baber/WOPTO huggingface dataset:
Patent JP-H09139287-A (JP)
Title: El element driving circuit
Inventor: YAMAZAKI HIROSHI
IPC: H05B44/00
Filed: 1995-11-15
Abstract: PROBLEM TO BE SOLVED: To make a counter measure for the insulation of an EL element easy. SOLUTION: Transparent electrodes 1b of EL elements 1A-1C are connected to output terminals on earth side of an inverter circuit 2 through a cramp circuit 7, and black plates 1g-1i of the EL elements 1A-1C are connected to output terminals on non-earth side of the inverter circuit 2 through corresponding triode AC switch 5 and a differentiating circuit 6. The potential of the transparent electrode 1b can be set positive in DC to the potential of the back plates 1g-1i, the AC component of the transparent electrode 1b is earthed, the voltage on the back plate side is varied to the earth voltage to emit the EL elements 1A-1C. Since the front transparent electrode 1b is earthed, a countermeasure for the insulation is made easy.
Patent JP-H04170873-A (JP)
Title: Image pickup device
Inventor: OKINO TADASHI
IPC: H04N5/30
Filed: 1990-11-05
Abstract: PURPOSE:To reduce power consumption by executing focusing through the use of the frequency analysis function of a digitized picture in information compressor. CONSTITUTION:Focusing is executed by using the frequency analysis function of the digitized picture information compressor 6 by a converter 5. A piezoelectric element driving circuit 12 impresses voltage V1 on a piezoelectric element 4 by an instruction from a controller 13 and a coefficient extraction circuit 7 extracts a Fourier coefficient obtained at the time of compression by the picture compressor 6. The controller 13 transmits a driving signal to a focus driver 2 and drives a lens for prescribed quantity by judgement that an image- forming point is in a position including much high frequency components. Thus, the circuit scale of an image pickup device can be reduced and power consumption can be reduced.
Patent JP-H06146271-A (JP)
Title: High strength multiple anticorrosive coated steel pipe pile
Inventor: SASAKI TOSHIYUKI
IPC: E02D5/28
Filed: 1992-11-06
Abstract: PURPOSE:To prevent damage due to shock, wear, or the like, by using resin treated with embossing on the surface for an anticorrosive coating layer, and further compositely coating reinforced plastics on the surface. CONSTITUTION:The surface to be coated of a steel is rust-removed, and a surface treated layer 2 and an anticorrosive coating layer 4 of polyolefin resin of film thickness over 2mm are formed. A protective coating layer 5 of reinforcing vinyl ester or poly ester resin is spread on a glass cloth of film thickness over 1.5mm so as to obtain a high strength multiple anticorrosive coated steel pipe pile. Further, on the surface treated layer 2, a polyolefin series adhesive layer 3 and an anticorrosive coating layer 4 of polyolefin resin of film thickness over 2mm are formed in order. While the anticorrosive coating layer 4 is not yet hardened, embossing of depth over 0.1mm is treated on the surface of the anticorrosive coating layer 4, and rugged parts are formed so as to impart cohesiveness. Thereafter, it is reinforced with a glass cloth of film thickness over 1.5mm, spread with a protective coating layer 5 of vinyl ester or polyester resin, and hence a high strength multiple anticorrosive coated steel pipe pile is obtained.
Patent JP-S63151689-A (JP)
Inventor: MIZUNO SEIJI
IPC: C04B35/64
Filed: 1986-12-12
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H02143978-A (JP)
Title: Magnetic disk device
Inventor: MASUDA YUKINOBU
IPC: G11B33/14
Filed: 1988-11-25
Abstract: PURPOSE:To prevent a thermal off-track from being generated due to heat generated by a spindle motor by interposing a heat insulating material between a stator of the spindle motor and the lower base plate. CONSTITUTION:A spindle motor 20 is always heated since it is always rotated at a high speed, but in this case, since a heat insulating material 1 is interposed between a stator 25 of the spindle motor 20 and the lower base plate 24a, heat of the spindle motor 20 is not transmitted to the lower base plate 24a, and a deformation such as a camber, a torsion, etc., of the base plates 24a, 24b generated due to a difference of thermal expansion quantums caused by a temperature difference of the upper and the lower base plates 24a, 24b is prevented. Accordingly, an inclination of a shaft 26 generated due to the deformation of the base plates 24a, 24b is also prevented, and it can also be prevented to cause a thermal off-track.
