baber/WOPTO huggingface dataset:
Patent JP-H0528879-A (JP)
Title: Optical rotary switch of contactless type
Inventor: ONO HIROSHI
IPC: H03K17/968
Filed: 1991-07-24
Abstract: PURPOSE:To provide a contactless optical rotary switch having excellent durability, which is free from unstability due to contact resistance, by transduce electric signals into optical signals, and thereupon generating switching. CONSTITUTION:A semiconductor light emitting element 1 connected with an electrode terminal 8 on the input side and the first lens 3 are mounted inside a base 10, and a rotary disc 9 is installed whose center of rotation lies in this of base 10. The light emitted from the light emitting element 1 is turned by the first lens 3 into a parallel beam 6, passed through the axial hollow part of the rotary disc 9, reflected 180 deg. by a prism 5 on the oversurface of the rotary disc 9, emitted from the second lens 4 at the periphery of the rotary disc 9, and is converged. The converged beam of light is led to one of a plurality of semiconductor photo-receiving elements 2, which are installed on the base 10 concentrically with the rotary disc 9 and connected with another electrode terminal 7 situated on the output side. With rotation of the rotary disc 9, the electric signal output from any of the receiving elements 2 can be obtained in response to the electric signal input to the light emitting element 1.
Patent JP-H05202366-A (JP)
Title: Method for catalytically cracking petroleum-based hydrocarbon
Inventor: IWAMATSU EIJI
IPC: B01J29/04
Filed: 1992-06-18
Abstract: PURPOSE:To produce a gasoline fraction and a light circulating oil in high yield by catalytically cracking a petroleum-based hydrocarbon in the presence of a composition containing a cation exchange stevensite as a catalyst and repeatedly using the catalyst without deteriorating the catalytic function. CONSTITUTION:A petroleum-based hydrocarbon is catalytically cracked. In the process, a composition comprising a cation exchange stevensite having a mononuclear cation of an element such as H, Cu, Mg, Ca, Sr, Ba, Zn, La, Ce, Al, Ga, Ti, Zr, Ge, Sn, V, Nb, Bi, Cr, Mo, Fe, Co and Ni and a polynuclear cation, etc., composed of one or more elements such as Cu, Mg, Ca, Sr, Ba, Zn, La, Ce, Al, Ga, Ti, Zr, Ge, Sn, V, Nb, Bi, Cr, Mo, Fe, Co and Ni in a cationic component is used as a catalyst. Thereby, a gasoline fraction and a light oil circulating oil are obtained in high yield by using the catalyst excellent in hot water resistance without deteriorating the activity due to steaming treatment.
Patent JP-S6427035-A (JP)
Title: Optical information recording and reproducing device
Inventor: OTA KAZUHIKO
IPC: G11B7/095
Filed: 1987-07-22
Abstract: PURPOSE:To prevent the disorder of tracking caused by a defect of a spot, and to contrive to improve the reliability by disregarding a read-out signal, when the time width of the read-out signal of two spots for tracking has exceeded a prescribed range. CONSTITUTION:As for a reproducing signal 1, its peak is detected by a peak detecting circuit 4 through an LPF 3, and a pulse corresponding to a peak of a clock spot is extracted from a clock extracting circuit 5, and goes into a PLL circuit 6. Peak holding circuits 7, 8 fetch the maximum value of a reproducing signal corresponding to the head and succeeding tracking spots, by timing signals (k), (l) of the circuit 6. On the other hand, a comparator 10 slices the reproducing signal by a prescribed reference level voltage 16, sample-holds only a pulse having pulse width between a reference pulse signal (f) and (g) from the circuit 6 by pulse width comparators 11, 12 and outputs it as a tracking error signal. In such a way, even if a defect exists, it does not occur that tracking falls into disorder, and the reliability is improved.
