Cj Cheiljedang Corporation

Db Hitek Co., Ltd.

Korea Institute of Industrial Technology

Arkema France

Amkor Technology, Inc.

Samsung Medison Co., Ltd.

Sang Mok Lee

Joon Tae Jang

Seung Hoo Kim

So Young Kim

Sung Kwang Son

Yong Uk Shin

Hyun Ah Kim

Chang Il Seo

Kwang Ho Na

Sung Hoo Jhon

In Kyung Heo

Ju Eun Kim

Han Jin Lee

Aharon Eyal

Jun Young Jung

Youn Jae Lee

Je Sik Shin

Sun Young Lee

So-Young Kim

Min Ho Jung

Hyung Joon Kim

Da Eun Kim

Soon Won Hong

In Seok Hwang

Jung Min Kim

Jin Hwa Chang

Jeung Yil Park

Sun Joo Moon

Georges Fremy

Hyang Choi

Sung Su Park

Sun Mi Park

Il Chul Kim

Young Rae Kim

Hyun Jong Kim

Patrice Barre

Hyo Jeong Byun

Young Cheol Lee

Hong Gyo Lee

Peter Lee

Song Gi Ryu

Young Ran Kim

Yoon Hee Chung

Hyun Koo Nam

Kyung Han Ryu

Seung Hyun Kou

Hyun Sup Jung

Won Suk Park

Ji Eon Kim

Geun An Lee

Li Yan Jin

Eung Zu Kim

Jong Sup Lee

Byoung Moon Mon

Ki Ho Jung

Keoung Hwa Lee

Kyong Whoan Lee

Disclosed is a low-voltage detection floating N-well bias circuit. The circuit includes a power detector configured to detect states of first power (VDD) and second power (DVDD) at different power levels; a switch configured to perform a switching operation according to the states of the first power (VDD) and the second power (DVDD); and a voltage output circuit configured to output the first power (VDD) or the second power (DVDD) as an N-well bias voltage according to the states of the first power (VDD) and the second power (DVDD) and the switching operation of the switch. Accordingly, when the first power (VDD) and the second power (DVDD) are supplied and the second power (DVDD) has a low voltage state, the floating N-well bias circuit can continuously bias an N-well with the second power (DVDD), without dropping the second power (DVDD).

Low voltage detection floating N-well bias circuit

An input/output circuit for a memory and a method of controlling the same are disclosed. The input/output circuit and the method of controlling the same are configured to prevent a memory element from being falsely or incorrectly programmed due to an ESD pulse. More particularly, the input/output circuit and the method of controlling the same include an ESD detection unit configured to detect a programming voltage or an ESD pulse on a pad terminal, a control logic unit configured to transmit a first voltage or a second voltage according to the programming voltage and the ESD pulse, and a switch unit configured to perform a turn-on or turn-off operation according to the first voltage or the second voltage.

Input/output pad suitable for memory and method of controlling same

An ultrasound diagnostic apparatus according to a disclosed embodiment comprises: a recognition information receiver for receiving recognition information from a probe; an input device for receiving a selection signal for the probe from a user; a probe select assembly (PSA) board including a connection module which is capable of mounting a probe connection module and a printed circuit board (PCB) which can electrically be connected to the probe connection module; and a controller for controlling the PSA board such that the probe connection module is connected to the PCB on the basis of the selection signal, and for controlling the probe on the basis of the connection between the probe connection module and the PCB.

Ultrasound diagnostic apparatus and method for controlling ultrasound diagnostic apparatus

An electrostatic discharge (ESD) protection circuit includes an ESD detector connected between a pad and a first power source and configured to generate a detection signal when ESD is detected at the pad, a switch transistor including a gate controlled by the detection signal and a source and a drain connected between the pad and the memory, and a leakage current prevention circuit including a first transistor including a first gate connected to a second power source and a source and a drain connected between the pad and a first node, and a second transistor including a second gate connected to the pad and a source and a drain connected between the first node and the second power source. The first node is connected to or in electrical communication with a bulk node of the switch transistor.

Electrostatic discharge protection circuit

A voltage on-off detector includes an inverter between a first voltage source and a third voltage source providing a third voltage and having an input terminal that receives a second voltage, a first transistor having a gate that receives the second voltage, and a first source and a first drain between the third voltage source and a first node, a second transistor having a second gate that receives the third voltage, and a second source and a second drain between a second voltage source providing the second voltage and the first node, and an amplifier configured to output a first voltage from the first voltage source or a voltage on the first node based on or in response to an output of the inverter.

