baber/WOPTO huggingface dataset:
Patent JP-H09209934-A (JP)
Title: Condensation trap
Inventor: YONEKURA MASAHIRO
IPC: B01D8/00
Filed: 1996-01-29
Abstract: PROBLEM TO BE SOLVED: To recover organic solvent steam in a short time, and prevent oil deterioration of a vacuum pump by containing an inner tank having umbrella- shaped heat transmission fins on an outer circumference in an outer tank, gas- tightly closing an aperture in a space part between both tanks, and providing a cover body to which a to be treated steam introducing conduit and an exhaust conduit are connected to position their tips to the space part. SOLUTION: Umbrella-shaped heat transmission fins 23 are provided in multi- stages on an outer circumference of a refrigerant tank (inner tank) 21 to contain refrigerant, and it is contained in a trap tank (outer tank) 22. A space part 22b is formed between both tanks 21, 22, and the inner tank 21 is gas-tightly contained in it. On a cover body 21a, a steam to be treated introducing conduit 26 and an exhaust port 27 are provided to position their tips to the space part 22b, and they are respectively connected to a rotary evaporator 50 and a vacuum pump 29. Cooling medium such as liquid nitrogen is contained in the inner tank 21, so the inside of the space part 22b is cooled by the umbrella-shaped heat transmission fins 23.  The vacuum pump 29 is driven, solution in the rotary evaporator 50 is vaporized by pressure reduction, and it is cooled and condensed in the space part 22b to be recovered.
Patent JP-H01189524-A (JP)
Title: Linear encoder
Inventor: KAWASAKI KAZUHIRO
IPC: G01D5/30
Filed: 1988-01-23
Abstract: PURPOSE:To measure the linear displacement of a moving object with the high resolving power almost corresponding to a waveform of light, by mounting a reflecting type grating to the moving body and performing operation from the return luminous intensity signal outputted from the optical pickup mounted on a fixed side. CONSTITUTION:A rod 34 is vertically fixed to the center of the back surface of a moving mirror (not shown in a drawing) and linearily driven in the axial direction thereof by a linear motor 36. A reflecting type grating 38 is mounted to the side surface of the rod 34 and an optical pickup 40 is arranged on a fixed side in opposed relation to the grating 38. The intensity signals of the return beams of three beams of the optical pickup 40 are shaped into square waves by waveform shaping circuits 50, 52, 54 to become displacement pulse signals S1, S2, S3 and an FF 56 receives the signals S1, S2 to output a forward/ reverse signal S4 showing an advance direction and an AND gate 58 receives the signals S1, S2, S3 to output a start signal S5. A microcomputer 60 calculates the moving speed and direction of the grating 38 from the pulse width and frequency of the signal S1 and the forward/reverse signal of the signal S4.
Patent JP-H05206828-A (JP)
Title: Output buffer
Inventor: KOHAMADA HIROYUKI
IPC: H03K19/0175
Filed: 1992-01-29
Abstract: PURPOSE:To reduce the occurrence of noise in a power supply at the changing point of an output at the time of driving with a large amount of current and to prevent the influence of the noise which occurs in the shared power supply in a normal state at the time of high speed operation from affecting, in the output buffer of a semiconductor integrated circuit. CONSTITUTION:Auxiliary transistors P11 and N11 are provided in parallel with the transistors P10 and N10 at the final stage of the output buffer and their gate inputs are auxiliary control circuits G12 and G13. Since the auxiliary control circuits G12 and G13 control the continuity of the auxiliary transistors P11 and N11 corresponding to the level of the internal or external control signals M10 and M11 of the semiconductor integrated circuit at the change point of input signals and the switching between two kinds of control circuits detecting the voltage level of output terminals and controlling the continuity is made, the resistances between source drains of the auxiliary control circuits G12 and G13 can be changed and thus, the occurrence of the noise at the changing point of an output terminal O11 can be reduced and the influence of the noise can be prevented from affecting in the normal state.
Patent JP-S58137552-A (JP)
Title: Cylindrical grinder
Inventor: RATSUSERU II KAIZAA JIYUNIA
IPC: B24B19/12
Filed: 1983-01-29
Abstract: PURPOSE:To make uniform the quantity of grinding with a grindstone, by altering the revolution speed of the surface of a cam as a function of the rotation angle of the cam. CONSTITUTION:A cam shaft 12 fitted with cams 14 at axial intervals is supported on a cam profile grinder 10 including a headstock and a tailstock. The profile of the cam 14 is shown in the drawing. While the bottom B of the cam 14 which is defined by a radius of R is in contact with a grindstone 16, the cam shaft 12 is rotated at a constant speed of VB so that the quantity of grinding of the cam with the grindstone is made uniform. The flat portions F1, F2 and protruded portion N of the cam 14 are ground at speeds of VF and VN, respectively. These  revolution speeds, the feed of the grindstone 16 and the swing of the headstock and the tailstock are determined according to a predetermined program so that the quantity of grinding is made uniform.