Patent JP-H05240365-A (JP)
Title: Fluid pulse generating apparatus
Inventor: MAIKERU DEII SUTAINHARUTO
IPC: F16K31/04
Filed: 1992-11-06
Abstract: PURPOSE: To obtain pulsed or continuous flow at the outlet of a fluid pulse generating apparatus suitably used for a shower head by disposing within the housing a rotary valve which generates a specified fluid flow. CONSTITUTION: The fluid pulse generating apparatus 10 has a housing 14 having a hollow cylinder 15 having an open end 16 bolted to a lid 18 to form a chamber 22, and an electric motor 12 is mounted on the lid 18 via a bracket 19. A drive shaft 38 is fixed to a motor shaft 36, and a hexagonal protrusion 52 of the rotary valve 48 is fitted to a hexagonal bore 44 provided at the end of the drive shaft 38. Rotation of the rotary valve 48 under water supply from the first inlet opening to the circular chamber 22 in the housing 14 produces pulsed water flow. Water supplied to the second inlet 25 moves the rotary valve 48 upward, and produces a continuous flow.
Patent JP-H08163057-A (JP)
Title: Signal transmitter-receiver
Inventor: KOMIYA KOZO
IPC: H04B14/06
Filed: 1994-11-30
Abstract: PURPOSE: To prevent deterioration in sound quality by devising the transmitter- receiver such that no excess transmission energy is required for a transmission section and a reception section mutes only a signal in which a click noise generated due to the effect of a noise in a transmission line. CONSTITUTION: A PCM audio signal is limited at a prescribed level by a waveform limiter 12, compressed by an ADPCM coder 13 to be an information bit string. The information bit string is modulated by a digital modulator 14 and the modulated signal is sent to a transmission line 30. The information bit string fed to a reception section 20 is demodulated by a digital demodulator 21 to be a reception bit string. An ADPCM decoder 22 expands the reception bit string to provide an output of a PCM audio signal. A click noise detector 24 provides an amplitude suppression signal being a waveform control signal to a signal suppressor 25 when a waveform at the outside of a 2nd band.  Thus, when the amplitude suppression signal is received, the signal suppressor 25 suppresses the amplitude of the audio output signal to reduce the click noise generated due to a bit error in the received bit string.
Patent JP-H08161713-A (JP)
Title: Cleaning liquid for magnetic head and magnetic head using the same
Inventor: KONDO HIROFUMI
IPC: C11D7/28
Filed: 1994-11-30
Abstract: PURPOSE: To obtain a cleaning liquid which enables the maintaining of excellent cleaning effect for a long period of time by producing the liquid in which an ester compound of a perfluoropolyether having a hydroxide at a terminal and a long-chain carboxylic acid is dissolved in a solvent. CONSTITUTION: In a magnetic head, a pair of magnetic core halves 1 and 2 is made up of a ferromagnetic oxide such as a single crystal ferrite. A magnetic metal thin film 3 with a high saturation magnetic flux density Bs such as FeAlSi based alloy is applied and formed on a ferromagnetic metal thin film forming surface produced by cutting off the junction surfaces of the magnetic core half bodies 1 and 2 aslant continuously from a front gap formed surface to a back gap formed surface. Grooves where the thin film 3 is formed are filled with a non-magnetic material 5 separately and winding grooves 6 and 7 are formed on the butted surfaces of the core half bodies 1 and 2 to regulate the depth of a magnetic gap (g) while winding a coil 8. A cleaning liquid is applied 0.5-5nm thick on a sliding surface with a magnetic recording medium.  The cleaning liquid herein used is an ester compound, formed from a compound having hydroxide at both terminals of multifunctional perfluoropolyether and a long-chain carboxylic acid, dissolved in ethanol.
Patent JP-H07124960-A (JP)
Title: Fluidizing tank type cooling device
Inventor: WAKAO MITSUMI
IPC: B29C35/16
Filed: 1993-11-02
Abstract: PURPOSE:To clean swiftly and simply the inside of a fluidizing tank and the inside of a cool air blow-off duct by separating the tank from the cool air blow-off duct. CONSTITUTION:A material supply chute 13 is joined to a rear end wall 42 of a box-shaped fluidizing tank 2, material discharge port 32 is provided on a front end of the bottom and a screw extending to the material discharge port 32 from the rear end wall 42 is arranged within the fluidizing tank 2. Cool air blowe-off duct 9 supplying cold air into the tank 2 by passing through a porous plate 38 dividing the bottom of the fluidizing tank 2 is fixed to a rest 8 arranged on the lower part of the tank 2. The tank 2 is supported elevatably to the cool air blow-off duct 9 by actuators 4, 4A.
