baber/WOPTO huggingface dataset:
Patent JP-S59186427-A (JP)
Title: Phase locked loop
Inventor: OGASAWARA YASUO
IPC: H03L7/113
Filed: 1983-04-08
Abstract: PURPOSE:To hold loop characteristics of a PLL normally and to obtain an invariably stable readout clock by controlling the oscillation frequency range of a voltage-controlled oscillator by the output voltage of a bit rate detecting means. CONSTITUTION:The phase locked loop PLL consists of a tape running speed detector 4 as a means for detecting the bit rate of data pulses Dp as an input signal, phase comparator 1, loop filter 2, and voltage-controlled oscillator 3 having the 1st and the 2nd control input terminals. The tape running speed detector 4 detects the rotating speed of capstan roller provided to a tape running system to obtain a voltage proportional to a tape running speed. For example, when a helical scanning type is used for a tape running mechanism, the tape running speed and output voltage, i.e. output voltage which corresponds to the bit rate of a playback signal, has a specific level even when the tape running speed is zero and is proportional to the tape running speed are obtained.
Patent JP-H09227442-A (JP)
Title: Hafnium compound catalyst for acylation and production of aromatic compound using the same
Inventor: KOBAYASHI OSAMU
IPC: C07B61/00
Filed: 1996-02-23
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound useful as a catalyst effective for a Fries rearrangement and a direct acylation reaction of phenols and naphthols. SOLUTION: This catalyst comprises a compound of the formula Hf(OSO2 CF3 )4 . The catalyst is used for a Fries rearrangement of acyloxybenzenes or acyloxynaphthols and for a direct acylation reaction of phenols and naphthols with an acid halide or a carboxylic acid. The catalyst is prepared, for example, by mixing 8.61g of hafnium chloride with 22.1ml (250mmol) of trifluoromethanesulfonic acid, heating the mixture in an argon atmosphere at 50 deg.C for 68 hours, distilling away excessive trifluoromethanesulfonic acid under reduced pressure to give a crude reaction product as residual powder and purifying the powder to give a white powder. The Fries rearrangement reaction and the direct acylation reaction is preferably carried out in the presence of both the catalyst and sodium perchlorate in an organic solvent (preferably a mixed solvent of toluene and nitromethane).
Patent JP-2000258565-A (JP)
Title: Time correction device and clock and apparatus provided with this device
Inventor: SUZUKI YUICHI
IPC: G04G3/02
Filed: 1999-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a time correction device in which the progressing velocity of the time indicated by a corrected clock approaches the progressing velocity of a standard clock as corrections are repeated. SOLUTION: 1) The present standard time input from an input means 14, 2) a past standard time, 3) the present time indicated by a time measurement means 11, and 4) the difference between the past time indicated by the time measurement means 11 at a past standard time and the past standard time are stored in a time memory means 10. By using at least 2 of 1) to 4), a control quantity for controlling a frequency dividing ratio variation means for varying the frequency dividing ratio of a frequency divider 2 is produced with a control quantity producing means 9.
Patent JP-H07147617-A (JP)
Title: Facsimile equipment
Inventor: HAYAKAWA AKI
IPC: H04N1/00
Filed: 1993-03-22
Abstract: PURPOSE:To provide the facsimile equipment capable of recognizing the number of times of communication and the number of pages of a received original stored in an image memory with memory interception by outputting the number of times of communication and the number of pages memory intercepted when a print enable state is caused. CONSTITUTION:A facsimile equipment 1 is provided with a memory interception function for temporarily storing received image data in an image memory 14 in a print disable state at the time of reception and for printing them out after the print enable state is caused. At the time of memory over in the midway of storing data in this image memory 14, a signal processing part 24 reads the number of pages from a page counter 13, stores it in a RAM 11 and stops memory interception later. When recording paper is set and the print enable state is caused, the signal processing part 24 reads data showing the number of times of communication from a communication counter 12 and data showing the number of pages at every time of communication from the RAM 11 and prints them out by a recording part 18.
