baber/WOPTO huggingface dataset:
Patent JP-2001047456-A (JP)
Title: Device and method for manufacturing fresnel lens
Inventor: OOKANEMASA YASUKI
IPC: B29C43/36
Filed: 1999-08-10
Abstract: PROBLEM TO BE SOLVED: To manufacture a precise Fresnel lens and easily release the Fresnel lens from a mold. SOLUTION: A Fresnel lens manufacturing device is provided with a mold 10 with a through-hole formed running through from the surface to the back, a core 31 with its surface constituting a part of the surface of the mold 10 by being inserted into the through-hole, a driving device 30 moving the core 31 in the through-hole and an air feeder for feeding the air into a space 40 formed by moving the core 31 by the driving device 30 and encircled with a resin plate 50 press molded by being pressed by the mold 10 with the through- hole wherein the core 31 is inserted, the inner face of the through-hole and the surface of the core 31 to release the resin plate 50 from the mold 10.
Patent JP-H0389502-A (JP)
Title: Magnetic multilayer film
Inventor: MOTOMURA YOSHIHIRO
IPC: G11B5/147
Filed: 1989-08-31
Abstract: PURPOSE:To obtain a magnetic multilayer film having high Bs and excellent soft magnetic characteristics by specifying the repeat of lamination and the occupying rate of a first magnetic layer in a repeat. CONSTITUTION:The title magnetic multilayer film has periodic structure by the repetition of the alternate lamination of ferromagnetic layers 2 composed of Fe or mainly comprising Fe and ferromagnetic layers consisting of NiFe or mainly comprising NiFe on a base material 1. A sintered body of glass, Si, Al2O3, TiC, SiC, Al2O3 and TiC, ferrite, etc., are used as the material of the substrate 1. A first ferromagnetic material and a second ferromagnetic material are evaporated by a vacuum deposition device having two evaporation sources or a sputtering device having two targets, and the shutters of the two evaporation sources are opened and closed alternately or the substrate is passed alternately on the two evaporation sources, thus alternately laminating two kinds of the material on the substrate. The repeat of lamination is set to a value from 50Angstrom  to 200Angstrom , and the occupying rate of the first magnetic layer in a repeat is set to a value from 40% to 60%.
Patent JP-H05281225-A (JP)
Title: Assay for evaluating inhibition of pmn elastase due to n-substituted azetidinone
IPC: C12Q1/44
Filed: 1992-08-26
Abstract: PURPOSE: To measure the quantity of HLE-I bond by dissociating an HLE- inhibitor(HLE-I) bond to obtain a specified product and then determining the quantity of a specific compound thus produced. CONSTITUTION: In the method for measuring the quantity of an HLE-I association bond formed by dosing β-lactam inhibitor shown by formula I, HLE is incubated together with a compound shown by formula I to produce an HLE-I association bond. The HLE-I association bond is then extracted from the incubation sample and the HLE-I bond is dissociated to produce a product shown by formula II and the compound shown by formula II is determined. In the formula I, R and R<1> are ethyl, M is allyl or n-propyl, Z1 is a substitution phenyl where (a) 5-benzofuranyl or (b) a substituent is methyl or ethoxy, and Z2 is a substitution phenyl where the substituent is substitution phenoxy shown by formula III. The quantity of produced compound shown by formula II can be determined by a chromatography means and spectral absorption.
Patent JP-S61104894-A (JP)
Inventor: YOSHIDA MATADAI
IPC: F16C32/04
Filed: 1984-10-29
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-S61107521-A (JP)
Title: Measuring device of height of head for flexible magnetic disc device
Inventor: KONNO KAZUTOSHI
IPC: G11B33/10
Filed: 1984-10-31
Abstract: PURPOSE:To measure simply the height of a head face to a disc fixed face without diassembling the titled device by pressing a cantilever to a slide face between a magnetic head and a disc to detect the change in the height of the magnetic head sliding face to a turntable as a deflection change of the flat plate cantilever. CONSTITUTION:A seat 2 is pressed into contact onto the turntable 5 of the magnetic disc device via a disc retainer 7 by a plate spring 6 for disc loading. The magnetic head 8 is placed to a head carriage 9 and moved in the direction of arrow and positioned. An arm 10 supported by the head carriage 9 is energized by a spring to act like contacting closely the disc onto the head via a felt-made pad 11 provided at the tip. The deflection of the flat plate 1 is changed attended with the vertical movement of the magnetic head 8, a resistance wire strain gauge 4 is deformed and its resistance value is changed.
