Patents by Inventor Jae-Won Chang

Jae-Won Chang 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).

  • DRUM-TYPE WASHING MACHINE AND BEARING HOUSING STRUCTURE THEREOF
    Publication number: 20120042496
    Abstract: A drum type washing machine is provided. The washing machine may include a tub, a drum, a motor rotating the drum, bearing housings housing bearings to support a rotation shaft, a suspension connected to the bearing housings and a cabinet to mitigate vibration, a bracket coupled to the bearing housings, and a gasket installed between the bracket and the tub. Such an arrangement may allow volumes of the tub and the drum may be increased without increasing the volume of the cabinet.
    Type: Application
    Filed: September 22, 2011
    Publication date: February 23, 2012
    Inventors: Jae Won Chang, Hee Tae Lim, Si Moon Jeon, Kyeong Hwan Kim, Hyun Seok Seo
  • LAUNDRY MACHINE
    Publication number: 20120042697
    Abstract: A laundry machine that treats laundry housed in a rotating drum is disclosed. The laundry machine includes a cabinet (110), a tub (120) provided in the cabinet (110) to store wash water, a drum (130) rotatably provided in the tub (120) to house laundry, an angle change device (170) to change a tilting angle of a rotation shaft (144) of the drum (130), and a controller to control an operation of the angle change device (170) and a rotating operation of the drum (130) in a plurality of rotation angle modes.
    Type: Application
    Filed: September 11, 2009
    Publication date: February 23, 2012
    Inventors: Sang Wook Hong, Jae Won Chang, Sun Young Park, Bon Kwon Koo, Ki Young Kang, Ji Hee Kim
  • WASHING MACHINE
    Publication number: 20120036902
    Abstract: A washing machine is disclosed, which includes a receiving part (2) to receive laundry, a supply path (4) to supply outside air of the receiving part (2) into the receiving part (2), a heating member (41) to heat the air introduced in the supply path (4), an exhaust path (5) through which the air in the receiving part (2) is exhausted to the outside, and a heat transfer part (6) to transfer heat of the air flowing through the exhaust path (5) to the air flowing in through the supply path (4).
    Type: Application
    Filed: September 11, 2009
    Publication date: February 16, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
  • WASHING MACHINE
    Publication number: 20120036900
    Abstract: A washing machine is disclosed which washes laundry using a mechanical force. The washing machine includes a display unit (60) formed at a door (40) to display information on washing, accordingly expanding the installation space for the display unit (60). In addition, when the display unit comprises a touch screen, not only input and display of the washing information but also visual inspection of laundry in a drum can be achieved by the display unit.
    Type: Application
    Filed: September 11, 2009
    Publication date: February 16, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Jae Won Chang, Ki Young Kang, Chang Kwon Park, Bon Kwon Koo
  • LAUNDRY MACHINE AND CONTROL METHOD THEREOF
    Publication number: 20120036650
    Abstract: The laundry machine includes a cabinet (110), a tub (120) in the cabinet for holding washing water, a drum (130) rotatably mounted in the tub (120), a heater (115) in the tub for heating the washing water, and a control unit for controlling the heater and the drum, wherein the control unit controls heater to operate selectively in a spinning course for drying washing objects.
    Type: Application
    Filed: September 11, 2009
    Publication date: February 16, 2012
    Inventors: Sang Wook Hong, Jae Won Chang, Sun Young Park, Bou Kwon Koo, Ki Young Kang, Ji Hee Kang
  • Method for transmitting/receiving signal having spread training symbol in mobile communication system
    Patent number: 8116392
    Abstract: A method for transmitting/receiving signals in a mobile communication system, a pilot configuration of a mobile communication system capable of transmitting much more data using a conventional pilot signal, a channel estimation method, and a receiving method are disclosed. A method for transmitting a signal equipped with a training symbol in a mobile communication system which includes a transmission end capable of transmitting an output signal equipped with a training symbol for channel estimation of a reception end, includes the steps of: a) adding training symbols having the same amplitude to data symbols transmitted via subcarriers, and calculating the output signal transmitted via the subcarriers; and b) transmitting the calculated output signal via the subcarriers.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: February 14, 2012
    Assignee: LG Electronics Inc.
