Abstract: A temperature control device which can control the temperature of an object to be processed even after supply of radio waves or electromagnetic waves from a high-frequency heating apparatus is stopped. The temperature control device includes a temperature sensor detecting the temperature of the object to be processed heated by radio waves generated from the high-frequency heating apparatus, a signal processing circuit comparing the temperature detected by the temperature sensor with a standard temperature, a rechargeable battery charged by electric energy generated by reception of the radio waves by an antenna, a charging circuit controlling charging of the rechargeable battery, and a heater supplied with electric power from the rechargeable battery to heat the object to be processed so that the temperature thereof gets closer to the standard temperature, in accordance with a comparison result by the signal processing circuit.

Abstract: A door structure of a microwave oven usable as a pizza oven, wherein a pan is coupled to an inner surface of the door such that the pan is integral with the door, and a handle is mounted to an outer surface of the door. The handle has various structures so that the handle is separable from the door or is hingably mounted to the door to move between a folded state and an unfolded state. The door structure, may be configured to simultaneously open the door and eject the pan. The user can stably open and close the pizza oven door, using only a handle, under the condition in which the pizza oven door and pizza tray are not supported. The handle has a structure capable of effectively supporting the weight of the oven door while having a foldable structure so that the handle can be conveniently used.

Abstract: A door structure of a pizza oven incorporated in a microwave oven. The door structure has a seal locking means mounted thereon to bring the door into close contact with an inlet of the oven chamber. The seal locking means includes a handle mounted to an outer surface of the door; a locking lever mounted to a hinge in the interior of the door; a pusher extending from one end of the locking lever and being arranged beneath the handle; a locker formed at the other end of the locking lever and that is configured to engage an inlet edge of the oven chamber; and an elastic member disposed between the pusher and the handle to bias the pusher away from the handle, and thus, to engage the locker with the inlet edge of the oven chamber. The seal locking means can further include an elastic seal pad attached to the locker or the inlet edge of the oven chamber.

Abstract: The present invention provides a high-frequency heating apparatus which can heat the inside of the subject to be heated by high-frequency heating, and can apply scorch onto the surface of the subject to be heated. The high-frequency heating apparatus comprises a heating room for storing therein a subject to be heated, a heating unit that is provided at the upper portion of the heating room and performs heater heating, a high-frequency generating unit that is provided at the bottom of the heating room and generates a high-frequency wave to perform high-frequency heating, a high-frequency heating element having a high-frequency heat generating film on its rear surface, and a saucer for placing thereon the subject to be heated, in which a gap is provided between the high-frequency heating element and the saucer. Hereby, scorch can be applied onto a surface of the subject to be heated.

Abstract: A microwave oven including: a main casing forming a component compartment and a cooking compartment and formed with a component compartment through portion communicating with the component compartment; a fan assembly coupled to the main casing, and including an exhaling fan blowing air toward the component compartment through portion to cool the component compartment and a fan motor driving the exhaling fan; and a guide unit mounted to the component compartment through portion and guiding the air blown by the exhaling fan toward a heating component accommodated in the component compartment.

Abstract: Toaster cum microwave oven having a heater for toasting bread, including a memory for storing a voltage level to a heater according to the function of the toaster the user selects, a temperature sensor for sensing an inside temperature of the toaster, and a microcomputer for controlling a toasting time period according to a kind and a toasting level of bread the user selects, and an inside temperature of the toaster, and controlling the microwave oven according to a command received through the first key input part, thereby permitting toasting bread to a desired degree of toasting regardless of the inside temperature and continued user of the toaster.

Abstract: The present invention provides a cooking heater which continues cooking without apparently stopping the operation of the cooking heater when a door switch is momentarily turned OFF due to a shock during operation of the cooking heater though the door is not actually opened as far as continuation of the OFF-state is within a predetermined range. Upon receiving a door opening signal, a timer of control means starts counting and when a first period lapse judgment section judges that the count time exceeds a first period T1, a central control section instructs a heating means control section to stop the operation of heating means. Then, before the count time is judged to exceed a second period T2, when a second period lapse judgment section receives a door closing signal, the central control section restarts the operation of the heating means and continues the operation of the cooking heater.

