Patent application number | Description | Published |
20090029091 | OPTICAL RECORDING MEDIUM - An optical recording medium having first protective layer, recording layer, second protective layer, and reflective layer, wherein the recording layer contains a phase-change material represented by Formula (1″1), Formula (1-2), or Formula (1-3); the second protective layer contains one selected from zinc oxides, indium oxides, tin oxides, mixtures thereof, and materials Formula (2), and materials Formula (3). Formula (1″1): In | 01-29-2009 |
20090046565 | METHOD FOR DETERMINING OPTIMUM LASER BEAM POWER AND OTICAL RECORDING MEDIUM - To provide a method for determining an optimum laser beam power for a single-side, dual-layer optical recording medium having first and second information layers, the method including: determining an optimum laser beam power based on a predetermined characteristic value at the time when the number of overwrite cycles on the recording medium is a predetermined value, wherein the method is conducted by an optical recording/reproduction apparatus utilizing optical change, and wherein the first information layer is closer to the laser irradiation side than is the second information layer. | 02-19-2009 |
20110226337 | THIN-FILM SOLAR BATTERY AND METHOD FOR PRODUCING THE SAME - To provide a thin-film solar battery including a substrate, a first electrode, a photoelectric conversion layer and a second electrode, the first electrode, the photoelectric conversion layer and the second electrode being placed over the substrate, wherein the photoelectric conversion layer has a laminated layer structure which includes at least a p-type layer and an n-type layer, and wherein the n-type layer is formed of a compound containing elements of Group 13, Group 16 and at least one of Groups 2, 7 and 12, the Group 13 includes at least indium, and the Group 16 includes at least sulfur. | 09-22-2011 |
20140309752 | DEVICE CONTROL SYSTEM, DEVICE CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - A device control system includes a positioning apparatus and a control apparatus connected to the positioning apparatus through a network. The positioning apparatus includes a receiver configured to receive detection data from an acceleration sensor, an angular velocity sensor, and a geomagnetic sensor that are carried by a person; a position identifying unit configured to identify a position of the person in a control target area based on the detection data; an action-state detecting unit configured to detect an action state of the person based on the detection data; and a transmitter configured to transmit the identified position and the detected action state to the control apparatus. The control apparatus includes a device control unit configured to control a device arranged in the control target area based on the position and the action state of the person. | 10-16-2014 |
20140309963 | POSITIONING APPARATUS, COMPUTER PROGRAM, AND APPLIANCE CONTROL SYSTEM - A positioning apparatus for measuring a position of a mobile object in a target area, the positioning apparatus includes: an estimation unit configured to estimate a first position, the first position being a relative to a reference position of the mobile object; an acquisition unit configured to acquire power information of an electrical appliance provided in the target area; and a correction unit configured to correct the first position for a second position on the basis of the power information of the electrical appliance and positional information indicating the second position of the electrical appliance. | 10-16-2014 |
Patent application number | Description | Published |
20110032047 | PULSE MODULATED RF POWER CONTROL METHOD AND PULSE MODULATED RF POWER SUPPLY DEVICE - The pulse modulated RF power control method includes an output amplitude control step for controlling amplitude of a pulse output, and a duty control step for controlling a duty ratio of the pulse output. The output amplitude control step performs a constant amplitude control to control an amplitude value of the pulse output so that the amplitude value becomes equal to a set amplitude value. The constant amplitude control according to the output amplitude control, for instance, gives a feedback of the amplitude value of the pulse output outputted by the power control, obtains a difference value between the feedback value and the set amplitude value, and controls the amplitude value of the pulse output so that the difference value becomes zero. | 02-10-2011 |
20110134669 | UNBALANCED VOLTAGE COMPENSATION METHOD, UNBALANCED VOLTAGE COMPENSATOR, THREE-PHASE CONVERTER CONTROL METHOD, AND CONTROLLER OF THREE-PHASE CONVERTER - In compensating for unbalanced voltages of three-phase AC, instantaneous values of wye-phase voltages 120° out of phase with each other are obtained from line voltages using a centroid vector operation, symmetrical component voltages of three-phase balanced system are obtained from the instantaneous values of wye-phase voltages, a compensation signal to compensate unbalanced voltages of three-phase AC is generated from zero-phase-sequence voltage of symmetrical component voltages is generated, wye-phase voltages 120° out of phase, the unbalanced voltages of which are compensated, are obtained from the compensation signal and the symmetrical component voltages, a control signal of a PWM conversion is generated based on the compensated wye-phase voltage compensated, and the unbalanced voltages of three-phase AC are compensated. The amount of time to compensate the three-phase unbalanced voltages required for detecting an unbalance of voltages and generating a control signal can be shortened. | 06-09-2011 |
