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Chul Min

Chul Min Choi, Seoul KR

Patent application numberDescriptionPublished
20100126331METHOD OF EVALUATING VOCAL PERFORMANCE OF SINGER AND KARAOKE APPARATUS USING THE SAME - A method of evaluating a vocal performance of a singer of a karaoke apparatus includes extracting a voice energy, extracting a reference pitch, and comparing the voice energy and an energy corresponding to the reference pitch and evaluating the vocal performance of the singer.05-27-2010
20100150378METHOD AND APPARATUS FOR AUDIO SIGNAL CONTROL - An audio signal control method and apparatus for hearing protection are disclosed. The audio signal control method includes: producing an output level of an audio signal being input; determining whether the ratio of an output time of the audio signal within a preset time duration to a permissible time corresponding to the produced output level is greater than or equal to a limit reference value; and limiting, when the ratio of the output time to the permissible time is greater than or equal to the limit reference value, the output level of the audio signal to a preset level.06-17-2010
20110154250METHOD FOR SEARCHING CONTENT - A content searching method for enabling a user to directly search for desired contents is provided. The content searching method includes displaying a location of a cell including a content being executed in a distribution map, which displays a plurality of cells divided according to a distribution axis, and when a search button is input, redistributing and displaying a location of the cell including the content being executed in a distribution map, which displays a plurality of cells in a changed skin screen depending on a distribution axis having a changed keyword.06-23-2011

Patent applications by Chul Min Choi, Seoul KR

Chul Min Kim, Koyang-Si KR

Patent application numberDescriptionPublished
20120005120SYSTEM FOR OPERATING INVESTMENT MONEY - Disclosed is a system for operating investment money (IM). The disclosed IM operating system includes a computation module communicating with a client information processor and receiving client setup information input/set by a client, a computation module generating an IM operation simulation data and notifying the generated IM operation simulation data to the client information processor, and a computation module, in response to a client approval data for the IM operation simulation data, transmitting the IM operation simulation data to an IM management server so as to allow the client to be paid the expected cash output at each turn and the expected cash output at the last turn at t each turn and at the last turn, respectively.01-05-2012

Chul Min Lee, Yeongi-Gun KR

Patent application numberDescriptionPublished
20100155108Electroless nickel plating solution composition, flexible printed circuit board and manufacturing method thereof - The present invention relates to an electroless nickel plating solution composition, a flexible printed circuit board and a manufacturing method thereof, and more particularly, to an electroless nickel plating solution composition, a flexible printed circuit board and a manufacturing method thereof capable of simultaneously satisfying plating characteristics respectively required for a pad unit and external connection units of the flexible printed circuit board by forming a nickel plating layer having a vertical growth structure with the electroless nickel plating solution composition including a water-soluble nickel compound, a reducing agent, a complexing agent and a vertical growth inducer.06-24-2010

Chul Min Park, Daejeon KR

Patent application numberDescriptionPublished
20090258876NOVEL INDOL CARBOXYLIC ACID BISPYRIDYL CARBOXAMIDE DERIVATIVES, PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PREPARATION METHOD AND COMPOSITION CONTAINING THE SAME AS AN ACTIVE INGREDIENT - Disclosed herein are a new indole carboxylic acid bispyridyl carboxamide derivative, a preparation method thereof, and a composition for prevention or treatment of obesity, urinary disorders, and CNS disorders, containing the same as an active ingredient. Because the indole carboxylic acid bispyridyl carboxamide derivatives according to the present invention have high affinity for 5-HT10-15-2009
20100035866NOVEL SUBSTITUTED-1, 1-DIOXO-BENZO[1,2,4]THIADIAZIN-3ONES, PREPARATION METHOD THEREOF, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME - The present invention relates to compounds of substituted-1,1-dioxo-benzo[1,2,4]thiadiazin-3-ones acting as a 5HT6 receptor antagonist, a preparation method thereof, and a pharmaceutical composition containing the same for treatment of the central nervous system disorders. The compounds of substituted-1,1-dioxo-benzo[1,2,4]thiadiazin-3-ones according to the present invention have excellent binding affinity for the 5HT6 receptor and excellent selectivity for the 5HT6 receptor over other receptors. Also, the compounds reverse a disruption of PPI by apomorphine and don't show rotatod deficit in mice. Therefore the compounds according to the present invention may be valuably used for treatment of a 5HT6 receptor relating disorders.02-11-2010

Chul Min Park, Taejeon-Si KR

Patent application numberDescriptionPublished
20090203708NOVEL SUBSTITUTED-1-H-QUINAZOLINE-2,4-DIONE DERIVATIVES, PREPARATION METHOD THEREOF AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME - Disclosed herein are novel substituted-1H-quinazoline-2,4-dione derivatives, a preparation method thereof, and a pharmaceutical composition containing the same. The novel substituted-1H-quinazoline-2,4-dione derivatives are excellent in binding affinity and selectivity for 5-HT6 receptors over other receptors, inhibit serotonin(5-HT)-stimulated cAMP accumulation, and disrupt apomorphine(2 mg/kg, i.p.)-induced hyperactivity in rats. Thanks to these effects, the derivatives are useful in the treatment of 5-HT6 receptor-related central nervous system diseases.08-13-2009