Samsung Electronics Co., Ltd.

Fairchild Korea Semiconductor Ltd.

Lg Electronics Inc.

Hyundai Motor Company

Deepqure Inc.

Seoul National University

Postech Research and Business Development Foundation

Maps, Inc.

Hewlett-packard Development Company, L.p.

Sung-Min Park

Tae-Kyung Kim

Hyun-su Hong

Kyong-Ha Park

Seung-won Lim

Keun-hyuk Lee

Hyun-Su Hong

Tae-Won Kim

Chang Wook Jeong

O-seob Jeon

Jae-myeon Lee

Bong Soo Kim

Jae-Myeon Lee

Je Min Park

Hyun-Ki Jung

Byoung-ok Lee

Gwi-gyeon Yang

Soon-Bae Yang

Ji-Heon Oh

Joo-sang Lee

Ji-heon Oh

Young-gil Kim

Se Myeong Jang

Gi-young Jeun

Sung-won Lim

Young Soo Kim

Yoosang Hwang

Kiseok Lee

Hui-Jung Kim

Sang Yun Park

Youn Ho Kim

Seung-Han Paek

Hui Sung Lee

Kwang Myung Oh

Sung Jin Sah

Jong-Tae Hwang

Sangyeon Han

Joon Rhee

Taehyun An

Hyun-Ick Shin

Chan-Gook Park

Hyungeun Choi

Joongchan Shin

Sang-O Jeon

Seung-Hyuck Shin

Ki-Woong Jin

Seung-Gweon Lee

Eunju Cho

Ik-Gyoo Song

Changkyu Kim

Iljae Shin

Ahram Lee

Vega Pradana Rachim

JinHyeok Baek

Kyong-ha Park

Jong-In Kim

Ho-Jin Jang

Jin-Hwa Hong

Provided is a catheter including a shaft having a distal end removably connected to a distal portion and a proximal end coupled to a holder; a loop disposed near the distal end and configured to curl around a tissue and receive, via the shaft, energy to denervate at least a portion of the tissue; a loop control disposed on a butt of the holder and configured to deliver a mechanical bending force to the loop. The loop includes at least a portion made of a shape-memory alloy whose shape changes at a critical temperature. In a first mode, the loop is configured to curl around the tissue at a first curvature at a temperature below the critical temperature by the mechanical bending force. In a second mode, the loop is configured to curl around the tissue at a second curvature at a temperature above the critical temperature.

Systems and methods for perivascular nerve denervation

Provided is a catheter including a shaft having a distal end and a loop disposed near the distal end and configured to curl around a tissue and receive, via the shaft, energy to denervate at least a portion of the tissue. The loop includes: a first film capable of bending to curl around the tissue; a plurality of electrodes disposed on the first film and arranged in parallel to each other with a predetermined distance; a sensor disposed at a position corresponding to a position between the plurality of electrodes.

An apparatus for estimating biological information of a user may include a light source configured to emit light to an object of the user; an image sensor comprising a pixel array, and configured to acquire successive image frames by detecting light scattered or reflected from the object of the user; and a processor configured to: select a predetermined number of pixel-rows from among pixel-rows of the image sensor, detect signal intensities in the predetermined number of pixel-rows for each image frame of the successive image frames, correct the signal intensities, combine the signal intensities for each image frame of the successive image frames based on correcting the signal intensities, acquire a photoplethysmogram (PPG) signal based on combining the signal intensities, and estimate the biological information of the user based on the PPG signal.

Apparatus and method for estimating biological information, and electronic device including the same

A three-dimensional semiconductor memory device includes first semiconductor patterns, which are vertically spaced apart from each other on a substrate, each of which includes first and second end portions spaced apart from each other, and first and second side surfaces spaced apart from each other to connect the first and second end portions, first and second source/drain regions disposed in each of the first semiconductor patterns and adjacent to the first and second end portions, respectively, a channel region in each of the first semiconductor patterns and between the first and second source/drain regions, a first word line adjacent to the first side surfaces and the channel regions and vertically extended, and a gate insulating layer interposed between the first word line and the first side surfaces. The gate insulating layer may be extended to be interposed between the first source/drain regions.

