Patents by Inventor Chong Min Lee
Chong Min 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).
-
Patent number: 11777341Abstract: A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises: a power reception circuit receiving electromagnetic waves emitted from the wireless power receiver so as to output power having an alternating current waveform; a rectifier for rectifying the power, having an AC waveform, outputted from the power reception circuit into power having a direct current waveform; a DC/DC converter for converting, into a voltage of a preset level, a voltage of the power having a direct current waveform, the power being rectified by the rectifier; a charger for charging a battery by using the power having a DC waveform, converted from the DC/DC converter; an alternating current ground connected to the power reception circuit and/or the rectifier so as to receive at least a portion of the power having an alternating current waveform; and a direct current ground connected to the DC/DC converter and/or the charger so as to receive at least a portion of the power having a direct currentType: GrantFiled: June 15, 2020Date of Patent: October 3, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Chong-Min Lee, Yu-Su Kim, Hyung-Koo Chung, Hyo-Seok Han
-
Patent number: 11699921Abstract: A system and a method for charging a mobile device in a vehicle are provided. A method, performed by an electronic device, for controlling a wireless charging device in a vehicle includes: identifying at least one mobile device in the vehicle; obtaining state information of the identified mobile device; obtaining state information of the vehicle; and controlling power of a plurality of wireless charging devices in the vehicle based on a state of the mobile device and a state of the vehicle.Type: GrantFiled: September 11, 2018Date of Patent: July 11, 2023Inventors: Dong-chang Lee, Chong-min Lee, Bo-seok Moon
-
Publication number: 20230198164Abstract: In various embodiments, an antenna array may comprise a dielectric; a first patch antenna disposed on a first region of the dielectric; a second patch antenna disposed on a second region of the dielectric; and a ground layer including a first sub-ground layer in contact with a lower portion of the first region of the dielectric, a third sub-ground layer in contact with a lower portion of the second region of the dielectric, and a second sub-ground layer spaced apart from a lower portion between the first region and the second region of the dielectric.Type: ApplicationFiled: May 24, 2017Publication date: June 22, 2023Inventors: Jae-Hyun PARK, Jeong-Hae LEE, Min-Seo PARK, Young-Ho RYU, Sung-Bum PARK, Kwi-Seob UM, Chong-Min LEE, Chang-Hyun LEE
-
Patent number: 11637455Abstract: A wireless power transmission apparatus according to various embodiments may comprise a plurality of patch antennas, a communication circuit, and a processor. The processor may be configured to perform a control to form an RF wave of a first beam width via the plurality of patch antennas, receive, from an electronic apparatus, via the communication circuit, sensing data for at least one of a movement of the electronic apparatus or an orientation of the electronic apparatus, and adjust a beam width of the RF wave formed by the plurality of patch antennas from the first beam width to a second beam width at least on the basis of the received sensing data.Type: GrantFiled: January 25, 2022Date of Patent: April 25, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Ku Yeo, Sung Bum Park, Young Ho Ryu, Chong Min Lee
-
Patent number: 11462948Abstract: A wireless power transmission apparatus includes patch antennas which form an RF wave; a memory storing electromagnetic wave distribution maps corresponding to transmission conditions for transmitting the RF wave; and a processor configured to determine a position of an electronic device and a position of a living body, determine a transmission condition which transmits the RF wave which causes an electromagnetic wave having a size not exceeding a first threshold value to be applied to a position of the living body while being beam-formed at a position of the electronic device, using at least a portion of the electromagnetic wave distribution maps, and generate the RF wave with the determined transmission condition using the patch antennas, each electromagnetic wave distribution map indicating the size of electromagnetic waves at one or more points around the wireless power transmission apparatus when the RF wave is formed by each of the transmission conditions.Type: GrantFiled: October 19, 2018Date of Patent: October 4, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Seok Park, Chong-Min Lee, Sung-Ku Yeo, Jae-Hyuck Shin, Young-Ho Ryu
-
Publication number: 20220149672Abstract: A wireless power transmission apparatus according to various embodiments may comprise a plurality of patch antennas, a communication circuit, and a processor. The processor may be configured to perform a control to form an RF wave of a first beam width via the plurality of patch antennas, receive, from an electronic apparatus, via the communication circuit, sensing data for at least one of a movement of the electronic apparatus or an orientation of the electronic apparatus, and adjust a beam width of the RF wave formed by the plurality of patch antennas from the first beam width to a second beam width at least on the basis of the received sensing data.Type: ApplicationFiled: January 25, 2022Publication date: May 12, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Ku YEO, Sung Bum PARK, Young Ho RYU, Chong Min LEE
-
