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| Number | Title | Issue Date |
| 7446287 | Induction heating cooker with buoyancy reducing plate An induction heating cooker has a top plate, a heating coil, an inverter circuit, a pot type discriminator, a non-magnetic-metal buoyancy reducing plate having a high electrical conductivity, an infrared sensor, a temperature calculator, and a controller. The pot ty... | 11/04/2008 |
| 7435930 | Inductive heating method with indicia sensing Heating devices and methods which are particularly useful in vending machines for hot products. Products such as beverages contained in individual containers such as cans are rapidly heated to serving temperature by induction heating for delivery to a customer. Vari... | 10/14/2008 |
| 7432478 | Inductive heating apparatus with machine readable device Heating devices and methods which are particularly useful in vending machines for hot products. Products such as foods, including beverages, contained in individual containers such as cans are rapidly heated to serving temperature by induction heating for delivery t... | 10/07/2008 |
| 7423244 | Heating device for a planar heater with induction heating elements A heater for a hob or cooktop having a glass ceramic surface is disclosed, whereby a number of individual modules with induction coils are provided with converters and a converter control for each induction coil. The modules may be independently assembler and/or rep... | 09/09/2008 |
| 7368688 | Apparatus and method for sensing load of electric cooker A heater unit is provided, the heater unit equipped with an induction heating coil and an electric heater selectively operated based on kind and state of a load of a cooking vessel placed on the heater unit. The kind is determined by an input current inputted when a... | 05/06/2008 |
| 7361870 | Supply generator for an oscillating circuit, particularly for an induction cooking hob A supply generator for an oscillating circuit, includes an inductance (L) and a resonant capacitor (C3, C4), for operation at a fixed frequency and also includes at least one pair of transistors (I2, I2), operated on a var... | 04/22/2008 |
| 7356495 | Supply chain management using item detection system A system to monitor item placement and item movement on surfaces includes an identification system embedded in one or more surfaces and a computer. The identification system periodically scans the surfaces to generate data related to items placed on the surfaces. Th... | 04/08/2008 |
| 7355150 | Food preparation system with inductive power A food preparation system includes a non-contact power supply for energizing a cooking appliance. The food preparation system includes a communication system for enabling communication between a food appliance and the system. The appliance transmits an identifier to... | 04/08/2008 |
| 7341066 | Washing machine A washing machine includes a tub disposed inside a cabinet, for storing water; a drum rotatably disposed inside the tub, for washing laundry; and a steam generating apparatus disposed at the cabinet, for generating steam supplied to the inside of the drum, by using ... | 03/11/2008 |
| 7329846 | Electric range An electric range includes a circuit board provided with at least one semiconductor chip and adapted to control an electric current to be applied to an induction heating device, a heat sink to absorb heat of the semiconductor chip to discharge the heat to the outsid... | 02/12/2008 |
| 7324009 | Self-aligning waveguide sensor A sensor unit including: two or more individual sensors; and alignment mechanism for aligning at least one of the two or more individual sensors with another sensor or a source to maximize a transmitted signal therebetween. Also provided is a method for maximizing a... | 01/29/2008 |
| 7285989 | Device for detection of power-off A power-off detection device is formed without use of a photo coupler, which is expensive and occupies a relatively large area. The power-off detection device rectifies AC power, provided as external input power from a power supply device, into DC power, detects the... | 10/23/2007 |
| 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 |
| 7227108 | Dispenser assemblies and systems including a heat storage unit A heat storage unit (2) includes a body having a passage (12) formed therein through which a flowable product passes. A heatable element (10) is incorporated within the body of the heat storage unit (2) in thermal communication with the p... | 06/05/2007 |
| 7183525 | Roasting device The invention relates to a roasting/grilling device with a roasting/grilling plate (7) and with a thermostatic regulation of the roasting/grilling power. For this the temperature of the roasting/grilling plate (7) is monitored in a contactless manner b... | 02/27/2007 |
| 7176424 | Induction heating cooking apparatus and method for operating the same An induction-heating cooking apparatus and a method for operating the same are disclosed. Upon receiving a low-voltage signal in a high-output level state, the apparatus controls an output signal to allow an inverter to be operated only in a ZVS (Zero Voltage Switch... | 02/13/2007 |
| 7173224 | Induction heating apparatus having electrostatic shielding member An induction heating apparatus with high safety is provided in which leakage current is prevented from flowing to the human body and there is no possibility of an electric shock even when an electrostatic shielding member does not sufficiently perform its function. ... | 02/06/2007 |
| 7170037 | Indentification system for insert elements for tempering foods accommodated in containers The invention relates to an identification system for insert elements for tempering food accommodated in containers. Advantageously, the invention can be used in particular for short-term, economic and high-quality heating of prefabricated food wherein heating can b... | 01/30/2007 |
| 7157674 | Induction heater with controlled current to heating coil A detector is operable to detect a displacement of a load by an ascending force based on a period of time from a time a heating output of an inverter drops from a predetermined level to a first level, to a time the heating output returns back to a second level large... | 01/02/2007 |
| 7151453 | Bi-directional data flow in a real time tracking system Methods and apparatus, including computer program products, for updating information on a writable tag bound to an article. In one aspect, a method includes: receiving in a system first attribute information for a first article derived from data read automatically f... | 12/19/2006 |
