Patents by Inventor Si-Kyong Sung

Si-Kyong Sung 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).

  • Publication number: 20200371675
    Abstract: A media content playback apparatus according to an embodiment can change the playback time point of a media content on the basis of the movement of a user's finger or a mouse pointer for dragging on a display. The media content playback apparatus can determine the movement distance of the finger or the mouse pointer on an axis parallel to a main search bar and a time scale which is the rate of change of a playback time point, on the basis of the start point of the user's dragging on the display. The playback time point can be changed on the basis of the determined time scale and the determined movement distance of the finger or the mouse pointer on the axis parallel to the main search bar.
    Type: Application
    Filed: December 18, 2018
    Publication date: November 26, 2020
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Si Kyong SUNG
  • Patent number: 8545193
    Abstract: Fan apparatus for an air conditioner including a fan (50), a shaft (68) coupled to the fan (50), a rotor (60) for transmission of driving force to the shaft (68) for rotating the fan (50), a stator (65) on an inside of the rotor (60) to form a BLDC motor together with the rotor (60), and a fan housing (40) for enclosing the fan (50), thereby reducing noise and enhancing fan (50) efficiency.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: October 1, 2013
    Assignee: 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 Ho Hong, Tae Geun Kim
  • Patent number: 8292575
    Abstract: 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: Grant
    Filed: August 19, 2004
    Date of Patent: October 23, 2012
    Assignee: 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: 7730733
    Abstract: An apparatus for summing capacities of outdoor units in a multiple air conditioner comprises self-capacity storage devices mounted in outdoor units, respectively, for storing self-capacities of the outdoor units and outputting the self-capacities of the outdoor units when necessary, an outdoor unit capacity summing part mounted in one outdoor unit of the outdoor units for receiving the capacities of the outdoor units outputted from the respective self-capacity storage devices to calculate the total capacity of all the outdoor units, and a control device for receiving the result of the calculation performed by the outdoor unit capacity summing part to control the operation of the multiple air conditioner. The possibility of incorrect input of the capacities of the outdoor units is eliminated, and therefore, more accurate control of the multiple air conditioner is accomplished.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: June 8, 2010
    Assignee: LG Electronics Inc.
    Inventors: Ii Nahm Hwang, Si Kyong Sung, Young Min Park, Pil Hyun Yoon, Jin Ha Choi
  • Patent number: 7721558
    Abstract: Disclosed herein are a multi-air conditioner and a group-unit control method thereof, wherein a plurality of indoor units can be controlled on a group basis. The method comprises the step of grouping the indoor units into a plurality of groups, the step of if an air conditioning operation condition of a specific one of the indoor units is changed, sending, by the specific indoor unit, the changed operation condition to all the other indoor units according to a predefined communication protocol, and the step of by each of the indoor units, receiving an air conditioning operation condition sent from a different one of the indoor units in the same group and performing an air conditioning operation based on the received operation condition. According to the invention, the plurality of indoor units can be more efficiently controlled on a group basis through inter-indoor unit data communication. Further, the group-unit control is not restricted by whether a controller is used or not.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: May 25, 2010
    Assignee: LG Electronics Inc.
    Inventors: Do Yong Ha, Ii Nahm Hwang, Si Kyong Sung, Young Min Park, Won Chul Kang
  • Patent number: 7716942
    Abstract: An air conditioner having a service valve assembly which comprises a connection body connected with a refrigerant pipe through which a refrigerant flows, and having a penetration passage through which the refrigerant flows; an opening/closing unit disposed in the connection body, and having a blocking hole for opening/closing the passage of the refrigerant flowing through the penetration passage; a plurality of ports disposed at the connection body, respectively, by a particular interval therebetween, connected with the penetration passage, and having an opened end portion, respectively; and a filter unit removably coupled to each end portion of the ports such that the refrigerant flowing through the penetration passage is bypassed to the ports to thus be filtered thereby, whereby it is possible to basically solve the problem in a blocking caused by moisture and foreign materials within a circulation system of the air conditioner, and to simplify the construction of the system by being provided with a filter
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: May 18, 2010
    Assignee: LG Electronics Inc.
