Samsung Electro-mechanics Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Korea Advanced Institute of Science and Technology

University of Seoul Industry Cooperation Foundation

The Catholic University of Korea Industry-academic Cooperation Foundation

Bifido Co., Ltd.

The Catholic University of Korea

University of Seoul Cooperation Foundation

Sung Hwan Park

Yu Sin Kim

Sang Wook Park

Sang Hee Kim

Sun Woo Yun

Ki Joong Kim

Jun Goo Won

Dong Hyun Baek

Hyung Sup Jung

Jae Hyouck Choi

Bo Hyun Hwang

Nam Heung Kim

Sang Hoon Ha

Mi La Cho

Da Hye Park

Seon Yeong Lee

Joo Yeon Jhun

Dae Hee No

Eun Kyung Kim

Tae Hyun Kim

Sang Jun Park

Jeong Hoon Kim

Ji Won Kim

Hyun Jun Kim

Jun Yeon Park

Chang Woo Chun

Chan Yong Jeong

Hong Seok Lee

Yun Ju Jeong

Nack Gyun Seong

Geun Eog Ji

Sung Ho Chae

Hyo Gun Bae

Yoshiyuki Tonami

Ji Hyeon Ju

Seung Ki Kwok

Jun Geol Ryu

Chul Woo Yang

Jong Young Choi

Min Jung Park

Youn Lea Kim

Su Kil Lee

Hyon Ha Lee

Joo Ha Lee

Sun Woo Lim

Jae Kyung Kim

Eun Jung Lee

Jae Yoon Ryu

Su Young Yang

A method of preparing an engine valve is provided. The method includes hot forging a heat resistant steel at 1,150 to 1,250&#xb0; C. to mold a valve, aging the molded valve and hollowed-out processing the aging valve. Additionally, the method includes nitride-heating the hollow valve and grinding a surface of a neck of the nitride-heated valve to remove a nitride layer.

Preparing method of engine valve

The present invention relates to an apparatus and method for detecting an oil spill by using a satellite image, an apparatus for detecting an oil spill by using a satellite image, the apparatus including: a satellite image reception unit configured to receive a satellite image of a predicted oil spill area; a satellite image correction unit configured to correct the satellite image by compensating for the influences of the atmosphere and waves; a spectral angle mapper image generation unit configured to generate a spectral angle mapper image; a spectral vector distance image generation unit configured to generate a spectral vector distance image; and an oil spill area detection unit configured to derive the range of the oil spill area by combining the spectral angle mapper image and the spectral vector distance image together.

Apparatus and method for detecting oil spill by using satellite image

Disclosed are a novelRAPO (Accession No.: KCTC 13773BP) and a composition for alleviating, treating or preventing rheumatoid arthritis containingRAPO (Accession No.: KCTC 13773BP) selected herein.

RAPO strain for alleviating, treating or preventing rheumatoid arthritis and composition containing the same

A system and a method for providing traffic information and includes: a database storing and managing traffic pattern information based on past traffic information; and a server that computes a real-time link entry time based on a real-time link speed received from a probe vehicle, corrects the traffic pattern information based on the real-time link speed and the real-time link entry time, and predicts and provide real-time traffic information based on the corrected traffic pattern information.

Traffic information service system and method

A bias circuit of an amplifying device including amplifying circuits and a bypass circuit responding to a first control signal, includes a first bias circuit, a second bias circuit, and a compensating circuit. The first bias circuit is configured to supply a first base bias voltage to a first amplifying circuit of the amplifying circuits in response to a second control signal. The second bias circuit is configured to supply a second base bias voltage to a second amplifying circuit of the amplifying circuits in response to a third control signal. The compensating circuit is connected to either one or both of the first bias circuit and the second bias circuit, and configured to vary an impedance in response to a fourth control signal, and compensate for either one or both of the first base bias voltage and the second base bias voltage based on the varied impedance.

Bias circuit and amplifying device with bias compensation function

A vehicle safety driving guidance system includes a communication device that performs communication with a vehicle terminal, a data collection device that collects traffic information of a road section on which a vehicle having the vehicle terminal mounted therein travels, and a processor that provides safety driving guide information of the road section based on the traffic information collected by the data collection device.

Vehicle safety driving guidance system and method

A power amplifier circuit includes a bias circuit and an amplifier circuit. The bias circuit includes a first bias circuit to receive a reference voltage and an operation voltage and generate a first bias signal, a bias supply circuit to transmit the base bias signal to a base of a power amplifier, based on the first bias signal input from the first bias circuit, a switching control circuit to transmit a switching signal after a preset delay time based on a driving start signal, and a switching circuit connected between an output node of the first bias circuit and a ground, to operate in an ON state after the delay time in response to the switching signal to form a current path between the output node of the first bias circuit and the ground.

