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Byung Gil
Byung Gil Choi, Gunpo-Si Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090269713 | HEAT TREATMENT EQUIPMENT - The invention provides a heat treatment apparatus, in which an intake valve ( | 10-29-2009 |
Byung Gil Ha, Gimhae-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100134059 | BRUSHLESS MOTOR APPARATUS - A blushless direct current (BLDG) motor apparatus includes: a stator which is provided with a plurality of windings corresponding to N phases and wound in parallel independently of each other; a rotor which has a plurality of poles corresponding to the plurality of windings and rotates with respect to the stator by excitation of the windings; a switching unit which is provided in the form of a full H-bridge with respect to each phase, comprises a pair of upper switching devices corresponding to a (+) side of the winding and a pair of lower switching devices corresponding to a (−) side of the winding, and performs a switching operation to supply or not to supply driving power to the winding; a first sensing device which senses the phase of the rotor with respect to the stator to determine whether to turn on or off the upper switching device; a second sensing device which is provided in the latter part than the first sensing device and senses the phase of the rotor with respect to the stator to determine whether to turn on or off the lower switching device; and a controller which uses a partial square wave to drive the upper switching device and the lower switching device on the basis of the sensed phase of the rotor, and controls the lower switching device to be turned off later than the upper switching device by more than a time to exhaust an electric current staying in the winding. | 06-03-2010 |
Byung Gil Lee, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20090126416 | STRUCTURE OF DRIVING UNIT IN DRUM TYPE WASHING MACHINE FOR COMMERICAL USE - The present invention relates to a structure of a driving unit in a drum type washing machine for commercial use, and more particularly, to a structure of a driving unit in a drum type washing machine for commercial use that is capable of at any time supplying oil to bearings fitted onto the outer periphery of a driving shaft so as to smoothly rotate the driving shaft and prevent the bearings from being damaged or broken, and is capable of immediately discharging washing water in a tub to the outside, when washing water flows to the driving unit during the rotation of the driving shaft. The structure of the driving unit in a drum type washing machine for commercial use can supply oil at any time to the interior of the driving unit through the first and second oil supply holes formed on the casing and the third packing member, thereby preventing the first and second bearings from being worn out and helping the driving shaft more smoothly rotated. | 05-21-2009 |
Byung Gil Ryu, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080203914 | PLASMA DISPLAY PANEL AND RELATED TECHNOLOGIES INCLUDING METHOD FOR MANUFACTURING THE SAME - A plasma display panel and a method for manufacturing the same, which are capable of achieving a reduction in the number of manufacturing processes and a reduction in manufacturing costs, are disclosed. The plasma display panel includes a first substrate including a first electrode, and a second substrate arranged to face the first substrate. The second substrate includes a second electrode arranged to intersect with the first electrode. At least one of the first and second electrodes include a powder mixture comprising Ag powder, and metal powder of at least one selected from a group consisting of Li, K, Ba, Ca, Na, Mg, Al, Zn, Fe, Cd, Co, Ni, Sn, Pb, Cu, Hg, Pt, and Au, and mixed with the Ag powder in a volume ratio of 0.1 to 50 mol % with respect to the Ag powder. | 08-28-2008 |
Byung-Gil Choi, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090034324 | NONVOLATILE MEMORY DEVICES THAT INCLUDE A WRITE CIRCUIT THAT WRITES DATA OVER MULTIPLE WRITE PERIODS USING PULSES WHOSE PEAKS DO NOT COINCIDE WITH EACH OTHER - Nonvolatile memory devices include a plurality of nonvolatile memory cells and a write circuit that is operable to write data to the nonvolatile memory cells over a plurality of consecutive division write periods by generating a plurality of write pulses whose peaks do not coincide with one another to the nonvolatile memory cells. | 02-05-2009 |
| 20090175072 | PHASE-CHANGE RANDOM ACCESS MEMORY DEVICES AND RELATED METHODS OF OPERATION - A phase-change random access memory (PRAM) device includes a plurality of banks, a plurality of column redundancy cell arrays, and a plurality of column redundancy write drivers. Each of the plurality of column redundancy cell arrays corresponds to at least one of the banks. Each of the plurality of column redundancy write drivers corresponds to at least one of the column redundancy cell arrays. The column redundancy write drivers are configured to transmit respective redundancy test data to the corresponding ones of the column redundancy cell arrays in response to a test control signal, which may be activated in response to each program pulse for writing data. Related test and access methods are also discussed. | 07-09-2009 |
