Patent application number | Description | Published |
20080290087 | Electromagnetic heating - An apparatus for applying RF energy to an object, comprising at least one slower-scanning, frequency source and at least one faster-scanning frequency source, and a controller which sweeps a range of frequencies using the faster-scanning source to measure RF absorption and controls the slower-scanning frequency source based on the sweep. | 11-27-2008 |
20090045191 | Electromagnetic heating - An electromagnetic heater for heating an irregularly shaped object, including:
| 02-19-2009 |
20090057302 | Dynamic impedance matching in RF resonator cavity - A method for matching an impedance of a system comprising a cavity and one or more feeds to an impedance of one or more sources of electromagnetic radiation irradiating a plurality of frequencies into the cavity via the feeds, comprising: determining a plurality of s-parameter of the system for a frequency band; determining the system impedance based on the s-parameters; and modifying the system impedance according to the difference between the impedance of the system and the impedance of the source. | 03-05-2009 |
20090236333 | Food preparation - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 09-24-2009 |
20090236334 | Food preparation - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 09-24-2009 |
20090236335 | Food preparation - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 09-24-2009 |
20100006564 | ELECTROMAGNETIC HEATING - An electromagnetic heater for heating an irregularly shaped object, including:
| 01-14-2010 |
20100006565 | ELECTROMAGNETIC HEATING - An electromagnetic heater for heating an irregularly shaped object, including:
| 01-14-2010 |
20100115785 | DRYING APPARATUS AND METHODS AND ACCESSORIES FOR USE THEREWITH - A method of drying an object comprising, providing an object into an RF cavity; applying broadband RF energy to the object in controlled manner which keeps the object within a desired temporal temperature schedule and within a desired spatial profile; and terminating the drying when it is at least estimated that a desired drying level is achieved. | 05-13-2010 |
20110017728 | ELECTROMAGNETIC HEATING - An electromagnetic heater for heating an irregularly shaped object, including:
| 01-27-2011 |
20110031236 | FOOD PREPARATION - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 02-10-2011 |
20110031237 | METHODS AND SYSTEMS FOR A MODULAR PROCESSING DEVICE - A system for heating one or more objects. The system comprises a first housing comprising a power unit configured for generating radio frequency (EM) radiation, one or more second housings comprising a heating unit having a cavity for positioning one or more objects, and one or more EM radiation conducting elements configured for conducting the EM radiation from the power unit to the cavity for heating the one or more objects. The first housing and one or more of the second housings are physically separated from one another. | 02-10-2011 |
20110031240 | ELECTROMAGNETIC HEATING - An electromagnetic heater for heating an irregularly shaped object, including:
| 02-10-2011 |
20110198343 | 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 portions. | 08-18-2011 |
20120067872 | SYSTEM AND METHOD FOR APPLYING ELECTROMAGNETIC ENERGY - An apparatus for applying electromagnetic energy to an object in an energy application zone via at least one radiating element is disclosed. The apparatus may include at least one processor. The at least one processor may be configured to determine a value indicative of energy absorbable by the object at each of a plurality of frequencies and to cause the at least one radiating element to apply energy to the zone in at least a subset of the plurality of frequencies. Energy applied to the zone at each of the subset of frequencies may be a function of the absorbable energy value at each frequency. | 03-22-2012 |
20120122072 | METHOD AND SYSTEM FOR HEATING AND/OR THAWING BLOOD PRODUCTS - A device for heating one or more blood product units using electromagnetic (EM) energy is disclosed. The device comprises a chamber sized and shaped for containing at least one frozen blood product unit, a dielectric heating unit for applying electromagnetic (EM) energy at a plurality of frequencies to the at least one blood product unit, and a controller for operating the dielectric heating unit to heat the at least one frozen blood product unit to about a body temperature in less than 3 minutes according to a heating pattern. | 05-17-2012 |
20120267361 | ELECTROMAGNETIC HEATING ACCORDING TO AN EFFICIENCY OF ENERGY TRANSFER - A method of delivering energy to an object in a cavity may include transmitting electromagnetic energy to the cavity at a plurality of frequencies. At each of the plurality of frequencies, the method may also include determining an efficiency of energy transfer into the object and adjusting power transmitted at each of the plurality of frequencies such that a multiplicative product of the efficiency and the power transmitted is substantially constant across each of the plurality of frequencies. | 10-25-2012 |
20120312801 | DEVICE AND METHOD FOR HEATING USING RF ENERGY - An apparatus for applying EM energy to a load may include at least one processor configured to receive information indicative of dissipated energy for each of a plurality of modulation space elements and group a number of the plurality of modulations space elements into at least two subsets based on the information received indicative of dissipated energy. The processor may also be configured to associate a power delivery protocol with each of the at least two subsets wherein the power delivery protocol differs between subsets and regulate energy applied to the load in accordance with each power delivery protocol. | 12-13-2012 |
