baber/WOPTO huggingface dataset:
Patent JP-H07154324-A (JP)
Title: Light signal transmission method and light communication system
Inventor: ARAN EICHI GUNATSUKU
IPC: H04B10/02
Filed: 1994-09-09
Abstract: PURPOSE: To obtain a bit rate distance product in the order of 200 T bit km/sec with respect to single channel transmission by increasing the bit rate distance product which is attainable by means of a non-soliton optical phase conjugate system by adjusting system parameters. CONSTITUTION: An optical communication system using optical phase conjugation for dispersion compensation is provided with an optical fiber route 9 and an optical communication transmitter 10 at one end of the route 9. The light outputted from the transmitter 10 is inputted to a receiver 12 through the route 9. The route 9 is composed of a single segment having a first section 14 of L1 in length and a second section 15 of L2 in length and incorporates a single phase conjugator 20 between the first and second sections 14 and 15. In order to compensate the dispersion and nonlinearity in the route 9, the phase conjugation of optical signals is generated by means of the conjugator 20 and the intensity level of optical signals in at least one section of the segment is adjusted so that the nonlinearity in the route 9 may be compensated.  In addition, the attainable bit rate-distance product of the system is increased by adjusting system parameters.
Patent JP-S6396497-A (JP)
Title: Heat exchanger
Inventor: MORI HARUTSUGU
IPC: F28F1/02
Filed: 1986-10-13
Abstract: PURPOSE:To improve radiating and heat transfer effect, by a method wherein a radiation promoting plate is equipped between neighboring heat transfer tubes, while the sectional configuration of the heat transfer tubes is made flat in the flow direction of primary fluid. CONSTITUTION:Radiation promoting plates 2 are provided in the flow direction of primary fluid 3, therefore, the rate of occupation of substantially parallel part of the outer surface of a heat transfer tube to the radiation promoting plate 2 is increased remarkably by forming the heat transfer tube 1 flat in the flow direction of the primary fluid 3. In this case, the effective area of radiation heat transfer is increased, therefore, the effect of radiation heat transfer from the radiation promoting plate 2 is increased. The pitch of arrangement of the heat transfer tubes 1 in a direction orthogonal to the flow of the primary fluid 3 can be reduced by making the heat transfer tubes 1 flat, whereby a heat exchanger may be compacted.
Patent JP-H0287818-A (JP)
Title: Semiconductor device
Inventor: KANAMORI KIMINORI
IPC: H01L29/78
Filed: 1988-09-26
Abstract: PURPOSE:To shorten the operation time required for turning-on of an output transistor TR and to reduce the power consumption by providing a voltage self-compensation type charge pump circuit, a capacitor where the output electric charge of the charge pump is stored, and a switch connected between the output of the charge pump and the gate of an output transistor TR. CONSTITUTION:A voltage self-compensation type charge pump circuit 2 for gate driving of an output TR 6, a capacitor 9 where the output electric charge of the charge pump circuit 2 is stored, and a switch circuit 3 connected between the output of the charge pump circuit 2 and the gate of the output TR 6 are provided. Thus, the turning-off time is shortened and the power consumption of the gate driving circuit is reduced.
Patent JP-H0991840-A (JP)
Title: Hard disk device
Inventor: OKADA MITSUHIRO
IPC: G11B19/00
Filed: 1995-09-20
Abstract: PROBLEM TO BE SOLVED: To lower noise by using a power source of a smaller capacity. SOLUTION: Motor switches 2a to 2c are disposed between the power source 4 and disk-driving motors 1a to 1c of hard disk driving devices 3a to 3c. A start control means 7 is connected to these motor switches 2a to 2c and a start command means 6 is connected to this start control means 7. This start control means 7 first turns on the motor switch 2a when it is commanded by the start command means 6 to start. The motor switch 2b is turned on after the lapse of starting time (t) required for starting of the disk-driving motors 1a to 1c from the point of this time and the motor switch 2c is turned on after the lapse of starting time (t) from the point of this time. The starting time (t) is set so as to be slightly longer than the time until the driving currents of the disk-driving motors 1a to 1c attain stationary current after the turning on of the motor switches 2a, 2b.
