baber/WOPTO huggingface dataset:
Patent JP-H07281173-A (JP)
Title: Rear projection type liquid crystal
Inventor: YONEDA KOICHI
IPC: G02F1/1335
Filed: 1994-04-08
Abstract: PURPOSE:To provide a rear projection type liquid crystal projector which is constituted so that the illuminance of a screen is enhanced and whose constitution is simple. CONSTITUTION:This liquid crystal projector is constituted so that the illumination light of a light source 5 is modulated by a liquid crystal panel 10 and a picture formed on a transmission screen 3 by a projection lens 9 is observed from an opposite side to the projection side of the screen 3. Then, one black- and-white panel is used as the panel 10 and the screen 3 is provided with a three-color filter 31 according to a pixel formed on the panel 10.
Patent JP-S52155057-A (JP)
Title: Glass sealed type semiconductor device
Inventor: MATSUZAKI MITSUSACHI
IPC: H01L23/48
Filed: 1976-06-18
Abstract: PURPOSE: To assure hermetic sealing by providing flange parts of an outside diameter larger than that of head parts leaving a fixed spacing from the head parts of the leads which have a larger coefficient of thermal expansion than silicon and glass and are covered with a film being nonadhesive to glass and enclosing the portions between the flange parts with sintered glass after securing a pellet to the head parts with low melting point brazing materials. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S62227138-A (JP)
Title: Slit exposure illuminating device
Inventor: TAMARU SHUJI
IPC: G03B27/50
Filed: 1986-03-28
Abstract: PURPOSE:To reduce a dislocation of a light source and a variation of illuminance of a part to be illuminated, caused by a shape error of a reflecting mirror, and to obtain a prescribed illuminance distribution, by constituting the reflecting mirror by plural convex secondary curved surfaces at a light source side, and placing each secondary curved surface at a position and an angle for reflecting light beams from the light source, in the direction of the part to be illuminated. CONSTITUTION:Each secondary curved surface 4a-4h has a circular arc section, and placed at a position and an angle for reflecting light beams from a light source 1, in the direction of a part to be illuminate 3a. That is to say, the secondary curved surfaces 4a-4h are provided in a shape being adjacent to each other, at a position for surrounding a range of 270 deg. of the periphery of the light source 1, and each angle is determined so that light beams which have been reflected by the center of the secondary curved surface among the light beams which have been emitted from the light source 1 are made incident on the part to be illuminated 3a. Also, a radius of curvature and a size of the secondary curves surfaces 4a-4h are determined, as well. When a dislocation of the light source 1 has been generated, a position of a virtual image 1' is also sifted, but in accordance with a ratio of a size of the light source 1 and the virtual image 1', the quantity of a dislocation of the virtual image 1' is small, and in case of a usual dislocation, the virtual image 1' does not go off from a range of theta. In this way, the illuminance of the part to be illuminated 3a is scarcely changed.
Patent JP-S61230874-A (JP)
Inventor: ABE YOSHIMITSU
IPC: E21B7/02
Filed: 1985-04-04
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-S63237947-A (JP)
Inventor: MIYAJI SHINICHIRO
IPC: B32B27/08
Filed: 1987-03-27
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-H04310250-A (JP)
Title: Air filter and method for mounting the same
Inventor: MURATA MASAO
IPC: B03C3/40
Filed: 1991-04-04
Abstract: PURPOSE:To provide a thin air filter enhanced in safety and made easy in the mounting on various machineries such as an air purifier or the like and to achieve the enhancement of the dust collecting capacity of an electrostatic filter material and the extension of the life thereof. CONSTITUTION:An air filter is constituted of a flat plate-shaped high voltage electrode 5 provided with many venting pores 1, a low voltage electrode 4 arranged in parallel to said electrode 5 and provided with venting pores 2 smaller than those of the high voltage electrode 5 and the electrostatic filter material 6 arranged between both electrodes. Further, by mounting the air filter 4 so that the high voltage electrode 15 is arranged on the side of the blower 13 of an air purifier 9, a conductive wire can be brought to the state touching with the low voltage electrode 4 and the electric shock due to the high voltage electrode 5 can be prevented and a highly safe structure wherein the high voltage electrode 15 is surrounded by earth potential can be obtained.
