Patents by Inventor Ja In Koo
Ja In Koo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7853662Abstract: Disclosed is a network control system for home appliances that satisfies the characteristics of low-cost and high-efficiency with respect to currently used appliances adopting a low-performance microcomputer. The system is constructed to define a master/slave type communication structure with respect to the respective appliances; construct a network by connecting the appliances through the serial communication function; and enable the appliances to communicate with one another if a predetermined communication event is produced. According to the system, an optimized network for the home appliances can be implemented, and operation states of the respective appliances can be displayed through the co-operation among the appliances, thereby maximizing the user convenience.Type: GrantFiled: July 5, 2001Date of Patent: December 14, 2010Assignee: LG Electronics Inc.Inventors: Sam-Chul Ha, Seung-Myun Baek, Koon-Seok Lee, Jeong-Hyun Lim, Hwan-Jong Choi, Ja-In Koo, Dae-Woong Kim, Sung-Hwan Kang
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Publication number: 20100309565Abstract: An object of the invention is to provide a laser line-generator that generates a straight line with the both end portions as bright as the central portion, and a laser line-generator module that integrates the laser line-generator with a laser light source. A columnar transparent medium has an entrance boundary surface 10 for taking in laser light and an exit surface 20 for emitting the taken laser light linearly. At least one of the entrance boundary surface 10 and the exit surface 20 is composed of a curved surface, and a curve forming the curved surface includes two or more inflection points F.Type: ApplicationFiled: June 8, 2009Publication date: December 9, 2010Applicant: Ayase Co., LtdInventors: Chiaki Kojima, Ja Koo, Hiroyuki Imai
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Patent number: 7729282Abstract: The present invention discloses a configuration apparatus thereof which can efficiently configure a new home appliance in the home network system comprised of various home appliances. The configuration method of a home network system, comprising of confirming whether a previously-stored logical address is an initial logical address, transmitting a master search packet to the home network system when the logical address previously stored in the storage means is an initial logical address, waiting for a response packet from the home network system, when the response packet is received from the home network system, changing the initial logical address into a predetermined logical address according to reception of the response packet; and when the response packet is not received from the home network system, changing the previously-stored initial logical address into a previously-stored basic logical address.Type: GrantFiled: July 7, 2003Date of Patent: June 1, 2010Assignee: LG Electronics Inc.Inventors: Koon-Seok Lee, Seung-Myun Baek, Hwan-Jong Choi, Yong-Tae Kim, Feel-Young Koo, Ja-In Koo, Seong-Hwan Kang
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Patent number: 7715325Abstract: A home network system which can efficiently configure a new home appliance in the home network system. The home network system includes at least one new device newly connected to a master device through a network, for transmitting a plugged-in request message containing an initial address through the network, receiving an address change request message containing a logical address, and changing the initial address to the logical address, and at least one master device connected to the new device through the network, for receiving the plugged-in request message from the new device, setting the logical address for the new device, and transmitting the address change request message containing the logical address to the new device, wherein the initial address comprises at least a product code and a logical address of the new device, and the new device changes the logical address to the logical address set by the master device.Type: GrantFiled: July 7, 2003Date of Patent: May 11, 2010Assignee: LG Electronics IncInventors: Koon-Seok Lee, Feel-Young Koo, Yong-Tae Kim, Hwan-Jong Choi, Seung-Myun Baek, Ja-In Koo, Seong-Hwan Kang
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Publication number: 20100037401Abstract: A washing machine and a method of controlling the washing machine may be provided. The washing machine may include a drum in which laundry are provided and rotated. A laundry amount may be sensed. The drum may operate at a first speed so that a part of the laundry tumbles within the drum and another part of the laundry adheres to the drum or the drum operates at a second speed so that the laundry adheres to the drum according to the sensed laundry amount. Accordingly, at a time of a dehydration cycle, stability of the washing machine and a laundry balancing can be ensured.Type: ApplicationFiled: May 15, 2009Publication date: February 18, 2010Inventors: Sun Cheol BAE, Kyung Hoon Kim, Han Su Jung, Jae Hyeok Choi, Ja In Koo
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Publication number: 20100031451Abstract: A washing machine and a method of controlling a washing machine are provided. A drum may be rotated from a stopped state to a specific angle less than 180 degrees. While the drum is rotated, a laundry amount may be sensed based on a current value of a motor that rotates the drum. The laundry amount may be sensed simply and accurately.Type: ApplicationFiled: May 15, 2009Publication date: February 11, 2010Inventors: Sun Cheol BAE, Kyung Hoon KIM, Han Su JUNG, Jae Hyeok CHOI, Ja In KOO
