Patents in subclass Electric Heating/By Infrared

Parent class: Electric Heating

Number Patent title Issue Date
07405381 Real-time imaging and spectroscopy during microwave assisted chemistry

An instrument and associated method are disclosed for conducting microwave assisted chemical reactions. The instrument includes a microwave cavity, preferably a closed microwave cavity, for conducting microwave assisted chemical...
07/29/2008
07214915 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...
05/08/2007
07049564 Induction heating device

The present invention offers an induction heating apparatus in which the infrared sensor performs stable temperature detection without undergoing the influence of leakage magnetic flux from the induction heating means. This induction...
05/23/2006
06917023 Reaction and temperature control for high power microwave-assisted chemistry techniques

A method is disclosed for carrying out microwave assisted chemical reactions. The method includes the steps of placing reactants in a microwave-transparent vessel, placing the vessel and its contents into a microwave cavity, applying...
07/12/2005
06871999 Method for the correction of the output signal of an infra red radiation multiple element sensor

A method for the correction of the output signal of an infra red radiation multiple element sensor comprises the steps of determining and storing a parameter of a sensor element of the sensor and of generating a corrected signal of the...
03/29/2005
06838648 Temperature detection unit in a high-frequency heating and cooking apparatus

This invention provides a heating and cooking apparatus in which foods can be accommodated in a heating chamber with good maneuverability and an appropriate finish can be obtained. A temperature detector detects infrared radiation through...
01/04/2005
06812443 Microwave oven capable of changing the way to supply microwaves into heating chambers

A microwave oven has a heating chamber formed inside a body frame. A radiation antenna is provided below the heating chamber. The radiation antenna is structured in such a way that a member housed in an antenna drive box appropriately...
11/02/2004
06720541 High frequency heating apparatus with temperature detection means

A high-frequency heating apparatus capable of simultaneously heating different kinds of objects to appropriate temperatures includes: a power feed portion provided on a right side wall forming a heating chamber; a mounting table on which...
04/13/2004
06630655 Microwave oven with infrared detection element

A heating chamber has a width in a direction of a two-head arrow X, a depth in a direction of a two-head arrow Y and a height in a direction of a two-head arrow Z. An infrared sensor includes 25 infrared detection elements each having a...
10/07/2003
06590192 Microwave oven with temperature-dependent automatic stop

A microwave oven determines an appropriate time to stop heating even if multiple food items are placed in the heating chamber. After any position on the bottom surface of the microwave oven reaches 75 deg C., a search is made for any...
07/08/2003
06586714 Microwave oven capable of suitably controlling movement of a member mounted thereto, and control method thereof

The microwave oven includes an infrared sensor for detecting the temperature of a food within a heating chamber. The infrared sensor has a field of view within the heating chamber. The infrared sensor is capable of moving the field of...
07/01/2003
06566637 Microwave assisted content analyzer

A method and associated apparatus are disclosed for microwave assisted content analysis. The method includes the steps of applying microwave radiation to a sample while concurrently rotating the sample while the microwave radiation is...
05/20/2003
06563097 Microwave oven with food search and localized heating

A microwave oven heats all food in an appropriate manner even if food items are simultaneously placed at multiple locations in a heating chamber. An auxiliary antenna is periodically stopped at an orientation corresponding to a position...
05/13/2003
06420688 Device and method of heating components made of microwave absorbing plastic

Device for heating components 8, 8' of a microwave-absorbing plastic material, said device incorporating a microwave generator 1 which generates microwaves of a particular frequency, an antenna 4 with at least one free end 5, 5' to which...
07/16/2002
06414284 Temperature sensor and electrical household appliance comprising same

A temperature sensor includes a semiconductor wafer (2) with a recess wherein is placed a sensitive element (3) which is heated in response to a target infrared radiation, and thermal insulating layer (16) provided between the sensitive...
07/02/2002
06376812 Cooking appliance with infrared sensor having movable field of view

In a sake/milk heating process, the field of view of an infrared sensor is moved by a predetermined pattern in a heating chamber as an initial search. When the field of view is fixed after the initial search, if the temperature variation...
04/23/2002
06320170 Microwave volatiles analyzer with high efficiency cavity

A volatiles analyzer is disclosed that includes a source of microwave radiation that can selectively produce at least one predetermined frequency of microwave radiation. A cavity is in communication with the source. The analyzer includes...
11/20/2001
06299920 Systems and method for non-invasive assessment of cooked status of food during cooking

A non-contact system and method is provided for effectively approximating the internal temperature of food being cooked upon a cooking surface of a cooking apparatus, such as a grill or griddle. Ultrasound or infrared, non-contact...
10/09/2001
06227041 Method and apparatus for measuring volatile content

A method and associated apparatus are disclosed for measuring volatile content of samples that are particularly suitable for samples that tend to bum when heated. The method includes the steps of applying microwave radiation at a...
05/08/2001
06229130 Heating apparatus for cooking

A detection target judgment section (12) in a heating apparatus for cooking judges a type of each detection area. The type is selected in three types of detection areas: A direct detection area where only a target food (9) is detected; A...
05/08/2001
06198084 Defrosting method for a microwave oven using an infrared sensor

Defrost method for accurately defrosting food to be defrosted, regardless of frozen degree and presence/absence of receptacle for food to be defrosted. The defrosting method includes the steps of: determining an initial value by detecting...
03/06/2001
6132084 Infrared non-contact temperature measurement for household appliances

A temperature sensor system for a household appliance, such as a microwave oven, that provides for a non-contact self-calibrating measurement of the temperature of an object disposed in a chamber of the appliance. The system comprises an...
10/17/2000
6121596 Cooking appliance than can detect temperature of foodstuff using infrared sensor

