Patents by Inventor Byung Hun Choi
Byung Hun 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).
-
Patent number: 12251749Abstract: Equipment for manufacturing a separator plate for a fuel cell comprises: a press which receives a conveyed first metal strip and second metal strip, vertically arranges the metal strips side by side, and forms patterns on each of the first metal strip and the second metal strip; a welding machine which overlaps the first metal strip and the second metal strip conveyed from the press, and integrally joins the metal strips by welding same in a state in which the patterns are aligned face-to-face with each other; and guide rolls which are arranged in front of and behind the press and guide the first metal strip so that the first metal strip is supplied to the welding machine at an overlapping position with the second metal strip after passing through the press at a position spaced vertically apart from the second metal strip.Type: GrantFiled: July 23, 2020Date of Patent: March 18, 2025Assignee: ELF SYSTEM CO., LTD.Inventors: Byung-Soo Jung, Myoung-Ku Oh, Young-Suk Choi, Dong-Hun Kang
-
Publication number: 20250054702Abstract: A multilayer electronic component includes a body having a first internal electrode, a second internal electrode, and a first auxiliary electrode and a second auxiliary electrode spaced apart from each other, in which the first internal electrode and the second internal electrode are alternately arranged with the first and second auxiliary electrode layers interposed therebetween; a first external electrode connected to the first internal electrode and the first auxiliary electrode; and a second external electrode connected to the second internal electrode and the second auxiliary electrode, in which at least a portion of the first internal electrode overlaps the second auxiliary electrode, and at least a portion of the second internal electrode overlaps the first auxiliary electrode.Type: ApplicationFiled: June 25, 2024Publication date: February 13, 2025Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Hun Lee, Sang Won Choi, Kun Hoi Koo, Ho Jae Lee
-
Patent number: 11647961Abstract: An electronic device and method for measuring user body information are provided. The method for measuring user body information includes detecting a contact of a user's body portion on at least two spots of a touch screen of the electronic device, upon detecting the contact of the user's body portion on the at least two spots of the touch screen, applying power to a first coil in the electronic device, and measuring the user body information using at least one of a voltage and a second current measured after a first current is induced across the user's body by a first magnetic field generated from the first coil as the power is applied.Type: GrantFiled: March 19, 2020Date of Patent: May 16, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Bae Park, Do-Yoon Kim, Young-Hyun Kim, Byung-Hun Choi, Jae-Eun Kang, Chang-Hyun Kim, Kang-Jin Yoon, Jeong-Eun Lee
-
Patent number: 11213212Abstract: An apparatus for measuring blood pressure, and a method for measuring blood pressure by using the same are disclosed. The disclosed method for measuring blood pressure comprises the steps of: calculating pulse wave transit time; measuring vascular compliance; and measuring systolic blood pressure and diastolic blood pressure by using the pulse wave transit time and the vascular compliance, wherein the vascular compliance can be measured respectively in at least two or more different hand shape poses.Type: GrantFiled: November 14, 2016Date of Patent: January 4, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-hun Choi, Hyun-woo Koh, Hyun-su Kim, Hyun-jae Baek, Jae-wook Shin, Chi-yul Yoon, Jae-geol Cho
-
Patent number: 10849502Abstract: A peripheral device for providing a health information message to a host device includes a health data obtainer configured to obtain health data; a message generator configured to determine a type of the health data, a private message identification (ID) corresponding to the type of the health data, and an ID of the peripheral device, and generate the health information message to include the private message ID, the ID of the peripheral device, and the health data; and a message provider configured to transmit the health information message to the host device, the private message ID being configured to be interpreted differently according to the ID of the peripheral device.Type: GrantFiled: February 10, 2015Date of Patent: December 1, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-hun Choi, Do-yoon Kim, In-young Lee, Jae-geol Cho
-
Patent number: 10750982Abstract: An oxygen saturation measuring apparatus is provided. The oxygen saturation measuring apparatus includes a sensor configured to detect motion of the oxygen saturation measuring apparatus, a light emitter comprising light emitting circuitry configured to emit light to a target subject, a light receiver comprising light receiving circuitry configured to receive one or more of light reflected by the target subject or light transmitted through the target subject to generate a signal, and a processor configured to filter a frequency component corresponding to the detected motion in the signal, to detect a pulse frequency from the filtered signal, and to determine oxygen saturation of the target subject using the filtered signal and the detected pulse frequency.Type: GrantFiled: December 1, 2016Date of Patent: August 25, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-jae Baek, Jae-wook Shin, Jae-geol Cho, Gun-woo Jin, Byung-hun Choi
-
