| Patent application number | Description | Published |
| 20090001074 | High-Frequency Heating Device - To attain a more reliable prevention of an electric shock by checking whether the earth states for two circuit boards are good. There is detected a voltage generated at an anode current sensing resistor | 01-01-2009 |
| 20090014442 | MAGNETRON DRIVING POWER SOURCE - A magnetron driving power source can detect the abnormal condition during no-load running with low cost and space saving. The magnetron driving power source includes a high voltage transformer ( | 01-15-2009 |
| 20090079353 | MAGNETRON DRIVE POWER SUPPLY - An object of the invention is to provide a magnetron drive power supply for performing stable inverter operation and good in development efficiency. | 03-26-2009 |
| 20090134153 | POWER SUPPLY FOR A HIGH FREQUENCY HEATING - It is an object of the present invention to provide a power supply for a high frequency heating that suppresses an over-shoot of an input current generated under an unstable state immediately after a magnetron begins oscillating. | 05-28-2009 |
| 20090206073 | INVERTER CONTROLLER AND HIGH-FREQUENCY DIELECTRIC HEATING APPARATUS - Occurrence of a defect of the moding phenomenon, etc., accompanying rise in output of a magnetron after power down control is prevented and the reliability of a high-voltage dielectric heating apparatus is further improved. After power down control, when the temperature of a thermistor T | 08-20-2009 |
| 20090272735 | POWER CONTROL UNIT FOR HIGH-FREQUENCY DIELECTRIC HEATING AND CONTROL METHOD THEREOF - A power control unit for a high-frequency dielectric heating not affected by variations in the magnetron type or characteristic, and power supply voltage fluctuation, etc., is provided. The power control unit for a high-frequency dielectric heating has an input current detection section | 11-05-2009 |
| 20090283518 | HIGH FREQUENCY HEATING APPARATUS - The present invention is related to a high frequency heating apparatus for driving a magnetron such as a microwave oven, and has an object to provide a frequency modulating system capable of reducing power supply higher harmonic distortion of higher orders which are produced at phases in the vicinity of 0 degree and 180 degrees where an instantaneous voltage of a commercial power supply becomes the lowest voltage. | 11-19-2009 |
| 20090289056 | POWER CONTROL APPARATUS FOR HIGH-FREQUENCY DIELECTRIC HEATING AND POWER CONTROL METHOD FOR THE SAME - A power control unit for high-frequency dielectric heating not affected by variations in the types or the characteristics of magnetrons, power supply voltage fluctuation, etc., is provided. | 11-26-2009 |
| 20100065553 | POWER CONTROL APPARATUS FOR HIGH-FREQUENCY DIELECTRIC HEATING AND POWER CONTROL METHOD FOR THE SAME - A power control unit for high-frequency dielectric heating not affected by variations in the types or the characteristics of magnetrons, power supply voltage fluctuation, etc., is provided. | 03-18-2010 |
| 20100065554 | POWER CONTROL APPARATUS FOR HIGH-FREQUENCY DIELECTRIC HEATING AND POWER CONTROL METHOD FOR THE SAME - A power control unit for high-frequency dielectric heating not affected by variations in the types or the characteristics of magnetrons, power supply voltage fluctuation, etc., is provided. | 03-18-2010 |
| 20100089908 | POWER CONTROL APPARATUS FOR HIGH-FREQUENCY DIELECTRIC HEATING AND POWER CONTROL METHOD FOR THE SAME - A power control unit for high-frequency dielectric heating not affected by variations in the types or the characteristics of magnetrons, power supply voltage fluctuation, etc., is provided. | 04-15-2010 |
| 20100102796 | STATE DETECTION DEVICE FOR DETECTING OPERATION STATE OF HIGH-FREQUENCY HEATING APPARATUS - An operating state detection technique is provided which makes it possible to accurately detect an abnormality of a high-frequency heating apparatus. An anode current detected by the anode current detection resistor | 04-29-2010 |
| 20100102797 | STATE DETECTION DEVICE FOR DETECTING OPERATION STATE OF HIGH-FREQUENCY HEATING APPARATUS - An operating state detection technique is provided which makes it possible to accurately detect an abnormality of a high-frequency heating apparatus. An anode current detected by the anode current detection resistor | 04-29-2010 |
| 20100155393 | POWER CONTROL UNIT FOR HIGH-FREQUENCY DIELECTRIC HEATING AND CONTROL METHOD THEREOF - A power control unit for a high-frequency dielectric heating not affected by variations in the magnetron type or characteristic, and power supply voltage fluctuation, etc., is provided. The power control unit for a high-frequency dielectric heating has an input current detection section | 06-24-2010 |
| 20100155394 | POWER CONTROL UNIT FOR HIGH-FREQUENCY DIELECTRIC HEATING AND CONTROL METHOD THEREOF - A power control unit for a high-frequency dielectric heating not affected by variations in the magnetron type or characteristic, and power supply voltage fluctuation, etc., is provided. The power control unit for a high-frequency dielectric heating has an input current detection section | 06-24-2010 |
| 20100155395 | POWER CONTROL UNIT FOR HIGH-FREQUENCY DIELECTRIC HEATING AND CONTROL METHOD THEREOF - A power control unit for a high-frequency dielectric heating not affected by variations in the magnetron type or characteristic, and power supply voltage fluctuation, etc., is provided. The power control unit for a high-frequency dielectric heating has an input current detection section | 06-24-2010 |