20130048881 | MODAL ANALYSIS - Apparatuses and methods are disclosed for applying electromagnetic energy in a radio frequency (RF) range to an object in an energy application zone via at least one radiating element. At least one processor may be configured to determine locations of a first region and a second region in the energy application zone. In addition, the processor may be configured to regulate a source in order to apply a first predetermined amount of RF energy to the first region in the energy application zone and a second predetermined amount of RF energy to the second region in the energy application zone. The first predetermined amount of energy may be different from the second predetermined amount of energy. | 02-28-2013 |
20130056460 | Food Preparation - Devices and methods for RF heating of food, using techniques which allow uniformity and/or controlled non-uniformity. | 03-07-2013 |
20130062334 | DEVICE AND METHOD FOR CONTROLLING ENERGY - Apparatuses and methods for applying EM energy to a load. The apparatuses and methods may include at least one processor configured to receive information indicative of energy dissipated by the load for each of a plurality of modulation space elements. The processor may also be configured to associate each of the plurality of modulation space elements with a corresponding time duration of power application, based on the received information. The processor may be further configured to regulate energy applied to the load such that for each of the plurality of modulation space elements, power is applied to the load at the corresponding time duration of power application. | 03-14-2013 |
20130087545 | DEVICE AND METHOD FOR CONTROLLING ENERGY - Apparatuses and methods for applying EM energy to a load. The apparatuses and methods may include at least one processor configured to receive information indicative of energy dissipated by the load for each of a plurality of modulation space elements. The processor may also be configured to associate each of the plurality of modulation space elements with a corresponding time duration of power application, based on the received information. The processor may be further configured to regulate energy applied to the load such that for each of the plurality of modulation space elements, power is applied to the load at the corresponding time duration of power application. | 04-11-2013 |
20130119054 | ELECTROMAGNETIC HEATING - An apparatus for applying RF energy, via an antenna, to an object placed in a cavity is disclosed. The apparatus includes a Direct Digital Synthesis (DDS) frequency source configured to feed the antenna with RF energy at a plurality of frequencies, and a controller configured to control the DDS frequency source to apply RF energy to the object. | 05-16-2013 |
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 |
20130171023 | DEVICE AND METHOD OF SANITATION AND/OR STERILIZATION - A device for washing, sanitizing, and/or sterilizing an item is disclosed. The device may comprise a solution applicator for coating a surface of said item with a washing, sanitizing and/or sterilizing solution. The device may also comprise a heating unit for heating the solution coated on the surface of said item to a working temperature. The device may further comprise a control unit for keeping the temperature of the treating substance at the working temperature for a predetermined amount of time. | 07-04-2013 |
20130240757 | LOSS PROFILE ANALYSIS - Apparatuses and methods are disclosed for applying radio frequency (RF) energy to an object in an energy application zone. At least one processor may be configured to cause RF energy to be applied at a plurality of electromagnetic field patterns to the object in the energy application zone. The processor may be further configured to determine an amount of power dissipated in the energy application zone, for each of the plurality of field patterns. The processor may also be configured to determine a spatial distribution of energy absorption characteristics across at least a portion of the energy application zone based on the amounts of power dissipated when the plurality of field patterns are applied to the energy application zone. | 09-19-2013 |
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 |
20140063676 | Ferrite-induced spatial modification of EM field patterns - An apparatus for exciting a rotating field pattern in a cavity containing an object, the apparatus comprising a radiating element configured to excite an electromagnetic (EM) field pattern in the cavity, wherein the EM field pattern is excited with EM energy at a frequency in the radio-frequency (RF) range, a field rotating element configured to rotate the EM field pattern, wherein the field rotating element has an anisotropy, the anisotropy selected from magnetic anisotropy, electric anisotropy, and a combination of magnetic and electric anisotropies, and a controller configured to determine the EM field pattern according to value indicative of energy absorbable by the object and to control the anisotropy of the field rotating element in order to rotate the EM field pattern. | 03-06-2014 |
20140345152 | DRYING APPARATUS AND METHODS AND ACCESSORIES FOR USE THEREWITH - A clothes dryer includes a cavity adapted to receive at least one item of clothing, at least one RF feed which feeds RF energy into the cavity, and a spectral imaging module adapted to provide a spectral image comprising input efficiency to the cavity as a function of frequency. A controller controls one or more characteristics of the RF energy to heat a liquid within and/or on fibers of the at least one item of clothing, in which the controller reduces amounts of energy directed to problem areas in the spectral image. | 11-27-2014 |