Abstract: A cooking appliance includes a heating system capable of combining radiant, convection, microwave and conduction heating techniques to perform a cooking operation. The cooking appliance includes a cooking chamber and a bifurcated air plenum having an angled divider that defines a tapered air delivery portion and a tapered exhaust portion. The tapered air delivery portion actually guides a convective air flow through an air emitter plate positioned at a top of the cooking chamber. The air emitter plate includes a recessed, serpentine-like channel having a plurality of openings that lead to the air delivery portion. A radiant heating element is nested within the recessed channel. The cooking appliance further includes a convection fan, as well as a magnetron having a rotatable antenna positioned below the cooking chamber and a conductive plate upon which food to be cooked is supported.

Abstract: The present invention provides a system and method for binder removal and sintering of materials such as ceramic materials and products, LTCC intervals, solid oxide fuel cells and powder metals. A combination of microwave and convection/radiation heating is employed for binder removal and sintering. Preferably, the microwave heating is accomplished using a variable or multi-frequency microwave source. A gas atmosphere is provided in the furnace chamber by one or more eductors which produces a high volume gas circulation in the furnace chamber to achieve a highly uniform gas environment and temperature. The process in accordance with the invention controls the heating cycle, the heat sources and thermal profile depending upon the composition of the particular material being processed. The thermal processing can be accomplished in a batch furnace in which a product is loaded for processing and unloaded after processing.

Abstract: An electric oven capable of cooking food in a cook-top way. The electric oven according to the present invention includes a cabinet which forms an appearance of the electric oven, a cooking cavity defined inside the cabinet and having an opening front part to contain food therein, and a heater movably mounted in the cooking cavity and moves forward from the cooking cavity through the opening front part so as to cook food in cook-top way. The heater may heat the inner part of the cooking cavity also so as to cook food in a conventional oven-cooking manner.

Abstract: The present invention relates to a combined toaster and microwave oven having a function to cook food by using microwave and a function to bake bread. Accordingly, the present invention provides a combined toaster and microwave oven comprising: a body forming an appearance thereof; a cavity formed in the body, for accommodating objects to be cooked by using microwave; an electronic chamber provided at a portion inside the body and in which electronic parts for applying microwave into the cavity are installed; and a toaster. The toaster comprises: a toaster case provided in the front of the electronic chamber and having slits on both sides thereof; at least one tray assembly having means for receiving and ejecting bread and preventing the bread from slanting; and a heater assembly installed inside the toaster case, for heating the bread.

Abstract: A toaster-cum-microwave oven includes a toasting chamber, a heating device, a humidity measuring device for measuring an inside humidity of the toasting chamber and producing a humidity signal indicating the measured inside humidity, a switching device for selectively cutting or allowing a power supply to the heating device, and a controlling device. The controlling device receives the humidity signal, calculates a rate of change of humidity using the humidity signal, compares the rate of change of humidity with a predetermined value, and controls the switching device to cut the power supply to the heating device after a remaining cooking time has lapsed if the rate of change of humidity is equal to or greater than the predetermined value.

Abstract: A pressure-sealing, pressure-monitoring closure for non-invasively sealing a reaction vessel to a defined release pressure in microwave-assisted chemistry is disclosed. The closure includes a pressure-resistant, microwave-transparent reaction vessel, one portion of which defines a mouth, a flexible pressure-transmitting releasable cover assembly on the mouth of the vessel, a pressure transducer on the cover and external to the vessel for monitoring the pressure in the vessel as exerted against the flexible cover, and a clamp for urging the vessel, the cover and the transducer together under a defined force so that when the pressure in the vessel exceeds the defined force, the cover can flex and release the pressure from the vessel.

Abstract: Toaster cum microwave oven having a heater for toasting bread, including a memory for storing a voltage level to a heater according to the function of the toaster the user selects, a temperature sensor for sensing an inside temperature of the toaster, and a microcomputer for controlling a toasting time period according to a kind and a toasting level of bread the user selects, and an inside temperature of the toaster, and controlling the microwave oven according to a command received through the first key input part, thereby permitting toasting bread to a desired degree of toasting regardless of the inside temperature and continued user of the toaster.

Abstract: The present invention relates to a microwave oven. According to the present invention, a fixed heater 41 is installed on a ceiling of a cavity 31 of a microwave oven, and a pivotable heater 43 is installed to pivot upward and downward on its lower end in the cavity 31. When the pivotable heater 43 has been pivoted downward on its lower end, a grill 45 on which an object to be heated is seated is horizontally installed between a lower surface of the fixed heater 41 and an upper surface of the pivotable heater 43. A micro-switch 51, which will be pushed by the grill 45 and thus generate an actuating signal for pivoting the pivotable heater 43, is installed on a side surface of the cavity 31. According to the present invention, since the fixed and pivotable heaters 41 and 43 heat upper and lower surfaces of the object, respectively, and the pivotable heater 43 is pivoted according to whether the grill 45 is mounted or detached, it is possible to cook the object faster and more conveniently.

