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 |
20110031240 | ELECTROMAGNETIC HEATING - An electromagnetic heater for heating an irregularly shaped object, including:
| 02-10-2011 |
20110154836 | RF CONTROLLED FREEZING - Disclosed is a method of freezing a body or a portion thereof. The method comprises exposing at least a part of the body to a coolant having a temperature below the freezing point of the body, and at the same time operating an electromagnetic heater, as to maintain the at least part of the body at a temperature above its freezing point; and reducing the electromagnetic heating to allow the at least a part of the body to freeze. The electromagnetic heater comprises a resonator, and the heated part of the body is heated inside the resonator. | 06-30-2011 |
20120168645 | Calibrated Energy Transfer - Apparatuses, methods, kits, and systems relating to applying electromagnetic energy to an object located at least partially in an energy application zone are disclosed. Some apparatuses may include a processor configured to determine a preliminary amount of energy to be dissipated in the object and determine a corrected amount of energy based on the preliminary amount of energy and calibration information. The processor may be further configured to cause a source to transfer energy to the energy application zone and determine an amount of delivered energy, based on an amount of energy returned from the energy application zone and an amount of energy supplied to the energy application zone. The processor may also be configured to cause the source to transfer energy to the energy application zone at least until the amount of delivered energy equals the corrected amount of energy. | 07-05-2012 |
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 |
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 |
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 |
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 |