Patent application number | Description | Published |
20100289459 | POWER SUPPLY DEVICE - Provided is a power supply device including: a magneto generator ( | 11-18-2010 |
20110101930 | POWER SUPPLY DEVICE - A power supply device comprising: a magneto generator including a rotor including a magnet forming a magnetic field; a rectifying unit rectifying an alternating current of the generator to a direct current and supplying to an electrical load; a voltage detection unit detecting a voltage of the electrical load; an opening unit interrupting electrical conduction of an output of the generator; short-circuiting units electrically short-circuiting the output; a torque supplying device supplying torque to the rotor; a voltage control unit selectively performing one of opening-control of controlling on/off switching of the opening unit and short-circuit-control of controlling on/off switching of the short-circuiting units to control the voltage of the electrical load to a predetermined value in accordance with the voltage detected by the voltage detection unit; a switching control unit switching and controlling between the above two controls in accordance with an operating state regarding rotation of the rotor. | 05-05-2011 |
20110106395 | PLASMA IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE - A plasma ignition device comprising: an ignition plug; an ignition circuit applying a high voltage to the plug to start discharge; a power supply circuit including a battery section for supplying an electric energy to a discharge space of the plug having impedance reduced by discharge start, and a charging section charging the battery section with a boosted voltage by a booster circuit, wherein the power supply circuit including: a first means | 05-05-2011 |
20110239998 | PLASMA IGNITION DEVICE - A plasma power supply circuit includes a DC/DC converter connected to a DC power supply and outputting a DC voltage, a voltage limit circuit limiting an output voltage from the DC/DC converter to a predetermined value, a PJ capacitor connected to an output end of the DC/DC converter and charged with electric energy used to generate a plasma in a discharge space of the spark plug, and a high-voltage switch connected between the PJ capacitor and the DC/DC converter and controlled to switch ON and OFF so that a charge period of the PJ capacitor is controlled according to running conditions of the internal combustion engine. Hence, the plasma ignition device can prevent damage on an electronic component incorporated therein even at the occurrence of a short and lessen damage on the internal combustion engine caused by an erroneous plasma jet ejection, wearing of the spark plug, and power consumption. | 10-06-2011 |
20110253115 | PLASMA IGNITION SYSTEM - To provide a plasma ignition system that can prevent damage on an internal combustion engine due to erroneous ejection of a plasma jet, and further, even when the required voltage of an ignition plug becomes lower, can prevent erroneous ignition by the charged voltage of a PJ capacitor. A plasma power supply circuit of the plasma ignition system includes a voltage-limiting circuit having a first set voltage having an absolute value lower relative to the discharge voltage of the ignition coil, and a second set voltage having an absolute value higher relative to the discharge voltage of the ignition coil, and the first set voltage and the second set voltage are selectively switched according to an operation condition of the internal combustion engine. | 10-20-2011 |
20110285361 | POWER SUPPLY DEVICE - A power supply device includes: a rectifier having a full-wave rectification circuit whose low side elements are made of MOSFETs; an electrical load supplied with DC power from the rectifier; and a control circuit having a load voltage detector and an AC voltage detector for detecting an input terminal voltage from a permanent-magnet generator; wherein when a terminal voltage across the electrical load is lower than a predetermined value, the control circuit operates the rectifier in full-wave rectification mode, whereas when the terminal voltage across the electrical load is higher than the predetermined value, the control circuit short-circuits input terminals of the permanent-magnet generator with each other, and when power for driving the control circuit is not secured, the control circuit retains the full-wave rectification mode even if the terminal voltage across the electrical load is higher than the predetermined value. | 11-24-2011 |
20110286251 | POWER SUPPLY DEVICE - A power supply device includes: a magneto generator with a rotor having a magnet; a torque supplying device supplying torque to the rotor; a rectifier circuit supplying electric power to a electrical load device by rectifying an output of the magneto generator; a short circuit electrically shorting an output end of the magneto generator; a voltage detection circuit detecting a terminal voltage of the electrical load device; and a control circuit controlling a voltage of the electrical load device to be a first set value by controlling the short circuit to switch ON (short operating mode) and OFF (rectification operating mode) according to the voltage detected by the voltage detection circuit and allowing the short circuit to operate while making a switching between the two operating modes according to a operating state relating to a rotation of the rotor of the magneto generator. | 11-24-2011 |
20120060804 | IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE - A power circuit, which supplies plasma energy to a spark plug, includes a DC/DC converter which charges a tank capacitor, a voltage limiting circuit which restricts an output voltage of the converter to a predetermined value, a PJ capacitor which is connected to the output side of the converter and is charged by the tank capacitor, and a high breakdown voltage switch which is connected between the PJ capacitor and the DC/DC converter and controls a charging time period of the PJ capacitor in response to operating conditions of an internal combustion engine; and the power circuit switches a voltage limiting value of the tank capacitor for charging the PJ capacitor in synchronization with a driving signal of the high breakdown voltage switch. | 03-15-2012 |
