baber/WOPTO huggingface dataset:
Patent JP-2000011425-A (JP)
Title: Optical system for optical pickup
Inventor: YAMAZAKI NORIYUKI
IPC: G11B7/135
Filed: 1998-06-16
Abstract: PROBLEM TO BE SOLVED: To suppress the loss of the light quantity from a light source and to reproduce plural optical disks with one condensing optical system by quadrisecting the exit luminous flux of the light source and utilizing the same to the first and second optical disks. SOLUTION: The light source side refractive surface S1 of an objective lens is divided concentrically on the outer side from the optical axis to ring band surfaces Sd1 to Sd4 for the purpose of reproducing the first and second disks varying in transparent substrate thicknesses with one optical pickup device, by which the lens subjecting the respective ring bands to aberration correction within the diffraction threshold with respect to the plural light sources of different wavelengths and/or the transparent substrates 21, 21' varying in thicknesses by their spherical aberrations is obtd. The upper side of the optical axis is condensed to the first optical disk of the thin transparent substrate 21 and the lower side to the second optical disk of the thick transparent substrate 21'.  The first luminous flux passing the ring band Sd1 inclusive of the optical axis is used for reproducing the recorded information of the first and second optical disks, the second and fourth luminous fluxes past the ring band Sd2, Sd4 are used for reproducing the recorded information of the first optical disk and the third luminous flux past the ring band Sd3 is used for reproducing the recorded information of the second optical disk, respectively.
Patent JP-H0850636-A (JP)
Title: Pattern recognition method
Inventor: SAWAKI MINAKO
IPC: G06K9/62
Filed: 1994-08-04
Abstract: PURPOSE:To improve the accuracy that a distance function describes distribution and to improve recognition accuracy by performing space transformation of a feature vector and bringing the distribution of the feature vectors close to symmetrical distribution. CONSTITUTION:For an inputted pattern, in a preprocessing 1 first, moving is performed so as to bring the centroid of the pattern to the center of a predetermined pattern size and then, the normalization of a size is performed by the moment of the pattern. Further, a noise filter is applied and noise on the pattern is eliminated. Then, the feature vector to be used for identification is extracted in a feature extraction processing 2 and also the space transformation of an extracted feature vector value is performed in a space transformation processing 3. Then, in a distance calculation processing 5, the distance value of the feature vector of the input pattern and the feature vector of a reference pattern is obtained for the respective classes of a read object. In such a manner, by performing the space transformation by the main component analysis of the feature vector of the input pattern, the distribution of the feature vectors is brought closer to the symmetrical distribution and the distance value is obtained.
Patent JP-H0470776-A (JP)
Title: Image forming device
Inventor: ISAKA KAZUO
IPC: G02B26/12
Filed: 1990-07-11
Abstract: PURPOSE:To form high precise image information having high resolution with simple constitution by making the optical scanning surface of an image carrier into a curved surface corresponding to the optical characteristics of an imaging optical system. CONSTITUTION:Light beams emitted from a light source 1 receive a converging action in a sub-scanning direction by a cylindrical lens 3, and a line image is formed on the reflecting surface of a rotary polygon mirror 4. The light beams 6 reflected by the reflecting surface of the rotary polygon mirror 4 form the image of form a spot diameter on a photosensitive body face 7 as a face to be scanned by the imaging optical system 5, to sequentially carry out the image formation. At this time, the photosensitive body face 7 of the image carrier 10 is formed so that the light beams 6 converged by the imaging optical system 5 are almost coincident with an image forming curve formed by linking spots to form the minimum spot diameter. Thus, the light beams 6 always form the image with the minimum spot diameter on the photosensitive body face 7, and the high precise image information can be formed.
Patent JP-H1027292-A (JP)
Title: Facility guarding system
Inventor: OKADA KATSUHIKO
IPC: G08B13/08
Filed: 1996-07-12
Abstract: PROBLEM TO BE SOLVED: To prevent a guard mode from being forgotten to be set and to secure high security by validating an open command on condition that the guard mode is set and invalidating the open command and not opening a door when it is not set. SOLUTION: In a closed area 92, an intra-facility security equipment 10 for setting and cancelling the guard mode is installed. To the security equipment 10, the respective doors D1-D6 for constituting a guard object wing input lock signals or the closed state detection signals of the doors. After setting the guard mode, when one of locks is broken or the door is actually opened, a report is sent through a communication channel 12 to the management center of a security company. In the meantime, the open command by a door opening command means 1 is validated for the first time when the guard mode is set on the intra-facility security equipment 10 after locking the guard object wings D1-D6 and the door D0 of a final leaving person is opened. In the case that the guard mode is not set, the open command is invalidated and the door D0 of the final leaving person is not opened.