Voltage on-off detector and electronic device including the same

The present disclosure relates to a microorganism producing L-lysine and a method for producing L-lysine by using the same. More specifically, the present disclosure relates to a microorganism of the genus, which is modified such that the activity of a protein involved in cell wall hydrolysis is inactivated in comparison with the endogenous activity thereof; and a method for producing L-lysine using the same.

Microorganism producing L-lysine and method for producing L-lysine using the same

A voltage on-off detector includes an inverter between a first voltage source and a first node and having an input terminal that receives a third voltage, a first transistor having a first gate, and a first source and a first drain between the first node and a second voltage source, a second transistor having a second source connected to the second voltage source, and a second gate and a second drain connected to the first node, and an amplifier having an input terminal connected to an output terminal of the inverter and configured to output a first voltage from the first voltage or a second voltage from the second voltage source based on or in response to an output of the inverter.

An input/output circuit includes a logic unit configured to generate a first signal and a second signal based on data and a first control signal, a driver including a first PMOS transistor having a first gate, a first source that receives a first voltage from a first voltage source, and a first drain, and a first NMOS transistor having a second gate that receives the second signal, a second source that receives a second voltage from a second voltage source less than the first voltage, and a second drain connected to the first drain, a gate-tracking circuit configured to receive the first signal and transfer the received first signal to the first gate of the first PMOS transistor based on a second control signal, and an input/output terminal connected to the first drain and the second drain.

Input/output circuit and electronic device including the same

The present invention relates to an L-lysine-producing microorganism of the genusand a method for producing L-lysine using the same.

sp. microorganisms having l-lysine-producing ability and l-lysine producing method using same

A rigid polyurethane foam which is a polymerization product of a composition including a concentrated acid hydrolytic lignin, a polyol, and an isocyanate, and a method of preparing the rigid polyurethane foam.

Rigid polyurethane foam and preparation method thereof

A method of preparing a low-molecular lignin derivative comprises the step of: preparing lignin by hydrolyzing lignocellulosic biomass with an acid; preparing a first mixture by mixing 100 parts by weight of the lignin and 500 parts or more by weight of a phenolic compound; preparing a second mixture by mixing the first mixture with a solvent including the hydrophobic polar solvent; and recovering a low-molecular lignin derivative from the second mixture.

Method for preparing low-molecular lignin derivative

A method comprising: (a) enzymatically processing an O-acetylhomoserine (OAHS) fermentation liquor to produce L-methionine and an acetate source; (b) separating at least a portion of said L-methionine from at least a fraction of said acetate source to form separated L-methionine and a residual liquor comprising an acetate-source; and (c) recovering at least a portion of said acetate source from said residual liquor as recovered acetate.

Methods for production of L-methionine and related products

The present invention includes a first injection tube for supplying a colloidal medium, a storage part connected to the first injection tube for receiving the colloidal medium through the first injection tube, a second injection tube connected to the storage part for supplying a colloid, a discharge tube connected to both the storage part and the second injection tube for discharging the colloidal medium coming from the storage part and the colloid coming from the second injection tube, and a free surface inversion part for inverting the free surface of the liquid in the second injection tube so as to mix the colloidal medium and the colloid in the discharge tube.

Apparatus for producing a composite material

A mold for forging a scroll rotor capable of controlling material flow speed by adjusting a land section, a molding device applying same, and a method for manufacturing the mold. In the mold, a die includes an extrusion unit having a molding space therein and a spiral-shaped extrusion passage provided in the lower portion thereof so as to correspond to a wrap portion disposed in the scroll rotor. A punch is connected to the die to be in close contact with the inner circumference of the molding space and to be able to slide up and down. The lower portion has a shape corresponding to the upper surface of the flange portion of the scroll rotor and a boss portion. The extrusion passage has a land section in direct contact with the extrusion material. The height of a land of the land section varies along the spiral direction.

Scroll rotor mold, molding device, and method for manufacturing mold

The present invention relates to a method for producing L-methionine using a bio-synthesis process and a specific enzymatic process. More particularly, the present invention relates to a method for producing L-methionine with high yield by enzyme conversion reaction from L-methionine precursor in the presence of methyl mercaptan (CHSH). The process of the present invention enables selective production of L-methionine which may be used in various fields of industry, such as feed- and food-additives, as raw material for medical supplies, pharmaceutical drugs, and the like.

Preparation of process of L-methionine

Growing community of inventors

Seoul, South Korea

Sang Mok Lee