baber/WOPTO huggingface dataset:
Patent JP-2001004852-A (JP)
Title: Low-loss optical waveguide and its manufacture
Inventor: IMOTO KATSUYUKI
IPC: G02B6/12
Filed: 1999-06-17
Abstract: PROBLEM TO BE SOLVED: To provide a compact and low-loss optical waveguide, small in scattering loss and radiation loss, and to provide its manufacturing method. SOLUTION: In this optical waveguide, core layers 5a, 5b of a high refractive index in a shape of almost rectangular cross-section are embedded in cladding layers 4, 6a, 6b, 7 of low refractive index on a substrate 1. As the core layers 5a, 5b have sat least two step type refractive index distribution in the width direction, most of the light transmitted through the core layers 5a, 5b is confined in the parts of a high refractive index to be propagated. The core layers 5a, 5b and the cladding layers 6a, 6b consist of a photobleaching material, which makes the interface uniform. As a result, a compact optical waveguide small in scattering loss and radiation loss can be obtained.
Patent JP-H11909-A (JP)
Title: Extrusion mold
Inventor: SUMIYA TOMOJI
IPC: B28B3/26
Filed: 1997-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a mold, with which an extrusion-molded article having a complicated shape can be easily molded. SOLUTION: In a mold 9 which is fixed to an extrusion molder, columnar parts 11, 11...11, each of which projects to an extrusion direction, are formed so as to attach a cutting edge 12 for forming a cutting-off line in an extruding molded body, at the tip part of each columnar part 11.
Patent JP-H0219530-A (JP)
Title: Mottled polyester yarn and production thereof
Inventor: OKUMURA MASAKATSU
IPC: D02J1/00
Filed: 1988-07-08
Abstract: PURPOSE:To obtain the subject yarn having uneven dyeability and looped fluffs and giving a cloth having a grace mottled feeling caused by the uneven surface by drawing and simultaneously false-twisting a highly oriented undrawn polyester multifilament yarn by a specific method and subjecting the treated yarn to fluid-disturbance treatment. CONSTITUTION:A highly oriented undrawn polyester multifilament yarn is drawn and simultaneously false-twisted while alternately forming a double- twisted part and a single-twisted part in the direction of length. The obtained false-twisted yarn is subjected to a fluid-disturbance treatment to obtain the objective yarn which is a looped fluff yarn composed of the yarn parts A composed of filaments having flat cross-section and exhibiting low dyeability and the yarn parts B exhibiting high dyeability wherein the parts A and the parts B are alternately arranged in the longitudinal direction and the number of the loop fluffs of the part A is smaller than that of the part B. The simultaneous drawing and false-twisting treatment is preferably carried out at a draw ratio of 1.1-1.5, a false-twisting number of (2,500-3,700)/D<1/2> (D is yarn denier after false-twisting) T/M and at 150-220 deg.C.
Patent JP-S5873420-A (JP)
Title: Mounting construction of rear lower sash of door for automobile
Inventor: SATOU HIROMU
IPC: B60J5/04
Filed: 1981-10-26
Abstract: PURPOSE:To improve mounting accuracy of a rear lower sash, by protruding a lower sash mounting sheet part to the inside of a door in an inner panel rear end face of the door, molding the lower sash mounting sheet part through embossing and fixedly welding a rear lower sash to said part. CONSTITUTION:A door main unit 1, integrally provided with a door sash 2, is constituted by an inner panel 5 and outer panel 6, and a lower sash mounting sheet part 15, protruded to the inside of a door, is molded by embossing to a required location in a rear end face of said door inner panel 5. A lower end part of a rear lower sash 16 is fixed by welding and the like to this mounting sheet part 15, and an upper end part of said sash 16 is extensibly provided to the  upper from a door waist part W, then this extensibly provided part 16a is interposed between end parts of inner and outer sashes 7, 8 of a sash rear side part  2c, thus fixed by spot welding. Further a sheet surface 15a of said mounting  sheet 15 is formed in alignment to a slope of the sash rear side part 2c.