Abstract: A heating cooker which evenly heats or cooks food, and is easily cleaned, includes a cabinet to define a cooking cavity therein. The cooking cavity is open at a front thereof. A fan chamber is defined by recessing a rear wall of the cooking cavity at a predetermined area to a predetermined depth. An air circulation fan and a heater are installed in the fan chamber. The air circulation fan circulates air of the cooking cavity. The heater heats the air in the fan chamber. A chamber cover is mounted to the rear wall of the cooking cavity to cover an open front of the fan chamber. The chamber cover has a plurality of air suction ports at a central area thereof, with a plurality of air distribution ports provided along an edge of the chamber cover to guide the air from the fan chamber to the edge of the chamber cover so as to discharge the air to the cooking cavity.

Abstract: An oven, is provided that includes multiple heat transfer means, including convection and microwave heat transfer means. The oven includes a cooking chamber, a blower and at least a shelf disposed within the cooking chamber. The shelf is designed to act as a food support as well as a conduit through which heated air passes into the cooking chamber. The microwave heating means comprises a microwave source and wave guide through which microwaves travel. The wave guide includes a plurality of openings through which microwaves can pass into said cooking chamber. In the preferred embodiment, the openings in the wave guide are positioned to correspond with the predetermined minima or maxima for the microwave wavelength propagating within the wave guide. An electric heating element may also be disposed within the cooking chamber to provide an alternative heating source.

Abstract: A system and for automatic histoprocessing of organic tissue specimens using microwaves, two cavities and automatic fluid and specimen transfer between the two cavities.

Abstract: The present invention relates to a combined toaster and microwave oven that can obtain uniformly toasted slices of bread even when the slices of the bread are toasted successively several times. The combined toaster and microwave oven includes a key input unit for selecting user's favorite kind of the bread and baking level, a memory for storing heating time of the heaters according to the favorite kind of the bread and the favorite baking level, a temperature sensor for sensing internal temperature of the toaster, a controller for counting an elapsed time for the heaters to operate after the heaters stop and adjusting the heating time of the heaters according to the counted time and the internal temperature of the sensor.

Abstract: The present invention provides a heating apparatus of a microwave oven. The heating apparatus includes: an upper heater installed at an upper portion of a cavity; a lower heater installed at a lower portion of the cavity and allowing an inclination to be selectively formed; a tray placed on the lower heater, for receiving a food thereon; and a motor connected to the lower heater so as to incline the lower heater on which the tray is placed.

Abstract: A microwave oven with a toaster includes a toaster casing, a heating chamber inserted in the toaster casing, a bread receiver slidably inserted in the toaster casing, and a toaster door attached to a front side of the bread receiver. The bread receiver is selectively placed in the heating chamber. The microwave oven further includes a crumb tray slidably inserted in the toaster casing for collecting crumbs of bread and a holding unit for holding bread put in the bread receiver. The crumb tray is placed under the bread receiver. Further, there is provided a process for controlling a heater of the toaster, which is capable of properly baking bread even when the toaster is continually operated.

Abstract: Disclosed herein is a microwave oven, which is provided with a toasting cavity in addition to a microwave cooking cavity, thus making well-toasted breads. The microwave oven includes a cabinet which is partitioned into a microwave cooking cavity, a toasting cavity, and a machine room. A microwave generating unit is installed in the machine room to irradiate microwaves into the microwave cooking cavity. A heating unit is installed in the toasting cavity to heat the toasting cavity. A ventilating unit functions to ventilate the toasting cavity.

Abstract: A combination oven includes radiant cooking lamps and a magnetron for delivering cooking energy to a cooking cavity. The oven is operable in a speed cooking mode utilizing both radiant and microwave energy, a microwave only cooking mode utilizing only microwave energy, and a radiant only cooking mode utilizing only radiant energy. A radiant cooking element is briefly energized upon user command during microwave only cooking modes and lower power radiant cooking modes to illuminate the cooking cavity for visualization of cooking in progress. A duration of cavity illumination is limited to prevent cooking of food during cavity illumination.

