baber/WOPTO huggingface dataset:
Patent JP-H01178914-A (JP)
Title: Source device for multiple semiconductor laser light source device
Inventor: MIYAGAWA ICHIRO
IPC: H04N1/113
Filed: 1987-12-29
Abstract: PURPOSE:To enable respective laser beams to make incident on a deflecting surface as linear images by providing an optical system for incidence which has a cylindrical lens between each semiconductor laser and the polarizing surface, and making the direction of refraction by the cylindrical lens coincident with one of two directions where astigmatic difference is caused. CONSTITUTION:A laser beam 2 which is reflected by the deflecting surface 6a is entered in and converged by the cylindrical lens 8 which has focal length suitable to convergence on a convergence position P on a surface to be scanned. At this time, the laser beam travels through an optical path shown by a solid line in a figure unless a rotary polygon mirror slants, but the optical path moves to a position shown by a broken line if the deflecting surface 6a shifts in position to 6a' owing to surface inclination. Further, a laser beam in the optical path shown by the solid line is also emitted from the same point on the deflecting surface 6a, so a scanning lens 5 and the cylindrical converge both the solid-line laser beam and broken-line laser beam on the position P.
Patent JP-H04202074-A (JP)
Title: Ceramic substrate for thin film
Inventor: ENDO MITSUYOSHI
IPC: H05K1/03
Filed: 1990-11-30
Abstract: PURPOSE:To increase the accuracy of positioning of a photomask by forming recessed marks for positioning in the surface of a ceramic substrate on which a circuit layer is formed. CONSTITUTION:The required number of green sheets 1a of AlN, Al2O3, etc., are molded, through holes acting as via holes 3 after firing are pierced in the sheets 1a by punching or other method and holes acting as marks 4 for positioning a photomask are pierced in the sheet 1a for the uppermost layer. The through holes are filled with electrically conductive paste and a circuit layer is formed on the surface of each of the sheets 1a by printing with electrically conductive paste. The sheets 1a are then laminated, press-bonded and fired to obtain a ceramic substrate 1. A thin circuit layer 6 and a photosensitive resist film are successively formed on the substrate 1 and exposure through a photomask and etching are carried out to form a desired circuit.
Patent JP-H04200927-A (JP)
Title: Method and device for forming cold roll
Inventor: KINOSHITA HARUMI
IPC: B21D5/08
Filed: 1990-11-30
Abstract: PURPOSE:To obtain a high-accuracy plate thickness by bringing draw-forming rolls composed of horizontal rolls, side rolls and edge side rolls into contact with a formed material formed nearly in the final sectional shape. CONSTITUTION:The formed material 1 formed by rolls used as plate thickness nearly in a final sectional shape is passed through drawing rolls 10. In the compound 1, compressive stress acts on flange parts 1b of the formed material 1 through rolling reduction by horizontal rolls 11, 12, compressive stress acts on the web part 1a through rolling down by right and left side rolls 13, compressive stress acts on lip parts 1c through side rolls 13 and intermediate edge side rolls 14 and compressive stress in the direction of the plate width acts on the entire body of the formed material 1. Deformation of the material by the compressive stress is relieved in the corner with radius and the external dimension of the section of the formed material 1 takes a desired dimension corresponding to a roll caliber.
Patent JP-H03196420-A (JP)
Title: Twin-type contact device
Inventor: ICHIMURA YASUO
IPC: H01H1/18
Filed: 1989-12-25
Abstract: PURPOSE:To improve contact reliability by setting two contact points at separate positions from each other in the contact stable/stationary state. CONSTITUTION:A twin-type contact device C is formed so that moving contacts (other side contacts) 3, 3 are brought into contact with a fixed contact (one side contact) 1 at separate positions from each other in the contact stable/ stationary state. A possibility that a conduction obstacle generated during connection and disconnection actions is stuck to a range containing two contact points is decreased, and contact reliability is improved. Nearly center sections of moving contact plates 5, 6 with respective contacts 3, 3 are reversely bent into a dog-leg shape in the protruded direction to keep the distance between the moving contacts 3, 3, for example. The bent moving contact plates 5, 6 are brought into contact with the fixed contact 1 and slid in the reverse directions by elasticity.
