Patents by Inventor Ju-Hyang Lee

Ju-Hyang 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: 11652373
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 16, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kihyun Kim, Kyungha Koo, Wooram Lee, Changhyung Lee, Jihye Kim, Jihong Kim, Yunjeong Noh, Seho Park, Kumjong Sun, Ju-Hyang Lee, Mincheol Ha, Sangmoo Hwangbo
  • Patent number: 11451074
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kihyun Kim, Kyungha Koo, Wooram Lee, Changhyung Lee, Jihye Kim, Jihong Kim, Yunjeong Noh, Seho Park, Kumjong Sun, Ju-Hyang Lee, Mincheol Ha, Sangmoo Hwangbo
  • Patent number: 11411432
    Abstract: An electronic device according to various embodiments of the present invention comprises a wireless power reception circuit and a processor, wherein the processor can be set so as to receive power transmitted from an external electronic device by using the wireless power reception circuit, detect a state related with the reception during the reception of the power, and disable at least a part of the wireless power reception circuit such that the external electronic device stops the transmission when the state satisfies a designated condition. Other examples are also possible.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: August 9, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-Hyang Lee, Yusu Kim, Kyungmin Park, Wooram Lee, Jung-Min Lee
  • Publication number: 20220190609
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: Kihyun KIM, Kyungha KOO, Wooram LEE, Changhyung LEE, Jihye KIM, Jihong KIM, Yunjeong NOH, Seho PARK, Kumjong SUN, Ju-Hyang LEE, Mincheol HA, Sangmoo HWANGBO
  • Patent number: 11271284
    Abstract: An electronic device according to an embodiment of the disclosure may include a loop antenna, a printed circuit board including a power wire and a ground wire, a first switch electrically connected between a first terminal of the loop antenna and the power wire, a second switch electrically connected between the first terminal and the ground wire, a third switch electrically connected between a second terminal of the loop antenna and the power wire, a fourth switch electrically connected between the second terminal and the ground wire, and a controller.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: March 8, 2022
    Inventors: Yu Su Kim, Ju Hyang Lee, Kyung Min Park
  • Patent number: 11171512
    Abstract: A method and electronic device for performing wireless charging are provided. The electronic device includes a housing, a conductive coil, a power transmission circuit electrically connected to the conductive coil, and configured to wirelessly transmit power to an outside of the housing through the conductive coil, a voltage source electrically connected to the power transmission circuit, and a control circuit electrically connected between the power transmission circuit and the voltage source. The control circuit is configured to change power radiated through the conductive coil, monitor a frequency of a signal and/or electromagnetic waves radiated through the conductive coil, and adjust a level of a voltage from the voltage source based on at least a part of a monitored result of the frequency.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: November 9, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-Won Kim, Dong-Zo Kim, Se-Ho Park, Kwang-Seob Kim, Chang-Hak O, Ju-Hyang Lee, Hyung-Koo Chung, Se-Hyun Cho
  • Patent number: 11115082
    Abstract: According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: September 7, 2021
    Inventors: Ju-Hyang Lee, Keumsu Song, Dongzo Kim, Yusu Kim, Seho Park, Jung-Oh Sung, Mincheol Ha, Changjong Son, Seung-Nyun Kim, Yong Sang Yun
  • Publication number: 20210184336
    Abstract: An electronic device according to an embodiment of the disclosure may include a loop antenna, a printed circuit board including a power wire and a ground wire, a first switch electrically connected between a first terminal of the loop antenna and the power wire, a second switch electrically connected between the first terminal and the ground wire, a third switch electrically connected between a second terminal of the loop antenna and the power wire, a fourth switch electrically connected between the second terminal and the ground wire, and a controller.
    Type: Application
    Filed: October 22, 2018
    Publication date: June 17, 2021
    Inventors: Yu Su KIM, Ju Hyang LEE, Kyung Min PARK
  • Patent number: 10938239
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kihyun Kim, Kyungha Koo, Wooram Lee, Changhyung Lee, Jihye Kim, Jihong Kim, Yunjeong Noh, Seho Park, Kumjong Sun, Ju-Hyang Lee, Mincheol Ha, Sangmoo Hwangbo
  • Patent number: 10938243
    Abstract: A power transmitting unit is provided. The power transmitting unit includes a signal generator configured to generate a signal of a first frequency band for wireless charging, a power generation circuit configured to generate a modulation signal for modulating the signal of the first frequency band generated by the signal generator, and amplify a transmit power of the signal of the first frequency band based on voltage supplied from the outside of the power transmitting unit, a power transmission circuit configured to transmit the amplified transmit power to a power receiving unit via a first antenna, a second antenna configured to receive information about a charging state from the power receiving unit through a second frequency band, and a control circuit configured to control a duty and frequency of the modulation signal based on the charging state.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: March 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Kyoung Won Kim, Han Seok Park, Se Ho Park, Yu Su Kim, Keum Su Song, Ju Hyang Lee, Hyung Koo Chung, Kyung Min Park, Yong Sang Yun
  • Publication number: 20200313460
    Abstract: An electronic device according to various embodiments of the present invention comprises a wireless power reception circuit and a processor, wherein the processor can be set so as to receive power transmitted from an external electronic device by using the wireless power reception circuit, detect a state related with the reception during the reception of the power, and disable at least a part of the wireless power reception circuit such that the external electronic device stops the transmission when the state satisfies a designated condition. Other examples are also possible.