Abstract: A microwave oven and a method of controlling the same, in which a cooking unit disposed in a cooking cavity is moved from an initial position to a cooking position. In the microwave oven, a magnetron is operated after heaters are moved to respective cooking positions where a rotating unit to move the heaters and the magnetron are operated. Accordingly, microwaves are radiated into the cooking cavity while the heaters are not being moved by the rotating unit, so a generation of heat and sparks resulting from a concentration of the microwaves into spaces between a moving unit including the rotating unit and the cooking unit and between the moving unit and a wall of the cooking cavity is preventable.

Abstract: The present invention relates to an oven that includes radiant cooking elements, a microwave cooking element, as well as convection cooking heating elements. The cooking elements are controlled to provide reduced cooking time as compared to known radiant ovens, yet a wide variety of foods can be cooked in the oven. The oven is operable in a speedcooking mode wherein both radiant and microwave cooking elements are utilized, a microwave only cooking mode wherein only the magnetron is utilized, and a convection/bake mode wherein radiant and convection cooking elements are utilized.

Abstract: A cooling structure for an oven door of a microwave oven usable as a pizza oven, which includes air inlet perforations formed through a portion of a chamber partition wall contacting one side section of the oven door to communicate with an electric device installation chamber, and thus, to receive ambient air, air inlet perforations formed through the side section of the oven door, the inlet perforations having the same shape as the first air inlet perforations such that the second air inlet perforations are aligned with the first air inlet perforations to introduce the air into the interior of the oven door, and air outlet perforations formed through the other side and top sections of the oven door to outwardly exhaust the air introduced into the interior of the oven door.

Abstract: A microwave oven includes a cooking chamber and a door. The cooking chamber includes a front opening and a bottom plate. The bottom plate is projected forward from the cooking chamber. The door selectively opens and closes the cooking chamber, and is projected forward to form a cooking space extending from the cooking chamber, together with the projected bottom plate of the cooking chamber.

Abstract: Disclosed is a combined toaster and microwave oven, including: a plurality of heaters disposed close to both surfaces of a slice of bread so as to apply a heat to the slice of bread inserted into a slot in a toaster; a control panel for selecting a bread kind and a bread baking level which a user desires; a display unit for displaying the bread kind and the bread baking level selected in the control panel; and a controller for controlling to selectively operate the heater according to the bread kind and the bread baking level selected in the control panel.

Abstract: A browning device for use in a microwave oven. The browning device can include an infrared generator for generating infrared radiation. The browning device being formed such that it has a hollow space. The interior surface of the hollow space facing the microwave oven cavity having an infrared absorbing material for absorbing infrared radiation from an infrared generator. The infrared absorbing material is constructed such that it is able to reach a temperature of 500° C. at which soot is vaporized or ignited. Quartz tubes may be utilized as the infrared generator.

Abstract: A microwave oven with a bread toaster is provided. The microwave oven with the bread toaster includes a cavity for cooking an object, an electrical device chamber having electrical devices for heating the object within the cavity, a ventilating device and a toaster. The ventilating device exhausts air inside the cavity to outside the microwave oven. The ventilating device also cools the electrical devices. The toaster, which is adjacent to the cavity, includes a toaster case and a toaster entrance. The object, such as a slice of bread, enters into and exits from the toaster case by opening or closing the toaster entrance.

Abstract: 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 positions in a cooking mode in which cooking requiring the heaters to heat food is performed, while cooking is performed with the heaters positioned in the respective initial positions in a cooking mode in which the cooking not requiring the heaters to heat the food is performed. Each of the detectors is a micro switch operated by a cam. Accordingly, in the microwave oven and in the method of controlling the same, the number of the detectors to detect the respective positions of the heaters is decreased. Further, an electrical wire is connected to a single micro switch to detect the respective positions of the heaters.

Abstract: Disclosed is a microwave oven having a toasting function and compact dimensions. The microwave oven comprises a cavity and a component chamber; a toaster case at a front of the component chamber and having an opening at a front thereof; a toaster door at a front of the toaster case for opening/closing the opening; a tray assembly installed in an interior of the toaster case for supporting at least one slice of bread; and a heater assembly installed in an interior of the toaster case, for heating the bread.

Abstract: A microwave device includes a cooking space disposed in a housing, at least one microwave source, and at least one further radiation source, as an alternative to the microwave source, which is protected from microwaves from the microwave source by a shielding grid. At least one grid wall of the shielding grid has a radiation reflector by which it is possible for rays from the alternative radiation source to be reflected into the cooking space.