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Patent number: 7644513Abstract: Method for controlling a drying course of a laundry dryer including the steps of (a) starting a drying course by using high temperature drying air, and sensing dryness of a drying object periodically, (b) determining a dryness saturation time point at which the dryness sensed thus exceeds a preset reference value Q, (c) determining a load of the drying object according to the drying saturation time point T_sat, and (d) varying a drying algorithm depending on the load of the drying object determined thus, whereby preventing a small amount of laundry from sticking to a drum in a drying course by varying a control algorithm of the drying motor in a case an amount of the drying object is determined to be small accurately with reference to a saturation time point of an electrode sensor.Type: GrantFiled: November 13, 2006Date of Patent: January 12, 2010Assignee: LG Electronics Inc.Inventors: Sun Cheol Bae, Ja In Koo, Jin Seok Hu, Yang Hwan Kim
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Publication number: 20090307851Abstract: A washing machine and a method of controlling a washing machine are provided. The washing machine may include a drum in which laundry is provided and is rotated. The drum may operate at a first speed such that part of the laundry tumbles within the drum and another part of the laundry adheres to the drum. An unbalance amount or a first speed operation time of the drum, which is detected when the drum operates at the first speed, may be determined. When an abnormality occurs, rotation of the drum may stop or decelerate. Accordingly, at the time of a dehydration cycle, stability of the washing machine and laundry balancing can be ensured.Type: ApplicationFiled: May 15, 2009Publication date: December 17, 2009Inventors: Sun Cheol Bae, Kyung Hoon Kim, Han Su Jung, Jae Hyeok Choi, Ja In Koo
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Publication number: 20090300853Abstract: The present invention relates to a washing machine and a method of controlling the washing machine. According to a washing machine and a method of controlling the washing machine in accordance with the present invention, a drum operates at a first speed so that part of the laundry tumbles within the drum and another part of the laundry adheres within the drum. The drum operates at a second speed lower than the first speed so that an amount of the tumbling laundry is more increased than at the first speed. Accordingly, at the time of a dehydration cycle, stability of the washing machine and laundry balancing can be ensured.Type: ApplicationFiled: May 22, 2009Publication date: December 10, 2009Inventors: Sun Cheol Bae, Kyung Hoon Kim, Han Su Jung, Jae Hyeok Choi, Ja In Koo
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Publication number: 20090300852Abstract: The present invention relates to a washing machine and a method of controlling a washing machine. According to the washing machine and the method of controlling the washing machine in accordance with the present invention, the drum is operated at a first speed so that laundry tumbles within the drum. A laundry amount within the drum during the first speed operation is sensed. The drum is driven at a second speed so that part of the laundry tumbles within the drum and another part of the laundry adheres to the drum. Operation commands for driving the drum subsequent to the first speed operation are changed based on the sensed laundry amount. Accordingly, at the time of a dehydration cycle, stability of the washing machine and laundry balancing can be ensured.Type: ApplicationFiled: May 22, 2009Publication date: December 10, 2009Inventors: Sun Cheol BAE, Kyung Hoon Kim, Han Su Jung, Jae Hyeok Choi, Ja In Koo
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Publication number: 20090300851Abstract: The present invention relates to a washing machine and a method of controlling the washing machine. According to the washing machine and the method of controlling the washing machine in accordance with the present invention, the drum is operated at a first speed so that part of laundry tumbles within the drum and another part of the laundry adheres to the drum. When a unbalance amount of the drum operating at the first speed is a first specific value or less, increasing the speed of the drum to a second speed so that the laundry adheres to the drum. When a unbalance amount of the drum detected during increasing to the second speed is a second specific value or more, decelerating the rotation of the drum. Accordingly, at the time of a dehydration cycle, stability of the washing machine and laundry balancing can be ensured.Type: ApplicationFiled: May 22, 2009Publication date: December 10, 2009Inventors: Sun Cheol BAE, Kyung Hoon Kim, Han Su Jung, Jae Hyeok Choi, Ja In Koo
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Publication number: 20090293205Abstract: The present invention relates to a washing machine and a method of controlling the washing machine. According to a washing machine and a method of controlling the washing machine in accordance with the present invention, a drum operates at a first speed so that part of the laundry tumbles within the drum and another part of the laundry adheres to the drum. The laundry amount within the drum is sensed during the first speed operation. Operation commands for driving the drum after the first speed operation are changed based on the sensed laundry amount. Accordingly, at the time of the dehydration cycle, stability of the washing machine and laundry balancing can be ensured.Type: ApplicationFiled: May 22, 2009Publication date: December 3, 2009Inventors: Sun Cheol Bae, Kyung Hoon Kim, Han Su Jung, Jae Hyeok Choi, Ja In Koo
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Patent number: 7539779Abstract: A method for separating multiple home networks networked in one communication line into each home network is disclosed, which includes the steps of forming home network for networking apparatuses in the house to communicate with one another, setting individual home codes to each apparatus, connecting the home networks formed in a plurality of houses to one another, and forming packet data including the home codes for communicating.Type: GrantFiled: April 10, 2002Date of Patent: May 26, 2009Assignee: LG Electronics Inc.Inventors: Sam Chul Ha, Seung Myun Baek, Koon Seok Lee, Jeong Hyun Lim, Hwan Jong Choi, Ja In Koo, Dae Woong Kim, Sung Hwan Kang
