Samsung Display Devices Co., Ltd.

Dongbu Hitek Co., Ltd.

Viavi Solutions Inc.

Coway Co., Ltd

Woongjin Coway Co., Ltd

Kt Corporation

Korea University Research and Business Foundation

Db Hitek Co., Ltd.

Sogang University Research Foundation

Hyosung Advanced Materials Corporation

Hanwha Compound Corporation

Hanmin Automotive Trim Industry Co., Ltd.

Jong-Min Kim

Jung-Hwan Lee

Jin-Ook Kim

Eng Wei Koo

Byung-Kuk An

Jin-Seong Ka

Eduardo Inzunza

Ho-Dong Nam

Se-Young Eun

Jung-Hoon Park

Han-Soo Kim

Han-soo Kim

Joe Chou

Jae-Hyun Yoo

Eun-Kyung Lee

Jae-Gab Lee

Hyung-Tae Kim

Chan-Jung Park

Jong-Sung Park

Kyung-Hwan Lee

Jin-Hyung Lee

Young-Chai Ko

Hyun-Jin Hong

Dae-Yoon Chi

Young-Hoon Hong

Gyeong-Min Lee

Jae-hyun Yoo

Nam-sin Park

Byoung-Se Lee

Hyun-Seok Moon

Kyu-Jun Kim

Tae-Kyung Kang

Hee-Seup Kil

Dong-Min Oh

Hyuck-In Kwon

Chan-Ho Park

Yoo-Chul Shin

Young-Kwang Choi

In-Gyue Choi

Won-Jin Seo

Won-Sik Choo

Young-Hwan Yoon

Byoung-Chul Park

Seok-Woong Han

Cheol-Soo Lee

Eun-Young Heo

Nam-Chil Moon

Kyong-Tae Chu

Gyu-Gwang Sim

Jin-Ho Hwang

Young-Kill Kim

Ju-hyung Lee

Chang-Mo Seong

Sang-Rae Song

Methods and systems for adjacent channel leakage ratio (ACLR) measurement in a cellular network are provided by creating a measurement timing for a symbol or signal transmitted from a base station of the cellular network in an allocated frequency band, measuring power levels of the signal in the allocated frequency band based on the created measurement timing, and measuring power levels in adjacent bands based on the created measurement timing, and deriving the ACLR measurement from the measured power levels in the allocated frequency band and the measured power levels in the adjacent bands.

Over the air adjacent channel leakage ratio (ACLR) measurement

Disclosed is an apparatus based on wireless optical communication, which may include: a light source outputting light; an optical circulator outputting the light in at least one direction; a collimator converting and outputting the light output through the optical circulator into a parallel beam; an optical regulator reflecting the light converted into the parallel beam, and transferring the reflected light to an external apparatus, and receiving the reflected light from the external apparatus, the reflected light being light output by reversely reflecting the light by the external apparatus; an optical detector converting the reflected light into an electric signal to generate an optical signal; and a controller analyzing the optical signal and acquiring an intensity of the reflected light, and calculating central coordinate information of the external apparatus based on the intensity value of the reflected light.

Apparatus based on wireless optical communication

A test device may be a portable test device that can perform over the air measurements to determine synchronization errors between clusters in a cellular network. The test device can generate a graphical user interface that can show a map of the boundary area between clusters, locations of base stations hi the boundary area, locations where over the air measurements were taken by the test device, an indication of whether cells are in synchronization for each measurement location, and a table of actual measurements and derived parameters pertaining to cell phase synchronization, interference and other performance metrics.

Test device for measuring synchronization errors between clusters in a cellular network

An ESD protection device () is disclosed. More particularly, the ESD protection device is configured so that a gate electrode () and a capacitor electrode () electrically connected to a drain region () are spaced apart from each other by a preset distance, and partially or entirely overlap each other, thereby increasing a capacitance (Cgd) between the gate electrode and the drain region.

ESD protection device and manufacturing method thereof

A device may receive a beamformed wireless signal from a base station. The device may perform a frequency conversion of the beamformed wireless signal to form a frequency converted signal after receiving the beamformed wireless signal. The device may perform, after performing the frequency conversion, processing related to at least one of: analyzing the frequency converted signal, scanning a channel associated with the frequency converted signal, or generating a map related to the frequency converted signal. The device may generate, after performing the processing, output related to at least one of: the analyzing the frequency converted signal, the scanning the channel, or the generating the map.

