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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 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 high frequency heating apparatus and a voltage generated at ... | 08/19/2008 |
| 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 winding cathode low AC signal and a secondary winding providing a high vo... | 07/29/2008 |
| 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 using automatic cooking information, and a cooking control method us... | 02/05/2008 |
| 7304274 | Control of a cooktop heating element A user control generates a heat level input signal responsive to a user of a cooktop heating element. Logic generates an output signal having a duty cycle corresponding to the input signal. An electromechanical device connected to apply power from a source to the he... | 12/04/2007 |
| 7304869 | Inverter power source control for high frequency heater At least one of a start abnormality detector (31), a temperature abnormality detector (32) and a voltage abnormality detector (33) has a latch inhibiting circuit for inhibiting retention of a detecting state when one of the abnormality detectors... | 12/04/2007 |
| 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 switching elements. In a resonant type high frequency heating ... | 10/16/2007 |
| 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 varies a pulse width of high level interval of a driving pulse accor... | 10/16/2007 |
| 7253383 | Transformer assembly for microwave oven, method for manufacturing the same, and microwave oven having the same A transformer assembly for a microwave oven having a magnetron, including a transformer to apply voltage to the magnetron of the microwave oven; a container receiving the transformer therein and having a base plate coupled to the microwave oven and a cover body coup... | 08/07/2007 |
| 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 the tray is temporarily stopped near the point of time when the popcorn... | 07/10/2007 |
| 7236379 | Passive power filter circuit The present invention discloses an improved passive power filter circuit, wherein a rated compensating voltage is provided for the power factor compensating circuit in order to solve the problem of instable power output resulting from that the rated voltage is obtai... | 06/26/2007 |
| 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 the AC power source (1) to a sinusoidal wave by making bot... | 06/12/2007 |
| 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 inverter power supply. The holding member is provided with a holding p... | 05/08/2007 |
| 7138614 | Non-contact feeder system A non-contact feeder system to supply an induced current to an electrical load includes at least three feeding cables arranged approximately parallel with one another along a moving direction of the electrical load; a plurality of AC power supplies to supply AC curr... | 11/21/2006 |
| 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 includes a rotary dial, a shaft fixed, at one end thereof, to the rotary... | 09/19/2006 |
| 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 spectrum in the chamber even when a device under examination is placed into ... | 09/12/2006 |
| 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 switch circuit is connected between the power supply unit and the cathode... | 09/05/2006 |
| 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 panel, and a transparent plate completely covering the irradiation hole. ... | 08/15/2006 |
| 7072192 | Power circuit restraining rush current A power circuit for an electronic machine includes first and second step-up circuits, and a voltage applier. The first step-up circuit has a step-up transformer and a current controller. The current controller controls the amount of current supplied to the primary s... | 07/04/2006 |
| 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 then lowered during the normal operation of the oven after the lapse ... | 06/20/2006 |
| 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 output. Thereafter, the magnetron is driven using initial input current of ... | 06/20/2006 |
| 7060954 | Magnetron drive power supply Timing of zero voltage in zero-voltage detector for detecting zero voltage of a commercial power supply 1 is predicted and input from the zero-voltage detector 6 is received only for a given time before and after the predicted timing, whereby overvolta... | 06/13/2006 |
| 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 from the DC voltage source, controlling part for controlling the swit... | 04/25/2006 |
| 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 compensating a power factor of the DC voltage inputted through the rectifier... | 04/11/2006 |
| 7026589 | Microwave oven A microwave oven with a control panel including a case, a circuit board mounted to the case, and a coupling device adapted to couple the case and the circuit board. The coupling device includes a plurality of coupling members protruded from an inner surface of the c... | 04/11/2006 |
| 7009147 | Operational modes for a cooking appliance employing combination cooking technology A cooking appliance includes a controller for establishing a plurality of operating modes for heating an oven cavity. Specifically, the controller establishes one of a pre-heat mode, a ready mode, a first low power mode and a second low power mode for controlling a ... | 03/07/2006 |
| 6995522 | Phase controller In a phase controller used in a light control of an incandescent lamp, noise reduction, prevention of elements from damage due to short circuit current, downsizing and lower cost are purposed. A CPU circuit of a control circuit sets a gradual increase term during wh... | 02/07/2006 |
| 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 power of a combination hood and microwave oven, wherein an output level ... | 11/15/2005 |
| 6951997 | Control of a cooktop heating element A user control generates a heat level input signal responsive to a user of a cooktop heating element. Logic generates an output signal having a duty cycle corresponding to the input signal. An electromechanical device connected to apply power from a source to the he... | 10/04/2005 |
| 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 the potential for airflow paths to be broken up or blocked by the conf... | 09/13/2005 |
| 6911778 | Ignition control circuit for gas discharge lamps The disclosure includes an ignition control circuit comprising a transformer having at its secondary side an operating winding, and at least one filament winding. In a pre-heating phase, only the filament winding, which is normally connected to the filaments of a la... | 06/28/2005 |
| 6906298 | Magnetron driving circuit board for microwave oven A microwave oven having a magnetron that generates microwaves, a magnetron driving circuit that supplies high voltage power to the magnetron and a machine room that accommodates the magnetron and the magnetron driving circuit. The microwave oven includes a single ma... | 06/14/2005 |
| 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 voltage into an AC voltage of a predetermined frequency; rectifying the d... | 06/07/2005 |
| 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) voltage generator for rectifying and smoothing a commercial alternating ... | 04/26/2005 |
| 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 AC by a driving pulse; a high voltage transformer to transform the AC ... | 02/08/2005 |
| 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 electric device by manipulation of a user and generates a power amount contr... | 02/01/2005 |
| 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 cooking mode, an oven temperature, and a cooking time. Up to five fa... | 10/26/2004 |
| 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 of the high-voltage condenser (28), whereb... | 10/05/2004 |
| 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 power supply terminal. Uni-directional conductive means is provided ... | 08/17/2004 |
| 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 outside a magnetron filter box and connected in series to at least one f... | 08/10/2004 |
| 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 (60) and the cooling vents (80 and 110) also... | 07/06/2004 |
