Patents by Inventor Jun Hwa Lee
Jun Hwa Lee 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).
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Publication number: 20160249780Abstract: A robot cleaner includes a body to travel on a floor; an obstacle sensing unit to sense an obstacle approaching the body; an auxiliary cleaning unit mounted to a bottom of the body, to be extendable and retractable; and a control unit to control extension or retraction of the auxiliary cleaning unit when the obstacle is sensed. The control unit prevents the auxiliary cleaning unit from extending if a signal is received from a charger.Type: ApplicationFiled: May 10, 2016Publication date: September 1, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Sik YOON, Byung Chan KIM, Jun Hwa LEE, Jae Young JUNG, Hee Won JIN
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Patent number: 9402524Abstract: A robot cleaning device includes a debris detecting unit. The robot cleaning device includes a body, a driving unit to enable the body to travel, a drum brush unit provided at the body, to sweep up debris, using a brush and a rotating drum, a debris box to store the debris swept up by the drum brush unit, a debris detecting unit to detect whether debris has been introduced into the debris box through the drum brush unit during a cleaning operation, and a controller to determine whether debris is introduced into the debris box and whether debris has been accumulated in the debris box in a predetermined amount, based on introduction or non-introduction of debris detected by the debris detecting unit.Type: GrantFiled: February 24, 2012Date of Patent: August 2, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Sik Yoon, Kang Nam Kim, Jun Hwa Lee, Hwi Chan Jang
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Patent number: 9335767Abstract: A robot cleaner having an improved structure which executes a cleaning operation without stoppage of travelling of the robot cleaner due to obstacles present in a space to be cleaned, and a control method thereof. The control method of the robot cleaner which is provided with a main body, driving wheels driving the main body, and driving wheel assemblies, each of which includes each driving wheel, includes detecting displacement of each driving wheel with respect to a reference position by sensing a sensed body provided on each driving wheel assembly, judging whether or not the displacement is within a predetermined reference range, and changing a travelling path of the main body, upon judging that the displacement deviates from the reference range.Type: GrantFiled: August 21, 2012Date of Patent: May 10, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwi Chan Jang, Dong Won Kim, Hyun Soo Jung, Seung Il Han, Jun Hwa Lee
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Patent number: 9259129Abstract: An autonomous cleaner has an enhanced structure capable of conducting an efficient cleaning task according to the material quality or the condition of the floor surface of a cleaning space. The autonomous cleaner includes a body, a driving wheel to drive the body, a driving wheel assembly having the driving wheel, and a control unit. The control unit detects a displacement of the driving wheel corresponding to a reference position by sensing a sensor target, determines material quality or condition of a floor surface according to the displacement of the driving wheel, and controls the driving of the autonomous cleaner according to the determined material quality or the condition of the floor surface.Type: GrantFiled: July 25, 2012Date of Patent: February 16, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwi Chan Jang, Dong Won Kim, Hyun Soo Jung, Seung Il Han, Jun Hwa Lee
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Publication number: 20160029865Abstract: A robot cleaner includes a body; a driving unit; at least one sensor configured to detect an obstacle; a cleaning unit, the cleaning unit including a brush unit and a fan unit; a dust box to store dust inside of the dust box, the dust box being detachably mounted to the body; and a dust sensing unit including a light emitting unit to transmit light and a light receiving sensor to sense the light transmitted by the light emitting unit, the light emitting unit and the light receiving sensor being fixed on the body and outside of the dust box, and the light emitting unit being configured to transmit light through the inside of the dust box. The driving unit, the at least one sensor, the cleaning unit, the dust box, and the dust sensing unit are positioned on or in the body of the robot cleaner.Type: ApplicationFiled: October 16, 2015Publication date: February 4, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Soo JUNG, Dong Won KIM, Jun Hwa LEE
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Publication number: 20160022108Abstract: Disclosed are a robot cleaner and a method for controlling the same, capable of controlling a travelling or cleaning pattern of a robot cleaner in accordance with extension and retraction operations of an auxiliary cleaning tool to perform an efficient cleaning operation. The robot cleaner includes a plurality of auxiliary cleaning units mounted to a bottom of the robot cleaner such that the auxiliary cleaning units are extendable and retractable, and a control unit to extend the auxiliary cleaning units while travelling in a wall tracing manner along the periphery of the cleaning region and/or when an obstacle is sensed, and to retract the auxiliary cleaning units while the robot cleaner travels in an inner portion of the cleaning region when traveling of the periphery of the cleaning region is finished.Type: ApplicationFiled: October 2, 2015Publication date: January 28, 2016Applicant: Samsung Electronics Co., Ltd.Inventors: Sang Sik YOON, Woo Ram CHUNG, Kyu Sun HAN, Jun Pyo HONG, Jun Hwa LEE