Patent number: 11264840Abstract: A wireless power transmission device radiating electromagnetic waves is disclosed. The wireless power transmission device can comprise: a first circuit board; a first conductive member mounted on a first surface of the first circuit board; a first ground member mounted on a second surface facing opposite from the first surface; and an electrical circuit disposed on a position, on the second surface of the first circuit board, which does not overlap the first ground member and for controlling the radiation of electromagnetic waves from the first circuit board.Type: GrantFiled: June 12, 2017Date of Patent: March 1, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-Hyun Park, Jae-Seok Park, Young-Ho Ryu, Sung-Ku Yeo, Chong-Min Lee
-
Patent number: 11233426Abstract: A wireless power transmission apparatus according to various embodiments may comprise a plurality of patch antennas, a communication circuit, and a processor. The processor can be configured to perform a control to form an RF wave of a first beam width via the plurality of patch antennas, receive, from an electronic apparatus, via the communication circuit, sensing data for at least one of a movement of the electronic apparatus or an orientation of the electronic apparatus, and adjust a beam width of the RF wave formed by the plurality of patch antennas from the first beam width to a second beam width at least on the basis of the received sensing data.Type: GrantFiled: November 14, 2018Date of Patent: January 25, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Ku Yeo, Sung Bum Park, Young Ho Ryu, Chong Min Lee
-
Publication number: 20210376664Abstract: A wireless power transmission apparatus includes patch antennas which form an RF wave; a memory storing electromagnetic wave distribution maps corresponding to transmission conditions for transmitting the RF wave; and a processor configured to determine a position of an electronic device and a position of a living body, determine a transmission condition which transmits the RF wave which causes an electromagnetic wave having a size not exceeding a first threshold value to be applied to a position of the living body while being beam-formed at a position of the electronic device, using at least a portion of the electromagnetic wave distribution maps, and generate the RF wave with the determined transmission condition using the patch antennas, each electromagnetic wave distribution map indicating the size of electromagnetic waves at one or more points around the wireless power transmission apparatus when the RF wave is formed by each of the transmission conditions.Type: ApplicationFiled: October 19, 2018Publication date: December 2, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Seok PARK, Chong-Min LEE, Sung-Ku YEO, Jae-Hyuck SHIN, Young-Ho RYU
-
Patent number: 11183885Abstract: Disclosed are a wireless power transmission device and a control method thereof. The wireless power transmission device includes a communication circuit that receives information transmitted by an electronic device that receives wireless power; an array antenna including multiple cells that radiate wireless power; and a controller that receives the information transmitted by the electronic device through the communication circuit, combines cells of the multiple cells included in the array antenna based on the information and creates a group of cells corresponding to the electronic device, and controls the cells included in the group to radiate the wireless power towards the electronic device.Type: GrantFiled: May 9, 2017Date of Patent: November 23, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Chong-Min Lee, Sung-Bum Park, Jae-Hyun Park, Young-Ho Ryu, Kyung-Woo Lee
-
Patent number: 11108284Abstract: A wireless power transmitting device is provided. The wireless power transmitting device may comprise an antenna, a memory, and a processor configured to control to store, as reference information, information of a first reflected signal of a pilot signal sent out through the antenna at a first time in the memory and control to compare the reference information with information about second reflected signals of a pilot signal sent out through the antenna at a second time, and determine a position of a target for detection based on a result of the comparison.Type: GrantFiled: September 6, 2019Date of Patent: August 31, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Chong-Min Lee, Kyung-Woo Lee, Sung-Bum Park, Jae-Hyun Park, Jae-Hyuck Shin, Young-Ho Ryu, Sang-Wook Lee
-
Patent number: 11056787Abstract: A hybrid antenna used for an electronic device is disclosed. A hybrid antenna comprises: a substrate comprising a first surface and a second surface and having an insulator; a first conductive member disposed on the first surface of the substrate and having a hole formed therein; a second conductive member disposed on a first area of the second surface of the substrate; and a third conductive member disposed on a second area of the second surface of the substrate and connected to a ground of an electronic device, wherein a first portion of the first conductive member operates as a first antenna for receiving a broadband signal and supplying power to the electronic device, and a second portion operates as a second antenna for receiving wireless power and supplying power to the electronic device, wherein a first power feeding unit is formed between the first antenna and second antenna.Type: GrantFiled: February 10, 2017Date of Patent: July 6, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Jae-Hyun Park, Jeong-Hae Lee, Young-Ho Ryu, Chang-Hyun Lee, Min-Seo Park, Sung-Bum Park, Kwi-Seob Um, Chong-Min Lee
-
