With Cavity Illumination Patents (Class 219/758)
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Patent number: 11665792Abstract: A microwave oven including a cooking cavity that is enveloped by a cooking cavity wall; a cooking appliance light; an opening in the cooking cavity wall which supports the cooking appliance light; a shielding sleeve arranged in the opening and configured to prevent an exit of microwaves through the opening out of the cooking cavity, wherein the cooking appliance light includes a LED illuminant and a light conductor rod which conducts light emitted by the LED illuminant into the cooking cavity, wherein the cooking appliance light includes a mounting plate that includes a cut out in which the light conductor rod of the cooking appliance light is supported, wherein the mounting plate supports the shielding sleeve that envelops the light conductor rod, and wherein the mounting plate is arranged at the cooking cavity wall and covers the opening.Type: GrantFiled: November 20, 2021Date of Patent: May 30, 2023Assignee: BJB GmbH & Co. KGInventors: Philipp Henrici, Olaf Baumeister, Frank Welslau
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Patent number: 10245337Abstract: The multifunction LED lighting apparatus of the present invention includes a least one lighting LED, at least one ultraviolet (UV) LED, a substrate configured to have the at least one lighting LED and the at least one UV LED mounted thereon, and a cover disposed to face the substrate at a specific interval and configured to cover the lighting LED and the UV LED. The at least one lighting LED and the at least one UV LED are integrally mounted on the substrate and configured to form a single module of a thin sheet form, and the cover is installed to cover and support the single module placed on the inside wall of an application.Type: GrantFiled: December 3, 2013Date of Patent: April 2, 2019Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jung Youl Park, Jong Rack Kim, Young Hwan Son, Seong Min Lee, Jae Seon Yi
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Patent number: 9885469Abstract: An oven light including an attachment sleeve which is attachable in a recess of a cooking cavity wall; a light permeable cover which closes the recess of the cooking cavity wall; an illuminant which is arranged behind the light permeable cover and whose emitted light is used for illuminating the cooking cavity, wherein the illuminant is formed by at least one LED which emits light in a light cone (K), wherein the LED is arranged on a cooling element which dissipates operating heat of the LED, wherein a heat barrier is arranged between the cover and the LED and protects the LED from a cooking temperature, wherein the light cone penetrates an arrangement plane of the heat barrier, characterized in that the heat barrier includes at least one in particular light permeable heat shield with an opening through which light of the LED propagates in a direction towards the cover.Type: GrantFiled: May 12, 2016Date of Patent: February 6, 2018Assignee: BJB GmbH & Co. KGInventors: Olaf Baumeister, Detlef Scholz
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Patent number: 9006627Abstract: A microwave oven includes a top wall, side walls, and a bottom wall at least partially defining a cavity of the microwave oven, and a table coupled to the bottom wall. The table has a top surface and an opposing bottom surface. The top surface is configured to support an item within the cavity. A light source directs light to the table. The table is configured to diffuse light emitted from the light source into the cavity.Type: GrantFiled: January 6, 2011Date of Patent: April 14, 2015Assignee: General Electric CompanyInventors: Terry Lien Do, Bryan James Beckley, Kyle Robert Eden, Brian Michael Schork
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Patent number: 8981269Abstract: A cooker is provided. According to an operation of the cooker, light having color different from each other is emitted into a cooking chamber according to whether it is in a cooking mode for cooking a food or a keep-warm mode for keeping the food warm. Thus, a user may easily confirm whether the food is cooked or kept warm. In addition, the food may be kept warm through a further simple structure.Type: GrantFiled: May 27, 2009Date of Patent: March 17, 2015Assignee: LG Electronics Inc.Inventors: Yong-Ho Park, Jun-Hyun Park, Wang-Lim Lee, Dae-Eun Kim, Dong-Heon Lee
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Publication number: 20140190961Abstract: A cooking apparatus 1 includes: a heating chamber which accommodates an object to be heated; an interior lamp illuminates the heating chamber; a control unit which supplies power to the interior lamp; and an operation unit which operates the control unit. The interior lamp is formed with an LED board on which a plurality of LED elements are mounted, and the control unit supplies power to only a part of the plurality of LED elements during cooking.Type: ApplicationFiled: October 12, 2012Publication date: July 10, 2014Inventors: Kouji Kanzaki, Hisahiro Nishitani, Shinichi Yamane
