baber/WOPTO huggingface dataset:
Patent JP-2000044574-A (JP)
Title: Triphenylborane complex and underwater antifouling agent
Inventor: YAMANO TADASHIGE
IPC: A01N55/08
Filed: 1998-07-28
Abstract: PROBLEM TO BE SOLVED: To obtain a polyoxyalkyleneamine.triphenylborane complex, exhibiting an excellent effect for preventing the adhesion of aquatic organisms, hardly liable to caused marine pollution and useful as an active ingredient for antifouling agents against underwater adhesive organisms. SOLUTION: A compound of the formula  [A] is a monohydric alcohol, an alkylamine or the like; (i) is 1 to n [(n) is 1 to 4]; (j) is 0, 1 to (n-1); (k) is 1 to n; R1 and R2 are each a 2-4C alkylene; (p), (q) are each 0, 1 to 100} and having a number-average mol.wt. of 400-20,000. The compound of the formula is obtained by dropwisely adding a polyoxyalkyleneamine as such or in the form of a solution in an organic solvent or water to the aqueous solution of triphenylborane.sodium hydroxide adduct at 0-70 deg.C under stirring, reacting the mixture for 0.5-30 hr, extracting the reaction product with an organic solvent (for example, methylisobutylketone) insoluble in water, washing the extract with water and subsequently concentrating the extract.
Patent JP-S6471282-A (JP)
Title: Receiver for moving picture band compression transmitter
Inventor: TAKANO HIROSHI
IPC: H04N19/80
Filed: 1987-09-11
Abstract: PURPOSE:To reproduce a reproduced picture whose movement is smooth even with a comparatively less frame number by arranging a data converter and a delay circuit to the post stage of a reception frame. CONSTITUTION:A memory circuit 10 is provided to the output side of a decoding processing section 9 and the output side of the memory circuit 10 is provided with a data converter 12 and a delay circuit 13. The output of the data converter 12 is retarded via the delay circuit 13, and the output of the memory circuit 10 and the output of the delay circuit 13 are synthesized by a predetermined ratio and the picture is restored from the synthesized output via a D/A conversion section 11.
Patent JP-H1158022-A (JP)
Title: Powder plasma welding equipment
Inventor: INUI MASAHIRO
IPC: H05H1/42
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To provide a welding equipment capable of largely saving testing costs and labor by efficiently operating the test of welding quality after powder plasma welding (the test of a bead defect due to the variation of powder feeding quantity at the time of welding). SOLUTION: In this powder plasma welding equipment, an electronic weighing scale 3 is provided in a powder feeder 1, the powder feeding quantity during welding is continuously outputted, whereby the occurrence of abnormality the powder feeding quantity and the position of welding at the time of occurrence of the abnormality are detected and confirmed at real time. After the welding is finished, the weld zone requiring the test is instantaneously specified to finish the test, the feeding quantity is also quickly corrected based on the detecting signal of the powder feeding quantity during welding, and the abnormality of welding quality is restrained to the minimum.
Patent JP-H0973232-A (JP)
Title: Developing device
Inventor: NAKAHARA TOMOTOSHI
IPC: G03G15/08
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a developing device which prevents, by means of a simple structure, developer from falling. SOLUTION: The developing device 14 has developing sleeves 17 and 18 arranged opposite a latent image carrier and provided with magnets in them, and side seals covering both ends of the developing sleeves 17 and 18, carries two-component developer on the peripheries of the developing sleeves 17 and 18 by means of their magnets, and renders an electrostatic latent image, formed on the latent-image carrier, visible. In the developing device 14, the widths W of the side seals parallel to the longitudinal direction of the developing sleeves 17 and 18 are set according to the magnetic forces of the corresponding magnets.
Patent JP-H1055137-A (JP)
Title: Display device
Inventor: KITAMURA YOSHIHIDE
IPC: H01J29/88
Filed: 1996-08-10
Abstract: PROBLEM TO BE SOLVED: To prevent a reflection and to make an image on a display more visible by forming a fine rugged surface on a screen of a display device of a computer, a television set, etc. SOLUTION: A transparent thin plate 1 to cut UV rays is composed of a faintly colored glass. resin or metal. A fine rugged pattern is formed on the surface of the transparent thin plate 1 and a transparent coating film 3 such as glass, resin or metal is formed on the rugged surface 2. The coating film 3 is formed to prevent decrease in the transparency due to the rugged pattern 2 and to prevent deposition of dust. UV rays emitted from the display device is cut by the transparent thin plate 1 and scattering of light is prevented by the rugged surface 2 of the transparent thin plate 1. Further, reflection of fluorescent lights in a room or the background scene of the room or out of the room on the screen can be prevented. The screen shows no flickering and it can be easily observed.
