Patents by Inventor Byeong-Taek MOON
Byeong-Taek MOON 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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Patent number: 10911104Abstract: A near-field communication (NFC) circuit includes a transmitter that generates a transmission signal based on a reference clock signal and transmits the transmission signal through an antenna; a clock recovery circuit that receives a detection signal through the antenna responsive to the transmission signal and recovers a recovered clock signal from the detection signal; a phase detector that detects a phase change of the recovered clock signal; and a controller that determines, based on the phase change of the recovered clock signal, whether an NFC tag external to the NFC circuit is located within a communication range of the NFC circuit.Type: GrantFiled: October 16, 2019Date of Patent: February 2, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-Taek Moon, Jun-Ho Kim, Young-Joo Lee
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Patent number: 10700422Abstract: In one embodiment, the antenna arrangement includes a primary antenna having a conductive sidewall; and a loop antenna disposed in and physically separated from the primary antenna. The loop antenna includes a first conductive loop and a capacitor electrically connected between ends of the first conductive loop.Type: GrantFiled: May 7, 2019Date of Patent: June 30, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-Taek Moon, Jae-Suk Lee, Il-Jong Song, Young-Ki Lee, Yo-Han Jang
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Publication number: 20200169300Abstract: A near-field communication (NFC) circuit includes a transmitter that generates a transmission signal based on a reference clock signal and transmits the transmission signal through an antenna; a clock recovery circuit that receives a detection signal through the antenna responsive to the transmission signal and recovers a recovered clock signal from the detection signal; a phase detector that detects a phase change of the recovered clock signal; and a controller that determines, based on the phase change of the recovered clock signal, whether an NFC tag external to the NFC circuit is located within a communication range of the NFC circuit.Type: ApplicationFiled: October 16, 2019Publication date: May 28, 2020Inventors: BYEONG-TAEK MOON, JUN-HO KIM, YOUNG-JOO LEE
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Patent number: 10651897Abstract: A near field communication (NFC) package in a portable device and method thereof are provided. The NFC package includes a secure storage device configured to store data, and an NFC controller configured to receive data from the secure storage device, provide the received data to a first external terminal by performing an NFC communication in an NFC mode, and provide the received data to a second external terminal by performing a magnetic secure transmission (MST) communication in an MST mode.Type: GrantFiled: February 2, 2016Date of Patent: May 12, 2020Assignee: Samsung Electronics Co., LtdInventors: Sang-Hyo Lee, Byeong-Taek Moon, Il-Jong Song, Byeong-Hoon Lee
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Publication number: 20190260118Abstract: In one embodiment, the antenna arrangement includes a primary antenna having a conductive sidewall; and a loop antenna disposed in and physically separated from the primary antenna. The loop antenna includes a first conductive loop and a capacitor electrically connected between ends of the first conductive loop.Type: ApplicationFiled: May 7, 2019Publication date: August 22, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Byeong-Taek MOON, Jae-Suk LEE, II-Jong SONG, Young-ki LEE, Yo-Han JANG
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Patent number: 10361751Abstract: A modulation index setting circuit of a near field communication (NFC) device, includes a current detector. The current detector generates a reference current based on detecting a transmitter current flowing in a transmitter of the NFC device respectively during a non-modulation interval, and generates a modulation current based on detecting the transmitter current flowing in the transmitter of the NFC device during a modulation interval. The modulation index setting circuit changes the transmitter current based on applying a driving strength control code to the transmitter, receives the reference current and the modulation current, calculates modulation indexes associated with separate, respective code values of the driving strength control code and generates a modulation index table that stores the modulation indexes.Type: GrantFiled: September 13, 2018Date of Patent: July 23, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-Taek Moon, Il-Jong Song, Sung-Hye Choi, Tae-Ho Park
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Patent number: 10333200Abstract: In one embodiment, the antenna arrangement includes a primary antenna having a conductive sidewall; and a loop antenna disposed in and physically separated from the primary antenna. The loop antenna includes a first conductive loop and a capacitor electrically connected between ends of the first conductive loop.Type: GrantFiled: February 8, 2016Date of Patent: June 25, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-Taek Moon, Jae-Suk Lee, Il-Jong Song, Young-Ki Lee, Yo-Han Jang
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Publication number: 20190190567Abstract: A modulation index setting circuit of a near field communication (NFC) device, includes a current detector. The current detector generates a reference current based on detecting a transmitter current flowing in a transmitter of the NFC device respectively during a non-modulation interval, and generates a modulation current based on detecting the transmitter current flowing in the transmitter of the NFC device during a modulation interval. The modulation index setting circuit changes the transmitter current based on applying a driving strength control code to the transmitter, receives the reference current and the modulation current, calculates modulation indexes associated with separate, respective code values of the driving strength control code and generates a modulation index table that stores the modulation indexes.Type: ApplicationFiled: September 13, 2018Publication date: June 20, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Byeong-Taek Moon, Il-Jong Song, Sung-Hye Choi, Tae-Ho Park