Patent JP-H06185833-A (JP)
Title: Sealing method for temperature sensitive gas of expansion valve to temperature sensor
Inventor: SENDO ISAO
IPC: F16K31/68
Filed: 1992-12-16
Abstract: PURPOSE:To provide a method for gas-sealing an expansion valve easy to a temperature sensor in which a manufacturing cost of a step for sealing temperature sensitive gas can be reduced and the step can be automated. CONSTITUTION:A method for sealing temperature sensitive gas in an airtight chamber 26 formed oppositely to a diaphragm 25 which drives a valve disc 21 to control an operation of the disc 21 to alter an opening of a high pressure refrigerant channel 12 to be connected to an inlet of an evaporator, comprises the steps of filling the gas in the chamber 26 from a hole 27 formed at an outer wall of the chamber 26, then sealing the hole 27 with a plug 28 by a short-period strength while holding a state at the time of completing the filling, and then sealing the hole 27 from outside of the plug 28 by a permanent strength.
Patent JP-H05148538-A (JP)
Title: Production of reinforced ring
Inventor: MIYATA KUNIHIKO
IPC: C21D9/40
Filed: 1991-11-26
Abstract: PURPOSE:To produce the metallic reinforcing ring having high strength and high proof stress by forming the ring of a heat resistant alloy contg. Ni and Cr as essential components and subjecting this ring to a soln. heat-treatment by heating, then uniformly applying cold stresses over the entire part of the ring by a diameter expanding treatment. CONSTITUTION:The reinforcing ring to be used for retaining the rotor core of an electric motor is formed of the austenitic heat resisting steel contg., by weight %, 24 to 27% Ni, 13.5 to 16.0% Cr and min. ratios of others, such as V, Mo and Ti. This ring is subjected to a soln. heat-treatment by heating to such a temp. at which the ring is uniformly solutionized and thereafter, the ring is mechanically expanded in diameter, by which the cold stresses of 2 to 10% are uniformly applied to the entire part of the ring. Further, the ring is subjected to an aging heat treatment to precipitate and harden a gamma phase in the austenite base of the structure. The reinforcing ring having the high hardness, the high strength and the high proof stress is thus produced.
Patent JP-2001156966-A (JP)
Title: Image forming device
Inventor: MURAI HIROYUKI
IPC: H04N1/00
Filed: 1999-11-26
Abstract: PROBLEM TO BE SOLVED: To selectively open prescribed one part of the upper surface of an image forming part in stable state without expanding a device or increasing costs. SOLUTION: In ordinary using state, at the upper part of an image forming part 2 located in lateral main scanning direction, an image reading part 1 is located in lateral sub-scanning direction. The moving direction of an ink carriage in the image forming part 2 is made parallel with the moving direction of a scanner unit in the image reading part 1. All the upper surface of the image forming part 2 is covered with the image reading part 1 and an area occupied by an image forming device 100 is minimized. At the time of maintenance, the image reading part 1 is rotated at 90 deg. in respect to the image forming part 2. Prescribed one part of the upper surface of the image forming part 2 is exposed upward.  An opening part 4 is formed in such a prescribed part and on the upper surface of the image forming part 2, maintenance is performed from the opening part 4 exposed upward into the image forming part 2.
Patent JP-2000164401-A (JP)
Title: Chip resistor
Inventor: OKUDA SEIICHIRO
IPC: H01C7/00
Filed: 1998-11-26
Abstract: PROBLEM TO BE SOLVED: To provide a chip resistor in which a manufacturing process can be simplified, and backside mounting can be realized. SOLUTION: Recess 2a and 2b having slopes whose substrate thickness is decreased toward the edge faces are formed at the both edge parts of the upper face of a rectangular insulating substrate, and terminal electrodes 3a and 3b are formed on the slopes. Also, a resistor film 4 joined so as to be superimposed on the terminal electrodes 3a and 3b is adhered to the upper face of an insulating substrate 1. Preferably the thickness of the substrate at the top end parts of the slopes is 0.1 mm or less.
Patent JP-H03201370-A (JP)
Title: Method of improving process of fuel cell power generation
Inventor: YAMASE OSAMU
IPC: C01B3/48
Filed: 1989-12-27
Abstract: PURPOSE:To enhance the rate of recirculation of hydrogen by using in place of a transformer a gas separation film made from nonporous macromolecules, and processing a reformed gas at specific temperatures and pressure to separate carbon monoxide contained in the reformed gas. CONSTITUTION:During the process of fuel cell power generation comprising a desulfurizer 1, an adsorber 2, a reformer 3, a transformer and a battery 5, a nonporous macromolecular film or preferably a gas separation film 6 is used in place of the transformer and a reformed gas is processed at temperatures between 50 and 150 deg.C and at pressure of 2 to 10kg/cm<2>. As the gas separation film 6, a hydrogen separation film of polyimide type is used and a mixed gas whose raw gas composition is H2 69vol%, CO 20vol%, CO2 10vol% and CH41 vol% is used. Thereby the rate of recirculation of hydrogen is enhanced.