Patent JP-H11267101-A (JP)
Title: Visual field measuring method and apparatus
Inventor: SUZUKI TAKAYOSHI
IPC: A61B3/024
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To enable measurement of a reliable flicker perimetry without making a subsect feel uneasy. SOLUTION: First and second targets 30 and 30' the same in size are so formed that a background 31 of a specified color C is formed and colors A and B differ from each other while presenting the same color as that of the background with the same brightness when overlapped. The first and second targets are displayed being alternately overlapped at a specified position of the background by varying the cycle N thereof. When the cycle is short, the targets present the same color and brightness as those of the background, eventually causing no flickering, which will not allow a subject to recognize the existence of the targets and as a result, he can hold fixation without instability the while. A longer cycle causes a flickering in the targets permitting the examinee to easily respond to it.  This enables accurate determination of a flicker perimetry based on the cycle and the frequency of the flickering.
Patent JP-2000270570-A (JP)
Title: Oscillatory wave motor drive controller, drive control method, and storage medium
Inventor: ITO JUN
IPC: H02N2/00
Filed: 1999-03-17
Abstract: PROBLEM TO BE SOLVED: To drive an oscillatory wave motor under the condition that the energy conversion efficiency is high at all times. SOLUTION: A pulse width determining section 11 and a start frequency determiner 19 are equipped with corresponding tables which store the range of the drive frequency when the electrical-mechanical energy conversion efficiency of an oscillatory wave motor 14 is in a prescribed range, and also store the drive frequency corresponding to the objective velocity of the oscillatory motor 4 and the pulse width, and they select the drive frequency in the prescribed range out of the drive frequency corresponding to the designated objective velocity, referring to the corresponding tables, when the objective velocity is designated and read out the pulse width corresponding to the selected drive frequency. A pulse generator 12 generates a plurality of pulse signals different in phases, based on such drive frequency and pulse width.  A booster 13 makes a frequency signal, based on a plurality of pulse signals outputted from the pulse generator 12, and drives the oscillatory motor 14.
Patent JP-H08268375-A (JP)
Title: Power assisted bicycle
Inventor: YAMAUCHI KOSAKU
IPC: B62M6/45
Filed: 1995-03-29
Abstract: PURPOSE: To accurately control an assistance ratio at a constant ratio at all times, simplify a structure for high productivity and provide a compact and lightweight structure. CONSTITUTION: A crankshaft 33 and an electric motor 55 to generate assistance power are provided, together with a resultant force shaft 84 journalled to a crankshaft 33 in parallel thereto in such a state as freely rotatably, a pedal stepping force transmission mechanism 102 to transmit a pedal stepping force from a direction orthogonal with the axial direction of the shaft 84, an assistance power transmission mechanism 101 to transmit assistance power from a direction opposite to the pedal stepping force, and a resultant force output mechanism 103 to output the torque of the shaft 84 to a driving wheel.  Also, a control means is provided for computing the assistance ratio of assistance power to the pedal stepping force on the basis of the magnitude and direction of moment values inputted from a moment detection means 106 to detect a difference between two types of moment acting from opposite directions as a result of the transmission of the pedal stepping force and the assistance power.
Patent JP-H04307392-A (JP)
Title: Analog clock
Inventor: MASUYAMA MITSUO
IPC: G04C9/08
Filed: 1991-04-04
Abstract: PURPOSE:To enable on-the-hour correction to be performing with one-touch operation. CONSTITUTION:A reference signal generation portion 3 which oscillattes at a fixed frequency, a time display 9 with a band driven by a stepping motor, a control circuit 6 which generates a drive signal of the stepping motor by dividing a reference signal, a reset switch 12 which generates an on-the-hour reset signal, and a minute band position detection sensor 13 for detecting whether the minute band is located within a first range from the one-the-hour to a specified display value or within a second range up to the one-the-hour are provided. Functions for generating a fast-rewind drive pulse signal of a stepping motor for returning the minute band to on-the-hour by receiving the one-the-hour reset signal when the minute band is within the first range and for generating a fast-forward drive pulse signal of the stepping motor to enabling the minute band to reach the one-the-hour by receiving the one-the-hour reset signal when the minute band is located within the second range are provided at a control circuit 6, thus enabling the band to be moved and corrected to the on-the-hour position with only a press of the one-the-hour reset switch 12.