Patent JP-S62102147-A (JP)
Title: Isi testing device for piping penetration part of nuclear reactor container
Inventor: KAGEYAMA NORIHIRO
IPC: G21C17/00
Filed: 1985-10-30
Abstract: PURPOSE:To efficiently test a welding part by forming a space between a film and the welding part by suction before winding the photographed film, rotating a testing device in the circumferential direction up to an unphotographed part and then contacting the film to the welding part by air pressure to execute photographing. CONSTITUTION:Air in a rubber seal 12 is sucked by a vacuum pump from a pressing suction port 9 through a flexible tube 11, a gap is formed between the film 13 and the welding part 6 or a process pipe 4 to prevent the film 13 from damage and execute working such as movement and rotation. In the ISI testing device 7, a radiant ray source port is opposed to the position of the film 13. After photographing, a space is formed between the film 13 and the welding part 6 by suction before the winding of the film 13. Then, the film 13 is wound, the device is rotated in the circumferential direction up to the unphotographed position and then the film 13 is again allowed to contact with the welding part by air pressure to execute photographing. The photographing of the whole periphery can be attained by repeating said operation, and thereby the ISI test can be executed.
Patent JP-H0698007-A (JP)
Title: Event data simulating system for exchange
Inventor: ICHII HIROO
IPC: G06F19/00
Filed: 1992-09-10
Abstract: PURPOSE:To continuously simulate the same event by storing event data on the bus of an exchange at a monitor and designating the number of times for simulating the event data at the time of executing the simulation. CONSTITUTION:The event data collected from a bus 15 at the time of executing monitor are stored in a monitor buffer 23, sent to an external storage device 30 and stored in a bus data storage part 33. The number of times for simulating the event data stored in the bus data storage part 33 is designated by a simulate execution designating means 40, at the time of executing the simulation, a data sending means 34 sends the event data to a transmission/reception buffer 32 according to the designated number of times for executing the simulation, the event data are sent through a simulate buffer 22 onto the bus 15 and concerning the simulated result, the number of times for executing the simulation is stored as a simulated result file.
Patent JP-H0582753-A (JP)
Title: Semiconductor memory device
Inventor: NAGAYAMA HIROSHI
IPC: H01L27/108
Filed: 1991-09-20
Abstract: PURPOSE:To avoid soft errors of a semiconductor memory device caused by an alpha-ray and improve the reliability. CONSTITUTION:A memory cell is composed of a charge storage capacitor 1 and a transfer gate MOS transistor 2 connected to the storage electrode of the charge storage capacitor 1. A number of the memory cells are arranged to constitute a cell array. The transfer gate MOS transistor 2 is composed of a thin transistor whose source and drain are not composed of diffused layers. The storage electrode of the charge storage capacitor 1 is connected to a first electrode 12 which is to be the source or drain of the thin film transistor 2, a bit line 11 is connected to a second electrode which is to be the drain or source of the thin film transistor 2 and the gate electrode 9 of the thin film transistor 2 is connected to a word line.
Patent JP-H0798483-A (JP)
Title: Silver halide photographic sensitive material
Inventor: YAGIHARA MORIO
IPC: G03C1/34
Filed: 1993-09-28
Abstract: PURPOSE:To produce the silver halide photographic sensitive mateiral less in fogging excellent in gradation and high in sensitivity by incorporating a specified compd. into at least one layer of a silver halide emulsion layer. CONSTITUTION:At least one kind of compd. expressed by formula I or formula II is incorporated into at least one layer of the silver halide emulsion layer. In the formula, R11 is aliphat., arom. and heterocyclic groups, R12 is SR13, SeR14, and TeR15; R13-R15 are aliphat., arom. and heterocyclic groups. In this case, the silver halide emulsion to be used is exemplified by silver bromide, silver iodobromide, silver indochlorobromide, silver chlorobromide and silver chloride preferably. And beta-selenolactum compd. may be incorporated instead of the compd. of the formula I and the formula II.
Patent JP-H09117836-A (JP)
Title: Vacuum chuck
Inventor: TOOMASU AARU MAKUNEIRU
IPC: B21D43/00
Filed: 1996-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a lightweight vacuum chuck having uniform strength and rigidity by installing a sheet of a rigid perforated material to cover a main surface of a block of a material whose mutual opposed main surfaces are porous. SOLUTION: A strong, rigid and lightweight material 50 is formed by sandwiching a web-shaped core such as a honeycomb material 52 between bottom sheets 56 similar to a rigid perforated material 54. A vacuum chuck uses a rigid metallic frame to hold several part pieces of the material 50 being a perforated honeycomb sandwich by an adhesive. An opening covers the whole surface of this material 50. Insert plugs and guide pins are arranged in several guide pin holders.
