baber/WOPTO huggingface dataset:
Patent JP-H10147571-A (JP)
Title: Production of n-acyl nitrogen-containing cyclic ketones
Inventor: ISHIKAWA TAIYO
IPC: B01J23/44
Filed: 1996-11-19
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound useful as a raw material or intermediate for medicines or agricultural chemicals or as a raw material for enzymes for the biological synthesis of cholesterol. SOLUTION: This method for producing the compound of formula VI (e.g. N-acetyl-4-piperidone) comprises reacting an N-benzyl nitrogen-containing ketone compound of formula I (A is 4-piperidone residue of formula II, 3-piperidone residue of formula III or a 3-pyrrolidone residue of formula IV) with an acid anhydride of formula V (R is an alkyl, an aryl) in the presence of a hydrogen doner such as hydrogen gas, if necessary, in the presence of a catalyst.
Patent JP-H09135809-A (JP)
Title: End structure of electronic endoscope
Inventor: KOMI SHUJI
IPC: G02B23/24
Filed: 1995-11-17
Abstract: PROBLEM TO BE SOLVED: To ensure the proper airtight state of the housing part of an image pickup element assembly body under the confirmation of the airtight state, and properly maintain the airtight state of the housing part even when an external force is applied. SOLUTION: An end part 17 has a housing part 25 formed on a body 18, and CCD 27, a circuit board 28 and the like are arranged in the housing part 25. Also, a circular arc protection plate 35 is provided so as to completely conceal the external opening of the housing part 25 and keep the internal space thereof airtight. In this case, the protection plate 35 is mounted by use of an adhesive, and an end cap is externally coupled thereto. Also, the housing part 25 is filled with a bulking agent from the filling port thereof. As a result of mounting the protection plate 35, an airtight condition in the housing part 25 can be confirmed with the filling port manually closed, and protection strength against an external force can be enhanced.
Patent JP-2000152608-A (JP)
Title: Dc-to-dc converter
Inventor: KUNII SHINGO
IPC: H02M3/155
Filed: 1998-11-13
Abstract: PROBLEM TO BE SOLVED: To provide a DC-DC converter, which is small in size and low in cost and has a function in which a steady operation is automatically restored after an output short circuit is released. SOLUTION: Blocking oscillation is generated by a transformer winding 2, a transistor 3, a capacitor 4, a resistor 5 and a starting resistor 6. Energy is charged/discharged through a transformer winding 1. A rectified output is connected to a voltage output terminal through a capacitor 18 and diodes 19 and 20. A diode 22, which is a short circuit protective circuit, is connected between the voltage output terminal and the base of the transistor 3.
Patent JP-H07181257-A (JP)
Title: Vehicle-mounted ultrasonic wave measuring instrument
Inventor: KUZUTANI KEIJI
IPC: B60G23/00
Filed: 1993-12-22
Abstract: PURPOSE:To accurately detect reflection waves even if the height above the ground fluctuates by performing amplification and envelope detection of reflection wave signals and then determining the timing of a gate for receiving reflection waves according to the change in the detected amplitude level. CONSTITUTION:When a CPU 1 set an intermittent output P1 to '1', the output of a frequency-dividing circuit 7 turns on or off a switching transistor 6, a high voltage is generated at the secondary side of a transformer 5, and then an ultrasonic wave transmitter/receiver TR1 generates ultrasonic waves. The signal from the wave trartsmitter/receiver TR1 detected via a transmission/ reception switching circuit 3 is amplified by a preamplifier 4, only the reflection of ultrasonic waves discharged via a band-pass filter 8 for passing a specific ultrasonic wave frequency which is output corresponding to the speed change such as vehicle speed, and it is further amplified by an amplifier 9 and then is input to a comparator 10 for binarization. The output signal of the comparator 10 is input to a PLL circuit 12 for detecting frequency and the number of repetition pulses proportional to the output of the comparator 10 is output as the output signal.