    Type: Application
    Filed: October 1, 2018
    Publication date: October 1, 2020
    Inventors: Ju-Hyang LEE, Yusu KIM, Kyungmin PARK, Wooram LEE, Jung-Min LEE
  • Publication number: 20200280212
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 3, 2020
    Inventors: Kihyun KIM, Kyungha KOO, Wooram LEE, Changhyung LEE, Jihye KIM, Jihong KIM, Yunjeong NOH, Seho PARK, Kumjong SUN, Ju-Hyang LEE, Mincheol HA, Sangmoo HWANGBO
  • Publication number: 20190379241
    Abstract: A power transmitting unit is provided. The power transmitting unit includes a signal generator configured to generate a signal of a first frequency band for wireless charging, a power generation circuit configured to generate a modulation signal for modulating the signal of the first frequency band generated by the signal generator, and amplify a transmit power of the signal of the first frequency band based on voltage supplied from the outside of the power transmitting unit, a power transmission circuit configured to transmit the amplified transmit power to a power receiving unit via a first antenna, a second antenna configured to receive information about a charging state from the power receiving unit through a second frequency band, and a control circuit configured to control a duty and frequency of the modulation signal based on the charging state.
    Type: Application
    Filed: August 22, 2017
    Publication date: December 12, 2019
    Inventors: Dong Zo KIM, Kyoung Won KIM, Han Seok PARK, Se Ho PARK, Yu Su KIM, Keum Su SONG, Ju Hyang LEE, Hyung Koo CHUNG, Kyung Min PARK, Yong Sang YUN
  • Patent number: 10367548
    Abstract: An electronic device and an operating method thereof according to various embodiments are capable of releasing a connection between a first antenna and a first magnetic field module, receiving power wirelessly through the first antenna by a second magnetic field module coupled to the first antenna, coupling the first antenna and the first magnetic field module, and performing first short range communication through the first antenna by the first magnetic field module.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mincheol Ha, Seho Park, Jung-Oh Sung, Ju-Hyang Lee, Kwangseob Kim, Dongzo Kim, Yusu Kim, Keumsu Song, Jae-Woong Jeon
  • Publication number: 20190229771
    Abstract: According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.
    Type: Application
    Filed: March 28, 2017
    Publication date: July 25, 2019
    Inventors: Ju-Hyang LEE, Keumsu SONG, Dongzo KIM, Yusu KIM, Seho PARK, Jung-Oh SUNG, Mincheol HA, Changjong SON, Seung-Nyun KIM, Yong Sang YUN
  • Publication number: 20190229550
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Application
    Filed: April 1, 2019
    Publication date: July 25, 2019
    Inventors: Kihyun KIM, Kyungha KOO, Wooram LEE, Changhyung LEE, Jihye KIM, Jihong KIM, Yunjeong NOH, Seho PARK, Kumjong SUN, Ju-Hyang LEE, Mincheol HA, Sangmoo HWANGBO
  • Patent number: 10326307
    Abstract: An electronic apparatus and its operating method are provided. The electronic apparatus and its operating method can be configured to drive the capacitor, to detect the received power, and stop driving the capacitor.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: June 18, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yusu Kim, Kwangseob Kim, Dongzo Kim, Seho Park, Hanseok Park, Keumsu Song, Ju-Hyang Lee, Mincheol Ha, Seung-Nyun Kim, Yong Sang Yun, Chi-Hyun Cho
  • Patent number: 10270276
    Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: April 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kihyun Kim, Kyungha Koo, Wooram Lee, Changhyung Lee, Jihye Kim, Jihong Kim, Yunjeong Noh, Seho Park, Kumjong Sun, Ju-Hyang Lee, Mincheol Ha, Sangmoo Hwangbo
  • Publication number: 20180331726
    Abstract: An electronic device and an operating method thereof according to various embodiments are capable of releasing a connection between a first antenna and a first magnetic field module, receiving power wirelessly through the first antenna by a second magnetic field module coupled to the first antenna, coupling the first antenna and the first magnetic field module, and performing first short range communication through the first antenna by the first magnetic field module.
    Type: Application
    Filed: November 14, 2016
    Publication date: November 15, 2018
    Inventors: Mincheol HA, Seho PARK, Jung-Oh SUNG, Ju-Hyang LEE, Kwangseob KIM, Dongzo KIM, Yusu KIM, Keumsu SONG, Jae-Woong JEON
  • Patent number: 10056945
    Abstract: A leakage power processing method of an electronic device including a first conductive pattern that sends and receives a communication signal associated with a communication function, a second conductive pattern that is arranged adjacent to the first conductive pattern and sends and receives a power signal used for charging, and a communication hardware interface electrically connected with the first conductive pattern is provided. The leakage power processing method includes determining, by a processor of an electronic device, whether a specific power signal is induced through the second conductive pattern and forming, by the processor of the electronic device, a closed loop including the first conductive pattern if the specific power signal of a specific magnitude or greater is induced.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: August 21, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Kwang Seob Kim, Se Ho Park, Yu Su Kim, Han Seok Park, Keum Su Song, Ju Hyang Lee, Min Cheol Ha