Patent JP-H1023731-A (JP)
Title: Drive wheel using hybrid stepping motor
Inventor: SUGIURA TSUNEO
IPC: H02K37/06
Filed: 1996-07-01
Abstract: PROBLEM TO BE SOLVED: To improve packaging density of coils for enhancing the efficiency of a hybrid stepping motor so as to easily wind and mount the coil, by making the magnetic polarities of the first and second stator yokes opposite to each other and arranging them in parallel on a fixed shaft in the axial direction through a magnet plate, and attaching the wheels to the rotor case. SOLUTION: The rotor case is rotatably attached to a pair of bearings 2 and 3 put on a fixed shaft 1, and wheels 200 are attached to the external surface of the case 4. A first and a second stator yokes 9 and 19 arranged in parallel on the shaft 1 in the axial direction through a magnet plate 8 are integrally formed with the magnet plate 8 in between and a first and a second coil supporting grooves 20a and 21a are respectively formed on the outer peripheries of the yokes 9 and 10 at the central parts of the yokes 9 and 10 in the axial direction. A first and a second coils 22 and 23 wound in bobbin-like states are respectively provided in the grooves 20a and 20b. The coils 22 and 23 are automatically wound by means of a coil winding machine.
Patent JP-S5873278-A (JP)
Title: Facsimile device
Inventor: YOSHIDA TAKEHIRO
IPC: H04N1/32
Filed: 1981-10-28
Abstract: PURPOSE:To prevent a transmitter from transmitting an original, when a failure of recording state takes place in a receiver, by providing a means informing the failure to the transmitter, through the detection of the failure of the recording state at the receiver side. CONSTITUTION:A control circuit 1 latches information from a paper jam detection circuit 12 and a thermal head applying voltage detection circuit 13 and  outputs a nonstandard device installing signal from a detection circuit for the  nonstandard device installing signal. This signal is received at a detection circuit 2 for the nonstandard device installing signal. A procedure interruption/ end signal transmission circuit 4 detects the procedure interruption/end signal. This signal is received at a procedure interruption/end signal detection circuit and the control circuit 11 transmits an affirmative or negative signal of procedure interruption. This signal is detected at an affirmative or negative signal detection circuit of the procedure interruption, a pseudo bell tone is generated via a pseudo bell tone generating circuit 6 and the operator of a transmitter is called.
Patent JP-H1111872-A (JP)
Title: Folding mechanism for crane mast
Inventor: KAMIYA MINORU
IPC: B66C23/26
Filed: 1997-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a structure which is equipped with a pin shaft for preventing an intermediate back stay from being folded or bent and in which an upper back stay and the intermediate back stay are bent forward round another pin shaft when the pin shaft is drawn off and a cylinder is contracted, wherein a smooth operation is assured by avoiding jerking motions at the time of folding. SOLUTION: A fold-up mechanism of a crane mast has a back stay structure composed of an upper stay 4, middle stay 5, and lower stay 6, which are coupled together by pin shafts so as to be capable of being folded. A tortion spring 7 straddling over the upper back stay 4 and intermediate back stay 5 is set on the pin shaft (b) which couples together the upper back stay 4 and intermediate back stay 5 in such a way as capable of being folded, and they are energized always in the direction of folding to ensure smooth folding operation.
Patent JP-H0741138-A (JP)
Title: Detector for article conveyance abnormality
Inventor: INOUE YASUHIKO
IPC: B65G43/02
Filed: 1993-07-12
Abstract: PURPOSE:To provide a detector for article conveyance abnormality capable of judging accurately and abnormality in the conveyance instantly when any abnormal situation takes place under which an article to be conveyed is stopped. CONSTITUTION:There are provided an article detecting device 11 for detecting the presence of an article under conveyance, a speed detecting device 12 for detecting the speed of the article under conveyance and an abnormality device 11 and speed detecting device 12 so as to judge the stoppage of the article and output an abnormality detecting signal when the article detecting device 11 detects the presence of the article and the speed of the article detected by the speed detecting device 12 reaches the lower limit value.