    Inventors: Sung-Oh Choi, Si-Kyong Sung, Ki-Bum Kim, Jin-Ha Choi, Jae-Sik Kang
  • Patent number: 7587909
    Abstract: A multi type air conditioner comprises: an outdoor unit including an outdoor heat exchanger heat-exchanged with the outdoor air, a compressor compressing a refrigerant, and a first four-way valve and a second four-way valve switching a refrigerant flow path; indoor units performing at least one of cooling operation and heating operation; and a distributor including a low pressure pipe connected between the first four-way valve and each of the indoor units, a high pressure pipe connected between the second four-way valve and each of the indoor units, and a refrigerant pipe connected between the outer heat-exchanger and each of the indoor units. Accordingly, flow resistance of a refrigerant is reduced in heating operation, thereby improving heating performance and heating efficiency, and the amount of refrigerant accumulated within a high pressure pipe is minimized in cooling operation, thereby improving cooling performance and cooling efficiency.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: September 15, 2009
    Assignee: LG Electronics Inc.
    Inventors: Seok-Ho Yoon, Si-Kyong Sung, Do-Yong Ha, Jin-Ha Choi, Ho-Jong Jeong
  • Patent number: 7513125
    Abstract: A method for controlling a multi-unit air conditioner is disclosed which is capable of preventing frost from being formed on the outer surface of a refrigerant line. In order to control an air conditioner including an outdoor unit, a plurality of indoor units corresponding to the out door unit, and a plurality of refrigerant lines for connecting the indoor units to the outdoor unit, respectively, the method includes the steps of measuring respective states of the refrigerant lines using a measurement sensor, determining respective states of the refrigerant lines, based on measurement data obtained by the measurement sensor, and controlling an operation state of an operating one or operating ones of the indoor units, in accordance with the determined state of the refrigerant line associated with the operating indoor unit or each operating indoor unit.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: April 7, 2009
    Assignee: LG Electronics Inc.
    Inventors: Do Yong Ha, Jin Ha Choi, Si Kyong Sung, Jae Sik Kang, Young Min Park
  • Publication number: 20080131274
    Abstract: 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: Application
    Filed: August 19, 2004
    Publication date: June 5, 2008
    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, Tac Geun Kim
  • Publication number: 20080127671
    Abstract: 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: Application
    Filed: August 19, 2004
    Publication date: June 5, 2008
    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, Tac Geun Kim
  • Patent number: 7269965
    Abstract: The present invention discloses a built-in type outdoor unit for an air conditioner to provide an efficient installation structure for installing the outdoor unit increased in capacity due to high air conditioning capacity in a built-in type.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: September 18, 2007
    Assignee: LG Electronics Inc.
    Inventors: In-Gyu Kim, Young-Ju Bae, Jae-Hyung Koo, Byung-Il Park, Kycong-Ho Kim, Yang-Ho Kim, Young-Ho Hong, Kyeong-Wook Heo, Kang-Wook Cha, Si-Kyong Sung, Dong-Hyuk Lee, Seong-Min Kang, Tac-Goun Kim
  • Patent number: 7191616
    Abstract: The present invention discloses a front suction/discharge type outdoor unit for an air conditioner including: an outdoor unit casing being formed in a rectangular parallelepiped shape, having its one surface externally opened and its other surfaces closed, and being divided into a suction unit and a discharge unit; a compressor installed in the outdoor unit casing, for compressing a refrigerant gas supplied from an indoor unit through pipe lines; an air-cooled condenser positioned in the outdoor unit casing, for condensing the refrigerant gas from the compressor; and a sirocco cooling fan installed in the outdoor unit casing, for forming a diffuser opposite side part of a curvature unit of a housing as a plane unit, forming the fan housing to separate a diffuser opposite side member from a diffuser side member, supplying external air to the air-cooled condenser, and discharging heat exchanged air.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: March 20, 2007
    Assignee: LG Electronics Inc.