Patent JP-H03272620-A (JP)
Title: Method for artificial cultivation of mushroom
Inventor: KANEKO MITSURU
IPC: A01G1/04
Filed: 1990-03-23
Abstract: PURPOSE:To provide both better yield and quality than those of conventional products by regulating the grain size of a culture medium in the lower layer to 2 times or more as large as that of a culture medium in the upper layer regarding the culture medium contained in a cultivation vessel. CONSTITUTION:Mushrooms are cultivated by placing a culture medium in a cultivation vessel. In the process, the grain size of the culture medium in the lower layer is regulated to >=2 times or more, preferably >=4-5 times as large as that of the culture medium in the upper layer. Furthermore, the grain size of the culture medium in the lower layer is more preferably 5-20 mesh and that of the upper layer is more preferably 40-60 mesh. A mixture of mainly sawdust with rice bran is used as the culture medium.
Patent JP-S52154315-A (JP)
Title: Monitor information display system
Inventor: SENOO TAKANORI
IPC: G06F3/048
Filed: 1976-06-17
Abstract: PURPOSE:To prevent the queue buffer flow by securing a coincidence between the information processing velocity and the information generation velocity.
Patent JP-H09256517-A (JP)
Title: Connector of panel or the like
Inventor: UNO CHITOSHI
IPC: E04B2/74
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a low cost connection device which is simple in a structure and easy to assemble or disassemble. SOLUTION: Two upper and lower engagement portions are bored with a spacing on each opposed end face of partition panels 1 which are adjacent to each other. In the engagement portion of the upper part, a pair of division wedges 5 having a locking piece engaged in the downward direction is bound with a wedge-like guide 9, which is engaged with the engagement portion of the lower part and draws mutually each of the panels 1 and clamps them firmly by interfering with the slope of the division wedge 5, with a bolt 10.
Patent JP-H04284248-A (JP)
Title: Roller exchanger
Inventor: JIYOUTOU YOSHINORI
IPC: B41F9/18
Filed: 1991-03-13
Abstract: PURPOSE:To provide a roller exchanger, which can correspond even to any roller exchange to be exchanged by simplified constitution and in which a burden applied to an operator is reduced. CONSTITUTION:A roller exchanger has a roller placing section 3, on which a roller to be exchanged installed onto a movable machine base 2 can be placed, a manipulator 5 handling the roller to be exchanged and the control section 6 of the manipulator. A roller exchanger is moved toward a machine, to which an old roller is mounted, the manipulator is operated on the basis of the command of the control section, and handles the oil roller, the old roller is detached and shifted from the machine mounting section and put on the roller placing section, a new roller previously placed on the roller placing section is handles, and moved from thr roller placing section to the machine mounting section and set up to a machine, the roller exchanger is shifted so as to be retreated from the machine, and the old roller, put on the roller placing section is recovered.
Patent JP-H10266015-A (JP)
Title: Production of fluororesin porous hollow yarn
Inventor: SATO YOSHIAKI
IPC: B01D71/36
Filed: 1997-03-25
Abstract: PROBLEM TO BE SOLVED: To produce a porous hollow yarn of a fluororesin suitable for a filtration membrane, a dialytic membrane, a gas separation membrane, a reverse osmosis membrane, an ultrafiltration membrane or a precise filtration membrane. SOLUTION: At least one fluororesin is kneaded with a solvent-soluble resin having the affinity for or the compatibility with the fluororesin to form a solid material, which is then molded into a hollow form with an extruder, then heat- treated at the melting point of the fluororesin or above and further dipped in a solvent to dissolve the solvent-soluble resin and provide a porous material. Otherwise, the surface of a core wire 1 is coated with the resultant solid material with the extruder or the core wire 1 coated with at least one layer 2 thereon is drawn together with the core wire 1, then heat-treated at the melting point of the fluororesin or above and further dipped in the solvent to dissolve the resin soluble in the solvent and form the porous material. The core wire 1 is subsequently drawn and removed.
Patent JP-H0582342-A (JP)
Title: Thin film for magneto-resistance effect element and its manufacture
Inventor: KAMIJO ATSUSHI
IPC: H01F10/08
Filed: 1992-02-24
Abstract: PURPOSE:To realize an artificial Co/Cu lattice film which is free from hysteresis by alternately forming cobalt and copper layers on a single-crystal sapphire substrate by epitaxial growth. CONSTITUTION:This thin film for magneto-resistance effect elements is formed by forming an artificial lattice film by alternately forming cobalt (Co) layers and copper (Cu) layers directly on a (0001) single-crystal sapphire substrate 1 or on an epitaxial buffer layer 5. The thin film for magneto-resistance effect elements is formed by forming the grown planes of the cobalt and copper so that the <-12-10> direction of Co and <-110> direction of Cu and the <10-10> direction of Co and <22-1> direction of CU can respectively have parallel epitaxial relations on the (0001) plane of the hexagonal crystal of Co and face centered cubic crystal of Cu. Therefore, the thin film for magneto- resistance effect elements made of an epitaxial artificial Co/Cu lattice having no hysteresis in its magnetic resistance can be obtained.
