baber/WOPTO huggingface dataset:
Patent JP-H07332039-A (JP)
Title: Valve system on exhaust side in internal combustion engine
Inventor: KOBAYASHI HARUKI
IPC: F01L3/08
Filed: 1994-06-15
Abstract: PURPOSE:To prevent combustion products from adhering/depositing on the mutually sliding surfaces of a valve guide and a valve stem by positively discharging, to outside, exhaust gas invading between the valve guide and the valve stem. CONSTITUTION:An exhaust pass 13 passing through the circumferential wall of a valve guide 11 and opened to the sliding surface between the valve guide 11 and a valve stem 4a, is provided to a cylinder head 1, and this exhaust pass 13 is communicated to an intake system (for example, an intake valve) so as to forcibly discharge exhaust gas invading in a clearance between the valve guide 11 and the valve stem 4a, from the exhaust pass 13 to the intake system.
Patent JP-S5357772-A (JP)
Title: Thyristor
Inventor: ODA KATSUHIRO
IPC: H01L29/744
Filed: 1976-11-04
Abstract: PURPOSE: To effectively shorten turn-off time by setting the capacitive impedance connected between gate and cathode at an optimum capacity value. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H09297393-A (JP)
Title: Formation of dot for multicolor printing
Inventor: SHIOMI JUNICHI
IPC: H04N1/52
Filed: 1996-04-30
Abstract: PROBLEM TO BE SOLVED: To form dots by which apparent gradient becomes large and moire occurring when the dots are superimposed is hardly caused by comparing a threshold with an image signal and generating a dot signal expressing the dot. SOLUTION: One threshold Ss is read out from a threshold pattern in an SPM memory 36 in accordance with an address given from two address counters 38 and 40, and supplied to a comparator 42. The comparator 42 compares the threshold Ss with the input image signal Im and generates binary output (exposure signal and dot signal) in accordance with the compared result. In such a case, the binary signal is shown as follows. In the case Ss<Im: H level (exposure and lighting); and in the case Im<=Ss: L level (non-exposure and non- lighting). In an exposure device, by exposing a photosensitive recording medium(for example, photosensitive film) with a light beam in accordance with the binary output, a dot image is formed on the recording medium.
Patent JP-S61293603-A (JP)
Title: Improvement in lubrication of rolling machine
Inventor: DEBITSUDO UIRIAMU GATSUPII
IPC: B21B27/10
Filed: 1986-06-10
Abstract: A rolling mill comprises a plurality of rolls, means for directing liquid coolant onto the rolls at the ingoing side ofthe mill and a casing or casings enclosing the directing means. The casing or casings have contact seals engaging the rolls to prevent unwanted egress of coolant onto work entering the mill. The means for directing coolant onto the rolls are mounted on one or more fixed backing supports and inflatable sealing means are arranged between the casing or casings and the fixed backing support or supports. The arrangement enables the position of the casing or casings to adjust dependent on the roll diameters.
Patent JP-S6115634-A (JP)
Inventor: WATANABE HIROSUKE
IPC: A01G33/02
Filed: 1984-06-29
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-S5357831-A (JP)
Title: Treatment process for silver halide photographic material
Inventor: SAKAMOTO KENROU
IPC: G03C7/30
Filed: 1976-11-05
Abstract: PURPOSE:To reduce toxicity in order to adapt the process for the demand of environmental pollution control and raise bleaching speed, by adding a specified bleach accelerator to a bleaching using an organic acid metal complex salt or to a preceding bath prior to bleach fix treatment.
Patent JP-S6045235-A (JP)
Inventor: TANIMOTO TAKUJI
IPC: B65H5/02
Filed: 1983-07-20
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-S5835256-A (JP)
Title: Fuel vapor controller
Inventor: OOTSUKA TAKAYUKI
IPC: F02M25/08
Filed: 1981-08-25
Abstract: PURPOSE:To prevent the ratio of air to fuel from decreasing, by stopping or reducing purge when the temperature of cooling water of an engine is high. CONSTITUTION:A part of BVSV4 is dipped in the water of an engine. A VSV5 is a solenoid valve electrically coupled to an electric wire 8 at the side of an electric fan 7 for cooling the water of the engine. When a water temperature switch 9 is closed as a result of the rise in the temperature of the water, a relay 10 acts to supply an electrical current from a power source 11 to the fan 7 and the VSV5 so that an electromagnetic mechanism closes a main passage 12a and opens an auxiliary passage 12b provided with an orifice 6. As a result, the purge from a canister 2 is reduced by the orifice 6 so that excessive purge is avoided.
