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| Number | Title | Issue Date |
| 7358464 | Method for temperature measurement in a household appliance A method for temperature measurement in a household appliance includes generating a high-frequency electromagnetic excitation wave of a predefined transmit frequency. The transmit frequency is selected from a frequency band including temperature-dependent resonant f... | 04/15/2008 |
| 7326894 | Heating element on the polymer inside surface of a motor vehicle front-end module/bumper in an operative connection to a radar transmitter/receiver unit A heating element for an inside surface of a front-end module/bumper for a motor vehicle. The heating element is operatively connected to a radar transmitting/receiving unit. The heating element includes a heating film formed of a polymer, an array of conductor stri... | 02/05/2008 |
| 7256376 | Microwave sensor and mutual interference preventing system between microwave sensors A microwave sensor is provided that transmits microwaves toward a detection area, performs an object detecting operation based on reflected waves from an object being present in the detection area, and outputs an object detection signal based on a result of the abje... | 08/14/2007 |
| 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 |
| 7208709 | Pressure measurement in microwave-assisted chemical synthesis A pressure-measuring vessel system for microwave assisted chemical processes is disclosed. The vessel system includes a pressure resistant vessel that is otherwise transparent to microwave radiation, a pressure-resistant closure for the mouth of the vessel, with por... | 04/24/2007 |
| 7141769 | Spectroscopy-based real-time control for microwave-assisted chemistry The invention is an instrument and method for microwave-assisted chemical synthesis. The instrument includes a source of microwave radiation for applying microwave energy to a sample, a microwave cavity in wave communication with the source for holding the sample du... | 11/28/2006 |
| 7087874 | Apparatus for drying ceramic molded articles using microwave energy An apparatus and a method, for drying ceramic molded articles, are disclosed. A drying apparatus (1) comprises a drying chamber (10) for accommodating ceramic molded articles (8), a plurality of microwave generators (20) for supplying mic... | 08/08/2006 |
| 7007405 | Method of drying book and similar paper-based materials A method and apparatus for drying book and similar paper-based materials in wet or frozen state, in which the material dried is exposed to microwave irradiation with frequency from 500 MHz to 10 GHz and in which the book or similar paper-based materials is lined wit... | 03/07/2006 |
| 7002429 | Nonreflective waveguide terminator and waveguide circuit A nonreflective waveguide terminator includes a waveguide portion and an electromagnetic wave absorber. The portion has a rectangular opening in a plane perpendicular to a radio-wave propagation direction. The portion has one open end in the direction and the other ... | 02/21/2006 |
| 6989519 | Controlled flow instrument for microwave assisted chemistry with high viscosity liquids and heterogeneous mixtures A controlled-flow microwave instrument for chemical synthesis using heterogeneous or highly viscous starting materials includes a microwave source for generating electromagnetic radiation in the microwave frequencies, a microwave cavity in wave communication with th... | 01/24/2006 |
| 6966226 | Pressure measurement in microwave-assisted chemical synthesis A pressure-measuring vessel system for microwave assisted chemical processes is disclosed. The vessel system includes a pressure resistant vessel that is otherwise transparent to microwave radiation, a pressure-resistant closure for the mouth of the vessel, with por... | 11/22/2005 |
| 6949729 | Methods and apparatus for controlling operation of a microwave oven in a network A microwave oven, a relay box communicating with the microwave oven and a personal computer communicating with the relay box are provided in private. The personal computer is connected to a host computer storing home page information, through the public Internet. A ... | 09/27/2005 |
| 6930294 | Microwave oven and method of controlling the same A microwave oven and a method of controlling the same that is capable of detecting the respective positions of heaters using detectors for which a number thereof is less than a number of cooking modes. Cooking is performed with the heaters in respective horizontal p... | 08/16/2005 |
| 6924469 | Remotely operated microwave oven Apparatus and method for a microwave oven 12 having color-coded pressure switches 24, 26 applied to the face plate incorporating a receiver 14 for remotely operating the color-coded switches by means of a transmitter 16 having indicia and... | 08/02/2005 |
| 6886408 | Pressure measurement in microwave-assisted chemical synthesis A pressure-measuring vessel system for microwave assisted chemical processes is disclosed. The vessel system includes a pressure resistant vessel that is otherwise transparent to microwave radiation, a pressure-resistant closure for the mouth of the vessel, with por... | 05/03/2005 |
| 6867400 | Method and apparatus for continuous flow microwave-assisted chemistry techniques The invention is a method and associated instrument for microwave assisted chemistry. The invention includes the steps of directing a continuous flow of fluid through a microwave cavity while applying microwave radiation to the cavity and to the continuous flow of m... | 03/15/2005 |
| 6867402 | System for sensing the presence of a load in an oven cavity of a microwave cooking appliance A microwave cooking appliance includes an oven cavity, a magnetron and a load sensing system. The load sensing system is used to detects the presence of a load in the oven cavity by introducing a high frequency energy burst into the oven cavity, with the energy burs... | 03/15/2005 |
| 6844535 | Temperature measuring device for microwave oven A temperature-measuring device for a microwave oven, which is capable of easily measuring the temperature of an object outside of a cooking cavity of the microwave oven, as well as the temperature of food inside of the cooking cavity. The microwave oven includes a c... | 01/18/2005 |
| 6630652 | Microwave-assisted chemical synthesis instrument with fixed tuning A method is disclosed for carrying out microwave-assisted chemical reactions. The method includes the steps of adding reagents to a pressure-resistant microwave-transparent vessel, securing the vessel against pressure release with a penetrable septum made... | 10/07/2003 |
