Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Seoul National University

Yonsei University

Samsung Electro-mechanics Co., Ltd.

Sungkyunkwan University

Korea University Industrial Academic Collaboration Foundation

Snu Rdb Foundation

Hyo Sun Hwang

Kyung Hun Jang

Hyun Ho Choi

In Sun Lee

Tae In Hyon

Young Soo Kim

Young Jun Hong

Youngsoo Kim

Tae Soo Kwon

Hyun Gi Ahn

Chi Sung Bae

Chang Soon Park

Jong Bu Lim

Jae Wook Shim

Byung In Yoo

Joon Seong Kang

Yong Beom Lee

Young Chul Cho

Gyeong Ja Jang

So Young Lee

Chan Soo Hwang

Jin Ho Kim

Sunghyun Choi

Jin Young Park

Jang Won Lee

Jae Ho Lee

Hee Jung Yu

Tae Won Song

Sang Kon Bae

Hyun Seok Moon

Sang Do Park

Hyeong Seok Jang

Eui Seok Shin

Young Seok Oh

Ka Ram Choi

Sung Yeon Kim

Young Chul Sung

Seung Ku Kim

Doo Seop Eom

Ui Kun Kwon

Sung Jin Kim

Hyewon Lee

Wan Gyun Choi

Chan Kim

Jung Woo Lee

Ji Hoon Lee

Sung Soo Park

Kun Soo Shin

Jung Hyun Park

Yong Hoon Lee

Dong Ho Cho

Seok Ju Yun

Tae Jin Lee

Ho Won Lee

Young Hoon Lee

Seong Joong Kim

Tae Rim Park

Jae Sup Lee

Seok Won Lee

Dong Jo Park

Dae Sik Hong

Yong Ho Cho

Yoon Chae Cheong

Hyun Sik Jung

Jong Ae Park

O Hyun Jo

Munhwan Choi

Jeong Ahn Kwon

Woong Sup Lee

Jong Hoon Shin

Youngnam Han

Hye Soo Lee

Kwanghun Han

Sunggeun Jin

Seungmo Kim

Nak Myeong Kim

Young-ho Jung

Hyung Sik Ju

Ki Tak Kim

Ki Seok Bae

Youngwoo Hwang

Jin Su Hyun

Provided is a security device, an electronic device, a secure boot management system, a method for generating a boot image and a method for executing a boot chain. The security device includes a key deriver configured to receive a root key and a protected boot key included in a boot image and generate a derived key according to a key protection method using the root key and the protected boot key, a key processor configured to perform verification according to the key protection method using the generated derived key to extract a boot key from the protected boot key included in the boot image, a secure booter configured to perform verification on a protected execution image included in the boot image using the extracted boot key, and a processor configured to execute a verified execution image on which the verification has been completed by the secure booter.

Security device, electronic device, secure boot management system, method for generating boot image, and method for executing boot chain

A healthcare apparatus according to an embodiment includes: a plurality of light sources configured to emit light of different wavelengths onto an object; a light detector configured to measure an optical signal of each of the wavelengths by receiving light reflected or scattered from the object; and a processor configured to obtain a blood glucose level and a blood flow index by using the optical signal of each of the wavelengths, and to estimate at least one from among dietary information and dietary metabolism state information by monitoring a blood glucose level change and a blood flow index change after ingestion of a food.

Healthcare apparatus and operating method thereof

Provided are battery management apparatuses and methods. The battery management apparatus includes a sensitivity determiner configured to determine sensitivity of a battery state based on sensed battery information and previous battery state information, and an execution parameter adjuster configured to adjust a parameter for estimating the battery state based on the determined sensitivity of the battery state.

Battery management apparatus and method

Provided is a spectrometer. The spectrometer includes: a light source part configured to emit light of a plurality of wavelengths onto an object; a detector configured to detect an optical signal of each of the plurality of wavelengths as reflected from the object; a controller configured to set an amplification gain for each of the plurality of wavelengths according to photoreaction properties of the object; and an amplifier configured to amplify an output signal of the detector by using the set amplification gain.