Patent JP-H0970638-A (JP)
Title: Tap forming pressing method
Inventor: NAKANO SHINJI
IPC: B21D19/08
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a tap forming pressing method excellent in the productivity related to a method for executing the tap-working for fixing an electronic parts to a metallic plate material. SOLUTION: A projection part 3 is arranged to the metallic plate material 1 by a front projection formation and therein, an opening work of a preliminary lower hole 5 is executed. Thereafter, the tap-working method is executed by arranging the tap-working part 6 with a tap-forming punch 11 and a tap-forming die 12, and the tap-working time can be shortened and non-washing can be obtd. by unnecessitating a tapping machine and high viscosity working oil, and the process can be made to in-line.
Patent JP-H0897454-A (JP)
Title: Solar cell manufacturing method
Inventor: NAKAYA HIROAKI
IPC: H01L31/04
Filed: 1994-09-22
Abstract: PURPOSE: To provide a solar cell manufacturing method well adaptable to the mass production by forming grooves or recesses not depending on the plane orientation ink the surface of a polycrystalline Si substrate, thereby reducing the surface reflectivity and hence the shorting current. CONSTITUTION: The surface of a polycrystalline Si substrate 11 is coated with a liq. photosensitive resin and this resin is etched to form openings 82 according to the shape of grooves or recesses to be formed into the surface thereof, while the substrate is masked 81. Abrasives 24 are sprayed by the air blasting method on the surface of the substrate through the openings 82, thus efficiently and accurately forming grooves or recesses into its surface, without depending on the plane orientation.
Patent JP-S6383977-A (JP)
Title: Both-face flexible disk device
Inventor: NAGAOKA JIRO
IPC: G11B21/10
Filed: 1986-09-26
Abstract: PURPOSE:To correct the relative position error between two recording faces only in a first place to shorten head switching time by connecting a linear motor to a mobile base on which one of magnetic heads facing each other is mounted and driving the linear motor in accordance with position information read by magnetic heads. CONSTITUTION:A mobile base 3 on which a magnetic head 1 on one side 1 is mounted is connected to a linear motor 5 and receives track position of a magnetic disk plate read by the magnetic head 1 and is driven and is moved in the radial direction of the magnetic disk plate. At the time of setting the initial state, off-track due to expansion based on temperature and humidity, assembling error, eccentricity, or the like is corrected by a magnetic head 2 on the other side 0 to position the magnetic head on a track. The magnetic head is switched, and the linear motor 5 is operated to correct the relative position error between two recording faces of the magnetic disk plate. This relative position error is the assembling error between a device, which formats the magnetic disk plate, and this device, and this error is not changed after corrected once.
Patent JP-S6471124-A (JP)
Title: Exposure
Inventor: SEKIYA TOMOJI
IPC: H01L21/027
Filed: 1987-09-11
Abstract: PURPOSE:To remove speck patterns at an optimum vibrating angle by imparing the vibrating angle data of a deflecting system corresponding to the speck patterns peculiar to each mask to the masks and reading the data when the masks are varied. CONSTITUTION:Either mask of masks 21-1-21-n is carried by a mask loader 22, and a signal corresponding to a mask data pattern is detected at the position of a reading optical system 26 consisting of a projector 27 and a photoreceptor 28. A control section 31 transmits a vibration control signal over a vibration drive section 32 according to a vibrating angle data theta read by the signal, and the optical axis of laser beams is vibrated at the vibrating angle by a deflecting system 4. Consequently, the optical axis of laser beams 2 is vibrated at the vibrating angle set by the deflecting system 4, and laser beams are image-formed onto a resist film as a large number of point light sources by an integrator 5.