Patent JP-H05204152-A (JP)
Title: Sheet-formed optical recording material
Inventor: HOSODA YUKIO
IPC: G03C1/675
Filed: 1992-01-29
Abstract: PURPOSE:To directly form a sharp image by using an iron-arene type compound as a photocationic reaction initiator and a specified polyacrylate type derivative and/or polymethacrylate type derivative. CONSTITUTION:A coating layer composed essentially of the photocationic reaction initiator of the iron-arene compound, a sensitizing dye, a color developing dyestuff, and the poly-acrylate or methacrylate type derivative represented by formula I is formed on a sheet of a substrate. In the formula, R1 is >=2C alkyl, cycloalkenyl, cycloalkanyl, or aralkyl; R2 is H, halogen, amino, nitro, cyano, or alkyl optionally substituted by one of the above groups; and n is an integer of 5-10000.
Patent JP-H06229919-A (JP)
Title: Method and apparatus for measuring water content of dehydrated cake
Inventor: NAKAMURA KENZO
IPC: G01N21/3554
Filed: 1993-01-29
Abstract: PURPOSE:To make it possible to measure the water content of dehydrated cake instantly with an infrared-ray moiture meter by decreasing the errors of the water content of the dehydrated cake of sludge, which is generated from sewage, human waste or an industrial waste-water treating facility. CONSTITUTION:An infrared-ray moisture meter 2 is arranged at the vicinity of the outlet port of dehydrated cake of a belt-press dehydrating machine 1. An electric-conductivity measuring instrument 4 is arranged for a pipe (d), which supplies sludge into an aggregation mixing tank 14 of the belt-press type dehydrating machine 14. The data of a calibration curve corresponding to the mixing ratio for the mixed sludge of digestive sludge (a) and raw sludge (b) are stored beforehand. The electric conductivity of the sludge water flowing through the pipe (d) is measured with the electric-conductivity measuring instrument 4. The absorbance of the dehydrated cake, which is discharged from the second filter cloth at the outlet port of the dehydrated cake is measured with the infrared-ray moisture meter 2. The calibration curve of the infrared-ray moisture meter 2 is set based on the electric conductivity measured with the electric-conductivity measuring instrument 4 and the data of the calibration curve. The absorbance of the dehydrated cake measured with the infrared-ray moisture meter 2 is converted into the water content with the set calibration curve.
Patent JP-S62172587-A (JP)
Title: Reproducing device
Inventor: TAKEI MASAHIRO
IPC: H04N1/21
Filed: 1986-01-27
Abstract: PURPOSE:To attain sure recording by reading the recording state of a recording medium by a read means and storing it in a storage means to eliminate the need for grasping the recording state on each occasion at the recording of reproducing data. CONSTITUTION:When a command of key data recording is inputted to a CPU 22, switches 4, 12 are changed over to the position B, a recording/reproducing head 2 inputs the information reproduced from a disk 1 to a video/audio discrimination circuit 8, the result of discrimination and a track number are recorded correspondingly and displayed on a monitor 20. When an automatic reproduction command is inputted from a cue data circuit 26 based on the display content, the discrepancy from the track information is checked and when no discrepancy exists, the information is stored additionally, switches 4, 6 are changed over and the result is recorded on a cur track. When the command of cur data reproduction is inputted, the reproduced cue data is led to a discrimination circuit, the result is fed to the CPU 22 and the reproduced voice and video signal is reproduced by a speaker 16/monitor 20.
Patent JP-H10202865-A (JP)
Title: Ink jet recording head
Inventor: YASUTOMI HIDEO
IPC: B41J2/055
Filed: 1997-01-28
Abstract: PROBLEM TO BE SOLVED: To prevent the penetration of ink into a piezoelectric member being an ink emitting actuator in an ink jet recording head. SOLUTION: An ink jet recording head 10 is equipped with an ink cavity 26 housing ink, a piezoelectric member 42 arranged in opposed relation to the ink cavity 26 and pressurizing the ink in the ink cavity 26 on the basis of deformation at a time of the application of voltage, the protective member 40 made of ceramic covering the ink cavity opposed part of the piezoelectric member 42 and the filling material 62 allowed to fill the gaps formed by the side surfaces along the ink pressurizing direction (direction shown by an arrow A) of the piezoelectric member 42 and the wall members 44, 46 opposed thereto so as to cover the side surfaces of the piezoelectric member 42.