Patent JP-S62156843-A (JP)
Title: Fixing of photo semiconductor element
Inventor: OTSUKA NAOTAKA
IPC: H01L31/024
Filed: 1985-12-28
Abstract: PURPOSE:To contrive the improvement of workability by a method wherein a brazing metal is coated on the surface to be fixed of a semiconductor wafer constituted integrally with a plurality of semiconductor elements in a design that the semiconductor elements can be parted and thereafter, the semiconductor elements are parted from the semiconductor wafer and the parted semiconductor elements are each soldered on a heat-radiating member. CONSTITUTION:A heat-radiating member 2 consisting of copper, Al or so on is fixed on a substrate 1 and a photo semiconductor element 4 is soldered on the heat-radiating member 2 with a brazing metal 3 for bonding. A photo semiconductor wafer 5 is constituted being integrally formed with a plurality of the semiconductor elements 4 in a design that the semiconductor elements 4 can be parted and the brazing metal 3 for bonding consists of such a low- melting point metal as In (indium) or Sn (tin) is mounted on the surface 5a to be fixed of the semiconductor wafer by evaporation, plating or the likes. The semiconductor wafer 5 constituted in such a way is parted in each photo semiconductor element 4 and the parted photo semiconductor elements 4 are each soldered on the surface 2a to be fixed of the heat-radiating member 2 with the brazing metal 3.
Patent JP-H07129516-A (JP)
Title: Electronic telephone directory
Inventor: KAWADA SHIGERU
IPC: G06F3/0485
Filed: 1993-11-02
Abstract: PURPOSE:To provide an electronic telephone directory where the key operation for a retrieval is easy and the telephone number of the retrieval result is easy to be seen. CONSTITUTION:When characters to be basic are arrayed in a matrix shape, the characters corresponding to the one line of a matrix are displayed on a display area 83. When cursor keys 6L and 6R are operated, a cursor is moved one character by one character in a line direction in a display area 83. When cursor keys 6U and 6D are operated, the display of the character in the display area 83 is made to scroll in the column direction at least for a column where the cursor is displayed. When a definite key 6K is operated, the character at the location where the cursor is displayed is fetched in the display area 83. By defining this fetched character as a keyword, the character string of a memory is retrieved. By continuously using the display area 83 and a display area 84 in the up and down directions, the telephone number of the retrieval result is magnified and displayed.
Patent JP-H10121989-A (JP)
Title: Hydraulic control valve
Inventor: ENOMOTO SHIGEIKU
IPC: F02D1/18
Filed: 1996-10-17
Abstract: PROBLEM TO BE SOLVED: To provide a control valve having a high valve opening responsiveness. SOLUTION: A high pressure side passage 312 is formed in a valve body 307 so as to be opened at the inner peripheral surface 310a of a valve cylinder 310, and a low pressure side passage 311 is formed being opposed to the front end of a valve needle 313. The shaft part 313a of the valve needle 313 is formed with a part 316 having a sectional shape same as that of the inner peripheral surface 310a of the valve cylinder 310 and made in slide contact therewith so as to inhibit high pressure fuel from flowing into a spring chamber 306. In the valve needle 313 a through-hole 315 is formed which is always communicated with the low pressure side passage 311 and the spring chamber 306, and accordingly, both pressures are set to be equal to each other, and the valve needle 313 is operated only by the urging force of a spring 305 and an exciting force of a solenoid coil 319.
Patent JP-S63152092-A (JP)
Title: Semiconductor memory device
Inventor: OGAWA JUNJI
IPC: G11C11/34
Filed: 1986-12-16
Abstract: PURPOSE:To realize reduction and expansion of a pit aggregate, by nullifying a part of cell at the time of rearranging the cell by an arranging means. CONSTITUTION:A memory cell is divided into memory cell blocks of (n rows Xm columns) and a row selecting means RD at the memory cell block and a column selecting means CD at the memory cell block are provided commonly respectively. Also, a first switching means RSW supplies a row address AR or a row address AR+1 adjacent to the low address on each row selecting means, and a second switching means CSW supplies a column address AC or the column address AC+1 adjacent to the column address on each column selecting means. And the arranging means rearranges the (n X m)-number of cells of each memory cell block accessed by each row and column selection means. Therefore, it is possible to perform the access of a desired rectangular shape pit aggregate. In such a way, it is possible to easily perform the reduction and the expansion of the shape of the pit aggregate being accessed.