Patent JP-H0471109-A (JP)
Title: Dielectric porcelain composition and manufacture of dielectric porcelain
Inventor: SANO HARUNOBU
IPC: C04B35/46
Filed: 1990-07-10
Abstract: PURPOSE:To enable an increase of dielectric constant in spite of a small grain size by making barium titanate, in which a specific amount of alkali metal oxides are contained as an impurity, contain specific amount of specific compounds. CONSTITUTION:In 100 mole% of barium titanate which contains alkali metal oxides as an impurity by 0.03weight% or less, at least one kind selected of lanthanum oxide, cerium oxide, neodymium oxide praseodymium oxide, samarium oxide is made to be contained by 2.5 to 5.0mole%. Furthermore, zirconium oxide, tin oxide and titanium are made to be contained by 2.5 to 5.0mole% calculated in terms of (Zr1-a--bSnaTib)O2 (where a>,b>=0.0<a+b<=1.0). In the manufacture of dielectric porcelain, a mold body composed of this composition is baked in the atmosphere with oxygen concentration of 60% or more.
Patent JP-H08211968-A (JP)
Title: Improved method and apparatus for generation of reset signal
Inventor: IN TAIKUN
IPC: G06F13/42
Filed: 1995-06-27
Abstract: PURPOSE: To provide reliable reset signals for the initialization of a microcomputer by comparing a zero value, first and second non-zero count values and a third predetermined threshold value. CONSTITUTION: An error decision circuit 26 receives error signals from a first comparator circuit 22 and a second comparator circuit 24, appropriately combines the error signals and generates error decision signals for indicating whether or not the pulse state of input clock signals and the voltage level of an input supply voltage are both normal. A controller 34 controls the operation of a counter 32 and a memory 36 in response to count value state signals from the error decision circuit 26. A third comparator circuit 38 compares the zero value from the memory 36 with a third threshold value stored beforehand and generates the reset signals of a high level. Thus, by obtaining the reliable reset signals and performing useful change or updating to a parameter value, performance is improved.
Patent JP-H1029086-A (JP)
Title: Low melting brazing filler metal for platinum ornaments
Inventor: TAKARASAWA KATSUYUKI
IPC: B23K35/30
Filed: 1996-07-12
Abstract: PROBLEM TO BE SOLVED: To obtain a brazing filler metal which is of the same hue as the hue of platinum, has excellent corrosion resistance, wettability and brazing workability and is free from the odd feel of brazed parts and the ground texture by incorporating Ge, Sn and Pt into a ternary alloy of Ag, Cu and Zn. SOLUTION: The elements of at least either of the Ge and the S and further, the Pt are incorporated into the low melting brazing filler metal for platinum ornaments consisting of the ternary alloy of the Ag, Cu and Zn as the base. This brazing filler metal preferably contains 3 to 7% Ge and 5 to 15% Sn and further, 1 to 10% Pt in the Ag alloy consisting of 50 to 60% Ag, 15 to 25% Cu and 15 to 25% Zn. The working of the ornaments with such brazing filler metal without softening the brazing filler metal so much is possible at the time of brazing the Pt. The finish after brazing is good and luster is obtd. by polishing.
Patent JP-H1024184-A (JP)
Title: Band-operated washing device
Inventor: KAGEYAMA NAOYUKI
IPC: D06F1/00
Filed: 1996-07-12
Abstract: PROBLEM TO BE SOLVED: To eliminate inconveniences such as having to endure cold water, hurting the skin of one's hands with detergents or getting wet with splashes of water when forced to handwash soiled underwear and other clothing items as experienced on travels when a freely usable electric washer is rarely available. SOLUTION: The inside of a device main body 37 which can be sealed up tightly is divided by a partition 41 into a washing chamber 39 with an adjustable capacity and an auxiliary chamber 40 with a nonadjustable capacity. After the device main body 37 is sealed up and the capacity of the washing chamber 39 has been suitably adjusted, the washing water stored in the auxiliary chamber 40 is spouted into it by way of the water-supplying holes 42 formed on the partition 41 to perform the washing.
