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Class Information
Number: 219/715
Name: Electric heating > Microwave heating > With control system > Power switching
Description: Subject matter wherein a device controls on and off periods of energy being supplied from the power supply to the microwave heating apparatus.










Sub-classes under this class:

Class Number Class Name Patents
219/718 Having duty cycle 100
219/717 Plural power supplies 34
219/716 With detector 142


Patents under this class:
1 2 3 4

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
8633427 High-frequency heating device Jan. 21, 2014
8624170 Inverter controller and high-frequency dielectric heating apparatus Jan. 7, 2014
8606180 User interface for controlling a household electrical appliance remotely connected thereto Dec. 10, 2013
8492687 Power control apparatus for high-frequency dielectric heating and power control method for the same Jul. 23, 2013
8420986 Frequency-modulated electric element control Apr. 16, 2013
8330085 Spread-spectrum high-frequency heating device Dec. 11, 2012
8324541 High-frequency heating device Dec. 4, 2012
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
8217323 High-frequency heating device Jul. 10, 2012
8138452 Convection oven Mar. 20, 2012
7947935 Microwave oven and latch board in the microwave oven May. 24, 2011
7414228 High frequency heating apparatus Aug. 19, 2008
7405382 System for microwave enhanced chemistry Jul. 29, 2008
7326888 Cooking apparatus, cooking system and cooking control method using the same Feb. 5, 2008
7282682 High-frequency heating apparatus Oct. 16, 2007
7282680 Apparatus for controlling inverter circuit of induction heat cooker Oct. 16, 2007
7241980 Control method for a microwave oven Jul. 10, 2007
7230219 Inverter power source control for high frequency heater Jun. 12, 2007
7214915 High frequency heating apparatus May. 8, 2007
7109454 Microwave oven Sep. 19, 2006
7105787 Reverberating adaptive microwave-stirred exposure system Sep. 12, 2006
7102110 Magnetron oscillating apparatus Sep. 5, 2006
7091459 Cooking apparatus Aug. 15, 2006
7064306 Inverter microwave oven and method for controlling the same Jun. 20, 2006
7064305 Apparatus and method for controlling output of magnetron of microwave oven Jun. 20, 2006
7060954 Magnetron drive power supply Jun. 13, 2006
7034267 DC voltage microwave oven power supplying circuit Apr. 25, 2006
7026590 Low-output microwave, lighting system and flicker removing method using the same Apr. 11, 2006
6965100 Method for controlling output power of a combination hood and microwave oven Nov. 15, 2005
6943321 Convection oven with forced airflow circulation zones Sep. 13, 2005
6903319 Method and apparatus for controlling electric power for high-frequency dielectric heating Jun. 7, 2005
6884977 Variable-frequency inverter microwave oven and method for controlling the same Apr. 26, 2005
6852959 Driving circuit of DC microwave oven and method of controlling the same Feb. 8, 2005
6849839 Microwave oven having control apparatus for precisely controlling amount of supplied power Feb. 1, 2005
6809301 Oven control method and apparatus Oct. 26, 2004
6800834 Arrangement of a high-voltage condenser in a high-frequency apparatus Oct. 5, 2004
6777876 Power-supply unit for microwave tube Aug. 17, 2004
6774567 Microwave oven Aug. 10, 2004
6759636 Mobile microwave oven Jul. 6, 2004
6744209 Microwave oven Jun. 1, 2004
6677717 Power supply apparatus of lighting system using microwave Jan. 13, 2004
6677558 Key input apparatus in electronic oven and control method thereof Jan. 13, 2004
6657172 High frequency heating apparatus equipped with oven hood Dec. 2, 2003
6624579 Magnetron drive power supply Sep. 23, 2003
6593556 Microwave oven and method of controlling the same Jul. 15, 2003
6521875 Microwave oven having a conducting member for controlling the supply of electrical power Feb. 18, 2003
6479803 Microwave oven and control method thereof Nov. 12, 2002
6472649 Microwave oven and method of controlling the same Oct. 29, 2002

1 2 3 4










 
 
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