Patent JP-S6395620-A (JP)
Title: Forming method for ohmic electrode
Inventor: OSAWA MASARU
IPC: H01L21/28
Filed: 1986-10-09
Abstract: PURPOSE:To improve an ohmic characteristic and a yield rate by a method wherein an NiGe alloy is evaporated on a GaAs substrate, a heat treatment of a specific temperature is then applied in a reducing atmosphere or an inactive atmosphere to form an alloy layer and Au is evaporated on the alloy layer. CONSTITUTION:After an active layer 2 is formed on a semi-insulative GaAs substrate 1, photoengraving is conducted to form a first photoresist 3. Next, an NiGe alloy layer 4 is formed by evaporation. By melting the first photoresist 3 subsequently, an unnecessary pattern is removed, while a desired pattern is formed. Next, a heat treatment of a specific temperature of 360 deg.C-450 deg.C is applied to form an alloy layer 5 in a reducing atmosphere, e.g. H2, or in an inactive gas atmosphere, e.g. N2. Then, a second photoresist 6 is formed in a part other than on the alloy layer 5. An Au layer 7 is formed by evaporation on the alloy layer 5. By removing the second photoresist 6 subsequently, an unnecessary pattern is removed, and thus a desired ohmic electrode is obtained.
Patent JP-H03106359-A (JP)
Title: Three-dimensional fixed positioner device for medical treatment
Inventor: OTA KOSUKE
IPC: A61B17/00
Filed: 1989-09-20
Abstract: PURPOSE:To facilitate selecting operation of the optimum trepanation position by moving an arm unit total body by a supporting unit and positioning a cross point in the arm unit in a focus position of a patient head part. CONSTITUTION:A three-dimensional fixed positioner device for medical treatment comprises an arm unit 2 set for a head part K of a patient and supporting unit for supporting this arm unit 2 to an arbitrary position. Even when the first arm 15 and the second arm 17 are respectively freely turned, a cross point between the first and second turn axes P1 and P2 is immobile with also the point end of a needle part 19 surely directed to this cross point S. Accordingly, a total unit of the arm unit 2 is moved by the supporting unit, when the before described cross point S in the arm unit 2 is positioned in a focus position T of the patient head part K, the point end of the needle part 19 is always directed to the focus position T. That is, even when the needle part 19 is moved in any position, the focus T is present in the point of a direction in which the point end of the needle part 19 is directed, so that an approach angle (trepanation position) to the focus T can be easily selected while referring to an image photograph obtained by CT or MRI.
Patent JP-H0992528-A (JP)
Title: Electromagnetic actuator
Inventor: MURAI KATSUICHI
IPC: H01F7/16
Filed: 1995-09-20
Abstract: PROBLEM TO BE SOLVED: To enhance the reliability upon coupling by a method wherein a joint member 18 made of a synthetic resin to form a cylindrical part forcibly inserted into the outer peripheral part in outer end part of a movable core so that a pawl engaging with the outer peripheral surface of the movable core may be integrally formed in this cylindrical part. SOLUTION: A synthetic resin joint member 24 is composed of a cylindrical part 24a on one end and an eye-ball part 24c protruding from the endwall 24b of the cylindrical part 24a so that the cylindrical part 24a may be forcibly inserted into the outer peripheral surface of the outer end of a movable core 6 to connect a work member 26 to the eye-ball part 24c. Besides, a plurality of lateral holes 27 and an engaging pawl 28 bending the front end pawl part facing to the lateral holes 27 inward in the radial direction are integrally molded in the cylindrical part 24a. This engaging pawl 28 is engaged with the outer peripheral circular trench 29 of the movable core 6 by the self elasticity when the outer end of the movable core 6 forcibly inserted into the cylindrical part 24a abuts against the end wall 24b.  Accordingly, even if the pressure coupling between the cylindrical core 6 and the movable core 6 happens to be loosened, the release of the joint member 24 can be avoided.