| 6603102 | Pressure monitoring arrangement for heating system of a convection cooking appliance A convection cooking appliance includes an oven cavity surrounded by an air channel assembly. The appliance includes heating units and a microwave generator arranged in the air channel assembly. A blower assembly is provided to generate a recirculating fl... | 08/05/2003 |
| 6538240 | Method and apparatus for controlling a microwave oven A microwave oven, and method of controlling the same, including a magnetron generating high-frequency waves and a sensor detecting the environmental state of air in a cooking cavity. During a first cooking time, outputs of the sensor are sampled at predet... | 03/25/2003 |
| 6472650 | Food amount detector of a microwave oven, a microwave oven employing a food amount detector and a control method thereof A food amount detector for automatically detecting the amount of a food placed in a cooking chamber of a microwave oven, a microwave oven employing the food amount detector, and control method thereof. Output voltage of a microwave generator is detected w... | 10/29/2002 |
| 6452141 | Microwave oven with magnetic field detecting device Disclosed herein is a microwave oven with a magnetic field detecting device. The microwave oven includes a magnetron for generating microwaves and a wave guide for guiding the microwaves to a cooking chamber. A detection opening is formed in one side of t... | 09/17/2002 |
| 6396035 | Microwave oven and data obtaining method therefor A data obtaining method for a microwave oven for processing a cooking status of food detected by a sensor into data, including the steps of: detecting data from food for a predetermined time period; calculating a summation of the detected data; and subtra... | 05/28/2002 |
| 6348680 | Food amount detector of a microwave oven, a microwave oven employing a food amount detector and a control method thereof A food amount detector for automatically detecting the amount of a food placed in a cooking chamber of a microwave oven, a microwave oven employing the food amount detector, and control method thereof. Output voltage of a microwave generator is detected w... | 02/19/2002 |
| 6348677 | Sensor circuit for detecting the presence of a pan on an electric cooker hob On an electric cooker the sensor circuit (1) detects the presence of a pan (2) on each heater (F1-F4) and comprises a microcontroller (4) and a generator (6,7) that supply a high-frequency current (Ig) to a respective sensor loop (E1-E4) of each heater wh... | 02/19/2002 |
| 6271538 | High-frequency detecting elements and high-frequency heater using the same A high-frequency detecting element that can detect a temperature increase in an instant due to high-frequency wave absorption using semiconducting ceramic with positive resistance-temperature characteristics. The ceramic is composed mainly of barium titan... | 08/07/2001 |
| 6268597 | Microwave oven A microwave oven has a stationary wave magnetic field detecting device. The microwave oven includes an antenna sensor having a loop portion which is protruded into a waveguide of the microwave oven, and a wire whose one end is grounded at the waveguide, w... | 07/31/2001 |
| 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 the steps of: setting the reference voltage based on the in... | 06/26/2001 |
| 6247246 | Microwave moisture analyzer: apparatus and method A toploading weighing instrumentality which determines loss on drying by a cylindrical microwave. The cylindrical cavity of the microwave includes a power supply, a magnetron, a power module operatively coupled between said power supply and said magnetron... | 06/19/2001 |
| 6246038 | Pressure sensing reaction vessel for microwave assisted chemistry A microwave vessel system for external and noninvasive pressure monitoring and control is disclosed. The system comprises a reaction vessel formed of a material that is transparent to microwave radiation, with the reaction vessel including a portion that ... | 06/12/2001 |
| 6215112 | Food amount detector of a microwave oven, a microwave oven employing a food amount detector and a control method thereof A food amount detector for automatically detecting the amount of a food placed in a cooking chamber of a microwave oven, a microwave oven employing the food amount detector, and control method thereof. Output voltage of a microwave generator is detected w... | 04/10/2001 |
| 6172348 | High frequency heating apparatus A high frequency heating apparatus for heating an object to be heated is provided with an electromagnetic wave emission device for emitting electromagnetic waves, a local heating device capable of heating an optional portion of the object by the electroma... | 01/09/2001 |
| 6166363 | Defrosting method for a microwave oven A defrosting method for a microwave oven capable of variably adjusting a level of output power of a magnetron in accordance with data detected from a sensor, comprising the steps of (a) detecting a change degree of output data from a sensor for a predeter... | 12/26/2000 |
| 6166364 | Microwave oven having a microwave detecting device A microwave detecting device outputs a first predetermined voltage in accordance with the presence/absence of microwave in a waveguide. A microcomputer inputs the first predetermined voltage, outputs a second predetermined voltage in accordance with the l... | 12/26/2000 |
| 6166362 | Automatic cooking control method for a microwave oven An automatic cooking control method for a microwave oven using data pattern of food, including the steps of: (a) collecting data outputted from a data detecting section for a predetermined time; (b) comparing the collected data with at least one prestored... | 12/26/2000 |
| 6157014 | Product-based microwave power level controller A microwave apparatus and system that monitors the amount of food products within a cavity and adjust the microwave power provided to the cavity. The apparatus and system uses a product sensor system and a movement sensor system to accurately determine th... | 12/05/2000 |
| 6091057 | Broiler oven A broiler oven has a heating chamber 2, first and second movable heaters 61 and 62 formed out of tubular heaters and rotatably supported by the inner walls of the heating chamber 2 in such a way that their heating portions 61b and 62b and their shaft port... | 07/18/2000 |
| 6080977 | Apparatus for concentrating salt-containing solutions with microwave energy An apparatus for concentrating and solidifying a salt solution includes a vessel for containing the salt solution having an exposed surface, the vessel having a generally open upper portion, a cover for sealing the generally open upper portion of the vess... | 06/27/2000 |
| 6077478 | Microwave powered sterile access port A device and method for elimination of contamination during transfer of materials either into or from bioreactors, food containers, or other microbially vulnerable systems. Using microwave power, thermal sterilizations of mating fixtures are achieved simp... | 06/20/2000 |