Patent JP-H09227347-A (JP)
Title: One package hair decolorant
Inventor: MIYABE SO
IPC: A61K8/00
Filed: 1996-02-24
Abstract: PROBLEM TO BE SOLVED: To obtain a non-aerosol and one agent hair decolorant capable of foamingly discharging a liquid hair decolorant composition containing hydrogen peroxide and a foaming agent. SOLUTION: This hair decolorant contains <=6wt.% hydrogen peroxide, 0.1-5wt.% foaming agent and further 0.01-2wt.% silicone compound as effective ingredients. As the foaming agent, an amphoteric surfactant (e.g. a fatty acid amide propylbetain) is preferably used together with a cationic surfactant (e.g. chlorinated alkyltrimethylammmonium). The hair decolorant composition is filled as an inside solution in a foamer vessel having a means capable of mixing the inside solution and air and foamingly discharge the mixture. The vessel is not corroded with hydrogen peroxide. The inside pressure of the vessel does not increase excessively. The foam discharged from the hair decolorant has foam qualities adaptable to hair, is not sticky after applying to the hair and is capable of imparting good feeling to the hair.
Patent JP-H04294799-A (JP)
Title: Refueling nozzle
Inventor: YAMAGUCHI TAKESHI
IPC: F16L43/00
Filed: 1991-03-26
Abstract: PURPOSE:To provide a refueling nozzle whose operability is not disturbed by providing a vapor recovery passage in the cylinder portion of said nozzle. CONSTITUTION:A refueling nozzle comprises a cylinder end portion 2, a cylinder portion 10 and a grip portion 40. The portion 2 is inserted into a refueling port of automobile and includes a nozzle portion 3 with a refueling port engaging piece 3a. A vapor collector 4 made of anti-oil rubber etc., is provided around the portion 3. The end 4a of the vapor collector has a trumpet-shape so that sealing between the refueling port of automobile and the collector can be easily established to facilitate recovery of vapor. The rear end of the collector 4 is closely attached to an attaching cylinder 5 protruding to the outer periphery of the portion 3 by means of a band 4b, while a vapor recovery pipe 6 has an opening in an intermediate position of the portion 3. The pipe 6 is arranged as shown by a figure outside the portion 10.
Patent JP-H04296993-A (JP)
Title: Coin raising device for automatic vending machine
Inventor: KISHIMOTO YOSHIHIRO
IPC: B65G17/12
Filed: 1991-03-26
Abstract: PURPOSE:To provide the coin taking-out port of an automatic vending machine on a comparatively higher position. CONSTITUTION:A backet 22 to receive a coin which drops in the lower part of the automatic machine is raised by an elevating device 30. When the backet 22 arrives at the height position opposed to the inside opening port 16 of the coin taking-out port, the elevating device 30 is temporarily stopped, thus, a coin C in the backet 22 is discharged to the inside opening port 16 of the coin taking-out port with inertia force.
Patent JP-H01236081-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F5/04
Filed: 1988-03-15
Abstract: PURPOSE:To prevent the charm of a player at the time of a variable display stop from being made monotonous by providing a variable display member stopping means to successively stop plural variable display members according to sequence set by means of a stop sequence setting means in response to the output of a stop command signal generating means. CONSTITUTION:Instead of starting a variable display by means of drum variable display members 121a, 121b and 121c along with the start-up prize winning of a pinball ball, the variable display is always executed by fluctuating the drum variable display members 121a, 121b and 121c, and a stop is executed according to the sequence set by means of the stop sequence setting means along with the start-up prize winning of the pinball ball. For a stop method, the stop is executed based on the lapse of a set time by the stop command signal generating means to generate a signal for stopping the variable display of the variable display members by means of a stop switch 18 and a timer. At the right corner of a front plate 14, by the fact that the player operates a stop sequence setter 19 composed of an operation dial 20, etc., the stop sequence of the drum variable display members 121a, 121b and 121c can be freely changed and set.
Patent JP-S63227409-A (JP)
Title: Cross chain with rotary member
Inventor: KISHI KENZO
IPC: B60C27/06
Filed: 1987-03-17
Abstract: PURPOSE:To provide rotatable cross-chains connected to side chains of an automobile tire chain assembly so that the most part of each cross chain is uniformly made into contact with the ground to aim at enhancing the durability of the tire chain, by providing a rotary member in each coupling part of each cross-chain. CONSTITUTION:Each cross-chain 1 is connected at both ends to side chains 4 through the intermediary of connectors 3. Further, a rotary member 2 is coupled to each connector 3. With this arrangement, during rotation of a tire, the cross-chain 2 may be freely rotated by means of the rotary members 2, and therefore, the most part of the cross-chain 1 may be uniformly made into contact with the ground and be worn uniformly. Accordingly, it is possible to enhance the cross-chain 1 as a whole. Further, even though the cross-chain 1 is coupled to the side chains 4, being twisted, the cross-chain 2 is turned to recover its normal condition, and therefore, it is possible to prevent the cross-chain 1 from being broken by twisting.