Patent JP-H07326945-A (JP)
Title: Linear atenuator for current mode digital/analogue converter(dac)etc.
Inventor: EICHI SUPENSU JIYAKUSON
IPC: H03M1/66
Filed: 1994-12-26
Abstract: PURPOSE: To form a linear attenuator for suppressing distortion and attaining high linearity. CONSTITUTION: The linear attenuator 23 for a front/rear acoustic fader can be programmed so as to receive an input current and attenuate the input current in accordance with an input code to an input node 29. A transistor(TR) 30 is connected between the input node 29 and the inputs of current direction control cells 40, 50, 60 and each control cell leads a part of the input current to an output node 32 or one of a 2nd node in response to the input code. An amplifier 22 has negative and positive input terminals connected to the input node 29 and reference voltage and an output terminal connected to the control electrode of the TR 30. Both the amplifier 22 and TR 30 regulate the voltage of the input node 29 and set up an input node 20 as a virtual ground node. Thus the distortion of the input current can be prevented and the necessity of preparing two D/A converters 21 can be avoided.
Patent JP-H03199903-A (JP)
Title: Apparatus for detecting looseness of transmission line
Inventor: IWAMA TAKAYUKI
IPC: G01B7/28
Filed: 1989-12-27
Abstract: PURPOSE:To correctly monitor the looseness of a power line at all times by receiving the result of detection by each sensor at a potential part of the earth and obtaining the distance between the lowest point of the lowest phase of the power line and the surface of the ground. CONSTITUTION:A looseness sensor 3 hung in the vicinity of a supporting point 11 of a transmission line 1 of the lowest phase forms a stray capacitance C1 between a sensor casing 31 and the surface 5 of the ground. Similarly, a looseness sensor 4 hung at the lowest point 12 forms a stray capacitance C2 between the casing 31 and the surface 5. Charging current measuring circuits 32 in the sensors 3, 4 measure the stray capacitances C1, C2 in the form of charging currents I1, I2, respectively. The currents I1, I2 measured by the circuits 32 are sent to a looseness operating device 6 as a radio signal via a radio antenna 34 by a radio transmitter 33. The device 6 obtains the distance between the lowest point 12 of the transmission line 1 of the lowest phase and the surface 5 of the ground with use of the result of detection of stray capacitances to the ground which is fed from the sensors 3, 4, thereby presuming the looseness.
Patent JP-S63225624-A (JP)
Inventor: MATSUKUSU AREN UEEBAA
IPC: C08G63/16
Filed: 1987-12-28
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H01178530-A (JP)
Title: Monomer release control method and molding material thereof
Inventor: MAAKU RIBUSEI
IPC: C08J7/04
Filed: 1987-12-29
Abstract: PURPOSE: To form a non-tacky protection surface on an unsaturated mold material by treating the unsaturated material which releases olefin monomer vapor during curing, with a specific coating composition to form a shattering film on the unsaturated material, decreasing the release of monomer vapor.  
     CONSTITUTION: The following treatment is applied to forming a film on an uncured material which release olefin monomer during curing and decreasing the release of this vapor into the atmosphere. This uncured material is treated with a surface coating substance containing at least one kind of polymeric olefin compound and a polymerizing catalyst, and the coating substance is at least partially cured in order to form a shattering film on the uncured substance. An especially preferable method is to form a surface coating film which is subject to faster photo polymerization than the uncured substance, and thereby the outer shattering film is formed before any curing of the base material, thus enabling the simultaneous polymerization of the whole part. 