Patent JP-H0851585-A (JP)
Title: Image display device
Inventor: KAWABATA YOHEI
IPC: H04N3/12
Filed: 1994-08-04
Abstract: PURPOSE:To obtain a high luminance image by providing a video signal time axis expansion device and a horizontal synchronizing signal expansion device so as to attain emission of electron beam to a fluorescent body even for a vertical blanking period. CONSTITUTION:A horizontal synchronizing signal expansion circuit 210 provides an output of a horizontal synchronizing signal LH expanded with respect to a video signal subject to time base expansion. Furthermore, a video signal time base expansion circuit 240 reproduces the video signal for a vertical valid pattern period by applying time base expansion to the video signal for the entire vertical period including the vertical blanking period. All control signals corresponding to line cathode drive pulses K1, K2 K44 and vertical deflection signals DV, DV' or the like are expanded over the entire vertical period including the vertical blanking period. Thus, each picture element in a scanning line is displayed according to the video signal and the video signal for a valid pattern subject to time base expansion for all the vertical period including the vertical blanking period is displayed even during the vertical blanking period according to a timing signal of a corresponding expansion period, then the electron beam emission time is kept long in each picture element unit and the image with high luminance is obtained.
Patent JP-H0235281-A (JP)
Title: Motor-driven actuator
Inventor: SHONO YASUSUKE
IPC: F16K31/04
Filed: 1988-07-25
Abstract: PURPOSE:To prevent the position deflection of a gear by fitting a pair of gears in turnable ways onto a fixed shaft and forming one gear to be shiftable in the axial direction and forcing the gear to an opponent gear side by a spring. CONSTITUTION:A pair of gears 17 and 22 utilized for a motor-driven actuator 1 are fitted in turnable ways onto a fixed shaft 15. One gear 17 is constituted in shiftable ways in the axial direction and forced by a spring 23 in the direction separating from the other gear 22. The gear 17 is meshed with an opponent gear 19 by the forcing.
Patent JP-H0624042-A (JP)
Title: Optical writing device for electrophotographic printer
Inventor: HAMANO HIROSHI
IPC: B41J2/455
Filed: 1992-07-10
Abstract: PURPOSE:To prevent irregular density and deterioration of gradation regeneration caused by dispersion of light emitting intensity of an LED element and eliminate a correction circuit for reducing the dispersion. CONSTITUTION:A device comprises a light emitting element array formed by arranging a plurality of light emitting elements which emit light corresponding to a printing data 48, a photosensitive drum 19 arranged opposite to the light emitting element array, and a plurality of liquid crystal micro lenses 64 shaped in an array corresponding to each light emitting element arranged between the light emitting element array and the photosensitive drum 19. A correction memory 42 storing a correction data 43 is provided for correcting dispersion. A liquid crystal micro lens drive section 68 generates voltage corresponding to the correction data 43 at every light emitting element and applies it to the liquid crystal micro lenses 64. The lenses 64 change distribution of refractive index corresponding to the applied voltage and change focal distance. As intensity of a light image on the drum 19 changes, the dispersion of the emitting intensity of the light emitting element is corrected.
Patent JP-H0513541-A (JP)
Title: Gas detector
Inventor: WAKABAYASHI TAKESHI
IPC: H01L21/203
Filed: 1991-06-28
Abstract: PURPOSE:To detect even a small amount of gas to be detected contained in a gas by dissolving the gas in a solvent in a flowing state and detecting charged particles which are the objects to be detected generated in the solvent, as an electric signal. CONSTITUTION:Purge gas N2 and pure water in which a small amount of gaseous components to be measured is dissolved are pressure-fed to a separater 24 and the purge gas N2 is discharged to the almosphere. The water containing the sample gas components is then pressure-fed to a detector 26 by means of a pump 25. The detector 26 detects, the change of inter-electrode current, that is generated due to incoming of Cl<->, for example, with a Cl<-> selection electrode of a chloride measuring apparatus and outputs it as an electric signal. The output signal from the detector 26 is operated specifically with a conversion value stored in advance in an arithemetric unit 27, so that the sample gaseous components dissolved in the pure water is outputted as absolute values. Thus even low-concentration and fine gas can be continuously detected.
Patent JP-H1031391-A (JP)
Title: Heater for photosensitive drum on copying machine
Inventor: KAYAMA AKIRA
IPC: H05B3/00
Filed: 1996-07-12
Abstract: PROBLEM TO BE SOLVED: To facilitate the manufacture of a heater for a photosensitive drum, to decrease a manufacturing cost, and to reduce the heat applied to an electronic component or the like arranged in a hollow part of a photosensitive drum by improving heat conductivity to the photosensitive drum. SOLUTION: This machine is manufactured by respectively forming plural notches 12 on a pair of opposite side parts of a base plate 11 in a semicylindrical or a flat plate shape composed of an elastic insulating resin film, and providing a tape shape heater 13 hung between adjacent notches 12 on the one side part while extended on one side surface of base plate 11 so as to be repeatedly turned in the direction of the notch on the other side part. The base plate is made round in a chylindrical shape with the extended side surface of the tape shape heater 13 outside, and attached to an inside of the photosensitive drum.