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Patent number: 9985693Abstract: An integrated circuit for near field communication (NFC) is provided. The integrated circuit includes a semiconductor substrate; a first transmitter disposed on the semiconductor substrate and configured to operate in a first NFC card mode, an NFC reader mode, and a peer-to-peer mode; a second transmitter disposed on the semiconductor substrate and configured to operate in a second NFC card mode; first transmitting pins connected to the semiconductor substrate and configured to transmit an output signal of the first transmitter to a first NFC antenna; second transmitting pins connected to the semiconductor substrate and configured to transmit an output signal of the second transmitter to a second NFC antenna; and a logic circuit disposed on the semiconductor substrate and configured to receive a control signal, and control an operation of the first transmitter and an operation of the second transmitter based on the control signal.Type: GrantFiled: February 2, 2017Date of Patent: May 29, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong Taek Moon, Ii Jong Song, Sang Hyo Lee
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Patent number: 9853697Abstract: A tag detector of a near field communication (NFC) device includes a current monitor configured to monitor a current flowing in a regulator in a preset phase and a detection phase to generate a first sensing current and a second sensing current, respectively, a current to voltage converter configured to convert the first sensing current and the second sensing current to a first sensing voltage and a second sensing voltage, respectively, an analog to digital converter configured to convert the first sensing voltage and the second sensing voltage to a first digital code and a second digital code, respectively, and a decision circuit configured to compare the first digital code and the second digital code, and output a detection signal indicating that another NFC device is within a communication range of the NFC device, based on the comparison.Type: GrantFiled: July 8, 2016Date of Patent: December 26, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Woo Kim, Byeong-Taek Moon, Jun-Ho Kim
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Publication number: 20170288732Abstract: An integrated circuit for near field communication (NFC) is provided. The integrated circuit includes a semiconductor substrate; a first transmitter disposed on the semiconductor substrate and configured to operate in a first NFC card mode, an NFC reader mode, and a peer-to-peer mode; a second transmitter disposed on the semiconductor substrate and configured to operate in a second NFC card mode; first transmitting pins connected to the semiconductor substrate and configured to transmit an output signal of the first transmitter to a first NFC antenna; second transmitting pins connected to the semiconductor substrate and configured to transmit an output signal of the second transmitter to a second NFC antenna; and a logic circuit disposed on the semiconductor substrate and configured to receive a control signal, and control an operation of the first transmitter and an operation of the second transmitter based on the control signal.Type: ApplicationFiled: February 2, 2017Publication date: October 5, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong Taek MOON, Il Jong SONG, Sang Hyo LEE
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Patent number: 9674646Abstract: A wearable electronic device according to example embodiments includes a display panel configured to display an image, a main board including a processor configured to control an operation of the wearable electronic device, a metal frame defining a perimeter of the wearable electronic device, the metal frame including a metal material, the metal frame having first and second terminals, the first terminal being adjacent to the second terminal with a slit therebetween, a loop antenna between the display panel and the main board, the loop antenna configured to connect to the first and second terminals of the metal frame, and a near field communication (NFC) chip configured to connect to the metal frame and the loop antenna, the NFC chip configured to perform a near field communication by transmitting or receiving an NFC signal using the metal frame and the loop antenna.Type: GrantFiled: November 13, 2015Date of Patent: June 6, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Yo-Han Jang, Byeong-Taek Moon, Young-Ki Lee, Il-Jong Song, Byeong-Hoon Lee
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Patent number: 9641227Abstract: A transceiver for near field communication may include: a resonance circuit coupled between a first node and a second node, the resonance circuit having a resonance frequency and being configured to emit an electromagnetic wave to communicate data with an external device; a first capacitor coupled between the first node and a third node; a second capacitor coupled between the second node and a fourth node; and/or a filter coupled among a first transmission electrode, a second transmission electrode, the third node, and the fourth node in an asymmetrical structure to provide a first frequency response and a second frequency response to the first transmission electrode and the second transmission electrode, respectively, the first frequency response being different from the second frequency response, the filter being configured to receive the data through the first transmission electrode and the second transmission electrode.Type: GrantFiled: March 4, 2015Date of Patent: May 2, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong-Taek Moon, Il-Jong Song