Patent JP-S58179691-A (JP)
Title: Heat-sensitive recording material
Inventor: KAGEYAMA SATORU
IPC: B41M5/337
Filed: 1982-04-13
Abstract: PURPOSE:To obtain a heat-sensitive recording material excellent in dispersion stability of the composition and storage stability of the recording paper by adding a vinyl acetate resin containing sulfonic acid group as a binder, together with a color forming substance and a developer, to a heat-sensitive color forming layer. CONSTITUTION:For example, an aqueous dispersion of a color forming substance (e.g., Crystal violet lactone, etc.) and an aqueous dispersion of a developer (e.g., bisphenol A, etc.) are separately prepared. Preferably 2-200wt% a vinyl acetate resin containing sulfonic acid group as a binder is added to at least one of the aqueous dispersions. Then, both the dispersions are mixed together, coated on a paper, etc., and then dried to obtain a heat-sensitive recording paper. In preparing the vinyl acetate resin containing sulfonic acid group, an olefin sulfonic acid or salt) e.g., styrene sulfonic acid, etc.) and vinyl acetate are polymerized in an alcohol or an alcohol-water mix solvent to a polymerization degree of 150-2,000.
Patent JP-H01234080-A (JP)
Title: Motor control circuit
Inventor: NOMOTO SATOSHI
IPC: H02P29/00
Filed: 1988-03-15
Abstract: PURPOSE:To prevent multiple speed lock, by clearing a counter when it is detected that a motor is rotating with a speed higher than a reference speed based on a count in a counter and a FG pulse. CONSTITUTION:A trigger pulse generator 12 responds to a FG pulse and provides trigger pulses alternately to RSFF28, 40 as set inputs. The RSFF28, 40 are reset by count-up signals fed from counters 38, 46 for counting a reference clock. A discrete output circuit 6 outputs a faste signal or a slow signal based on the time width of counter reset signals fed from the RSFF28, 40. When 4/3 time speed detection circuits 56, 58 detect that a motor is rotating with a speed higher than 4/3 of a reference speed based on counts of the counters 38, 46 and the FG pulse, they provide clear pulses to the counters 38, 46.
Patent JP-H07269185-A (JP)
Title: Cylinder lock
Inventor: HIRAI SHINICHI
IPC: E05B17/18
Filed: 1994-03-31
Abstract: PURPOSE:To improve the durability of the spring of a cylinder lock. CONSTITUTION:The width of a support wall 27b formed at the center section on the outside of the bottom face 24b of a main recessed section 24 is shorter than the length of the coil section 23a of a spring 23. On both sides of the support wall 27b, a pair of notch sections 27c and 27d are formed. On the inside of a key cylinder 30 opposing to the support wall 27b, a lock wall section 31 is formed, but the lock wall section 31 is projected shorter than the length of the coil section 23a of the spring 23 and the diameter of the coil section 23a. The coil section 23a of the spring 23 is arranged between the support wall 27b and the lock wall section 31, but the longitudinal side of the coil section 23a of the spring 23 does not contact the key cylinder 30. Since a shaft is not used, this cylinder lock can be assembled with ease. Since the coil section 23a of the spring 23 does not contact the key cylinder 30, the spring 23 is not damaged, and operation failure also does not occur. In addition, because this cylinder lock does not have a recessed section in which the coil section 23a is contained, water does not go into the cylinder lock, improving the durability of the spring 23.
Patent JP-H11245040-A (JP)
Title: Cleaning device for welding torch
Inventor: HIRAYAMA TAKAHIDE
IPC: B23K9/29
Filed: 1998-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a welding torch cleaning device which does not affect the welding quality and effectively prevents a spatter from sticking to a torch nozzle as well and not wasting a time, preventing a ball drop formation of a welding wire. SOLUTION: This device is equipped with a branch pipe 9 which branches a shield gas, on route of a gas piping route, being supplied to the tip end of a welding torch 3, an booster 8 to intensify the shield gas pressure, a tank 11 to store the intensified gas, and electromagnetic valves 6, 7 to control a flow of the shield gas. The shield gas intensified by the booster 8 is injected, immediately after the welding is finished from the bottom of the welding torch 3 to its tip end direction through a gas flow route of the welding torch 3.
