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| Number | Title | Issue Date |
| 7652231 | Apparatus for delivering harmonic inductive power Method and apparatus for providing harmonic inductive power, and more particularly for delivering current pulses providing a desired amount of pulse energy in high frequency harmonics to a load circuit for inductive heating of an article. By controlling the shape an... | 01/26/2010 |
| 7442907 | Induction heating cooking device An induction heating cooking device has an inverter including a resonant circuit, and a heating output control part. The resonant circuit has a resonant capacitor and a heating coil that is magnetically coupled to a load. The inverter has first and second switching ... | 10/28/2008 |
| 7420828 | Induction heating apparatus The present invention provides an induction heating apparatus that can detect that a power factor correction circuit is in operation or in non-operation. The induction heating apparatus includes a power factor correction circuit that corrects a power factor of an in... | 09/02/2008 |
| 7358467 | Electric power supply apparatus and induction heating apparatus A converter (311) converts an AC electric power (e) to the DC electric power with a DC voltage value corresponding to a setting. An inverter (312) is controlled by a frequency electric power control circuit (330) to convert the DC electric power... | 04/15/2008 |
| 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 |
| 7335863 | Fixing device In a fixing device according to this invention, a coil bobbin around which coils are formed into a predetermined shape is formed at an induction heating portion including a plurality of coils. To minimize the axial temperature difference of a heating roller, the coi... | 02/26/2008 |
| 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 |
| 7292795 | Image forming apparatus with carbon based fixing material An image forming apparatus has a fixing unit for fixing a toner image formed on a recording material, and a heater, for heating the fixing unit, made of a carbon-based material. In order to detect and expect the life of the heating unit with good accuracy, the image... | 11/06/2007 |
| 7268327 | Induction heating apparatus with magnetic flux adjusting means A heating apparatus has an induction heat generation member for electromagnetic induction heat generation by the magnetic flux at a heating portion, wherein a material to be heated is introduced to the heating portion and is fed in direct contact with the induction ... | 09/11/2007 |
| 7265325 | Cap sealer with a graduated power display An induction foil cap sealer which includes a visual display device that shows power consumption in a bar graph format. ... | 09/04/2007 |
| 7263304 | Fixing apparatus and image forming apparatus A signal-processing circuit 94 of a simple structure is provided, which generates an operation control signal and a designation signal in accordance with the temperatures detected by temperature sensors 13, 14. The operation control signal and designat... | 08/28/2007 |
| 7262391 | Image heating apparatus having a heat generation member generating heat by magnetic flux and heating an image on a recording material A heating apparatus, for heating a material P to be heated by heat from a heat generation member which has a predetermined curie temperature characteristic and generates heat by magnetic flux produced by a magnetic flux generation device. The apparatus includes a di... | 08/28/2007 |
| 7208708 | Image heating apparatus having first and second electroconductive layers having different resistance characteristics An image heating apparatus for heating an image on a recording material by heat generation of a heating member includes a coil configured to generate a magnetic flux by energization a heat generation member having an electroconductive layer that generates heat by ma... | 04/24/2007 |
| 7186959 | Fixing apparatus A fixing apparatus an aspect of the present invention includes, a heating object which generates the heat by a magnetic flux produced from a coil which generates a predetermined magnetic flux by electromagnetic induction in accordance with a frequency of an input cu... | 03/06/2007 |
| 7176425 | Method and device for regulating the temperature of a drive element The invention relates to a device (11) and a method of regulating a temperature of a drive element (2) which can be employed in a deep-freezing application in particular, such as a band, belt or similar, in which at least a part-region of the drive ele... | 02/13/2007 |
| 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 |
| 7143381 | Resonance reduction arrangements Resonance reduction arrangements to reduce the impact of power supply resonance on circuits, comprising a resonance sensor and a charge dumper, wherein upon the detection of the predetermined resonance by the resonance sensor at a circuit location, the charge dumper... | 11/28/2006 |
| 7122770 | Apparatus for delivery of induction heating to a workpiece A method and apparatus for inducing heat within a workpiece. A flexible fluid-cooled induction heating cable is used to produce a magnetic field to induce electric current in a workpiece. The induction heating cable has separate fluid and electrical connectors to se... | 10/17/2006 |
| 7119311 | Induction circuit for contactless power supply apparatus An induction circuit for a contactless power supply apparatus including an induction coil for inducing a current in response to a high frequency current flowing through a primary induction circuit and supplying the current to a load. The induction circuit includes a... | 10/10/2006 |