Patent JP-S63150295-A (JP)
Title: Separation of alpha-l-aspartyl-l-phenylalanine methyl ester
Inventor: MITA RYUICHI
IPC: C07K1/14
Filed: 1986-12-16
Abstract: PURPOSE:To obtain the titled compound for diet sweetener or the like in good efficiency, by bringing alpha-L-aspartyl-L-phenylalanine methyl ester containing an impurity beta-isomer into contact with a mineral acid in a specific aqueous media and depositing a salt of the alpha-isomer. CONSTITUTION:alpha-L-aspartyl-L-phenylalanine methyl ester containing at least beta-L-aspartyl-L-phenylalanine methyl ester as an impurity is brought into contact with an equivalent mineral acid (e.g. hydrochloric acid, etc.) in an aqueous medium containing a metal halide (e.g. sodium chloride, etc.) to deposit alpha-L- aspartyl-L-phenylalanine methyl ester as a solid hydrohalo acid salt thereof and then the resultant deposited crystal id separated by a filtration or the like to purity and separate the aimed compound.
Patent JP-H1194693-A (JP)
Title: Hydraulic testing device
Inventor: MATSUBARA TOSHIHIRO
IPC: G09B23/12
Filed: 1997-09-24
Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic testing device which is small and easy to install. SOLUTION: A water tank 16 and a pump 17 are mounted on a frame 11, a slanted water channel device 28 is provided thereon, and further a dam water channel device 22 is provided thereon. In the dam water channel device 22, water flows toward an end and down to the end of the slanted water channel device 28 extending almost the overall length of the frame 11. In the slanted water channel device 28, water flows in the opposite direction to the dam water channel device 22 and down into the water tank 16 at an end. In addition, a line device 36 receiving water from the pump 17 and forcing the water to flow out into the water tank 16 is provided.
Patent JP-2000107867-A (JP)
Title: Resistance welding equipment and welding method
Inventor: HAYAKAWA NOBUYUKI
IPC: B23K11/14
Filed: 1998-10-05
Abstract: PROBLEM TO BE SOLVED: To improve the precision of an object to be welded without making it a die set structure by supporting a second object to be welded with a support mechanism, floating the support mechanism from a base with a spring, supporting a first object to be welded with a welding electrode, driving the support mechanism in the XY direction to align the cores of the first/second objects to be welded and conducting resistance welding. SOLUTION: A first object 3 to be welded is inserted into a longitudinal cavity of a first welding electrode 1 and is held. The first object 3 to be welded is preferably positioned by a first positioning member extending from an opening hole of the welding electrode 1 to the longitudinal cavity and a second positioning member forwarding and backwarding. A second object 4 to be welded is placed on a support table 5 and is held by collect chuck mechanism 6. By aligning the cores of the first/second objects 2, 3 and descending the first welding electrode 1, the first/second objects are resistance-welded. When the temp. of a weld zone is lowered to the transformation temp., tempering is conducted by causing a single pulse current to flow and thereafter, the pressing force of the first welding electrode 1 is released.
Patent JP-H0727473-A (JP)
Title: Vacuum drying method
Inventor: OKASHIRO AKIRA
IPC: F26B5/04
Filed: 1992-10-09
Abstract: PURPOSE:To improve the moisture removing precision by a method wherein a drying chamber is made of a radiant heat permeable material, and an item to be dried is heated by a radiant heat generator heater installed outside the drying chamber after the drying chamber is evacuated. CONSTITUTION:When an item 2 to be dried is placed in a drying chamber 3 and the pressure inside the drying chamber 3 is gradually reduced to a vacuum by a vacuum device 6, moisture attached on the surface of the item 2 immediately evaporates and is discharged outside the drying chamber 2 along with air to be discharged. Therefore, the item 2 is heated by a radiant heat generator heater 4 because the temperature of the item 2 may drop 20-30 deg.C below normal temperatures if it remains unheated. A work to carry the item 2 in and out from the drying chamber 3 and others are preferably made of a radiant heat permeable material. Then, the inside of the drying chamber 3 is returned to normal pressures while the item 2 is kept at around normal temperatures. Thereby, the moisture removing precision is improved because uneven drying parts and stains are not produced on the surface of the item 2.
