Patents by Inventor Hwan Jong Choi
Hwan Jong Choi 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).
-
Patent number: 8292575Abstract: A fan apparatus and an air conditioner employing such a fan apparatus are provided to reduce noise and enhance efficiency. The fan apparatus may be driven by a BLDC motor that stably drives the fan and increases an air flow rate. Heat exchange efficiency of an outdoor unit of a front suction/discharge type air conditioner may be improved by such a fan apparatus driven by such a BLDC motor.Type: GrantFiled: August 19, 2004Date of Patent: October 23, 2012Assignee: LG Electronics Inc.Inventors: In Gyu Kim, Byung Il Park, Ja Hyung Koo, Yang Ho Kim, Kyeong Wook Heo, Si Kyong Sung, Dong Hyuk Lee, Young Hwan Ko, Jun Hyeon Hwang, Ho Jin Song, Jin Seong Hwang, Young Ho Hong, Hwan Jong Choi, Geun Bae Hwang, Chun Su Kang, Tae Geun Kim
-
Patent number: 7917663Abstract: A method for confirming connection state of a home appliance in home network system is disclosed, which includes a step in which the home appliance periodically confirms the connection state to the home network system, a step in which the appliance generates a packet for requiring address allocation, a step in which the appliance transfers the packet to network managing appliance, a step in which the appliance generates an alive notifying packet on allocating the address of the appliance from the network managing appliance, and a step in which the appliance transfers the alive notifying packet to the network managing appliance.Type: GrantFiled: April 10, 2002Date of Patent: March 29, 2011Assignee: LG Electronics Inc.Inventors: Hwan Jong Choi, Koon Seok Lee
-
Patent number: 7873699Abstract: 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 2, 2004Date of Patent: January 18, 2011Assignee: 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
-
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
-
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
-
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
-
Patent number: 7577719Abstract: A method for controlling a home automation system is disclosed, in which web sites, a PC trying to connect to the web sites, and electric home appliances connected to the PC are provided. The home automation system includes a step for trying to communicate with electric home appliances and web sites once a user operates an internet operating program; a step for opening a main web page, analyzing commands for a button clicked by a user with reference to the main web page, and performing a controlling operation according to the analyzed result if the PC is connected to the web sites; and a step for opening a local page stored in PC and opening a corresponding link page according to a button clicked by a user if the PC is connected only to electric home appliances without being connected to the web sites.Type: GrantFiled: April 10, 2002Date of Patent: August 18, 2009Assignee: LG Electronics Inc.Inventors: Hong Shik Yoon, Seung Myun Baek, Koon Seok Lee, Hwan Jong Choi
-
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
-
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
-
Patent number: 7414516Abstract: A system for remote controlling and monitoring a home appliance includes a first home appliance having a master function, at least one second home appliance having a slave function, and a communication line path for communication only between the first home appliance and at least one of the second home appliances. The master function is configured to control the slave function.Type: GrantFiled: April 9, 2002Date of Patent: August 19, 2008Assignee: LG Electronics Inc.Inventors: Hong Shik Yoon, Seung Myun Baek, Koon Seok Lee, Hwan Jong Choi
-
Publication number: 20080127671Abstract: The present invention provides a fan apparatus which can reduce noise and enhance fan efficiency by employing a BLDC motor that can make stable drive of the fan and increase an air flow rate, and an outdoor unit of a front suction/discharge type in an air conditioner that can enhance heat exchange efficiency by employing the same.Type: ApplicationFiled: August 19, 2004Publication date: June 5, 2008Inventors: In Gyu Kim, Byung Il Park, Ja Hyung Koo, Yang Ho Kim, Kyeong Wook Heo, Si Kyong Sung, Dong Hyuk Lee, Young Hwan Ko, Jun Hyeon Hwang, Ho Jin Song, Jin Seong Hwang, Young Ho Hong, Hwan Jong Choi, Geun Bae Hwang, Chun Su Kang, Tac Geun Kim
-
Publication number: 20080131274Abstract: Fan apparatus including a fan, a shaft coupled to the fan for transmission of driving force from a motor to the fan, a rotor bushing of an insulating material joined to a rear end portion of the shaft, a rotor joined to the rotor bushing for transmission of the driving force to the shaft through the rotor bushing, and a stator mounted so as to be positioned on an inside of the rotor to form a BLDC motor together with the rotor, thereby reducing noise and enhancing fan efficiency by employing the BLDG motor which can make stable operation of the fan and increase an air flow rate.Type: ApplicationFiled: August 19, 2004Publication date: June 5, 2008Inventors: In Gyu Kim, Byung Il Park, Ja Hyung Koo, Yang Ho Kim, Kyeong Wook Heo, Si Kyong Sung, Dong Hyuk Lee, Young Hwan Ko, Jun Hyeon Hwang, Ho Jin Song, Jin Seong Hwang, Young Ho Hong, Hwan Jong Choi, Geun Bae Hwang, Chun Su Kang, Tac Geun Kim
-
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
-
