| Patent application number | Description | Published |
| 20080209161 | Storage device and method of mapping a nonvolatile memory based on a map history - A non-volatile memory may include a plurality of map blocks for storing a plurality of map units, the map units representing mapping information between physical addresses and logical addresses. A storage device may include such a non-volatile memory. A method of mapping such a non-volatile memory may include writing historical information regarding locations of valid map units among the map units included in map blocks previously allocated among the map blocks when a new map block among the map blocks is allocated, the valid map units representing valid mapping information, and constructing a map table including all of the valid mapping information based on the historical information and a result of searching a map block recently allocated among the map blocks. | 08-28-2008 |
| 20090061765 | Mobile terminal system and method for monitoring music program using music recognition - A mobile terminal, a system and a method for monitoring a music program using music recognition are provided. The mobile terminal includes: an input module for inputting, by a user, information of a music program to be monitored; a broadcast receiving module for receiving the input music program; a controller for periodically extracting an acoustic gene from the received music program; a wireless module for periodically transmitting the extracted acoustic gene to a music DB server through wireless communication and for receiving music information corresponding to the acoustic gene from the music DB server; and a display unit for displaying the received music information. Accordingly, a user can recognize information on a music list of a broadcast program and purchase desired music. | 03-05-2009 |
| 20100287310 | Method and controller for processing commands in a storage device - A controller for processing a command in a data storage device includes at least one bitmap and a firmware command queue. The at least one bitmap is formed in hardware to indicate that the command is received. The firmware command queue is generated by firmware for storing the command when the at least one bitmap indicates receipt of the command. The firmware generates the firmware command queue that is of variable size for processing a high number of commands. In addition, the bitmaps are generated in the hardware for quickly receiving the high number of commands. | 11-11-2010 |
| 20110101476 | ELECTRONIC DEVICE, MEMORY DEVICE, AND METHOD OF FABRICATING THE SAME - Provided are an electronic device, a memory device, and a method of fabricating the devices for preventing physical distortion of functional elements from generating and improving electric contact properties between the functional elements and electric elements connecting to the functional elements. At least two grooves are formed in a substrate, and a conductive material is filled in the grooves to obtain electric elements having a surface at the same height as that of the substrate. In addition, a functional material layer (functional layer) is formed on an entire upper surface of the substrate and is patterned so as to obtain a functional element having both bottom surfaces contacting the electric elements. | 05-05-2011 |
| Patent application number | Description | Published |
| 20080273191 | OPTICAL TRACKING DEVICE USING MICROMIRROR ARRAY LENSES - The optical tracking device of this invention comprises a lens unit, a control circuitry communicatively coupled to the lens unit, and an imaging unit optically coupled to the lens unit. The lens unit comprises at least one Micromirror Array Lens, wherein the Micromirror Array Lens comprises a plurality of micromirrors and is configured to have a plurality of optical surface profiles by controlling rotations or translations of the micromirrors. The optical tracking device of the invention further comprises an image processing unit, communicatively coupled to the imaging unit, configured to process the image information from the imaging unit and generates a control signal for the control circuit to control the lens unit. The optical tracking device of the present invention provides capability of tracking a target moving in a high speed, providing three-dimensional image information of the object, and compensating the aberration of the optical tracking device. | 11-06-2008 |
| 20090040586 | MICROMIRROR ARRY WITH IRIS FUNCTION - The present invention provides a micromirror array with iris function that comprises a plurality of micromirrors and is configured to provide an adjustable aperture having a plurality of aperture sizes by controlling motions of the micromirrors. The adjustable aperture controls the amount of incident light admitted to an image sensor by changing the aperture size. Also, the micromirrors comprised in the aperture forms a Micromirror Array Lens having variable focusing function. | 02-12-2009 |
| 20090237783 | BINOCULARS WITH MICROMIRROR ARRAY LENSES - The binoculars of the present invention comprise two optical units; one optical unit for each eye. Each optical unit comprises a first reflective lens element and a second reflective lens element, wherein at least one of the reflective lens elements is a Micromirror Array Lens. The binoculars of the present invention provide focusing and/or zoom functions without or with minimal macroscopic mechanical lens movement. | 09-24-2009 |
| 20090290244 | MICROMIRROR ARRAY LENS WITH SELF-TILTED MICROMIRRORS - A Micromirror Array Lens with self-tilted micromirrors comprising a plurality of self-tilted micromirrors and configured to form a designed optical surface profile by self-tilted micromirrors. Each self-tilted micromirror comprises a substrate, at least one stiction plate configured to be attracted to the substrate by adhesion force, a micromirror plate having a reflective surface, coupled to the stiction plate elastically and configured to have a required motion when the stiction plate is attracted to the substrate, and at least one pivot structure disposed between the substrate and the micromirror plate and configured to provide a tilting point or area for the motion of the micromirror plate. The designed optical surface profile determines the required motion of the micromirror plate and a surface profile shape memory is built in the structure of the micro-mechanical elements of the self-tilted micromirrors so that each micromirror plate has the required motion. | 11-26-2009 |
| 20090303569 | SELF-TILTED MICROMIRROR DEVICE - A self-tilted micromirror device of the present invention comprises a plurality of micro-structures including a substrate, at least one stiction plate configured to be attracted to the substrate by adhesion force, a top plate coupled to the stiction plate elastically and configured to have at least one motion when the stiction plate is attracted to the substrate, and at least one pivot structure disposed between the substrate and the top plate and configured to provide a tilting point or area for the motion of the top plate. The motion of the top plate is determined by the geometry of the micro-structures of the self-tilted micromirror device. | 12-10-2009 |
| 20110075015 | AUTOMATIC FOCUS IMAGING SYSTEM USING OUT-OF-PLANE TRANSLATION OF AN MEMS REFLECTIVE SURFACE - The present invention provides an automatic focus imaging system comprising a lens unit, an image sensor, and a Micro-Electro-Mechanical System (MEMS) unit fabricated by microfabrication technology to improve the portability and focusing speed of the automatic focus imaging system. The MEMS unit for automatic focusing comprises a substrate having a control circuitry, at least one reflective surface movably connected to the substrate, and at least one actuation unit comprising a micro-actuator having a large in-plane translation and at least one micro-converter configured to convert the large in-plane translation of the micro-actuator to the large out-of-plane translation of the reflective surface. The MEMS unit changes a distance between lens unit and the image sensor by controlling the out-plane translation of the reflective surface in order to form in-focus mage on the image sensor. | 03-31-2011 |