Patents by Inventor Sang Hwa CHOI

Sang Hwa 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).

  • Publication number: 20160163315
    Abstract: Embodiments disclosed herein provide a wireless controller which shows a voice, motion, or an image complying with or not complying with a user's command and controls an external device in accordance with the user's command. According to an embodiment, a wireless controller includes a main body provided in a shape of a flowerpot, and includes a voice recognition unit, a control unit generating a signal for controlling an object to be controlled, which is designated by a voice recognized in the voice recognition unit, in accordance with the voice, and a communication unit outputting the control signal generated in the control unit to the object to be controlled; and an indicator provided at the main body in a shape of at least one of a stem, a leaf, a flower, and a tree, and showing a motion corresponding to the voice recognized in the voice recognition unit.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 9, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hwa CHOI, Bo Kyung KIM, Ji Ho SEO, Chang Wook LEE
  • Publication number: 20160088755
    Abstract: Modules with various functions may be mounted on a robot cleaner, such that the robot cleaner can perform various additional functions other than cleaning while moving. The robot cleaner cleans a floor surface while moving on the floor surface. At the robot cleaner, a module mounting unit on which at least one module capable of performing a function other than cleaning is able to be mounted is disposed.
    Type: Application
    Filed: September 24, 2015
    Publication date: March 24, 2016
    Inventors: Chang Wook LEE, Sang Hak KIM, Bo Kyung KIM, Ji Ho SEO, Sang Hwa CHOI
  • Publication number: 20150245754
    Abstract: An autonomous cleaner includes a body having a first housing formed at a front and a second housing formed at a rear of the first housing; a brush unit installed at the first housing and configured to sweep and collect dust from a floor; a dust collecting unit installed at the second housing and configured to store the dust inlet into the brush unit; a driving unit to drive the body and coupled to the second housing to be positioned at a lateral side of the dust collecting unit; and a power unit installed at the second housing and coupled to be positioned at a rear of the dust collecting unit. The miniaturization of the autonomous cleaner may be provided while at the same time the capacity of a dust collecting container and the capacity of a battery are increased.
    Type: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hwi-Chan JANG, Tae Soo Kim, Hyun Soo Jung, Sang Hwa Choi, Sang Sik Yoon, Shin Kim, Jin Hee Kim, Yeon Kyu Jeong
  • Publication number: 20140366292
    Abstract: A robot cleaner and a control method thereof may judge whether or not water is received in the robot cleaner performing wet cleaning. The robot cleaner includes a main body, moving units, a cleaning unit mounted on the main body and contacting a floor surface to perform cleaning, a water supply unit supplying water to the cleaning unit, and a sensing unit provided on at least a portion of the water supply unit to sense whether or not there is water within the water supply unit. The sensing unit includes a housing, a transmission part radiating electromagnetic waves, a reception part receiving the electromagnetic waves radiated by the transmission part, and a stepped part provided on at least a portion of the housing along a moving path of the electromagnetic waves radiated by the transmission part and received by the reception part.
    Type: Application
    Filed: June 16, 2014
    Publication date: December 18, 2014
    Inventors: Jae Young JUNG, Byoung ln LEE, Sang Hwa CHOI, Dong Won KIM, Sang Sik YOON, Sahng Jin LEE
  • Patent number: 8869342
    Abstract: A robot cleaner that automatically removes dust accumulated on a floor while navigating a cleaning area, and a method of controlling the robot cleaner, includes a main body that navigates a floor; a first detector that detects an obstacle getting closer to the main body; an auxiliary cleaner that is mounted on the main body to protrude and retract; a second detector that detects a protrusion state or a retraction state of the auxiliary cleaner; and a controller that determines an abnormal operation of the auxiliary cleaner based on a result of the detection of the second detector and controls a protrusion operation or a retraction operation of the auxiliary cleaner according to a result of the determination.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: October 28, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Sik Yoon, Hee Won Jin, Byung Chan Kim, Yeon Kyu Jeong, Sang Hwa Choi
  • Publication number: 20140131123
    Abstract: Provided is an autonomous cleaning device that is capable of embodying various travelling motions, improving an obstacle avoidance capability, and stably travelling, the autonomous cleaning device including: a case in which an accommodation part and a hole are formed; and a wheel assembly accommodated in the accommodation part, wherein the wheel assembly includes: one wheel, of which part is exposed to an outside through the hole; a first motor that drives and travels the wheel; and a second motor that rotates the wheel so as to change a travelling direction.
    Type: Application
    Filed: September 23, 2013
    Publication date: May 15, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hwi Chan Jang, Won Min Lee, Sang Hwa Choi, Du Hwan Hyun
  • Publication number: 20130263889
    Abstract: A robot cleaner that automatically removes dust accumulated on a floor while navigating a cleaning area, and a method of controlling the robot cleaner, includes a main body that navigates a floor; a first detector that detects an obstacle getting closer to the main body; an auxiliary cleaner that is mounted on the main body to protrude and retract; a second detector that detects a protrusion state or a retraction state of the auxiliary cleaner; and a controller that determines an abnormal operation of the auxiliary cleaner based on a result of the detection of the second detector and controls a protrusion operation or a retraction operation of the auxiliary cleaner according to a result of the determination.
    Type: Application
    Filed: April 5, 2013
    Publication date: October 10, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Sik YOON, Hee Won JIN, Byung Chan KIM, Yeon Kyu JEONG, Sang Hwa CHOI