Patent JP-H0289768-A (JP)
Title: Structure for retaining paper of image forming device
Inventor: MIZUTANI NAOKI
IPC: B65H29/52
Filed: 1988-09-26
Abstract: PURPOSE:To restrain the curling up of a sheet of a paper smoothly without inconvenience by bringing retainer pieces made of a flexible material with the top face of a sheet of paper from the front end center portion thereof to both side portions in order. CONSTITUTION:The front end both side portions of a sheet of paper is in a largely curled up condition due to the heating by a fixing device, and the front end center portion in which the degree of curling up is less is first brought into contact with a central retainer piece 52 and retained from above. Thereby, the degree of curling upon both side portions gets less to some extent. In this condition, the front end both side portions are then brought into contact with both retainer pieces 51, 53 to restrain the curling up thereof. Thus, the sheet of paper is sent to a forwarding roller 46 with the curling up thereof being restrained from the center portion to both side portions.
Patent JP-S60135748-A (JP)
Title: Deciding method of particle flocculation pattern
Inventor: DOI KATSUNOBU
IPC: G01N21/25
Filed: 1983-12-23
Abstract: PURPOSE:To make an accurate decision without accurate positioning by forming an image of the bottom surface of a reaction container on a two-dimensional photodetecting element array, calculating the contour of the image form their outputs, and deciding on a pattern on the basis of output of photodetecting elements within the contour. CONSTITUTION:The particle flocculation pattern formed on the bottom surface of the reaction container 1 when particles in the reaction solution in the reaction container 1 settle is detected photoelectrically to make a decision. For the purpose, a microplate 2 made of a transparent member having containers 1 in a matrix is conveyed intermittently as shown by an arrow, and the bottom surface of the container 1 is lighted by a light emitting part 3 which extends at right angles of said conveyance direction to form an image on the two-dimensional photodetecting element array 5 through a lens 4 and makes a scanning. Further, the photodetection area of the element array 5 is made larger than the image of the bottom surface, and the position of the image is calculated to provide feedback to the movement of the plate 2 so that the whole image of the bottom surface is positioned in the photodetection area. Further, the decision on the flocculation pattern is made on the basis of data at the center part of the bottom surface image and data at the circumferential part.
Patent JP-S60132164-A (JP)
Inventor: FUOOBUSU JIYOOJI DE BURI PERII
IPC: F16H15/38
Filed: 1984-11-15
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-2000071503-A (JP)
Title: Thermal printer device and applied voltage correcting method therefor
Inventor: ITO FUMIHIRO
IPC: B41J2/35
Filed: 1998-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a thermal printer device capable of having a constant printing concentration by correcting the voltage value with respect to a heat generating resistor in a thermal head safely and certainly in a short time, and a method for correcting the applied voltage value thereof. SOLUTION: Optimum voltage value data are calculated based on the recording result recorded at an optional voltage value from the outside of a thermal printer device 101, and the optimum voltage value data are transmitted as a radio signal. The optimum voltage value data are stored in a nonvolatile memory 106 in the thermal printer device 101 so that a voltage value corrected based on the optimum voltage value data is applied onto a heat generating resistor of a thermal head 110 whenever the power source is turned on. Accordingly, a constant printing density can be obtained.
Patent JP-S6397423-A (JP)
Title: Mechanism for turning movable load into power
Inventor: SHIBUYA YOSHIO
IPC: B60G13/14
Filed: 1986-10-13
Abstract: PURPOSE:To lower the burden of an engine by positively transmitting an energy caused by the vibration of a movable load during traveling to a driving shaft. CONSTITUTION:Whether at the time of loading or unloading, the rotations of driving shafts 22 are regularly transmitted to spur gears 10, 11 through bevel gears 15, 16, 12, 13 and via shafts 14, 17. A shaft 9 is loosely related with the spur gear 10, and when a static load is applied to a rear body, the position of a spring stop pin 19 is lowered in accordance with the load and a suspension 18 pushes up the spur gear 10 via a lever 2, a red 3, a lever 4, a rod 5, a spring seat 6, a spring 8, and a spur gear seat 7, to apply pressure to the spur gear 11.
Patent JP-S62100783-A (JP)
Inventor: BISAIJI TAKASHI
IPC: G09F9/00
Filed: 1985-10-28
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-H1187419-A (JP)
Title: Method and apparatus for mounting conductive ball
Inventor: NAKAZATO SHINICHI
IPC: H01L21/60
Filed: 1997-09-08
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for mounting a conductive ball surely on an electrode of a workpiece by eliminating pickup miss of conductive ball. SOLUTION: A horizontal plate 13 is set at a ball supply section such that it can be elevated or lowered freely by means of a cylinder 18. Conductive balls 7 are mounted on the plate 13 when it is lowered and then the plate 13 is elevated in order to arrange the conductive balls 7 in a layer by means of a squeegee 19. Under that state, a vacuum-chuck head 31 is lowered above the plate 13 while oscillating the plate 13 by means of an oscillator 16 and the conductive balls 7 are vacuum-chucked to the head 31. According to the method, the conductive balls 7 are chucked accurately, one by one, to each vacuum-chuck hole 31a and adhesion of excessive conductive balls 7 to the head 31 can be prevented.