Patent JP-2000056161-A (JP)
Title: Optical fiber connector, optical circuit board and optical fiber
Inventor: KOBAYASHI MASARU
IPC: G02B6/24
Filed: 1998-08-12
Abstract: PROBLEM TO BE SOLVED: To provide an optical fiber connector easy for connection work, with less loss and collectively connecting many optical fibers, an optical circuit board and an optical fiber. SOLUTION: The optical fiber connector is composed of plugs 11, 12 consisting of a plug block 20 provided with grooves holding 12 pieces of optical fibers on one surface and plug housings 15, 16 respectively fixing three pieces of plug blocks 20 and an adapter block 13 consisting of an adapter block 30 provided with a through hole 31 holding 12 pieces of optical fibers on one surface and an adapter housing 17 fixing three pieces of adapter blocks 30 and housing/fixing the plugs 11, 12 on both sides of the fixed adapter block 30.
Patent JP-S6286885-A (JP)
Title: Manufacture of semiconductor device
Inventor: HIRAYAMA NORIYUKI
IPC: H01L21/208
Filed: 1985-10-14
Abstract: PURPOSE:To obtain a flat layer in a groove in a semiconductor laser of planar buried structure by using 2-phase solution method in case of liquid-phase epitaxially growing a clad layer. CONSTITUTION:A BC laser is formed by sequentially liquid-phase epitaxially growing an n-type InP clad layer 11, an n-type InGaAsP active layer 12, a P-type InP clad layer 13 and a P-type InGaAsP contact layer 14 on a semiconductor substrate having striped groove 10 in a predetermined azimuth. When forming the layers 11, 13, 2-phase solution method is used. Then, the growing film thickness ratio of the flat portions in the groove 10 and out of the groove 10 (n1/n2 and p1/p2) can be increased, the layer 13 does not recess in the groove 10. Then, it can prevent defects or thermal resistance from increasing, thereby increasing the life of the laser.
Patent JP-S60120611-A (JP)
Title: Digital filter
Inventor: SHINODA MASANORI
IPC: H03H17/00
Filed: 1983-12-05
Abstract: PURPOSE:To obtain a digital filter having a proper time constant easily at low cost by making variable the time constant of a primary delay element according to the amplitude of an input signal. CONSTITUTION:An input signal SI is sampled and held by a sample and hold circuit 1 then converted by an A/D converter 2 into a digital signal, which is supplied to an amplitude detector 3 and the primary delay element 5. The amplitude detector 3 detects the amplitude of the input signal SI during the past time TA, i.e. difference A between a maximum and a minimum. Further, the difference A is compared with the amplitude AO of a signal SI having no superposed noise in a period TA to evaluate the level of a noise in the input signal. The output of this detector 3 is converted to a time constant by a function generator 4 according to a predetermined function. The primary delay element 5 performs prescribed arithmetic corresponding to the primary delay element on the basis of the time constant and input signal SI.
Patent JP-2001052220-A (JP)
Title: Operation totalization system, totalization server, terminal of person in charge, and recording medium
Inventor: YOKOBORI TSURUO
IPC: G06Q10/00
Filed: 1999-08-12
Abstract: PROBLEM TO BE SOLVED: To obtain an operation totalization system which can make efficient a collecting and totalizing process for data regarding the operation times, etc., of persons in charge and improve the reliability of the data. SOLUTION: A totalization server 1 generates and registers operation tables for inputting operation times to respective operation items by the persons in charge at a request from a person-in-charge terminal 5. The totalization server 1 accepts data input to the operation table of a corresponding person in charge at a request from the person-in-charge terminal 5. The totalization server 1 gathers data inputted to respective operation tables in specific timing, performs various totalizing processes based upon the gathered data at a request from the terminal 3, and generates an actual result table showing totalization results. At a request from an administrator, the terminal 3 registers a company name, the name of a person in charge, an operation item, etc., in the respective tables on the totalization server 1.
Patent JP-H1157740-A (JP)
Title: Flocculating treatment of water
Inventor: KATAOKA KATSUYUKI
IPC: C02F1/52
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To provide the flocculating and treating technology of water high in safety and high in the forming effect of flocculated flocks even in a city water treatment by using silicic acid. SOLUTION: In this treating method, a silicic acid aq. soln. 6 having 5-10% SiO2 concn., pH3-4.5 and >=10 mPa.S rotational viscosity is poured into raw water 7 to be treated together with an inorg. metallic salt flocculate 8 such as aluminum (aluminum sulfate, PAC) and iron (ferric chloride, iron polysulfate). In the case, the silicic acid aq. soln. 6 is prepared by adding sodium silicate 4 to strongly acidic water 3 having <=pH 1.
