Class / Patent application number | Description | Number of patent applications / Date published |
219704000 | Load condition sensor | 48 |
20080223854 | MICROWAVE OVEN WITH ONE-TOUCH BUTTON USER INTERFACE - A cooking oven, particularly a microwave oven, comprises means for detecting food data and for adjusting food heating and/or cooking process accordingly. The oven further comprises an user interface with at least one socket-shaped seat adapted to receive a removable plug-shaped button which stores said food data and which is adapted to be pressed by the user for starting said heating and/or cooking process or for programming such heating or cooking. | 09-18-2008 |
20100006565 | ELECTROMAGNETIC HEATING - An electromagnetic heater for heating an irregularly shaped object, including:
| 01-14-2010 |
20100108667 | Fuzzy Logic-Based Control of Microwave Dryers - A fuzzy logic-based system and method for controlling the drying of material by a microwave applicator. The system includes power output controller that controls applicator output power; material sensor that detects amount of material in the applicator; and fuzzy logic controller that receives a signal from the material sensor indicating the current amount of material in the applicator and adjusts the microwave output power based on the current amount of material in accordance with fuzzy logic rules by sending a control signal to the power output controller. A membership function divides the expected range for the amount of material into multiple regions, each region having precomputed regional output settings. The regional output settings of the regions that include the current amount of material are used to compute the control signal. | 05-06-2010 |
20100301039 | COOKER - A cooking device includes a heating chamber, a heating pan, a high-frequency wave supply unit which generates microwaves, an antenna which radiates the microwaves generated by the high-frequency wave supply unit, an operation unit which receives information on heating treatment of an object to be heated, and a control unit which controls the heating treatment of the object to be heated on the basis of the information on the heating treatment obtained from the operation unit. The control unit controls the orientation of the portion of the antenna which has high radiation directivity on the basis of the information, which is received from the operation unit, on the heating treatment of a first object to be heated placed on a placing table used also as a bottom surface of the heating chamber and a second object to be heated placed on the heating pan. | 12-02-2010 |
20110114633 | MICROWAVE OVEN AND RELATED METHOD - A method of operating a microwave oven and a microwave oven are disclosed. The microwave oven comprises a magnetron for providing microwave power to heat a load placed in the microwave oven, and a solid-state microwave generator for providing microwave power to sense presence and/or determine nature of the load in the microwave oven. | 05-19-2011 |
20120067873 | MICROWAVE HEATING DEVICE AND MICROWAVE HEATING METHOD - In order to provide a microwave heating device and a microwave heating method, which can surely prevent a microwave generating part from being destroyed by reflected power and which can heat a heating-target portion in a heating chamber with high efficiency, the present invention is configured such that, prior to a control part ( | 03-22-2012 |
20120111856 | MICROWAVE HEATING DEVICE AND MICROWAVE HEATING CONTROL METHOD - In order to provide a microwave heating device and a microwave heating control method which are capable of uniformly heating a to-be-heated object in a desired state, by employing plural feeding portions provided in a heating chamber on the basis of information about reflected electric power from the respective feeding portions; a control portion controls to supply microwave electric power from plural feeding portions to a heating chamber by operating a microwave generating portion at a heating frequency for heating a to-be-heated object, estimates a heating state for the to-be-heated object on the basis of per-unit-time increase/decrease change states of detected levels of detection signals detected by electric-power detection portions, and controls the heating frequency and the microwave electric power supplied from the feeding portions to the heating chamber. | 05-10-2012 |
20150359047 | HEATING COOKER - The heating cooker includes: a heating compartment having a bottom tray mounted at the bottom part; a light source provided on the upper side of the heating compartment; a light-receiving element for receiving light transmitted by the bottom tray out of the light emitted from the light source, the light-receiving element being provided on the lower side of the bottom tray; and a determining part for determining, on the basis of a light-reception signal detected by the light-receiving element, the presence/absence or the size of a heating object placed on the bottom tray in the heating compartment. Thus, a heating cooker capable of preventing leakage of steam and detecting the presence/absence of food in the heating compartment, even when heat cooking using steam is performed, is provided. | 12-10-2015 |
