Patent application number | Description | Published |
20110021667 | EARLY STRENGTHENING AGENT FOR HYDRAULIC COMPOSITION - This invention relates to an early strengthening agent for a hydraulic composition, which contains a compound (A) selected from a specific glycol ether-based compound and a specific glycerin derivate-based compound, as well as an additive composition for a hydraulic composition, which contains the early strengthening agent and a specific phosphate polymer (B). | 01-27-2011 |
20110021668 | ADDITIVE COMPOSITION FOR HYDRAULIC COMPOSITION - This invention relates to an additive composition for a hydraulic composition, which contain a specific copolymer (A) and a compound (B) selected from a specific glycol ether-based compound and a specific glycerin derivate-based compound. | 01-27-2011 |
20120226085 | METHOD FOR PRODUCING OLEFIN - The present invention provides a method for producing an olefin from a carboxylic acid having a β-hydrogen atom or an anhydride thereof in the presene of a catalyst containing at least one metal element selected from metals of Group 8, Group 9 and Group 10 and bromine element at a reaction temperature of 120° C. to 270° C. | 09-06-2012 |
20130296626 | METHOD FOR PRODUCING OLEFIN - The present invention discloses a method for producing an olefin through decarbonylation of a carboxylic acid having a β-hydrogen atom or a derivative thereof in the presence of a catalyst containing at least one metal element selected from Groups 9, 10, and 11 metals under conditions with a concentration of carbon monoxide of not less than 41 mmol/L. | 11-07-2013 |
Patent application number | Description | Published |
20100029996 | CATALYST FOR PRODUCING ALCOHOL - The present invention provides a catalyst for producing alcohols from carboxylic acids by hydrogenation, containing Co metal as an essential component and one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, V and Mo as a first co-catalyst component, and having 20% or more of cubic phase in the crystal phase of the Co metal, the method for producing the catalyst, and the method for producing an alcohol from a carboxylic acid as a raw material by hydrogenation using the catalyst. | 02-04-2010 |
20110190564 | PROCESS FOR PRODUCTION OF OLEFIN - The present invention provides a process for producing an olefin from a carboxylic acid having a β-hydrogen atom or a derivative thereof using the compound containing iodine and at least one metal elements selected from the group consisting of Groups 6, 7, 8, 9, 10 and 11 metals as a catalyst. | 08-04-2011 |
20110263908 | METHOD FOR PRODUCING GLYCEROL - The present invention provides a method for producing glycerol, including transesterifying an oil-and-fat with an alcohol in the presence of a solid catalyst to obtain a glycerol product liquid and subjecting the glycerol product liquid to adsorption treatment with an ion-exchange resin. | 10-27-2011 |
Patent application number | Description | Published |
20080315781 | DISCHARGE LAMP LIGHT-UP CONTROL APPARATUS AND POWER CIRCUIT - The present invention is directed to realize an optimum lamp control with an inexpensive configuration in a discharge lamp light-up control apparatus. A constant current control unit controls light-up of a discharge lamp by transmitting a control signal to an inverter and includes: a storage for storing lamp characteristics of the discharge lamp; and a CPU for obtaining information indicative of a type of the discharge lamp attached, reading the lamp characteristics from the storage based on the obtained type information, and transmitting a control signal to the inverter so that an output corresponding to the read lamp characteristics are obtained. | 12-25-2008 |
20080315790 | DISCHARGE LAMP LIGHTING CONTROL METHOD, COMPUTER PROGRAM, DISCHARGE LAMP LIGHTING CONTROL APPARATUS, AND POWER SUPPLY CIRCUIT - Lighting of a discharge lamp is controlled in a manner to reduce deterioration of the discharge lamp subjected to high temperature and extend the lifetime of the discharge lamp. A method for controlling lighting of the discharge lamp includes a first constant current control process (period T | 12-25-2008 |
20090190378 | POWER SUPPLY DEVICE OUTPUTTING PULSED ELECTRICAL CURRENT - The power supply device of the present invention which outputs pulsed electrical current includes an inverter which converts an input voltage to high frequency AC, a rectifier which rectifies the output of the inverter and converts it to DC, and an output polarity changeover unit which, via a reactor, alternatingly turns ON and OFF the output at a positive electrode side of the rectifier and the output at a negative electrode side thereof. Moreover, this power supply device includes a current transformer including a closed magnetic circuit or coil, pierced by a first output current line in which the current at the positive electrode flows, and by a second output current line in which the current at the negative electrode flows. The directions of piercing of the output current lines through the current transformer are set so that the directions in the current transformer, in which current flows in the first and second output current lines, are the same. | 07-30-2009 |
Patent application number | Description | Published |
