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Class Information
Number: 219/716
Name: Electric heating > Microwave heating > With control system > Power switching > With detector
Description: Subject matter wherein a device senses the power being supplied to the microwave heating apparatus.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8642934 Power control apparatus for high-frequency dielectric heating and power control method for the same Feb. 4, 2014
8624170 Inverter controller and high-frequency dielectric heating apparatus Jan. 7, 2014
8610038 Microwave oven Dec. 17, 2013
8492687 Power control apparatus for high-frequency dielectric heating and power control method for the same Jul. 23, 2013
8258446 Power control apparatus for high-frequency dielectric heating and power control method for the same Sep. 4, 2012
8253082 Magnetron driving power source Aug. 28, 2012
7946220 Method and steam cooking apparatus for regulating cooking processes in an oven May. 24, 2011
7863548 Method for preventing overheating of microwave oven Jan. 4, 2011
7432484 Current control for high-frequency heating apparatus Oct. 7, 2008
7414228 High frequency heating apparatus Aug. 19, 2008
7405382 System for microwave enhanced chemistry Jul. 29, 2008
7365294 Microwave oven Apr. 29, 2008
7355152 Power control apparatus and method for electric cookers Apr. 8, 2008
7312427 High-frequency dielectric heating device and printed board with thermistor Dec. 25, 2007
7282682 High-frequency heating apparatus Oct. 16, 2007
7271372 Power control apparatus and method for electric cookers Sep. 18, 2007
7230219 Inverter power source control for high frequency heater Jun. 12, 2007
7109669 Microwave lamp power supply that can withstand failure in high voltage circuit Sep. 19, 2006
7091459 Cooking apparatus Aug. 15, 2006
7060954 Magnetron drive power supply Jun. 13, 2006
7026590 Low-output microwave, lighting system and flicker removing method using the same Apr. 11, 2006
7015440 Microwave oven and method of controlling the same Mar. 21, 2006
7002123 Microwave oven and method of controlling the same Feb. 21, 2006
6998591 High frequency heating apparatus with displacement identifiable remaining heating duration and phase control based thereon Feb. 14, 2006
6956190 High-frequency heating apparatus with steam generating function and water supply controlling method therefor Oct. 18, 2005
6936803 Inverter circuit of microwave oven Aug. 30, 2005
6900423 Microwave oven and control unit thereof May. 31, 2005
6891738 Power-supply unit for electronic oven May. 10, 2005
6884977 Variable-frequency inverter microwave oven and method for controlling the same Apr. 26, 2005
6875970 Safety apparatus for output level-adjustable microwave oven Apr. 5, 2005
6875969 Microwave oven and method of controlling the same Apr. 5, 2005
6852959 Driving circuit of DC microwave oven and method of controlling the same Feb. 8, 2005
6806449 Apparatus and method of controlling a microwave oven Oct. 19, 2004
6791070 Simmering control method in microwave oven Sep. 14, 2004
6777876 Power-supply unit for microwave tube Aug. 17, 2004
6737621 Microwave oven and high voltage control circuit of the same May. 18, 2004
6696676 Voltage compensation in combination oven using radiant and microwave energy Feb. 24, 2004
6677562 High-frequency heating apparatus and cooling system for magnetron-driving power supply utilized in the apparatus Jan. 13, 2004
6624401 Magnetron drive power supply Sep. 23, 2003
6621226 Microwave oven and method for controlling voltage thereof Sep. 16, 2003
6552313 High-frequency heating apparatus for maximizing input current while securing a uniform margin relative to the cutoff current Apr. 22, 2003
6515265 Microwave oven in which rush current to high voltage transformer is suppressed Feb. 4, 2003
6483243 Multiband travelling wave tube of reduced length capable of high power functioning Nov. 19, 2002
6472650 Food amount detector of a microwave oven, a microwave oven employing a food amount detector and a control method thereof Oct. 29, 2002
6455317 Method of controlling a chemical process by microwave radiation Sep. 24, 2002
6433321 Microwave oven with high-power output switching means Aug. 13, 2002
6362463 High frequency heating apparatus Mar. 26, 2002
6350973 Radio-frequency and microwave-assisted processing of materials Feb. 26, 2002
6335520 Microwave oven and a method for controlling the same Jan. 1, 2002
6335519 Microwave oven Jan. 1, 2002

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