baber/WOPTO huggingface dataset:
Patent JP-H0583237-A (JP)
Title: Transmission line clock extracting system
Inventor: YASUI HIROYUKI
IPC: H04L7/02
Filed: 1991-09-25
Abstract: PURPOSE:To prevent the circuit for the system from malfunction due to noise superimposed on reception data in the system in which an oscillator is utilized to extract a clock. CONSTITUTION:A change point detection circuit 2 detects a leading of reception data 1 and outputs change point information 5 to a change point detection protection circuit 3 and a change point prediction circuit 4. The change point detection protection circuit 3 decides whether or not a given change point is adequate by change point information 5 based on a prediction output 6 of the change point prediction circuit 4 and outputs a control signal 8 to a frequency divider circuit 7 and the change point prediction circuit 4. The change point prediction circuit 4 predicts a change point appearing next based on a frequency division output 9 of the frequency divider circuit 7, the change point information 5 and the control signal 8 of the change point detection protection circuit 3 and outputs a prediction output 6 to the change point detection protection circuit 3. The frequency divider circuit 7 frequency-divides the output signal of an oscillator 10 based on the control signal 8 to output a transmission line extract clock 11 having an object frequency.
Patent JP-H08105065-A (JP)
Title: Footing structure
Inventor: NAKATANI YOSHINARI
IPC: E02D27/01
Filed: 1994-10-07
Abstract: PURPOSE: To provide a footing structure that is strong in strength and excellent in stoutness even in the case of constructing an eccentric footing with such as made of precast concrete. CONSTITUTION: This footing structure is composed of two wall-like precast concrete footing blocks 3, a space filling concrete part filled up in an interspace between these footing blocks 3 and a footing base concrete part 6 made up in a lower position of the footing blocks 3. In this constitution, the precast concrete footing block 3 is set up in an optional position one-sided more outward than an intermediate position in the cross direction of the footing base concrete part 6. In this connection, the space filling concrete part and the footing base concrete part 6 both are made into an integral body of cast-in-place concrete.
Patent JP-H1182624-A (JP)
Title: Mount member for exhaust pipe
Inventor: SHIROHIGE YUUJI
IPC: F16F15/08
Filed: 1997-09-09
Abstract: PROBLEM TO BE SOLVED: To reduce noises following the mutual contact of the stopper surface of a rubber block by which an exhaust pipe is suspension supported on a car body elastically. SOLUTION: By inserting a first hanger pin 6 of a car body frame 4 side into a first installation hole 2 of a rubber block 1 and the second hanger pin 8 of the exhaust pipe 7 side into a second installation hole 3 of the rubber block 1 respectively, the exhaust pipe 7 is suspension supported on the car body frame 4. When the exhaust pipe 4 is moved vertically and the rubber lock 1 is compressed, the first stopper surface 9 and second stopper surface 92 of an H shape through hole 9 formed on the center part are mutually contacted and the excessive deformation of the rubber block 1 is restrained.  Meantime, by four projections 93 ... formed on the first stopper surface 91 , the contact is not in the mutual contact of the surfaces and but is the contact between the surface and a line, the shut-in of the air between both stopper surfaces 91 , 92 is prevented and a generated noise is reduced.
Patent JP-2001066641-A (JP)
Title: Liquid crystal display device
Inventor: MIYAZAKI YOSHIO
IPC: G02F1/137
Filed: 1999-08-31
Abstract: PROBLEM TO BE SOLVED: To increase the operational margin and matrix driving property and to obtain stable and high display reliability by using a chiral nematic liquid crystal containing a specified pyrimidine compound and a specified difluorostilbene compound to form the device. SOLUTION: The liquid crystal display device A is formed by using a chiral nematic liquid crystal 10 containing a pyrimidine compound expressed by formula I and a difluorostilbene compound expressed by formula II between a scanning electrode member 4 and a signal electrode member 5. The liquid crystal is prepared to have a twisted structure in the initial state and to show two metastable states different from the initial state by applying a voltage to cause Freedericksz transition in the initial state and further applying a voltage different from the first voltage. In formula I, R1 is CaH2a+1, R2 is CN, OCbH2b+1, CcH2c+1 or F, and in formula II, R3 is CiH2i+1, OCjH2j+1 or COOCkH2k+1, R4 is CmH2m+1, OCnH2n+1 or the like, and each of a, b, c, i, j, k, m, n is an integer >=1.
