Abstract: A method of obtaining C=(c0, . . . , cn?1) of a product of two elements A and B of a finite field GF(2n). The method includes permuting the last d coefficients (an?1, . . . , an?d) of a multiplier A with predetermined variables (sn?1, . . . , sn?d); operating C:C=?(bi+j?A) for (I+j)th coefficient of a multiplicand B to update coefficients of C, where i and j are integers, and A:=(s, . . . ,?x?2)?(0,xn?1?j?f1, . . . ,sx?1?j?fx?d,0, . . . ,0) repeatedly for j=0 to (d?1) to update coefficients of A, where ? represents an XOR operation and ? represents an AND operation; and repeatedly performing the permuting and operating by increasing i from 0 to (n?1) by d.

Abstract: An electrically-driven liquid crystal lens, which can achieve not only a gentle parabolic lens plane when being realized via alignment of liquid crystals based on a changed electrode configuration, but also a reduced cell gap of a liquid crystal layer and a stable profile even in a large-area display device, and a stereoscopic display device using the same are disclosed.

Abstract: Disclosed is a display device adapted to selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image is disclosed. The display device includes a liquid crystal panel displaying an image; a polarizer disposed on the liquid crystal panel; a liquid crystal lens disposed on the polarizer; and a polarizing member interposed between the liquid crystal lens and the liquid crystal panel, wherein an axis of light transmitted through the liquid crystal lens coincides with an optical axis of the polarizer. Accordingly, the display device can selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image, while improving the picture quality and the brightness.

Abstract: Disclosed are agents that inhibit histone deacetylase. More specifically, the present invention relates to novel hydroxamic acid derivatives or pharmaceutically acceptable salts thereof for anticancer agents or other therapeutic agents based on their histone deacetylase inhibitory activity.

Abstract: An electrically-driven liquid crystal lens, and a stereoscopic display device using the same, including first and second substrates arranged opposite each other and including an active region having a plurality of lens regions and a pad region defined at an outer rim of the active region, a plurality of first electrodes formed on the first substrate to correspond to the respective lens regions and spaced apart from one another, a second electrode formed on the entire surface of the second substrate, a voltage source to apply different voltages to the plurality of first electrodes, respectively, and to apply a ground voltage to the second electrode, and a liquid crystal layer interposed between the first substrate and the second substrate.

Abstract: Disclosed is a method for proposing a meeting in a moblog-based regional community service through a mobile terminal. The method includes the steps of setting a plurality of main arenas by dividing a geographical area in a regional unit, setting and storing one or more virtual spatial locations, the one or more virtual spatial locations being a projection of real spatial public locations, as spots in one of the main arenas; selecting one of the spots belonging to the main arena from information on a location of the mobile terminal and entering into the selected spot; and registering a meeting proposal post in the selected spot.

Abstract: A three-dimensional image display capable of reducing a difference between a resolution variation rate in a pixel column direction and a resolution variation rate in a pixel row direction and preventing a color separation phenomenon is disclosed. The three-dimensional image display includes a display panel in which n (n is a natural number) disparity images are displayed and the same disparity images are distributed and displayed in subpixels of the same color, and a lenticular sheet which divides travel paths of the disparity images using a plurality of lenticular lenses which are obliquely arranged in front of the display panel, and the long axes of the lenticular lenses are parallel to an extension line of the subpixels in which the same disparity images are displayed.

Abstract: A method for generating a gamma voltage comprising, a first low voltage and a first high voltage having a first voltage range between the first low voltage and the first high voltage are divided into a plurality of gamma voltages of a first polarity during a first interval. A second low voltage and a second high voltage having a second voltage range between the second low voltage and the second high voltage are divided into a plurality of gamma voltages of a second polarity during a second interval.

Abstract: A gamma voltage generating circuit includes a resistor string part including a plurality of resistors electrically connected in series between a first power terminal and a second power terminal, the first power terminal receives a first power voltage and the second power terminal receives a second power voltage. The resistor string part outputs a plurality of gamma voltages. A first resistor part includes a first electronic device electrically connected in parallel with a first resistor. The first resistor part is electrically connected in series between the first power terminal and a first terminal of the resistor string part and a second resistor part includes a second electronic device electrically connected in parallel with a second resistor. The second resistor part is electrically connected in series between the second power terminal and a second terminal of the resistor string part.

