baber/WOPTO huggingface dataset:
Patent JP-S5975565-A (JP)
Title: Fuel cell and its manufacturing method
Inventor: SEKI TOSHIAKI
IPC: H01M8/02
Filed: 1982-10-21
Abstract: PURPOSE:To prevent the deterioration of characteristics and obtain a fuel cell with long term excellent stability by using a high temperature acid treated matrix material and an electrolytic matrix that is molded by kneading phosphoric acid and fluorine series polymer. CONSTITUTION:A fuel cell is formed by providing fluid fuel and oxide paths that are adjacent to a pair of electrodes through an electrolytic matrix. In the production of the electrolytic matrix used in this cell, a matrix material made of silicon nitriding and such is acid-treated at high temperature using hydrochloric acid, sulfuric acid, phosphoric acid, and such. Fluorine series polymer as a sticking agent and the specified amount of phosphoric acid exceeding the concentration of 95% are added to this matrix material and are kneaded and then molded into a sheet type matrix by applying specified pressure. Since this matrix has high hydrogen ion conduction, the deterioration of characteristics can easily be prevented. As a result, a fuel cell with long term stability and high reliability can be obtained.
Patent JP-S6077966-A (JP)
Title: Method for preventing cracking of aluminized steel sheet during working
Inventor: ISHIDA HIDEAKI
IPC: C23C2/26
Filed: 1983-10-05
Abstract: PURPOSE:To prevent the cracking of the Al layers of an aluminized steel sheet during working by subjecting the surfaces of the steel sheet to shot blasting with fine powder and by blowing pressurized water or compressed air to clean the surfaces. CONSTITUTION:A steel sheet is dipped in a molten Al-Si alloy consisting of 7- 9wt% Si, 90.5-92.5wt% Al and the balance Fe to form Al alloy layers with superior heat resistance on the surfaces of the steel sheet. The surfaces of the steel sheet are then subjected to shot blasting with hard powder of silica, alundum or the like under 1.5-5kg/cm<2> ejection pressure for 3-6sec, and pressurized water or compressed air is blown to clean the surfaces. The cracking of the Al alloy layers of the steel sheet can be prevented during working.
Patent JP-H0825954-A (JP)
Title: Vehicular air conditioner
Inventor: SAWADA MASAO
IPC: F24F13/15
Filed: 1994-07-15
Abstract: PURPOSE:To increase the operation speed of an air conditioner for quickly cooling an occupant or causing the cooling air to reach a farther position for the improvement of temperature distribution by concentrating the conditioned air as desired. CONSTITUTION:A diffuser outlet 40 is fitted with a guide 41 and a lever 43 is operated to selectively move the guide 41 between a normal diffusion position shown in the illustration (A), and a speed increasing position in the illustration (B) to increase blow speed via the throttling of a diffusion passage.
Patent JP-S5887844-A (JP)
Title: Manufacture of semiconductor device
Inventor: SHIRAI KIYOSHI
IPC: H01L21/306
Filed: 1981-11-20
Abstract: PURPOSE:To suppress the side etching of a through-hole and erosion of a metal wiring layer to  the minimum of the semiconductor device by a method wherein a hole for the judgement of  finishing the etching having the shape and size nearly the same with and/or different from the  through-hole is arranged on the part of a silicon substrate under a passivation film formed as  to cover the metal wiring layer and the silicon substrate, and is used as the criterion of the completion of etching. CONSTITUTION:When the outside electrode-lead out window (the through-hole) 14 is to be bored  by etching in the SiO2 sputtered film 13 of uniform thickness formed so as to cover the semiconductor substrate 10, a thermal oxide film 11 and the metal wiring layer 12, the hole 41 for  judging the finishing of etching is etched at the same time. The hole 41 for the decision of the  conclusion of etching is positioned at the part where the SiO2 sputtered film 13 is coming in  contact directly with the semiconductor substrate 10, and is formed so as to have size and the  shape nearly the same with the outside electrode lead out window 14. Therefore the etching  speed of the outside electrode lead out window 14 and the etching speed of the hole 41 for  judging the finishing of etching are substantially equal. Accordingly, because the groundwork  is the semiconductor substrate 10, namely silicon, at the part of the the hole 41 for the decision  of the conclusion of etching, the judging of a point of time of the finishing of etching is facilitated based upon the condition of draining of wafer.