Publication number: 20080027566Abstract: The present invention discloses a home network system (100) which uses a message structure for efficient communication between a plurality of home appliances. The home network system (100) includes at least one slave device (60, 70, 80), and at least one master device (50) connected to the slave device (60, 70, 80) through a network (90), for transmitting a request message to the slave device (60, 70, 80), wherein the request message is transmitted from an upper layer of the master device (50) to a lower layer thereof and from a lower layer of the slave device (60, 70, 80) to an upper layer thereof, and has a command code implying an operation which will be executed by the slave device (60, 70, 80), and a related argument for executing the operation.Type: ApplicationFiled: May 28, 2004Publication date: January 31, 2008Inventors: Seung-Myun Baek, Koon-Seok Lee, Hwan-Jong Choi, Yong-Tae Kim, Feel-Young Koo, Ja-In Koo, Seong-Hwan Kang
-
Publication number: 20070255796Abstract: The present invention discloses a home network system (1) which can efficiently configure a new home appliance (50) in the existing home network system. The home network system (1) includes at least one new device (50) newly connected to a master device (30) through a network (20), for transmitting a plugged-in request message containing an initial address through the network (20), 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 (30) connected to the new device (50) through the network (20), 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.Type: ApplicationFiled: July 7, 2003Publication date: November 1, 2007Applicant: LG Electronic Inc.Inventors: Koon-Seok Lee, Feel-Young Koo, Yong-Tae Kim, Hwan-Jong Choi, Seung-Myun Baek, Ja-In Koo, Seong-Hwan Kang
-
Patent number: 7251533Abstract: A method for controlling a home automation system is disclosed, in which a PC for controlling web sites, electric home appliances, and communication between the web sites and the electric home appliances is provided. The method includes a step for trying to communicate with web sites or electric home appliances by using a predetermined program, a step for displaying a web page or a local page according to the communication try result; a step for displaying a corresponding web page or a local page according to the number of connected electric home appliances; and a step for controlling a corresponding appliance by inputting a controlling button of the displayed page.Type: GrantFiled: April 10, 2002Date of Patent: July 31, 2007Assignee: LG Electronics Inc.Inventors: Hong Shik Yoon, Seung Myun Baek, Koon Seok Lee, Hwan Jong Choi
-
Publication number: 20070169074Abstract: The present invention discloses an upgrade apparatus and its method for a home network system which can automatically upgrade software. The upgrade apparatus for the home network system is installed in the home network system having a first storage unit in which at least one protected program has been installed, and includes n upgrade means for deciding whether a second storage unit separated from the first storage unit stores an upgrade file corresponding to the protected program, and upgrading the protected program by using the upgrade file according to the decision result.Type: ApplicationFiled: July 7, 2003Publication date: July 19, 2007Inventors: Ja-In Koo, Feel-Young Koo, Hwan-Jong Choi, Seong-Hwan Kang, Yong-Tae Kim, Koon-Seok Lee, Seung-Myun Baek
-
Publication number: 20070133569Abstract: The present invention discloses a home network system and a configuration apparatus thereof which can efficiently configure a new home appliance in the home network system comprised of various home appliances. The home network system includes at least one slave device, and a plurality of master devices connected to the slave device through a predetermined network, wherein at least one master device includes a master means for controlling an operation of the slave device and monitoring a status thereof, and a slave means for responding to the request of the other master devices.Type: ApplicationFiled: July 7, 2003Publication date: June 14, 2007Inventors: Koon-Seok Lee, Seung-Myun Baek, Hwan-Jong Choi, Yong-Tae Kim, Feel-Young Koo, Ja-In Koo, Seong-Hwan Kang
-
Publication number: 20070130278Abstract: The present invention discloses a home network system which can achieve communication between a home master device and a remote control server by using a predetermined message structure. The home network system includes a home master device connected to a plurality of home appliances, and a remote control server connected to the home master device through a first network, for transmitting/receiving a message between a user terminal and the home master device. The message transmitted/received between the home master device and the remote control server includes at least a product code unit of the corresponding home appliance, a message code unit for notifying a transmission/reception direction of the message, parameter units under the definition of the message, and a number unit of parameters.Type: ApplicationFiled: February 12, 2004Publication date: June 7, 2007Inventors: Seung-Myun Baek, Koon-Seok Lee, Hwan-Jong Choi, Yong-Tae Kim, Feel-Young Koo, Ja-In Koo, Seong-Hwan Kang
-
Patent number: 7227461Abstract: The present invention discloses a security confirmation system which can achieve efficient communication by optimizing an amount of transmitted data, and a method thereof. The security confirmation system includes a home master device connected to at least one security device through a first network based on a predetermined protocol, for receiving predetermined security information from the security device, generating a service security data having the security information, and transmitting the service security data, and a user terminal connected to the home master device through a second network separated from the first network, for receiving and displaying the service security data.Type: GrantFiled: May 19, 2004Date of Patent: June 5, 2007Assignee: LG Electronics, Inc.Inventors: Hwan-Jong Choi, Feel-Young Koo, Ja-In Koo, Koon-Seok Lee, Seung-Myun Baek, Yong-Tae Kim, Sung-Hwan Kang