Patent JP-H0594634-A (JP)
Title: Disk device
Inventor: YAMAMURO MIKIO
IPC: G11B7/125
Filed: 1991-06-28
Abstract: PURPOSE:To enable a laser beam output to be controlled stably and in a high frequency hand. CONSTITUTION:At the time of reproducing operation, a high frequency component and a low frequency component are separated from an output current of a photodiode PD by a CR filter 62, and only the low frequency component is amplified and afterward added to the current, and this added current is converted into a voltage by an amplifier A2, and then a light emitting quantity of a laser beam by a laser diode 9 is controlled in accordance with this converted voltage. At the time of pulse light emitting during the recording time, the monitor loop is opened, and a voltage corresponding to a recording pulse is superimposed upon a reproducing output voltage charged in a capacitor C1 in the CR filter 62, and then the light emitting quantity of the laser beam by the laser diode 9 is controlled according to this voltage.
Patent JP-H0848116-A (JP)
Title: Heavy load pneumatic radial tire
Inventor: TAKENOYA MASAHITO
IPC: B60C15/00
Filed: 1994-08-04
Abstract: PURPOSE:To provide a heavy load pneumatic radial tire which is low in rolling resistance, leading to a reduction in fuel consumption, and further excellent in durability in a bead part. CONSTITUTION:In this pneumatic tire equipped with at least one layer radial carcass 2, a carcass line is formed in a convex curve at the outside up to a shoulder part from a bead part inflection point P, and formed into a convex circular arc on the inside up to a center level Q of a bead core from the bead part inflection point P respectively. In addition, a tilt angle alpha of a straight line connected with the bead part inflection point P and a center point O of a rim-flange circular part to a tire turning shaft is 30 to 60 deg., while the carcass- line ranging from the bead part inflection point P to the shoulder part is an equilibrium form, and a radius of curvature RL of the convex circular arc on the inside ranging from the bead part inflection point P to the center of the bead-core is from two to four times over a radius of curvature RF of the rim-flange circular part.
Patent JP-H0738846-A (JP)
Title: Video hard copy device
Inventor: SHIMOMURA SHINZO
IPC: H04N5/76
Filed: 1993-07-26
Abstract: PURPOSE:To eliminate the need to store software for generating a print command in a video terminal side, to eliminate the need for a signal line for transmitting the print command, and to eliminate the load of the generation and transmission of the print command by automatically generating the print command inside. CONSTITUTION:The video hard copy device is operated to store a reference image in a specific area of a frame memory 22 through an input circuit 21. Then the device is switched to a normal screen and the image of a CRT monitor is inputted at certain intervals of time and stored in another area of the memory 22. The inputted image data are a set of pixels, so the data are divided longitudinally and laterally by the specific numbers of pixels. A microprocessor 24 compares the divided pixels with the reference image to calculate the difference, and generates the print command when the number of sampling points where the difference exceeds a permissible value is larger than a prescribed number.
Patent JP-S57108671-A (JP)
Title: Frequeny detector
Inventor: TONE YOUICHI
IPC: G01R23/09
Filed: 1980-12-26
Abstract: PURPOSE:To permit the detection of frequency in a single phenomena of 1-2 cycles by operating an integrator at time intervals according to the cycle of an input signal with a square function generator adapted to square and feed back the output thereof to the integrator. CONSTITUTION:An input signal (a) is received and converted into a square wave (b) with a waveform shaping circuit 11 and a sampling pulse (c) of a fixed width is output from a monostable multivibrator 12. A signal (e) output from an addition integrator 17 by the pulse (c) is held with a sample hold circuit 19. Following the pulse (c), an initialized pulse (d) of a fixed width is output from a monostable multivibrator 14. According to the pulse (d), an initial value output from  a initial value setter 16 is applied to the integrator 17 and the output (e) thereof  is initialized to the initial value. Upon the completion of the initialization thereof, the integrator 17 receives the output (g) of a square function generator 18 to perform integration. The integration continues until the subsequent pulse (d) is input. As a result, a signal (h) proportional to current frequency is obtained from the circuit 19.