20160088689 | PROCESSING OBJECTS BY RADIO FREQUENCY (RF) ENERGY - A method of processing an object is disclosed. The method comprises heating the object by applying radio frequency (RF) energy, monitoring a value related to a rate of absorption of RF energy by the object during the heating, and adjusting the RF energy in accordance with changes in a time derivative of the monitored value. | 03-24-2016 |
20160095171 | CALIBRATION OF AN RF PROCESSING SYSTEM - Apparatuses and methods are provided for processing an object in a cavity. The apparatuses include at least one radio frequency (RF) energy supply component configured to supply RF energy for application to one or more radiating elements configured to emit RF radiation in response to the applied RF energy. In some embodiments, a provided apparatus also includes a memory storing a set of coefficients associated with the RF energy supply component; and a processor configured to receive feedback in response to emission of RF radiation by the one or more radiating elements and control application of RF energy to one or more of the radiating elements based on the feedback and the set of coefficients. | 03-31-2016 |
219705000 | Plural diverse types | 6 |
20130306627 | INTERFACE FOR CONTROLLING ENERGY APPLICATION APPARATUS - The present disclosure relates to an apparatus for processing objects with RF energy. The apparatus may include a display for displaying to a user an image of an object to be processed, the image including at least a first portion and a second portion of the object. The apparatus may also include an input unit and at least one processor configured to: receive information based on input provided to the input unit; and generate, based on the received information, processing information for use in processing the object to achieve a first processing result in the first portion of the object and a second processing result in the second portion of the object. | 11-21-2013 |
20130334215 | MICROWAVE HEATING APPARATUS WITH MULTI-FEEDING POINTS - A microwave heating apparatus and a method of heating a load using microwaves is disclosed. The microwave heating apparatus includes a cavity configured to receive a load, a microwave source for generating microwaves and a plurality of transmission lines for guiding the generated microwaves to the cavity. The microwave heating apparatus may also include an electronic device adapted to adjust the impedances of each of the plurality of transmission lines individually, a measuring device adapted to obtain a signal representative of the impedance of each one of the plurality of transmission lines, and a control unit configured to control the electronic device based on the obtained signals. The microwave heating apparatus, as disclosed, provides a microwave heating apparatus configured to heat a load with improved energy efficiency and improved heating evenness. | 12-19-2013 |
20140021197 | MICROWAVE ABLATION GENERATOR CONTROL SYSTEM - A microwave energy delivery and measurement system, including a microwave energy source configured to delivery microwave energy to a microwave energy delivery device, a measurement system configured to measure at least one parameter of the microwave energy delivery device and a switching network configured to electrically isolate the microwave energy source and the measurement system. The measurement system is configured to actively measure in real time at least one parameter related to the microwave energy delivery device. | 01-23-2014 |
20140203012 | MICROWAVE OVEN MULTIVIEW SILHOUETTE VOLUME CALCULATION FOR MASS ESTIMATION - A microwave heating apparatus includes a cavity arranged to receive a load. At least one microwave generator is configured to feed a plurality of microwaves into the cavity. At least one image-capturing device and a control unit is adapted to obtain load volume information of the load within the cavity based on information recorded by the image-capturing device about at least one portion of the load, obtain load density information using at least one of a user input and information recorded by the image-capturing device about at least one portion of the load, determine load mass information based upon the load volume information and the load density information, determine a heating pattern based upon the load mass information and control the at least one microwave generator to provide the heating pattern within the cavity. | 07-24-2014 |
20140231418 | MICROWAVE HEATING DEVICE - An aspect of the present invention provides a microwave heating device for an object having a plurality of parts, the microwave heating device including: a plurality of antennas which emits microwaves to a heating chamber inside; a sensor which detects information from a block model assigned the information indicating a characteristic of each of the parts; a display and input operation unit configured to receive an input of heating conditions for the object; an electromagnetic field analysis unit configured to derive a heating profile by electromagnetic field analysis based on the information detected by the sensor and the heating conditions inputted to the display and input operation unit, the heating profile including microwave emitting conditions for the object; and a control unit configured to control performance of the microwaves emitted from the antennas based on the derived heating profile. | 08-21-2014 |