20100108221 | PNEUMATIC TIRE AND PROCESS FOR MANUFACTURING THE SAME - A pneumatic tire and a process for manufacturing the same which enable, in the use of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin as an air permeation preventive layer, formation of the air permeation preventive layer excelling in gas barrier performance, and molding of the tire through a simple molding operation without generating any unnecessary scraps. For the pneumatic tire of the present invention, a cylindrical molded article composed of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin is crushed into a sheet-like laminate; and the sheet-like laminate is used as the air permeation preventive layer. In the manufacturing operation, the sheet-like laminate is wrapped around a making drum so that an unvulcanized tire having the sheet-like laminate as an air permeation preventive layer is molded, and the unvulcanized tire is vulcanized. | 05-06-2010 |
20130042962 | PNEUMATIC TIRE AND PROCESS FOR MANUFACTURING THE SAME - A pneumatic tire and process for manufacturing the same enable, in the use of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin as an air permeation preventive layer, formation of the air permeation preventive layer excelling in gas barrier performance, and molding of the tire through a simple molding operation without generating any unnecessary scraps. For the pneumatic tire, a cylindrical molded article composed of a film of a thermoplastic resin or thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin is crushed into a sheet-like laminate; and the laminate is used as the air permeation preventive layer. In the manufacturing operation, the sheet-like laminate is wrapped around a making drum so that an unvulcanized tire having the sheet-like laminate as an air permeation preventive layer is molded, and the unvulcanized tire is vulcanized. | 02-21-2013 |
Patent application number | Description | Published |
20100245149 | COMPARISON CIRCUIT AND ANALOG-TO-DIGITAL CONVERSION DEVICE - A comparison circuit comprising: an input circuit includes a first transistor for receiving a first signal, and a second transistor for receiving a second signal; a first current route of which the electric current is controlled by the first transistor; a second current route of which the electric current is controlled by the second transistor; a latch for amplifying potential difference between the first current route and the second current route; a comparative operation control circuit including a first switch for executing or blocking supply voltage to the drain of the first transistor, a second switch for executing or blocking supply voltage to the drain of the second transistor, and a third switch for executing supply voltage to the first current route and the second current route; a comparative operation setting circuit for controlling supply or blocking of supply of the first switch, the second switch, and the third switch. | 09-30-2010 |
20110234440 | AMPLIFYING CIRCUIT AND ANALOG-DIGITAL CONVERTING CIRCUIT INCLUDING SAME - An amplifying circuit includes a pair of MOS transistors; an amplifier that amplify a difference between potentials of differential output nodes coupled to drains of the pair of MOS transistors; cancel circuits that cause cancel current to flow to one of the differential output nodes when the amplifier amplifies a voltage between the differential output nodes and that shut off, after the amplifier performs the amplification operation, inflow of the cancel current; and a controller that performs setting so that a potential of first one of the differential input signals is equal to a potential of another one of the differential input signals, that compares, before the inflow of the cancel current, potentials generated at differential output nodes when the difference between potentials of the differential output nodes is amplified, and that sets the cancel current so that the potentials are reversed after the inflow of the cancel current. | 09-29-2011 |
20110309961 | A/D CONVERSION CIRCUIT AND A/D CONVERSION METHOD - An analog-to-digital conversion circuit includes: comparators to compare an input analog signal and one of reference voltages corresponding to each operation in an analog-to-digital conversion; an interpolating comparator to compare the input analog signal and a determination voltage between first and second reference voltages corresponding to two comparators; a correction value acquisition circuit to calculate a correction value to correct an error between the input analog signal and the determination voltage; a correction value application circuit to set the correction value in the interpolating comparator; a test voltage generation circuit to supply the two comparators with a first test voltage corresponding to one of the determination voltages; a common voltage generation circuit to supply the two comparators with a second test voltage; and a correction value calculation circuit to calculate respective correction values corresponding to the determination voltages based on errors corresponding to the first and second test voltages. | 12-22-2011 |
