Samsung Electronics Co., Ltd.

Korea Institute of Science and Technology

Samsung Medison Co., Ltd.

Sungjae Lee

Yong-Won Song

Jinnam Kim

Kang-Doo Kim

Chris Bangle

Jungah Choi

Ahjung Joo

Yoon-jung Choi

Jae-Youl Kim

Jinook Song

Chih Jen Lin

Hyun-ki Koo

Donghyeon Ham

Byounguk Yoon

Jaejun Kim

Hyoungsub Choi

Ji-Young Shin

Tae Hyoung Cho

Wonhee Choi

Kiwoong Kim

Tai Kyung Kim

Yongwoo Jeon

Byungkook Baek

Minsoo Lim

Sangmok Lee

Yongcheol Hyeon

Kyungmo Yang

Kwangsu Seo

Sangbin Oh

Embodiments relate to an optical sensor for sensing hydrogen gas, which includes an optical fiber through which light moves; a ferrule formed at one end of the optical fiber to surround the optical fiber; and a sensor module configured to form an interference wave according to a Fabry-Perot interferometer with respect to light that moves through the optical fiber, wherein the sensor module includes a sensing material that expands and contracts by reacting with hydrogen gas, and spectrum periodicity of the interference wave changes according to a volume change of the sensing material, and a hydrogen gas detection system including the optical sensor.

Optical sensor for sensing hydrogen gas and hydrogen gas detection system including the same

Embodiments relate to a resonator including a graphene layer formed on a support, and a tapered fiber disposed around at least part of the support, close to the graphene layer, wherein the tapered fiber has different paths along which light travels in a region extending from one end and a region extending from the other end, and a passive-mode-locked pulse laser oscillation system including the same.

System for generating passive-mode-locked pulse laser at high repetition rate

The present disclosure provides an ultrasound probe, an ultrasound imaging apparatus, and a control method thereof that can efficiently and quickly determine whether a disinfectant remains in an ultrasound probe or whether the ultrasound is operating normally without changing the structure of an ultrasound imaging device. The ultrasound imaging apparatus of an embodiment includes: a display provided on the main body; a main body including at least one slot connected to the connector; and a controller configured to output a warning message to the display when the connector and the slot are connected and the current flowing from the ultrasound probe is out of a predetermined reference range, and the controller is composed of at least one processor included in the main body.

Ultrasound probe, ultrasound imaging apparatus and control method thereof

Embodiments relate to a noise suppressor for suppressing noise of an optical signal, including a core through which the optical signal travels, a clad that is wrapped around the core and configured to expose part of the core, and a graphene layer formed on the part of the core, and a digital optical signal generation system including the same.

Optical device for suppressing noise of laser using graphene

A system-on-chip (SoC) to perform a deadlock control on a processor of the SoC, the SoC including the processor including a plurality of central processing unit (CPU) cores, a first bus connected to the processor, a graphic processing unit (GPU) connected to the first bus, a memory controller connected to the first bus, a second bus connected to the processor, an isolation cell including a logic circuit configured to retain a signal value input to the processor according to an isolation signal, and a deadlock controller connected to the first bus and the second bus. The deadlock controller is configured to isolate the processor, which is in a deadlock state, from the first bus by applying the isolation signal on the isolation cell, and to extract, via the second bus, state information of the isolated processor in the deadlock state.

System-on-chip, mobile terminal, and method for operating the system-on-chip

Embodiments are directed to a method for manufacturing a graphene electro-optic modulator, which is freely attachable to and detachable from an optical waveguide and modulates a light according to an electric signal. The method includes: forming two metal electrodes on an oxide film formed on a substrate, the two metal electrodes being spaced apart from each other; synthesizing a first graphene film at a metal foil; coating the first graphene film with a polymer membrane; removing the metal foil at which the first graphene film is synthesized; and transferring the first graphene film coated with the polymer membrane onto the oxide film, wherein the first graphene film is electrically connected to any one of the two metal electrodes. There is also provided a graphene electro-optic modulator manufactured by the method.

Physically contactable graphene electro-optic modulator and method for manufacturing the same

Cleaner

A surface treatment method of an electronic device is provided. The surface treatment method includes processing a first pattern on a surface of a top mold and a second pattern on a surface of a bottom mold, coating a Ultra-Violet (UV) molding liquid on each of a front surface of a raw sheet material and the bottom mold facing a rear surface of the raw sheet material raw, positioning the raw sheet material between the top mold and the bottom mold, pressing the top mold and the bottom mold to each other, curing the UV molding liquid, and separating the raw sheet material from the top mold and the bottom mold and forming a print layer on the front surface and the rear surface of the raw sheet material.

Electronic device case and surface treatment method thereof

A system on chip (SoC) is provided. The system on chip includes a multiprocessor that includes multiple processors, a debugging controller that includes a debug port and retention logic configured to store an authentication result of a secure joint test action group system, and a power management unit configured to manage power supplied to the multiprocessor and the debugging controller. The power management unit changes the debug port and the retention logic into an alive power domain in response to a debugging request signal.

System on chip and secure debugging method

Washing machine

Door for washing machine

Growing community of inventors

Seoul, South Korea

Sungjae Lee