Patent JP-H10161379-A (JP)
Title: Image forming device
Inventor: OGAWARA NORIO
IPC: G03G15/16
Filed: 1996-12-04
Abstract: PROBLEM TO BE SOLVED: To feed sheets of various kinds of thicknesses and sizes to a fixing part, without causing irregularities in an image and to prevent loss in productivity even in a small size sheet by arranging plural sheet carrying means and setting the distance between a transferring part and the fixing part at a specific length in accordance with a maximum size sheet used and a sheet requiring maximum productivity. SOLUTION: The distance between a photoreceptor drum 1 and a fixing device 5, where the sheet 13 is carried by first and second sheet carrying belts 3 and 4 is set greater than the length of the maximum size sheet 13, so that the image can be formed even on the maximum size sheet 13 being capable of forming the image such as the sheet larger than an A-3 size sheet. Further, the distance between the drum 1 and the fixing device 5 is set at the length of the size sheet requiring the maximum productivity, for instance the length obtained by adding the length of the intergap between two sheets and a margin to the length of two A-4 size sheets.
Patent JP-H03186642-A (JP)
Title: Belt tension device of internal combustion engine
Inventor: KASAHARA NORIHIKO
IPC: F02B67/06
Filed: 1989-12-15
Abstract: PURPOSE:To eliminate layout restriction of an alternator with tension adjusting work facilitated by connecting one end of a damper, provided with a spring, on an end part of an adjust shaft and the other end to the arm of a tension pulley. CONSTITUTION:An adjust shaft 32 is inserted through a stopper plate 24, the second stopper 39 is brought into contact with the stopper plate 24, an adjust nut 30 is left-hand rotated and screwed to the shaft 32 and the nut 30, when it comes in contact with a mounting plate 25, is right-hand rotated and tightened until the first stopper 38 comes in contact with the stopper plate 24. Next the nut 30 is left-hand rotated and loosened until the second stopper 39 comes in contact with the lock plate 27 of the stopper plate 24, and in this condition, the shaft 24 and an arm 10 are connected to each other by a damper 40. The nut 30 is right-hand rotated until the first stopper 38 comes in contact with the stopper plate 24, and when the shaft 32 is moved to a pulley side, the arm 10 is pressed by the damper 40 and turned to give predetermined tension to a belt 14.
Patent JP-2000140795-A (JP)
Title: Treatment of heavy metal-containing fly ash
Inventor: ABUMIYA MITSUO
IPC: B09B3/00
Filed: 1998-11-13
Abstract: PROBLEM TO BE SOLVED: To correspond to the tighening of severe area drainage regulation with respect to waste water of the wet treatment of fly ash and to recover useful heavy metals in fly ash in a stable form. SOLUTION: Water and a mineral acid are added to fly ash and the resulting slurry is adjusted to pH <=5 to elute salts and a neutralizing agent is added to this elution soln. to adjust the pH of the soln. to 8-12 to perform solid-liquid separation. A ferrous salt is added to the obtained salt-containing filtrate to adjust the pH of this filtrate to pH >=8 to perform solid-liquid separation and residual heavy metals are co-precipitated along with an iron salt to obtain clarified filtered waste water. This iron salt reaction is especially effectively performed at 30 deg.C or higher in a non-oxidative atmosphere. Corresponding to the compsn. of fly ash, an aluminum salt is added to filtered waste water to remove fluorine, or COD is removed by adsorbing treatment due to activated carbon.  The obtained heavy metal-containing precipitate is further repulped by water and a mineral acid to obtain a lead product at pH <=4 and the filtrate thereof is neutralized to recover copper, zinc or the like as a precipitate.
Patent JP-H08243864-A (JP)
Title: Multiaxis machining machine tool
Inventor: GERUTO HOTSUPU
IPC: B23Q1/25
Filed: 1995-12-13
Abstract: PROBLEM TO BE SOLVED: To provide a machine tool having a simple structure, occupying only a small area, and machining a work with high accuracy by just setting it once. SOLUTION: A machine tool is constituted of a high-rigidity substructure 1 with a worktable 20 and machining units 9, 11 provided with at least one tool. A receiving face 14 inclined 45 deg. is provided on the substructure 1 for multiaxial machining of a work and a console 15 supporting the worktable 20 is supported on the receiving face in such a state as being rotatable about a receiver face central axis 16 by a motor.