Patent JP-H08205516-A (JP)
Title: Electronic circuit
Inventor: HOSAKA YASUO
IPC: G05F1/10
Filed: 1995-01-31
Abstract: PURPOSE: To provide an electronic circuit by which an overvoltage protection circuit only can be tested without the deterioration of the circuit. CONSTITUTION: The anode of a thyristor 131 in an overvoltage protection circuit 13 is connected to the input terminal 11a of a DC/DC converter main part 11 and the cathode of the thyristor 131 is connected to a ground terminal 10c. A series circuit of Zener diodes 132 and 133 is connected at the cathode end o the cathodes of diodes 151 and 152 in an overvoltage protection test circuit 15. The anode of the Zener diode 133 is ground through series resistors 134 and 135. The connection point between the resistors 134 and 135 is connected to the gate of the thyristor 131 and, further, is grounded through a capacitor 136. Further, the anode of the diode 151 of the overvoltage protection test circuit 15 is connected to the input terminal 11a of the DC/DC converter main part 11 and the anode of the diode 152 is connected to a test voltage input terminal 153.
Patent JP-S60158655-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: TAKASU HIDESHI
IPC: H01L27/06
Filed: 1984-01-27
Abstract: PURPOSE:To lower the threshold level of a C-MOS element by forming a gate in the C-MOS element by polycrystalline silicon and shaping a source and a drain in a self-alignment manner. CONSTITUTION:A P-MOS consists of a source 13a, a drain 13b and a gate 12a. An N-MOS is composed of a source 14a, a drain 14b and a gate 12b. The gates 12a, 12b in a C-MOS consisting of these P-MOS and N-MOS are formed by polycrystalline silicon. The P<+> layers 13a, 13b are shaped in regions demarcated by a selective oxide film 8 and the polycrystalline silicon gates 12a, 12b in a self-alignment manner. The N<+> layers 14a, 14b are also formed similarly in the self-alignment manner. The bottom of a P well region 5b in which the N-MOS is shaped is in contact with a P<+> buried layer 4b, and an N<+> buried layer 3b is formed on the lower side of the P-MOS.
Patent JP-S56113825-A (JP)
Title: Magnetic bearing
Inventor: MACHINO TOSHIAKI
IPC: F16C39/06
Filed: 1980-02-07
Abstract: PURPOSE: To provide stabilization of magnetic bearing by constituting it in such a manner that repulsions may be produced in a magnet on a rotation shaft and a bearing magnet opposed to each other to shift them to original positions.  
     CONSTITUTION: In axial magnetic flux density distribution graphs of opposed poles of cylindrical permanent magnet 12 secured on a rotation shaft 11 and a cylindrical permanent magnet 13 on the side of a bearing, their abscissas represent axial distance l between the magnets, and their ordinates represent a magnetic flux density G. By providing a combination of permanent magnet 12 and 13 having distributions of magnetic flux density of M-shape and symmetrically convex shape as given by the above described graphs, the magnet 12 is stabilized at the center of the magnet 13. When a load is applied in the axial direction and the rotation shaft, accordingly the magnet 12 is shifted to its axial direction, a high density section of magnetic flux in the M-shaped graph accesses to a higher section of magnetic flux in the symmetrical convex graph so that a repulsion force grows great to forcedly push back the center of the magnet 12 to the center of the magnet 13. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H07225971-A (JP)
Title: Optical disk
Inventor: ONO MASUMI
IPC: G11B7/2407
Filed: 1994-02-07
Abstract: PURPOSE:To improve repetitive durability and C/N (S/N) ratio by suppressing flow of a liquid phase by scanning spot of reading out light. CONSTITUTION:This optical disk is constituted by forming a phase transition material layer which can be crystallized after melting on a transparent substrate 2 formed with recording pits l which are optically readable out according to information signals. This phase transition material layer is partially changed to a liquid phase within the scanning spots of reading out light and the reflectivity thereof changes when the optical disk is irradiated with the reading out light. The flow of the liquid phase is suppressed by confining the angle alpha <=40 deg. which is formed by the peripheral wall surfaces 1a of the recording pit 1 of the optical disk and the normal of the transparent substrate 2.
