Patents by Inventor Yo Chul Ha

Yo Chul Ha 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: 11578445
    Abstract: Provided are a washing machine in which an auxiliary door can be safely and conveniently used and a method of controlling the same. The auxiliary door through which laundry can be additionally put into the washing machine, and the auxiliary door can be safely locked/unlocked. Because an open/closed state of the auxiliary door can be indirectly determined through a locking/unlocking operation of the auxiliary door, even when a door opening/closing detecting device has broken down, the auxiliary door can be safely used. The auxiliary door is unlocked by default and conditions on which the auxiliary door is locked for safety if necessary, are minimized during an operation of the washing machine so that use convenience of the auxiliary door can be enhanced, and a locked state of the auxiliary door is maintained according to the amount of laundry so that the laundry can be safely put into the washing machine.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: February 14, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Poong Lee, Seung Hun Choi, Yo Chul Ha, Chang Joo Chai
  • Publication number: 20200378053
    Abstract: Provided are a washing machine in which an auxiliary door can be safely and conveniently used and a method of controlling the same. The auxiliary door through which laundry can be additionally put into the washing machine, and the auxiliary door can be safely locked/unlocked. Because an open/closed state of the auxiliary door can be indirectly determined through a locking/unlocking operation of the auxiliary door, even when a door opening/closing detecting device has broken down, the auxiliary door can be safely used. The auxiliary door is unlocked by default and conditions on which the auxiliary door is locked for safety if necessary, are minimized during an operation of the washing machine so that use convenience of the auxiliary door can be enhanced, and a locked state of the auxiliary door is maintained according to the amount of laundry so that the laundry can be safely put into the washing machine.
    Type: Application
    Filed: August 17, 2020
    Publication date: December 3, 2020
    Inventors: Jae Poong Lee, Seung Hun Choi, Yo Chul Ha, Chang Joo Chai
  • Patent number: 10745851
    Abstract: Provided are a washing machine in which an auxiliary door can be safely and conveniently used, and a method of controlling the same. The auxiliary door through which laundry can be additionally put into the washing machine, is provided, and the auxiliary door can be safely locked/unlocked. Because an open/closed state of the auxiliary door can be indirectly determined through a locking/unlocking operation of the auxiliary door, even when a door opening/closing detecting device has broken down, the auxiliary door can be safely used. In addition, the auxiliary door is unlocked by default and conditions on which the auxiliary door is locked for safety if necessary, are minimized during an operation of the washing machine so that use convenience of the auxiliary door can be enhanced, and a locked state of the auxiliary door is maintained according to the amount of laundry so that the laundry can be safely put into the washing machine.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: August 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Poong Lee, Seung Hun Choi, Yo Chul Ha, Chang Joo Chai
  • Publication number: 20180171533
    Abstract: Provided are a washing machine in which an auxiliary door can be safely and conveniently used, and a method of controlling the same. The auxiliary door through which laundry can be additionally put into the washing machine, is provided, and the auxiliary door can be safely locked/unlocked. Because an open/closed state of the auxiliary door can be indirectly determined through a locking/unlocking operation of the auxiliary door, even when a door opening/closing detecting device has broken down, the auxiliary door can be safely used. In addition, the auxiliary door is unlocked by default and conditions on which the auxiliary door is locked for safety if necessary, are minimized during an operation of the washing machine so that use convenience of the auxiliary door can be enhanced, and a locked state of the auxiliary door is maintained according to the amount of laundry so that the laundry can be safely put into the washing machine.
    Type: Application
    Filed: August 10, 2016
    Publication date: June 21, 2018
    Inventors: Jae Poong LEE, Seung Hun CHOI, Yo Chul HA, Chang Joo CHAI
  • Patent number: 8105047
    Abstract: A home appliance equipped with a drain function and a method of controlling the same are disclosed. A method of controlling a home appliance equipped with a drain apparatus includes switching ON/OFF the drain apparatus during a first time, switching on the drain apparatus during a second time after switching ON/OFF the drain apparatus, checking a variation of the water level according to a draining status, and controlling the drain apparatus based on the checked water-level variation result corresponding to the draining status.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: January 31, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yo Chul Ha
  • Patent number: 7716769
    Abstract: A washing machine and suds removal method thereof. The suds removal method is designed to effectively remove suds at the earliest possible time using a small amount of water by adjusting an activity of suds when the generation of suds is sensed. The suds removal method includes sensing the generation of suds during a washing cycle, and removing the suds by adjusting the activity of suds when the generation of suds is sensed.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: May 18, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo Chul Ha, Chang Joo Chai, Hyeon Seok O
  • Patent number: 7543346
    Abstract: A drum washing machine and a method of controlling the same. The locked state of a door is released for a predetermined period of time without interrupting water supply or water drainage for a user to open the door, during supplying or draining of water, when a washing or dewatering operation of the drum washing machine is initiated or when the washing or dewatering operation of the drum washing machine is resumed after the washing or dewatering operation of the drum washing machine is interrupted. Consequently, additional laundry may be safely and conveniently put into a rotary tub or the laundry or foreign matter may be removed from the rotary tub with improved washing and dewatering efficiency.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: June 9, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung Hoon Roh, Seung Moo Lim, Chang Joo Chai, Yo Chul Ha
  • Publication number: 20080163930
    Abstract: A home appliance equipped with a drain function and a method of controlling the same are disclosed. The method of controlling a home appliance equipped with a drain apparatus includes switching ON/OFF the drain apparatus during a first time, switching on the drain apparatus during a second time after switching ON/OFF the drain apparatus, checking a variation of the water level according to a draining status, and controlling the drain apparatus based on the checked water-level variation result corresponding to the draining status.
    Type: Application
    Filed: December 11, 2007
    Publication date: July 10, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Yo Chul Ha