| 7120353 | Infrared sauna A portable compact sauna wherein a user's body is warmed to sweating primarily by direct absorption of infrared radiation. Broad infrared radiation emitters or sources are placed around the inside of a narrow cabinet so as to be in close proximity to various parts o... | 10/10/2006 |
| 7106987 | Fixing device and image forming apparatus A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, di... | 09/12/2006 |
| 7102108 | Induction-heating apparatus operating with power supplied in a select frequency range An excitation coil and/or a core member, which has a characteristic frequency other than frequencies used, is employed. Thereby, resonance is prevented between adjacent coils or between a coil and an adjacent component such as a core member. ... | 09/05/2006 |
| 7094997 | Heating device and fixing device A CPU detects a temperature of a central part of a heating roller. If the detected temperature does not exceed 180° C., the CPU drives a central coil or a side-end coil for 0.4 second in accordance with a temperature difference between the central part of the heati... | 08/22/2006 |
| 7066658 | Method of securing an optical fibre to an electronic package An optical fibre is secured to an electronic package (10) by, firstly, providing in a wall (14) of the package (10) an electrically conductive tube (12), an inductance arrangement (16–22) in magnetically co-operational relation t... | 06/27/2006 |
| 7053345 | Heating apparatus with temperature detection system for identifying and notifying the user that the material to be heated is wound around the induction heating element A heating apparatus has a magnetic flux generator and a rotatable induction heating element for generating heat through electromagnetic induction by the action of magnetic flux generated by the magnetic flux generator, and heats a material to be heated by causing th... | 05/30/2006 |
| 7049764 | Electrodeless lighting apparatus using microwave and method for controlling power thereof An electrodeless lighting apparatus using microwave and a method for controlling its power can lengthen lifetimes of the magnetron by constantly maintaining power applied to a magnetron of the electrodeless lighting apparatus using microwave. Therefore, when inputte... | 05/23/2006 |
| 7041946 | Energization cycle counter for induction heating tool An induction heat treating process with a remote sensor for monitoring the duration of energization of an induction heating coil each time the induction heating coil is consecutively cycled. An identifying tag is preferably attached to, embedded within the induction... | 05/09/2006 |
| 7039336 | Fixing device and image forming apparatus A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, di... | 05/02/2006 |
| 7030345 | Image heating apparatus having a heat generation member generating heat by magnetic flux and heating an image on a recording material A heating apparatus, for heating a material P to be heated by heat from a heat generation member which has a predetermined curie temperature characteristic and generates heat by magnetic flux produced by a magnetic flux generation device. The apparatus includes a di... | 04/18/2006 |
| 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 |
| 7015439 | Method and system for control of on-site induction heating A workpiece heating system having an induction heating power source and a controller. The controller is operable to control the operation of the power source according to programming instructions received from a user. The controller enables a user to establish a seq... | 03/21/2006 |
| 7015438 | Induction heater An induction heater having a safety function of lowering or stopping the heating power when an object to be heated moves, the safety function hardly interfering with the cooking activities of a user is provided. The induction heater includes an inverter circuit, an ... | 03/21/2006 |
| 6969833 | Heating apparatus and image heating apparatus A heating apparatus includes a magnetic field generator for generating an AC magnetic field; a heat generation member for generating heat by the magnetic field generated by the magnetic field generator, the heat generation member being effective to heat a material t... | 11/29/2005 |
| 6965098 | Energization cycle counter for induction heating tool An induction heat treating process with a sensor for monitoring the duration of energization of an induction heating coil each time the induction heating coil is consecutively cycled. The sensor is preferably a counting mechanism attached to or embedded within the i... | 11/15/2005 |
| 6959158 | Fixing device and image forming apparatus A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, di... | 10/25/2005 |
| 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 |
| 6943329 | Induction heating system for reduced switch stress An induction heating system is provided. The induction heating system comprises a power switch, a resonant heating circuit, and a pulse initiator. The resonant heating circuit is configured to generate an oscillating voltage in response to a DC pulse input. The puls... | 09/13/2005 |
| 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 |
| 6936800 | Heating device and fixing device A CPU detects a temperature of a central part of a heating roller. If the detected temperature does not exceed 180° C., the CPU drives a central coil or a side-end coil for 0.4 second in accordance with a temperature difference between the central part of the heati... | 08/30/2005 |