Patent JP-S6150041-A (JP)
Title: Density measuring method of forced circulating type concentrator
Inventor: SATO FUMIYASU
IPC: G01N9/28
Filed: 1984-08-20
Abstract: PURPOSE:To measure the density in a forced circulating type concentrator accurately, by providing a measuring chamber in an evaporating can, inserting two bubbler pipes in the measuring chamber, blowing air having specified amounts of flow rates from the tips of the pipes, and measuring the difference in pressures. CONSTITUTION:A branched pipe 2 from the outlet port of a circulating pump 1 is connected to a measured chamber 4, which is provided in an evaporating can 3. The liquid overflows and the stable liquid surface is formed. Bubbler pipes 5 and 6 are inserted in the measuring chamber 4, and air having specified amounts of flow rates is blown from the tips of the pipes. The difference in blowing pressures is detected by a differential pressure gage 7, and the density in the concentrator is measured. Since the liquid is forcibly circulated by the circulating pump 1, the liquid surface in the evaporating can 3 is severely fluctuated. But the liquid surface in the measuring chamber 4 is stable. The fluctuation of blowing pressures due to the fluctuation of the liquid surfaces in the bubbler pipes can be avoided. Therefore, the density can be accurately measured.
Patent JP-S5960369-A (JP)
Title: Testing device for lsi
Inventor: IZAWA KIYOSATO
IPC: H01L21/66
Filed: 1982-09-30
Abstract: PURPOSE:To test simultaneously and efficiently LSI devices which require a CPU and other MATCH modes by placing those LSI devices in the same internal state and then testing their functions simultaneously. CONSTITUTION:A control part 1 executes the test in the same address by the maximum MATCH frequency programmed completely without reference to MATCH detection states of the LSIs to be tested, and moved to the next address when the test is completed at the maximum frequency. A test pattern expelling part 3 stops the supply of a test signal PT2 to an LSI5 placed in the MATCH state firstly and waits another LSI6 to enter the MATCH state; after the both are put in the same state, a program counter is driven to advance to the next address. Thus, the plural LSIs are tested synchronously.
Patent JP-2000009778-A (JP)
Title: D.c. cable electromechanical current-carrying test method and device
Inventor: KON HIROYUKI
IPC: G01R31/00
Filed: 1998-06-18
Abstract: PROBLEM TO BE SOLVED: To eliminate influence of external environment such as a change with the passage of time or the like by holding an a.c. and d.c. current supply circuit, and a rectifier in high insulating gas in a closed container, charging a supplied d.c. cable in the closed container, and converting an a.c. current flowing through another current-carrying auxiliary cable through a current transformer into a d.c. current. SOLUTION: A supplied d.c. cable 11 is charged with d.c. high voltage through a charging lead cable 14 from a d.c. high voltage generating device 12. Meanwhile, an a.c. current is generated in a current-carrying auxiliary cable 15 from a d.c. power supply through a current-carrying CT 21, and converted into a d.c. current through an a.c. current supply circuit 17, a rectifier 16 and a d.c. current supply circuit 18 so that d.c. is applied. The electric circuits are supported by an insulating bushing 13, having a connecting terminal at the base and a conductor lead rod at the upper part in the atmosphere of high inslating gas such as SF6 gas in a closed container 10.
Patent JP-2000011932-A (JP)
Title: Electron gun
Inventor: DAIKYO YOSHIHISA
IPC: H01L21/027
Filed: 1998-06-18
Abstract: PROBLEM TO BE SOLVED: To minimize damages which a region around an opening part, a rectangular aperture or the like of a picture drawing pattern formed on a mask incurred when an electron beam exposure device and to restrain the occurrence of the meltdown of the region. SOLUTION: In an electron gun, where a cathode C and a first grid G1 are arranged on the high-voltage side of a high-voltage insulator and an anode A is arranged on its low-voltage side, a second grid G2 having an aperture AP for limiting the passing quantity of an electron beam EB is arranged on the high-voltage side of the high-voltage insulator and between the first grid G1 and the anode A. Then, a voltage that forms a forward bias with respect to the cathode C is applied to the second grid G2, so that a crossover image XO is made to be formed at the position of the aperture AP of the second grid G2.
Patent JP-S6148731-A (JP)
Title: Light waveform generating device
Inventor: ONO YOSHIHIRO
IPC: A61B5/16
Filed: 1984-08-17
Abstract: PURPOSE:To set the frequency of light easily and accurately by receiving a pulse signal from an oscillation part and then comparing a signal corresponding to the light output of a light source part with data constituting a light waveform, and performing feedback control over the intensity of light outputted from the light source. CONSTITUTION:Plural data for controlling the light output with time are stored in a memory 10 and those data are outputted to a D/A conversion part 11 and an arithmetic part 14 successively. Converted data are supplied to the light source part 12; the majority of the output light of the light source part 12 is seen with an observer's eye 13 and the remainder is guided to a photodetection part 16. The signal of the photodetection part 16 is outputted to the arithmetic part 14 through an A/D conversion part 16. A data input part 19 inputs plural data constituting the light waveform and stores them in a memory 18. The arithmetic part 14 has a pulse signal from the oscillation part 17 and compares the signal from the conversion part 15 with data of the memory 18 to correct data in the memory 10. Thus, the time required for single-time feedback control is determined by the pulse signal from the oscillator, so that the light frequency is set accurately.