Publication number: 20200214638Abstract: An electronic device and method for measuring user body information are provided. The method for measuring user body information includes detecting a contact of a user's body portion on at least two spots of a touch screen of the electronic device, upon detecting the contact of the user's body portion on the at least two spots of the touch screen, applying power to a first coil in the electronic device, and measuring the user body information using at least one of a voltage and a second current measured after a first current is induced across the user's body by a first magnetic field generated from the first coil as the power is applied.Type: ApplicationFiled: March 19, 2020Publication date: July 9, 2020Inventors: Sang-Bae PARK, Do-Yoon KIM, Young-Hyun KIM, Byung-Hun CHOI, Jae-Eun KANG, Chang-Hyun KIM, Kang-Jin YOON, Jeong-Eun LEE
-
Patent number: 10706717Abstract: A device includes a first sensor to generate a movement signal of a user movement; a second sensor to generate a PPG signal of the user; and a processor configured to set each of time periods as a predetermined amount of time to determine one sleeping state of the user, set a first part of the predetermined amount of time in each time period to emit the light, and set a remaining part of the predetermined amount of time in each time period to not emit the light, control the light emitter of the second sensor to emit the light in the first part of each time period and to not emit the light in the remaining part of each time period, and determine, for each time period, the sleeping state of the user based on the movement signal and the PPG signal that are generated for each time period.Type: GrantFiled: June 27, 2019Date of Patent: July 7, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-bae Park, Hyun-jae Baek, Jae-geol Cho, Byung-hun Choi
-
Patent number: 10595783Abstract: An electronic device and method for measuring user body information are provided. The method for measuring user body information includes detecting a contact of a user's body portion on at least two spots of a touch screen of the electronic device, upon detecting the contact of the user's body portion on the at least two spots of the touch screen, applying power to a first coil in the electronic device, and measuring the user body information using at least one of a voltage and a second current measured after a first current is induced across the user's body by a first magnetic field generated from the first coil as the power is applied.Type: GrantFiled: June 8, 2016Date of Patent: March 24, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Bae Park, Do-Yoon Kim, Young-Hyun Kim, Byung-Hun Choi, Jae-Eun Kang, Chang-Hyun Kim, Kang-Jin Yoon, Jeong-Eun Lee
-
Publication number: 20190318617Abstract: A device includes a first sensor to generate a movement signal of a user movement; a second sensor to generate a PPG signal of the user; and a processor configured to set each of time periods as a predetermined amount of time to determine one sleeping state of the user, set a first part of the predetermined amount of time in each time period to emit the light, and set a remaining part of the predetermined amount of time in each time period to not emit the light, control the light emitter of the second sensor to emit the light in the first part of each time period and to not emit the light in the remaining part of each time period, and determine, for each time period, the sleeping state of the user based on the movement signal and the PPG signal that are generated for each time period.Type: ApplicationFiled: June 27, 2019Publication date: October 17, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-bae PARK, Hyun-jae BAEK, Jae-geol CHO, Byung-hun CHOI
-
Patent number: 10417901Abstract: An electronic device includes: a first sensor configured to generate a movement signal corresponding to a user movement; a second sensor configured to physically contact the user to generate a user bio-signal; a processor configured to determine a user sleeping state using the generated movement signal and the generated user bio-signal in each of time periods, and determine an operation state of another electronic device based on the determined sleeping state in respective time periods; and a communicator configured to transmit a control command corresponding to the determined operation state to the another electronic device.Type: GrantFiled: November 14, 2016Date of Patent: September 17, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-bae Park, Hyun-jae Baek, Jae-geol Cho, Byung-hun Choi
-
Patent number: 10373482Abstract: An electronic device includes: a first sensor configured to generate a movement signal corresponding to a user movement; a second sensor configured to physically contact the user to generate a user bio-signal; a processor configured to determine a user sleeping state using the generated movement signal and the generated user bio-signal in each of time periods, and determine an operation state of another electronic device based on the determined sleeping state in respective time periods; and a communicator configured to transmit a control command corresponding to the determined operation state to the another electronic device.Type: GrantFiled: November 14, 2016Date of Patent: August 6, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-bae Park, Hyun-jae Baek, Jae-geol Cho, Byung-hun Choi
-
Publication number: 20180353089Abstract: An apparatus for measuring blood pressure, and a method for measuring blood pressure by using the same are disclosed. The disclosed method for measuring blood pressure comprises the steps of: calculating pulse wave transit time; measuring vascular compliance; and measuring systolic blood pressure and diastolic blood pressure by using the pulse wave transit time and the vascular compliance, wherein the vascular compliance can be measured respectively in at least two or more different hand shape poses.Type: ApplicationFiled: November 14, 2016Publication date: December 13, 2018Inventors: Byung-hun CHOI, Hyun-woo KOH, Hyun-su KIM, Hyun-jae BAEK, Jae-wook SHIN, Chi-yul YOON, Jae-geol CHO
-