Abstract: Microwave oven with a toaster comprising a main case forming an outer shape, a cavity in the main case for cooking food therein with a microwave, an electronic chamber in one side part of the main case having different electronic components for providing the microwave to an inside of the cavity, and a toaster comprising a toaster case in front of the electronic chamber having slits in opposite sides respectively, a tray assembly mounted on the slits of the toaster case for introducing/taking out pieces of bread into/out of the toaster, a heater assembly in the toaster case for heating the pieces of bread, a toaster door on the toaster case, a door lock for holding the door, and a power source device for supplying power to the heater assembly, thereby providing a cooking function with a microwave, and toasting function with a toaster.

Abstract: A method for operating an oven including a microcomputer includes receiving in a microprocessor of an oven, a plurality of inputs from a user indicative of a conventional cooking time, a conventional cooking temperature, and a food category, wherein the oven includes an RF generation module, an upper heater module, a lower heater module, and a convection fan, and converting at least one of the conventional cooking time to a speedcooking time different than the conventional cooking time, and the conventional cooking temperature to a speedcooking temperature.

Abstract: Disclosed is an electric oven which increases temperature fast and reduces heat loss in accordance with that a cavity surface generates its own heat by using an induction heating. The electric oven comprises: a case having a door at a front side and having a cavity for receiving food therein; a magnetron installed at one side of an upper portion of the cavity for generating microwave of high frequency and supplying heat to the cavity; an inverter for generating high frequency at a space between the case and the cavity; first, second, third, and fourth heating units installed each side of the cavity for supplying heat. Since temperature of a cooking chamber can be set as wanted uniformly and faster, preheating time and actual cooking time can be reduced. Also, since inner temperature of the cavity rises faster and simultaneously, an automatic cleaning in the cavity using pyrolysis can be performed faster and uniformly, thereby reducing power consumption.

Abstract: A microwave oven incorporating toaster includes a tray provided on a tray support. The tray support moves forward and backward in inside the toaster. The tray support includes a bushing for moving within moving slots provided at both sidewalls of a toaster case. A connecting lever connects the bushing to a toaster door and translates a motion generated by operation of the toaster door when it opens and closes into a moving motion exhibited by the tray. A food item (e.g., a slice of bread, bagel, etc.) arranged on the tray may be inserted into, or removed from, the inside of the toaster by operating the toaster door.

Abstract: A microwave oven incorporating a toaster includes a toaster door provided on a toaster panel for opening and closing at least one toaster entrance and a tray assembly. The tray assembly includes a tray support inside the toaster and at least one tray which is fastened to a top of the tray support for holding a food item. The tray includes at least one elevating bracket for maintaining a predetermined distance between the tray and the tray support. In addition, the tray assembly further includes a support wall provided at a front end of the tray for supporting a front lower portion of the food item so as to stably position the food item at an optimal location for toasting. In the microwave oven incorporating a toaster, each food item is positioned against a heater included therein so as to maximize the toasting performance of the toaster. Also the tray support can be easily disassembled and assembled for the purpose of cleaning and replacing with a new tray.

Abstract: A microwave oven incorporating toaster includes a tray provided on a tray support. The tray support moves forward and backward in inside the toaster. The tray support includes a bushing for moving within moving slots provided at both sidewalls of a toaster case. A connecting lever connects the bushing to a toaster door and translates a motion generated by operation of the toaster door when it opens and closes into a moving motion exhibited by the tray. A food item (e.g., a slice of bread, bagel, etc.) arranged on the tray may be inserted into, or removed from, the inside of the toaster by operating the toaster door.

Abstract: A toaster-cum-microwave oven includes a toasting chamber, a heating device, a temperature measuring device for measuring an inside temperature of the toasting chamber and producing a temperature signal indicating the measured inside temperature, a switching device for selectively cutting or allowing a power supply to the heating device, and a controlling device. The controlling device receives the temperature signal, determines an amount of heat required to cook the bread product, calculates an amount of heat supplied to the bread product by using the inside temperature of the toasting chamber, compares the supplied amount of heat with the required amount of heat, and controls the switching device to cut the power supply to the heating device if the supplied amount of heat is equal to or greater than the required amount of heat.

Abstract: A microwave oven with a toaster includes a toaster casing, a heating chamber inserted in the toaster casing, a bread receiver slidably inserted in the toaster casing, and a toaster door attached to a front side of the bread receiver. The bread receiver is selectively placed in the heating chamber. The microwave oven further includes a crumb tray slidably inserted in the toaster casing for collecting crumbs of bread and a holding unit for holding bread put in the bread receiver. The crumb tray is placed under the bread receiver. Further, there is provided a process for controlling a heater of the toaster, which is capable of properly baking bread even when the toaster is continually operated.