Patent JP-S59124513-A (JP)
Title: Piling device for plate work
Inventor: MAEYAMA KIMIO
IPC: B65H29/32
Filed: 1982-12-30
Abstract: PURPOSE:To make improvements in a handling speed of each plate work, by providing feed and exhaust chambers inclusive of a lot of pressure chambers being changed over and connected to each of positive and negative (suction) pressure sources, in case of a vacuum piler which vacuums and conveys a plate work in a way of attracting the backside of each multiholed belt running continuously. CONSTITUTION:A multiholed belt 22 is installed travelably in position upward a pair of lift tables 21 to be mounted with plate works 20. This multiholed belt 22 is formed up of installing a lot of small holes 23 and made up so as to enable it to travel in an A direction through rotation of a driving roller 24 by a motor 26 via a group of rollers 25, 27 and 28. At the backside of this multiholed belt 22, feed and exhaust chambers 29 are set up, and at the lower part, a lot of pressure chambers 30 are set in regular order. Also, on the top of a chamber 29, there are provided with both of a suction pressure chamber 33 interconnected to an exhaust blower 32 via an exhaust manifold 31 and a positive pressure chamber 36 interconnected to a feed blower 35 via a feed manifold 34 in an alternate manner. And, it is made up so as to install selector valves 37 interposingly between each pressure chamber 30 and each of suction pressure chambers 33 and positive pressure chambers 36.
Patent JP-2001053371-A (JP)
Title: Method and apparatus for generating vacuum ultraviolet light and apparatus for utilizing the same
Inventor: WADA TOMOYUKI
IPC: G02F1/35
Filed: 1999-08-11
Abstract: PROBLEM TO BE SOLVED: To stably generate vacuum ultraviolet light, having wavelength of 157 nm using a compact arrangement. SOLUTION: A laser beam 11, having wavelength of 1,046 nm generated from a solid-state laser 10 utilizing active ions of Nd or Yb is converted by nonlinear optical crystals 35-37 into a fifth higher harmonic laser beam 31, having a wavelength of 213 nm. The laser light 31 having converted wavelength of 213 nm is projected into hydrogen gas 40 to produce laser light 21 having wavelength of 157 nm by a fourth order anti-Stokes stimulated Raman scattering.
Patent JP-S61107270-A (JP)
Title: Electrophotographic copying machine
Inventor: SHIGETA ICHIRO
IPC: G03G15/043
Filed: 1984-10-30
Abstract: PURPOSE:To properly control an automatic image density adjusting function against various sizes of originals, by making the extent of the preexposure scanning or original image density scanning extent during the preexposure scanning equal to or a little smaller than the shorter side of the smallest original. CONSTITUTION:In the case of an original, whose density is between those of the 1st reference voltage V1 and 2nd reference voltage V2, the output of an RS-FF 29 becomes a low level and the output Q2 of another RS-FF 30 becomes a high level. When a voltage proportional to the quantity of reflecting lights is lower than the 2nd reference voltage V2, in other words, when the density of an original picture is higher than that of the voltage V2, the outputs Q1 and Q2 of the two RS-FFs 29 and 30 show low levels. When the exposure lamp voltage is changed at the circuit of the next stage by using signals, the exposure lamp voltage can be changed in accordance with the density of original pictures. The exposure lamp voltage is controlled in such a way that, when the original picture voltage is lower, the lamp voltage is lowered and, when higher, the lamp voltage is raised.
Patent JP-H0970842-A (JP)
Title: Pressure bag for internal pressure molding
Inventor: KUMAGAI TEIZO
IPC: A63B102/32
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To prevent the rupture generated under various conditions and to certainly pressurize a thermosetting resin sheet without generating rupture in a pressure bag obtained by the pressure molding of the thermosetting resin sheet by inserting and arranging the thermosetting resin sheet wound around an outer periphery in a mold. SOLUTION: In a pressure bag 1 for internal pressure molding, a stopper part 14 protruding so as to make a film thick is formed to the outer periphery of the part corresponding to the inside of the leading end part 5 of a thermosetting resin sheet 6 wound around the outer periphery and the film is formed so that the thickness thereof becomes large successively from the stopper part 14 to the bottomed part 7 of the leading end protruding part 10 protruding to the outside of the thermosetting resin sheet 6.
