containing a first alloy element containing 5-17% of Si content Wc, by weight reference, and a second alloy element containing 1-5% of Cu, 0.2-1.5% of Mg, and 0.2-1% of Mn, and the remainder of Al. The rotors 11, 12 are formed out of a rapid quenching/freezing Al powder alloy containing a first alloy element containing 5-25% of Si content Wr by weight reference, and a second alloy element containing at least any one element among 3-10% of Fe, 3-10% of Ni, 1-8% of Cr, each of which does not exceed 15% in the alloy content, and the remainder of Al.
Patent JP-H0620122-A (JP)
Title: Controller
Inventor: IKENOUE YOSHIKAZU
IPC: G06F21/10
Filed: 1992-06-30
Abstract: PURPOSE:To obtain a controller controlling an illegal copy based on copied information by providing a means reading the digital additional information for identifying an original from the copied information transmitted from plural copying machines. CONSTITUTION:When an image processor 100 takes the hard copy of the image read from an original 103, it fills the digital additional information of the size for which a general user can not identify in apperance in the image of the original 103 and performs the processing to print and output it. The additional information to be filled in a hard copy 106 is composed of the information on whether it is a confidential docement or not, what number the copy is from an original original and by whom and when it is copied, etc. When processors 100, 101,... prepare hard copies based on the image information provided with the image data to be outputted from each source, they fill the additional information within the hard copy and transmits additional information to the controller 200 via a line 105.
Patent JP-H1060061-A (JP)
Title: Graft copolymer of unsaturated monomer onto modified polyurea, its production and use thereof
Inventor: PROBST JOACHIM DIPL CHEM DR
IPC: C08F283/00
Filed: 1997-06-16
Abstract: PROBLEM TO BE SOLVED: To obtain the subject polymer capable of providing a product, suitable for finishing of a leather and imparting the wet rub fastness, etc., to wet friction by grafting an unsaturated monomer onto an anionically modified polyurea according to a free-radical mechanism. SOLUTION: The graft copolymerization of (A) 5-95wt.% polymerizable olefinic unsaturated monomer is carried out in the presence of (B) 95-5 pts.wt. polyurea containing a group represented by formula I in an amount of 10-100 mequiv. based on 100g polyurea and a group represented by formula II in an amount of <=50 mequiv. based on 100g polyurea and further in the presence of a polymerization initiator capable of forming free radicals in an aqueous emulsion to afford a graft copolymer having preferably 10<3> to 5×10<5> number- average molecular weight. Thereby, a dipped article, a foam, etc., can be obtained according to a mechanical expanding method for a latex and is suitable for coating a woven and a nonwoven fabrics, a leather, etc., and further suitable for antistatic finishing and prevention the creasing.
Patent JP-2001007024-A (JP)
Title: Method of forming of polycrystalline silicon film
Inventor: KUWABARA TAKASHI
IPC: G02F1/1345
Filed: 1999-06-18
Abstract: PROBLEM TO BE SOLVED: To form a polycrystalline silicon substrate on a glass substrate at lower temperatures. SOLUTION: A microcrystal film 2 containing crystalline nuclei having a grain size of about 1,000 Å is formed on a glass substrate 1, and an amorphous silicon film 3 is formed on the film 2. Then a polycrystalline silicon film 4 is formed by annealing the films 2 and 3 with an excimer laser beam. Since crystals in the polycrystalline silicon film 4 grow from the microcrystals contained in the film as the nuclei, the grain sizes of the crystals can be mode larger.
Patent JP-S5696307-A (JP)
Title: Constant-current circuit
Inventor: HIRATA YOSHIHIRO
IPC: H01J37/24
Filed: 1979-12-28
Abstract: PURPOSE: To supply a constant current, where the frequency response is good and the error can  be ignored, to the load, by supplying the output of the first amplifier out of equal operational  amplifiers to the positive input of the second amplifier and supplying the output of the second  amplifier to the load and the positive input of the first amplifier.   