Patent JP-S62172144-A (JP)
Title: Humidifier equipped with humidity sensor
Inventor: TAKAHASHI MINORU
IPC: F24F6/12
Filed: 1986-01-27
Abstract: PURPOSE:To obtain a humidifier, a controlling an oscillator driving circuit linearly and capable of controlling humidity finely by a method wherein the oscillating electric power of a piezo oscillator is changed in accordance with the change of the impedance of the humidity sensor. CONSTITUTION:A humidity sensor 8 is provided with a characteristic that the impedance thereof is reduced when humidity is increased. The A.C. voltage of both ends of the humidity sensor 8 is changed into a D.C. voltage by a rectifier 1 and is amplified by a D.C. amplifier 2 whereby a humidity detecting voltage Vo is obtained. The humidity detecting voltage Vo changes linearly with respect to humidity. The output of a constant electric current circuit 4 is applied on a light emission diode (LED)10. When a difference between a set humidity and a present humidity is large, the brightness of the LED10 is high, a voltage between the collector and the emitter of a photo transistor 11 is reduced, the oscillating electric power of a piezo oscillation TD is large and the atomizing amount of liquid is also increased. When the present humidity is made close to the set humidity, the brightness of the LED10 is reduced, the voltage between the collector and the emitter of the photo transistor 11 is increased and the oscillating electric power of the piezo oscillator TD is reduced whereby the amount of atomizing is reduced.
Patent JP-2000215930-A (JP)
Title: Electric junction box and assembling method of board connector
Inventor: HONMA HISAO
IPC: H01R13/46
Filed: 1999-01-22
Abstract: PROBLEM TO BE SOLVED: To provide an electric junction box and an assembling method of a board connector both of which facilitate the assembling work of the board connector to a wiring board. SOLUTION: An electric junction box for which a wiring board 14 is mounted, an alignment correction board 11 is interposed between the wiring board 14 and a board connector 17 assembled to the wiring board 14, and the alignment correction board 11 has a positioning shape part 13 on the side facing to the wiring board 14, is composed by a method wherein the alignment correction board 11 is positioned on the wiring board 14, and then, the board connector 17 is assembled to the wiring board 14 through the alignment correction board 11.
Patent JP-S59139039-A (JP)
Title: Photosensitive body for electrophotography
Inventor: SETO MITSURU
IPC: G03G5/14
Filed: 1983-01-31
Abstract: PURPOSE:To obtain a photosensitive body for electrophotography having stable electric characteristics, improved sensitizing effect, and crystallization retarding effect of the photoconductive layer by providing a layer contg. fine particles of specified disazo pigment dispersed in an insulative resin between a conductive supporting body and an Se photoconductive layer. CONSTITUTION:An intermediate layer contg. fine particles of pigment expressed by the general formula I : [wherein A is a group expressed by the formula II or III; X is an aromatic ring such as benzene ring, heterocyclic ring such as indole ring, etc. or substituted body thereof; Ar<1> is an aromatic ring such as benzene ring, heterocyclic ring such as dibenzofuran ring, or substituted body thereof; Ar<2> is an aromatic ring such as benzene ring or substituted body thereof; R<1> is H, lower alkyl, (substituted) phenyl; R<2> is lower alkyl, COOH or an ester thereof] dispersed in a butyral resin, etc. is provided between a conductive supporting body and an Se photoconductive layer. In this way, a superior photosensitive body for electrophotography is obtd.
Patent JP-S56112861-A (JP)
Title: Inserting device of coil
Inventor: HAMANE TOKUHITO
IPC: H02K15/06
Filed: 1980-02-06
Abstract: PURPOSE:To reduce coil insertion resistance and prevent generation of flaws of a coil, elongation thereof and the like by a method wherein a jig wrapping the coil while it is inserted and a coil-lifting device are provided on the outer periphery of a coil-inserting jig. CONSTITUTION:The rod of an oil-hydraulic cylinder 71 is connected with a rack 65, while a gear 66 is engaged with the rack 65 and connected, by the shaft 72 of the gear, with the coil-wrapping jig 57 wrapping the coil while it is inserted. And, the rack 65 is supported by a supporter, and a base plate 61 and a plate 59 are connected with each other at a prescribed distance by a screw shaft 60, while a shaft 62 is guided by a slide bearing 63 fitted inside the base plate 61. Moreover, the shaft 72 of the gear 66 is supported by a bearing housing and the coil-lifting device is constituted by the cylinder 71, the rack 65, the gear 66, the bearing housing and the wrapping jig 57. By this constitution, the power applied to a coil- pushing body can be reduced sharply and thus the generation of coil flaws, marks of striking, elongation, etc. can be prevented.