    Inventors: In-Gyu Kim, Young-Ju Bae, Ja-Hyung Koo, Byung-Il Park, Kyeong-Ho Kim, Yang-Ho Kim, Young-Ho Hong, Kyeong-Wook Heo, Kang-Wook Cha, Si-Kyong Sung, Dong-Hyuk Lee, Seong-Min Kang, Tae-Geun Kim
  • Patent number: 7174740
    Abstract: A built-in type compressor/condenser unit for an air conditioner with an efficient installation structure for installing an increased capacity outdoor unit is provided. The built-in type compressor/condenser unit includes a louver frame installed on a rectangular shaped space formed on an outer wall of a building. The louver frame is divided into a suction area and a discharge area, each with a plurality of louver blades. The compressor/condenser unit casing is positioned proximate the louver frame, with the surface of the casing which faces the suction area and the discharge area of the louver frame open, and the remaining surfaces of the casing closed. A compressor, an air-cooled condenser, and a cooling fan are installed in the compressor/condenser unit casing.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: February 13, 2007
    Assignee: LG Electronics. Inc.
    Inventors: Kang-Wook Cha, Si-Kyong Sung, Dong-Hyuk Lee, Seong-Min Kang, Tae-Geun Kim, In-Gyu Kim, Young-Ju Bae, Jae-Hyung Koo, Byung-Il Park, Kyeong-Ho Kim, Yang-Ho Kim, Young-Ho Hong, Kyeong-Wook Heo
  • Patent number: 7124601
    Abstract: A built-in type compressor/condenser unit for an air conditioner is provided which prevents re-suction of discharged air. The built-in type compressor/condenser unit includes a louver frame which is installed on an inner portion of an outer wall of a building, and which divided into a suction area and a discharge area each having a plurality of louver blades. A compressor/condenser casing is installed in contact with the louver frame, having its surface facing the suction area and the discharge area of the louver frame opened and the other surfaces closed. The compressor/condenser unit is divided into a suction unit and a discharge unit corresponding to the suction area and the discharge area of the louver frame. The louver frame includes an isolating means for isolating air between the suction area and the discharge area so as to prevent air discharged from the discharge unit thought the discharge area from being re-ingested into the suction unit through the suction area of the louver frame.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: October 24, 2006
    Assignee: LG Electronics, Inc.
    Inventors: In-Gyu Kim, Young-Ju Bae, Jae-Hyung Koo, Byung-Il Park, Kyeong-Ho Kim, Yang-Ho Kim, Young-Ho Hong, Kyeong-Wook Heo, Kang-Wook Cha, Si-Kyong Sung, Dong-Hyuk Lee, Seong-Min Kang, Tae-Geun Kim
  • Patent number: 7100388
    Abstract: The present invention relates to a front suction/discharge type outdoor unit for an air conditioner to provide an economical installation structure for efficiently installing a large capacity outdoor unit and provide services for easily transferring the outdoor unit, and examining, exchanging and repairing its components, by separating a suction casing and a discharge casing. The front suction/discharge type outdoor unit includes an outdoor unit suction casing having its one surface externally opened, and sucking external air for heat exchange, and an outdoor unit discharge casing being separated from or coupled to the outdoor unit suction casing, sucking external air through the outdoor unit suction casing, having its one surface externally opened, and discharging heat exchanged external air. Here, opened surfaces are respectively formed in the outdoor unit suction casing and the outdoor unit discharge casing to connect them to discharge the sucked external air.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: September 5, 2006
    Assignee: LG Electronics Inc.
    Inventors: In-Gyu Kim, Young-Ju Bae, Jae-Hyung Koo, Byung-Il Park, Kyeong-Ho Kim, Yang-Ho Kim, Young-Ho Hong, Kyeong-Wook Heo, Kang-Wook Cha, Si-Kyong Sung, Dong-Hyuk Lee, Seong-Min Kang, Tae-Geun Kim
  • Patent number: 7100395
    Abstract: The present invention discloses a built-in type outdoor unit for an air conditioner including: a louver frame being fixedly installed on a rectangular space inner wall formed on an outer wall of a building, being divided into a suction area and a discharge area, including a plurality of louver blades in each area, and sucking and discharging air through gaps between the louver blades; an outdoor unit casing being formed in a rectangular parallelepiped shape, being fixedly installed on the inside bottom of the building to contact with the louver frame, and having its one surface facing the suction area and the discharge area of the louver frame opened and the other surfaces closed; and means installed on at least one of the facing surfaces of the louver frame and the outdoor unit casing, for preventing external leakage of air between the louver frame and the outdoor unit casing.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: September 5, 2006
    Assignee: LG Electronics Inc.