20160192446 | SYSTEM, METHOD, AND PROCESS FOR SELECTIVE HEATING OF MATERIALS IN AN ELECTROMAGNETIC OVEN - A selective heating device may comprise a chamber configured to contain a target to be at least partially heated, at least one heating element, and a controller. The at least one heating element may be configured to selectively heat a first portion of the target at a first energy level for a first period of time. The at least one heating element may also be configured to selectively heat a second portion of the target at a second energy level for a second period of time, wherein the second energy level and/or the second period of time are different from the first energy level and/or the first period of time; or refrain from heating a third portion of the target; or a combination thereof. The controller may be configured to receive a heating instruction and control the at least one heating element based on the heating instruction. | 06-30-2016 |
219706000 | By ultrasonic or acoustic | 1 |
20100032430 | MICROWAVE OVEN - A microwave oven, especially for personal use, includes a relay and a sound sensor. In at least one embodiment, the relay is connected to the sound sensor, arranged in the microwave oven, in such a manner that the supply of power by microwaves in the oven, when in use, is interrupted by the relay at a signal from the sound sensor when an acoustic signal is generated by a valve of a container being heated in the microwave oven. | 02-11-2010 |
219707000 | Gas or vapor | 2 |
20160119983 | APPLICATION USING A SINGLE PHOTON AVALANCHE DIODE (SPAD) - An oven may include a housing having a cooking receptacle configured to hold content therein, a heating element carried by the housing and configured to heat the content, and a proximity detector carried by the housing in the cooking receptacle and configured to detect surface movement of the content. The proximity detector may include at least one SPAD. | 04-28-2016 |
20160128138 | METHOD AND DEVICE FOR PROCESSING FROZEN FOOD - The present invention relates to a method of processing frozen food, the method comprising the steps of: applying a first thermal power to the frozen food; detecting a water phase change of the frozen food; and applying a second thermal power to the frozen food when the water phase change of the frozen food is detected. A device based on said method is also proposed. The method detects the water phase in food as the indicator of the thawing process, and can detect thawing progress through the change of this indicator. With the proposed method or device, the thawing progress of the frozen food can be controlled intelligently and more precisely. | 05-05-2016 |
219709000 | Field intensity/reflection | 14 |
20130056460 | Food Preparation - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 03-07-2013 |
20130146590 | SPATIALLY CONTROLLED ENERGY DELIVERY - Apparatuses and methods are disclosed for applying radio frequency (RF) energy from a source of electromagnetic energy to an object in an energy application zone. At least one processor may be configured to acquire information indicative of electromagnetic energy loss associated with at least a portion of the energy application zone. The processor may be further configured to determine a weight to be applied to each of a plurality of electromagnetic field patterns each having a known electromagnetic field intensity distribution and cause the source to supply each of the plurality of electromagnetic field patterns to the energy application zone at the determined weights. | 06-13-2013 |
20130256302 | RETURNED POWER FOR MICROWAVE APPLICATIONS - The present invention related to devices and methods that use returned power (RP) measurements during microwave energy delivery to perform one or more functions. For example, microwave devices and systems that comprise one or more features to measure the returned microwave power. One or more measurements of the returned microwave power may be used to obtain information about one or more of: antenna shape, system status and system performance. One or more measurements of the returned microwave power shaping elements may also be used to obtain information about one or more properties of the target material. The invention also discloses devices and methods for delivering microwave energy to a variety of target materials to achieve a variety of desired microwave effects. | 10-03-2013 |
20130284725 | Device and Method for Heating Using RF Energy - A method of heating and/or thawing using an RF heater is described. In some cases the heating differentially heats portions according to their dissipation ratios. Optionally, this avoids dissipating large amounts of energy into thawed portions while frozen portions are still extant and heat slowly. Optionally, this prevents overheating of thawed potions. | 10-31-2013 |