     CONSTITUTION: Operational amplifiers 7 and 8 having equal positive and negative input voltages  and output voltages are provided, and the output of amplifier 8 is supplied to the positive input of  amplifier 7 through resistance R 9 , and the voltage from voltage source 6 is supplied to the negative input of amplifier 7 through resistance R 7 . The output of amplifier 7 is supplied to load L and  the positive input of amplifier 8 through resistance R 5  and is supplied to its own negative input  through resistance R 6 , and the positive input is grounded through resistance R 8 . The output of  amplifier 8 is connected to its own negative input. If resistances R 6  and R 7  are set equal to each  other and resistances R 8  and R 9  are set equal to each other, the voltage of output terminal Q 3  of  amplifier 7 becomes equal to the sum of voltage EA from voltage source 6 and the voltage to input  point Q 2  to load L. Consequently, a constant current equal to -EA/R 5  is flowed to load L, and  the error due to temperature change does not exist, and a good-response constant current is supplied to the load because the frequency response is determined by amplification.  
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S6232418-A (JP)
Title: Pad for spectacles
Inventor: SUZUKI AKIHISA
IPC: B29C45/14
Filed: 1985-08-06
Abstract: PURPOSE:To obtain an intended pad for spectacles in an extremely industrially easy manner in a short period by coating the surface of the pad made of a colorless transparent thermoplastic resin with a specific low-temp. setting silicone rubber. CONSTITUTION:This pad for spectacles is obtd. by coating the surface of the pad made of the thermoplastic resin with the low-temp. setting silicone rubber of an addition reaction type which is colorless and transparent and has 100-10,000 poises at 25 deg.C and uniting the same. Since the coating of the pad with the silicone rubber is made possible by injection molding, the intended pad for spectacles is extremely industrially easily obtd. in a short period.
Patent JP-S6232410-A (JP)
Title: Focus detector
Inventor: ISHIDA TOKUJI
IPC: G03B13/36
Filed: 1985-08-05
Abstract: PURPOSE:To detect the focus correctly without being affected by the wave aberration, by correcting the interval between the first and second optical images or an extent of defocus obtained on a basis of this interval if the position of a principal part is deviated from the center of the first or second optical image. CONSTITUTION:Line sensors 12 and 14 are constituted with two areas different from each other of one line sensor 15 formed on the same semiconductor chip. Picture elements l1-l7, picture elements l1-l23, and picture elements l17-l23 out of picture elements l1-l23 in a reference part L corresponding to the line sensor 12 constitute the first - third blocks I-III in the reference part L respectively. The number of picture elements r1-r31 in a reference part R corresponding to the line sensor 14 is 31 and is 8 larger than that in the reference part L. The extent of deviation of an object image from a predeterminate image- forming surface is discriminated on a basis of the output of the first or second optical image detecting means corresponding to the first or second optical image illuminance distribution to correct the operation result of the first or second arithmetic means. Thus, the focus is detected correctly.
Patent JP-H0522969-A (JP)
Title: Motor drive control circuit
Inventor: KOSHIN HIROAKI
IPC: H02P29/40
Filed: 1991-07-15
Abstract: PURPOSE:To stop a motor under a fixed state regardless of curtain overlapping at the terminal position of a curtain. CONSTITUTION:Motor currents flowing through a motor 4 are detected by an I-V conversion section 8. Motor currents at the time of constant-velocity operation detected by the I-V conversion section 8 are stored in a memory 11. A fixed value is added to motor currents IM at the time of constant velocity stored in the memory 11 by an adder 12. An output from the adder 12 and motor currents IM are compared successively by a comparator 14. An output from the comparator 14 is used as a stop command.
Patent JP-S5694367-A (JP)
Title: Image forming apparatus
Inventor: NITANDA HIROSHI
IPC: G03G15/00
Filed: 1979-12-27
Abstract: PURPOSE: To eliminate the copying defects owing to noncoincidence of the sizes of an original and transfer paper and improve copying efficiency by detecting the length of the first sheet original and selecting the long one when the transfer sheet shorter than the original is being fed.  