Patent JP-S5834660-A (JP)
Title: Digital modulator
Inventor: ASAKAWA SHIGERU
IPC: H04L27/20
Filed: 1981-08-25
Abstract: PURPOSE:To stabilize the center frequency of a continuous phase modulation (MSK) signal, by fetching an orthogonal component and an in-phase component of a signal which has 2-multiplied frequency of an output of a modulator, multiplying the in-phase component, a multiplying output of input information, and the orthogonal component, and controlling a frequency modulator by this signal. CONSTITUTION:Digital information from an information source 1 operates a voltage controlling oscillator 4 through a DC signal generating device 2, and generates an MSK signal. The generated MSK signal is 2-multiplied as to its frequency by a 2-multiplier 5, is detected by detectors 6, 7 by a signal from a reference oscillator 8 oscillated by frequency of 2 times of the center frequency of the MSK signal, and in-phase and orthogonal components are outputted. The orthogonal component from the detector 7 controls the voltage control oscillator through a multiplier 17. In a multiplier 16, the product of a polarity signal of input digital information, and a polarity signal of the in-phase component from the detector 6 is derived, and this product signal is inputted to the multiplier 17.
Patent JP-S631807-A (JP)
Inventor: WASHIRII JII HODORUSUKII
IPC: F16D1/08
Filed: 1987-05-28
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-H0426533-A (JP)
Title: Cement admixture
Inventor: MIYAZAKI HIROTOSHI
IPC: C08F16/06
Filed: 1990-05-22
Abstract: PURPOSE:To improve mechanical strength by saponifying one or two more polymers selected from vinyl trimethylacetate copolymers and copolymers of vinyl trimethylacetate and vinyl acetate and forming a PVA polymer of specific degree of saponification. CONSTITUTION:One or two more polymers selected from vinyl trimethylacetate polymers and copolymers of vinyl trimethylacetate and vinyl acetate in which the compositional ratio of vinyl trimethylacetate is regulated to >=0.5 mole % are saponified with caustic alkali, such as KOH, by which a PVA copolymer of >=50 mole % degree of saponification and 100-10000 degree of polymerization is formed. In the case where this PVA polymer is used as cement admixture, this PVA polymer is used in the form of pulverized powder or after dissolution in water and added and mixed by 0.01-30wt.% into cement, and further, admixtures, such as high polymer emulsion and cellulose derivative, are combinedly used, as necessary, by which a cement composition excellent in mechanical strength can be obtained.
Patent JP-S63302206-A (JP)
Title: Combustion equipment
Inventor: KAWAMURA HIDEO
IPC: F23D11/00
Filed: 1987-05-30
Abstract: PURPOSE:To perform ignition and combustion of gasfication fuel satisfactorily and prevent the production of carbon which easily adheres to a wall surface by forming a combustion cylinder constituting a gasification and combustion chambers in quadrangle cross section and with corners of curred surface, arrang ing an external cylinder in the outer circumference of the combustion cylinder and making many air through holes which produce air swirling flow in the combustion cylinder. CONSTITUTION:A combustion cylinder 11 is composed of ceramics of low coeffi cient of thermal expansion, its shape is formed in quadrangle cross section and corners of curved surface, an outlet 18 of combustion gas is provided eccen tric from the center and its shape is formed in round cross section. Air for combustion is partially used for swirling promoting action and a large portion thereof is blown into a combustion chamber 6 through air through holes 17 formed in the combustion cylinder 11. The air through holes 17 are formed as suitably inclined in the most suitable state. The air for combustion being introduced forms swirling flow with producing air-fuel mixture which is ideally mixed with gasfication fuel in the combustion cylinder 11, and the air-fuel mixture is ignited by a glow plug 3 and burned.
Patent JP-S61290750-A (JP)
Title: Semiconductor device
Inventor: TANIGAWA TOSHIYUKI
IPC: H01L25/065
Filed: 1985-06-19
Abstract: PURPOSE:To increase mounting density by oppositely facing a plurality of semiconductor chips mutually on the main surface sides, to which circuit elements are not formed severally, and packaging the chips. CONSTITUTION:A plurality of semiconductor chips 11 are oppositely faced severally mutually on the main surface 12 sides, to which circuit elements are not shaped, and packaged. Consequently, the chips 11 are housed in one package. Accordingly, mounting density is increased.