Abstract: This invention relates to Pulsatillae Radix extract for improving brain functions. More specifically, this invention relates to Pulsatillae Radix extract, its active fractions and a pharmaceutical product and a health food containing the same respectively having a protective activity against neurotoxicity and a growth inhibitory effect induced by beta-amyloid, an anti-oxidizing effect, a neuron proliferating effect and improving memory thereby effective in improving brain functions such as Mild Cognitive Impairment and dementia.

Abstract: A security system using an RSA algorithm that includes a key input section for receiving a secret key and a public key used in one of encryption and decryption of a message, a random coefficient generating section for generating a random coefficient r having a bit of a predetermined size, a first calculation section for dividing the secret key into a first secret key and a second secret key by using the value of r, and performing an exponentiation of RSA algorithm by using the respective secret keys and the public key, and a second calculation section for performing one of the encryption and the decryption by combining results of exponentiation calculated respectively by using the first and the second secret keys.

Abstract: The present invention relates to novel quinazoline derivatives effective in lowering blood glucose level and body weight, and a medicine for treatment and/or prevention of diabetes and/or obesity, which comprises the compound as an active ingredient.

Abstract: An apparatus for driving source lines includes an output buffer, a first switch and a second switch. The output buffer outputs a first voltage and a second voltage having an opposite phase to the first voltage during an output interval including a first interval portion and a second interval portion. The first switch applies the first and second voltages to an m-th source line and an (m+1)-th source line respectively during the first interval portion and blocks the first and second voltages during the second interval portion. The second switch includes a plurality of switching elements, the second switch short-circuiting the m-th source line and the (m+1)-th source line during the second interval portion, wherein the m-th source line has at least two connecting portions to be electrically connected to the (m+1)-th source line.

Abstract: A display apparatus and a method of driving the same that can prevent erroneous operation by compensating for the delay of a gate turn-on signal. A signal detector generates a delay control signal according to an internal clock signal and the gate turn-on signal. The signal detector detects whether the gate turn-on signal applied to the gate line is delayed or not, and the pulse width of a logic high period of the clock signal is controlled according to the detection result, such that it is possible to compensate for the delay of the gate turn-on signal.

Abstract: Provided is an apparatus for encryption/decryption and electronic signature in a mobile communication environment. A signal processing apparatus, performing modular multiplication in an electronic device, includes a first logic for outputting a signed multiplicand by selectively performing a one's complementary operation on a multiplicand according to a Booth conversion result of a multiplier in modular multiplication; a second logic for outputting a modulus which is signed in the modular multiplication based on a carry input value Carry-in of a current clock, determined from a carry value cin for correction of a previous clock, and on a sign bit of the multiplicand; and a third logic for receiving the signed multiplicand and the signed modulus, and calculating a result value of the modular multiplication by iteratively performing a full addition operation on a carry value C and a sum value S of the full addition operation, found at the previous clock.

Abstract: Disclosed is a location-based community service provision system for setting a plurality of main arenas by dividing a geographical area in a regional unit, setting and storing one or more virtual spatial locations, the one or more virtual spatial locations being a projection of real spatial public locations, as spots in one of the main arenas, receiving information on posts registered in spots transmitted through a mobile terminal by providing one or more pieces of information on the spots belonging to the main arena from information on a location of the mobile terminal to the mobile terminal, and storing the received information on posts with a link with the spots.

Abstract: An apparatus for providing a rights resale function and a method thereof are provided, in which a rights object to execute content can be freely transferred and shared among users on the intervention of a rights issuer. The apparatus for providing a rights resale function applied to a system which includes a rights acquisition agent and a rights issuer, includes a storage unit for storing a content related rights object, a token generation unit for generating a token for rights resale such as a token for reselling rights to obtain an issuance of the content related rights object from the rights issuer, with reference to the rights object from the storage unit, and a transmission/reception unit for transmitting the token for rights resale from the token generation unit to the rights acquisition agent.

Abstract: The present invention relates to the triterpene compounds improving in brain functions. In particular, the present invention relates to a novel use of the triterpene compounds represented by the Formula 1 for improving decreased memory and a pharmaceutical composition for improving brain functions comprising the triterpene compounds represented by the Formula 1.