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Patent number: 8658954Abstract: A microwave oven including an extendable/retractable hood assembly is provided. The microwave oven draws contaminated air through intake ports that are provided in a hood casing and a hood. The hood is slidably received in the hood casing. Thus, the hood is retracted or extended from the hood casing to more efficiently perform an air exhaust function.Type: GrantFiled: February 11, 2010Date of Patent: February 25, 2014Assignee: LG Electronics Inc.Inventors: Sung Bae Song, Young Gyu Jung, Won Tae Kim
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Publication number: 20120175365Abstract: A microwave oven includes a top wall, side walls, and a bottom wall at least partially defining a cavity of the microwave oven, and a table coupled to the bottom wall. The table has a top surface and an opposing bottom surface. The top surface is configured to support an item within the cavity. A light source directs light to the table. The table is configured to diffuse light emitted from the light source into the cavity.Type: ApplicationFiled: January 6, 2011Publication date: July 12, 2012Inventors: Terry Lien DO, Bryan James Beckley, Kyle Robert Eden, Brian Michael Schork
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Patent number: 7931381Abstract: A lighting unit for use in illuminating an oven cavity is internally, asymmetrically constructed and externally, substantially symmetrically constructed. Due to the symmetrical external construction, the lighting unit can be readily mounted in an oven cavity in multiple configurations to establish varying levels of illumination depending on the selected mounting arrangement. In particular, the lighting unit can be rotated prior to insertion in a side wall opening of the oven cavity, with the illumination intensity varying depending on the selected mounting position. In one preferred embodiment of the invention, the outer shell is rectangular in shape to establish two distinct, potential mounting positions upon rotation of the lighting unit 180°, with the level of illumination varying in the order of at least 45% between the two mounting positions.Type: GrantFiled: December 19, 2008Date of Patent: April 26, 2011Assignee: Whirlpool CorporationInventors: Pedro Balbinotti, Leopoldo Zandardo Franca, Ramiro Ruthes Junior, Foad Mobini Kesheh, Vinicius Menezes Rodovalho
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Publication number: 20090184110Abstract: To provide a heating apparatus which is good in the matching property when incorporated into a cabinet etc. without degrading the usability of a heating apparatus itself. The heating apparatus is configured by a lid 4 which opens and closes a heating chamber 3, a control portion 5 which controls a heating unit and an operation portion 6 which controls the driving of the heating unit. The operation portion 6 is configured by being provided with electrostatic switches at the inner side of a semi-transparent member and is also configured in a manner that the operation portion is illuminated and placed in a state of accepting a switch operation when the semi-transparent member is touched. The operation portion normally cannot be seen from the outside and so the apparatus is good in the matching property with furniture etc. when incorporated into a cabinet etc.Type: ApplicationFiled: May 14, 2007Publication date: July 23, 2009Applicant: PANASONIC CORPORATIONInventors: Yoshio Semori, Masato Youta, Tomokazu Itou
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Publication number: 20080245788Abstract: An electric appliance comprises in particular an interior space which is separable from an outside environment and at least one radiation-emitting device arranged in the interior space for emitting electromagnetic radiation into the interior space.Type: ApplicationFiled: December 6, 2007Publication date: October 9, 2008Inventors: Vi-En Choong, Gerhard Kuhn, Feng Cheng, Mathew Mathai, Kar Phooi Foong, Qi Chen, Dmytro Poplavskyy
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Publication number: 20080210685Abstract: A household appliance has a housing and a door that define an interior, and an electric controller. A measuring device is disposed in the interior for measuring a physical parameter and includes a measuring probe and a probe antenna. A lighting device for illuminating the interior of the household appliance includes a cover and a transmit or receive antenna. The transmit or receive antenna is disposed on the housing and sealed from the interior in a substantially airtight manner using the cover. The transmit or receive antenna is in signal communication with the electric controller allowing wireless signal transmission between the measuring probe and the electric controller.Type: ApplicationFiled: March 15, 2006Publication date: September 4, 2008Applicant: Miele & Cie, KGInventor: Dominic Beier