Bias circuit and power amplifier circuit

A method of estimating land surface temperature lapse rate using an infrared image is disclosed. In the method of estimating land surface temperature lapse rate using an infrared image, a target area for the estimation of land surface temperature lapse rate is selected. The atmospheric transmittance of the target area is calculated. Reference temperature is estimated at a reference location set in the target area as desired. A temperature difference is calculated from the atmospheric transmittance and the estimated reference temperature, and then a temperature difference image is generated. Land surface temperature lapse rate is estimated from the temperature difference image and a Digital Elevation Map (DEM) in an identical area using an elevation-based temperature difference distribution.

Method for estimating land surface temperature lapse rate using infrared image

Disclosed herein are a method and apparatus for fusing a panchromatic image and an infrared image. The apparatus includes: an image acquisition unit configured to acquire a panchromatic image and an infrared image having the same coordinate system; a filtering unit configured to generate a low-frequency panchromatic image by performing low-frequency filtering on the panchromatic image, and to generate a high-frequency panchromatic image by subtracting the low-frequency panchromatic image from the panchromatic image; an image correction unit configured to generate a corrected high-frequency panchromatic image, to construct a linear regression equation, and to generate a corrected infrared image by using the constructed linear regression equation; a scaling factor determination unit configured to determine the ratio at which the panchromatic image and the infrared image are fused together; and a fused image generation unit configured to generate a fused image through multiplication and addition.

Method and device for fusing panchromatic image and infrared image

In a power control system for a green vehicle, whether a congested zone is present ahead is recognized using traffic information. When the congested zone is present, a remaining capacity of a main battery is recognized, and a required power amount required for passing through the congested zone is calculated. When the green vehicle reaches a power control point for the required power amount, charging of an auxiliary battery is stopped from the power control point to a start point of the congested zone, and the main battery is charged in a concentrated manner. When the green vehicle reaches the start point of the congested zone, the green vehicle is driven with power of the main battery. When the green vehicle reaches an end point of the congested zone, the auxiliary battery is charged.

Power control system and power control method for green vehicle

Provided is a composition for alleviating nephrotoxicity caused by an immunosuppressive drug, including metformin, and a composition for preventing or treating an immune disease, including the same. Further, the composition provided can be useful in improving a treatment effect on diseases requiring immunosuppression by effectively alleviating a decline in renal function caused due to side effects of conventional immunosuppressive drugs, and can also be useful in preventing or treating organ transplant rejection, autoimmune diseases, inflammatory diseases and the like since various methods of co-administering a conventional immunosuppressive drug and metformin are suggested to reduce nephrotoxic side effects of conventional immunosuppressive drugs and maximize immunosuppressive or immunomodulatory effects.

Composition for alleviating nephrotoxicity caused by immunosuppressive drug, comprising metformin, and composition for preventing or treating immune disease, comprising the same

A low noise amplifier circuit includes a first amplifier including a first transistor and a second transistor that are cascode-connected to each other; a second amplifier including a third transistor and a fourth transistor that are cascode-connected to each other; a source terminal matcher connected to a source of the first transistor and a source of the third transistor; and an input matcher providing input that is impedance-matched by a first inductor and a second inductor to a gate of the first transistor and providing input which is impedance-matched by the first inductor to a gate of the third transistor. The circuit is able to operate in a dual-band and provide impedance matching, while being simpler than alternative circuits.

Low noise amplifier circuit

The present invention relates to a switch circuit and a single pole double throw (SPDT) circuit. The switch circuit includes: a MOS transistor transferring or blocking a signal according to a turn on/off operation thereof; a gate resistor connected to a gate of the MOS transistor; and a variable gate resistor circuit increasing a resistance value of the gate resistor when the MOS transistor is changed from a turn-off state to a turn-on state.

Switch circuit and SPDT switch circuit

A traffic information providing system includes a traffic information collector configured to collect information on traffic flow. A traffic information generator is configured to detect a speed change point at which an average vehicle speed on a road changes based on the information on the traffic flow and to generate traffic information including position information on the speed change point and a target speed after a vehicle passes the speed change point. A traffic information provider is configured to transmit the traffic information to a vehicle controller for automatically controlling acceleration or deceleration of the vehicle based on the target speed.

System and method for providing traffic information

An apparatus and a method for operating a multimedia apparatus and performing wireless charging of a portable apparatus are provided. The apparatus includes: a communicator configured to perform a communication with a multimedia apparatus; a touch pad configured to generate an input signal according to an input generated from an external source; and a controller configured to verify an input position generated in the touch pad so that a point is displayed on a position of the multimedia apparatus that is identical to the position where the input is generated, and provide the verified input position to the multimedia apparatus.

Apparatus and method for operating multimedia apparatus performing wireless charging for portable apparatus

Growing community of inventors

Gyeonggi-do, South Korea

Sung Hwan Park