Patent JP-H0894753-A (JP)
Title: Method for measuring distance and normal direction
Inventor: YOSHIDA KOJI
IPC: G01S3/803
Filed: 1994-09-22
Abstract: PURPOSE: To provide a method, which can measure the distance to a surface to be measured and the normal direction. CONSTITUTION: An ultrasonic wave transmitter 1 is provided. A plurality of ultrasonic wave receivers 3 and 4 are provided in the directions, whose pointing orientaions are different in a horizontal plane. An ultrasonic wave is transmitted from the ultrasonic wave transmitter 1. The distance to a surface to be measured is obtained based on the time until the reflected ultrasonic wave is detected with the respective ultrasonic wave receivers 3 and 4. Then, the direction of the reflected wave is estimated based on the ratio between the outputs of the respective receivers 3 and 4 and the directivities of the respective receivers 3 and 4. Thus, the distance to the surface to be measured and the normal direction are determined.
Patent JP-S60121974-A (JP)
Title: Stop positioning device of linear induction motor
Inventor: TANAMACHI TOKUNOSUKE
IPC: H02P25/06
Filed: 1983-12-05
Abstract: PURPOSE:To accurately position the stop of a movable unit in noncontact by providing a plurality of holes in the secondary conductor, and switching the excitation of the primary coil at the prescribed stopping position of the secondary conductor from a 3-phase excitation to a single phase excitation. CONSTITUTION:The primary core 5 has teeth 51, and the U-phase coil 61 of the primary coil, V-phase coil 62 and W-phase coil 63 are wound on the teeth 51. This secondary conductor 2 moves by a moving magnetic field generated form the primary coil. A plurality of punched holes 21 are formed at the conductor 2. When the conductor 2 is stopped at the prescribed stopping position, the excitation of the primary coil is switched from 3-phase excitation for generating a moving magnetic field to a single phase excitation.
Patent JP-H0217-A (JP)
Title: Surface light source element
Inventor: OE MAKOTO
IPC: G02B6/00
Filed: 1988-09-14
Abstract: PURPOSE:To easily form condensed light in a desired direction with a thin type by constituting the surface light source element of a 1st element having many lenses on the exist face and the 2nd element having many prisms on the incident face. CONSTITUTION:Lens units 16 are provided on the exit face of the 1st element 50 of the surface light source element and a reflecting surface 13 is provided on the opposite side. Prism units 40 are formed on the incident face of the 2nd element 51 and the opposite side is the exist face 32. The light from a wire-shaped light source 14 is reflected by the reflecting surface 13, is emitted from the lens units 16 and passes the prism units 40 to become rays 54, 55. The exit angles psi6, phi6 can be made equal by properly setting the shape, exit angle and prism angle of the lens groups 16 and the perpendicular emission of the rays from the exit face 32 is possible as well. The condensed light is thus easily formed in the direction viewed by a user.
Patent JP-S61105918-A (JP)
Title: Differential amplifier circuit
Inventor: HARUYAMA KIYUUICHI
IPC: H03M1/38
Filed: 1984-10-30
Abstract: PURPOSE:To attain the operation at a wide input/output voltage range by connecting properly two kinds of input differential pairs using opposite conduction type transistors (TRs), a load circuit and a current mirror circuit. CONSTITUTION:The 1st differential pair 101 acts like a gain stage to an input voltage from a level near the middle of a power supply voltage between the 1st and end power terminals 41, 42 to a leel equal to the 2nd power voltage. Further, the 2nd differential pair 102 acts like a gain stage to an input voltage from a level near the middle of the 1st and 2nd power terminals 41, 42 to a level equal to the 1st power voltage. Thus, the sum of gains of both the gain stages, nearly 64dB is the gain of the differential of the one gain stage, nearly 40dB is the gain of the differential amplifier circuit 100 to other voltage range. Thus, a desired gain is obtained for the differential amplifier circuit 100 over the range of the 1st and 2nd power voltages resultingly.