Spectrometer, method of controlling output gain of spectrometer, and apparatus and method for measuring bio-information

An optical sensor includes light sources configured to emit light, a substrate on which the light sources are mounted, the substrate comprising holes in regions on which the light sources are mounted, and a first photodetector configured to receive a first light emitted from a front surface of each of the light sources, the first light being reflected or scattered from an object. The optical sensor further includes at least one second photodetector configured to receive a second light emitted from a rear surface of each of the light sources, the second light passing through the holes corresponding to the light sources.

Optical sensor, and apparatus and method for measuring absorbance using the same

Provided is a spectrum measurement apparatus including a light source configured to emit light to a sample; a light detector configured to receive light, which is reflected or scattered from, or transmitted through the sample, and to measure an intensity of the received light, and a processor configured to reconstruct a spectrum of the sample for calibration while adjusting a value of a spectrum reconstruction parameter in response to the light detector receiving the light and measuring the intensity of the received light, and to determine an optimal value of the spectrum reconstruction parameter based on a similarity between the reconstructed spectrum of the sample for calibration and an original spectrum of the sample for calibration.

Spectrum measurement apparatus and method, and calibration method of spectrum measurement apparatus

A device for detecting an interference signal includes an estimator configured to estimate a mean value of received signals output from an analog-digital converter (ADC), a filter configured to filter a low frequency band of the received signals using the estimated mean value to produce filtered received signals, a detector configured to detect, from the filtered received signals, interference signals using a coherent modulation scheme and a non-coherent modulation scheme, and a combiner configured to determine whether interference exists in a frequency channel in response to a result of the interference signal detecting using the coherent modulation scheme and the non-coherent modulation scheme, based on a preset condition.

Method and device for detecting interference signal from low-power envelope detection receiver

An interactive method includes displaying image content received through a television (TV) network, identifying an object of interest of a user among a plurality of regions or a plurality of objects included in the image content, and providing additional information corresponding to the object of interest.

Method of providing user specific interaction using device and digital television (DTV), the DTV, and the user device

A communication method of a coordinator in a bidirectional event transmission sensor network comprising a sensor node and the coordinator is provided. The method includes sensing, in an uplink section, whether a signal having energy greater than or equal to a predetermined magnitude is received, the signal indicating occurrence of an uplink event detected by the sensor node, and transmitting, to the sensor node in a downlink section, a synchronization packet that is used for receiving the uplink event or for transmitting a downlink event in response to the coordinator detecting the downlink event or sensing the signal having energy greater than or equal to the predetermined magnitude in the uplink section. The bidirectional event transmission sensor network has a structure of a super frame that includes at least one standby slot (SS) including the uplink section and the downlink section.

Method and apparatus of sensor network supporting bidirectional event detection

A communication method of a transmission node includes generating information of a transmission unavailable time period of the transmission node in a reception available time period of a reception node, and transmitting, to the reception node, the information of the transmission unavailable time period. The reception node operates in a sleep state based on the information of the transmission unavailable time period.

Reception node and transmission node for saving energy of reception node, and communication method thereof

A gateway and method thereof are provided to communicate with sensor nodes. The gateway includes a generator configured to generate, based on schedule information on a previous uplink interval, response data. The gateway also includes an allocator configured to allocate a subsequent uplink interval to the sensor nodes to generate schedule information on the subsequent uplink interval. The gateway includes a transmitter configured to transmit the response data and the schedule information on the subsequent uplink interval to the sensor nodes.

Sensor node and gateway mutually communicating in wireless sensor network

A reception apparatus having a dual reception structure includes a first receiver having a first quality (Q) factor and configured to receive a signal in a predetermined band in response to the first receiver being selected by a reception controller; a second receiver having a second Q factor greater than the first Q factor and configured to receive the signal in the predetermined band in response to the second receiver being selected by the reception controller; and a reception controller configured to select one of the first receiver and the second receiver based on interference information associated with an adjacent band adjacent to the predetermined band.

Reception apparatus having dual reception structure, and method of receiving signal using dual reception structure

A three-dimensional (3D) display device for providing an input-output interface using a dynamic magnetic field control is disclosed, the device including a display unit to display a 3D image, a magnetic field generation unit to generate a magnetic field, and a control unit to dynamically control the magnetic field generation unit to generate a 3D magnetic field associated with the 3D image.

Three-dimensional (3D) display device for providing input-output interface using dynamic magnetic field control and method thereof

Growing community of inventors

Seoul, South Korea

Hyo Sun Hwang