Patent JP-H06120170-A (JP)
Title: Plasma etching treating method
Inventor: TANAKA MASAHIKO
IPC: H05H1/46
Filed: 1992-10-08
Abstract: PURPOSE:To provide a plasma etching treating method in which good selectivity and required anisotropy is obtained even if a low-deposition etching gas is used. CONSTITUTION:A Cl2 gas is respectively supplied into a plasma generating chamber 1 set to a required degree of vacuum and a sample chamber 3, and a magnetic field is formed by a primary exciting coil 14, and further a microwave is introduced into the plasma generating chamber 1 and a plasma is generated from the Cl2 gas. Then, the plasma is guided to the surface of a sample S at a distance of 250mm or more from an ECR point P by a divergence magnetic field generated through the primary exciting coil 14, and a magnetic flux density of the surface of the sample S is regulated to 50 gausses or less by a secondary exciting coil 15 carrying a current opposite to the primary exciting coil 14 and an etching is performed.
Patent JP-H06122761-A (JP)
Title: Production of thermosetting resin molding
Inventor: WASHIMI AKIRA
IPC: C08G65/00
Filed: 1992-10-09
Abstract: PURPOSE:To produce a thermosetting resin molding improved in mechanical properties and heat resistance without producing by-product water during curing by preforming a specified dialkenylbisphenol and a polyimide compound and curing the obtained preform by heating. CONSTITUTION:A dialkenylbisphenol of formula I (wherein R is H or methyl) and a polyimide compound having at least two imide groups of formula II (wherein D is a bivalent group having a C-C double bond) optionally together with a free-radical initiator, an alkyl phenyl ether compound, an epoxy resin, an epoxy curing agent, a filler, etc., are molten by heating to 60-160 deg.C for 2hr or longer, poured into a mold, and preformed. The obtained preform is cured by heating to 220-300 deg.C for 2hr or longer.
Patent JP-H01138774-A (JP)
Title: Semiconductor laser device
Inventor: MOTODA TAKASHI
IPC: H01S5/026
Filed: 1987-11-25
Abstract: PURPOSE:To decrease the manufacturing cost and to increase accuracy by a method wherein a plurality of semiconductor laser devices of different optical waveguide lengths is packaged in one and the same chip provided with opposing resonator end faces and the optical waveguides are so linked near the resonator end faces as to give rise to interference between waves in lateral mode. CONSTITUTION:A semiconductor laser device of this design is constituted of an element 11 built of stripes to be optical waveguides for lateral mode control, an element 12 built of strips to be optical waveguides different in length from those of the element 11, and stripes 13a and 13b to connect the elements 11 and 12 in the neighborhood of end faces 14a and 14b for the creation of lateral mode interference. With a wave allowing the elements 11 and 12 to agree with each other in longitudinal mode being capable oscillation, a longitudinal mode distance DELTAlambda0 is quite long, enabling the selection of a mode nearest to a wavelength capable of a maximum gain on the threshold current involved.
Patent JP-H05110356-A (JP)
Title: High frequency circuit having antenna
Inventor: TAGAWA HIDEKI
IPC: H03F3/60
Filed: 1991-10-18
Abstract: PURPOSE:To improve the surge immunity by connecting a stub between a ground and a high frequency signal transmission line between an antenna circuit and a coupling capacitor and specifying the length of the stub. CONSTITUTION:A reception side circuit consists of a reception high frequency circuit 3 connecting to an antenna circuit section comprising an antenna 1 and a duplexer 2, a low frequency amplifier 5, a speaker 6 and a stub 7 comprising a strip line. Then the length L of the stub 7 connected between a ground and a main transmission line 8 located between the antenna circuit section and a coupling capacitor 9 of the reception high frequency circuit 3 is selected so that the relation of L=(1/4)lambda=(1/4)X(C/f) is almost satisfied, where f is a frequency of a high frequency signal, that is, a frequency of a carrier signal, lambdais a wavelength of the high frequency signal and C is the velocity of light. Since a surge flows to ground through the stub 7, the high frequency amplifier is protected from the surge and the loss in the high frequency signal is suppressed to improve the surge immunity.
Patent JP-H08155453-A (JP)
Title: Method and apparatus for making acidic water
Inventor: OOBUKA KUMIO
IPC: C02F1/461
Filed: 1994-12-01
Abstract: PURPOSE: To always take out acidic water of predetermined quality even when the polarities of electrodes are changed over. CONSTITUTION: An electrolytic cell 1 is demarcated into first and second electrolytic chambers 3, 4 by a diaphragm 2 and electrodes 5, 6 are provided to the electrolytic chambers so as to be capable of changing over the polarities of the electrodes and the formed water outflow pipes 9, 10 of the respective electrolytic chambers are allowed to communicate with an acidic water discharge pipe 13 and an alkaline water discharge pipe 14 through changeover valves 11, 12. When the polarities of the electrodes are changed over, the changeover valves 11, 12 are changed over in good timing to always discharge acidic water of good quality to an acidic water discharge pipe 13.