Patent JP-S63116761-A (JP)
Inventor: PETORUSU FURANSHISUKUSU ARUFUO
IPC: F26B17/28
Filed: 1987-07-24
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-H0233311-A (JP)
Title: Yarn-making method
Inventor: TAGAWA YASUO
IPC: D01D5/08
Filed: 1988-07-22
Abstract: PURPOSE:To obtain normal yarn, combined filament yarn having different shrinkage and combined filament yarn having different fineness and shrinkage using same apparatus consisting of many spinning and drawing derives installed side by side by changing driving of Goddet roller in drive of gear pump and drawing part by a switch. CONSTITUTION:Left half is formed into the first block and right half is formed into the second block among plural spinning and drawing devices which stand in a line side by side and a circuit A for integrally controlling driving of apparatus group belonging to each block and plural spinning and drawing devices which stand in a line side by side are divided into a pair of adjacent two devices and devices in the left side of each pair is integrated into the first block and devices in the right side of each pair is integrated into the second block and a circuit B for integrally controlling the driving of devices belonging to each block. When the device is changed to the circuit A by a switch, a normal yarn is obtained and when changed to the circuit B, a combined filament yarn having different shrinkage is obtained and when the device is changed to the circuit B and set condition of drive is changed, a combined filament yarn having different fineness and shrinkage is obtained.
Patent JP-H0233495-A (JP)
Title: Multiblade blower
Inventor: MIYAHARA SHINJIRO
IPC: F04D29/30
Filed: 1988-07-22
Abstract: PURPOSE:To improve the aerodynamic performance of the blower in the title and reduce its noise by forming an area between the both tongues of a casing with two types of enlarged angles or more, and further enlarging the angles as they approach the tongue. CONSTITUTION:While a flow passage area within a casing passage 29 is relatively small, a casing enlarged angle alpha is set as alpha=6 deg.. Thereafter, a casing enlarged angle beta is set as beta=10 deg.. As a result, air can be made to flow out smoothly from an impeller 22 to the casing passage 29. Then loss within a casing 21 can be reduced, the aerodynamic performance of the blower concerned can be improved, and its low noise can be reduced.
Patent JP-2001016257-A (JP)
Title: Inter-station communication system by internet protocol
Inventor: SATO SHINICHI
IPC: H04L12/70
Filed: 1999-06-29
Abstract: PROBLEM TO BE SOLVED: To easily manage routing information and to freely select a physical line through which an inter-station signal is transmitted/received without the need for a common line signal network. SOLUTION: A server 21 manages a telephone number, a called exchange 30 to be connected corresponding to the telephone number, a point code to be identified, an Internet protocol IP address and a trunk group number of a speech path to be set by using a connection number retrieval table 24 and retrieves the identification information and a trunk group number on the basis of the telephone number sent from a caller exchange 10. When the server 21 completes the retrieval, the server 21 transmits an IP packet to which the point cord, the IP address and the trunk group number obtained from the retrieval are attached to the caller exchange. Furthermore, the caller exchange attaches a telephone number received from a telephone set 11 to the IP packet to identify to which call the information corresponds.
Patent JP-S6246497-A (JP)
Title: Semiconductor memory device
Inventor: MIYAMOTO EIJI
IPC: G11C29/00
Filed: 1985-08-23
Abstract: PURPOSE:To make an operation at high speed by providing a redundant circuit by processing a non-inversion address and an inversion addresses by two sets of comparators, respectively and controlling a change over to a preliminary memory array. CONSTITUTION:A column address buffer C-ADB forms a non-inversion address and an inversion address according to an external address CAD. These non- inversion and the inversion addresses are respectively compared with a refective memory cell address in address comparators AC1, AC2. By an output phiK during the coincidence, the operation of a column address decoder C-DCR1 or C-DCR2 forming an internal address is prohibited. The cell of a memory cell array M-ARY1 or M-ARY2 of the address is not made access but a preliminary memory cell array YR-ARY1 or YR-ARY2 is made access. According to this constitution, the load capacity of an address buffer is balanced and a semiconductor memory device operates at high speed while providing a redundant circuit.
