Electronics and Telecommunications Research Institute

Korea Telecommunication Authority

Lg Display Co., Ltd.

Abd Korea Telecommunications Authority

Young Sun Kim

Hyun Seo Kang

Hyoung Jun Park

Young Soon Heo

Jeong Eun Kim

Keo Sik Kim

Eun Kyoung Jeon

Sung Chang Kim

Ji Hyoung Ryu

Mun Seob Lee

Kwon-Seob Lim

Kwon Seob Lim

Byung-Tak Lee

Byung Tak Lee

Nac Woo Kim

Byung Sun Lee

Hark Yoo

Geun Yong Kim

Chan Il Yeo

In Hee Shin

Keo-Sik Kim

Dong Hoon Son

Sim-Kwon Yoon

Nack Woo Kim

Chan H Yoo

Dong Soo Lee

Hae Won Jung

Jai Sang Koh

Gi Hyeon Min

Young Suk Lee

Jin Ho Hahm

Hee Seung Kim

Byung Chun Jeon

Jong Hyup Lee

Hong Yeon Yu

Mi Sun Do

Dae Won Choi

Jae Hoon Kim

Chie Teuk Ahn

Jun Hwa Lee

Hyeong Ho Lee

Dongsoo Lee

Tae Il Kim

Jong Jin Lee

Yoo Hwa Kang

Cheon Soo Kim

Heyung Sub Lee

Hong Sun Park

Joo Myoung Seok

Seong Yong Lim

Hong Soon Nam

Song In Choi

Dong-Beom Shin

Youngsuk Lee

Seung Hee Kim

Bheom Soon Joo

Sei Hyoung Lee

Hyoungjun Park

Chung Kook Lee

Wang Bong Lee

Moon Kyun Oh

Woo Seop Rhee

Mi S Han

Jaisang Koh

Myung Hee Son

Sim Kwon Yoon

Hyun Yong Lee

Sang Ha Kim

Mi Jung Yang

Jae Hoon Yu

Seung Hun Oh

Seon M Hong

Yong B Kim

Go B Choi

Chi M Han

Seok Kap Ko

Chang Whan Oh

Seung Chul Son

Chun Kwan Park

Jae Jeong Lee

Seunghwan Kim

Hyung Ok Lee

A mixed reality content providing apparatus is disclosed. The mixed reality content providing apparatus may recognize an OOI included in a 360-degree VR image to generate metadata of the OOI and may provide a user with mixed reality content where the metadata is overlaid on the 360-degree VR image.

Apparatus and method for providing mixed reality content

Provided is an endoscopic apparatus for thermal distribution monitoring, and more particularly, an endoscopic apparatus for thermal distribution monitoring that is capable of providing a functional image in which various images such as a real image and a thermal image, are matched to one another. The endoscopic apparatus includes: an image collecting unit including a thermal image collecting unit collecting a thermal image from an image signal of an object and a real image collecting unit collecting a real image from the image signal of the object; a controller transmitting a control signal to the image collecting unit so as to transmit the image signal to one of the thermal image collecting unit and the real image collecting unit according to a preset period; and a display displaying the collected thermal image and real image.

Endoscopic apparatus for thermal distribution monitoring

Provided is a micro robot position detection device. The device includes a micro robot position detection unit that uses a micro robot control parameter to filter a reflected signal of an ultra wide-band impulse radar signal emitted to a micro robot to extract, as a micro robot signal, a natural oscillating frequency signal generated when the micro robot is driven through control of external electromagnetic field, and analyzes the micro robot signal based on a transmission and reception parameter of the ultra wide-band impulse radar signal to calculate position information for the micro robot. Also, the device may further include an image matching unit that receives position information for the micro robot and performs position correction on the received position information based on pre-stored reference image data and the image data.

Method and device for detecting position of micro robot using ultra wide-band impulse radar signal

There are provided an image processing device and a processing method thereof. The image processing method includes obtaining an interference signal using a sample beam and a reference beam, transforming the interference signal by using a numerical signal processing method or an intensity mixing method to generate a transformed interference signal, and obtaining a three-dimensional (3D) phase image by using the interference signal and the transformed interference signal.

Image processing device and processing method thereof

Disclosed are a power supply unit and a display device including the same, which prevent a source drive IC from being damaged by a supply reversal between a VDD voltage and an HVDD voltage. The power supply unit may include a first voltage generator that generates a first voltage and a first voltage line connected to the first voltage generator for supplying the first voltage to a plurality of first source drive ICs of the display panel. A second voltage generator is included that generates a second voltage, and a second voltage line is connected to the second voltage generator for supplying the second voltage to a plurality of second source drive ICs of the display panel. The power supply unit may further include a diode circuit that includes at least one diode connected between the first voltage line and the second voltage line.