Patent JP-H01234983-A (JP)
Title: Information collecting system
Inventor: ARAI KAZUNORI
IPC: G06F17/40
Filed: 1988-03-16
Abstract: PURPOSE:To omit timing control from the specification of an information collecting point group up to the reading of the information by sequentially scanning information collecting point groups on the basis of the output of a self-traveling counter and holding scanned data in a latch circuit. CONSTITUTION:A drive control means 105 successively controls the drive of information collecting point group driving means 101o-101m for extracting the states of respective point groups and respective group point information is stored in corresponding latch means 107o-107m through a level converting means 103. Thereby, information can be collected at an optional time without being conscious of its timing by allowing a latch output control means 10 to control the output of the prescribed latch means in accordance with the instruction of a host device. Consequently, the timing control from the specification of the information collecting point group up to the reading of the information can be omitted.
Patent JP-H07267633-A (JP)
Title: Production of boehmite sol and production of porous alumina by using the same sol
Inventor: OSHIMA HITOHIDE
IPC: B01J13/00
Filed: 1994-03-31
Abstract: PURPOSE:To produce porous alumina 'having a fine pore size and a sharp pore size distribution and boehmite sol as its precursor. CONSTITUTION:After adding an organic solvent and a compound capable of reducing the reactivity of an alkoxide with water, e.g. a carboxylic acid anhydride, an acetoacetic acid ester, a dicarboxylic acid ester, a beta-diketone or ethanolamine to an aluminum alkoxide, the alkoxide is hydrolyzed with water of >=80 deg.C. An acid is further added thereto after filtering the precipitate or without filtering it according to demand and the resultant mixture is subjected to peptization at >=80 deg.C to form boehmite sol. The formed boehmite sol is dried and calcined to give the objective porous alumina having a sharp pore size distribution.
Patent JP-S63230036-A (JP)
Title: Preservation of vegetables
Inventor: TANAKA KATSUSABURO
IPC: A23B7/153
Filed: 1987-03-19
Abstract: PURPOSE:To keep the freshness of raw vegetables high by dipping them in a buffer solution of a specific pH at low temperature, removing the solution from them and storing them in a cool place. CONSTITUTION:Raw vegetables, preferably cut vegetables or young seedling vegetables are treated with a buffer solution of a pH adjusted to about 5.3, preferably an acetate, citrate or phosphate buffer system at low temperature. Then, the vegetables, after the solution is removed, are stored in a cool place.
Patent JP-S57179159-A (JP)
Title: Carbazole derivative and its photoconductive polymer
Inventor: TATSUKI SHIGEO
IPC: C07D209/86
Filed: 1981-04-27
Abstract: NEW MATERIAL:A carbazole derivative expressed by formulaI(X, Y and Z are H, halogen, nitro, amino, alkyl, aryl, aralkyl, alkyloxy or carbonylalkyloxy).  
     EXAMPLE: Trans-1-(3-Vinyl-9-carbazolyl)-2-(9-carbazolyl)-cyclobutane.  
     USE: A monomer for photoconductive polymers, e.g. homopolymers or copolymers with compounds expressed by formula II (one of R 1  and R 2  is vinyl, the other is H, alkyl, etc.; m is 1W3; n is 1W4), usable for electrophotographic and photosensitive materials used for microfilms, and having improved film-forming property and flexibility and enough printing resistance and flexing properties and good photosensitivity.  
     PROCESS: A compound expressed by formula III is reacted with a compound expressed by the formula R 3 P=CH 2  (R is H, alkyl or aryl) to give the aimed compound expressed by formulaI. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S60204898-A (JP)
Title: Method for recovering filtering performance of ultrafilter membrane in electrodeposition painting line
Inventor: TADA NAOKI
IPC: C25D13/24
Filed: 1984-03-29
Abstract: PURPOSE:To recover remarkably the filtering characteristic of an ultrafilter membrane in an electrodeposition line by washing said film by a washing liquid consisting essentially of an ord. acid, when the filtering performance of said membrane decreases, then washing the membrane with a dilute soln. of an inorg. acid or inorg. base. CONSTITUTION:Iron or steel parts are pretreated by a phosphate soln. to form a phosphate film thereon and are then subjected to electrodeposition painting, washing and electrodeposition painting using an electrodeposition paint. Since the electrodeposition paint is filtered by an ultrafilter membrane and is used for electrodeposition painting in this case, the filtering performance of the ultrafilter membrane decreases increasingly. Such filter membrane is first washed by a liquid contg. an org. acid such as acetic acid, formic acis, lactic acid, glycolic acid, malic acid or the like in 0.1-20% concn. in order to recover the filtering performance of said membrane. The membrane is then washed for 30min-24hr with 0.05-0.2N soln. of an inorg. acid such as hydrochloric acid, nitric acid or the like or an inorg. base such as caustic soda, ammonia or the like and is further washed with pure water, by which the filtering function of the ultrafilter membrane is recovered.