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Patent number: 7365293Abstract: The present invention relates to a wall-mounting type microwave oven including a main body, a bottom plate provided on a bottom portion of the main body and having an opening, and a lamp supporter to support a lamp provided in the opening. The bottom plate being integrally formed with the lamp supporter to support the lamp. Thus, the lamp installation structure is simplified and the number of components is decreased.Type: GrantFiled: May 23, 2005Date of Patent: April 29, 2008Assignee: Samsung Electronics Co., Ltd.Inventor: Sung-wook Cho
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Patent number: 7294813Abstract: A microwave oven includes a main body, a door opening and closing the main body, and a control panel placed in one side of the main body and provided with a plurality of function operators. A guide line is provided on the control panel and lights up to guide manipulation order of the function operator.Type: GrantFiled: August 23, 2005Date of Patent: November 13, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Han-gyu Ryu, Jun-soo Kim, Hyang-ki Kim, Sang-hoon Paik
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Patent number: 7267450Abstract: A cooking apparatus having a lamp assembly. The lamp assembly includes a lamp casing having elastic tongues at both sides thereof and mounted with a lamp therein, and a transparent cover having locking depressions at both sides thereof and inserted into the lamp casing. The elastic tongues are formed by cutting the lamp casing and are provided with projections at free ends thereof to be caught by the locking depressions. The lamp casing is combined with a sidewall plate fastening a front flange of the lamp casing to the sidewall plate. The transparent cover is inserted into the lamp casing, and is provided with an inserted part on which the locking depressions are formed. A lamp protecting memberincluding holes having sizes to prevent microwaves from passing therethrough, is placed between the lamp casing and the transparent cover.Type: GrantFiled: June 18, 2004Date of Patent: September 11, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Yu Jeub Ha
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Patent number: 7129452Abstract: A wall-mounted microwave oven including a fixing member having an improved structure for fixing an oven body to a vertical wall. The wall-mounted microwave oven achieves a reduction in manufacturing costs and convenient and simple manufacturing, transporting and installing processes. The wall-mounted microwave oven also includes a sheet adapted to set an accurate mounting position for the fixing member, in which the sheet has a size corresponding to that of the oven body and is made of paper or a similar material. The fixing member is provided with fixing holes. The sheet is provided with fixing position marks indicating fixing positions where screws have to be fastened to the wall through respective fixing holes. The fixing member is also provided with hooks respectively engaged with hook holes formed at a lower end of the oven body.Type: GrantFiled: August 13, 2004Date of Patent: October 31, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Sung Wook Cho
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Patent number: 7091459Abstract: A cooking apparatus, in which lamps are conveniently and quickly replaced, including a lamp assembly having a lamp casing accommodating lamps and covering an irradiation hole formed in a front panel, and a transparent plate completely covering the irradiation hole. The lamp casing is screwed to the front panel, or is hinged to the front panel to allow rotation of the lamp casing. An open bottom of the lamp casing is covered with a lamp cover screwed or hooked to the lamp casing. A front cover is screwed to the front panel to cover the lamp assembly, or is hinged to the front panel to allow rotation thereof.Type: GrantFiled: August 20, 2004Date of Patent: August 15, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Hyung Min Kim
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Patent number: 7030349Abstract: 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.Type: GrantFiled: January 11, 2000Date of Patent: April 18, 2006Assignee: General Electric CompanyInventors: Todd Vincent Graves, Dennis Patrick Kill, Jesse Spalding Head, Charles Ray Smith