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Patent number: 7539206Abstract: A communication apparatus and a method for supporting carrier sense multiple access/collision detection (CSMA/CD) are disclosed.Type: GrantFiled: April 9, 2002Date of Patent: May 26, 2009Assignee: LG Electronics Inc.Inventors: Sam Chul Ha, Seung Myun Baek, Koon Seok Lee, Jeong Hyun Lim, Hwan Jong Choi, Ja In Koo, Dae Woong Kim, Sung Hwan Kang
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Patent number: 7526879Abstract: A drum washing machine and a clothes dryer equipped with a thermoelectric module are disclosed. The thermoelectric module includes a heat absorption side and a heat dissipation side which absorbs and dissipates heat at a junction between two dissimilar metals depending on direction of current flow through the junction. The heat absorption side is disposed at a hot air flowing passage. Accordingly, the drying apparatus can increase energy efficiency with minor structural modification and becomes environmentally friendly unlike a conventional drying apparatus using a heat pump.Type: GrantFiled: November 2, 2006Date of Patent: May 5, 2009Assignee: LG Electronics Inc.Inventors: Sun Cheol Bae, Ja In Koo, Jin Seok Hu, Yang Hwan Kim
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Publication number: 20080148597Abstract: A clogging detecting apparatus for a dryer is provided that can check a clogging state of an air passage according to an off time of a drying operation. The clogging detecting apparatus may include a heater for heating the air of the air passage, a temperature control unit for turning on/off a power supply from a power unit to the heater according to a temperature of the air passage or a temperature of the heater, and a judgment unit for judging the clogging state of the air passage according to an on/off time of the temperature control unit. The clogging detecting apparatus may precisely judge the clogging state of the air passage according to a quantity of laundry dried in the dryer regardless of external factors such as a variation of an external common power.Type: ApplicationFiled: December 21, 2007Publication date: June 26, 2008Inventors: Yang-hwan KIM, Kyung-hun KIM, Ja-in KOO, Ju-hyun KIM, Sun-cheol BAE, Ju-young MIN, Jin-seok HU
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Publication number: 20080148592Abstract: The present invention discloses a dryer with safety function which can interrupt a drying operation of the dryer in clogging of an exhaust duct. The dry with safety function includes a judgment means for judging clogging of the exhaust duct, and a display means interworking with the judgment means, for displaying the clogging state of the exhaust duct in clogging of the exhaust duct. The user can be rapidly informed of the clogging state of the exhaust duct.Type: ApplicationFiled: November 9, 2007Publication date: June 26, 2008Inventors: Yang-hwan KIM, Kyung-hun Kim, Ja-in Koo, Ju-hyun Kim, Sun-cheol Bae, Ju-young Min, Jin-seok Hu
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Publication number: 20080097631Abstract: The present invention discloses a home network system (1) which can provide an efficient address system for home appliances by using a dynamic address field selectively including at least two different kinds of logical address codes. The home network system (1) includes at least one slave device (40), and a master device (30) connected to the slave devices (40) through a predetermined network (20), the master device (30) and the slave device (40) distinguishing each other by an address field including a dynamic address field selectively having at least two different kinds of logical address codes to distinguish a plurality of slave devices (40) and master devices (30).Type: ApplicationFiled: January 20, 2004Publication date: April 24, 2008Applicant: LG ELECTRONICS INC.Inventors: Seung-Myun Baek, Koon-Seok Lee, Hwan-Jong Choi, Yong-Tae Kim, Feel-Young Koo, Ja-In Koo, Seong-Hwan Kang
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Publication number: 20080078100Abstract: The present invention discloses a clogging detecting apparatus for a dryer which can check and display a clogging degree of an air passage. The clogging detecting apparatus for the dryer includes a judgment unit for judging the clogging degree of the air passage, a storing unit for storing the clogging degree of the air passage, and a display unit for displaying the clogging degree to the user. The clogging detecting apparatus for the dryer does not only notify clogging of the air passage but also provides information on the clogging degree, so that the user can precisely check the state of the air passage.Type: ApplicationFiled: September 5, 2007Publication date: April 3, 2008Inventors: Ju-hyun KIM, Kyung-hun Kim, Sun-cheol Bae, Jin-seok Hu, Yang-hwan Kim, Ju-young Min, Ja-in Koo
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Publication number: 20080072450Abstract: The present invention discloses a clogging detecting system for a dryer which can display a clogging degree or state of an air passage to the user through a remote controlling device. The clogging detecting system for the dryer includes the dryer for judging the clogging degree of the air passage, and sending the clogging degree to a remote controlling device, and the remote controlling device for receiving the clogging degree from the dryer, and displaying the clogging degree through a display unit.Type: ApplicationFiled: September 4, 2007Publication date: March 27, 2008Inventors: Yang-hwan KIM, Kyung-hun Kim, Ja-in Koo, Ju-hyun Kim, Sun-cheol Bae, Ju-young Min, Jin-seok Hu