Patent JP-S61124813-A (JP)
Title: Correction of defective feed-length of paper
Inventor: MIZOGUCHI SHIGETAKA
IPC: G01B21/06
Filed: 1984-11-21
Abstract: PURPOSE:To eliminate inaccuracy of feed quantity of paper and to improve paper feed accuracy, by measuring a fed amount of the paper of a known longitudinal dimension and determining an error ratio from said measured value and the known dimension and introducing an output with a feeding command considering the error ratio. CONSTITUTION:Prior to starting actually of feeding of a paper, firstly, a paper 3 of known longitudinal dimension is fed on a feeding apparatus and the amount of feed at this time is detected by a position detecting apparatus 5. Next, by calculating a ratio (x/y), fed dimension by measurement x/actual dimension of paper y, the feeding error ratio K of the feeding apparatus is obtained. And, when the paper is fed actually, a value prepared by the actual feeding command divided by the error ratio K is introduced into a operating panel 7 as the actual feeding command for execution of the feed motion of the paper. By this arrangement, constant elimination of the feeding error can be achieved, regardless of thickness and stiffness of the paper.
Patent JP-H0559486-A (JP)
Title: Steel for cold forging excellent in induction hardenability and fatigue property
Inventor: KAWASAKI TOSHIO
IPC: C22C38/32
Filed: 1991-08-28
Abstract: PURPOSE:To provide a steel for cold forging excellent in cold forgeability and by which the torsional fatigue strength and rolling fatigue life of the product subjected to induction hardening are made excellent and suitable particularly as the material for the outer race of a universal joint. CONSTITUTION:This steel contains 0.4 to 0.6% C, <=0.1% Si, 0.2 to 0.4% Mn, <=0.015% P, 0.005 to 0.015% S, 0.20 to 0.50% Cr, 0.08 to 0.30% Mo, 0.0005 to 0.0030% B, 0.02 to 0.05% Ti, 0.01 to 0.05% Al, <=0.006% N and <=0.002% O as well as 0.30 to 0.80% Mo and the balance Fe with inevitable impurities.
Patent JP-H0880208-A (JP)
Title: Umbrella
Inventor: YANO KATSUMASA
IPC: A45B25/02
Filed: 1994-09-12
Abstract: PURPOSE: To provide an umbrella having ribs which is formed out of extrusion molding bar material of carbon fiber reinforced resin and is structured so that the breakage thereof can be prevented. CONSTITUTION: In the structure of a rib 4, which is made of a bar material and provided with a bracket 9 in order to pivotally fix a stretcher 5 and whose flexously bendable part 4b is formed from the end of the bracket 9 to the tip of the rib 4, the fiexuously bendable part 4b is formed like a taper whose major diameter gradually decreases toward the tip of the rib 4 excepting a first flexible part 41 which is not a taper and stretches from the one end of the bracket 9 toward the tip of the rib 4 by a specific length L1.
Patent JP-H0987407-A (JP)
Title: Heat insulating foam and its production
Inventor: HASHIDA TAKU
IPC: F16L59/04
Filed: 1995-09-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a heat-insulating foam, capable of obtaining excellent heat insulating characteristic at an early period after production by early fixing carbon dioxide in foam. SOLUTION: In this method for producing a heat-insulating foam comprising a mixing step for mixing at least an epoxide, polyol, isocyanate, and a urethane reacting catalyst with a carbon dioxide fixing catalyst and a foaming agent, a foaming step comprising formation of a urethane resin accompanied by mixing and foaming due to generation of a gas containing carbon dioxide derived from the foaming agent and a carbon dioxide fixing step for forming carbonate by a reaction of carbon dioxide in the foam of the resultant expandable urethane resin composition with the epoxide, a material having an onium salt part reacting as the carbon dioxide-fixing catalyst in the molecule is used in at least one of isocyanate and polyol.