     COPYRIGHT: (C)1989,JPO
Patent JP-H03198281-A (JP)
Title: Reproducing device
Inventor: ASANO TAKASHI
IPC: G11B15/087
Filed: 1989-12-26
Abstract: PURPOSE:To surely, simply and quickly specify a desired reproducing starting point and a desired reproducing ending point by shifting the reproducing starting point and the reproducing ending point respectively in a storage area via a shifting means and setting a repeat reproducing area accordingly. CONSTITUTION:At the time of reproducing by the reproducing device, when an (a)-(b) repeat button 3 is operated by listening to a particular music instrumental sound during the reproducing, the reproducing starting point A is set, and similarly the reproducing ending point B is set, and they are stored in a built-in CPU. Then, when a rehearsal repeat is performed to find that the reproducing starting point is deviated from the desired starting point, the reproducing starting point is shifted and corrected in the required direction by shifting means 2b and 2g of a tape driving mode changeover selecting part 2 without operating the button 3, and the reproducing ending point is also corrected in the same way. By this method, the desired reproducing starting point and ending point are surely, simply and quickly specified, and the repeat reproducing between them can be carried out.
Patent JP-H07185769-A (JP)
Title: Metallic mold device
Inventor: OTA ATSUSHI
IPC: B22D17/22
Filed: 1993-12-28
Abstract: PURPOSE:To hold the sealing property of heat medium in good condition by covering the outer periphery of a sliding member penetrating a hollow part and reaching a cavity and providing a sealing body between the tip surface of a shielding part protruded from a part of a metallic mold and a base plate. CONSTITUTION:Plural pieces of flow passages 22 penetrating the bottom wall of a master mold 10a and a base plate 14 are arranged in the inner part of the hollow part 20, and the heating medium such as cooling water or heating oil is circulated to execute the temp. control of the metallic mold 10. Further, in the metallic mold 10, an ejector pin 24 and a pressurizing pin 26 penetrating the hollow part 20 from the lower part of the master mold 10a and reaching the cavity 12 are slidably provided. The ejector pin 24 ejects a formed product from the cavity 12 after opening the mold, and the pressurizing pin 26 pressurizes molten metal at the time of casting. The cylindrical shield wall parts 30, 32 individually covering the pins 24, 26 are formed on the outer peripheral parts of both pins 24, 26 integrally with an insert 10b and the sealing body 34 is provided between each of end surfaces of the parts 30, 32 and the base plate 14. Therefore, the ejector pin 24 and the pressurizing pin 26 can be slid in the inner part of the hollow part 20 without coming into contact with the heat medium.
Patent JP-H05173736-A (JP)
Title: Printer provided with date printing function
Inventor: SOGA TAKESHI
IPC: G06F17/40
Filed: 1991-12-19
Abstract: PURPOSE:To improve work efficiency in the case of printing onto printing form by printing date data as well onto the printing form in addition to normal data. CONSTITUTION:A printer 32 is provided with an interface 11 to receive data 21 from a measuring instrument 33, reception buffer 12 to store the data 21 received by the interface 11 as data 22, line memory 15 to store the plural lines of data 23 for one line from the reception buffer 12, printing head 16 to receive data 26 from the line memory 15, timer 14 to count date and time at all times, and transformation control part 13 to extract the data from the timer 14 as data 25, to transform the data 25 of this date into data 24 in the same form as the data 23 from the reception buffer 12. Then, a control panel 31 is equipped with an operating button 31a as a switch for an instruction to print the date.
Patent JP-H05166191-A (JP)
Title: Optical pickup device
Inventor: MAEDA TAKANORI
IPC: G11B7/005
Filed: 1991-12-19
Abstract: PURPOSE:To obtain a high quality signal which contains the decreased noises and has a high SN ratio by providing a constitution where a signal interpolation circuit inhibits the operation of 8 read signal output circuit with output of a deciding signal showing the presence of noises and producing and outputting a read interpolation signal. CONSTITUTION:An arithmetic circuit 28 contains a differential amplifier 51. which outputs a difference signal obtained between an output signal SLD and an output signal SF. The difference signal of the amplifier 51 is inputted to a comparison decider 52. The decider 52 outputs the control signal SC to a signal interpolator 54 and a changeover switch 55 based on the difference signal. Meanwhile both signals SLD and SF are inputted to an adder 56, and the addition signal SA is outputted to the interpolator 54 and a signal delay circuit 53. The noises included in both signals are delayed with each other by a fixed time and therefore no correlation is generally confirmed between them. Thus it is decided that the mixture of noises is reduced when the differential result obtained by the amplifier 51 is smaller then the set value. Then the switch 55 is switched to the adder 56 and the circuit 53. Meanwhile the increase of the noise mixture is decided if the differential result is larger then the set value. Then the switch 55 is switched to the interpolator 54 respectively.