20120127007 | COMPARISON CIRCUIT AND ANALOG-TO-DIGITAL CONVERSION DEVICE - A comparison circuit includes: an input circuit includes a first transistor for receiving a first signal, and a second transistor for receiving a second signal; a first current route of which the electric current is controlled by the first transistor; a second current route of which the electric current is controlled by the second transistor; a latch for amplifying potential difference between the first current route and the second current route; a comparative operation control circuit including a first switch for executing or blocking supply voltage to the drain of the first transistor, a second switch for executing or blocking supply voltage to the drain of the second transistor, and a third switch for executing supply voltage to the first current route and the second current route; a comparative operation setting circuit for controlling supply or blocking of supply of the first switch, the second switch, and the third switch. | 05-24-2012 |
20130176156 | COMPAPATOR AND ANALOG-TO-DIGITAL CONVERTOR - A comparator includes: a differential amplifier circuit to operate based on a clock signal and output a first intermediate output and a second intermediate output corresponding to a first input signal and a second input signal respectively; and a differential latch circuit to operate based on the clock signal and vary a state based on the first intermediate output and the second intermediate output, the differential latch circuit having a controllable sensitivity with respect to a state variation of the first intermediate output and the second intermediate output. | 07-11-2013 |
20140132437 | COMPARATOR AND A/D CONVERTER - A comparator includes: a differential amplifier of which operational state is switched in response to a clock-signal, and which outputs a first intermediate-output corresponding to a first input-signal and a second intermediate-output corresponding to a second input-signal; a differential latch circuit of which operational state is switched in response to the clock-signal, and a state of which is changed depending on the first intermediate-output and the second intermediate-output; a first adjuster configured to adjust a threshold of the differential latch circuit with respect to a change of a state of the first intermediate-output and a change of a state of the second intermediate-output; and a second adjuster configured to adjust a threshold variation of the differential latch circuit with respect to a change of a state of the first intermediate-output and a change of a state of the second intermediate-output. | 05-15-2014 |
20140152482 | COMPARATOR AND CORRECTION METHOD THEREFOR - A comparator has a comparator circuit to output an output voltage based on a voltage difference between a first and second input voltage, a variable capacitor connected to an output terminal, an input voltage control circuit to generate a common voltage and add the common voltage to the first and the second input voltages, and a correction circuit to control the variable capacitor to control the common voltage. The correction circuit controls a first capacitance value of the variable capacitor so that the output voltage is reversed when the voltage difference equals a first voltage difference, and controls a second capacitance value of the variable capacitor so that the output voltage is reversed when the voltage difference equals a second voltage value, and controls the common voltage so that a difference between the first capacitance value and the second capacitance value becomes equal to a predetermined capacitance value. | 06-05-2014 |
20140292410 | FOLDED CASCODE AMPLIFIER CIRCUIT - A folded cascode amplifier circuit includes: an input stage having a pair of transistors and configured to output a positive phase intermediate signal and an opposite phase intermediate signal; a cascode amplification stage having pairs of transistors connected in multiple stages, to which the positive phase intermediate signal and the opposite phase intermediate signal are supplied, and which is configured to output a positive phase output signal and an opposite phase output signal, which are differential signals; a first capacitor connected between a signal line of the positive phase intermediate signal and a signal line of the opposite phase output signal; and a second capacitor connected between a signal line of the opposite phase intermediate signal and a signal line of the positive phase output signal. | 10-02-2014 |
20150029049 | ELECTRONIC CIRCUIT - An electronic circuit includes: a pair of first transistors in which a first control signal is inputted to at least one of a first control terminal; a comparator circuit that sets electric potentials of a pair of differential output terminals based on an electric current flowing through the pair of first transistors; second transistors that are coupled in series in a path between an electric power source and a node from at least one of the pair of differential output terminals and between the corresponding pair of first transistors, and having a second control terminals to which a second control signal is inputted; first switches that are respectively coupled in series to the second transistors in the path and that are turned ON in synchronization with a clock signal; and a generation circuit that generates the second control signal based on the clock signal. | 01-29-2015 |