Patent JP-2000005968-A (JP)
Title: Method for conveying workpiece
Inventor: SATOI YASUNAGA
IPC: B23Q7/00
Filed: 1998-06-18
Abstract: PROBLEM TO BE SOLVED: To provide a workpiece conveying method capable of easily discriminating between processed workpieces and unprocessed workpieces. SOLUTION: A work conveying method, for conveying workpieces in such a manner that the kinds of the workpieces conveyed can be identified, includes a placement process in which the workpieces W each with identification marks Wa provided asymmetrically with respect to its outer form are placed on a conveyor while changing direction according to the kinds of the workpieces W, and a judgment process in which a sensor is used to detect whether or not the identification marks Wa are present to determine the direction of each workpiece W to thereby identify the kind of each workpiece.
Patent JP-H05344421-A (JP)
Title: Picture processor
Inventor: WATABE HIROYUKI
IPC: H04N1/387
Filed: 1992-06-05
Abstract: PURPOSE:To eliminate an unnatural picture or a hard to see picture due to cut-off of a picture by masking the cut-off of the picture caused by the rotation processing of a picture with a circular or an elliptic special pattern or the like and synthesizing a masked picture with other pattern picture. CONSTITUTION:A microcomputer 12 receives angle information from an angle sensor 14 converted into digital data by a built-in A/D converter 12A to control a read control section 11 and to adjust read from a field memory 5, thereby implementing picture rotation processing. Moreover, the microcomputer 12 decides the specific kind of a pattern such as a circle or an ellipse generated from a circle pattern generating section 13 based on the angle information from the angle sensor 14. Then pattern masking processing is applied to an area including the area of a displayed pattern in which picture data are not sufficed by rotation picture data generated by a rotation processing means.
Patent JP-S6063124-A (JP)
Title: Reverse flow and double-layer extruder in combination
Inventor: TOMITA HIROSHI
IPC: B29C48/06
Filed: 1983-09-17
Abstract: PURPOSE:To perform the covering of a conductor both in normal and reverse systems with a single cross head by providing a connection pipe port and a reverse flow ring at the bottom of the cross head to enable the connection to other sub extruder than the upper main extruder. CONSTITUTION:A main extruder 1 is set at the top of a cross head 12 while a connection pipe 3 is attached at the bottom thereof 12 to produce an extruded mixture 10 in an outer layer through a reverse ring 4. In the normal double- layer extrusion, a subextruder 2 is placed thereabove and extrudes an inner layer extruded mixture 9 and the outer layer extruded mixture 10 from the main extruder 1 to cover. In the reverse double-layer extrusion, the subextruder 2 is connected to the connection pipe 3 and extrudes an outer layer extruded mixture 11 through the reverse flow ring 4. The arrangement of two subextruders enables the simultaneous extrusion of three layers, i.e. inner, medium and layers to cover.
Patent JP-H0461386-A (JP)
Title: Pyroelectricity type infrared detector
Inventor: TANAKA MOTOKI
IPC: G01J5/02
Filed: 1990-06-29
Abstract: PURPOSE:To make it possible to obtain signal output and embody omnidirectional detection without the basic performance of a dual element type detector against any moving body from any direction by laying out two electrodes so that they may not be in parallel. CONSTITUTION:The angle alpha formed by the intersection and two extended lines c and d is 60 degree. The angle gamma formed by straight lines which links the center of each electrode and the S directional axis is slanted by 15 degree. More specifically, two electrodes are not laid out in parallel to each other. When a body moves in the direction of X, at first, + polarity output is obtained by an electrode 1-a, then - polarity output is obtained by an electrode 1-b. In the direction of + polarity output is obtained by a part of electrode 1-a where the electrode 1-b does not cancel the output. Where two electrodes cancel each other, their output cancel each other, but the - polarity output is obtained by a part of the electrode 1-b, which makes it possible to detect the penetration of a moving body in the direction of Y.