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Patent number: 6949730Abstract: A wall-mounted type microwave oven has an improved assembling structure of a lighting device to afford reduction of manufacturing cost and ease of assembly. The lighting device includes an opening formed at a bottom panel of the microwave oven, a lamp housing mounted on the bottom panel to cover the opening and having a lamp therein, a window bracket provided at the opening and having a transparent window thereon, support pieces provided at the bottom panel and extended toward the lamp housing, hooks formed at either the support pieces or the lamp housing, and hook holes formed at another of the support pieces and the lamp housing, coupling plates provided at the lamp housing and the window bracket, coupling holes formed at the coupling plates of the lamp housing and the window bracket, and a screw to be tightened into the coupling holes.Type: GrantFiled: December 5, 2002Date of Patent: September 27, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Se-Hun Lee, Kwang-il Yang
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Patent number: 6903321Abstract: To realize an air guide of a radio-frequency heating apparatus that enables fixing of a lamp without use of a vis though it is made of a metal plate material. An air guide 9 made of a metal plate material is formed with two inverted-L-shaped nails 15. A holding portion 13 of a lamp 12 is hooked on the nails 15 and a waveguide holding plate 19 is brought into contact with an opposed surface of the holding portion 13 of the lamp 12. As a result, the lamp 12 can be fixed without using a vis and hence a step of fixing the lamp 12 with a vis can be eliminated. An inexpensive configuration can be realized that is free of fear that a disconnection may occur in a filament due to vibration.Type: GrantFiled: November 12, 2002Date of Patent: June 7, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kouji Kanzaki, Kazuhiro Kawai
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Patent number: 6849840Abstract: Microwave oven including a main cabinet having a plurality of air inlet openings and a plurality of air outlet openings, for accommodating and protecting various components, an inner case provided in an upper space of the main cabinet to form a cooking chamber therein, the inner case having a plurality of inlet holes and outlet holes, an outfit chamber in a rear part of a lower space of the main cabinet for fitting electronic components therein, an inverter part in a front part of a lower space of the main cabinet, a magnetron part in a side space of the main cabinet, partition plates for separating a space for the inverter part, a space of the outfit chamber, and a space for the magnetron, respectively, and a single fan device in a part in contact with the spaces in common for circulating external air to the spaces in the main cabinet, thereby cooling the outfit chamber and the magnetron as well as preventing moisture in a cavity by using only one cooling fan and a fan motor.Type: GrantFiled: July 3, 2003Date of Patent: February 1, 2005Assignee: LG Electronics Inc.Inventor: Gi Young Sung
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Patent number: 6825453Abstract: Disclosed herein is a microwave oven and method for controlling the same. The microwave oven is used to heat and cook food using high frequency waves generated by high frequency generating means provided in an oven body. The microwave oven includes body sensing means for detecting the presence of a user in a sensing area extended over a certain area in front of the oven body, first operating means for operating the high frequency generating means, and control means for controlling the first operating means to selectively start, stop and resume the operation of the high frequency wave generating means according to the presence of a user in the sensing area.Type: GrantFiled: October 19, 2001Date of Patent: November 30, 2004Assignee: Samsung Electronics Co., Ltd.Inventors: Kwang-Seok Kang, Yong-Woon Han, Chul Kim
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Publication number: 20040188432Abstract: To realize an air guide of a radio-frequency heating apparatus that enables fixing of a lamp without use of a vis though it is made of a metal plate material. An air guide 9 made of a metal plate material is formed with two inverted-L-shaped nails 15. A holding portion 13 of a lamp 12 is hooked on the nails 15 and a waveguide holding plate 19 is brought into contact with an opposed surface of the holding portion 13 of the lamp 12. As a result, the lamp 12 can be fixed without using a vis and hence a step of fixing the lamp 12 with a vis can be eliminated. An inexpensive configuration can be realized that is free of fear that a disconnection may occur in a filament due to vibration.Type: ApplicationFiled: September 15, 2003Publication date: September 30, 2004Inventors: Kouji Kanzaki, Kazuhiro Kawai
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Patent number: 6734408Abstract: A wall-mounted type microwave oven including an improved coupling structure of a guide bracket to reduce manufacturing cost and manufacturing time is provided. The guide bracket has a hook protrusion at a front end, which is extended forwardly by a certain length. The base plate has a slot, into which the hook of the guide bracket is fitted. The guide bracket has a rear coupling portion at a rear end, which is extended laterally. The base plate has a rib to be in contact with the rear coupling portion. The rib has a hook at an upper end, by which the rear coupling portion of the guide bracket is held.Type: GrantFiled: November 21, 2002Date of Patent: May 11, 2004Assignee: Samsung Electronics Co., Ltd.Inventor: Jong-Hyuck Shin