Patent JP-S6398616-A (JP)
Title: Bifocal objective
Inventor: KATO MASATAKE
IPC: G02B15/14
Filed: 1986-10-15
Abstract: PURPOSE:To vary the focal length of the whole system and to reduce the overall size of the lens system by providing the 1st fixed lens group which has negative refracting power and the 2nd lens group which has positive refracting power and is movable on the optical axis successively from the object side, and moving the 2nd lens group toward the object side. CONSTITUTION:This lens system consists of the 1st fixed lens group I which has the negative refracting power, the 2nd lens group II which has the positive refracting power and is movable on the optical axis, the 3rd fixed lens group III with positive or negative refracting power, and a fixed or movable stop S which is arranged between the 1st lens group I and the 2nd lens group II. The 2nd lens group II is moved on the optical axis as shown by an arrow, i.e. toward the object side to increase the focal length for telephotography. Namely, only the 2nd lens group II among the three lens groups is merely moved toward the object side to increase the focal length of the whole system. Then the stop S is arranged between the 1st lens group I and the 2nd lens group II as closely to the object side as possible. Thus, the lens diameter of the 1st lens group I is reduced to make the lens system small on the whole.
Patent JP-H1090959-A (JP)
Title: Image forming device
Inventor: OGIYAMA HIROMI
IPC: G03G15/00
Filed: 1996-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a device with a simple structure in which the effect on development of the light attenuation of photoreceptor surface potential can be eliminated while keeping the separating performance of a transfer material by measuring the surface potential of a photoreceptor with the time from the receipt of exposing action being varied, and judging whether imaging action can be started or not on the basis of the difference between the measured surface potentials. SOLUTION: This device has a means for measuring the surface potential of a photoreceptor 5 under light attenuation by receiving exposing action with the time from the receipt of exposing action being varied, and a means for judging whether imaging action can be started or not on the basis of the difference between the measured surface potentials. For example, this device has two potential sensors 3, 4 between the exposing position and a developing device 2. The first potential measurement is performed by the potential sensor 3, and the second potential measurement is then performed in the potential measuring position of the potential sensor 4 with a time interval unit the first potential measuring position reaches the position corresponding to the measuring point of the potential sensor 4 by the rotation of the photoreceptor 5.
Patent JP-H0558493-A (JP)
Title: Paper separator for paper feeder
Inventor: KANETANI SHINICHI
IPC: G03G15/00
Filed: 1991-08-30
Abstract: PURPOSE:To efficiently handle any given paper, and thereby prevent the occurrence of multiple feed and erroneous feed by providing a means which can impart force against force caused by handling action for a feed roller between the feed roller and the retard roller. CONSTITUTION:A fixing arm member 9 is provided for a retard roller 7 via a support shaft 8 so as to be fixed, and a rotation preventing member 14 is provided to correspond to the arm member 9. And the retard roller 7 is so constituted that it is not rotated so as to be fixedly held with the arm member 9 locked with the rotation preventing member 14. Locking force by the rotation preventing member 14 is thereby balanced with force produced when papers are fed by a feed roller 6, and these forces are mutually act to the opposite directions, no action for strongly pressing the retard roller 7 against the feed roller 6 is thereby exerted at a nip section for each paper because of friction between each paper and the retard roller 7, nip pressure therefore will never be increased.
Patent JP-S61123042-A (JP)
Title: Driving device of plural cassette tapes
Inventor: NOGUCHI NAOTO
IPC: G11B15/26
Filed: 1984-11-20
Abstract: PURPOSE:To obtain a small-sized and low-cost driving device of plural cassette tapes by providing a driving part where the first and the second driving mechanisms which drive cassette tapes are provided back to back with each other. CONSTITUTION:When a motor 7 is rotated in the direction of an arrow, the first and the second flywheels are rotated relatively in opposite directions of arrows. When the mode is switched to the reproducing or recording mode in this state so that the first capstan shaft 2 and the first pinch roll 5 are brought into contact with each other, the first tape-up reel 10 is rotated in the direction of an arrow, and the first magnetic head 18 is brought into contact with the first cassette tape 14, and the recording or reproducing state is attained. On the other hand, the mode is so switched that the second capstan shaft 4 and the second pinch roll 6 are brought into contact with each other, thereby obtaining the recording or reproducing state of the second cassette tape 15.