    Inventors: Bin Chul Ihm, Moon Il Lee, Jin Young Chun, Wook Bong Lee, Jae Won Chang, Jin Hyuk Jung
  • Method for transmitting channel quality information
    Patent number: 8111764
    Abstract: There is provided a method for transmitting channel quality information in a wireless communication system. Over-all band of the wireless communication system is divided by a plurality of sub-bands. The method includes selecting a first sub-band having the highest CQI among the plurality of sub-bands, transmitting CQI of the first sub-band and transmitting CQI of a second sub-band, the second sub-band having the CQI lower than the first sub-band, wherein the number of CQI levels of the second sub-band is less than that of CQI levels of the first sub-band. Overheads incurred by CQI feedback can be reduced.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: February 7, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Young Chun, Bin Chul Ihm, Jae Won Chang
  • DRUM-TYPE WASHING MACHINE
    Publication number: 20120017651
    Abstract: A drum type washing machine is provided. The drum type washing machine may include a cabinet, a tub fixed to an inner side of the cabinet, a drum rotatably arranged in the tub, and a driving motor positioned at a rear side of the drum for generating a driving force that rotates the drum. The washing machine may also include a supporting plate to rotatably support a rotational shaft extending between the motor and the drum, and a plurality of supporters connected between the supporting plate and the cabinet. Such an arrangement may increase washing capacity by increasing a diameter of the drum without increasing an external size of the cabinet.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 26, 2012
    Inventor: Jae-Won CHANG
  • Laundry Treating Apparatus and Control Method of the Same
    Publication number: 20120017381
    Abstract: A laundry treating apparatus and a control method thereof are disclosed. A laundry treating apparatus includes a casing (10), a tub (15) provided in the casing (10), rotatable drum (20) provided in the tub (15), a water supply part (40, 45) provided in the casing (10) to supply water to the rotatable drum (20) and a solvent supply part (70, 71, 72, 73) supplying dry-cleaning solvent to the rotatable drum (10).
    Type: Application
    Filed: September 11, 2009
    Publication date: January 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Wook Hong, Jae Won Chang, Sun Young Park, Bon Kwon Koo, Ki Young Kang, Ji Hee Kim
  • WASHING MACHINE
    Publication number: 20120019114
    Abstract: A washing machine is disclosed. A washing machine includes a cabinet defining an exterior appearance thereof and a detergent storage box detachably installed to the cabinet, the detergent box having transparent appearance for a user to identify the amount of detergent introduced into the washing machine.
    Type: Application
    Filed: September 11, 2009
    Publication date: January 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
  • DRUM TYPE WASHING MACHINE
    Publication number: 20120011892
    Abstract: A drum type washing machine has a cabinet forming an outer appearance of the washing machine, a tub fixed inside the cabinet for storing the washing water, a drum disposed in the tub and having both side surfaces supported by the cabinet to be rotatable and an inlet through which laundries come in/go out on a circumferential surface thereof, and a driving motor fixed on one side surface of the drum to rotate the drum. Washing capacity can be increased while maintaining the entire size of the washing machine by increasing a diameter of the drum without increasing the size of the cabinet, and the entire size of the washing machine can be compacted by minimizing the installation space of the driving motor.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Inventor: Jae Won CHANG
  • DRUM TYPE WASHING MACHINE
    Publication number: 20120011898
    Abstract: A drum type washing machine has a cabinet forming an outer appearance of the washing machine, a tub fixed inside the cabinet for storing the washing water, a drum disposed in the tub and having both side surfaces supported by the cabinet to be rotatable and an inlet through which laundries come in/go out on a circumferential surface thereof, and a driving motor fixed on one side surface of the drum to rotate the drum. Washing capacity can be increased while maintaining the entire size of the washing machine by increasing a diameter of the drum without increasing the size of the cabinet, and the entire size of the washing machine can be compacted by minimizing the installation space of the driving motor.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Inventor: Jae Won CHANG
  • LAUNDRY MACHINE AND CONTROL METHOD THEREOF
    Publication number: 20120012135
    Abstract: Disclosed are a laundry machine, which allows a user to easily change an operating time so as to enable convenient use, and a control method of the laundry machine. The control method includes receiving an operation, which is to be performed for treating laundry, input by a user, receiving a time, which is required to complete the operation from a start time or re-start time of the operation, input by the user, and performing the operation according to the input time.