Patent JP-H057856-A (JP)
Title: Washing device for concrete placing pipe
Inventor: MIZUGUCHI HIROSHI
IPC: B08B9/04
Filed: 1991-06-28
Abstract: PURPOSE:To allow the washing of the inside of a tremie pipe without discharging washing water to the front end of the pipe and to allow the repetitive use of a cleaner sponge used for washing. CONSTITUTION:The washing device has a washing pipe 18 which is connected to a concrete press feed pipe 14 side and forcibly feeds the washing water by the discharge pressure of a water pressure feed pump 16, a cleaner sponge 20 which is inserted in the washing pipe 18 to block the inside thereof to the front and rear and is transferred toward the front end side of the tremie pipe 12 through the concrete press feed pipe 14 by the water pressure, and a sponge sensor 22 and valve 24 which are provided on the front end side of the tremie pipe 12. While a magnetic detection type proximity sensor is used for the sensor 22, a magnet 28 which is a body to be detected is embedded in the cleaner sponge 20.
Patent JP-H1129694-A (JP)
Title: Epoxy resin composition and its cured material
Inventor: KAJI MASASHI
IPC: C08L45/00
Filed: 1997-07-09
Abstract: PROBLEM TO BE SOLVED: To obtain both an epoxy resin composition excellent in moldability, providing a cured material having low hygroscopic properties, high heat resistance, high adhesivity to a different material and electric insulating properties and its cured material. SOLUTION: In this epoxy resin composition comprising an epoxy resin, a curing agent and a modifier as essential components, 100 pts.wt. of o the epoxy resin is compounded with 2-50 pts.wt. of an aromatic oligomer as the modifier which is obtained by subjecting monomers composed of an indene as a main component to cationic polymerization and has <=50 μS/cm electric conductivity of extraction water.
Patent JP-H0473232-A (JP)
Title: Pneumatic tire
Inventor: KIKUCHI MICHITSUGU
IPC: D02G3/48
Filed: 1990-07-13
Abstract: PURPOSE:To obtain the title tire markedly excellent in high-speed durability by using, as reinforcing cords in the form of e.g. belt plies, yarns comprising filaments each made up of polyester core, polyamide sheath and, between them, an intermediate layer with both the core and sheath materials mutually dispersed and mixed. CONSTITUTION:The objective tire can be obtained by using, as reinforcing cords in the form of belt plies and/or belt cap layer plies, yarns comprising filaments each 5 - 20 denier in fineness made up of (A) core 1 consisting of a polyester predominant in ethylene terephthalate unit, (B) sheath 3 with a thickness of 1 X 10<-4> to 7.5 X 10<-4> cm consisting of a polyamide component with the component A accounting for 30 - 70 wt.% of the whole filament, and, between the components A and B, (C) an intermediate layer 2 with both the polyester and polyamide components mutually dispersed and mixed at the weight ratio (30 : 70) - (70 : 30) with its thickness accounting for 10 - 30 % of the filament diameter.
Patent JP-H0357810-A (JP)
Title: Soot burning filter
Inventor: HANSUUDEIITAA SHIYUSUTAA
IPC: F01N3/022
Filed: 1990-07-13
Abstract: PURPOSE: To reduce mechanical and thermal loads of a filter by airtightly forming a region of a downstream side end part of a bulkhead on a device having a large number of passages end parts in the flowing direction of exhaust gas of an internal combustion engine of which are blocked and separated from each other by the porous bulkhead. CONSTITUTION: Exhaust gas flowing in through a passage 3 the inflow side of which is opened is forcibly changed in direction by a passage 6 the outflow side of which is opened and flows as carrier particulates are filtered by a bulkhead 5 made of a porous magnetic filter material as its outflow side end part is blocked by a stopper 4 on a soot incineration filter 1 a downstream side end part of an internal combustion engine of which is shown in the drawing. In this case, the bulkhead 5 is fomed airtight in a region 7 of a downstream end of a filter 7, and a catalyser layer 8 of the bulkhead 5 is terminated in a region on the upstream of the airtight region 7 of the bulkhead 5. Additionally, a fiber material extending in the longitudinal direction made of a ceramic material is buried in the bulkhead 5.
Patent JP-H0936794-A (JP)
Title: Spread spectrum communication relay system
Inventor: NUMAGAMI KOICHI
IPC: H04B1/707
Filed: 1995-07-20
Abstract: PROBLEM TO BE SOLVED: To attain relay of spread spectrum communication of the direct spread system in which a transmitter side frequency and a repeater side re-transmission frequency are identical. SOLUTION: A transmitter 1 throws a changeover circuit 1e to the position of transmitter side and sends data in the unit of frames and throws the circuit 1e to the position of a receiver side after the end of transmission by one frame and awaits the re-transmission signal from a repeater 2. A changeover circuit 2e is thrown to the position of a receiver side, the repeater receives a transmission signal from the transmitter to demodulate data by one frame. A 2nd relay processing control signal is added to the demodulated signal. Then the changeover circuit is thrown to the position of the transmitter side and the transmitter sends again data by one frame by the same frequency as the transmission frequency. After the re-transmission, the changeover circuit is thrown to the position of the receiver side and the receiver awaits succeeding frames from the transmitter.  The receiver 3 uses a data extract section 3c to extract data from the re-transmission signal. The transmitter in the standby state detects a 2nd relay processing control signal from the re-transmission signal (detection section 1d) and sends a succeeding frame.