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Patent number: 9220385Abstract: A blade assembly of an autonomous cleaning device. The blade assembly includes a blade having a first part fixed to the main body and a second part extended from the first part toward a floor and a support member having at least a portion disposed adjacent to the second part of the blade to restrict movement of the second part of the blade to within a predetermined range.Type: GrantFiled: October 24, 2011Date of Patent: December 29, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Soo Jung, Seung Il Han, Dong Won Kim, Bo Sang Kim, Jun Hwa Lee
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Publication number: 20150367512Abstract: A robot cleaner which does not stop to change a traveling direction thereof, and a control method thereof includes setting a territory about which cleaning will be performed based on position data acquired during traveling about a cleaning area, predetermining a cleaning path to clean the territory about which cleaning will be performed, and if the cleaning path includes a zigzag traveling path, changing the traveling direction of the robot cleaner by executing curved traveling of the robot cleaner during traveling along the zigzag traveling path, thus decreasing the time required to clean an area during a change of the traveling direction of the robot cleaner.Type: ApplicationFiled: August 28, 2015Publication date: December 24, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Jun Pyo HONG, Dong Min Shin, Jun Hwa Lee, Dong Hun Lee, Won Kuk Kim, Woo Ram Chung, Kyu Sun Han, Suk Hoon Song
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Patent number: 9186030Abstract: A robot cleaner includes a body; a dust box to store dust; and a dust sensing unit to detect dust stored in the dust box, the dust sensing unit including a light emitting unit to transmit a signal to an interior of the dust box and a light receiving sensor to sense the signal transmitted by the light emitting unit. The light emitting unit and the light receiving sensor are positioned between the dust box and the body, and face each other at the same height.Type: GrantFiled: July 15, 2011Date of Patent: November 17, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Soo Jung, Dong Won Kim, Jun Hwa Lee, Jun Pyo Hong, Sang Sik Yoon
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Patent number: 9173539Abstract: Disclosed are a robot cleaner and a method for controlling the same, capable of controlling a travelling or cleaning pattern of a robot cleaner in accordance with extension and retraction operations of an auxiliary cleaning tool to perform an efficient cleaning operation. The robot cleaner includes a plurality of auxiliary cleaning units mounted to a bottom of the robot cleaner such that the auxiliary cleaning units are extendable and retractable, an obstacle sensor to sense an obstacle in a cleaning region of the robot cleaner, and a control unit to extend the auxiliary cleaning units while travelling in a wall tracing manner along the periphery of the cleaning region, and to retract the auxiliary cleaning units while the robot cleaner travels in an inner portion of the cleaning region when traveling of the periphery of the cleaning region is finished.Type: GrantFiled: October 16, 2012Date of Patent: November 3, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Sik Yoon, Woo Ram Chung, Kyu Sun Han, Jun Pyo Hong, Jun Hwa Lee
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Patent number: 9149167Abstract: A robot cleaner which does not stop to change a traveling direction thereof, and a control method thereof includes setting a territory about which cleaning will be performed based on position data acquired during traveling about a cleaning area, predetermining a cleaning path to clean the territory about which cleaning will be performed, and if the cleaning path includes a zigzag traveling path, changing the traveling direction of the robot cleaner by executing curved traveling of the robot cleaner during traveling along the zigzag traveling path, thus decreasing the time required to clean an area during a change of the traveling direction of the robot cleaner.Type: GrantFiled: February 24, 2012Date of Patent: October 6, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Pyo Hong, Dong Min Shin, Jun Hwa Lee, Dong Hun Lee, Won Kuk Kim, Woo Ram Chung, Kyu Sun Han, Suk Hoon Song
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Publication number: 20150265122Abstract: The robot cleaner includes a main body configured to remove dust from a floor while traveling on the floor, the main body having a lateral rim defining the external appearance of a lateral surface of the robot cleaner, and at least one side brush assembly mounted to the main body to clean the corner of the floor. The side brush assembly includes a side arm pivotably coupled to the main body, the side arm moving between a first position where the side arm is inserted into the main body and a second position where the side arm protrudes outward from the lateral rim of the main body, a brush unit provided at the side arm to sweep the floor, and a rim cover coupled to the side arm to form a part of the lateral rim of the main body when the side arm is inserted into the main body.Type: ApplicationFiled: June 5, 2015Publication date: September 24, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung IL HAN, Dong Won KIM, Sang Sik YOON, Jun Hwa LEE, Hwi Chan JANG