Patent JP-H0610489-A (JP)
Title: Joint of pipe member in floorsupporting device
Inventor: SHOJI TATSUO
IPC: E04F15/00
Filed: 1992-06-30
Abstract: PURPOSE:To make centering achievable so accurately at a time when a panel support or the like is clamped to a pipe member, in regard to a joint of the pipe member in a floor supporting device. CONSTITUTION:A joint is formed into a cap form by plastic materials, and it is provided with plural pieces of projecting strips 3 in the inner circumferential wall. A top part of each projecting strip 3 is set up on the same circumference, and a pipe member 2 being erected on a floor base 1 is made internally fittable in pressure-contact form. In addition, a circumference of the joint is formed into the circumference of a circle connecting the top part of the projecting strip 3 and a concentric circle. The pipe member 2 fitted in the joint is pressed inward by the projecting strip 3, whereby a center of the pipe member 2 and a center of the circumference connecting the projecting strip 3, namely, a center of the circumference of the joint are accorded with each other, thus accurate centering is made achievable. In consequence, the extent of centering accuracy of the panel receiver or the like clamped in making the circumference of the joint as a criterion, to the pipe member 2, is thus improved.
Patent JP-S6150893-A (JP)
Title: Marine propeller
Inventor: OKU MASAMITSU
IPC: B63H1/26
Filed: 1984-08-17
Abstract: PURPOSE:To improve propeller efficiency and its vibromotive force ever so better, by setting up a large diametral propeller blade and a small one alternately in equal parts, while setting both diametral ratios within the specified range. CONSTITUTION:A propeller blade 2 installed on a propeller boss 1 consists of a large diametral blade 2A and a small diametral one 2B. These large and small blades 2A and 2B are set up alternately in equal parts as to a direction of propeller rotation. And, the ratio between a diameter DL of the large blade 2A and a diameter DS of the small blade 2B should be set to 0.625<=DS/DL<=0.900.
Patent JP-2001008290-A (JP)
Title: Piezoelectric speaker
Inventor: HIROSHIMA YUKIMI
IPC: H04R17/00
Filed: 1999-06-18
Abstract: PROBLEM TO BE SOLVED: To make a reproduction frequency band of voice wide by energizing an electrode provided by forming a ceramics piezoelectric element into a dome shape. SOLUTION: Expansion and contraction of a ceramics piezoelectric element 1 is converted into vertical vibration of the entire piezoelectric element, and a sound wave is obtained by holding a peripheral end part of the ceramics piezoelectric element 1 on a frame 2. In addition, the cross-sectional shape of the ceramics piezoelectric element 1 in the vertical direction is defined as a structure, on which plural circular arcs with different radius are piled. Thus, since resonance frequency is inversely proportional to the radius, a curved surface of the dome-shaped piezoelectric element is constituted by continuing curved surfaces with respective different radii and the resonance frequency becomes hard to appear. Namely, a peak due to primary resonance or a peak due to higher-order resonance are not generated, therefore, a frequency characteristic becomes flatter and making the band become wide. In addition, influences of the resonance frequency due to a metal plate and inconvenient vibration in the shape of a diaphragm are not generated.
Patent JP-S5795462-A (JP)
Title: Regulator for stopping position of intaglio printer
Inventor: UNO CHIYOMATSU
IPC: B41F33/08
Filed: 1980-12-05
Abstract: PURPOSE: To stop a intaglio printing cylinder at a position where intaglio printing face does not come into contact with a wiping roller all the time by a method in which the revolving number of the main motor is lowered to a set value of low speed, and then the supply of current to the main motor is stopped and at the same time a brake is actuated.  
     CONSTITUTION: By timing signals generated every printing synchronously with the rotation of an intaglio printing cylinder by a timing sensor 22 and by stopping operation of the printer, AND output with command signal sent out of a stop command circuit 23 is put in a deceleration command circuit 26 through a counter where printing times from a pressure cylinder to delivery are preset in order to decelerate the speed of the main motor 10. And, by the timing of AND output with a stop signal generated from a speed detection circuit 30 in which stop revolving number of low speeds is preset and also a timing signal by a timing sensor 22, the supply of current to the main motor is discontinued and at the same time a brake is actuated. 
     COPYRIGHT: (C)1982,JPO&Japio