Three-dimensional semiconductor memory device

A method includes forming hard mask patterns by depositing a support mask layer, a polycrystalline silicon layer, and a hard mask layer on a substrate and etching the hard mask layer, forming pre-polycrystalline silicon patterns by etching the polycrystalline silicon layer using the hard mask patterns as an etch mask, oxidizing side surfaces of the pre-polycrystalline silicon patterns to form polycrystalline silicon patterns and a silicon oxide layer, forming spacer patterns covering sides of the silicon oxide layer, forming a sacrificial layer on a top surface of the support mask layer to cover the silicon oxide layer and the spacer patterns, etching the sacrificial layer and the silicon oxide layer, forming support mask patterns by etching the support mask layer using the polycrystalline silicon patterns and the spacer patterns as an etch mask, and forming activation pins by etching the substrate using the support mask patterns as an etch mask.

Method of manufacturing semiconductor device

A dual band wireless power reception unit is disclosed. The wireless power reception unit according to one embodiment comprises: a first resonator; a second resonator connected to the first resonator in parallel; a single rectifier having, as an input, a node in which outputs of the first resonator and the second resonator are connected to each other in parallel; at least one switch having a first output, a second output, and an input, wherein the second output is connected to the ground; at least one capacitor connected to the second resonator in parallel, and of which one terminal is connected to the first output of the switch and the other terminal is connected to the rectifier input; and a frequency sensor sensing an input frequency from the rectifier input, and of which an output is connected to the input of the switch.

Dual band wireless power reception unit

Context recognition methods and apparatus are provided for an application processor and a micro control unit. It is determined whether an operation switch condition for switching to a sleep mode is satisfied. A request for execution of a context recognition function is sent to a micro control unit, when the operation switch condition is satisfied. The application processor switches to the sleep mode, when the context recognition function is executed by the micro control unit. The micro control unit collects sensor data at previously stored time intervals, and previously stored state information is updated based on the sensor data.

Context recognition apparatus and method

A low power detection apparatus and a method for displaying information are provided. When a low power manager drives a proximity detection sensor to generate a proximity interrupt in a state within which the portable terminal is in an idle state, the low power manager drives a motion detection sensor and determines a motion of the portable terminal for a preset time. When there is no motion of the portable terminal for the preset time, the low power manager generates proximity data for displaying screen information and then transmits the generated proximity data to an application processor so as to display screen information which the user desires with low power.

Low power detection apparatus and method for displaying information

A power semiconductor module may include a first device and a second device spaced apart from the first device at a predetermined interval. A first assembling terminal is fixedly disposed between the first device and the second device to be a first connection terminal. A second assembling terminal is fixedly assembled to contact outer surfaces of the first device and the second device to be a second connection terminal.

Power semiconductor module and method for manufacturing the same

An acoustic sensor apparatus mounted to a medium is disclosed. The acoustic sensor apparatus includes: a sensor unit processing an input acoustic signal; and a housing including a body unit having an accommodation groove in which the sensor unit is accommodated, a cap unit formed to close an opening of the accommodation groove, and a coupling unit formed to mechanically couple the body unit or the cap unit to a medium.

Acoustic sensor apparatus

A method and apparatus for detecting location information using a navigation algorithm are provided. The method includes searching for neighboring Global Positioning System (GPS) satellites, receiving, if at least one GPS satellite is detected, pseudo-range information from at least one of the detected GPS satellites and storing the received pseudo-range information, calculating a displacement of a pedestrian terminal based on step detection of a pedestrian, correcting the calculated displacement of the pedestrian terminal using the received pseudo-range information, and measuring the location of the pedestrian terminal is measured using the corrected displacement.

Apparatus and method for detecting location information using navigation algorithm

Provided are a power device package coupled to a heat sink using a bolt and a semiconductor package mold for fabricating the same. The power device package includes: a substrate; at least one power device mounted on the substrate; a mold member sealing the substrate and the power device; and at least one bushing member fixed to the mold member to provide a through hole for a bolt member for coupling a heat sink to the mold member.

Power device package and semiconductor package mold for fabricating the same

Growing community of inventors

Seoul, South Korea

Sung-Min Park