20130313250 | RF Energy Application Based on Absorption Peaks - Methods and apparatuses for processing objects by RF energy are disclosed. In some embodiments the method may include grouping excitation setups into at least a first group corresponding to a first peak and a second group corresponding to a second peak. The method may further include applying RF energy such that an amount of RF energy absorbed at excitation setups of the first group is equal to an amount of RF energy absorbed at excitation setups of the second group. Apparatuses according to some embodiments may include a processor configured to carry out aspects of the method. | 11-28-2013 |
20130334216 | MICROWAVE HEATING APPARATUS - An apparatus and a method for heating a load using microwaves is disclosed. The apparatus includes a transmission line, configured to transmit microwaves from a microwave generator to a cavity. A sensing device configured to measure electromagnetic field strengths for providing information about the phase and the amplitude of a reflection coefficient that represents a ratio between the amount of microwaves reflected back towards the microwave generator and the amount of microwaves transmitted in the transmission line from the microwave generator. A control unit configured to detect whether the measured electromagnetic field strengths correspond to a reflection coefficient having a phase within a certain interval of phases and an amplitude within a certain interval of amplitudes. Additionally, certain intervals of phases and amplitudes correspond to an operating region of the microwave generator. The control unit controls feeding of microwaves to the cavity based on this detection. | 12-19-2013 |
20140190960 | RETURNED POWER FOR MICROWAVE APPLICATIONS - The present invention related to devices and methods that use returned power (RP) measurements during microwave energy delivery to perform one or more functions. For example, microwave devices and systems that comprise one or more features to measure the returned microwave power. One or more measurements of the returned microwave power may be used to obtain information about one or more of: antenna shape, system status and system performance. One or more measurements of the returned microwave power shaping elements may also be used to obtain information about one or more properties of the target material. The invention also discloses devices and methods for delivering microwave energy to a variety of target materials to achieve a variety of desired microwave effects. | 07-10-2014 |
20140305934 | Method and apparatus for controlled broadband microwave heating - A materials processing system comprises a thermal processing chamber and a broadband microwave power source. The power source includes an ovenized small-signal RF circuit, a high power microwave amplifier, and forward and reflected power detectors separated from one another by an isolator. The power detectors are also preferably ovenized. A control system provides control signals to the thermally stabilized VCO and VCA in the small-signal circuit to control output power based on detected forward power compared to demanded forward power. The system may be run in either open-loop or closed-loop modes. | 10-16-2014 |
20150041458 | MICROWAVE TREATMENT DEVICE - A microwave processing apparatus is provided with an oscillator, a power amplifier, a heating chamber that accommodates an object to be heated, a power feeder which is disposed on a wall surface of the heating chamber, which receives an output transmitted from a microwave generator and which radiatively feeds the microwave into the heating chamber, and a power detector that detects the power reflected from the power feeder to the power amplifier. The microwave processing apparatus determines a plurality of points of heating frequencies by using top several points of minimum point frequencies of the reflected power, and performs frequency hopping heating within a predetermined unit time. | 02-12-2015 |
20150053671 | MICROWAVE FREQUENCY SETTING DEVICE, MICROWAVE FREQUENCY SETTING METHOD, AND RECORDING MEDIUM - According to a microwave frequency setting device, an additional signal source outputs an additional signal. An adder adds the additional signal to a microwave to output the microwave thus-obtained. A reflected signal measurement section measures a power of a reflected signal that is produced by reflection of an output from the adder having entered a microwave furnace, the microwave furnace being adapted to accommodate therein an object to be processed with the microwave. A local minimum frequency measurement section measures a local minimum frequency, the local minimum frequency being a frequency at which a measurement result provided by the reflected signal measurement section has a local minimum. A frequency setting section sets a frequency of the microwave to the local minimum frequency measured by the local minimum frequency measurement section. A frequency band of the additional signal includes a resonance frequency of the microwave furnace. | 02-26-2015 |