Patent JP-H09159939-A (JP)
Title: Return light control unit
Inventor: UENISHI YUJI
IPC: G02B6/32
Filed: 1995-12-13
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized, inexpensive, and high-performance control unit in quantities by solving defects such as the size increase, non- massproductivity, non-economization, and restrictions of fast driving of elements due to individual component constitution that a piezoelectric driving optical mirror has. SOLUTION: This device consists of a movable part 4 having a mirror surface 3 composed of a conductor or semiconductor supported on >=2 couple of beams 5 extending from an anchor 6, an inter-digital electrode couple 8 which are united with the anchor 6 and formed of a conductor or semiconductor, a tip- spherical fiber 11 which has lens operation at its front end, and a V groove 10a where the tipspherical fiber 11 is fixed. In this case, the movable part 4, comb-line electrode couple 8, and V groove 10a are formed on the same substrate 10 and the tip-spherical fiber 11 is arranged so that the mirror surface 3 of the movable part 4 is at the beam waist position formed through the lens operation.
Patent JP-H0510083-A (JP)
Title: Method of electric vacuum purifying
Inventor: JIEEMUSU JIEI MAROTSUTO
IPC: B09C1/00
Filed: 1991-12-09
Abstract: PURPOSE: To easily collect contaminants by providing a vacuum extracting means in a contaminated zone and, at the same time, an electrical inducing means for imparting heat energy to volatile contaminants in the zone. CONSTITUTION: A well 1 is dug into contaminated soil in a vadose zone and, at the same time, through holes 4 are made through the frame 6 of the well 1. Then, an electrode 5 is provided in the well 1 and electrodes 7 are provided on the ground surface 2 of or in the ground. In addition, the electrodes 5 and 7 are connected to a power source 8. When a direct current or an alternating current is made to flow between the electrodes 5 and 7, heat is generated in the well 1 and the volatilization of volatile and semi-volatile contaminated compound materials in the soil is accelerated and collected to the ground surface through the well 1 by means of a vacuum generating source 3.
Patent JP-H10148186-A (JP)
Title: Hopper device for squeezing-out type concrete pump
Inventor: USHIO MASASHI
IPC: F04C5/00
Filed: 1996-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a hopper device capable of efficiently moving a hopper to the action quantity of a hopper driving means to ensure a region for passing a pumping tube to the lower part of the hopper, and facilitating the moving or replacing work of the pump tube. SOLUTION: A hopper 12 is rotated upward with a spindle along a direction orthogonal to a vehicle fore and rear direction as the rotation center, by actuating a hopper driving means 15 in a condition where a hopper supporting mount 11 and the hopper 12 are connected by a hopper connecting means 14. A hydraulic cylinder is adopted as the hopper driving means 15, and is used by connecting one end and another end sides of the hydraulic cylinder 15 to the hopper supporting mount 11 and the hopper 12 respectively.
Patent JP-H01164989-A (JP)
Title: Mechanism for preventing reversal of blade of copying machine
Inventor: MURAKAMI SUSUMU
IPC: G03G21/10
Filed: 1987-12-21
Abstract: PURPOSE:To prevent the reversal of a blade from being performed by deviating the center of the rotary shaft of the blade to a photosensitive body side than the tangent line of the blade with the photosensitive body, and furthermore, providing an absorbing means with a reversing force between the blade and a driving source for the supporting plate of the blade. CONSTITUTION:The position of the rotary shaft 7 of the supporting plate 5 to support the blade 2 is deviated in the direction of the photosensitive body 1 than the tangent line D of the blade 2 with the photosensitive body 1, and also, the other end of the supporting plate 5 is connected to the movable iron core 4' of a solenoid 4 by providing a spring 8 between them. Therefore, when a frictional force between the blade 2 and the photosensitive body 1 is increased, a force in a direction of B' to separate the blade 2 from the photosensitive body 1 is generated, and the force is absorbed by a means to absorb the force, that is, the spring 8. In such a way, it is possible to prevent the blade from being reversed.
Patent JP-H06147017-A (JP)
Title: Fuel adjusting device for carburetor
Inventor: POORU ERU DEITEEZU
IPC: F02M19/06
Filed: 1992-11-10
Abstract: PURPOSE:To prevent a flow rate adjusting needle valve from conflicting with an exhaust regulation even a user operates in what manner the flow rate adjusting needle valve for fuel, fed to a suction path from a fixed fuel chamber. CONSTITUTION:A fuel passage is divided into a main fuel passage 6, having a variable orifice 8 for changing an effective area by a manual needle valve 9; and a sub-fuel-passage 11, having a fixed orifice 15. The variable orifice 8 is made to have a size capable of regulating a fuel flow rate for producing allowable high-density mixed gas by cooperating with the fixed orifice 15 at the time of full opening, and the fixed orifice 15 is made to have a size capable of giving a fuel flow rate for producing allowable lean mixed gas at the time of fully opening the variable orifice 8.