    Type: Application
    Filed: September 11, 2009
    Publication date: January 19, 2012
    Inventors: Sang Wook Hong, Jae Won Chang, Sun Young Park, Bon Kwon Koo, Ki Young Kang, Ji Hee Kim
  • DRUM TYPE WASHING MACHINE
    Publication number: 20120011897
    Abstract: A drum type washing machine has a cabinet forming an outer appearance of the washing machine, a tub fixed inside the cabinet for storing the washing water, a drum disposed in the tub and having both side surfaces supported by the cabinet to be rotatable and an inlet through which laundries come in/go out on a circumferential surface thereof, and a driving motor fixed on one side surface of the drum to rotate the drum. Washing capacity can be increased while maintaining the entire size of the washing machine by increasing a diameter of the drum without increasing the size of the cabinet, and the entire size of the washing machine can be compacted by minimizing the installation space of the driving motor.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Inventor: Jae Won CHANG
  • DRYER
    Publication number: 20120011735
    Abstract: The present invention relates to a dryer (100), including a cabinet (110) which forms an exterior of the dryer (100), a drum (120, 120a, 120b, 120c) rotatably mounted in the cabinet (110), the drum (120, 120a, 120b, 120c) having a plurality of lifters (127, 127a, 127b, 127c), and a partition unit (200, 200a, 200b, 200c) slidably movable along the lifters (127, 127a, 127b, 127c) in a direction of a rotation axis of the drum (120, 120a, 120b, 120c) for partitioning a drying space of the drum (120, 120a, 120b, 120c), thereby permitting to use a space in the drum (120, 120a, 120b, 120c) of the dryer (100) effectively according to an amount of clothes.
    Type: Application
    Filed: September 11, 2009
    Publication date: January 19, 2012
    Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
  • DRUM TYPE WASHING MACHINE
    Publication number: 20120011891
    Abstract: A drum type washing machine has a cabinet forming an outer appearance of the washing machine, a tub fixed inside the cabinet for storing the washing water, a drum disposed in the tub and having both side surfaces supported by the cabinet to be rotatable and an inlet through which laundries come in/go out on a circumferential surface thereof, and a driving motor fixed on one side surface of the drum to rotate the drum. Washing capacity can be increased while maintaining the entire size of the washing machine by increasing a diameter of the drum without increasing the size of the cabinet, and the entire size of the washing machine can be compacted by minimizing the installation space of the driving motor.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Inventor: Jae Won CHANG
  • DRUM-TYPE WASHING MACHINE
    Publication number: 20120011895
    Abstract: A drum type washing machine is provided. The drum type washing machine may include a cabinet, a tub fixed to an inner side of the cabinet, a drum rotatably arranged in the tub, and a driving motor positioned at a rear side of the drum for generating a driving force that rotates the drum. The washing machine may also include a supporting plate to rotatably support a rotational shaft extending between the motor and the drum, and a plurality of supporters connected between the supporting plate and the cabinet. Such an arrangement may increase washing capacity by increasing a diameter of the drum without increasing an external size of the cabinet.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 19, 2012
    Inventor: Jae-Won CHANG
  • DRUM-TYPE WASHING MACHINE
    Publication number: 20120011894
    Abstract: A drum type washing machine is provided. The drum type washing machine may include a cabinet, a tub fixed to an inner side of the cabinet, a drum rotatably arranged in the tub, and a driving motor positioned at a rear side of the drum for generating a driving force that rotates the drum. The washing machine may also include a supporting plate to rotatably support a rotational shaft extending between the motor and the drum, and a plurality of supporters connected between the supporting plate and the cabinet. Such an arrangement may increase washing capacity by increasing a diameter of the drum without increasing an external size of the cabinet.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 19, 2012
    Inventor: Jae-Won CHANG
  • DRUM TYPE WASHING MACHINE
    Publication number: 20120011896
    Abstract: A drum type washing machine is provided. The drum type washing machine may include a cabinet, a tub fixed to an inner side of the cabinet, a drum rotatably arranged in the tub, and a driving motor positioned at a rear side of the drum for generating a driving force that rotates the drum. The washing machine may also include a supporting plate to rotatably support a rotational shaft extending between the motor and the drum, and a plurality of supporters connected between the supporting plate and the cabinet. Such an arrangement may increase washing capacity by increasing a diameter of the drum without increasing an external size of the cabinet.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 19, 2012
    Inventor: Jae-Won CHANG
  • DRUM-TYPE WASHING MACHINE
    Publication number: 20120006075
    Abstract: A drum-type washing machine is disclosed, in which bearings are received in the bearing housing assembly. The bearing housing assembly may include a support portion coupled to a motor, and a coupling portion connected to a damper bracket.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Inventors: Hee Tae LIM, Jae Won Chang, Hyun Seok Seo, Min Gyu Jo