    Inventors: In-Gyu Kim, Young-Ju Bae, Ja-Hyung Koo, Byung-Il Park, Kyeong-Ho Kim, Yang-Ho Kim, Young-Ho Hong, Kyeong-Wook Heo, Kang-Wook Cha, Si-Kyong Sung, Dong-Hyuk Lee, Seong-Min Kang, Tae-Geun Kim
  • Publication number: 20060179868
    Abstract: A multi type air conditioner comprises: an outdoor unit including an outdoor heat exchanger heat-exchanged with the outdoor air, a compressor compressing a refrigerant, and a first four-way valve and a second four-way valve switching a refrigerant flow path; indoor units performing at least one of cooling operation and heating operation; and a distributor including a low pressure pipe connected between the first four-way valve and each of the indoor units, a high pressure pipe connected between the second four-way valve and each of the indoor units, and a refrigerant pipe connected between the outer heat-exchanger and each of the indoor units. Accordingly, flow resistance of a refrigerant is reduced in heating operation, thereby improving heating performance and heating efficiency, and the amount of refrigerant accumulated within a high pressure pipe is minimized in cooling operation, thereby improving cooling performance and cooling efficiency.
    Type: Application
    Filed: February 15, 2006
    Publication date: August 17, 2006
    Applicant: LG ELECTRONICS INC.
    Inventors: Seok-Ho Yoon, Si-Kyong Sung, Do-Yong Ha, Jin-Ha Choi, Ho-Jong Jeong
  • Publication number: 20060179864
    Abstract: An air conditioner having a service valve assembly which comprises a connection body connected with a refrigerant pipe through which a refrigerant flows, and having a penetration passage through which the refrigerant flows; an opening/closing unit disposed in the connection body, and having a blocking hole for opening/closing the passage of the refrigerant flowing through the penetration passage; a plurality of ports disposed at the connection body, respectively, by a particular interval therebetween, connected with the penetration passage, and having an opened end portion, respectively; and a filter unit removably coupled to each end portion of the ports such that the refrigerant flowing through the penetration passage is bypassed to the ports to thus be filtered thereby, whereby it is possible to basically solve the problem in a blocking caused by moisture and foreign materials within a circulation system of the air conditioner, and to simplify the construction of the system by being provided with a filter
    Type: Application
    Filed: February 9, 2006
    Publication date: August 17, 2006
    Inventors: Sung-Oh Choi, Si-Kyong Sung, Ki-Bum Kim, Jin-Ha Choi, Jae-Sik Kang
  • Publication number: 20060112700
    Abstract: An apparatus for testing an air conditioner is disclosed. The apparatus includes a first wireless device connected to the air conditioner, and a second wireless device connected to a test terminal. The first wireless device transmits and receives test result information and test-related information based on a testing program installed in the test terminal in a local-area wireless communication manner, and the second wireless device transmits and receives the test-related information and test result information based on the testing program in the local-area wireless communication manner. Therefore, local-area wireless communication can be carried out between the air conditioner and the test terminal, thereby making it possible to significantly save trouble for installation of testing instruments, such as cables and a converter, and to significantly curtail costs and manpower for test work.
    Type: Application
    Filed: November 23, 2005
    Publication date: June 1, 2006
    Inventors: Sung-oh Choi, Ki-bum Kim, Si-kyong Sung, Do-yong Ha, Pil-hyun Yoon
  • Publication number: 20060116790
    Abstract: An apparatus for monitoring an air conditioner is disclosed. The apparatus includes a first wireless device connected to the air conditioner, and a second wireless device connected to a monitoring terminal. The first wireless device transmits and receives monitoring result information and monitoring-related information based on a monitoring program installed in the monitoring terminal in a local-area wireless communication manner, and the second wireless device transmits and receives the monitoring-related information and monitoring result information based on the monitoring program in the local-area wireless communication manner. Therefore, local-area wireless communication can be carried out between the air conditioner and the monitoring terminal, thereby making it possible to significantly save trouble for installation of monitoring instruments, such as cables and a converter, and to significantly curtail costs and manpower for monitoring work.
    Type: Application
    Filed: November 23, 2005
    Publication date: June 1, 2006
    Inventors: Baik-young Chung, Ki-bum Kim, Ho-jong Jeong, Si-kyong Sung, Jae-sik Kang