| Patent application number | Description | Published |
|---|
| 20130299737 | OXYGEN-SELECTIVE ADSORBENT HAVING FAST ADSORPTION RATE AND PREPARATION METHOD THEREOF - Provided is a preparation method of an oxygen-selective adsorbent selectively adsorbing oxygen in the air and an oxygen-selective adsorbent prepared thereby. The preparation method includes: preparing BaMg(CO | 11-14-2013 |
| 20150098889 | CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING TERTIARY ALKANOLAMINE, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME - This invention relates to a carbon dioxide absorbing composition including a tertiary alkanolamine, and to a method and apparatus for absorbing carbon dioxide using the same, wherein in a process and apparatus for absorbing and recovering carbon dioxide from a gas mixture including carbon dioxide, a solid-phase bicarbonate crystal including high-concentration carbon dioxide is crystallized from a carbon dioxide absorbing composition having absorbed carbon dioxide and is then selectively separated, thereby efficiently recovering and regenerating carbon dioxide. | 04-09-2015 |
| 20150098890 | CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING STERICALLY HINDERED ALKANOLAMINE, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME - This invention relates to a carbon dioxide absorbing composition including a sterically hindered alkanolamine, and to a method and apparatus for absorbing carbon dioxide using the same, wherein in a process and apparatus for absorbing and recovering carbon dioxide from a gas mixture including carbon dioxide, a solid-phase bicarbonate crystal including high-concentration carbon dioxide is crystallized from a carbon dioxide absorbing composition having absorbed carbon dioxide and is then selectively separated, thereby efficiently recovering and regenerating carbon dioxide. | 04-09-2015 |
| 20150290581 | CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING ANTISOLVENT, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME - This invention relates to a carbon dioxide absorbing composition including an antisolvent, and to a method and apparatus for absorbing and regenerating carbon dioxide using the same, wherein in a process and apparatus for absorbing carbon dioxide from a gas mixture including carbon dioxide such as a flue gas of a coal-fired power plant and separating a bicarbonate slurry including a large amount of carbon dioxide so as to be regenerated at high pressure, a bicarbonate slurry production yield can be increased to thereby reduce the cost for sensible heat, latent heat and regeneration energy necessary for regeneration, cooling and heating of the carbon dioxide absorbing solution. | 10-15-2015 |
| Patent application number | Description | Published |
|---|
| 20100103735 | MEMORY DEVICE AND PROGRAM METHOD THEREOF - Provided are a flash memory system and a driving method thereof. A flash memory device according to an embodiment of the present invention includes a memory cell array including a plurality of memory cells, and a control logic. The control logic performs control for one-bit information to be stored in the plurality of memory cells. The control logic controls storing data in the plurality of memory cells multiple times without an erasion operation. Accordingly, the flash memory device does not execute an erasion operation, increasing an operation speed. | 04-29-2010 |
| 20100217927 | STORAGE DEVICE AND USER DEVICE INCLUDING THE SAME - A storage device includes a host interface, a buffer memory, a storage medium, and a controller. The host interface is configured to receive storage data and an invalidation command, where the invalidation command is indicative of invalid data among the storage data received by the host interface. The buffer memory is configured to temporarily store the storage data received by the host interface. The controller is configured to execute a transcribe operation in which the storage data temporarily stored in the buffer memory is selectively stored in the storage medium. Further, the controller is responsive to receipt of the invalidation command to execute a logging process when a memory capacity of the invalid data indicated by the invalidation command is equal to or greater than a reference capacity, and to execute an invalidation process when the memory capacity of the invalid data is less than the reference capacity. The logging process includes logging a location of the invalid data, and the invalidation process includes invalidating the invalid data. | 08-26-2010 |
| 20120144090 | STORAGE DEVICE AND USER DEVICE INCLUDING THE SAME - A storage device includes a host interface, a buffer memory, a storage medium, and a controller. The host interface is configured to receive storage data and an invalidation command, where the invalidation command is indicative of invalid data among the storage data received by the host interface. The buffer memory is configured to temporarily store the storage data received by the host interface. The controller is configured to execute a transcribe operation in which the storage data temporarily stored in the buffer memory is selectively stored in the storage medium. Further, the controller is responsive to receipt of the invalidation command to execute a logging process when a memory capacity of the invalid data indicated by the invalidation command is equal to or greater than a reference capacity. | 06-07-2012 |
| Patent application number | Description | Published |
|---|
| 20110044450 | METHOD AND APPARATUS FOR PROCESSING F-FUNCTION IN SEED ENCRYPTION SYSTEM - An apparatus for processing an F-function in a SEED encryption system includes: an arithmetic operation masking conversion unit for converting a logical operation mask value obtained by performing a logical operation of a SEED F-function input value and a random mask value into an arithmetic operation mask value; and a masking G-function unit for taking the arithmetic operation mask value from the arithmetic operation masking conversion unit as an input and producing an arithmetic operation output. | 02-24-2011 |