Patent JP-S61230514-A (JP)
Title: Pulse eliminating circuit
Inventor: MATSUSHITA TAKAKI
IPC: H03K5/1252
Filed: 1985-04-05
Abstract: PURPOSE:To eliminate a noise pulse and to avoid the change in the input/output pulse width by providing the 1st and 2nd gate circuits to which an input pulse and its delay pulse are inputted and a storage circuit inputting a signal from both the circuits. CONSTITUTION:An input pulse from an input terminal 30 is delayed by gate circuits 1, 2 and 3, 4 and the input pulse, an output of the circuit 2, and an output of the circuit 4 becomes respectively the input to gate circuits 5, 6. The output of the circuit 5 and an output being the inversion of the output of the circuit 6 are inputted to an RS latch circuit comprising gate circuits 5, 6. The RS latch circuit outputs the output of the circiut 8 to an output terminal 31, set by a trailing trigger of the output of the circuit 5 and reset by the trailing of the circuit 7, then the input/output pulse width is unchanged. When the pulse width of each signal is shorter than the delay time of the circuits 1-4 while the input to the terminal 30 is a noise pulse, since the output of the circuit 5 is unchanged and the latch circuit is unchanged, no noise pulse is produced at the output.
Patent JP-S57190199-A (JP)
Title: Preventive device of roll over in low temperature liquid storage tank
Inventor: TAKAGISHI YASUHIRO
IPC: F17C13/12
Filed: 1981-05-15
Abstract: PURPOSE:To prevent a roll over in a low temperature liquid storage tank, by opening  both upper and lower ends of a heat exchanger, forming cross sectional area of the  heat exchanger smaller in its lower part while larger in its upper part and arranging  said heat exchanger in the storage tank. CONSTITUTION:A horn shaped heat exchanger 10, in which a lower end opening is  narrowed and cross sectional area is spread increasing gradually toward an upper end  opening, is arranged in a cylindrical low temperature liquid storage tank T. If high  temperature liquid, slightly at higher temperature than of liquid in a low temperature liquid tank 2 further with larger specific gravity than said liquid, is injected through a  pipe line P, a high temperature liquid layer 3 is formed to a lower layer in the storage  tank T, and a low temperature liquid layer 2 is overlapped on the layer 3, fianlly only a low temperature liquid layer 2' in the heat exchanger 10 is lifted by the high temperature liquid layer 3, thus thickness of the liquid layer is gradually reduced. As a  result, heat exchanging area, separately contacted with an external wall of the heat  exchanger 10, between the high temperature liquid layer 3 and low temperature liquid  layer 2, is particularly increased, and a thermally stable neutral condition can be  generated in the storage tank T.
Patent JP-S54162516-A (JP)
Title: Reciprocating type cassette tape recorder
Inventor: WADA HAJIME
IPC: G11B15/02
Filed: 1978-06-13
Abstract: PURPOSE: To prevent the increase in wow and flutter by sensors accompanied with vibrations by forcefully moving the take-up reel side sensor from the tape in cooperation to a driving mechanism changeover lever.  
     CONSTITUTION: Since the upper sensor 1' which becomes the final end of a tape is pushed leftward by tape tension, a connecting plate 16 turns leftward about the lower sensor axis 28 fixed by a sensor control lever 19 and drives a start lever 17 which in turn causes the gears 22, 24 of a driving inversion mechanism 21 to engage to changeover the driving mechanism changeover lever 9 in the clockwise direction. As a result, the upper pinch lever 8' is released, causing a pinch roller 5' to be pressure-contacted to a capstan 10' and the tape to move from the lower feed reel 4 to the upper take-up reel 3. At the same time, the lever 19 turns counterclockwise in cooperation to the lever 9 and therefore the sensor 1' goes apart and the lower sensor 1 makes contact to the tape 2. Then, the tape fluctuations through the take- up reel side sensor are no longer transmitted, hence the increase in wow and flutter is prevented. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H07278837-A (JP)
Title: Surface treated steel sheet excellent in resistance against color change at high temperature
Inventor: TSUJI MASANORI
IPC: C25D3/56
Filed: 1994-04-11
Abstract: PURPOSE:To produce a surface treated steel sheet showing only little change in the color tone before and after heat treatment so that the sheet without coating can be used after even heat treatment. CONSTITUTION:A chromate film 14 is formed on a Zn-Ni electroplated steel sheet 10 having a plating film of 5-40g/m<2> coating weight with 9-15% Ni content. The chromate film 14 contains Cr between >=10mg/m<2> and <=120mg/m<2> amt. and silica sol having 5-50nm particle size with the SiO2/Cr ratio between 2.5 to 4.5 and with Cr<6+>/all Cr ratio between 0.10 to 0.70. The obtd. product shows little change in the color tone even when the product is heated for thermal shrinking process or the like.