Abstract: An apparatus and method for sterilizing airborne pathogens and reducing airborne pollutants in air for buildings, aircraft, or other structures. The apparatus is capable of high air flows and is integrated with an efficient air heating/cooling system. High fields are produces by a static, preferably infrared, field combined with a high intensity microwave field. This combination allows fields to develop that are high enough in intensity to kill pathogens and dissociate contaminant molecules. The heat produced by the field generators is used to operate an absorption chiller to cool and dehumidify, or alternatively heat, the sterilized air before it is returned to the building or structure.

Abstract: A browning device for use in a microwave oven. The browning device can include an infrared generator for generating infrared radiation. The browning device being formed such that it has a hollow space. The interior surface of the hollow space facing the microwave oven cavity comprises an infrared absorbing material for absorbing infrared radiation from an infrared generator. The infrared absorbing material is constructed such that it is able to reach a temperature of 500° C. at which soot is vaporized or ignited. Quartz tubes may be utilized as the infrared generator.

Abstract: A multirack speedcook oven includes a cooking cavity, a plurality of racks within the cooking cavity, an RF generation module operationally coupled to the cooking cavity and configured to deliver microwave energy into the cooking cavity, at least one heat source positioned within the cavity and configured to supply heat energy to the cooking cavity, and a control configured to accept data regarding said plurality of racks, the control operationally coupled to the RF generation module, and the at least one heat source for selective control thereof based on the accepted data.

Abstract: A guided heating apparatus and a method for using the same is provided. The apparatus includes a guiding enclosure, a supporting piece, and an absorbing piece. The guiding enclosure guides and keeps energy from an energy source within the guiding enclosure. The guiding enclosure is made of a material reflective of the energy. The energy source is either one of a microwave source and an infrared source. The supporting piece is detachably coupled with the guiding enclosure and is made of a material transparent to the energy. The absorbing piece is coupled to and supported by the supporting piece within the guiding enclosure. The absorbing piece is made of at least one material that absorbs the energy and transfers the energy to an object to be heated. The absorbing piece has a predetermined composition that controls an energy absorption rate of the absorbing piece.

Abstract: A cooking shelf for a microwave oven allows food placed thereon to be equally close to its upper and lower heaters to evenly cook the food. The cooking shelf includes an upper shelf part having a certain area on which food is placed, a column part, which is downwardly extended from the upper shelf part by a certain length to support the upper shelf part, and a lower support part which is connected to a lower end of the column part and radially extended to support the column part.

Abstract: An electric oven capable of cooking food in a cook-top way. The electric oven according to the present invention includes a cabinet which forms an appearance of the electric oven, a cooking cavity defined inside the cabinet and having an opening front part to contain food therein, and a heater movably mounted in the cooking cavity and moves forward from the cooking cavity through the opening front part so as to cook food in cook-top way. The heater may heat the inner part of the cooking cavity also so as to cook food in a conventional oven-cooking manner.

Abstract: Disclosed is a combined toaster and microwave oven, including: a plurality of heaters disposed close to both surfaces of a slice of bread so as to apply a heat to the slice of bread inserted into a slot in a toaster; a control panel for selecting a bread kind and a bread baking level which a user desires; a display unit for displaying the bread kind and the bread baking level selected in the control panel; and a controller for controlling to selectively operate the heater according to the bread kind and the bread baking level selected in the control panel.

Abstract: A microwave oven and a method of controlling the same, in which a cooking unit disposed in a cooking cavity is moved from an initial position to a cooking position. In the microwave oven, a magnetron is operated after heaters are moved to respective cooking positions where a rotating unit to move the heaters and the magnetron are operated. Accordingly, microwaves are radiated into the cooking cavity while the heaters are not being moved by the rotating unit, so a generation of heat and sparks resulting from a concentration of the microwaves into spaces between a moving unit including the rotating unit and the cooking unit and between the moving unit and a wall of the cooking cavity is preventable.

Abstract: 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 positions in a cooking mode in which cooking requiring the heaters to heat food is performed, while cooking is performed with the heaters positioned in the respective initial positions in a cooking mode in which the cooking not requiring the heaters to heat the food is performed. Each of the detectors is a micro switch operated by a cam. Accordingly, in the microwave oven and in the method of controlling the same, the number of the detectors to detect the respective positions of the heaters is decreased. Further, an electrical wire is connected to a single micro switch to detect the respective positions of the heaters.