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Patent number: 9141110Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.Type: GrantFiled: June 7, 2011Date of Patent: September 22, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-Hwan Yoo, Jae Man Joo, Dong Won Kim, Jun Hwa Lee, Jun Pyo Hong, Woo Ram Chung, Jae Young Jung, Hwi Chan Jang, Jang Youn Ko, Jeong Gon Song, Sam Jong Jeung
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Patent number: 9134733Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.Type: GrantFiled: June 7, 2011Date of Patent: September 15, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung Hwan Yoo, Jae Man Joo, Dong Won Kim, Jun Hwa Lee, Jun Pyo Hong, Woo Ram Chung, Jae Young Jung, Hwi Chan Jang, Jang Youn Ko, Jeong Gon Song, Sam Jong Jeung
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Publication number: 20150250371Abstract: A robot cleaner provided with a shutter to open or close an inlet of a dust box when the dust box is separated from a body of the robot cleaner. Another robot cleaner, which docks with an automatic exhaust station, is also disclosed, together with the automatic exhaust station. The latter robot cleaner includes a shutter to be automatically opened by air discharged from the automatic exhaust station in a docked state of the robot cleaner to exhaust dust from the dust box, in order to allow even heavy dust to be easily exhausted.Type: ApplicationFiled: May 20, 2015Publication date: September 10, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwi Chan JANG, Dong Won KIM, Hyun Soo JUNG, Jun Hwa LEE
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Publication number: 20150224645Abstract: Disclosed herein are a robot cleaner having an improved travel pattern and a control method thereof. The robot cleaner performs cleaning using zigzag travel as a basic cleaning traveling manner, and then performs cleaning using random travel as a finishing cleaning traveling manner so as to clean areas skipped during the zigzag travel. The robot cleaner performs the zigzag travel while maintaining a designated interval with a travel route proceeding to a wall regardless of a direction proceeding to the wall, and employs an improved zigzag travel method to maintain a zigzag travel pattern, if the robot cleaner senses an obstacle during the zigzag travel.Type: ApplicationFiled: April 21, 2015Publication date: August 13, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo Ram Chung, Jae Man Joo, Dong Won Kim, Jun Hwa Lee, Jun Pyo Hong, Jae Young Jung, Kyung Hwan Yoo, Hwi Chan Jang
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Patent number: 9078552Abstract: The robot cleaner includes a main body configured to remove dust from a floor while traveling on the floor, the main body having a lateral rim defining the external appearance of a lateral surface of the robot cleaner, and at least one side brush assembly mounted to the main body to clean the corner of the floor. The side brush assembly includes a side arm pivotably coupled to the main body, the side arm moving between a first position where the side arm is inserted into the main body and a second position where the side arm protrudes outward from the lateral rim of the main body, a brush unit provided at the side arm to sweep the floor, and a rim cover coupled to the side arm to form a part of the lateral rim of the main body when the side arm is inserted into the main body.Type: GrantFiled: September 27, 2012Date of Patent: July 14, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Il Han, Dong Won Kim, Sang Sik Yoon, Jun Hwa Lee, Hwi Chan Jang
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Patent number: 9060666Abstract: A robot cleaner provided with a shutter to open or close an inlet of a dust box when the dust box is separated from a body of the robot cleaner. Another robot cleaner, which docks with an automatic exhaust station, is also disclosed, together with the automatic exhaust station. The latter robot cleaner includes a shutter to be automatically opened by air discharged from the automatic exhaust station in a docked state of the robot cleaner to exhaust dust from the dust box, in order to allow even heavy dust to be easily exhausted.Type: GrantFiled: October 14, 2011Date of Patent: June 23, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwi Chan Jang, Dong Won Kim, Hyun Soo Jung, Jun Hwa Lee
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Patent number: 9037294Abstract: Disclosed herein are a robot cleaner having an improved travel pattern and a control method thereof. The robot cleaner performs cleaning using zigzag travel as a basic cleaning traveling manner, and then performs cleaning using random travel as a finishing cleaning traveling manner so as to clean areas skipped during the zigzag travel. The robot cleaner performs the zigzag travel while maintaining a designated interval with a travel route proceeding to a wall regardless of a direction proceeding to the wall, and employs an improved zigzag travel method to maintain a zigzag travel pattern, if the robot cleaner senses an obstacle during the zigzag travel.Type: GrantFiled: June 10, 2010Date of Patent: May 19, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo Ram Chung, Jae Man Joo, Dong Won Kim, Jun Hwa Lee, Jun Pyo Hong, Jae Young Jung, Kyung Hwan Yoo, Hwi Chan Jang
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Patent number: 9027199Abstract: In a cleaning system, dust stored in a dust box is suspended in air introduced into the dust box through a first opening formed through a robot cleaner, and is then discharged to a second opening formed through a maintenance station through the first opening of the robot cleaner.Type: GrantFiled: July 15, 2011Date of Patent: May 12, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun Soo Jung, Dong Won Kim, Jun Hwa Lee, Jun Pyo Hong, Sang Sik Yoon