Patent JP-S54153852-A (JP)
Title: Polyolefine resin composition
Inventor: KONDOU MAMORU
IPC: C08L23/00
Filed: 1978-05-24
Abstract: PURPOSE: To prepare a polyolefin resin composition having excellent mechanical properties and semipermanently preventing corrosion of metals with sulfides, by compounding a polyolefin resin with an iron compound.  
     CONSTITUTION: 100 Parts by weight of a polyolefin resin such as polyethylene, ethylene-vinyl acetate copolymer resin, etc., is mixed with 10W150 parts by weight (as Fe) of an iron compound such as FeO, Fe 2 O 3 , Fe(OH) 2 , FeCl 2 , etc. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H06250749-A (JP)
Title: High-voltage power unit
Inventor: SHIMIZU TATSUYA
IPC: G05F1/613
Filed: 1993-02-25
Abstract: PURPOSE:To switch positive and negative constant current output by making only the potential on one input terminal side of a comparator individual and making other circuit blocks common. CONSTITUTION:A photocoupler PC is controlled with the output of the comparator 4 to vary the collector-emitter impedance values of transistors(TRs) Q1-Q3 of a regulator 1, and then a continuous plus and minus output of the voltage source of cells 2 and 3 appears at an output terminal 9. For a plus output and a minus output, the switch 6 of a plus and minus output setting part 5 is switched to select a reference voltage Vs (plus output) or the ground potential (minus output) as a reference potential. An output current which flows in the plus or minus direction is detected by a resistance RB for detection and converted into a voltage and the comparator 4 compares the detected voltage with the reference voltage Vref to control the TRs Q1-Q3 thorugh the photocoupler PC, thereby performing constant-current control over the plus or minus output.
Patent JP-H11258223-A (JP)
Title: Liquid chromatograph mass spectrograph
Inventor: TANAKA KAZUMORI
IPC: G01N30/72
Filed: 1998-03-13
Abstract: PROBLEM TO BE SOLVED: To prevent a sample and a movable phase solution from being sucked into an oil-sealed rotary vacuum pump which preliminarily exhausts air from an interface. SOLUTION: A liquid chromatograph mass spectrograph is provided with an interface 11 to introduce a liquid sample eluted from a liquid chromatograph part 12 to a mass analyzing part 13 in a high vacuum state between the liquid chromatograph part 12 and the mass analyzing part 13. In the liquid chromatograph mass spectrograph, as a sample and movable-phase solution sucked toward an oil-sealed rotary vacuum pump 18 when the oil-sealed rotary vacuum pump 18 preliminarily exhausts air from inside the interface 11 are cooled by a double trap pipe 19 present between the interface 11 and the oil-sealed rotary vacuum pump 18, the atomized sample and movable-phase solution are liquefied and removed.
Patent JP-H10250198-A (JP)
Title: Thermal transfer printer
Inventor: OKUNA KENJI
IPC: B41J17/02
Filed: 1997-03-17
Abstract: PROBLEM TO BE SOLVED: To prevent creasing of a thermal transfer film as thin as several μm dynamically by dividing a tensile force acting on the thermal transfer film in the carrying direction thereof into components of tensile force directing outward while intersecting the tensile force. SOLUTION: The thermal transfer printer comprises a tension imparting member 7 having a central protrusion 71 interposed between a thermal head 1 and a thermal transfer film supply roll 45 while intersecting the carrying direction of thermal transfer film 4. Since the protrusion 71 divides a tensile force acting on the thermal transfer film 4 in the carrying direction into two components of force directing outward of the film while intersecting the carrying direction, the film is stretched in the carrying direction and prevented from being creased.