Patents by Inventor Sung Hwan Ahn
Sung Hwan Ahn 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: 11825376Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.Type: GrantFiled: September 7, 2021Date of Patent: November 21, 2023Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Sung Hwan Ahn, Byeong Cheol Moon, Suk Hoon Jung, Dong Soo Han, Kyung Shik Roh, Suk June Yoon
-
Patent number: 11676820Abstract: A method for fabricating a semiconductor device includes: preparing a substrate; forming an isolation layer defining an active region in the substrate; forming a first insulation structure over the substrate, the first insulation structure defining a line-type opening that exposes the isolation layer and the active region; forming a plug pad through a Selective Epitaxial Growth (SEG) process over the exposed active regions; forming a second insulation structure inside the line-type opening, the second insulation structure defining a contact hole landing on the plug pad; and filling the contact hole with a contact plug.Type: GrantFiled: September 4, 2020Date of Patent: June 13, 2023Assignee: SK hynix Inc.Inventors: Oh-Hyun Kim, Sung-Hwan Ahn, Hae-Jung Park, Tae-Hang Ahn
-
Publication number: 20220406789Abstract: Present invention is related to a semiconductor device with an improved reliability and a method for the same. A method for fabricating a semiconductor device according to an embodiment of the present invention may comprise: forming a plurality of bit line structures over a substrate; forming line-shaped openings between the bit line structures; forming a stopper structure on edges of the line-shaped openings; filling a line pattern in each of the line-shaped openings; forming a plurality of contact plugs and a plurality of isolation grooves by etching the line patterns; and filling a plug isolation layer in the isolation grooves.Type: ApplicationFiled: December 27, 2021Publication date: December 22, 2022Inventors: Jin Hwan JEON, Dae Won KIM, Tae Kyun KIM, Jung Woo PARK, Sung Hwan AHN, Su Ock CHUNG, Dong Goo CHOI
-
Publication number: 20210400430Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.Type: ApplicationFiled: September 7, 2021Publication date: December 23, 2021Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
-
Patent number: 10921820Abstract: Disclosed herein are a movable object and a movable object control method. The movable object control method may include acquiring an image of a movable object's surroundings, acquiring a signal having strength changing depending on a location of the movable object, generating a map on the basis of the signal and the image of the surroundings of the movable object, and applying the map to an algorithm to acquire a learned algorithm.Type: GrantFiled: December 12, 2017Date of Patent: February 16, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Suk June Yoon, No San Kwak, Kyung Shik Roh, Soon Yong Park, Sung Hwan Ahn
-
Publication number: 20200402804Abstract: A method for fabricating a semiconductor device includes: preparing a substrate; forming an isolation layer defining an active region in the substrate; forming a first insulation structure over the substrate, the first insulation structure defining a line-type opening that exposes the isolation layer and the active region; forming a plug pad through a Selective Epitaxial Growth (SEG) process over the exposed active regions; forming a second insulation structure inside the line-type opening, the second insulation structure defining a contact hole landing on the plug pad; and filling the contact hole with a contact plug.Type: ApplicationFiled: September 4, 2020Publication date: December 24, 2020Inventors: Oh-Hyun KIM, Sung-Hwan AHN, Hae-Jung PARK, Tae-Hang AHN
-
Patent number: 10860033Abstract: Embodiments of the present disclosure relate to a movable object and a method for controlling the same. A method for controlling a movable object may include acquiring virtual data representing distances between each of a plurality of positions within an area and surfaces in the area, in a plurality of directions, respectively, based on a map of the area. An algorithm, such as a machine learning algorithm, may be executed that outputs positions corresponding to the virtual data. Actual distance data between the movable object and a plurality of surfaces in the vicinity of the movable object may be acquired. An actual position of the movable object may then be estimated corresponding to the actual distance data by executing the algorithm using the actual distance data. The movable object may be controlled based on the estimated actual position.Type: GrantFiled: December 11, 2017Date of Patent: December 8, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Soon Yong Park, No San Kwak, Kyung Shik Roh, Sung Hwan Ahn, Suk June Yoon, Min Yong Choi