Patent JP-S61292102-A (JP)
Title: Fiber type wavelength filter
Inventor: OKAMOTO KATSUNARI
IPC: G02B6/287
Filed: 1985-06-19
Abstract: PURPOSE:To provide a titled filter which is small in size, is highly flexible and is easily connectable to optical fibers by fully constituting the wavelength filter of optical fibers. CONSTITUTION:The fiber type wavelength filter is formed by successively connecting the dual-core fibers 15 each of which has the 1st core 16 at the center of the clad and the 2nd core 17 in the offcentered position of the clad and satisfies cl1=mpi (c; coupling constant at the wavelength lambda0 of the dual-core fiber, l1; length of the shortest dual-core fiber, m; positive integer). The length ln of the n-th dual-core fiber satisfies ln=2<n-1>l1 (n; 1-N integer, N; the number of the dual-core fibers). The direction where the 1st core and the 2nd core of the n-th dual-core fiber are connected is designated as Xn axis and the respec tive 1st cores of the n-th and (n+1)th dual-core fibers are so connected to each other by rotating the Xn axis and Xn+1 axis as not to induce the optical cou pling. The terminal of the N-th dual-core fiber is a single mode fiber having only the 1st core.
Patent JP-S61290828-A (JP)
Title: Am stereo receiver
Inventor: TANAKA KANJI
IPC: H04H1/00
Filed: 1985-06-19
Abstract: PURPOSE:To make it possible to switch and receive the AM stereo broadcast of multiple systems automatically by providing plural discriminating circuits, plural shift registers of two-stage constitution, plural OR gates that takes logical sum of output signals of the first stage and output signals of the second stage and a cut-off circuit. CONSTITUTION:Out put signals of a memory 22 are applied to input end of the first-third AND gates 23-25 and logical product with output signals of the first-third discriminating circuits 18-20 is obtained in the first-third AND gates 22-25. In this case, as output of the first discriminating circuit 18 is generated, output signals equal to output signals of the first discriminating circuit 18 are generated only from the first AND gate 23. The first-third shift registers 26-28 are made to take in output signals of the first-third AND gates 23-25 responding to clock pulse. Accordingly, the first stage 30 of the first shift register 26 takes in 'H' output of the first AND gate 23 responding to clock pulse A and generates output signals in the output end.
Patent JP-H08326081-A (JP)
Title: Hinge structure of lid for underground structure
Inventor: SHIMIZU KENJI
IPC: E03B9/10
Filed: 1995-05-31
Abstract: PURPOSE: To open a lid main body easily and safely by installing a rod-shaped hinge bottom pivoted undulatingly to the inner peripheral surface of a receiving frame and a hinge laid out hangingly on the peripheral edge of the bottom of the lid main body. CONSTITUTION: A continuous connection hole 6b which allows a hinge seat 4 to be inserted slidably is bored in a hinge 6 while a rotary sliding part 4a, which is capable of turning the hinge 6 around its axis, is installed to the base end and a restrictive sliding part 4b, which prevents the hinge 6 from turning around the axis, is installed to the tip. Then, when the lid main body 2 is pulled out in the direction of X by canceling its engagement with the receiving frame 1, the hinge 6 moves from the rotary sliding part 4a on the base end side to the restrictive sliding part 4b and held with the hinge seat 4 without turning.  Then, when the edge of the lid main body 2 is erected in the arrow B direction, the hinge 6 is slanted to the base end of the hinge seat 4 but it is held without turning since it is a restrictive sliding part 4b so that the lid main body 2 may be opened in a stable state.
Patent JP-2000327386-A (JP)
Title: Cement dispersant and hydraulic composition including the same
Inventor: OGAWA SHOICHI
IPC: C04B24/26
Filed: 1999-05-14
Abstract: PROBLEM TO BE SOLVED: To obtain a dispersant capable of imparting excellent dispersibility and high fluidity in a small quantity consumed irrespective of a formulation ratio of a hydraulic substance to water, hardly causing setting retardation and capable of imparting highly strong hardened product by including a polymer obtained from a monoester or monoether each having a polyalkylene glycol chain and a comonomer having at least one unsaturated bond and phosphoric acid group as a principal ingredient. SOLUTION: This dispersant comprises a copolymer obtained from a monomer having at least one phosphoric acid group expressed by formula I [e.g. mono(2-hydroxyethyl)methacryl phosphate] and a comonomer having a polyoxyalkylene group expressed by formula II; wherein R1 to R3 are each H, a 1-3C alkyl, COOH or CH2COOH; X is CO or CH2; AO is a 2-4C oxyalkylene; Y is H, an alkali (or alkaline earth) metal, ammonium, an alkylammonium or a 1-3C alkyl; (j) is 0-2; (k) is 1 or 2; (m) is 0-5; (n) is 5-200 and; (i) is 3-(k) (ω-methoxy polyoxyethylene methacrylate) as a principal ingredient.