Patent JP-S62104090-A (JP)
Title: Protecting device for semiconductor laser
Inventor: HORIBATAKE KATSUSHI
IPC: H01S5/042
Filed: 1985-10-30
Abstract: PURPOSE:To readily design a circuit and to set the regulating by inputting a sampling voltage after correcting the irregularity of the output characteristics of a semiconductor laser to an output regulating circuit and a protecting circuit, and controlling the driving circuit of the laser by the outputs of the both circuits. CONSTITUTION:The photo detector of a semiconductor laser 1 is composed of a diode 2 and a resistor 7, and an amplifier 8, a variable resistor 9 and a resistor 10 form means for correcting the irregularity in the output characteristic of individual semiconductor lasers. A sampling voltage V1 input to the terminal (b) of a gate circuit 12 is sample-held in a capacitor 13 by a sampling signal input to a terminal (c). An amplifier 14 compares the voltage V1 with a reference voltage, and controls the output of the laser 1 constantly. When the output of the laser 1 abruptly increases so that the voltage V1 increased larger than the reference voltage V2 in the amplifier 20 of a protecting circuit 23, a switch 22 is closed by the output of the amplifier 20, the transistor 4 is turned OFF, and the output of the laser 1 is suppressed to the maximum allowable output or lower.
Patent JP-H04122894-A (JP)
Title: Soundness monitoring apparatus
Inventor: SUDO AKIRA
IPC: G21C17/003
Filed: 1990-09-14
Abstract: PURPOSE:To perform a remote monitoring of soundness of an object such as piping or equipment directly and constantly by measuring a potential difference between the object such as piping or equipment and a reference electrode set at a position near the object continuously by a potential difference measuring means. CONSTITUTION:A reference electrode 1 is set as opposed pole at a position near any equipment 2 within a nuclear reactor. A lead 3 for measurement is pulled out of the reference electrode 1 and taken outside a nuclear reactor form thereinside using a method of comax type sealing 4 or the like to be connected to a potential difference meter 5 set outside the reactor. The lead is mounted at an optional position of any equipment 2 within the reactor by a spot welding or the like. The lead is also taken out of the reactor by the same method as used in the lead 3 for measurement to be connected to the potential difference meter 5. Then, the potential difference meter 5 measures a potential difference between the equipment 2 within the reactor and the reference electrode 1 continuously to be recorded with a recording meter 6 while being stored into a recorder 7 of a computer to preserve.
Patent JP-2000073557-A (JP)
Title: Joiner pressing jig
Inventor: NISHIJIMA HIROO
IPC: E04F21/18
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a joiner pressing jig which can effectively and easily press a joiner fixed onto a joint part having the difference of level against each of a front side and deep side faces formed by the difference of level. SOLUTION: This joiner pressing jig which presses joiners 2 arranged along a joint part 3 having a produced difference of level against the joint part 3 and sticks the joiners 2 fast to it has a jig body; and a plurality of rollers 11, 12 which are provided in the jig body and severally abut on the surfaces 2a, 2b of the joiners 2 arranged on the faces 3a, 3b on the front and the deep side of the joint part 3 formed by the difference of level 4 for severally pressing the joiner 2 against the faces 3a, 3b on the front ant the deep side of the joiner 2. The axes 14b, 15b of the rollers 11, 12 are provided in parallel to each other.
Patent JP-H0992719-A (JP)
Title: Fabrication of semiconductor device
Inventor: OZAKI HIROTSUGU
IPC: H01L21/28
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To decrease the resistivity in a contact hole by making a recess through etching in an insulation film deposited on the entire surface using the insulation film on the side wall of the gate electrode as a mask, removing the insulation film from the uppermost layer of the gate electrode, and then forming a conductive film between the gate electrodes and on the gate electrode. SOLUTION: An insulation layer 11 is formed, as an interlayer insulation layer, on silicon nitride layers 8, 9 and a semiconductor substrate 1. The insulation layer 11 is then etched to make a contact hole 10. Subsequently, the silicon nitride layer 8 is removed and a barrier metal layer 13 is formed on the semiconductor substrate 1 in the contact hole 10 and on a polysilicon layer 5 formed on a gate electrode layer. Thereafter, a tungsten layer 15 is formed on the layer 13 followed by formation of a bimetal layer 19 and a tungsten layer 21 in the region on the contact hole 10 made through an deposited insulation layer 17. This structure decreases the aspect ratio of the contact hole while reducing the cost.