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Publication number: 20170077996Abstract: A tag detector of a near field communication (NFC) device includes a current monitor configured to monitor a current flowing in a regulator in a preset phase and a detection phase to generate a first sensing current and a second sensing current, respectively, a current to voltage converter configured to convert the first sensing current and the second sensing current to a first sensing voltage and a second sensing voltage, respectively, an analog to digital converter configured to convert the first sensing voltage and the second sensing voltage to a first digital code and a second digital code, respectively, and a decision circuit configured to compare the first digital code and the second digital code, and output a detection signal indicating that another NFC device is within a communication range of the NFC device, based on the comparison.Type: ApplicationFiled: July 8, 2016Publication date: March 16, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Woo KIM, Byeong-Taek MOON, Jun-Ho KIM
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Patent number: 9537983Abstract: A housing of a mobile device including a frame defining a perimeter of the mobile device, the frame including a first metal material and configured to operate as a first antenna for a first wireless communication, and a cover configured to cover one surface of the mobile device, the cover including a second metal material, and the cover and at least a portion of the frame configured to operate as a second antenna for a second wireless communication may be provided.Type: GrantFiled: September 2, 2015Date of Patent: January 3, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Ki Lee, Byeong-Taek Moon, Yo-Han Jang, Il-jong Song, Jae-Suk Lee, Byeong-Hoon Lee
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Publication number: 20160308587Abstract: A near field communication (NFC) package in a portable device and method thereof are provided. The NFC package includes a secure storage device configured to store data, and an NFC controller configured to receive data from the secure storage device, provide the received data to a first external terminal by performing an NFC communication in an NFC mode, and provide the received data to a second external terminal by performing a magnetic secure transmission (MST) communication in an MST mode.Type: ApplicationFiled: February 2, 2016Publication date: October 20, 2016Inventors: Sang-Hyo LEE, Byeong-Taek MOON, II-Jong SONG, Byeong-Hoon LEE
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Publication number: 20160241306Abstract: In one embodiment, the antenna arrangement includes a primary antenna having a conductive sidewall; and a loop antenna disposed in and physically separated from the primary antenna. The loop antenna includes a first conductive loop and a capacitor electrically connected between ends of the first conductive loop.Type: ApplicationFiled: February 8, 2016Publication date: August 18, 2016Inventors: Byeong-Taek MOON, Jae-Suk LEE, Il-Jong SONG, Young-Ki LEE, Yo-Han JANG
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Publication number: 20160142866Abstract: A wearable electronic device according to example embodiments includes a display panel configured to display an image, a main board including a processor configured to control an operation of the wearable electronic device, a metal frame defining a perimeter of the wearable electronic device, the metal frame including a metal material, the metal frame having first and second terminals, the first terminal being adjacent to the second terminal with a slit therebetween, a loop antenna between the display panel and the main board, the loop antenna configured to connect to the first and second terminals of the metal frame, and a near field communication (NFC) chip configured to connect to the metal frame and the loop antenna, the NFC chip configured to perform a near field communication by transmitting or receiving an NFC signal using the metal frame and the loop antenna.Type: ApplicationFiled: November 13, 2015Publication date: May 19, 2016Inventors: Yo-Han JANG, Byeong-Taek MOON, Young-Ki LEE, II-Jong SONG, Byeong-Hoon LEE
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Publication number: 20160134730Abstract: A housing of a mobile device including a frame defining a perimeter of the mobile device, the frame including a first metal material and configured to operate as a first antenna for a first wireless communication, and a cover configured to cover one surface of the mobile device, the cover including a second metal material, and the cover and at least a portion of the frame configured to operate as a second antenna for a second wireless communication may be provided.Type: ApplicationFiled: September 2, 2015Publication date: May 12, 2016Inventors: Young-Ki LEE, Byeong-Taek MOON, Yo-Han JANG, Il-jong SONG, Jae-Suk LEE, Byeong-Hoon LEE
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Publication number: 20150365139Abstract: A transceiver for near field communication may include: a resonance circuit coupled between a first node and a second node, the resonance circuit having a resonance frequency and being configured to emit an electromagnetic wave to communicate data with an external device; a first capacitor coupled between the first node and a third node; a second capacitor coupled between the second node and a fourth node; and/or a filter coupled among a first transmission electrode, a second transmission electrode, the third node, and the fourth node in an asymmetrical structure to provide a first frequency response and a second frequency response to the first transmission electrode and the second transmission electrode, respectively, the first frequency response being different from the second frequency response, the filter being configured to receive the data through the first transmission electrode and the second transmission electrode.Type: ApplicationFiled: March 4, 2015Publication date: December 17, 2015Inventors: Byeong-Taek MOON, Il-Jong SONG