Patent JP-S61292318-A (JP)
Title: Manufacture of semiconductor device
Inventor: ENOMOTO YOSHINARI
IPC: H01L29/78
Filed: 1985-06-19
Abstract: PURPOSE:To decrease the electric resistance of an impurity implanting region of a semiconductor substrate without altering the impurity implanting amount by dividing ion implantation process into twice, forming a thin oxide film of semiconductor element on the surface of the substrate after first implanting, and secondly implanting it through the oxide film. CONSTITUTION:The implantation of desired impurity amount from the surface of a semiconductor substrate to the prescribed region by ion implantation is divided into twice, a thin oxide film 7 of semiconductor element is formed on the surface of the substrate after the first ion implantation, and the second implantation is performed through the film 7 to the region near the surface. The depth direction distribution of the impurity density near the surface of the substrate is displaced at the peak to the surface side as compared with the case of implanting continuously once, the slope is smoothened, and the activating efficiency of the impurity is increased. Accordingly, an electric resistance can be decreased by the same heat treatment. A junction between the impurity implanted region formed after the heat treatment and the original portion of the substrate becomes shallower than the continuously implanting case.
Patent JP-S63299520-A (JP)
Title: Companding processor
Inventor: SATO FUMITAKA
IPC: H04N1/419
Filed: 1987-05-29
Abstract: PURPOSE:To expand two code data having short runs at one time by using a means which connects the production image data decided by the image run length data and the code run length data to the image data already produced. CONSTITUTION:The decoding image data is produced to the decoded codes together with the image run length data related to the run length of said decoding image data or the code run length data on the run length of the decoded code. At the same time, the production image data is outputted from the decoding image data. A production means connects the production image data received from a decoding processing means to the image data already produced based on the image run length data and also connects the production image data decided by the color control data supplied based on the code run length data to the image data already produced. Thus it is possible to expand a complicated image at a high speed.
Patent JP-S62292620-A (JP)
Title: Magnetic powder for magnetic recording medium and its production
Inventor: SAGUCHI HIROTO
IPC: C01G49/00
Filed: 1986-06-11
Abstract: PURPOSE:To produce delta-Fe2O3 powder for a magnetic recording medium improved in transcription characteristics by dispersing delta-Fe2O3 powder is water, regulating the pH to the specified range, mixing it with colloidal silica, and heat-treating this mixture at the specified temp. range. CONSTITUTION:delta-Fe2O3 powder becoming a raw material is dispersed in water and the pH is regulated to 3-12. This is mixed with colloidal silica and the mixture is heat-treated at 80-120 deg.C to obtain powder. If necessary, furthermore it is heat-treatment at the temp. not more than 700 deg.C. In such a way, the following magnetic powder consisting of delta-Fe2O3 particles for a magnetic recording medium is obtained wherein the surface is covered with colloidal silica and the transition temp. changed into alpha-Fe2O3 measured at 10+ or -1 deg.C/min temp. elevation velocity is not less than 700 deg.C.
Patent JP-H0429331-A (JP)
Title: Ccd solid-state image pickup device
Inventor: KANASUGI YOSHIAKI
IPC: H04N5/363
Filed: 1990-05-25
Abstract: PURPOSE:To improve S/N with simple constitution by equipping a source follower circuit which outputs the voltage signal held by a variable capacitor element to outside. CONSTITUTION:The output signal, which is transferred through a transmission gate MOSFET Q4, is transmitted to a variable capacitor element C2. This variable capacity element C2 is one whose capacitance changes by timing pulses psic, and constitutes am amplifying circuit which performs voltage amplification making use of the change of its capacitance. The maintenance voltage of the capacitor C2 as the variable capacitance element is sent out to an outside terminal OUT through the source follower output circuit consisting of an amplifying MOSFET Q5, through which it is transmitted to a gate, and a load MOSFET Q6, which is provided in a source. Thus, the substantial quantity of signals enlarges by the variable capacity element, and S/N improves.
