Korea Institute of Science and Technology

Creamo Inc.

Center for Advanced Meta-materials

Taikjin Lee

Chulki Kim

Seok Pil Lee

Jae Hun Kim

Minah Seo

Young Min Jhon

Jaehun Kim

Sun Ho Kim

Deok Ha Woo

Deokha Woo

Beomju Shin

Yongsang Ryu

Young Tae Byun

Jeong Hun Shin

Won Kyo Jeong

Seong Chan Jun

Min Ah Seo

Jong Chang Yi

ChaeHyun Lim

Taehun Kim

Sanghun Lee

Sang-Hun Lee

Suk Woo Nam

Seok Hwan Kim

Sang Wook Han

Hyun Seo Park

Chang Won Yoon

Sang Kyung Kim

Hyoungseok Kim

Jungho Lee

Yong-Sang Ryu

Eui-Sang Yu

Yu Kyeong Kim

Young In Jhon

Sangrok Oh

Byunghyuck Moon

Hyunduk Kim

Yong-Joon Park

Jaebin Choi

Ju Yeong Oh

Hyunsoo Chung

Hyun Seok Song

Youngmin Jhon

Joo-Hiuk Son

Ki Ho Park

Soo Jung Hur

Byeong Ho Park

Min-Jun Choi

Hyunseok Song

Young In John

Kyungsun Moon

Youngchul Chung

Hyuk Jae Lee

Boseon Yu

Jin Wook Jeoung

Jaewon Bang

Yeong Jun Kim

Hui Dong Yang

Jun Hyong Cho

Young Mo Jung

JuYoung Lee

Changsu Yu

Seungwoo Jeon

Kayoung Kim

Chuwon Nho

Taeksung Lee

Manjae Kwon

Jungseok Yang

Juyeon Lee

Junwoo Park

The present disclosure relates to a method for performing vehicle position recognition using a geomagnetic sensor by calibrating the geomagnetic sensor on the basis of a geomagnetic sensor value stored in a database in advance before entrance to an area in which position recognition through a GPS is impossible. Thus, it is possible to accurately detect a position of a vehicle using the geomagnetic sensor even in a structure such as a tunnel.

Method for recognizing vehicle location using geomagnetic sensor

One aspect of the present disclosure is a method for selective surface functionalization using a single-photon source. The method for selective functionalization using a single-photon source includes: (a) adding a single-photon source to a solution containing a photosensitizer and a monomer; and (b) emitting a single photon from the single-photon source. One aspect of the present disclosure is a selectively functionalized single-photon source prepared by the method.

Method for surface functionalization using single photon source

Provided is a high efficiency and high sensitivity particle capture type terahertz sensing system. The particle capture type terahertz sensing system includes a sensing substrate to capture particles, and a terahertz sensor to emit terahertz electromagnetic waves to the sensing substrate to sense the particles, wherein the sensing substrate includes a base substrate and a particle capture structure layer formed on the base substrate, the particle capture structure layer includes a plurality of slits for focusing the terahertz electromagnetic waves, the particle capture structure layer captures the particles in the plurality of slits using dielectrophoresis, and an area in which the terahertz electromagnetic waves converge to the plurality of slits matches an area in which the particles are captured in the plurality of slits through the dielectrophoresis.

High efficiency and high sensitivity particle capture type terahertz sensing system

The present invention relates to integrated localization method and apparatus of high accuracy, and estimates a relative position of a moving node, based on motion sensing of the moving node, estimates an absolute position of the moving node, based on a change pattern of at least one signal strength received from at least one fixed node over a plurality of time points, calculates accuracy of the absolute position of the moving node that changes along a movement route of the moving node, and determines a current position of the moving node from at least one of the relative position and the absolute position estimated as such in accordance with the accuracy of the absolute position of the moving node. Accordingly, it is possible to accurately estimate a position of a moving node using a radio signal which not only accurately estimates the position of the moving node even in a change of wireless environment or various route changes but also has almost no change in signal strength over a wide region.

Integrated localization method and apparatus of high accuracy robust to route change

The present invention relates to SLAM (simultaneous localization and mapping) method and apparatus robust to a wireless environment change. A relative position of a moving node is estimated based on motion sensing of the moving node, the relative position of the moving node is corrected based on a comparison between a change pattern of at least one signal strength received over a plurality of time points and a signal strength distribution in a region in which the moving node is located, a route of the region is represented by using the relative position corrected as described above, and thereby, it is possible accurately estimate a position of the moving node and to create a map in which very accurate route information is recorded throughout the entire region at the same time, even if a wireless environment change such as signal interference between communication channels, expansion of an access point, and occurrence of a failure or an obstacle is made or a poor wireless environment such as lack of the number of access points occurs.

Slam method and apparatus robust to wireless environment change

One embodiment of the present invention provides an optical imaging apparatus using a metamaterial including a metamaterial array sensor which includes a plurality of unit cells made of a metamaterial and is positioned adjacent to an observation object, an imaging beam providing unit which provides an imaging beam toward the metamaterial array sensor, a control beam providing unit which controls a control beam provided to the unit cell to block the imaging beam incident on the unit cell, and an imaging beam measuring unit which measures a unit cell imaging beam transmission amount passing through the unit cell by measuring an imaging beam transmission amount of the metamaterial array sensor when the imaging beam passes through the unit cell and an imaging beam transmission amount of the metamaterial array sensor when the control beam is focused on the unit cell to block the imaging beam incident on the unit cell.