20150136760 | MICROWAVE OVEN USING SOLID STATE AMPLIFIERS AND ANTENNA ARRAY - A microwave oven may include a housing defining an oven cavity therein configured to receive material to be heated, and a plurality of solid state microwave generating cells carried by the housing. At least one feedback circuit may be carried by the housing and configured to detect EM radiation within the oven cavity not absorbed by the material to be heated. A processor may be carried by the housing and coupled to the plurality of microwave beamforming cells and to the at least one feedback circuit. The processor may be configured to receive feedback from the at least one feedback circuit based upon the EM radiation not absorbed by the material to be heated, and control phase shifters of the beamforming cells to change the patterns of EM energy transmitted by antennas of the beamforming cells based upon the feedback received from the at least one feedback circuit. | 05-21-2015 |
20150144621 | MATCHING METHOD AND MICROWAVE HEATING METHOD - A matching method and a microwave heating method in a microwave heating apparatus for heating a substrate by introducing a microwave into a processing chamber comprises an initial matching step of performing a matching so that a reflection power to a microwave introducing unit is minimized in a state where the substrate is maintained at a first height position by a supporting member. And a second height position determination step of introducing the microwave into the processing chamber by the microwave introducing unit and determining a second height position of the substrate based on at least a temperature of the substrate while adjusting a height of the substrate by the supporting member. | 05-28-2015 |
20160088847 | PROCESSING OBJECTS BY RADIO FREQUENCY (RF) ENERGY - A method of processing an object is disclosed. The method comprises heating the object by applying radio frequency (RF) energy, monitoring a value related to a rate of absorption of RF energy by the object during the heating, and adjusting the RF energy in accordance with changes in a time derivative of the monitored value. | 03-31-2016 |
20160113072 | RF ENERGY APPLICATION BASED ON ABSORPTION PEAKS - An object is processed in a cavity resonator by application of radiofrequency energy to the cavity resonator through a plurality of feeds. Excitation setups are grouped into a plurality of peaks based on values of an absorbability indicator associated with each of the excitation setups. At least one peak among the plurality of peaks is selected based on the values of the absorbability indicator associated with the excitation setups grouped into each peak. Radiofrequency energy is applied to the cavity resonator based on the selection, in which the excitation setups are multi-dimensional. | 04-21-2016 |
219710000 | Temperature | 15 |
20080245787 | CONTROLLING AND MODERATING MICROWAVE ENERGY IN CONCURRENT MULTIPLE SAMPLE WELL APPLICATIONS - A system for microwave assisted high-throughput chemical processes is disclosed. The system includes a source of microwave radiation, a microwave cavity in communication with the source, and a microtiter plate in the cavity. The microtiter plate is formed of a microwave transparent material and includes a plurality of sample wells. A fluid chamber is defined by the interior of the four walls, the base, the profiles of the wells, and by the top surface of the microtiter plate. A microwave-moderating fluid in the chamber helps produce a more uniform microwave field among the individual wells in the microtiter plate when microwaves are applied in the cavity from the source. | 10-09-2008 |
20090236335 | Food preparation - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 09-24-2009 |
20090321429 | Microwave oven - Generally and not exclusively, a microwave cooking oven to cook food in a microwave chamber (e.g., a cooking chamber) includes a microwave power source, and a microwave control unit. The control unit includes a microwave detector to detect the microwave power in the cooking chamber, and a control circuit to determine the food optical density or food temperature, based on the microwave power being absorbed by the food. The control circuit determines the microwave power being absorbed based on the difference between the power emitted into the cooking chamber and the power detected within the cooking chamber. In one illustrative embodiment, microwave power is emitted by multiple ports from different directions, and the microwave power absorbed by the food along these different directions is measured. The control circuit then determines the optical density or temperature of the food along each direction. In one illustrative embodiment, the control circuit directs the power source to emit microwave power based on the determined power being absorbed by the food. | 12-31-2009 |
20110284528 | MICROWAVE OVEN - A microwave oven includes: heating chamber ( | 11-24-2011 |
20130001221 | Instrument for Performing Microwave-Assisted Reactions - An instrument for performing microwave-assisted reactions and an associated method are disclosed. The instrument typically includes (i) a microwave-radiation source, (ii) a cavity, (iii) a waveguide in microwave communication with the microwave-radiation source and the cavity, (iv) at least one reaction-vessel sensor for determining the number and/or type of reaction vessels positioned within the cavity, (v) an interface, and (vi) a computer controller. The computer controller is typically in communication with the interface, the microwave-radiation source, and the reaction-vessel sensor. The computer controller is typically capable of determining the output of the microwave-radiation source in response to the number and/or type of reaction vessels positioned within the cavity. | 01-03-2013 |