Patent JP-H0936818-A (JP)
Title: Communication terminal equipment
Inventor: TOKUNAGA TAKUYA
IPC: H04B15/02
Filed: 1995-07-21
Abstract: PROBLEM TO BE SOLVED: To reduce environmental noise, to enable the communication of the voice signal that the user of a communication terminal equipment inputs in a voice input device and to enable clear communication even when environmental noise is large by performing a signal processing for only the frequency band of a true voice signal. SOLUTION: In the voice signals that a voice input device 101 fetches, a true voice signal and environmental noise are included. Because the frequency band which is specific to the true voice signal that the user of a communication terminal equipment inputs in the voice input device 101 is clear for the user himself, the information on the frequency band is instructed to a communication terminal equipment body 100 by a key input device 114. When the instruction is received, an instruction to discriminate the only frequency band specific to the true voice signal inputted in a key input device 1 14 from other voice signals of other frequency bands is performed from a whole control part 116 to a frequency band discriminating part 105.  In accordance with the instruction from the whole control part 116, the frequency band discriminating part 105 discriminates the voice signal of the frequency band that the user inputs in the key input device 114 and the voice signal of the frequency band except the frequency.
Patent JP-S6341068-A (JP)
Title: Manufacture of semiconductor device
Inventor: YAMAGUCHI KIYOSHI
IPC: H01L27/108
Filed: 1986-08-06
Abstract: PURPOSE:To uniformly form an insulating oxide film and a gate oxide film in a good shape thereby to obtain a dynamic memory having high insulating breakdown strength and preferable characteristics by using a plasma oxidation to form an insulating oxide film between a capacity electrode and a transfer gate and a gate oxide film of the transfer gate. CONSTITUTION:A silicon substrate 1 is thermally oxidized to form an oxide film 2, and a nitride film 3 is then grown on the film 2. A polycrystalline silicon film is deposited on the film 3, and a capacity electrode 4 is formed with an oxide film 5 as a mask. Then, the whole surface is oxidized in the same degree in both the nitride film surface and the polycrystalline silicon film surface, and an insulating oxide film 6 of preferable shape is formed uniformly on the polycrystalline silicon film side of the electrode 4 near the film 3. Then, with the films 6 on the front and side surfaces of the electrode 4 as masks the part on the film 3 of the film 6, the film 3, and the film 3 are sequentially removed by etching. Further, a gate oxide film 7 is formed on the substrate 1. After a polycrystalline silicon film is grown, a transfer gate 8 is formed by etching.
Patent JP-H0638535-A (JP)
Title: Three-phase pwm inverter device
Inventor: KAMITSURA TETSUNORI
IPC: H02M7/48
Filed: 1992-07-14
Abstract: PURPOSE:To improve an efficiency of an inverter by enhancing a DC voltage utilization ratio of a three-phase PWM inverter device. CONSTITUTION:An output signal of a deformed third harmonic wave oscillator 18 for oscillating a signal resulting from cutting a harmonic wave having reverse polarity to that of a sine wave is combined with a sine wave signal of a reference sine wave oscillator 27 to be compared with a triangular wave of a triangular wave oscillator 30.
Patent JP-S61106390-A (JP)
Inventor: SOINI SODERENA
IPC: B66C13/08
Filed: 1985-08-23
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-S6342241-A (JP)
Title: Phase jitter suppressing circuit
Inventor: OOTA TAKAHISA
IPC: H04L7/02
Filed: 1986-08-07
Abstract: PURPOSE:To effectively suppress a phase jitter by estimating and controlling a next observation time point, and the most probable receiving timing phase during he subsequent one period, by using the minimum square error algorithm from a new data and many phase difference data in the past. CONSTITUTION:A fixed frequency divider 7 divides a regenerated clock outputted from a variable frequency divider 2, to the observation period of a phase comparator 8, and the phase comparator 8 detects the phase difference of an output of the fixed frequency divider 7 and a receiving timing input from an input terminal 4 and outputs it as a digital data. A CPU 9 calculates a phase difference data inputted at a prescribed period from the phase comparator 8, by using the minimum square error algorithm, and estimates a receiving timing phase during one period from the next observation time point. A coincidence detecting circuit 11 compares the bit output of each stage of the fixed frequency divider 7, with the corresponding bit output of a register 10, outputs an output pulse, when all bits are coincided, and inputs it to the 'advance phase' input terminal of the 'lag phase' input terminal of the variable frequency divider 2, through a changeover switch 12.