-
Publication number: 20200329339Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.Type: ApplicationFiled: June 29, 2020Publication date: October 15, 2020Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
-
Patent number: 10790150Abstract: A method for fabricating a semiconductor device includes: preparing a substrate; forming an isolation layer defining an active region in the substrate; forming a first insulation structure over the substrate, the first insulation structure defining a line-type opening that exposes the isolation layer and the active region; forming a plug pad through a Selective Epitaxial Growth (SEG) process over the exposed active regions; forming a second insulation structure inside the line-type opening, the second insulation structure defining a contact hole landing on the plug pad; and filling the contact hole with a contact plug.Type: GrantFiled: November 13, 2019Date of Patent: September 29, 2020Assignee: SK hynix Inc.Inventors: Oh-Hyun Kim, Sung-Hwan Ahn, Hae-Jung Park, Tae-Hang Ahn
-
Patent number: 10780585Abstract: A robot for performing hand-eye calibration is provided. The robot includes a robot arm including a plurality of joints, a plurality of arm sections, and an end effector, a communication interface, and a control circuit. The control circuit controls the robot arm to place the external object on a worktable after the external object is grasped by the end effector, acquires coordinates of a central point of the external object in a coordinate system of the camera from an image of the external object, and calculates a calibration parameter for defining a relation between a coordinate system of the end effector and the coordinate system of the camera, based on coordinates of the end effector in a base coordinate system of the robot and coordinates of the central point of the external object in the coordinate system of the camera when the external object is placed on the worktable.Type: GrantFiled: January 2, 2018Date of Patent: September 22, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Soon Yong Park, Kyung Shik Roh, Sung Hwan Ahn, Suk June Yoon, So Hee Lee, Young Pil Jeon
-
Patent number: 10701516Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.Type: GrantFiled: December 15, 2017Date of Patent: June 30, 2020Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Sung Hwan Ahn, Byeong Cheol Moon, Suk Hoon Jung, Dong Soo Han, Kyung Shik Roh, Suk June Yoon
-
Publication number: 20200083055Abstract: A method for fabricating a semiconductor device includes: preparing a substrate; forming an isolation layer defining an active region in the substrate; forming a first insulation structure over the substrate, the first insulation structure defining a line-type opening that exposes the isolation layer and the active region; forming a plug pad through a Selective Epitaxial Growth (SEG) process over the exposed active regions; forming a second insulation structure inside the line-type opening, the second insulation structure defining a contact hole landing on the plug pad; and filling the contact hole with a contact plug.Type: ApplicationFiled: November 13, 2019Publication date: March 12, 2020Inventors: Oh-Hyun KIM, Sung-Hwan AHN, Hae-Jung PARK, Tae-Hang AHN
-
Patent number: 10522362Abstract: A method for fabricating a semiconductor device includes: preparing a substrate; forming an isolation layer defining an active region in the substrate; forming a first insulation structure over the substrate, the first insulation structure defining a line-type opening that exposes the isolation layer and the active region; forming a plug pad through a Selective Epitaxial Growth (SEG) process over the exposed active regions; forming a second insulation structure inside the line-type opening, the second insulation structure defining a contact hole landing on the plug pad; and filling the contact hole with a contact plug.Type: GrantFiled: December 11, 2017Date of Patent: December 31, 2019Assignee: SK hynix Inc.Inventors: Oh-Hyun Kim, Sung-Hwan Ahn, Hae-Jung Park, Tae-Hang Ahn
-
Publication number: 20190394615Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.Type: ApplicationFiled: December 15, 2017Publication date: December 26, 2019Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
-