| 7151242 | Induction heating system and method An excitation system for heating food, water, or both in airplanes uses induction heating. The system includes at least one load circuit including an inductor that is excited with a load circuit AC voltage, a load circuit alternating current, or both the load circui... | 12/19/2006 |
| 7142438 | Extended output range switching power supply with constant power feature The Invention is a 360 watt bench has an exceptionally wide output range that allows it to replace up to four conventional units. The output voltage can be manually adjusted with coarse and fine controls from zero to 75 volts. At the low voltage end, 60 amps of outp... | 11/28/2006 |
| 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 |
| 7129449 | Induction heating cooker An induction heating cooker includes an infrared sensor for sensing an infrared intensity from a load pot, a waveguide for guiding infrared radiation from the load pot to the infrared sensor, a first magnetism-proofing unit and a second magnetism-proofing unit for r... | 10/31/2006 |
| 7102109 | Induction cooking heater An induction heating cooker includes a surface, a heating coil for inductionally-heating a load pan, an inverter for supplying a high-frequency current to the heating coil, an infrared detector which detects infrared radiation emitted from the load pan and is locate... | 09/05/2006 |
| 7080593 | Controlled cooking system A controlled cooking system (CCS) that monitors, measures, and controls the internal temperature of foods placed in an oven having a Radio Frequency Identification (RFID) antenna(s), a transmitter/receiver/interrogator/reader/microprocessor (TRIRM) module and an RFI... | 07/25/2006 |
| 7075044 | Induction heating cooking apparatus, operation of which is interrupted by container eccentricity An induction-heating cooking apparatus, operation of which is interrupted by container eccentricity is disclosed. Upon receiving an input signal varying with the degree of eccentricity of a container, the apparatus changes a reference signal for determining the pres... | 07/11/2006 |
| 7045748 | Cooking appliance lockout A cooking device for cooking an item where the device includes an input for a source of cooking energy; a cooking element for applying the cooking energy to the item; a cooking control for controlling the application of the cooking energy to the item; a lockout sele... | 05/16/2006 |
| 7032822 | Memory tag, read/write device and method of operating a memory tag A memory tag has a non-volatile memory in which in use data is stored, an antenna coil and power supply circuit such that in use the memory tag is powered by inductive coupling. The memory tag also has a sensor for receipt of transmitted light carrying input signals... | 04/25/2006 |
| 7028267 | Method and apparatus for capturing and rendering text annotations for non-modifiable electronic content A system and method for capturing, displaying, and navigating text annotations in a non-modifiable document is disclosed. Once it is determined that a text annotation is to be created, the system determines the file position of the selected object. The file position... | 04/11/2006 |
| 7019270 | System for reducing noise from a thermocouple in an induction heating system A method and apparatus for reducing electrical noise in an electrical signal from a temperature feedback device to an induction heating system. The induction heating system has an electrical connector that is adapted to electrically couple a temperature feedback dev... | 03/28/2006 |
| 7009827 | Voltage swing detection circuit for hot plug event or device detection via a differential link In some embodiments, a device detection circuit for detecting whether a device is coupled to a differential link, a transmitter (e.g., a transceiver) including such a circuit, and a system including such a transmitter. Preferably, the device detection circuit includ... | 03/07/2006 |
| 7009159 | Induction heating apparatus having electrostatic shielding member An induction heating apparatus with high safety is provided in which leakage current is prevented from flowing to the human body and there is no possibility of an electric shock even when an electrostatic shielding member does not sufficiently perform its function. ... | 03/07/2006 |
| 6977362 | Induction heating device with a switching power source and image processing apparatus using the same An induction heating device includes a plurality of induction coils connected to a single high-frequency power source and each being able to be ON/OFF controlled by a switch. A current is selectively fed only to desired part of the induction coils or to all of the i... | 12/20/2005 |
| 6956188 | Induction heating coil with integrated resonant capacitor and method of fabrication thereof, and induction heating system employing the same An induction heating coil with integrated resonant capacitor is provided, along with methods of fabrication thereof, and induction heating systems employing the same. The induction heating coil includes a cable having a first conductor and a second conductor separat... | 10/18/2005 |
| 6956189 | Alarm and indication system for an on-site induction heating system An induction heating system having a fluid cooling unit, a power source, an induction heating device, a controller, and an alarm system to place the system in a safe condition when an improper operating condition is detected. The induction heating system may have a ... | 10/18/2005 |
| 6953919 | RFID-controlled smart range and method of cooking and heating A system and method for providing multiple cooking modes and an ability to automatically heat cooking vessels and other objects using RFID technology, and an ability to read and write heating instructions and to interactively assist in their execution. An induction ... | 10/11/2005 |
| 6936799 | Induction heating cooker and method for operating the same An induction heating cooker capable of accurately discriminating whether the material of a cooking container placed in the induction heating cooker is magnetic or non-magnetic, using a phase change in a resonant capacitor voltage of an inverter circuit and a switchi... | 08/30/2005 |
| 6934139 | Intelligent power module An intelligent power module includes semiconductor switching devices, drive circuits, a variety of detecting circuits and warning circuits for detecting a fatal abnormal condition and a precursory abnormal condition thereof in the switching devices, the drive circui... | 08/23/2005 |
| 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 |