20130026157 | Dental Furnace - This invention relates to a device for drying at least one object containing a liquid, in particular a dental restoration object ( | 01-31-2013 |
20140001176 | APPARATUS FOR RAPID SYNTHESIS OF FUEL CELL CATALYST USING CONTROLLED MICROWAVE HEATING | 01-02-2014 |
20160014853 | Instrument for Performing Microwave-Assisted Reactions | 01-14-2016 |
20160029441 | PREFERENTIALLY DIRECTING ELECTROMAGNETIC ENERGY TOWARDS COLDER REGIONS OF OBJECT BEING HEATED BY MICROWAVE OVEN - Systems and/or techniques for preferentially directing electromagnetic energy towards colder regions of an object are provided. During at least a portion of a heat treatment via a microwave oven, temperature measurements of the object are acquired to identify colder regions of the object. Microwaves ovens often heat objects non-uniformly. For example, an outer surface of a burrito may be hot-to-touch while a center core of the burrito is still frozen. | 01-28-2016 |
20160050722 | Waveguide Exposure Chamber for a Micrwave Energy Applicator - A microwave heating device for activating a microwave-activatable foam insulating material within the dual sidewalls of a beverage cup. The device has a waveguide that defines an exposure chamber for the articles. The waveguide has a plurality of 90-degree twisted rectangular sections, for rotating a perpendicular microwave field pattern along the length of the waveguide. A continuous flexible belt made of a dielectric material passes into and through the exposure chamber along a conveying path, and is formed and maintained into a curled shape in cross section through the exposure chamber to retain the untreated beverage cup upon the curled belt. | 02-18-2016 |
20160165673 | OVER-THE-RANGE MICROWAVE OVEN WITH AN INTEGRATED DUCT - An over-the-range microwave oven that includes a duct unit configured to direct air from the back of the oven to the front and further includes an integrated duct module. The duct unit includes: a first panel at the bottom, a pair of second panels forming both lateral side surfaces of the duct unit. The integrated duct module is disposed on the first panel and integrates a plurality of electrical components, such as a power source unit, a running capacitor, a noise filter and a fuse. | 06-09-2016 |
20160198530 | INTEGRATED SOLID STATE MICROWAVE POWER GENERATION MODULES | 07-07-2016 |
219712000 | Probe | 3 |
20160150602 | MICROWAVE HEATING ELEMENT - A microwave heating element includes a microwave antenna configured to absorb power from a microwave field in a microwave oven, a housing having a first end coupled to the microwave antenna and a second end configured to be inserted into an item to be heated, and a transmission line positioned within the housing, the transmission line having an end coupled to the microwave antenna. The transmission line is configured to spatially distribute the power absorbed from the microwave field into the item to be heated at a location between the first end and the second end of the housing. | 05-26-2016 |
219713000 | Wireless type | 2 |
20080210685 | Household Appliance, Especially Cooking Apparatus, Comprising a Device For Measuring a Physical Parameter - A household appliance has a housing and a door that define an interior, and an electric controller. A measuring device is disposed in the interior for measuring a physical parameter and includes a measuring probe and a probe antenna. A lighting device for illuminating the interior of the household appliance includes a cover and a transmit or receive antenna. The transmit or receive antenna is disposed on the housing and sealed from the interior in a substantially airtight manner using the cover. The transmit or receive antenna is in signal communication with the electric controller allowing wireless signal transmission between the measuring probe and the electric controller. | 09-04-2008 |
20140284324 | TEMPERATURE CONTROL DEVICE - A temperature control device which can control the temperature of an object to be processed even after supply of radio waves or electromagnetic waves from a high-frequency heating apparatus is stopped. The temperature control device includes a temperature sensor detecting the temperature of the object to be processed heated by radio waves generated from the high-frequency heating apparatus, a signal processing circuit comparing the temperature detected by the temperature sensor with a standard temperature, a rechargeable battery charged by electric energy generated by reception of the radio waves by an antenna, a charging circuit controlling charging of the rechargeable battery, and a heater supplied with electric power from the rechargeable battery to heat the object to be processed so that the temperature thereof gets closer to the standard temperature, in accordance with a comparison result by the signal processing circuit. | 09-25-2014 |