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Patent number: 6707019Abstract: A microwave oven is provided which can prolong a lifetime of the oven's lamp by elimination of heat resistant tape fitted to the lighting window, and by optimizing cooling of the lamp. A ventilation structure of the microwave oven includes an air inlet, which also functions as a lighting window, located in one side of the upper surface of the cooking cavity, with the lamp mounted proximate thereto. The ventilation structure includes a ventilation motor and an air duct where the air duct guides cooling air past the lamp and into the cooking space through the air inlet.Type: GrantFiled: December 10, 2001Date of Patent: March 16, 2004Assignee: LG Electronics Inc.Inventor: Gi Young Kim
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Patent number: 6700107Abstract: A wall-mounted type microwave oven includes an oven body and a single lighting device which illuminates a cooking chamber of the oven body and a kitchen space below the oven body. The lighting device is provided at a lower portion of the oven body to illuminate the cooking chamber and the kitchen space. The cooking chamber includes an upper opening formed at its bottom plate to allow light emitted from the lighting device to pass into the cooking chamber therethrough, and the oven body includes a lower opening formed at its bottom plate to allow the light to pass to the kitchen space.Type: GrantFiled: August 22, 2002Date of Patent: March 2, 2004Assignee: Samsung Electronics Co., Ltd.Inventor: Se-Hun Lee
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Publication number: 20040000548Abstract: A wall-mounted type microwave oven including an improved coupling structure of a guide bracket to reduce manufacturing cost and manufacturing time is provided. The guide bracket has a hook protrusion at a front end, which is extended forwardly by a certain length. The base plate has a slot, into which the hook of the guide bracket is fitted. The guide bracket has a rear coupling portion at a rear end, which is extended laterally. The base plate has a rib to be in contact with the rear coupling portion. The rib has a hook at an upper end, by which the rear coupling portion of the guide bracket is held.Type: ApplicationFiled: November 21, 2002Publication date: January 1, 2004Applicant: Samsung Electronics Co., Ltd.Inventor: Jong-Hyuck Shin
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Publication number: 20040000549Abstract: A wall-mounted type microwave oven has an improved assembling structure of a lighting device to afford reduction of manufacturing cost and ease of assembly. The lighting device includes an opening formed at a bottom panel of the microwave oven, a lamp housing mounted on the bottom panel to cover the opening and having a lamp therein, a window bracket provided at the opening and having a transparent window thereon, support pieces provided at the bottom panel and extended toward the lamp housing, hooks formed at either the support pieces or the lamp housing, and hook holes formed at another of the support pieces and the lamp housing, coupling plates provided at the lamp housing and the window bracket, coupling holes formed at the coupling plates of the lamp housing and the window bracket, and a screw to be tightened into the coupling holes.Type: ApplicationFiled: December 5, 2002Publication date: January 1, 2004Applicant: Samsung Electronics Co., Ltd.Inventors: Se-Hun Lee, Kwang-Il Yang
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Publication number: 20030226842Abstract: A wall-mounted type microwave oven includes an oven body and a single lighting device which illuminates a cooking chamber of the oven body and a kitchen space below the oven body. The lighting device is provided at a lower portion of the oven body to illuminate the cooking chamber and the kitchen space. The cooking chamber includes an upper opening formed at its bottom plate to allow light emitted from the lighting device to pass into the cooking chamber therethrough, and the oven body includes a lower opening formed at its bottom plate to allow the light to pass to the kitchen space.Type: ApplicationFiled: August 22, 2002Publication date: December 11, 2003Applicant: SAMSUNG ELECTRONICS CO., LTDInventor: Se-Hun Lee