Patent JP-S6429732-A (JP)
Title: Method and device for continuously measuring viscosity of fluid in line
Inventor: NOMURA IKUO
IPC: G01N11/16
Filed: 1987-07-24
Abstract: PURPOSE:To directly and continuously measure the viscosity of a fluid without providing a bypass, and to simplify the device at low cost by leading the fluid to a measuring tank of the outside so as to hold the same level as the upper face of the fluid in a mixing tank. CONSTITUTION:A capsule B is floated by a float on the upper face 29 of a fluid in a measuring tank 9. In such a case, a sensitive plate of the capsule B is inserted into prescribed depth from the fluid upper face 29. Such a depth can be adjusted from the outside by graduation of the outside surface of the float, by bringing a vibration type viscometer to an up-and-down motion by turning a screw of the capsule B. By an inflow control valve 5 and a discharge valve 6, the liquid quantity in a mixing tank 2 increases or decreases, and by following it, the liquid level in the measuring tank 9 also moves up and down, and the capsule B moves up and down by following the up-and-down motion of the fluid upper face 29, and in a state that the sensitive plate are always inserted into prescribed depth from the fluid upper face 29, the viscosity of the fluid can be measured continuously. Also, the device can be simplified at low cost.
Patent JP-H0352223-A (JP)
Title: Compound semiconductor, manufacture thereof and semiconductor device using same
Inventor: MATSUEDA HIDEAKI
IPC: C30B9/04
Filed: 1989-07-20
Abstract: PURPOSE:To make it possible to obtain easily a compound semiconductor having a chemical composition being metastable thermodynamically by a method wherein constituent elements constituting the compound semiconductor or a compound containing these constituent elements are put in a melted state or a state of high energy being equivalent thereto and it is congealed by rapid cooling to be a solid solution. CONSTITUTION:Constituent elements of a compound semiconductor or a compound containing the constituent elements is put in a melted state or a state of high energy being equivalent thereto, and then the constituent elements dissolved mutually are cooled down rapidly in the melted solution without giving the elements a time sufficient for them to reach a stable state. On the occasion, manufacturing conditions relating to a cooling speed and the constituent elements are set properly. In this process of congelation by rapid cooling, in other words, the constituent elements are congealed by rapid cooling at a speed higher than a speed of diffusion of the elements. By this method, the compound semiconductor having a chemical composition being metastable thermodynamically can be obtained easily.
Patent JP-S61181646-A (JP)
Inventor: TOOMASU ARAN FUATSUDONAA
IPC: B41F31/26
Filed: 1985-08-26
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-H0848273-A (JP)
Title: Fresh air guide structure for motorcycle
Inventor: YAMAGUCHI TOSHIO
IPC: B62J99/00
Filed: 1994-08-08
Abstract: PURPOSE:To surely prevent the intake of foreign matter, flung up from a road surface by the front wheel of a motor cycle when running, from a fresh air guide port. CONSTITUTION:A fresh air guide port 16 in an engine is opened upward of a radiator 13 arranged behind a front wheel 3 and a shutoff member 25 extended forward of the rear profile of the front wheel 3 is provided at the upper edge of the radiator 13 in such a manner that the front end of the shutoff member 25 and the rear end of a front fender 6 covering the front wheel 3 are lapping each other up and dot. An extension 26 extended to the front of the radiator 13 is provided at the rear end of the front fender 6 and a recess 27 is provided on the upper edge of the radiator 13 to be recessed backward at the lower part of the shutoff member 25 so that the rear end of the extension 26 of the front fender 6 may be forced thereinto when a front fork 4 is at the maximum pressure.
Patent JP-S57113648-A (JP)
Title: Signal encryption device
Inventor: MATSUYAMA KAZUSHIGE
IPC: H04K1/00
Filed: 1980-12-30
Abstract: PURPOSE:To make encryption of signals with a simple device, by performing convolution operation with a binary code signal. CONSTITUTION:An audio signal from a microphone 1a or input terminal 1b is applied to an AD converter 4 via an amplifier 2, band pass filter 3, and recording/playback selector switch S1 and converted into a digital signal, then led in to a digital signal processor 5. After the processor 5 makes convolution operation to a binary code signal in which the time width is longer than one syllable of a normal conversation word with significance, the output is converted into an analog signal at a DA converter 9 and recorded on a tape recorder 12 via a  switch S2. At playback, the signal is given to the processor 5 through a route  shown in dotted lines and the original signal can be restored by making the  correlation operation through the use of the same binary code signal.