20120212191 | METHOD FOR CONTROLLING POWER FACTOR OF THREE-PHASE CONVERTER, METHOD FOR CONTROLLING REACTIVE POWER OF THREE-PHASE CONVERTER, AND CONTROLLER OF THREE-PHASE CONVERTER - In power conversion according to the three-phase converter, symmetrical component voltage values of a balanced system are calculated from wye-phase voltages on the three-phase AC input side of the three-phase converter. On the DC output side thereof, the power factor is set, an average active power value is calculated from an output voltage value and an output current value, and an average reactive power is calculated from the set power factor. On the basis of the symmetrical component voltage values, the average active power, and the active reactive power, a compensation signal for compensating for unbalanced voltages of the three-phase AC voltages and a control signal for controlling the power factor are generated, and according to the compensation signal and the control signal, a control signal for outputting DC is generated. | 08-23-2012 |
20140009969 | CURRENT SOURCE INVERTER AND METHOD FOR CONTROLLING CURRENT SOURCE INVERTER - In controlling switching elements of a current source inverter, a switching loss in the switching element is prevented according to a normal switching operation for a commutation operation, without requiring any particular control. | 01-09-2014 |
20150084509 | HIGH-FREQUENCY POWER SUPPLY DEVICE AND REFLECTED WAVE POWER CONTROL METHOD - In an RF power supply for supplying RF power to a plasma load, reflected wave power control is performed in which the reflected wave power of an RF generator is detected and the RF generator is controlled. For a short-time variation in reflected wave power, control is performed based on a peak value variation in the detection value of reflected wave power. For a long-time variation in reflected wave power, control is performed based on a variation in a smoothed value obtained by smoothing detection values of reflected wave power. A reflected wave power control loop system includes a reflected wave power peak value dropping loop system and an arc blocking system that perform control based on a peak variation in reflected wave power and a reflected wave power amount dropping loop system that performs control based on a smoothed power amount of reflected wave power. | 03-26-2015 |
Patent application number | Description | Published |
20100261083 | POWER SUPPLY APPARATUS - A power supply apparatus, which can detect an abnormal voltage drop in a power cell and, if recovery from this voltage drop is made, resume power generation, thereby realizing reasonable and stable power supply, is provided. The power supply apparatus comprises a combined power source composed of a plurality of power cells configured electrically independently, a switch for arbitrarily connecting each of the power cells by selectively connecting terminals of the power cells through switching elements, a voltage detector for respectively detecting differences in electrical potentials between the terminals of the power cells, and a controller for controlling the switch by a control signal to control ON/OFF states of the switching elements so as to isolate a power cell to halt a supply of electrical power therefrom when a voltage generated in the power cell has dropped to a set voltage or lower as found based on voltage signals which respectively indicate the differences in electric potentials detected by the voltage detector, and resume the supply of electrical power from the power cell whose power supply has been halted when a down time in the isolated power cell has reached a predetermined time or longer. | 10-14-2010 |
20110212373 | Hydrogen generator - Hydrogen generation materials are a complex hydride which generates hydrogen upon hydrolysis, and an aqueous solution comprising water for causing the hydrolysis, and an accelerator dissolved therein for accelerating a hydrogen generation reaction. A method of hydrogen generation by a hydrogen generator comprises a first step S | 09-01-2011 |
20120237845 | PRESSURE REGULATING VALVE, FUEL CELL SYSTEM USING SAME, AND HYDROGEN GENERATING FACILITY - A pressure regulating valve has a first pressure deformation portion which receives a pressure on a fuel demand side, a second pressure deformation portion opposed to the first pressure deformation portion and which receives a predetermined pressure, first and second flow passages, and a communication passage communicating the first and second flow passages with each other. A valve member connects the first and second pressure deformation portions together and has a valve element that closes the communication passage when moved toward the second pressure deformation portion. When the pressure on the fuel demand side is lower than a predetermined value, the valve element does not close the communication passage, but when the pressure on the fuel demand side is equal to or higher than the predetermined value, the valve element closes the communication passage. | 09-20-2012 |