Patent JP-S59122312-A (JP)
Inventor: SHINOZAKI NOBUHIKO
IPC: H02H1/04
Filed: 1982-12-27
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-S59121956-A (JP)
Title: Heat-resisting adhesive sheet
Inventor: KOSHIMURA ATSUSHI
IPC: H01L23/556
Filed: 1982-12-28
Abstract: PURPOSE:To obtain an excellent alpha-ray shielding film by forming a heat-resisting adhesive layer on a heat-resisting organic film base material and forming a composite body, the total of thickness thereof reaches a specific value or more. CONSTITUTION:The heat-resisting adhesive layer is formed on the heat-resisting organic film base material, and the composite body, the total of thickness thereof reaches 30mum or more, is formed. Each material of a polyimide group, a fluorine group, a silicon group, a polysulfone group, a polyether sulfone group, a polyester group, a polyamide imide group, a polyamide group, etc. is used as the film base material and each material of a silicon group, a fluorine group, a polyamide group, an epoxy group, a polyimide group, a polyamide imide group, a phenol group, etc. as heat-resisting adhesives. alpha-Rays can be shielded only to a necessary section in the adhesive sheet of such constitution, and the sheet can be pasted even in any process.
Patent JP-S61105854-A (JP)
Title: Wafer chuck
Inventor: SATO TERUYA
IPC: B25J15/00
Filed: 1984-10-30
Abstract: PURPOSE:To make it feasible to pick up a wafer out of chuck by a method wherein lever members with ends movable along through holes from the recessed positions to the protruded positions beyond surface of base are provided. CONSTITUTION:Three through holes 5 are opened on the positions meeting a base member 4 with a plane 3 mounting a wafer 2 of chuck 1 at the central angle of 120 degrees to provide three lever members 7 pivoting upon fulcrums 6 as middle points on the backside. The lever members 7 with ends 8 abutting against the wafer 2l and the other ends 9 abutting against lever depressing parts are normally situated in the positions recessed from the upper surface 3 of base member 4 to be protruded beyond the upper surface 3 by the lever members 7 pivoting upon the fulcrums 6 as middle points with the ends 9 depressed. Resultantly the wafer 2 may be easily picked up out of the chuck 1. Besides, even temperature control and chuck insulation may be attained since the driving source of wafer life is externally provided and the upper surface 3 is formed into evenly flat sheet.
Patent JP-2000064838-A (JP)
Title: Pilot ignition gas engine
Inventor: GOTO SATORU
IPC: F02B19/12
Filed: 1998-08-12
Abstract: PROBLEM TO BE SOLVED: To smoothly start an engine without stopping an engine, to promote combustion in a load operation, to improve combustibility and to improve thermal efficiency. SOLUTION: By properly using an ignition plug 60 and a precombustion chamber 31 with pilot combustion injection valve 32 provided on a cylinder head 4, ignition within a main combustion chamber 1 is performed by an ignition plug 60 at the time of a staring, ignition by the pilot fuel injection valve 32 is performed when ignition within the main combustion chamber 1 exceeds a prescribed number of times to smoothly start a gas engine and to stabilize a continuous operation.
Patent JP-S60121506-A (JP)
Title: Magnetic head
Inventor: NAKAGAWA SHIROU
IPC: G11B5/127
Filed: 1983-12-05
Abstract: PURPOSE:To obtain a magnetic recording/reproducing head unified with a wide- track record/narrow-track reproducing head having substantially a single gap, by providing an MR (magneto-resistance effect) element serving as a reproducing head within the gap of an annular magnetic record head. CONSTITUTION:An MR element 11 is set within a record gap 15 of an annular core 10, and a gap material 14 is filled into a gap excepting a position where the element 11 is set as desired. In a record mode the recording is carried out to a magnetic recording medium by the gap 15 via a coil 12. In a reproduction mode the output of the element 11 is taken out to a lead-out line 13 in response to the thickness and width of the element 11. For a magnetic head having the 250mum record track width, the width of the element 11 can be set at about 100mum since the element 11 itself has high sensitivity. As a result, the constant reproduction output can be obtained within a position shift range up to + or -75mum.