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Patent number: 6657172Abstract: A high frequency heating apparatus equipped with the oven hood comprises a heating chamber, a power supply apparatus for controlling high frequency output power by way of a semiconductor element, ventilation, and illumination for illuminating an object to be heated by another heat-cooking apparatus. Since the high frequency output power is controlled in such a manner that an optimum heating output power is applied in a linear manner for a proper time period, the heating output power can be controlled in the linear manner and the high frequency heating apparatus can be largely reduced in weight. As a result, the highest-speed heat-cooking operation by receiving the maximum high frequency output power can be realized, and the optimum cooking performance can be realized. Both the installation performance of the appliance to the mounting wall plane and the safety performance achieved by stably fixing the appliance can also be largely improved.Type: GrantFiled: July 17, 2002Date of Patent: December 2, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masato Yamauchi, Toshiyuki Ishiguro, Hirofumi Yoshimura, Fumihiko Migaki, Ikuhiro Inada, Masato Matsuda
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Publication number: 20030015525Abstract: A high frequency heating apparatus equipped with the oven hood comprises a heating chamber, a power supply apparatus for controlling high frequency output power by way of a semiconductor element, a ventilation means, and an illumination means for illuminating an object to be heated of another heat-cooking apparatus. Since the high frequency output power is controlled in such a manner that optimum heating output power is applied in a linear manner for a proper time period, the heating output power can be controlled in the linear manner and the high frequency heating apparatus can be largely made in light weight. As a result, highest-speed heat-cooking operation by receiving the maximum high frequency output power can be realized, the optimum cooking performance can be realized, and both installation performance of the appliance to the mounting wall plane and safety performance achieved by stably fixing the appliance can be largely improved.Type: ApplicationFiled: July 17, 2002Publication date: January 23, 2003Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Masato Yamauchi, Toshiyuki Ishiguro, Hirofumi Yoshimura, Fumihiko Migaki, Ikuhiro Inada, Masato Matsuda
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Publication number: 20020084269Abstract: An object of the present invention for solving the foregoing problems is to provide air drawing holes and lamp fitting structure of a microwave oven, which can reduce a production cost, and prolong a lifetime of the lamp owing to elimination of heat resistant tape fitted to the lighting window and minimized air duct.Type: ApplicationFiled: December 10, 2001Publication date: July 4, 2002Applicant: LG Electronics Inc.Inventor: Gi Young Kim
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Patent number: 6201225Abstract: An air duct in a multi-purpose microwave oven is disclosed, which prevents an oven lamp from being overheated. The air duct in a multi-purpose microwave oven includes a main body having an air inlet and an air outlet to communicate a cooking chamber with a component chamber, a partition provided on an inner space of the main body to guide air flow into a first path located at the air inlet and a second path communicated with the cooking chamber, an air discharge opening formed on a wall on the first path to communicate with the outside, an oven lamp provided in the first path, and a closing device provided between the first path and the second path, for selectively blocking air flow into the second path so that air flown into the main body is selectively discharged through the air outlet or the air discharge opening.Type: GrantFiled: June 30, 2000Date of Patent: March 13, 2001Assignee: LG Electronics Inc.Inventor: Sung Geon Lee
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Patent number: 6087643Abstract: A method for controlling a cavity lamp of a microwave oven has a step of determining whether a door is opened. A cooking state is identified by determining whether a cooking key of a key input portion is selected when the door is opened. Whether the cooking cancellation key of the key input portion is selected when the door is not opened in the cooking state is identified. A cavity lamp is turned off when the cooking cancellation key is selected. Whether an open time of the door passes beyond an established predetermined time in advance is determined. The cavity lamp is turned off when the open time of the door passed beyond the predetermined time. Therefore, the cavity lamp which is turned on when a door is opened is turned off automatically or manually so that life of the cavity lamp is lengthened and loss of electric power is reduced.Type: GrantFiled: June 19, 1998Date of Patent: July 11, 2000Assignee: Daewoo Electronics Co., Ltd.Inventor: Heui-Jung Park