Patent number: 10123735Abstract: Disclosed is a method for an electronic device. The method may include: acquiring a galvanic skin response; generating a first parameter for a first interval and a second parameter for a second interval based on the galvanic skin response, the second interval being an interval before the first interval; determining a first threshold corresponding to the first interval based on the second parameter; and determining an activity state of the first interval based on the first threshold and the first parameter corresponding to the first interval.Type: GrantFiled: December 4, 2015Date of Patent: November 13, 2018Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Hyun-Jae Baek, Kwang-Suk Park, Sang-Bae Park, Do-Yoon Kim, Jung-Taek Oh, Jae-Geol Cho, Byung-Hun Choi, Sang-Won Seo, Hee-Nam Yoon, Da-Woon Jung, Sang-Ho Choi, Su-Hwan Hwang
-
Publication number: 20170213450Abstract: An electronic device includes: a first sensor configured to generate a movement signal corresponding to a user movement; a second sensor configured to physically contact the user to generate a user bio-signal; a processor configured to determine a user sleeping state using the generated movement signal and the generated user bio-signal in each of time periods, and determine an operation state of another electronic device based on the determined sleeping state in respective time periods; and a communicator configured to transmit a control command corresponding to the determined operation state to the another electronic device.Type: ApplicationFiled: November 14, 2016Publication date: July 27, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-bae PARK, Hyun-jae BAEK, Jae-geol CHO, Byung-hun CHOI
-
Publication number: 20170181680Abstract: An oxygen saturation measuring apparatus is provided. The oxygen saturation measuring apparatus includes a sensor configured to detect motion of the oxygen saturation measuring apparatus, a light emitter comprising light emitting circuitry configured to emit light to a target subject, a light receiver comprising light receiving circuitry configured to receive one or more of light reflected by the target subject or light transmitted through the target subject to generate a signal, and a processor configured to filter a frequency component corresponding to the detected motion in the signal, to detect a pulse frequency from the filtered signal, and to determine oxygen saturation of the target subject using the filtered signal and the detected pulse frequency.Type: ApplicationFiled: December 1, 2016Publication date: June 29, 2017Inventors: Hyun-jae BAEK, Jae-wook SHIN, Jae-geol CHO, Gun-woo JIN, Byung-hun CHOI
-
Publication number: 20160367195Abstract: An electronic device and method for measuring user body information are provided. The method for measuring user body information includes detecting a contact of a user's body portion on at least two spots of a touch screen of the electronic device, upon detecting the contact of the user's body portion on the at least two spots of the touch screen, applying power to a first coil in the electronic device, and measuring the user body information using at least one of a voltage and a second current measured after a first current is induced across the user's body by a first magnetic field generated from the first coil as the power is applied.Type: ApplicationFiled: June 8, 2016Publication date: December 22, 2016Inventors: Sang-Bae PARK, Do-Yoon KIM, Young-Hyun KIM, Byung-Hun CHOI, Jae-Eun KANG, Chang-Hyun KIM, Kang-Jin YOON, Jeong-Eun LEE
-
Publication number: 20160157773Abstract: Disclosed is a method for an electronic device. The method may include: acquiring a galvanic skin response; generating a first parameter for a first interval and a second parameter for a second interval based on the galvanic skin response, the second interval being an interval before the first interval; determining a first threshold corresponding to the first interval based on the second parameter; and determining an activity state of the first interval based on the first threshold and the first parameter corresponding to the first interval.Type: ApplicationFiled: December 4, 2015Publication date: June 9, 2016Inventors: Hyun-Jae BAEK, Kwang-Suk PARK, Sang-Bae PARK, Do-Yoon KIM, Jung-Taek OH, Jae-Geol CHO, Byung-Hun CHOI, Sang-Won SEO, Hee-Nam YOON, Da-Woon JUNG, Sang-Ho CHOI, Su-Hwan HWANG
-
Publication number: 20160058366Abstract: Wearable electronic devices, systems, and methods for monitoring sleep are described. In one method, motion sensor values of the current motion of the electronic device are acquired and the change in motion intensity of an electronic device is calculated by comparing motion sensor values over two or more time periods. If the change in motion intensity fits a predetermined pattern, it is determined whether the electronic device is currently being worn. If it is determined that the electronic device is currently being worn, sleep monitoring is performed.Type: ApplicationFiled: June 5, 2015Publication date: March 3, 2016Inventors: Byung-Hun CHOI, Do-Yoon Kim, Jae-Geol Cho
-
Publication number: 20150223691Abstract: A peripheral device for providing a health information message to a host device includes a health data obtainer configured to obtain health data; a message generator configured to determine a type of the health data, a private message identification (ID) corresponding to the type of the health data, and an ID of the peripheral device, and generate the health information message to include the private message ID, the ID of the peripheral device, and the health data; and a message provider configured to transmit the health information message to the host device, the private message ID being configured to be interpreted differently according to the ID of the peripheral device.Type: ApplicationFiled: February 10, 2015Publication date: August 13, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-hun CHOI, Do-yoon KIM, In-young LEE, Jae-geol CHO