Patent JP-S59118158-A (JP)
Inventor: HIRAOKA MICHIO
IPC: A61H33/12
Filed: 1982-12-25
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-H0954908-A (JP)
Title: Holder of magnetic head
Inventor: HONDA KOJI
IPC: G11B5/17
Filed: 1995-08-14
Abstract: PROBLEM TO BE SOLVED: To improve the grounding efficiency of ground wires by providing the above holder with ground wires press bonding parts for press bonding through the ground wires. SOLUTION: A shielding plate 17 of a head core 12 arrives at an open port 36 side by crossing the center of the space in the holder 10. This shielding plate 17 is electrically connected to lead wires 13 of connecting lines 40, 41. The ground wires 14, 14 of connecting lines 40, 41 are surely connected to the holder 10 to ground the holder in order to impart the shielding effect of the head core 12 thereto. The inside surface side of the holder 10 is provided with the ground wire press bonding parts 50, 50 for surely pressure bonding the ground wires 14, 14. The one press bonding part 50 is disposed on the inner side of the wall part 32 of the holder 10 and the other press bonding part 50 is disposed on the inner side of the wall part 34.  The press bonding parts 50, 50 are formed by bending sheet members to nearly a U shape in section and are securely fixed to the inner sides of the side walls 32, 34 of the holder 10.
Patent JP-H0545541-A (JP)
Title: Optical connector structure
Inventor: IWANO SHINICHI
IPC: G02B6/40
Filed: 1991-08-14
Abstract: PURPOSE:To provide the optical connector structure which absorbs axial variance between a female-side and a male-side optical connector at the time of unit mounting by the movement of an internal housing, enables a connection plug to excellently abut, and improves transmission performance. CONSTITUTION:This optical connector structure is equipped with an external housing 27, an internal housing 41 which is incorporated in the external housing 27 while having a specific movement quantity and has many connection plugs, and a rear housing 40 which is coupled with the external housing 27 through a stopper member 42; and guide grooves 29 are formed on the left and right sides of the external housing 27 from the rear part to the front part and guide parts 36 are formed on the right and left sides of the internal housing 41. The right and left guide parts 36 of the internal housing 41 are inserted into the guide grooves 29 of the external housing 27 to insert the internal housing 41 into the external housing 27, thus assembling the internal and external housing 41 and 27.
Patent JP-H0675511-A (JP)
Title: Rotary electrode for photosensitive drum for electrophotographic process
Inventor: NAKAO KENJI
IPC: G03G15/00
Filed: 1992-08-27
Abstract: PURPOSE:To respectively restrain the deterioration of printing quality and the occurrence of radio interference caused by noise radio by enlarging the contact area of a rotary electrode, thereby reducing secular change caused by abrasion. CONSTITUTION:This rotary electrode is used for a photosensitive drum 11 for an electrophotographic process, and an electrode main body is basically formed nearly like a disk by using a metallic material having spring property. A contact part is formed by separating the circumference of a nearly comma-shaped bead like contact fitting 2 having width in a radial direction nearly symmetrically by putting the hole of a rotary shaft in between in a state where one end is connected to a disk 1 and bending the leading edge thereof, while a projecting piece forming the contact part 6a coming in contact with the inner wall of the photosensitive drum 11 is integrally provided at the nearly symmetrical positions of the circumferential part of the disk-like electrode main body. Furthermore, in the case of using the rotary electrode, conductive grease 18 is applied between the contact part of the contact fitting and the fixed base part contact surface of the rotary shaft 14 in this rotary electrode for the photosensitive drum for the electrophotographic process.
Patent JP-H0393071-A (JP)
Title: Magnetic disk device
Inventor: SAKAMOTO HIRONORI
IPC: G11B20/10
Filed: 1989-09-04
Abstract: PURPOSE:To increase a storage capacity without increasing the number of magnetic heads by overlapping plural write data signals, transmitting signals to write signals and taking out the write data signals having the same component as the write data signal from read signals. CONSTITUTION:At the time of writing, frequency conversion circuits 1 and 2 convert write data signals (b) and (d) into frequencies different from those of write data signals (a) and (c), and transmit the signals to conversion signals (e) and (f). Signal synthesis circuits 3 and 4 overlap the signals (e) and (f) to the signals (a) and (c) and transmit signals to write signals (g) and (h). At the time of reading, signal separation circuits 5 and 6 take out the components of the signals (a) and (c) from read signals (i) and (j), transmit signals to read data signals (k) and (o), take out the components of the signals (e) and (f) and transmit signals to signals (l) and (m). Frequency adverse conversion circuits 7 and 8 convert the frequencies of the signals (l) and (m) into the same frequen cies as the signals (b) and (d) and transmit signals to read data signals (n) and (p). Consequently, the recording capacity can be improved without increasing the number of the magnetic heads.