In a cooking appliance, the foodstuff is placed on a turntable in a heating chamber. Infrared radiation emitted from the foodstuff is sensed by an infrared sense unit. The cooking appliance obtains the number of extrema of the amount of...
09/19/2000
6111239 Apparatus and method of heating a cup in a microwave oven

The present invention relates to a microwave oven, and more particularly to an apparatus and a method for heating food or the like in a container using a microwave oven by judging a quantity of food in the container based on a change in...
08/29/2000
6066839 Temperature compensation method for a microwave oven

A temperature compensation method for a microwave oven, and more particularly a method capable of compensating for a detected temperature error of a food which is caused by electromagnetic wave noise when a heating operation of microwave...
05/23/2000
6051824 Wet prevention apparatus for sensor of microwave oven

A wet prevention apparatus for a sensor of a microwave oven is disclosed, which prevents wet from occurring in a sensor for use in a microwave oven without a separate driving gear. In a microwave oven including a cooking chamber, and a...
04/18/2000
6040565 Oven operation only upon detecting of an identification mark on a food or beverage container placed in the oven

An oven and a vessel having a food-stuff or beverage in it cooperate to provide optimum operation of the oven to cook or heat the food-stuff or beverage. The vessel is dimensioned to fit within the oven and has an information carrier for...
03/21/2000
6013907 Microwave oven equipped with thermopile sensor and thawing method using the same

An improved microwave oven equipped with a thermopile sensor and a thawing method using the same which make it possible to detect a food surface temperature by using a thermopile sensor, optimizing the output from the magnetron based on...
01/11/2000
5994683 Container sensing system and microwave oven using the same

A container sensing system for controlling the heating in a microwave oven of a container carrying control information which may be read by an optical reading device. The optical reading device includes a light transmitter and a light...
11/30/1999
RE36344 Apparatus and process for measuring the temperature of a sample heated in a microwave chamber

A sample is heated by microwaves, and the temperature of the sample is measured by a radiation pyrometer arranged to receive radiation directly from the sample. The sample is disposed in a chamber having an orifice dimensioned to block...
10/19/1999
5919389 Cooking apparatus including infrared ray sensor

In the operation of a thoroughly heating course of a microwave oven, when an ordinary temperature food having a weight of less than 500 g is heated to a desired finishing temperature of 75.degree. C., heating is performed until the...
07/06/1999
5877477 Oven with high power radiant cooking elements and methods of developing, optimizing, storing, and retrieving recipes for the operation of the oven

An oven with high power radiant cooking elements which are capable of operating at different intensities is disclosed for cooking food quickly with infrared radiation. The conduction of this infrared radiant energy varies substantially...
03/02/1999
5796079 Rapid thermal processing method for ferroelectric, high dielectric, electrostrictive, semiconductive, or conductive ceramic thin film using microwaves

A rapid thermal processing method for a ceramic thin film which is capable of carrying out a uniform heating of a large sized wafer, and of achieving a rapid temperature elevation, and of enhancing a crystallinity of a deposited thin...
08/18/1998
5796080 Microwave apparatus for controlling power levels in individual multiple cells

A microwave processing system is disclosed. The system is particularly useful for concurrently controlling a plurality of chemical reactions from a single microwave source. The system comprises a source that produces electromagnetic...
08/18/1998
5796081 Microwave oven with two dimensional temperature image IR-sensors

A microwave oven comprising a number of IR-sensors elements for obtaining temperature information from discrete sensing areas within the cooking zone of the oven and for generating a two-dimensional temperature image of the cooking zone....
08/18/1998
5780822 Apparatus and method for cooling thermopile of microwave oven

An apparatus and method for cooling a thermopile of a microwave oven which is capable of achieving a desired automatic cooking operation by effectively preventing the thermopile from being heated beyond a predetermined level irrespective...
07/14/1998
5780823 Cooking method using a microwave oven

Since, food sealed tightly in a packaged does not permit steam to be released from the food during heating, conventional microwave ovens using a hygrometer cannot identify the type of food, and an automatic heating is therefore...
07/14/1998
5743173 Bake stuff cooker

A bake stuff cooker 10 includes: a main body case 1; a mount plate 2 attached on an upper surface of the main body case 1 for mounting a cook stuff; a heating plate 3 pivotally switchable between a facing position facing the mount plate 2...
04/28/1998
5744786 Automatic cooking apparatus having turntable and infrared temperature sensor

Apparatus for automatic cooking of a cooking object in a cooking apparatus, such as a microwave oven, in which a surface temperature of the cooking object is accurately detected for automatic cooking of the cooking object, is disclosed,...
04/28/1998
5702626 Automatic cooking controlling apparatus and method employing a narrow viewing angle of an infrared absorptive thermopile sensor

In an automatic cooking controlling apparatus and method for a cooker, the apparatus includes a turntable installed within a chamber of the cooker for placing a to-be-cooked object thereon, an infrared filter for filtering only the...
12/30/1997
5693247 Microwave oven with multi-infrared sensors disposed at different distance intervals from the rotating table plane

A microwave oven includes at least two sensors for detecting heat rays emitted from the food which is being heated, a signal processor for obtaining a precise surface temperature of food, irrespective of the deviation of distances between...
12/02/1997
5693248 Sensor malfunction prevention apparatus for microwave oven

An improved sensor malfunction prevention apparatus for a microwave oven capable of preventing a malfunction and an infrared ray sensor from being polluted by dusts, food debris or the like from a cooking chamber, which includes a cooling...
12/02/1997
5595673 Microwave oven with microwave-actuable bottom and temperature sensor

A microwave oven comprises a microwave radiation source, a microwave-activable bottom heater (4) on which the food is placed, and optionally an IR-radiating top heater, which all can be controlled via the control unit of the oven....
01/21/1997