Power supply unit and display device including the same

Provided are a multi-channel optical subassembly structure allowing an optical unit including a light source photodetector chip to be fixed through an alignment jig after active alignment is performed on an individual or single light source photodetector chip by using the alignment jig capable of electrical coupling and one electrode pad and the other electrode pad of a thermoelectric element, which are wire-bonded, capable of performing active alignment for each light source photodetector chip, that is, for each channel, capable of replacing the optical unit and the alignment jig when a problem occurs in some or all channels, capable of improving optical coupling efficiency for each channel, and capable of addressing a time-consuming and economically expensive work in which an optical subassembly is discarded when some channels fail, and a method of packaging the structure.

Multi-channel optical subassembly structure comprising an alignment jig and method of packaging the structure

An imaging sensor includes at least one fiber Bragg grating for filtering an image from a subject for wavelength bands, and an imaging device for converting an image transmitted through the fiber Bragg grating into a digital signal.

Imaging sensor with Bragg filter and method of manufacturing the same

Disclosed herein are an astral lamp device having detachable and angle-controllable LED module blocks and a method of setting the same. The astral lamp device having detachable and angle-controllable LED module blocks, includes a plurality of LED module blocks having one end attached to and disposed on a central frame; and an angle control part configured to control an angle of the LED module block attached to the central frame.

Astral lamp device having detachable and angle-controllable LED module blocks and method of setting the same

Provided is a multi-channel optical subassembly. The multi-channel optical subassembly includes a first sub-mount including first and second areas having different thicknesses, a photoelectric device provided in the first area, a circuit board provided in the second area, a second sub-mount inserted into and fastened to the first guide hole and coupled to the first sub-mount, an optical fiber array fixed to the second sub-mount to provide a path through which light emitted from the photoelectric device is received or transferred, and a micro-lens array mounted on the second sub-mount. The first guide hole is provided in one of the first and second areas. The micro-lens array includes a lens collecting the light between the photoelectric device and the optical fiber array.

Multi-channel optical subassembly and method of manufacturing the same

Provided herein is an optical module including: an optical receptacle including a first lens and a second lens; a lens module including a lens unit facing the second lens of the optical receptacle; and an optical element configured to receive a beam emitted from the lens module or form a beam to be emitted to the lens module. A horizontal length and a vertical length of a cross-section of the first lens may differ from each other, and a horizontal length and a vertical length of a cross-section of the second lens may differ from each other.

Wavelength division multi-channel optical module and manufacturing method thereof

An optical wavelength and optical power measurement device is provided. The optical wavelength and optical power measurement device includes: an input unit in which an optical connector that emits communication light of an infrared ray wavelength region is connected; a filter unit that separates the communication light of an infrared ray wavelength region and light of a visible ray wavelength region; a sensing unit that communicates with a path of the communication light of an infrared ray wavelength region of the filter unit and in which a signal of the communication light of an infrared ray wavelength region is input; and an inspection unit that communicates with a path of the light of the visible ray wavelength region of the filter unit and that inspects a surface of the optical connector.

Optical wavelength and power measurement device

Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data.

Apparatus for video processing and method for the same

Disclosed are a bidirectional optical transceiver module and a method of aligning the same. The bidirectional optical transceiver module includes: a package having on one side a cavity; a platform mounted on the package; a transmitter which generates output light; a holder which includes the horizontal portion having the through-hole and disposed on the package to cover the cavity, and the vertical portion which has the inclined surface on one side and the connection hole connected to the through-hole; a receiver which generates an electric signal that corresponds to input light incident into the cavity; and a WDM filter that delivers the output light and the input light.

Bidirectional optical transceiver module and method of aligning the same

Provided is an apparatus that measures a thickness of a coating by selecting a wavelength of a laser based on a color of the coating using a contactless method using a photoacoustic effect and an interferometer, the apparatus including a pulsed laser source to irradiate a pulsed laser beam toward the coating, a continuous wave (CW) laser source to irradiate a CW laser beam toward the coating, a detector to detect an optical interference signal corresponding to the CW laser beam, and a signal processor to process the optical interference signal to calculate a thickness of the coating.

Wavelength-selectable coating thickness measurement apparatus

Disclosed are a key managing system and method for sensor network security. The key managing system includes a secret key transmitter configured to transmit a portion of a secret key map, stored in a node, to a correspondent node, and transmit the secret key map of the node to the correspondent node by using the transmitted portion of the secret key map and an authenticator configured to acquire a trust level of the correspondent node which indicates a ratio of a total size of the secret key map of the node and a size of the secret key map transmitted to the correspondent node, compare the acquired trust level of the correspondent node and a threshold value, and authenticate the correspondent node and a message acquired from the correspondent node by using the comparison result.

Key managing system and method for sensor network security

Growing community of inventors

Daejeon, South Korea

Young Sun Kim