Matches 1 - 50 out of 164 1 2 3 4 >
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7414228 High frequency heating apparatus  
There is constructed a constitution such that a shunt resistor 30 is interposed in series with a portion capable of measuring an output current of a unidirectional power source portion 1 of a...
7405382 System for microwave enhanced chemistry  
According to the present invention, a microwave generator includes a variable voltage provided from a first transformer to a second transformer having a secondary winding split into a filament...
7326888 Cooking apparatus, cooking system and cooking control method using the same  
Disclosed herein is a cooking apparatus and cooking system which allows a user to change cooking information that is suitable to the preferences of the user and the amount of food when cooking food...
7282682 High-frequency heating apparatus  
A purpose of the present invention is to provide an inverter circuit capable of firmly turning ON IGBTs under limited condition, while a heat loss and noise can be hardly produced in semiconductor...
7282680 Apparatus for controlling inverter circuit of induction heat cooker  
An apparatus for controlling an inverter circuit of an induction heat cooker which generates and outputs high voltage power to cook food contained in a cooking container is disclosed. The apparatus...
7241980 Control method for a microwave oven  
A control method for a microwave oven equipped with a tray installed in a cooking chamber to rotate a popcorn bag while having a popcorn cooking mode to cook popcorn. During cooking, rotation of...
7230219 Inverter power source control for high frequency heater  
An oscillation control signal generated by an inverter power source control circuit ( 12 ) includes a reference voltage setting signal for approximating the current waveform of the AC output form...
7214915 High frequency heating apparatus  
A heating apparatus includes an inverter power supply for driving the high frequency generating device, a holding member for holding the inverter power supply and cooling fan for cooling down the...
7109454 Microwave oven  
A microwave oven is provided with an integrated operating unit having an integrated function for power supply, power level control, and inrush current suppression. The integrated operating unit...
7105787 Reverberating adaptive microwave-stirred exposure system  
A method and apparatus for adaptively maintaining the power-frequency spectrum in a reverberation chamber. The invention is thus capable of maintaining a relatively constant power-frequency...
7102110 Magnetron oscillating apparatus  
A magnetron oscillating apparatus includes a magnetron, power supply unit, and switch circuit. The magnetron oscillates a microwave. The power supply unit applies a power to the magnetron. The...
7091459 Cooking apparatus  
A cooking apparatus, in which lamps are conveniently and quickly replaced, including a lamp assembly having a lamp casing accommodating lamps and covering an irradiation hole formed in a front...
7064306 Inverter microwave oven and method for controlling the same  
Disclosed herein are an inverter microwave oven and a method for controlling the same, wherein a switching frequency of an inverter is raised during the initial operation of the microwave oven and...
7064305 Apparatus and method for controlling output of magnetron of microwave oven  
An apparatus and method for controlling an output of a magnetron of a microwave oven is provided. The method includes setting an initial input current to generate an output higher than rated...
7034267 DC voltage microwave oven power supplying circuit  
Circuit for operating a microwave oven including a DC voltage source, a switching part having at least two switching devices electrically connected to the DC voltage source for switching a voltage...
7026590 Low-output microwave, lighting system and flicker removing method using the same  
A low-output microwave lighting system includes: a rectifier for rectifying general AC power inputted through a power source unit and outputting a DC voltage; a power factor compensator for...
6965100 Method for controlling output power of a combination hood and microwave oven  
The present invention relates to an apparatus and method for controlling output power of a combination hood and microwave oven, and more particularly, to an apparatus and method for controlling...
6943321 Convection oven with forced airflow circulation zones  
At least two blowers are controlled with baffles to create circulating zones of airflow which circulate in a substantially horizontal plane within a convection oven cavity. This airflow minimizes...
6903319 Method and apparatus for controlling electric power for high-frequency dielectric heating  
A high-frequency dielectric heating power control method comprises: detecting the input current of an inverter circuit for rectifying the voltage of an AC power source to convert the rectified...
6884977 Variable-frequency inverter microwave oven and method for controlling the same  
A variable-frequency inverter microwave oven and a method for controlling the same. The inverter microwave oven comprises a magnetron for generating electromagnetic waves, a direct current (DC)...
6852959 Driving circuit of DC microwave oven and method of controlling the same  
Disclosed is a circuit and a method for driving a DC microwave oven. The circuit for driving a DC microwave oven according to the present invention includes: an inverting means to convert DC into...
6849839 Microwave oven having control apparatus for precisely controlling amount of supplied power  
A microwave oven with an electric device is provided in which the microwave oven includes an electric device control button and a control unit. The electric device control button drives the...
6809301 Oven control method and apparatus  
A control system for a an oven having at least one cooking element and a surface warmer includes a microprocessor, a memory, and a user input interface for user entry of cooking recipes including a...
6800834 Arrangement of a high-voltage condenser in a high-frequency apparatus  
A part of a body of a high-voltage condenser ( 28 ) is arranged between a lower plate ( 23 ) constituting a heating chamber ( 21 ), and a bottom plate ( 27 ) thereby to reduce attachment dimension...
6777876 Power-supply unit for microwave tube  
In a power-supply unit for a microwave tube, voltage between a helix power supply terminal and a cathode power supply terminal is divided into voltage slightly lower than the voltage of a collector...