Processing a beamformed radio frequency (RF) signal

Disclosed herein is a method for manufacturing a sound insulation material, a sound insulation material manufactured using this manufacturing method, and a carpet for a vehicle using the sound insulation material, and the sound insulation material is manufactured using a composite resin composition including 30 parts by weight to 70 parts by weight of aluminum oxide, 10 parts by weight to 20 parts by weight of nanoclay, 0.2 parts by weight to 0.8 parts by weight of an antioxidant, and 0.1 parts by weight to 0.5 parts by weight of a lubricant, with respect to 100 parts by weight of a base resin including PE, and the carpet for a vehicle is manufactured by coating the sound insulation material on a carpet fabric material and drying the result.

Method for manufacturing sound insulation material, sound insulation material manufactured using the method and carpet for vehicle using the same

An ice storage includes a storage body having a storage space for storing ice and a discharge port for discharging ice to the outside, a transferring and breaking part which, by having at least a part thereof provided in the storage space, transfers the ice in the storage space to the discharge port, and if necessary, breaks the transferred ice, and a door part allowing the ice to be discharged through the discharge port as unbroken ice or broken ice unbroken or broken up by the transferring and breaking part. The transferring and breaking part includes a transferring member for transferring ice and a breaking member for breaking ice, and the transferring member and the breaking member are configured such that ice is not stuck therebetween while being transferred.

Ice storage

An air purifying unit in which leakage of air flowing between a filter and a blowing fan is significantly reduced, and an air cleaning/ventilation device including the same, are provided. In addition, there are an air cleaning/ventilation device detachably installed in a window, used as a ventilation device, and used as an indoor air cleaning device.

Air purifying unit and air cleaning/ventilation device comprising same

There is provided a control method of an in-house device using a control kit having a communications unit communicating with the in-house device and an interface unit, including: the control kit receiving state information including product information regarding the in-house device from the in-house device; the control kit displaying the received state information through the interface unit; the control kit receiving information regarding alteration in the state information regarding the in-house device through the interface unit; and the control kit transmitting the received information regarding the alteration in the state information to the in-house device, wherein the product information regarding the in-house device includes one or more of a product identification number, a product name, a production configuration block diagram, and a product operation setting value of the in-house device.

Control method of an in-house device using a control kit and control method for a water purifier using a control kit

A washing method of a water treatment apparatus is provided. The washing method includes a wash water inflow operation in which wash water flows into circulation members, and a circulation washing operation in which a circulation modulation circulates the wash water through passages of the water treatment apparatus.

Washing device for water treatment apparatus and washing method thereof

A washing device for a water treatment apparatus is provided. The washing device includes circulation members connected to passages of the water treatment apparatus to circulate wash water through the passages of the water treatment apparatus, a circulation module connected to the circulation members for circulating the wash water through the passages of the water treatment apparatus, with the circulation members thereby washing the passages of the water treatment apparatus, a drainpipe connected to the circulation members, a passage switching unit connected to a portion where the circulation members are coupled to the drainpipe to switch passage of the wash water, and a circulation pump connected to the circulation members to selectively circulate the wash water in the connection pipes through the drainpipe or the passages of the water treatment apparatus.

Described embodiments provide for controlling a plurality of virtual machines in a cloud computing system. At least one virtual storage allocated to the plurality of virtual machines may be monitored. Based on the monitoring result, a virtual storage in a service unable state may be detected among the monitored at least one virtual storage. A virtual machine associated with the detected virtual storage may be temporarily interrupted.

Controlling virtual machine in cloud computing system

Method and apparatus for synthesizing an F-18 labeled radioactive pharmaceutical by labeling a precursor with an F-18 radioactive isotope, by reacting the labeled precursor to obtain a labeled pharmaceutical, by separating impurities from the labeled pharmaceutical to provide a purified labeled pharmaceutical, and by collecting the purified labeled pharmaceutical. The apparatus includes a labeling cartridge that contains the precursor, receives the isotope, and causes a labeling reaction to provide the labeled precursor; a synthesizing container that receives the labeled precursor, receives at least one reagent effective to hydrolyze the labeled precursor, and within which the labeled precursor undergoes a hydrolysis reaction to provide the labeled pharmaceutical; and a separation cartridge that receives the labeled pharmaceutical, and contains a polymer compound that separates impurities into polar compounds and nonpolar compounds to provide the purified labeled pharmaceutical. The labeling and separation cartridges may be contained in a removable cassette.

Apparatus and method for synthesizing F-18 labeled radioactive pharmaceuticals

Growing community of inventors

Seoul, South Korea

Jong-Min Kim