Patent JP-2000019752-A (JP)
Title: Electrophotographic photoreceptor and coating solution for charge carrying layer
Inventor: FUJII TETSUYA
IPC: C08G64/04
Filed: 1998-07-01
Abstract: PROBLEM TO BE SOLVED: To obtain excellent photographic and image characteristics and high carrier mobility by making a charge carrying layer contain a specific benzine derivative as polycarbonate resin, and charge transport material containing specific repeating units, as a binder. SOLUTION: A charge carrying layer contains a benzine derivative expressed by formula III as polycarbonate resin and charge transport material containing repeating units expressed by formulas I, II as a binder at the mol ratio of the former/latter to be 0.01/0.99-0.99/0.01. In the formula III, R1 and R2 independently represent hydrogen carbon, alkyl group, fluoroalkyl group or fluoroalkoxy group; two R3 independently represent hydrogen atom or alkyl group; Ar1 and Ar2 independently represent aryl group that can have substituents excluding R1 and R2. The molecular weight of polycarbonate resin is preferably 20,000-100,000 in viscosity average molecular weight or weight average molecular weight.
Patent JP-H0910588-A (JP)
Title: Preparation of catalyst for producing unsaturated aldehyde and unsaturated carboxylic acid
Inventor: MIYAGI KENICHI
IPC: B01J27/051
Filed: 1995-06-30
Abstract: PURPOSE: To provide a method for preparing a catalyst which can produce corresponding unsaturated aldehyde and unsaturated carboxylic acid from propylene, isobutylene, or tertiary butanol at high yields. CONSTITUTION: In preparing a catalyst containing at least molybdenum, iron, and bismuth, ammonium molybdate, iron nitrate and/or iron sulfate are used as a molybdenum component and an iron component, and the molybdenum and iron components are mixed in advance.
Patent JP-S60121346-A (JP)
Title: Silent chain
Inventor: NUMAZAWA AKIO
IPC: F16G13/04
Filed: 1984-09-07
Abstract: PURPOSE:To improve assembling efficiency by disposing a leaf spring between only one side of the outermost link plate with respect to the axial direction of a pin and a link plate positioned outside the link plate. CONSTITUTION:In manufacturing a silent chain 5, link plates 11 are lined up and stacked. A leaf spring 23 is disposed between only one side of the outermost link plate 11 with respect to the axial direction of pins 18, 19 and a guide plate 14 positioned outside the link plate, that is, on one side of stacked array of the link plates 11. Therefore, in manufacturing the silent chain 5, after stacking all link plates 11, the leaf spring may be assembled, thereby to avoid the situation that it is difficult to line up link plates assembled at the end of assembling.
Patent JP-S6342219-A (JP)
Title: Semiconductor integrated circuit device
Inventor: TANIGUCHI MASAHARU
IPC: H03K19/00
Filed: 1986-08-07
Abstract: PURPOSE:To decrease a through-current which is generated at the time of switching, by boosting the respective threshold voltages of a P channel MOS transistor and an N channel MOS transistor. CONSTITUTION:In a semiconductor substrate of one conductive type, an island of a conductive type reverse to said type is formed and a P-MOST1 and an N-MOST2 are formed, and in a CMOS transistor circuit which has been constituted by connecting them in series, the respective threshold voltages of the P-MOST1 and the N-MOST2 are sets to a high value to some extent so as to decrease an area where the P-MOST1 and the N-MOST2 are turned on simultaneously, or so that they are not turned on simultaneously. In this way, generation of a through-current Icc can be suppressed, and even if the operation frequency increases, the power consumption is low, and generation of a noise in the power source line can be prevented.
Patent JP-2001009792-A (JP)
Title: Sprocket hole drilling device of tape type article
Inventor: TAKADA OSAMU
IPC: B26F1/08
Filed: 1999-06-30
Abstract: PROBLEM TO BE SOLVED: To drill a sprocket hole while delivering a virgin tape without receiving influence of connection of the virgin tape (tape type article before drilling the sprocket hole) and a drilled tape. SOLUTION: This drilling device stops both of punching movement of a punching mechanism 5 and rotational driving of a sprocket wheel 4 immediately before a connecting part reaches the sprocket wheel 4 by initially separating the sprocket wheel 4 from the punching mechanism 5 by making it possible to vary its position to the horizontal direction so that the sprocket wheel 4 approaches and separates from the punching mechanism 5. Thereafter, a virgin tape 100 is sandwiched by a movable type 5a and a fixed type 5b, and a sprocket hole H is drilled on the virgin tape 100 by making its tooth part 4' engaged with the sprocket hole H drilled on the virgin tape 100 by varying its position to the horizontal direction so as to make the sprocket wheel 4 approach the punching mechanism 5 to avoid the connecting part.
