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Document Title |
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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6153870 |
AC/DC type microwave oven
Disclosed is an AC/DC type microwave oven. The AC/DC type microwave oven comprises a rotatable inverter which inverts a DC power source to an AC power source by means of a rotational force, a high...
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6150645 |
Radiation control system
A control system for a blind microwave radiation tool a workpiece is described. The controlled system automatically tunes the cavity containing the workpiece. The control system automatically...
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6140627 |
Control panel assembly of a microwave oven
A control panel assembly of a microwave oven which is easy to use, including: a front panel section having first and second cooking mode single-functional buttons comprised of a plurality of...
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6057533 |
Control panel of a microwave oven having slide type power control knob
Disclosed is a control panel of a microwave oven comprising a panel body, a timing device, a time control knob, and a power control knob assembly. The power control knob assembly has a pinion...
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6054696 |
Feedback system to automatically couple microwave energy into an applicator
A microwave processing system comprising a microwave applicator and a microwave source. A microwave source generates a microwave field at an output frequency. A frequency of the microwave field in...
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6049071 |
Device for the power supply of a non-linear load, especially a magnetron of a microwave oven
A power supply device for a non-linear load, especially a magnetron for microwave ovens, includes a resonant transformer. Using a fuzzy logic management unit, a level of a low voltage signal on the...
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5986246 |
Power supply cut-off apparatus of microwave oven
A power supply cut-off apparatus of a microwave oven includes a switch box, which is pivotally opened and closed, and provided at a prescribed position of an outer panel. A power supply connection...
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5986247 |
High frequency heating device which is safe when its exterior is removed
A high frequency heating device having a switching member screwed into a screw hole formed in a flange and fixed to the exterior. When the exterior is fixed to the body, a through-hole formed at...
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5981925 |
Power supply for a continuous wave microwave magnetron
A power supply for a CW magnetron, devoted for use in microwave heating equipment. A power supply according to the present invention (FIG. 1) has a high-voltage line transformer (1) with secondary...
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5977530 |
Switching power supply for high frequency heating apparatus
A switching device is employed in a power supply for driving a magnetron with lower withstand voltage and better controllability. A high frequency heating apparatus comprises a power supply, a...
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