Patent JP-2000017614-A (JP)
Title: Cable connection method for suspended structure
Inventor: HARAGUCHI TOSHIO
IPC: E01D11/00
Filed: 1998-06-30
Abstract: PROBLEM TO BE SOLVED: To provide a cable connection method in which the construction cost and period can be reduced by use of simple members and main cables can be easily and securely tensed and fixed to the base block sides. SOLUTION: Cables 3 supporting suspended members such as girders 4 or the like are connected to anchorage connection metal tools 8 positioned on the installation lines of the cables by anchor members 10 fitted to the ends of the cables. In this case, at least two insertion holes for fittings including a fitting-insertion hole 27 for connecting a receive base metal tool in which a tension device is fitted are bored in the anchorage connection metal tool with a longitudinal distance. The anchorage connection metal tool 8 and the forgoing receive base metal tool are connected to each other through the fitting- insertion hole 27 for the receive base metal tool. Thereafter, the tension device is engaged with the receive base metal tool and the anchor member 10 and the anchorage connection metal tool 8 are connected to each other through other fitting-insertion hole than the fitting-insertion hole 27 for the receive base matal tool in the connection metal tool 8 in the state that the cable 3 is tensed by the tension device to connect the cable 3.
Patent JP-S6426432-A (JP)
Title: Sheet embossing device
Inventor: KONO MAKOTO
IPC: B31B50/25
Filed: 1987-07-22
Abstract: PURPOSE: To easily and accurately match the position of a mold push groove of 3 layer laminated female paper to that of the knife edge for a hold board by a method wherein a guide pin for positioning is fitted to the hold board made to the required shape for the mold push and a positioning hole capable of coupling to a guide pin is provided on the hold board. CONSTITUTION: Preliminarily fit a 3-layer structure paper 10 on the hold board 3 with a thick paper 13 set on a hold board 3 side by coupling the edges of a plurality of guide pins 15 mounted on the hold board 3 to a plurality of positioning holes on the 3-layer structure paper 10 and further, the surface of the thick paper 13 for 3-layer structure paper 10 is adhered on the surface of a steel plate 7, only the hold board 3 being driven upward. Removed from the thick paper 11, together with the thick paper 13, is a cut piece segregated from the thick paper 11 between the cut lines 17a and 17b mark-pressed by a knife 14 which is mounted on the arm of an automatic designing machine when removing the thick paper 13 from the thick paper 11.  Thereafter, the required shape of a mold push groove 8 is formed to obtain a female paper 11' in which the position of the knife edge 5a for mold push of the hold board 3 high-accurately matches the position of a mold push groove 8.
Patent JP-S57108615-A (JP)
Title: Measuring device for distance
Inventor: FUJIBAYASHI KAZUO
IPC: G01C3/08
Filed: 1980-12-25
Abstract: PURPOSE:To broaden the visual field of measurement of distance and improve the accuracy of the measurement by providing as a distance-measuring lens a toric lens wherein the lens power of an image component intersecting perpendicularly to the direction a base line is stronger than the lens power of the image component in the direction of the base line. CONSTITUTION:Cylindrical lenses 13 and 14 have a function of forming the image component in the direction of the base line, while cylindrical lenses 15 and 16 have a function of forming the image component intersecting perpendicularly to the direction of the base line. And, the cylindrical lenses 15 and 16 have the stronger lens power than the lenses 13 and 14 and the imaging planes of these lenses are devised to be nearly on the plane of a light-receiving element respectively. Accordingly, the angle of the direction intersecting perpendicularly to the direction of the base line is widened, i.e. the visual field of measurement of distance is broadened. Since the focusing in the direction of the base line and in the direction intersecting perpendicularly thereto is in accord, the comparison of the two images is conducted in a state of high contrast and thereby the accuracy of measurement of distance is improved.
Patent JP-2000018360-A (JP)
Title: Ball screw with cage type holder
Inventor: KAJITA TOSHIHARU
IPC: F16H25/22
Filed: 1998-06-30
Abstract: PROBLEM TO BE SOLVED: To provide a ball screw with a cage type holder which can improve a torque performance by preventing the interference between the holder and a piece, the collision to a ball and the biting into the ball. SOLUTION: In the ball screw with a cage type holder, having the piece 60 for a ball circulation on a ball nut 30, and arranged the cage type holder 40, providing plural long holes extending to the axial direction for separating balls 50 in a periphery direction mutually and also holding rollingly on the periphery surface, between a screw shaft 20 and ball nut 30 screwed thereto through the ball 50, the gap A between the screw shaft 20 and a cage type holder 40 is set to smaller than the gap B between the piece 60 and the cage type holder 40.