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Patent number: 6066837Abstract: A method and apparatus for controlling a cooking apparatus operates at least one cooking energy source with a control including switches that reduce the input manipulations required by a user and responses to component manipulations in order to operate one or more of the cooking energy sources to complete a cooking operation. The control responds to a first selection of the Sabbath operating mode and responds to a second selection for setting a first cooking source and at least one related feature function. An actuator maintains the performance status of the cooking energy source and the related feature, and disables the selectors during maintained performance.Type: GrantFiled: April 16, 1999Date of Patent: May 23, 2000Assignee: Thermador CorporationInventors: DeWayne LeRoy McCormick, Dindo S. Uy
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Patent number: 6025582Abstract: A wall type microwave oven having a hood device and an output control method thereof are disclosed. The microwave oven includes a first switch section for switching a power supply to a hood motor of the hood device, and a second switch section for switching power supply to a hood lamp of the hood device. A third switch section controls the output of the microwave oven by several stages. A control section switches/controls the third switch section, responsive to a control of the first or second switch section, such that when the microwave oven is operated with the hood motor or said hood lamp, output of the microwave oven is to be a low level.Type: GrantFiled: May 27, 1998Date of Patent: February 15, 2000Assignee: Samsung Electronics Co., Ltd.Inventors: Jeon-hong Kang, Sang-jin Jeong
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Patent number: 6005235Abstract: This invention relates to a cooling apparatus for a microwave oven using lighting lamps as a heat source other than microwaves. According to this invention, the microwave oven comprises a pair of lighting lamps set on the upside and downside of a cavity and a pair of cooling fans to supply airflow for cooling the lighting lamps. The airflow by the cooling fan goes towards the inner part of the microwave oven from its outer part, thereby primarily cooling the lighting lamps. In addition, part of the airflow cooling the lighting lamps is exhausted from the microwave oven through the inside cavity of the microwave oven inner air of cavity in harmony.Type: GrantFiled: November 13, 1998Date of Patent: December 21, 1999Assignee: LG Electronics, Inc.Inventor: Sung Un Shin
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Patent number: 5747783Abstract: A cooking chamber of a microwave oven is illuminated during a given cooking operation. During that cooking operation the color of the illumination is changed in accordance with the progress of the cooking operation, such as the progress of the cooking time or the temperature of food being cooked, to enable the cooking progress to be visually monitored from a distance.Type: GrantFiled: April 5, 1996Date of Patent: May 5, 1998Assignee: Samsung Electronics Co., Ltd.Inventors: Soon-Hwan Myung, Sang-Jin Kim, Chya-Hyung Lee, Jea-Wook Park, Ho Seok Yun
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Patent number: 5712468Abstract: A high-illumination lighting system for microwave ovens which employs a small, low-voltage microwave-immune incandescent lamp located within the oven cavity, thereby utilizing up to the full 4.pi. steradians of emitted light. The lamp, which may be integrated into the oven cavity during manufacture or may be included in aftermarket ovens as a complete lamp module, preferably is located at the upper front of the oven in order to front-light the over contents. The lamp may be electrically connected to one of several existing oven power supplies, or alternatively, may be an aftermarket module powered by microwave energy within the oven cavity. In the latter case, a microwave antenna is connected to the lamp to supply operating power.Type: GrantFiled: June 1, 1995Date of Patent: January 27, 1998Inventor: Ronald Ace
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Patent number: 5616270Abstract: A microwave oven includes a cooking chamber closed by a door. The magnetron is operated by a control mechanism which includes a circuit board and safety switches which permit the magnetron to be operated only when the door is closed. The opening and closing of the door causes a switch-actuating mechanism to be operated for turning the safety switches on or off. The safety switches, together with a lamp for illuminating the cooking chamber, are mounted on the circuit board. The circuit board is arranged horizontally, with the switches and lamp being mounted on a bottom surface thereof.Type: GrantFiled: February 24, 1995Date of Patent: April 1, 1997Assignee: Samsung Electronics Co., Ltd.Inventor: Byeng-Jun Park
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Patent number: D412807Type: GrantFiled: October 14, 1998Date of Patent: August 17, 1999Assignee: Sanyo Electric Co., Ltd.Inventors: Kensaku Noda, Yasunori Kusachi, Masatoshi Okuda