Patent JP-H10177258-A (JP)
Title: Production of electrophotographic photoreceptor
Inventor: MIYAMOTO MASAHIKO
IPC: G03G5/05
Filed: 1996-12-17
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing an electrophotographic photoreceptor which is uniform and is free form coating film defects by effectively preventing a liquid sag even if a coating liquid is adopted on a conductive substrate kept heated to a high temp. in convenience of treating process in production of the electrophotographic photoreceptor by a dip coating method. SOLUTION: This process for producing the electrophotographic photoreceptor includes a stage for forming a coating liquid layer by dip coating on the conductive substrate. The temps. in this process are so controlled that the relation between the average temp. of the conductive substrate and the coating liquid temp. and the relation between the upper part temp. and lower part temp. of the conductive substrate prior to coating satisfy 10 deg.C <= the average temp. (before coating) of the conductive substrate - the coating liquid temp. <= -1 deg.C and 3 deg.C >= the lower part temp. (before coating) of the conductive substrate -the upper part temp. (before coating) of the conductive substrate >= 1 deg.C.
Patent JP-H05168822-A (JP)
Title: Two-stage type cake peeling device in filter press
Inventor: YAMAGUCHI MASAJI
IPC: B01D25/12
Filed: 1991-12-19
Abstract: PURPOSE:To surely peel and remove even a cake having viscosity and to drastically improve the efficiency of a filtration work by giving two kinds of vertical vibration and microvibration to a filter cloth at two stage after the filtration work is finished. CONSTITUTION:The first filter cloth vibrators 10 of a vertical vibration type having hammers 12 are arranged respectively in the upper parts of the right and left body end-parts of hanging bars 5, 5 for mutually opposed to the filter cloths of the adjacent filter plates 1,1. Further, the second filter cloth vibrator 20 of a microvibration type described below is arranged in the upper part of the nearly central part of the hanging bars 5, 5 for filter cloths. The second filter cloth vibrator 20 is equipped with a vibrator 28, the elevating/lowering means 21 and the trapping means 29 of the hanging bars for filter cloths. Firstly, the right and left both end parts of the hanging bars 5, 5 for filter cloths are beaten by the actuation of the first filter cloth vibrator 10 in a state wherein the filter plates 1, 1 are opened. Vertical vibration is given to filter cloths 3, 3 and then microvibration is given to the hanging bars 5, 5 and filter cloths 3, 3 by the actuation of the vibrator 28 of the second filter cloth vibrator 20.
Patent JP-H05171686-A (JP)
Title: Roof structure and execution method thereof
Inventor: KAWAGUCHI MAMORU
IPC: E04B1/34
Filed: 1991-12-19
Abstract: PURPOSE:To reduce weight, and to reduce the cost of execution while improving the efficiency of execution work by assembling a girder structure, pulling a traction cable and floating the girder structure and executing the girder structure in aimed shape and height. CONSTITUTION:Traction cables 3, 3 are stretched between both ends of approximately arched girder structures 2, 2 forming the external shape of the roof of a large-scale building, interposing members 4, 4 are installed among the girder structures 2 and the traction cables 3, and sections among both girder structures and traction cables are brought to an aimed distance. The girder structure 2 is constituted by rotatably connecting two or more of girder bodies formed in rigidity. One ends are mounted to the base end section of the roof and the girder structures 2 are assembled, and the girder structures 2 are floated by pulling the traction cables 3 by traction mechanisms 5, and executed in aimed shape and height.
Patent JP-H04205402-A (JP)
Title: Method and device for determining work holding position
Inventor: WADA YASUSHI
IPC: G05D3/12
Filed: 1990-11-30
Abstract: PURPOSE:To make it unnecessary to form a user program and to precisely determine a work holding position by calculating the work holding position based upon relative position relation using a centroid position as a reference. CONSTITUTION:An image processing part calcualtes the centroid position G of a sample work based upon a binary image. Then the processing part calculates the inertia main axis A1 of the sample work also based upon the binary image, reads out an angle beta and a distance (d) from a memory or the like and calculates a contact position X which is a work holding position based upon the calculated centroil position G and inertia main axis A1 and the read angle beta and distance (d). Then whether the calculated position X relatively coincides with a teaching position to the sample work or not is discriminated. Thereby the formation of a user program is made completely unnecessary, and since the determination of the work holding position can be attained only by one specification of the holding position based upon a sample work, working efficiency can be improved.