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Choon Bae
Choon Bae Lee, Inchon KR
Choon Bae Lee, Ulsan-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080300351 | COLORING BINDER FOR PAVEMENT OF A ROAD AND METHOD FOR PRODUCING THE SAME - Disclosed herein is a coloring binder, and method of preparing it, which is mixed with a colored asphalt concrete mixture for use in road pavement, thus ensuring clear color and excellent weather resistance and durability. The method includes loading rubber latex into a mixer; loading process oil heated to 140-180° C. into the mixer having the rubber latex loaded therein, and then stirring the loaded process oil; loading a plasticizer and a thermoplastic resin into the mixer having the process oil loaded and stirred therein, and then stirring the loaded plasticizer and thermoplastic resin; loading a thermoplastic elastomer into the mixer having the plasticizer and thermoplastic resin loaded and stirred therein, and then stirring the loaded thermoplastic elastomer; and loading a dispersion pigment into the mixer having the thermoplastic elastomer loaded and stirred therein, and then stirring the loaded dispersion pigment, in which the dispersion pigment is processed by uniformly dispersing a powdered pigment in the process oil, the thermoplastic resin, or the plasticizer serving as a dispersion medium, and the rubber latex is added in an amount of 2-6 wt %, the process oil is added in an amount of 22-50 wt %, the thermoplastic resin is added in an amount of 32-60 wt %, the thermoplastic elastomer is added in an amount of 5-15 wt %, the plasticizer is added in an amount of 1-4 wt %, and the dispersion pigment is added in amount of 10-20 wt %, based on 100 wt % of the coloring binder. | 12-04-2008 |
Choon Bae Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090326816 | ATTITUDE CORRECTION APPARATUS AND METHOD FOR INERTIAL NAVIGATION SYSTEM USING CAMERA-TYPE SOLAR SENSOR - Disclosed herein is an attitude correction apparatus for an Inertial Navigation System (INS) using a camera-type solar sensor. The present invention relates to a system for correcting errors occurring in an inertial navigation system, in which inertial sensors, such as gyroscopes and accelerometers are combined with each other to calculate the attitude, velocity and position of an airplane, and to an apparatus for utilizing a sun-line of sight vector, generated by a camera-type solar sensor, that uses images of the moving sun, and the output value of the inertial navigation system, thus correcting the attitude of an airplane and the errors of sensors. The attitude correction apparatus of the present invention includes a camera-type solar sensor for detecting the sun, a signal processing unit for receiving and synchronizing information, and a data collection processing unit for performing post-processing on information, thus correcting an error. | 12-31-2009 |
Choon Bae Yoon, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110145990 | TURNING APPARATUS FOR MULTIPURPOSE SPACE UTILIZATION FURNITURE - The present invention relates to multipurpose furniture which combines a bed and a desk, and is positioned between furniture facing each other. Since a turning apparatus for the multipurpose furniture is simplified, there is a reduction in all kinds of work processes and the work load required for turning of a turning member, of which a table surface and a mattress respectively used as a desk and a bed are formed on top and bottom, and manufacturing cost is decreased. In addition, when the multipurpose furniture is used as a bed, stability during sleep is increased and sleeping in comfort is doubled through minimization of the height from the surface. | 06-23-2011 |