Hyuk-Sung

Hyuk-Sung Kwon, Suwon-Si KR

Patent application number	Description	Published
20090170566	MOBILE TERMINAL HAVING REAR KEYPAD - A mobile terminal having a rear keypad is provided. The mobile terminal includes: a main body having a front surface and a rear surface opposite to the front surface; a touch screen disposed at the front surface of the main body; and a key input device having a keypad disposed at the rear surface of the main body and extendable outwards to sides of the touch screen.	07-02-2009

Patent application number	Description	Published
20100211354	APPARATUS FOR ACQUIRING 3-DIMENSIONAL GEOMATICAL INFORMATION OF UNDERGROUND PIPES AND NONCONTACT ODOMETER USING OPTICAL FLOW SENSOR AND USING THE SAME - An apparatus to acquire 3-dimensional geographical information of an underground pipe includes an in-pipe transfer unit which moves along the inside of the underground pipe, a sensing unit which senses 3-dimensional location information of the in-pipe transfer unit, and an information storage unit which stores a value measured by the sensing unit. Accordingly, the depth at which the underground pipe is located as well as 2-dimensional location information of the underground pipe is stored in the information storage unit so that maintenance and repair of the underground pipe can be carried out with greater efficiency.	08-19-2010

Patent application number	Description	Published
20090028543	APPARATUS FOR PHOTOGRAPHING PIPE WITHOUT SUSPENSION OF WATER SUPPLY AND SYSTEM FOR CONTROLLING THE SAME - An apparatus for photographing a pipe without suspension of water supply and a system for controlling the same are disclosed. According to present invention, the interior of the pipe can be photographed by inserting the camera into the pipe and moving and rotating the camera without halting water supply, and information about the movement and rotation of the camera can be produced. A problem of discontinuance of using the whole pipe due to photographing of the interior of the pipe can be prevented. The camera can accurately photograph respective portions in the pipe by precisely moving forward/backward and rotating left/right or up/down. Since information about a practical position in the pipe with respect to the photographed image is provided, a user can accurately grasp a defect-position in the pipe, and can easily control the camera.	01-29-2009