     CONSTITUTION: A transfer material P is fed by a feed roller 30, and is detected with a detecting element 74 in a position A. Rollers 56, 57 are revolved by this signal, whereby an original O is sent to a conveying path. When the original O reaches a position B, the delivery of the original is detected by a detecting element 60. This detection signal is discriminated of whether the 1st sheet or not by a predetermined electric circuit. When it is the 1st sheet, the length of the original is measured with the detecting element 60, and the cassette of the transfer material corresponding to the length is selected; at the same time, the image forming cycle with the copying of the 2nd and subsequent sheets is determined, and the operating period of a photosensitive drum 8 is determined. Thereby, the correct copying may be made from the 2nd sheet even when the selection of the transfer paper was wrong. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S6329406-A (JP)
Inventor: KAMATA OSAO
IPC: H01B1/02
Filed: 1986-07-23
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-S5696505-A (JP)
Title: Transistor oscillator of parallel operation
Inventor: TAKAGI SUNAO
IPC: H03B5/18
Filed: 1979-12-28
Abstract: PURPOSE:To make stable the oscillation frequency and to make high in the output, by constructing a single resonator that it is coupled with each transistor module. CONSTITUTION:A specified part of a rectangular waveguide 10 is in parallel with the waveguide H plane and the size toward E plane is equally divided. The waveguide is divided into partial waveguides 12 and 13 with a metallic section plate 11 having a given length lengthwise the waveguide. In the waveguides 12 and 13, transistor modules 16 and 17 are respectively loaded. The modules 16, 17 are coupled with waveguides 12 and 13 respectively, and they are coupled in a part D in a rectangular type wave guide where the section plate 11 is no longer in existence. At a specified position between the part D and the output terminal 18, a cavity resonator 19 is loaded to coupled the waveguide 10 and the resonator 19. With this constitution, the modules 16, 17 are coupled with the single resonator 19, and the oscillation frequency of modules 16 and 17 can be in matching with the frequency near the resonance frequency of the resonator 19.
Patent JP-S6064289-A (JP)
Title: Preparation of wristwatch case
Inventor: KITAGISHI YASUHIRO
IPC: G04B37/22
Filed: 1983-09-20
Abstract: PURPOSE:To reduce the number of processes while obtaining a plating shell case with good quality, by forming a conductive film to the inner surface of a plastic electroforming matrix mold and applying the electrodeposition of a metal to said conductive film while detaching the formed electroforming shell to apply finish plating thereto, and pushing the plated shell into a plastic replica to perform injection molding using an injection mold. CONSTITUTION:A plastic electroforming matrix mold 4 is fabricated by a plastic molding method and the inner surface of the matrix mold 4 is covered with a conductive film while the electrodeposition of a metal such as Ni, Cu or Au is applied to said film to form an electroforming shell 1. This electroforming shell 1 is detached from the matrix mold and finish plating is applied thereto while the plated shell is pushed into a plastic replica 8. The whole is inserted into an injection mold 9 and a plastic inner middle 2 is formed by injection molding to complete the middle of a clock case. By this method, the number of processes are reduced and a plating shell case with good quality is obtained.
Patent JP-H1016064-A (JP)
Title: Tubular body made of synthetic resin
Inventor: NISHIDA SHOZO
IPC: F16L11/08
Filed: 1996-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a tubular body made of synthetic resin which is equipped with internal passages which can reduce a fall in the temperature of molten resin and also make the molten resin flow smoothly on the occasion when half divided bodies are butted in a mold and joined together with the molten resin filled in the internal passages. SOLUTION: A tubular body W made of synthetic resin is divided in the vertical direction in the middle part in the longitudinal direction thereof and in the vicinity of the tube end part of an inlet tube part Wi, while it is divided in the lateral direction in the vicinity of the tube end parts of outlet tube parts No, and a first internal passage Wp1 shaped like a closed section is formed of U-shaped sections combined by mutual butting of two half divided bodies, in the middle part in the longitudinal direction of the tubular body and in the vicinity of the tube end of the inlet tube part, while second internal passages Wp2 shaped like closed sections are formed of virtually-L-shaped sections combined by mutual butting of the two half divided bodies, in the vicinity of the tube ends of the outlet tube parts.  The sections of both of these internal passages change gently in the parts of connection thereof and a passage like a closed loop is formed as a whole.