Patent JP-S59197185-A (JP)
Title: Distribution feedback type semiconductor laser
Inventor: KITAMURA MITSUHIRO
IPC: H01S5/12
Filed: 1983-04-25
Abstract: PURPOSE:To sufficiently suppress the Fabry-Perot mode in a short element length in a distribution feedback type semiconductor laser by a method wherein the one end of a mesa strip including an active layer is buried in a semiconductor layer and a photoabsorbing layer is provided opposite thereto. CONSTITUTION:An N type In0.72Ga0.28As0.61P0.39 optical guide layer 3 and an In0.59Ga0.41 As0.9P0.1 active layer 4 are formed on the (100) face of an N type InP 1, on which a diffraction grating 2 has been provided in the <011> direction, and an N type InP clad layer 5 is accumulated at low temperatures of 600 deg.C or thereabouts for protecting the diffraction grating 2 from thermal deterioration. An etching is selectively performed, and grooves 7 and 8 interposing a mesa strip 6 including an active layer 4R between the grooves 7 and 8 and a mesa 10 including a photoabsorbing layer 4A are formed. The mesa strip 6 is terminated at one end 9, the mesa 10 including the photoabsorbing layer 4A is provided in a prescribed form, keeping a prescribed distance, the grooves are buried with a P type InP current blocking layer 11 and an N type InP current blocking layer 12, and a P type InP 13 and a P type In0.85Ga0.15As0.33P0.67 electrode layer 14 are accumulated. When an electrode is attached and a pellet is cut out, according to this constitution, the Fabry-Pelot mode can be sufficiently suppressed even though the element length is 300mum or thereabouts.
Patent JP-S57186740-A (JP)
Title: Battery storage device of lens barrel sliding type camera
Inventor: TAKAHAMA SHIYOU
IPC: H01M2/10
Filed: 1981-05-12
Abstract: PURPOSE:To stabilize a camera body during photography by lowering its center of gravity while utilizing a dead space effectively, by forming a battery storage chamber in a guide bar. CONSTITUTION:In a guide bar fitted and fixed in the engagement hole 12 of the base 4 of a camera body 3, a storage chamber 15 for storing a battery case 14 is formed. At the rear end part of the engagement hole 12, a coil spring 17 for energizing the battery case toward the tip and serving as a terminal is supported by an insulating plate 18. The tip opening 21 of the guide bar is covered with a conductive screw cap 23 for manual operation provided with a conductive plate 22 at the internal bottom. For replacing a battery 13, the screw cap 23 is removed and after the battery case is taken out, a conductive cap 34 for manual operation is removed and the battery is replaced.
Patent JP-2000264829-A (JP)
Title: Emulsion composition
Inventor: KURIMURA HAJIME
IPC: A61K8/00
Filed: 1999-03-17
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition which is useful for improving undesirable skin conditions such as dry skin and an atopic dermatitis by including a specific copolymer, ingredient(s) such as galactosylceramide, and ingredient(s) such as an amino acid, etc. SOLUTION: This composition is obtained by including (A) a copolymer of acrylic acid and an alkyl methacrylate, preferably at 0.15 wt.%, (B) at least one ceramide selected from galactosylceramide and glucosylceramide, preferably at 0.050.5 wt.%, (C) an oily component such as squalane, and (D) at least one ingredient selected from (i) amino acids such as trimethylglycine, preferably at 0.01-10 wt.%, (ii) α-hydroxy acids such as glycolic acid, preferably at 0.01-5 wt.% and (iii) trehalose, preferably at 0.01-10 wt.%. This composition is useful as a cosmetic or the like.