Patent JP-2001014747-A (JP)
Title: Magneto-optical recording medium
Inventor: ISHII YOSHINOBU
IPC: G11B11/105
Filed: 1999-06-29
Abstract: PROBLEM TO BE SOLVED: To prevent decomposition of a resin protective layer caused by heating with laser light during recording and erasing, to prevent deposition of the resin component on a lens surface to decrease the laser efficiency and to improve the durability against repeated recording and erasing. SOLUTION: The magneto-optical recording medium M1 is produced by successively laminating a magneto-optical recording layer 4 consisting of an amorphous alloy of rare earth elements and transition metal elements and a resin protective layer 7 having >=300 deg.C initiation temperature of pyrolysis and <=500 nm thickness on a substrate 1. The medium is externally irradiated with recording and reproducing light on the resin protective layer 7 side.
Patent JP-H1024193-A (JP)
Title: Pump for washing machine
Inventor: MIHARA MASAMITSU
IPC: D06F39/08
Filed: 1996-07-15
Abstract: PROBLEM TO BE SOLVED: To drain water by simple operation and prevent freezing when priming water in a pump case may be frozen in a pump for a washing machine wherein priming water is stored in a pump case and can be autosucked from a water inlet. SOLUTION: A runner casing 14 which forms a volute chamber 15 communicating with a water inlet 21 is provided in a pump case 13 which can store priming water, and a runner 18 is provided in the runner casing in a rotatable manner. Priming water in the pump case 13 and air from the water inlet 21 are mixed and separated into water and air in the pump case 13 for autosucktion, and a drainage 27 having a drain button 30 which can open and close freely is provided in the Iowermost part of the pump case 13.
Patent JP-H0731474-A (JP)
Title: Production of spherical immobilized microorganism or immobilized enzyme
Inventor: OSAWA TAKEHIKO
IPC: C12N11/08
Filed: 1993-07-27
Abstract: PURPOSE:To provide a method in which a spherical immobilized microorganism or immobilized enzyme can be mass-produced without using a solvent having the possibility of adversely affecting the health of a human body such as an organic chlorine compound. CONSTITUTION:A monomer solution of a synthetic polymer containing a cross- linking agent and a microorganism or an enzyme is dropped into a viscous liquid, hardly mixable with water and having >=1P viscosity coefficient at 50 deg.C. The polymerizing reaction is initiated during the time of descending the monomer solution in the viscous liquid to simultaneously form a spherical immobilized microorganism or immobilized enzyme. The formed spherical immobilized microorganism or immobilized enzyme is discharged from the lower part of the viscous liquid or discharged with circulating water provided in the lower part of the viscous liquid or further subjected to the solid-liquid separation after discharging with the circulating water.
Patent JP-H0470767-A (JP)
Title: Image forming device
Inventor: GOTO SHINJI
IPC: G03G15/00
Filed: 1990-07-11
Abstract: PURPOSE:To rotate a drum shutter with a small force by rotating the drum shutter as a protective member with loading of a processing unit. CONSTITUTION:When a guide pat 16b of a processing unit 9 is inserted into a device main body so that it is moved along a guide surface 25a of a guide member 25, a projecting part 27b of a shutter arm 27 is abutted to a cam surface 25b and the shutter arm 27 is rotated in a clockwise direction. Therefore, the drum shutter 26 also starts to rotate in the clockwise direction while having its stance controlled by the shutter arm 28. Furthermore, if the processing unit is further inserted, the projection part 27b is abutted to a second cam surface 25c and the clockwise rotation is continued while being guided by this cam surface. Therefore, in a state where the insertion of the processing unit 9 to the lowest part of the guide member 25 is completed, the drum shutter 26 is in a state completely opened on a cleaner side, and a photosensitive drum 10 is exposed. Thus, the drum shutter can be rotated with a small force.