Patent JP-S6382138-A (JP)
Title: Slave station leadership type data communication line system
Inventor: YASUTOMO YUICHI
Filed: 1986-09-26
Abstract: PURPOSE:To contrive the improvement of the line utilizing efficiency by providing a carrier detection means detecting whether or not a private main line is used by other slave station to each slave station. CONSTITUTION:A CPU 6 built in a slave station 2 is connected to a branch line 4 and a carrier detection circuit 7 is provided between a private main line 3 and the CPU 6 as a bypass circuit. The carrier detection circuit 7 is so interconnected that it detects a voltage between the line 3 and the CPU 6 when a communication trigger is applied to the slave station 2 and discriminates whether or not the private main line 3 is already in use depending on the voltage. That is, in appling communication trigger from the slave station 2 to a master station 1, the carrier detection circuit 7 detects whether the private main line 3 is used by other slave station or not. In case of the discrimination of not in use, the line is connected between the slave station 2 and the master station 1 and the communication enable state is attained. Thus, it is not required to introduce the polling/selecting system between the master station 1 and the slave stations 2, 2 and smooth communication is attained.
Patent JP-H0393046-A (JP)
Title: Laser diode driving circuit for optical storage device
Inventor: MINAMI AKIRA
IPC: G11B7/125
Filed: 1989-09-04
Abstract: PURPOSE:To attain driving which does not exceed the maximum rating of a laser diode by comparing the threshold current of the laser diode with the detection output of a photo diode and a set point and controlling the current value of a current source. CONSTITUTION:A second current switch part 9 is provided without providing a high frequency oscillator outside and a high frequency modulation current is caused to flow when write data is not generated. The threshold current is caused to flow from the current source 2b, the monitor detection output of the photo diode PD is compared with the set point and automatic power control is attained with setting the compared result as a base current. When write data is generated, a write addition current is added from a first current switch part 1. When write data is not generated, the high frequency modulation current is added from a second current switch part 9. Thus, a high frequency can be overlapped in a read level, noise can be reduced and driving is attained without exceeding the maximum rating value of the laser diode LD.
Patent JP-H04110625-A (JP)
Title: Pt-alloy strand for temperature measuring resistor
Inventor: HAMADA TOKIO
IPC: G01K7/18
Filed: 1990-08-30
Abstract: PURPOSE:To obtain a temperature measuring resistor characterized by high accuracy addition of a minute amount and a constant, stable ratio of R100/R0=1.3850+ or -0.2% by setting the ratio of 0.005 - 0.07% for PtOs. CONSTITUTION:Os of 0.005 - 0.07% is incorporated into Pt, and the electric resistance ratio of R100/R0=1.3850+ or -0.2% can be satisfied. The Os undergoes solid solution with the Pt uniformly and stably without oxidation and phase transformation. Furthermore, machinability is excellent, and volatalization and scattering do not occur. Therefore, accuracy in addition of a minute amount is high.
Patent JP-H04109440-A (JP)
Title: Optical pickup
Inventor: YOKOYAMA KATSUYA
IPC: G11B11/105
Filed: 1990-08-30
Abstract: PURPOSE:To lighten the weight of an optical pickup, and to realize high-speed access by using two optical fibers as a means to guide light from a laser light source to a disk and reflected light from the disk to a photodetector. CONSTITUTION:The optical pickup is constituted of a first and a second optical fibers F1, F2, the laser light source 11, a beam shaper 12, beam splitters 13 to 15, an information signal detector 16, a tracking signal detector 17, and a focusing signal detector 18. Then, two optical fibers F1, F2 are used as the means to guide the light from the laser source to an optical disk or a magneto- optical disk and the means to guide the reflected light from the optical disk to the photodetector. Thus, since the movable part of the optical pickup is constituted sufficiently light, the high-speed access below 30msec is realized.
Patent JP-H0571328-A (JP)
Title: Lubrication device of engine
Inventor: IMAI CHIZUKO
IPC: F01M1/06
Filed: 1991-09-09
Abstract: PURPOSE:To decrease a loss of power by oil in the bearing part of a rotary shaft. CONSTITUTION:There are provided a bearing part 5 which supports the rotary shaft 1 of an engine, an oil pump 10 which supplies oil via oil passages 9, 12, 13 to the bearing part 5, and gas blending means 17, 20 which blend gas into the oil passages 9, 13. When at least one of engine speed, load and oil temperature is low, the gas blending means 17, 20 are controlled so as to blend the gas.