Samsung Electronics Co., Ltd.

Il-Jong Song

Young-Hoon Min

Ja-nam Ku

Jong-Pil Cho

Yo-Han Jang

Young-Ki Lee

Byeong-Hoon Lee

Byeong-Taek Moon

Jun-Ho Kim

In-sang Song

Dong-Hyun Lee

Yun-kwon Park

Byeoung-ju Ha

Duck-hwan Kim

Jae-Suk Lee

Hyoung-Hwan Roh

Sang-Wook Kwon

Sang-Hyo Lee

Si-Gyoung Koo

Chol-Su Yoon

Sang-Hun Lee

Dong-sik Shim

Che-Heung Kim

Young-tack Hong

Jun-sik Hwang

Soon-cheol Kweon

Hyung-jae Shin

Jong-Seok Kim

Dong-ha Shim

Kuang-Woo Nam

Seong-sik Myoung

Hang-Seok Choi

Seong-hearn Lee

Sung-Hye Choi

Sung-Chul Kim

Min-Woo Lee

Kyung-Jin Lee

Seung-Won Lee

Hyung Ki Choi

Seong-Mo Hwang

Ji-Hun Koo

Young-Joo Lee

Jun-ho Kim

Eung-Yeoul Yoon

Hyuk-Jun Sung

Young-hoon Min

In-Sang Song

Jin-Hun Koo

Cheong-Worl Kim

Chung-woul Kim

Chul-joon Choi

Ji-Myung Na

Seong-Sik Myoung

Young-hun Min

Potapov Sergey

Ja-Nam Ku

Dong-Hoon Chang

Ho-Jin Jung

Young-Jae Jang

Myung-Gun Kim

Tae-Ho Park

Sang-Su Shin

Sung-oh Kim

Kyeong-soon Cho

Bong-Su Jeon

Hyeon-Hee Choi

Byeoung-Ju 507-1401 Samsung 5Th Apt Ha

Duck-Hwan 601-909 Hanyang Apartment Kim

Jong-Seok 101-202 Hyundai Apt Kim

Jun-Sik 301-1402 Hanwha Apartment Hwang

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.

Portable device and near field communication chip

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.

Near field communication package and portable device including the same

A mobile device includes at least one internal device including a processor to control the mobile device, an area including a main battery, a first antenna to receive power wirelessly transferred from an auxiliary battery of an accessory coupled to the mobile device, and a power manager. The power manager selects the main battery or the auxiliary battery of the accessory as a power source for the at least one internal device, supplies the at least one internal device with power from the main battery when the main battery is selected as the power source, and supplies the at least one internal device with the power received through the first antenna when the auxiliary battery is selected as the power source.

Mobile device wirelessly receiving power from an auxiliary battery

An antenna module including a first antenna configured to transmit and receive a plurality of signals, the first antenna including a first frame antenna segment including at least a part of a metal frame, the metal frame surrounding a body housing of an electronic device, and a first coil antenna segment connected to the first frame antenna segment, the first coil antenna segment including a first conductive coil may be provided.

Antenna module having metal frame antenna segment and electronic device including the same

An NFC (near field communication) device can include a resonance unit and an NFC chip. The resonance unit may communicate with an external device through an electromagnetic wave. The NFC chip can provide output data to the resonance unit, receive input data from the resonance unit, and can reduce a Q factor (quality factor) of the resonance unit when a signal receive operation is performed in a card mode, and can maintain the Q factor of the resonance unit in a reader mode and when a signal transmit operation is performed in the card mode.

Near field communication devices, systems, and methods using Q factor adjustments

A wireless communication module includes a controller configured to control wireless communication operations, an antenna module that includes a first antenna device, and a matching circuit configured to perform impedance matching between the controller and the antenna module, wherein the first antenna device includes a heat dissipating sheet with a first pattern that transceives wireless signals by detecting a surrounding magnetic flux.

Wireless communication module and portable terminal including the same

A cover of a mobile device includes a metal structure disposed to cover one surface of the mobile device. The metal structure includes a metal material, and operates as an antenna for a wireless communication of the mobile device.

Cover of a mobile device and mobile device including the same

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.

Modulation index setting circuits of near field communication (NFC) devices, NFC devices, and methods of operating NFC devices

A method of operating a near-field communication (NFC) circuit, the method including: receiving an interference signal and a data signal through an antenna; adjusting magnitudes of the received interference signal and the received data signal; down-converting frequencies of the interference signal and the data signal, the magnitudes of which are adjusted; filtering the data signal by removing the frequency down-converted interference signal; and adjusting a magnitude of the filtered data signal. The adjusting of the magnitudes of the received interference signal and the received data signal may include adjusting the magnitudes of the interference signal and the data signal such that linearity of the data signal is maintained during signal processing performed on the interference signal and the data signal in the down-converting of the frequencies of the interference signal and the data signal, the filtering of the data signal, and the adjusting of the magnitude of the filtered data signal.

NFC receiver and operation method of circuit comprising the NFC receiver

A near field communication antenna included in a mobile device includes a body case and a loop antenna. The body case accommodates semiconductor devices included in the mobile device, and includes a metal material. The loop antenna is electrically connected to the body case. The loop antenna and a first portion of the body case form a signal path to perform a near field communication.

Near field communication antenna, near field communication device and mobile device having the same

Operating an NFC device to communicate with an NFC tag may include converting the NFC device between operating in a standby mode or an active mode, based on whether communication between the NFC device and an NFC tag is failed while the NFC device is operating in an active mode, detecting an NFC tag based on a tag detection sensitivity associated with the NFC device operating in the standby mode, converting the NFC device to operating in the active mode when an NFC tag is detected in the standby mode and adaptively controlling the tag detection sensitivity based on one or more user environment parameters associated with the NFC device. Power consumption and the tag detection sensitivity may be optimized based on adaptively controlling the tag detection sensitivity based on the one or more user environment parameters.

Methods of operating near field communication devices

A near field communication (NFC) antenna includes a first antenna electrode and a second antenna electrode, and a loop coil. The first and second antenna electrodes are formed on a first surface of a substrate. The loop coil is formed on the first surface of the substrate, is directly coupled between the first antenna electrode and the second antenna electrode, and includes a first plurality of turns. The first antenna electrode is located inside each of the plurality of turns of the loop coil, and the second antenna electrode is located outside each of the plurality of turns of the loop coil. An imaginary line passing through the first antenna electrode and the second antenna electrode is parallel to one of edges of the substrate. Each of the first plurality of turns of the loop coil does not overlap each other.

Near field communication antenna, near field communication device and mobile system having the same

A resonance frequency of a near field communication (NFC) antenna module may be set to be equal to a first frequency by a resonance unit included in the NFC antenna module. The NFC module may include a matching circuit connected to the NFC antenna module. The matching circuit may include terminals exposed to the outside such that the antenna module is detachable from the matching circuit.

NFC antenna module and NFC module including the same

Growing community of inventors

Suwon-si, South Korea

Il-Jong Song