6774567 Microwave oven  
A microwave oven using DC power which can endure strong vibrations and eliminate noise according to noise standards. The microwave oven includes at least one second choke coil which is arranged...
6759636 Mobile microwave oven  
A low-power microwave oven for use in a vehicle has top entry to the heating chamber ( 120 ), is powered from the vehicle's cigarette lighter or accessory socket, and has the controls and display (...
6744209 Microwave oven  
A microwave oven includes a direct current (DC) power supply unit which supplies DC power to a magnetron so as to suppress noise induced in a high voltage line. The DC power supply unit includes at...
6677717 Power supply apparatus of lighting system using microwave  
A power supply apparatus of a lighting system using microwave includes: a high voltage transformer for transforming a general AC power to an AC power of high voltage and outputting the high voltage...
6677558 Key input apparatus in electronic oven and control method thereof  
Disclosed are a key input apparatus in an electronic oven and a control method thereof enabling to reduce a size of a circuit as well as provide a simple design of the key input control part. A key...
6657172 High frequency heating apparatus equipped with oven hood  
A high frequency heating apparatus equipped with the oven hood comprises a heating chamber, a power supply apparatus for controlling high frequency output power by way of a semiconductor element,...
6624579 Magnetron drive power supply  
It is provided a magnetron drive power supply wherein a series connection body of first and second semiconductor switch elements that can be brought into reverse conduction and a series connection...
6593556 Microwave oven and method of controlling the same  
A microwave oven accumulatively counts a cooking time by decreasing the cooking time where an actual cooking operation is not carried out, and various electrical parts, including a high voltage...
6521875 Microwave oven having a conducting member for controlling the supply of electrical power  
A microwave oven includes a pair of terminal members for connecting between a power source and a high voltage transformer, respectively. The terminal members are isolated electrically from each...
6479803 Microwave oven and control method thereof  
Disclosed is a microwave oven including a magnetron, a power supply part supplying an AC power and a high voltage transformer generating a high voltage with the AC power from the power supply part,...
6472649 Microwave oven and method of controlling the same  
A method for controlling a microwave oven including a power supply part supplying an AC power, a high voltage transformer generating a high voltage with the AC power generated from the power supply...
6448541 AC/DC type microwave oven  
An AC/DC microwave oven includes a selecting switch selecting AC or DC input power; a supplier supplying power using a common driving load driven by the DC power, and supplying the AC input power...
6433321 Microwave oven with high-power output switching means  
A microwave oven comprising a magnetron for generating a high frequency in response to a high voltage, a transformer having primary and secondary coils, the transformer generating the high voltage...
6414291 Transformer for a microwave oven  
A transformer for a microwave oven capable of preventing quality deterioration thereof due to damaged insulating paper, includes a first core having a coil inserting section having one open side; a...
6414287 Parts arrangement structure for DC microwave oven  
Disclosed is a parts arrangement structure for a DC microwave oven which is formed by a combination of an upper panel, a lower panel and a rear panel, a space inside the DC microwave oven being...
6396038 Wall-mounted microwave oven and method for controlling the same  
A wall-mounted microwave oven and a method for controlling the same, wherein the microwave oven and a hood unit are prevented from being operated at maximum power at the same time in the initial...
6362463 High frequency heating apparatus  
A high frequency heating apparatus including a circuit for driving a magnetron. A circuit comprises a leakage transformer, a second capacitor connected in series to primary coil of said leakage...
6331699 Microwave heating apparatus requiring reduced power in a standby state  
A microwave heating apparatus operates in either a first mode or a second mode, that allow different amounts of electric power to be supplied to a load and a control circuit for driving and...
6320171 Microwave oven  
A microwave oven having a body casing forming a cooking chamber, an outer casing enclosing the body casing, and a magnetron for supplying the cooking chamber with microwaves is provided. The...
6313450 Microwave oven capable of supplying AC power  
A non-directional frequency generator inputs direct current power and outputs alternating current power. A high voltage transformer inputs the alternating current power, and either induces a higher...
6300610 Microwave oven with door latching member  
A microwave oven comprises a main casing with a cooking chamber, a door for opening and closing the cooking chamber, and a magnetron in the main casing, for heating food within the cooking chamber....
6252213 Method and apparatus for compensating cooking time of microwave oven  
A method for compensating cooking time of a microwave oven which sets an exact reference voltage and automatically controls cooking time in accordance with variation of an input voltage, includes...
6248986 Preferential heating of materials by use of non-ionizing electromagnetic radiation  
Method and apparatus for preferential heating of a material are based on exposing the material to high intensity, pulsed, non-ionizing electromagnetic radiation. The method can destroy...
6222169 Surge-resistant magnetron circuit for use with DC power source  
A magnetron driving circuit has a DC/AC conversion section, a transformer, and a capacitor. The DC/AC conversion section converts a direct current inputted from a direct current power source into...
6172346 Method of processing ceramic materials and a microwave furnace therefore  
A microwave furnace (10) of the type comprising a microwave source (14), coupled to an enclosure for the confinement of microwaves and for containing an object to be heated (12). An independently...
Matches 1 - 50 out of 164 1 2 3 4 >