Patent JP-H04110659-A (JP)
Title: Outside-air-contamination judging apparatus for vehicle
Inventor: ITO TOKUYUKI
IPC: G08G1/01
Filed: 1990-08-30
Abstract: PURPOSE:To ensure the detection of the contamination of outside air beforehand by judging the presence or absence of traffic jam based on the running pattern of a vehicle, and judging the contamination of the outside air. CONSTITUTION:In an automobile 1, a sensor 2 for detecting the speed of the vehicle, a front sensor 3 which detects a vehicle in the forward direction, a back sensor 4 which detects a vehicle in the backward direction and a computer 5 which judges the contaminated state of outside air are provided. When the speed of the vehicle is the specified speed or higher, it is judged that there is no traffic jam and the outside air is in the normal conditions. When the speed is less than the specified speed and there is no vehicle in the forward direction, the no traffic jam and the normal state are judged. When the speed is less than the specified speed, there is a vehicle in the forward direction and there is no vehicle in the backward direction, it is judged that the outside air is in the weak contaminated state. When the speed is less than the specified speed and there are vehicles both in the forward and backward directions, the strong contaminated state is judged. When the judgment is performed in association with the traffic jam, the contamination of the outside air can be positively detected beforehand.
Patent JP-S6477640-A (JP)
Title: Bead cord for tire
Inventor: HAMADA TOSHIHIRO
IPC: D02G3/48
Filed: 1987-09-11
Abstract: PURPOSE: To obtain a bead cord for tire, composed of a sheath and core type double layered structural yarn obtained by using a fiber bundle having a specific yarn strength as a core, and covering the core with fibers braided around the core, having a proper stiffness, excellent in shape-keeping properties, and especially suitable for a tire for bicycle. CONSTITUTION: This bead cord for tire comprises a core-sheath double layered structural yarn obtained by using a fiber bundle (preferably having 4,500-7,500 de size) comprising fibers (preferably the whole aromatic polyester composed of p-hydroxybenzoic acid, and 6-hydroxy-2-naphthoic acid) having >=18 g/de yarn strength and preferably having 1-5 de fiber size as a core, and covering the core with fibers (e.g. polyvinyl alcohol fiber, preferably having 100-500 de size) braided around the core.
Patent JP-H04109213-A (JP)
Title: Optical low-pass filter
Inventor: UZAWA TSUTOMU
IPC: G02B27/46
Filed: 1990-08-30
Abstract: PURPOSE:To obtain low-pass effect in two dimensional directions, to improve a spatial frequency response to a low frequency component, and to reduce an increase in spatial frequency response almost at a suppression frequency in defocusing by constituting a grating which has a gently raised phase part in a shape of concentric circles or an concentric and equal-eccentricity elliptic shape. CONSTITUTION:The optical low-pass filter is formed so that the grating whose radial section is in a sine wave shape is formed in the shape of concentric circles as shown in a figure (A) showing the shape of an xy plane and a figure (b) showing the shape of the section containing the optical axis O and (x) axis when the (x) and (y) axes are set perpendicular to the optical axis O. Thus, the optical low-pass filter is so constituted that the grating having the gently raised phase part is formed in the concentric circles or concentric and equal- eccentricity elliptic shape. Consequently, the low-pass effect is obtained in two dimensions, the spatial frequency response to the low-frequency component is made fast, and the increase in the spatial frequency response almost the suppression frequency in defocusing is decreased.
Patent JP-S61107305-A (JP)
Title: Optical fiber connector
Inventor: SAWAIRI MASARU
IPC: G02B6/38
Filed: 1984-10-31
Abstract: PURPOSE:To obviate the pickup of noise by an optical fiber from the juncture thereof, the mixing of a leak signal with the other circuit and the generation of a transmission loss owing to leakage by incorporating a specific metallic oxide into a material for a connector so that the connector is formed black to prevent the intrusion of rays incoming from the outside and to prevent the leakage of the internal rays. CONSTITUTION:The connector consists of an alumina ceramic sintered body into which alpha alumina (Al2O3) and 0.1-5% manganese dioxide, 0.1-0.9% iron trioxide and 0.1-0.5% titanium oxide are incorporated. The connector formed by sintering the material consisting of the alpha alumina mixed with the manganese dioxide, iron trioxide and titanium oxide is black and does not allow the transmission of light. The intrusion of harmful rays except the rays for communication into the fiber from the outside is thus prevented and the leakage of the useful rays for communication from the inside of the outside and the intrusion into the other circuit are prevented as well.