Patent JP-2001015835-A (JP)
Title: Laser beam generating device and optical amplifier
Inventor: ITO KATSUHISA
IPC: H01S3/06
Filed: 1999-06-30
Abstract: PROBLEM TO BE SOLVED: To suppress a scattering of excitation light in an optical fiber at the time of the introduction of the excitation light into the optical fiber, and also to relax the condition of the constitution of an excitation light reflective part in a laser beam generating device which performs the generation of a laser beam and an amplification of signal light by the introduction of the excitation light into the optical fiber, and an optical amplifier. SOLUTION: One link of an optical fiber 2 using a laser active material as its core is folded back a plurality of times, the parts, which are held between the folded- back parts, of the fiber 2 are respectively arranged on a straight line, these straight line parts are arranged in almost parallel to each other, whereby the plane of the fiber 2 is formed and this plane is pinched in between two glass flat plates 5 to fuse the plane to the flat plates 5. At this time, both ends of the fiber 2 are arranged on the outsides of the flat plates 5 and a reflecting mirror 3 is mounted on the one end on one side of both ends of the fiber, which are arranged on the outsides of the flat plates.  Prisms 4a and 4b for introducing excitation light/in the fiber 2 are arranged into the form of the plane of this fiber 2, and the light 7 is introduced in the fiber 2 toward the longitudinal direction of the fiber 2 via these prisms 4a and 4b. The fiber 2 introduced with the light 7 generates a laser beam and the generated laser beam is taken out from the one end on one side of the ends of the fiber 2.
Patent JP-H06117794-A (JP)
Title: Device for mounting connecting pipe to two adjacent mounting hole in heat exchanger case
Inventor: KURISUTEIAN MARUSE
IPC: F28F9/02
Filed: 1992-06-19
Abstract: PURPOSE: To mount a connection pipe for circulating cooling liquid to the casing of a heat exchanger for cooling the lubricant of an engine with a simple operation. CONSTITUTION: Two connection pipes 38 and 40 are mounted to a common support plate 42 that is composed so that they can be mounted to a casing 12 by snap-fitting means 50, 52, 54, and 56, two orifices 46 that are connected to the two connection pipes are provided at a position that matches two mounting holes 24 of the casing 12 in a support plate 42, and a sealing member 64 is provided between the support plate 42 and the case 12 at a position close to the mounting holes 24 and the orifices 46. When the support plate 42 is positioned by the fitting means and is mounted to the casing 12, the two connection pipes 38 and 40 are automatically aligned to the two mounting holes 24 of the casing 12 and are maintained liquid-tightly by the sealing member 64.
Patent JP-S6244974-A (JP)
Inventor: TAKESHIMA KEIICHI
IPC: F23Q7/00
Filed: 1985-08-22
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-S6427946-A (JP)
Title: Gradational printer
Inventor: ZAMA HIROYOSHI
IPC: B41J2/52
Filed: 1987-07-24
Abstract: PURPOSE:To obtain a gradational printer simplified in circuit construction, by performing a dither processing and a data conversion processing by the same circuit construction. CONSTITUTION:A data output means for outputting binary numbers ranging from 1 to 2<n-1>-1 in response to gradation data, a dither signal-generating means for alternately outputting a signal '0' and a signal '1' synchronously with clock pulses, and an adding means for adding first data, which has an output from the dither signal- generating means at the 0-th bit (the least significant bit) and has an output from the data output means at the 1st-(n-1)th bits, and the gradation data to each other and outputting a carry signal when there is a carry in the result of the addition, are provided. Dot printing is conducted according to an output from the adding means. With the gradation data and the first data added to each other, the number of the carry signals corresponds to the gradation data. The least significant bit of the first data is alternately changed each time the gradation data is supplied. Therefore, when the gradation data is 1, 3, 5... the densities of adjacent dots are alternately varied by one step, whereas when the gradation data is 3, dots with densities corresponding to the gradation data of 2 and 4 are alternately arranged to give an intermediate density on a visual basis.