Patent JP-H03185097-A (JP)
Title: Liquid detergent composition
Inventor: NAKAYA HIROSHI
IPC: C11D1/72
Filed: 1989-12-13
Abstract: PURPOSE:To obtain the title composition having mildness to the skin, excellent foaming properties, dry touch of foam and improved sliminess of cleaning solution, containing a specific nonionic surfactant and a specific anionic surfactant in a specific ratio. CONSTITUTION:The objective composition containing (A) 3-40wt.% nonionic surfactant which is shown by formula I (R is average 7-15C alkyl or alkenyl), 3-15 number of average additions mols of ethylene oxide, <=10wt.% unreacted alcohol which is a compound when n=0 and satisfies correlation shown by formula II (Yi is wt.% of i number of mols of number of addition mols) when number of addition mols with largest wt.% is nmax and (B) 0. 5-20wt.% anionic surfactant containing-COO<->,-OSO3<-> or-SO2<-> group in the weight ratio of the component A/B of 1/2-20/1.
Patent JP-H07182401-A (JP)
Title: Designing support device for printed circuit board
Inventor: SHIMOZU TAKESHI
IPC: H05K3/00
Filed: 1993-12-22
Abstract: PURPOSE:To verify the designing of a printed circuit board in a simple way and in a short time by synthesizing the unchanged and changed net lists of a connection diagram, rearranging data for each net name, and then converting those data having the same net end parts pin names into a single piece of data. CONSTITUTION:A net list producing means 10 of a CPU 1 produces a net list showing the correspondence between the parts pin and net names based on the connection diagram of an input printed circuit board. A connection diagram producing means 9 produces a connection diagram from the net list. Then a net list synthesizing means 11 of the means 10 synthesizes the unchanged and changed net lists by adding the indexes to these lists to show the unchanged end changed states respectively when the designed connection diagram is partly changed. A rearranging means 12 rearranges data for each net name. A data converting means 13 converts those data that have the same net and parts pin names into a single piece of data. Then an editing means 14 edits the converted data in response to the unchanged net list.
Patent JP-H06144267-A (JP)
Title: Vehicle turning limit margin estimating device
Inventor: HIRANO YUTAKA
IPC: B62D111/00
Filed: 1992-11-10
Abstract: PURPOSE:To obtain the reference turning state quantity of a vehicle with the influence caused by the worn degree, kind, and the like of a tire taken into account by estimating the cornering power of the tire, and determining the reference turning state quantity taking account of the estimated cornering power in a device for determining the reference turning state quantity of the vehicle regarding the cornering characteristic of the tire as linear so as to estimate the degree of margin to the turning limit of the vehicle from the relation between the reference turning state quantity and the actual turning state quantity. CONSTITUTION:On the basis of front-rear wheel steering angles deltaf, deltar, the actual lateral acceleration alpha, the actual yaw rate gamma and the vehicle speed V respectively detected at two mutually close times in the turning state of a vehicle with the cornering characteristic positively guaranteed to be in a linear region, cornering power Cf, Cr are estimated by operation by using a vehicle two- freedom linear model (S101-109). A reference yaw rate gamma* and reference lateral acceleration gamma* are computed using the estimated Cf, Cr (S110).
Patent JP-2001145240-A (JP)
Title: Gas-insulated bus bar and gas-insulated switchgear
Inventor: IMAMURA YUKINOBU
IPC: H02G5/06
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To provide a gas-insulated bus bar and a gas-insulated switchgear that make it possible to reduce electromagnetic force produced at bends in a current-carrying conductor due to the current passed through the current- carrying conductor and its induction field. SOLUTION: The inside or inside inner wall face of a conductive tank at a bend in a gas-insulated bus bar is made of magnetic material.