20120286791 | ION CURRENT DETECTOR - In order not to deteriorate the detection properties of an ion current that monitors a combustion state even when a smolder leak is present in an ignition plug of an internal combustion engine, an ion current detector includes an ignition plug of an internal combustion engine, an ignition coil which supplies a high voltage to the ignition plug, a controller which sends an ignition command, a bias capacitor which supplies a bias voltage to the ignition coil, an ignition capacitor which is connected to a primary side winding of the ignition coil, a DC power supply which charges the ignition capacitor and the bias capacitor, a current detecting unit which detects a current flowing through the ignition plug, an ion current detecting unit which detects an ion current from the current detected by the current detecting unit, and a Zener diode which restricts a charging voltage of the bias capacitor. | 11-15-2012 |
20120293088 | IGNITION APPARATUS - An ignition apparatus includes: sparking coil supplying a sparking plug with a high voltage; an energy supply device supplying the sparking coil with energy; a first switch disposed therebetween; and a control device controlling the first switch's conduction. The energy supply device has a DC power supply, a resonance coil connected to the DC power supply, a sparking capacitor connected to the resonance coil, and a second switch disposed between the sparking capacitor and an earth, and charges the sparking capacitor to have a voltage value larger than that of the DC power supply in absolute value by making the resonance coil and the sparking capacitor generate an LC resonance when the second and first switches are turned ON and OFF, respectively, according to an instruction from the control device whereas supplying the sparking coil with energy when the second and first switches are operated inversely according to another instruction. | 11-22-2012 |
20140092652 | POWER SUPPLY DEVICE AND METHOD OF DETERMINING ABNORMALITY IN POWER SUPPLY DEVICE - A power supply device includes: a first switching element and a flywheel semiconductor element which are connected in series to a first DC power source in this order; and a reactor and a second DC power source which are connected in series in this order to a node between the first switching element and the flywheel semiconductor element. A second switching element and a charge circuit for charging a line between the first switching element and the second switching element are interposed between the reactor and the second DC power source. Abnormality of each element is determined from a voltage of each portion of the power supply device measured when the first and second switching elements and the flywheel semiconductor element are driven and controlled. | 04-03-2014 |
Patent application number | Description | Published |
20080244037 | Information distribution system, information processing apparatus and method, and information distribution apparatus and method - Disclosed herein is an information processing system, including: a plurality of information processing apparatus configured to issue a request for transmission of a content; and an information distribution apparatus configured to distribute the content to the information processing apparatus; each of the information processing apparatus having an inputting control section, and a transmission control section; the information distribution apparatus having a distribution reservation information registration section, and a scheduling section. | 10-02-2008 |
20110026708 | RECORDING MEDIUM, METHOD FOR MANUFACTURING THE SAME AND APPARATUS FOR REPRODUCING THE SAME - There is disclosed a method for generating data for a recording medium. The method includes receiving original content data representing a plurality of still images and identifying a first subset of the still images to be recorded with copy-protection and a second subset of the still images to be recorded without copy-protection. The method also includes converting data representing the first subset into moving image data and copy-protecting the moving image data. The method also includes generating new content data, the new content data including the copy-protected moving image data and data representing the second subset. | 02-03-2011 |
20110038598 | RECORDING MEDIUM PRODUCTION METHOD, RECORDING MEDIUM, AND PLAYER FOR RECORDING MEDIUM - A recording medium production method includes the steps of: obtaining, from electronic document data, text string placement information which represents placement of text strings included therein, with an electronic document data obtaining unit; first converting of the electronic document data into still image data with a still image data conversion unit; second converting of predetermined still image data of the still image data into moving image data, by generating moving image data of n seconds with a moving data conversion unit; generating underline rendering control information for highlighted display of predetermined text strings included in the moving image data and also to move the display position of the highlight, with an underline rendering control information generating unit, based on the text placement information; and recording the moving image data and the underline rendering control information in the recording medium with a recording unit, following a predetermined recording medium format. | 02-17-2011 |
20140097805 | ELECTRIC POWER SUPPLY SYSTEM - An electric power supply system includes: an AC generator having a drooping characteristic; a rectification section for converting AC output of the AC generator to DC; a load having an electric storage device supplied with power from the AC generator; and a control section provided between the rectification section and the load. The control section controls the AC generator so that the AC generator operates at predetermined voltage lower than output voltage corresponding to the maximum power operation point of the AC generator. | 04-10-2014 |