| 20120163585 | MASKING ADDITION OPERATION DEVICE FOR PREVENTION OF SIDE CHANNEL ATTACK - A masking addition operation apparatus for prevention of a side channel attack, includes a random value generation unit generating a first random value for a first input, second random value for a second input, and a summation random value. The masking addition operation apparatus includes an operation part performing an operation on the first and second random values, a previous carry input, and first and second masked random values generated based on the first and second random values. The masking addition operation apparatus includes a carry generator generating a carry input using a result of the operation part; and a summation bit generator generating a summation bit using the summation random value, the first and second random values, the previous carry input and the first and second masked random values. | 06-28-2012 |
| 20130325382 | SIDE-CHANNEL ANALYSIS APPARATUS AND METHOD BASED ON PROFILE - A side channel analysis apparatus based on a profile includes a waveform collection unit configured to collect leaked information from a target device of a side channel analysis; and a preprocessing unit configured to preprocess a waveform data correspond to the leaked information collected from the waveform collection unit before analyzing same. Further, the side channel analysis apparatus includes an analysis unit configured to analyze the waveform data preprocessed in the preprocessing unit; and a profile configuration unit configured to make each process of the waveform collection unit, the preprocessing unit, and the analysis unit into a process and configure a profile for managing each process by connection of each process. | 12-05-2013 |
| 20140286486 | BLOCK ENCRYPTION METHOD AND APPARATUS - In accordance with an embodiment, the logical exclusive operation on the random number RAND and the OPc value are performed several times, the logical operation and encryption processing using a random number RAND and logical operation and encryption processing using a random number S are done in any order, which brings an increase of an attack complexity as to whether to calculate the correlation coefficient from the power consumption waveform at any point when analyzing the correlation power, whereby it is possible to defend the CPA attack effectively. | 09-25-2014 |
| Patent application number | Description | Published |
|---|
| 20100148310 | Semiconductor wafer, semiconductor device using the same, and method and apparatus for producing the same - A method of processing a semiconductor wafer includes preheating the wafer to a preheating temperature that is less than a peak temperature, heating the wafer from the preheating temperature to the peak temperature at a first ramp rate that averages about 100° C. per second or more, and, immediately after heating the wafer from the preheating temperature to the peak temperature, cooling the wafer at a second ramp rate that averages about −70° C. per second or more from the peak temperature to the preheating temperature, wherein the peak temperature is about 1,100° C. or more. | 06-17-2010 |
| 20140146580 | CABLE COMPENSATION CIRCUIT AND POWER SUPPLY INCLUDING THE SAME - A cable compensation circuit compensates a voltage drop in a cable coupled between a power supply and a load. The cable compensation circuit includes: a node where a voltage that depends on an input voltage of the power supply during a turn-on period of a power switch of the power supply and depends on an output voltage of the power supply during a turn-off period of the power switch is generated; a sensing RC filter generating a sense voltage that depends on a diode current by filtering the voltage of the node; and an averaging RC filter generating an average voltage by averaging the sense voltage. | 05-29-2014 |
| 20140159678 | CABLE COMPENSATION CIRCUIT - One cable compensation circuit is connected to a shunt regulator to generate a feedback voltage corresponding to an output voltage of a power supply device. The cable compensation circuit controls cathode impedance of the shunt regulator according to the output current of the power supply device to compensate a voltage drop generated in a cable. | 06-12-2014 |
| Patent application number | Description | Published |
|---|
| 20150109828 | POWER SUPPLY APPARATUS AND DRIVING METHOD THEREOF - A power supply apparatus and a driving method thereof are disclosed. The power supply apparatus includes a first converter and a second converter. The first converter is operated to acquire a first gain when an input voltage is included in a first range or a second range that is lower than a first range and outputs a first output voltage and a second output voltage by converting the input voltage. In addition, the second converter is operated when the input voltage is included in the first range and outputs a third output voltage by converting the second output voltage. | 04-23-2015 |
| 20150204923 | OUTPUT CURRENT ESTIMATING METHOD AND POWER SUPPLY DEVICE USING THE SAME - A power supply device according to the invention includes: a power switch; a rectification diode generating an output current by rectifying a current supplied according to a switching operation of the power switch; and a switch control circuit generating an output current estimation voltage corresponding to the output current using a detection sense voltage corresponding to a sense voltage that depends on a switch current flowing to the power switch and a compensated discharge period. The compensated discharge period is a period from the peak of a discharge current flowing to the rectification diode to an instant at which the discharge current becomes zero current. | 07-23-2015 |
| 20150207416 | SWITCH CONTROL CIRCUIT AND POWER SUPPLY DEVICE INCLUDING THE SAME - The power supply device includes a power switch, a rectification diode which rectifies a supplied current in accordance with a switching operation of the power switch to generate an output current, and a switch control circuit which averages a detected sensing voltage corresponding to a sensing voltage which follows a current which flows through the power switch to generate an output current estimating voltage corresponding to the output current. | 07-23-2015 |
| 20150285872 | LOAD DETECTING DEVICE - A load detecting device for detecting whether a load is connected to a power supply device includes a no-load condition detector configured to detect a no-load condition using a sensing voltage having a frequency variant with a switching frequency of the power supply device, a circuit configured to acquire a signal having a waveform differing according to a connection or detachment between the load and the power supply device after the no-load condition is detected by the no-load condition detector, and a detachment detector configured to detect whether the load is detached by sensing the signal acquired by the circuit. | 10-08-2015 |