Patent JP-H11210106-A (JP)
Title: Heat-insulating external wall structure in storage chamber
Inventor: ICHIYA NORIMITSU
IPC: E04B1/76
Filed: 1998-01-27
Abstract: PROBLEM TO BE SOLVED: To enhance the heat insulating performance of a storage chamber by interposing a heat insulator into the gap between the heat-insulating panels constituting the external walls of the storage chamber. SOLUTION: A heat-insulating panel 14 of the external wall panel 3 and the roof panel 4 of a storage chamber 1 is constituted by putting a heat insulator 11 consisting of polystyrene foam or the like between an interior panel 12 and an exterior member 13 consisting aluminum panels. The heat-insulating panel 14 is formed with an adhesive by joining the interior panel 12 and the exterior member 13 on both surfaces of the heat insulator 11 formed in a prescribed size by means of a mold, so that no partial void part is formed between the interior panel 12 and the exterior member 13, and the heat insulator 11 is closely filled between the interior panel 12 and the exterior member 13.
Patent JP-H02197225-A (JP)
Title: Instantaneous voltage drop detection circuit
Inventor: OSHIMA MASAJI
IPC: G01R19/165
Filed: 1989-01-23
Abstract: PURPOSE:To allow instantaneous voltage drop to be detected at all times in a specified period by reversing the output signal of a comparison circuit to a set level and by beginning the counting of the clock signal through a counter circuit, when the detecting rectification voltage gets lower than the shaft rectification voltage when the supply voltage drops. CONSTITUTION:The following circuits are provided: a level shift circuit 22 outputting the shift rectification voltage resulting from reduction of the detecting rectification voltage at an AC power source 1 in normalcy to the specified level, a comparison circuit 23 in which the output signal reverses from a reset level to a set level when the detecting rectification voltage is lower than the shift rectification voltage, and a counter circuit 24 which is set at the start of counting the clock signal by the reversal to the set level, reset to the stop of counting the clock signal by the reversal to the reset level and outputs a detection signal for starting an inverter device 6 when the counted value gets to the detection reference value by holding the output signal to the set level in a predetermined detection period.
Patent JP-S62174554-A (JP)
Title: Rocket engine
Inventor: SATO JUNICHI
IPC: F02K9/62
Filed: 1986-01-25
Abstract: PURPOSE:To prevent the occurrence of an engine fire and to improve safety, by a method wherein a covering layer of either of precious metals consisting of a gold, a silver, a platinum group is formed to the wall surface of a passage for a coolant for reproduction-cooling a rocket engine. CONSTITUTION:A combustion chamber 1 and a nozzle 2 of a rocket engine have their respective outer shapes formed by arranging pipes 3 in a circular shape and welding together the adjoining pipes, and a coolant for reproduction cooling is caused to flow as shown by an arrow mark. A covering layer of either of precious metals consisting of a gold, a silver, a platinum group, which are difficult to react on oxygen, is formed to the wall surface of a coolant passage. This structure enables preventing occurrence of an engine fire and also improvement of safety in terms of strength.
Patent JP-H07224873-A (JP)
Title: Spring
Inventor: IIDA YUJIRO
IPC: F16F1/32
Filed: 1994-02-08
Abstract: PURPOSE:To provide a spring through which a specified load is exerted on a rotary body and the rotary body is smoothly rotated. CONSTITUTION:An annular spring 51 is provided with a plurality of internally expanding first protrusion part 51a; and externally expanding second and third protrusion parts 51b and 51c. The third protrusion parts 51c are disposed one at each of three portions between the adjoining second protrusion parts 51b. This constitution exerts a specified load on the rotary body in a radial direction centering around a rotary shaft regardless of the height of the rotary shaft.
Patent JP-H08206747-A (JP)
Title: Punching machine
Inventor: TERAJIMA TAKESHI
IPC: B21D28/32
Filed: 1995-01-31
Abstract: PURPOSE: To provide a punching machine capable of preventing strip misses in punching a shape steel. CONSTITUTION: Punching is performed in cooperation with a die 43 with a press cylinder 5 depressing a punch 31, in which case a strip cylinder 9 provided inside the piston 7 of the press cylinder 5 holds a work W by means of a strip arm (work holder) 59. After punching, the press cylinder 5 raises the punch 31, and the strip cylinder 9 raises the strip arm 59, releasing the work W. The strip cylinder 9, before the punching by the punch 31, lowers the strip arm 59 so as to hold the work W, and keeps holding it after punching until the punch 31 is detached from the work W. A punch holder 25 for mounting the punch 31 is connected to the piston 7 of the press cylinder 5. The strip arm 59 is moved vertically near the proximity of the punch holder 25.