Patent JP-S6079762-A (JP)
Title: Electronic device
Inventor: SAKAI HIDEO
IPC: H01L21/60
Filed: 1983-10-07
Abstract: PURPOSE:To prevent trouble due to corrosion by indirectly connecting a wiring and a bonding pad through a metallic layer having excellent corrosion resistance formed under a bonding pad layer. CONSTITUTION:A first conductive layer 9 consisting of a metal having excellent corrosion resistance or its compound is shaped on a field oxide film 2 formed on the surface of a substrate 1. The first conductive layer 9 takes a shape that one side of a square has a resin-forcing section 9a, and is brought into contact with an aluminum wiring 3 by the reinforcing section 9a. A second conductive layer 4 as a bounding pad is formed on the conductive layer 9, and the conductive layer 4 is shaped at the same time as the wiring 3 by an aluminum layer constituting the wiring 3. Accordingly, even when the conductive layer 4 is corroded by moisture from an opening section 7, the conductive layer 4 is not corroded up to the inner part, and the progress of corrosion to a contact section between the conductive layer 9 and the aluminum wiring 3 can be prevented.
Patent JP-H0472557-A (JP)
Title: Oxygen sensor
Inventor: SUGIE JUNJI
IPC: G01N27/12
Filed: 1990-07-13
Abstract: PURPOSE:To enhance durability of an oxygen sensor by making each of the primary particles of a metal oxide spherical in an oxygen sensor which has a sensing portion made from the metal oxide and which senses changes in oxygen gas partial pressure from changes in the electrical resistance value of the sensing portion. CONSTITUTION:A sensing portion 1 is made from spherical titania powders in the form of primary particles of an adjusted size range (0.6 to 1.0mum or so). Therefore the sensing portion has a uniform, fine structure and abnormal particle growth scarcely occurs there even at high temperatures and holes are scarcely fluctuated. A highly accurate oxygen sensor whose electrical resistance value is scarcely varied before and after a durability test and which is excellent in durability is thus obtained.
Patent JP-2001014371-A (JP)
Title: Device and method for designing circuit, and computer readable recording medium storing circuit design program
Inventor: TSUCHIYA TAKEHIKO
IPC: G01R31/3183
Filed: 1999-06-30
Abstract: PROBLEM TO BE SOLVED: To shorten the time required for circuit design by automatically specifying a change spot in a circuit description for the unit of a logic cone and classifying plural test vectors into ones related to the change spot and ones unrelated to the change spot when the circuit description is changed in logic verification. SOLUTION: When the circuit description is changed in the logic verification, the change spot in the circuit description is automatically specified for the unit of a logic cone and the plural test vectors are classified into ones related to the change spot and ones unrelated thereto. In a circuit design system 100, for example, format verification is performed by a format verifying means 118 while using non-changed and changed circuit descriptions. On the basis of this format verified result, a logic cone specifying means 114 specifies the logic cone (change logic cone) related to the change in the changed circuit description. A test vector classifying means 115 classifies the test vectors into one to activate the change logic cone and ones not to activate it.
Patent JP-S5890375-A (JP)
Title: Arc welding machine
Inventor: KASHIMA TAKAYUKI
IPC: B23K9/09
Filed: 1981-11-24
Abstract: PURPOSE:To improve the safety during standing by for welding and to improve the starting performance of arc starting by providing state detecting means which detect a no-load state, a short circuiting state and an arc state in accordance with the output of an arc welding machine. CONSTITUTION:In the non-load stage, the feedback current signal outputted from a current detecting part 7 is zero, and an error amplifier 16 and a comparator 19 operates in such a way that the output voltage attains the value set  with an output voltage setter 12. A driving circuit 21 is controlled with an AND  circuit 20. When circuits are shorted in order to start welding, the short circuiting current is detected with the part 7, is inputted as a feedback current signal  to an error amplifier 15 and is controlled by the control signal outputted by the amplifier 15 to assume the value higher than a steady current value, whereby starting performance is improved. When the short circuiting state changes to an arc state, a switch 13 is set to the position (b); therefore, the amplifier 15, a comparator 18 and the circuit 21 operate so as to obtain the output current determined with an output current setter 10, thus good starting is accomplished.