Optical imaging apparatus using metamaterial and optical imaging method using metamaterial

Provided are a saturable absorber including at least one material selected from a group of MXenes, and a Q-switching and mode-locked pulsed laser system using the same.

Saturable-absorber-based laser system

The present invention relates to wireless localization method and apparatus of high accuracy, and measures strength of at least one signal that is transmitted from at least one fixed node, estimates a relative position of a moving node, generates a change pattern of at least one signal strength according to relative changes in positions of the moving node over a plurality of time points from at least one signal strength and the relative position of the moving node, and estimates an absolute position of the moving node, based on a comparison between the change pattern of the at least one signal strength and a map of a distribution pattern shape of signal strength in a region where the moving node is located. Accordingly, it is possible to accurately estimate a position of a moving node using a radio signal which not only accurately estimates the position of the moving node even in a change of wireless environment but also has almost no change in signal strength over a wide region.

Method and apparatus for wireless localization of high accuracy

An assembly unit includes side plate having first coupling member on first side, second coupling member on second side, and third coupling member on each of third and fourth sides, top plate including fourth coupling member and top stud, and bottom plate including fifth coupling member and bottom stud. The first coupling member is engaged with the second coupling member of neighboring side plate. The fourth coupling member is engaged with the third coupling member. The fifth coupling member is engaged with the third coupling member. The first coupling member includes protrusion. The second coupling member includes groove. The protrusion is fitted into the groove of the neighboring side plate. The third coupling member includes thread. Each of the fourth and fifth coupling members includes thread. The fourth and fifth coupling members are engaged with the third coupling member in a screwed manner using the threads.

Assembly unit for toy assembly block

A smart toy platform includes a body including a top part, a bottom part, and a plurality of side parts, a function unit coupled to at least one of the plurality of side parts an application unit arranged in the body and to control an operation of the function unit, a base unit arranged in the body and to provide an application support function to the application unit, and a power supply unit configured to supply electric power to at least one of the function unit, the application unit, or the base unit. The function unit is coupled to the at least one of the plurality of side parts on an inner side or an outer side, across the inner side and the outer side, or an integrate manner.

Smart toy platform

The present invention relates to an unmanned aerial vehicle system having a multi-rotor type rotary wing. The unmanned aerial vehicle system having a multi-rotor type rotary wing includes a first unmanned aerial vehicle, at least one second unmanned aerial vehicle, and a bridge that connects the first unmanned aerial vehicle and the at least one second unmanned aerial vehicle to be separable from each other, wherein the at least one second unmanned aerial vehicle is moveable by the first unmanned aerial vehicle in a state where the at least one second unmanned aerial vehicle is coupled to the first unmanned aerial vehicle by the bridge without being driven, and the at least one second unmanned aerial vehicle is separable from the first unmanned aerial vehicle which is in flight.

Unmanned aerial vehicle system having multi-rotor type rotary wing

An apparatus for sensing biomolecules includes: a storage in which a solution containing a target material is received; a sensor configured to sense the target material; and a flow controller connected between the storage and the sensor to supply the solution to the sensor, wherein the flow controller controls a solution flow to supply the solution containing the target material and the solution containing no target material in an alternating manner. According to the apparatus for sensing biomolecules, the sensing device always achieves a sensing offset, and consequently, long-term continuous measurement is enabled, leading to the maximized usage efficiency of the sensor, and the value of quantitative measurement can be obtained with high precision.

Apparatus and method for sensing biomolecules which allows restoration of sensing offset

A system for adjusting transmittance, according to the present disclosure, includes a sensing device configured to amplify electromagnetic waves of a specific frequency and a squeegee configured to concentrate a target material inside a slot formed in the sensing device. A transmittance of the sensing device is adjusted according to concentration of the target material concentrated inside the slot by the squeegee.

System and method for adjusting transmittance for supersensitive optical sensor

The present disclosure discloses a double trigger type single pulse laser apparatus configured to suppress additional pulses to increase single pulse energy and improve stability of output as compared to a conventional single trigger type single pulse laser apparatus. According to the present invention, there is provided a single pulse laser apparatus including a resonator which has a first mirror, a second mirror, a gain medium, an electro-optic modulator and an acousto-optic modulator configured to respectively perform Q-switching and mode-locking, the single pulse laser apparatus including a first photodiode configured to measure a laser beam oscillated by the resonator.

Single pulse laser apparatus using double trigger

A metamaterial for an electromagnetic wave filter includes a substrate; and a film disposed on the substrate and having a set of slots arranged to form a rotationally symmetric pattern, which is patterned in an intaglio shape, or a set of structures arranged to form a rotationally symmetric pattern, which is patterned in an embossed shape, to control a transmission rate according to polarization of an electromagnetic wave incident on the film. The set of slots or the set of structures have an array angle that is determined such that the transmission rate and a reflectivity thereof have constant values according to the polarization of the electromagnetic wave incident on the film, and have a chloroplast molecular structure pattern in which the set of slots or the set of structures are arranged in pentagonal and hexagonal shapes.

Metamaterial for electromagnetic wave filter

Growing community of inventors

Seoul, South Korea

Taikjin Lee