Patent JP-S60132987-A (JP)
Title: Chlorophyll composition
Inventor: KOJIMA TADASHI
IPC: A23L5/43
Filed: 1983-12-22
Abstract: PURPOSE:To provide the titled composition having excellent stability and safety, etc., and suitable for food, etc., by mixing and emulsifying chlorophyll in a neutral or alkaline aqueous solution containing a hydrophilic substrate as well as a natural phenolic substance and ascorbic acid, and granulating the emulsion. CONSTITUTION:(A) Chlorophyll is mixed and emulsified in an aqueous solution adjusted to neutral or alkaline state and containing (B) a hydrophilic substrate (e.g. gelatin), (C) a natural phenolic substance (e.g. tocopherol) and (D) ascorbic acid (salt) (e.g. L-ascorbic acid). The objective composition can be prepared by granulating or pulverizing the emulsion. EFFECT:The composition has excellent handleability.
Patent JP-S60133786-A (JP)
Inventor: MATSUURA SHIYUUICHI
IPC: H05K1/03
Filed: 1983-12-21
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-S6485571-A (JP)
Title: Dc-dc converter circuit
Inventor: ISHIKAWA YUICHI
IPC: H02M3/155
Filed: 1987-09-28
Abstract: PURPOSE:To reduce switching loss, by connecting a delay circuit between switching elements and a diode and by setting the ON-period of switching elements two - three times as much as the delay time of the delay circuit. CONSTITUTION:A diode D, an inductor L and a capacitor C and connected in series. A load 1 is connected to both sides of the capacitor C. The negative electrode of the diode D is connected to a DC power source E through a delay line 2 composed of a coaxial cable, etc., and a switching transistor Q. A diode D2 for reflection current bypass is connected in parallel to the transistor Q. The ON-period of the switching transistor Q is set more than twice and less than three times as much as the delay time of the delay line 2.
Patent JP-S61115023-A (JP)
Title: Pharmacological medicine containing ibuprofen and manufacture
Inventor: GERUHARUTO GERUGERII
IPC: A61K47/26
Filed: 1985-10-31
Abstract: A pharmaceutical preparation containing ibuprofen is disclosed. In the preparation, the ibuprofen particles are enveloped by a coating of a hydro-colloid and fumaric acid. Preferably, the hydro-colloid comprises xanthan gum and/or maltodextrin. This preparation reduces the tendency of ibuprofen to irritate the esophagus and the gastrointestinal tract when taken orally. An effervescent mixture of the ibuprofen containing preparation can be prepared by incorporating citric acid and calcium carbonate into the mixture. A process for the manufacture of the ibuprofen containing preparation is also disclosed. In this process, ibuprofen particles are coated with the hydro-colloid and fumaric acid under vacuum conditions in a vacuum mixing machine and the resulting preparation is thereafter vacuum-dried.
Patent JP-H03104446-A (JP)
Title: Duplicate system for bus type network
Inventor: IMAI YASUMASA
IPC: H04L12/40
Filed: 1989-09-19
Abstract: PURPOSE:To offer a bus type network duplicate system with high reliability without limit of degree of freedom and a change in a transmission control protocol by forming MODEMs and MAC(medium access control) layers in duplicate, connecting the MODEM to different 2 systems of transmission lines and connecting the transmission lines with a repeater. CONSTITUTION:Plural branching devices 13 are used for a main system transmission line 10 to connect MODEMs 11A, 11B, 11C with MAC layers 14A, 14B, 14C. On the other hand, plural branching devices 23 are used for a standby system transmission line 20 to connect MODEMs 21A, 21B, 21C with MAC layers 24A, 24B, 24C, and a resistor 22 with equal characteristic impedance to the impedance of the transmission line is used to terminate both ends of the standby system transmission line. When the MODEM 11A of a station 3A is failed, only the station 3A uses the MAC layer 24A and the MODEM 21A of the standby system to send and receive the data and the data transmission reception between the station 3A and other stations 3B, 3C are implemented via a repeater 5.