Patent JP-H1067061-A (JP)
Title: Honeycomb core-containing plastic panel and its production
Inventor: KAWASHIMA TSUTOMU
IPC: B21D47/00
Filed: 1996-08-28
Abstract: PROBLEM TO BE SOLVED: To reduce the wt. of a honeycomb core-containing plastic panel and to increase the strength thereof by inserting a honeycomb core made of aluminum into the gap between felts impregnated with a resin and putting the whole in a film to heat and cure the resin. SOLUTION: The whole of felt 1 is sufficiently and uniformly impregnated with a resin to a degree preventing the resin from flowing out to the outside. Two felts thus impregnated with the resin are prepared and a honeycomb core made of aluminum is inserted into the gap between the felts. The honeycomb core and the felts are lightly bonded by the sticking force of the resin infiltrated into the felts. The felts having the honeycomb core inserted into the gap therebetween is put in a film 6 formed into a bag shape and air is extracted from the film to hermetically seal the film. The deaerated felts 1 inserted into the film and the honeycomb core 6 are sunk into the water in a water tank 10 filled with a predetermined amt. of water and the water in the water tank 10 is heated by a boiler 12 through a pipe 14.  By this method, a lightweight honeycomb core-containing plastic panel having high strength can be produced.
Patent JP-H0985680-A (JP)
Title: Cutting method for film
Inventor: NAKAJIMA HIROSHI
IPC: G03C1/795
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a cutting end of a superior cutting sharpness by cutting a film by keeping a residual volatile component and the temperature of a cut part of the film within a prescribed range in cutting. SOLUTION: Heaters 18 are arranged in positions to be cut in edge parts 12A in the width direction of a film 12 respectively and heat a part to be cut of the film 12 by blowing high-temperature wind thereto. The film is cut by setting a residual volatile component of the film 12 to 1%-15% and the temperature of the part to be cut of the film 12 to 60 deg.C-TG (glass-transition temperature of polymer) in cutting. This constitution can provide a cutting end of superior cutting sharpness, causes no problem such as cutting chip, allow the temperature less than the TG temperature, and secure the planality of the cutting part. Stable cutting sharpness and superior cutting can be thus provided.
Patent JP-H03163159-A (JP)
Title: Curable resin composition
Inventor: HASHIMOTO KAZUMASA
IPC: C08L67/04
Filed: 1989-09-20
Abstract: PURPOSE:To obtain a curable resin composition having rubber elasticity of low tensile modulus and high elongation and excellent weathering resistance, heat resistance, etc., by mixing a reactive silicon group-containing polycaprolactone having a specified bonding group in the polymer main chain with a silanol condensation catalyst. CONSTITUTION:A curing resin composition useful as, e.g. a construction sealant is obtained by mixing 100 pts.wt. epsilon-caprolactone polymer [containing at least one Si-containing group having OH or a hydrolyzable group, being crosslinked by the formation of a siloxane bond, having at least one, desirably one, per 2-100 epsilon-caprolactone monomer units, bonding unit of the formula (wherein R is a 1-5 C alkyl group) and having a number-average mol.wt. of 8000 desirably 20000) with 0.1-20 pts.wt., desirably 1-10 pts.wt. silanol condensation catalyst (e.g. tin octylate).
Patent JP-H04126591-A (JP)
Title: Deoxidizer and method for using same
Inventor: HIROSE MASANORI
IPC: C09K3/00
Filed: 1990-09-14
Abstract: PURPOSE:To improve safety by adding a redox catalyst to a polyhydric alcohol, a deriv. thereof or a salt of the deriv. CONSTITUTION:A redox catalyst is added to a polyhydric alcohol, a deriv. thereof or a salt of the deriv. to enhance the deoxidizing ability. The catalyst is selected among salts of Fe, Sn, Mn, Co and Cu, hydroquinones, oxidized hydroquinones and catechols. The amt. of the catalyst added is 0.01-20 pts.wt. per 1 pt.wt. of the alcohol, deriv. or salt. An aq. soln. of pH3-13 contg. >=10ppm of the alcohol, deriv. or salt and the catalyst is prepd. and added or the alcohol, deriv. or salt and the catalyst are separatedly added to the same water system. Safety is improved.
Patent JP-H0672424-A (JP)
Title: Multilayer bottle
Inventor: MORII HITOSHI
IPC: B29C49/22
Filed: 1992-08-21
Abstract: PURPOSE:To improve the freeze resistance of a multilayer bottle made by a direct blow system, etc. CONSTITUTION:In a multilayer bottle formed by a multilayer material containing a core layer by a gas barrier resin such as ethylene-vinylalcohol copolymer and the outermost layer by polyolefine resin, 5-40 pts.wt. (for 100 pts.wt. polyolefine resin) straight-chain ultra-low density polyehylene resin is contained in the outermost layer. Thus, it is possible to obtain a bottle being not inferior to a prior art bottle in respective transparency and luster characteristics and excellent in freeze resistance.