Publication number: 20200389053Abstract: A system and a method for charging a mobile device in a vehicle are provided. A method, performed by an electronic device, for controlling a wireless charging device in a vehicle includes: identifying at least one mobile device in the vehicle; obtaining state information of the identified mobile device; obtaining state information of the vehicle; and controlling power of a plurality of wireless charging devices in the vehicle based on a state of the mobile device and a state of the vehicle.Type: ApplicationFiled: September 11, 2018Publication date: December 10, 2020Inventors: Dong-chang LEE, Chong-min LEE, Bo-seok MOON
-
Patent number: 10826332Abstract: A wireless power transmitting device is provided. The wireless power transmitting device includes a patch antenna, and a transmission/reception processing circuit configured to output a first signal to the patch antenna during a first period, and process a second signal output from the patch antenna during a second period, wherein the patch antenna is configured to transmit a transmission wave using the first signal, and output the second signal to the transmission/reception processing circuit using a reception wave.Type: GrantFiled: June 21, 2019Date of Patent: November 3, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Ku Yeo, Chong-Min Lee, Jae-Seok Park, Jae-Hyun Park, Kyung-Woo Lee, Hyo-Seok Han
-
Patent number: 10803318Abstract: Systems and methods are provided for scoring video clips using visual feature extraction. A signal including a video clip of a subject is received. For each frame of the video clip, physiological features of the subject visually rendered in the video clip are extracted. A plurality of visual words associated with the extracted physiological features are determined. A document including the plurality of visual words is generated. A plurality of feature vectors associated with the document are determined. The plurality of feature vectors to a regression model for scoring are provided.Type: GrantFiled: May 17, 2017Date of Patent: October 13, 2020Assignee: Educational Testing ServiceInventors: Lei Chen, Gary Feng, Chee Wee Leong, Chong Min Lee
-
Publication number: 20200313467Abstract: A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises: a power reception circuit receiving electromagnetic waves emitted from the wireless power receiver so as to output power having an alternating current waveform; a rectifier for rectifying the power, having an AC waveform, outputted from the power reception circuit into power having a direct current waveform; a DC/DC converter for converting, into a voltage of a preset level, a voltage of the power having a direct current waveform, the power being rectified by the rectifier; a charger for charging a battery by using the power having a DC waveform, converted from the DC/DC converter; an alternating current ground connected to the power reception circuit and/or the rectifier so as to receive at least a portion of the power having an alternating current waveform; and a direct current ground connected to the DC/DC converter and/or the charger so as to receive at least a portion of the power having a direct currentType: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Inventors: Chong-Min LEE, Yu-Su KIM, Hyung-Koo CHUNG, Hyo-Seok HAN
-
Patent number: 10784706Abstract: A wireless power transmitter configured to wirelessly transmit power to an electronic device is provided.Type: GrantFiled: May 11, 2018Date of Patent: September 22, 2020Assignees: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Chong-Min Lee, Seong-Cheol Kim, Dae-Hyun Kim, Sang-Wook Lee, Young-Ho Ryu, Byeong-Ho Lee, Seong-Wook Lee, Young-Jun Yoon
-
Patent number: 10771115Abstract: According to an embodiment a wireless power transmitting device, includes a power transmission antenna including patch antennas to wirelessly transmit power, and communication antennas configured to receive a communication signal from an electronic device. The wireless power transmitting device also includes a processor configured to detect a direction in which the electronic device is positioned based on the communication signal received through the communication antennas and control the power transmission antenna to transmit the power in the detected direction.Type: GrantFiled: October 18, 2019Date of Patent: September 8, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-Woo Lee, Jae-Hyuck Shin, Sang-Wook Lee, Chong-Min Lee, Hyo-Seok Han
-
Publication number: 20200274400Abstract: A wireless power transmission apparatus according to various embodiments may comprise a plurality of patch antennas, a communication circuit, and a processor. The processor can be configured to perform a control to form an RF wave of a first beam width via the plurality of patch antennas, receive, from an electronic apparatus, via the communication circuit, sensing data for at least one of a movement of the electronic apparatus or an orientation of the electronic apparatus, and adjust a beam width of the RF wave formed by the plurality of patch antennas from the first beam width to a second beam width at least on the basis of the received sensing data.Type: ApplicationFiled: November 14, 2018Publication date: August 27, 2020Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Sung Ku YEO, Sung Bum PARK, Young Ho RYU, Chong Min LEE
-
Patent number: RE49839Abstract: A method of controlling a wireless power receiver. The method includes receiving, by a power receiver, power from a wireless power transmitter; receiving, from the wireless power transmitter, a time set value that is set for checking cross connection; in response to receiving the time set value, generating a power variation in the wireless power receiver by converting a load status from a first load status to a second load status; and maintaining the second load status for a time corresponding to the received time set value.Type: GrantFiled: April 21, 2020Date of Patent: February 13, 2024Inventors: Kyung-Woo Lee, Kang-Ho Byun, Chong-Min Lee, Hee-Won Jung, Min-Cheol Ha, Seung-Woo Han