Patent JP-H03184755-A (JP)
Title: Seal edge grinder of hollow glass article for picture tube
Inventor: KISHIMOTO ISAO
IPC: B24B9/12
Filed: 1989-12-14
Abstract: PURPOSE:To have the grinding surface of a grinding table worn out uniformly over the whole surface and maintain a smooth surface at all times by decentering this grinding table from an arm shaft. CONSTITUTION:An arm shaft 11 is decentered to a turning center axis in a grinding table 10. Accordingly, when the rotative grinding of a seal edge surface of a hollow glass article 15 for a picture tube is performed on this grinding table 10, rotative grinding work takes place as the hollow glass article 15 and the polishing table 10 both reciprocatively slide relatively as far as two times over an eccentric value in the radial direction of the table 10. In consequence, the seal edge surface of the hollow glass article 15 rubs a top surface of the table 10 over the whole surface so that it is ground.
Patent JP-H08182319-A (JP)
Title: High-voltage generator
Inventor: TANAKA TAKESHI
IPC: H02M7/12
Filed: 1994-12-27
Abstract: PURPOSE: To suitably generate two types of high voltage by effectively using a capacitor while restraining the employment of excess duplicate constituting members. CONSTITUTION: A capacitor 50 constitutes a series resonance circuit together with the secondary side coil 37 and capacitor 40 of a high-frequency transformer 30. Thus, the capacitor 40 generates a resonance voltage under the self-excited oscillation of the transformer 30 due to the resonance of the resonance circuit. In this case, a negative resonance voltage is present at an electrode 41, while a positive resonance voltage is present at an electrode 42. Accordingly, both the diodes 60, 70 double voltage full-wave rectify the resonance voltage from the electrode 41 of the capacitor 40 to generate a negative high voltage. On the other hand, both the diodes 80 and 90 receives a resonance voltage from the electrode 42 of the capacitor 40 through a capacitor 100, and performs double-voltage full-wave rectification to generate a positive high voltage.
Patent JP-H06176550-A (JP)
Title: Program searching control method
Inventor: SAKUMA SEIICHI
IPC: G11B27/28
Filed: 1992-12-04
Abstract: PURPOSE:To execute searching of a desired program in a short time by reversing the feed direction of a tape and making fine adjustment before a start position is attained when the scanning position of a head exceeds the start position of the program during the slow speed feeding after the halt of the high speed feeding of the tape. CONSTITUTION:A display section 2a and a switch 2b are disposed in a program searching controller 2 which has a display function of time codes and a program searching control function. The controller is connected to a VTR 1 by a cable 3 and controls the operation of the VTR 1. The program searching operation is executed by first putting the VTR 1 into a reproduction state and monitoring reproduced images by a monitor TV. When a switch 2b is pushed at the time of the image desired to be searched, the time code of the position is stored into the program searching controller 2. The tape is thereafter fed at a high speed in a program searching direction according to a program searching command and the time codes are successively read. The tape traveling is stopped in the position of the previously stored time code according to the slow speed feeding.
Patent JP-2001141589-A (JP)
Title: Semiconductor pressure sensor
Inventor: NAGASAKA HIROSHI
IPC: H01L21/52
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor pressure sensor capable of squaring easily a pressure introduction hole of a pressure sensor chip with the position of a through-hole of a holder, uniformizing the thickness of an adhesive, and of preventing the adhesive from penetrating into the through-hole of the holder. SOLUTION: A ring-shaped projection part 17G is formed on a recessed part 17B of the holder 17, and the pressure introduction hole 1A of the pressure sensor chip 1 is fitted with the ring-shaped projection part 17G and the pressure sensor chip 1 is installed, to compose this semiconductor pressure sensor 20. Positioning can be executed only by fitting the pressure introduction hole of the pressure sensor chip with a part of the ring-shaped projection part of the holder, therefore the pressure introduction hole of the pressure sensor chip can be easily squared with the position of the through-hole of the holder.
Patent JP-2001142676-A (JP)
Title: Printer
Inventor: NARISAWA HIDEYUKI
IPC: G06F3/16
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To output a sound at proper volume in conformity to surrounding circumstances. SOLUTION: A noise detecting part 30 to detect a noise level of surroundings is provided in a printer 10. When the sound is reproduced, the noise level of the surroundings detected by the noise detecting part 30 is compared with a noise level to be a standard, when the noise level of the surroundings is smaller than the noise level to be the standard, sound volume is set lower, when the noise level of the surroundings is larger than the noise level to be the standard, the sound volume is set higher and the sound is outputted from a sound output part 32.