Patent number: 10492668Abstract: Disclosed herein are an endoscope system and a control method thereof. The control method includes acquiring plural omnidirectional images of the surroundings of an endoscope using a stereo omnidirectional camera mounted on the endoscope, calculating distances between the endoscope and an object around the endoscope using the acquired plural omnidirectional images, and executing an operation to avoid collision between the endoscope and the object around the endoscope based on the calculated distances, thus facilitating safe operation of the endoscope.Type: GrantFiled: December 19, 2013Date of Patent: December 3, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Suk June Yoon, No San Kwak, Kyung Shik Roh, Sung Hwan Ahn, Won Jun Hwang
-
Patent number: 10448812Abstract: Surgical trocars, and image acquisition method using the same, include a body having a passage configured to receive at least one surgical instrument, and at least one camera movably coupled to an outer wall of the body.Type: GrantFiled: January 13, 2014Date of Patent: October 22, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Suk June Yoon, Kyung Shik Roh, Soon Yong Park, Sung Hwan Ahn, Ji Hyo Lee, Won Jun Hwang, Hyo Seok Hwang
-
Publication number: 20180350611Abstract: A method for fabricating a semiconductor device includes: preparing a substrate; forming an isolation layer defining an active region in the substrate; forming a first insulation structure over the substrate, the first insulation structure defining a line-type opening that exposes the isolation layer and the active region; forming a plug pad through a Selective Epitaxial Growth (SEG) process over the exposed active regions; forming a second insulation structure inside the line-type opening, the second insulation structure defining a contact hole landing on the plug pad; and filling the contact hole with a contact plug.Type: ApplicationFiled: December 11, 2017Publication date: December 6, 2018Inventors: Oh-Hyun KIM, Sung-Hwan AHN, Hae-Jung PARK, Tae-Hang AHN
-
Publication number: 20180186004Abstract: A robot for performing hand-eye calibration is provided. The robot includes a robot arm including a plurality of joints, a plurality of arm sections, and an end effector, a communication interface, and a control circuit. The control circuit controls the robot arm to place the external object on a worktable after the external object is grasped by the end effector, acquires coordinates of a central point of the external object in a coordinate system of the camera from an image of the external object, and calculates a calibration parameter for defining a relation between a coordinate system of the end effector and the coordinate system of the camera, based on coordinates of the end effector in a base coordinate system of the robot and coordinates of the central point of the external object in the coordinate system of the camera when the external object is placed on the worktable.Type: ApplicationFiled: January 2, 2018Publication date: July 5, 2018Inventors: Soon Yong PARK, Kyung Shik ROH, Sung Hwan AHN, Suk June YOON, So Hee LEE, Young Pil JEON
-
Publication number: 20180173244Abstract: Disclosed herein are a movable object and a movable object control method. The movable object control method may include acquiring an image of a movable object's surroundings, acquiring a signal having strength changing depending on a location of the movable object, generating a map on the basis of the signal and the image of the surroundings of the movable object, and applying the map to an algorithm to acquire a learned algorithm.Type: ApplicationFiled: December 12, 2017Publication date: June 21, 2018Inventors: Suk June YOON, No San KWAK, Kyung Shik ROH, Soon Yong PARK, Sung Hwan AHN
-
Publication number: 20180173243Abstract: Embodiments of the present disclosure relate to a movable object and a method for controlling the same. A method for controlling a movable object may include acquiring virtual data representing distances between each of a plurality of positions within an area and surfaces in the area, in a plurality of directions, respectively, based on a map of the area. An algorithm, such as a machine learning algorithm, may be executed that outputs positions corresponding to the virtual data. Actual distance data between the movable object and a plurality of surfaces in the vicinity of the movable object may be acquired. An actual position of the movable object may then be estimated corresponding to the actual distance data by executing the algorithm using the actual distance data. The movable object may be controlled based on the estimated actual position.Type: ApplicationFiled: December 11, 2017Publication date: June 21, 2018Inventors: Soon Yong PARK, No San KWAK, Kyung Shik ROH, Sung Hwan AHN, Suk June YOON, Min Yong CHOI