Patent JP-H02312263-A (JP)
Title: Semiconductor integrated circuit package
Inventor: FUWA MASAHIRO
IPC: H01L23/58
Filed: 1989-05-26
Abstract: PURPOSE:To enable a required terminal to be easily and surely subjected to a terminal treatment so as to restrain reflected noises by a method wherein a lead pattern is formed on the surface of a board mounted with a semiconductor integrated circuit, and a fuse, a terminal resistor, and a power source are provided to the inner layer of the board. CONSTITUTION:The far end of a lead pattern 4 is connected to one end of a fuse 6 formed separate for each lead on the inner layer of a board 1, and the other end of the fuse 6 is connected to one end of a terminal resistor 7 formed separate for each lead on the inner layer of the board 1, and the other end of the resistor 7 is connected to a power source 8 formed common to all the leads on the inner layer of the board 1. If a terminal which is terminated is an input terminal, it is left as it is. If a terminal which is terminated is an output terminal, the fuse 6 is cut off by fusion to disconnect the terminal concerned from the terminal resistor 7. By this setup, a required terminal can be easily and surely made subjected to a terminal treatment and the reflected noises of a transmission line can be restrained.
Patent JP-S63296995-A (JP)
Inventor: KAWAKAMI TAKASHI
IPC: B42F7/14
Filed: 1987-05-29
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-S61294609-A (JP)
Title: Pcm recording and reproducing device
Inventor: KOBAYASHI MASAHARU
IPC: G11B20/10
Filed: 1985-06-21
Abstract: PURPOSE:To reduce disturbance from a video signal by providing an amplitude limiting circuit for the reproduction signal of an audio recording signal. CONSTITUTION:The reproduction signal of the PCM audio signal to be modulated which is amplitude-modulated with the video signal causes disturbance to the demodulation of the signal. The PCM audio signal to be modulated in a signal recorded on a tape 80 is reproduced by a head 81 and passed through a rotary transformer 82, a preamplifier circuit 83, an analog switch 84, a buffer amplifier circuit 85, an equalizing circuit 86 and amplitude-limited by an amplitude limiting circuit 87. This amplitude-limited signal is filtered by a band-pass filter circuit 88, whose filtration output signal 89 is inputted to a PSK demodulation circuit. Thus, the disturbance due to the video signal is reduced and the audio signal or digital data of high quality is obtained.
Patent JP-H08329515-A (JP)
Title: Optical pickup device
Inventor: YAMAKAWA AKIO
IPC: G11B7/09
Filed: 1995-05-31
Abstract: PURPOSE: To reproduce optical disks with specifications largely different from each other in high quality and high reliability, to obtain a stable signal and to simplify a structure and control. CONSTITUTION: After diffusion laser light outgoing from a laser diode 1 is diffracted by a diffraction grating 2, is reflected by a beam splitter, and arrives at a collimate lens 5 whose aperture is controlled by an aperture 4. Parallel laser beams L0 are made incident on an objective lens 7, the objective lens 8 driven by a biaxial actuator 6 in the biaxial directions of an F direction and a T direction. The objective lens 7, the objective lens 8 converge the laser beams on respective signal recording surfaces of a compact disk 9, a high density disk 10. The reflected laser beam L1 from the signal recording surface of the compact disk 9 is converged on a photodetector 11 existing on an image forming point. Further, the reflected beam L2 from the signal recording surface of the high density disk 10 is converged on the photodetector 12 existing on the image forming point.
Patent JP-2000320752-A (JP)
Title: Pulling-out jig
Inventor: AKAISHI YORINOBU
IPC: F16L21/08
Filed: 1999-05-14
Abstract: PROBLEM TO BE SOLVED: To make a pulling-out jig possible to be used even for a joint in which a bead is generated. SOLUTION: A main body 38 of a pulling-out jig 10 is formed by a synthetic resin at a central angle smaller than 180 degrees. Consequently, when the pulling-out jig 10 is inserted into a receive port 16, the main body 38 is bent to avoid a bead 36. Moreover, since the main body 38 is curved at curvature along an outer face of an insertion port 14, the pulling-out jig 10 can be smoothly inserted into the receive port 16 along an outer face of the insertion port 14.
Patent JP-H11323758-A (JP)
Title: Production of bleached pulp
Inventor: IGARASHI HIDEO
IPC: D21C9/10
Filed: 1998-04-30
Abstract: PROBLEM TO BE SOLVED: To efficiently remove a pitch component from pulp in swollen state and obtain bleached pulp scarcely containing a slight pitch component by bleaching pulp with alkaline oxygen, carrying out alkali extraction in multistage bleaching and then carrying out press washing of pulp. SOLUTION: Unbleached pulp obtained by digesting lignocellulosic substance is bleached with alkaline oxygen and then subjected to press washing and [as necessary, treated with an enzyme having xylan-degrading activity (e.g. culture products obtained by culturing a microorganism such as bacterium of the genus Bacillus capable of producing the enzyme) and then subjected to press-washing] and subjected to press washing after each alkali extract stage in multistage bleaching containing an alkali extraction stage. The press washing is preferably carried out so that pulp concentration after washing is 20-45 wt.%.