| 20090296459 | Nonvolatile Memory Device Using Variable Resistive Element - A nonvolatile memory device may include a memory cell array with a plurality of nonvolatile memory cells arranged in an array of rows and columns. Each of a plurality of bit lines may be coupled to nonvolatile memory cells in a respective one of the columns of the array, and each of a plurality of column selection switches may be coupled to a respective one of the bit lines. A column decoder may be coupled to the plurality of column selection switches, and the column decoder may be configured to select a first one of the bit lines using a first column selection signal having a first signal level applied to a first one of the column selection switches. The column decoder may be further configured to select a second one of the bit lines using a second column selection signal having a second signal level applied to a second one of the column selection switches with the second signal level being different than the first signal level. | 12-03-2009 |
| 20100014345 | NONVOLATILE MEMORY DEVICE WITH TEMPERATURE CONTROLLED COLUMN SELECTION SIGNAL LEVELS - A nonvolatile memory device includes a memory cell array with a matrix of nonvolatile memory cells. The nonvolatile memory cells may store data using variable resistive elements. A plurality of bitlines are coupled to a plurality of nonvolatile memory cell arrays in the memory cell array. A column selection circuit selects among the bitlines in response to a column selection signal. A controller regulates a level of the column selection signal in response to a temperature signal from a temperature sensor. The temperature sensor may be configured to measure temperature outside the nonvolatile memory device to generate the temperature signal. | 01-21-2010 |
| 20100027327 | Nonvolatile Memory Devices Having Variable-Resistance Memory Cells and Methods of Programming the Same - Nonvolatile memory devices include an array of variable-resistance memory cells and a write driver electrically coupled to the array. The write driver is configured to drive a bit line in the array of variable-resistance memory cells with a stair-step sequence of at least two unequal bit line voltages during an operation to program a variable-resistance memory cell in said array. This stair-step sequence of at least two unequal bit line voltages includes a precharge voltage (e.g., Vcc-Vth) at a first step and a higher boosted voltage (e.g., Vpp-Vth) at a second step that follows the first step. | 02-04-2010 |
| 20100046286 | RESISTIVE MEMORY DEVICES USING ASSYMETRICAL BITLINE CHARGING AND DISCHARGING - A nonvolatile memory device includes a plurality of memory banks, each including a plurality of nonvolatile resistive memory cells (e.g. PRAM cells). The device also includes a write global bitline shared by the memory banks and a read global bitline shared by the memory banks. The device further includes a control circuit configured to write data to a selected nonvolatile memory cell in a first memory bank using the write global bitline while reading data from a selected nonvolatile memory cell in a second memory bank using the read global bitline such that a discharge time period of the write global bitline is longer than a quenching time period of a write current which flows through the nonvolatile memory cell of the first memory bank. | 02-25-2010 |
| 20100061146 | Nonvolatile Memory Devices Including Variable Resistive Elements - A nonvolatile memory device may include a memory cell array having a plurality of nonvolatile memory cells arranged in a matrix including a plurality of rows of the nonvolatile memory cells. Each of a plurality of word lines may be coupled with nonvolatile memory cells of a respective row of the matrix. A row decoder may be coupled to the plurality of word lines with the row decoder being configured to disable at least one of the word lines using a row bias having a level that is adjusted responsive to changes in temperature. Such a nonvolatile memory device may operate with reduced standby currents. | 03-11-2010 |
Byung-Gil Lee, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090115600 | CONTEXT-AWARE BASED RFID PRIVACY CONTROL SYSTEM AND PERSONAL PRIVACY PROTECTION METHOD USING THE SAME - Disclosed are a Radio Frequency Identification (RFID) personal privacy control system and a personal privacy protection method using the same which may dynamically process a privacy level according to peripheral circumstances of an RFID tagged object and an owner of the object, thereby securely protecting personal information associated with the RFID tag. The RFID privacy control server, the RFID privacy control server includes a context-aware information collecting unit to collect at least one context-aware information about a user; a privacy level adjusting unit to adjust a privacy level of the user based on the collected context-aware information; and a privacy control unit to determine, according to the adjusted privacy level, whether access of an RFID reader to RFID tag information is allowed, the RFID tag information corresponding to an RFID tag associated with the user. | 05-07-2009 |
Byung-Gil Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100131849 | METHOD AND APPARATUS FOR PROVIDING ADVERTISING MOVING PICTURE - Provided are a method and apparatus for providing an advertising moving picture. According to the method and apparatus, a user searches a list of moving picture clips which are created in advance and directly selects moving picture clips suitable for his (or her) product, arranges the moving picture clips, inputs caption texts to correspond to the moving picture clips, and combines the moving picture clips with background music pieces, so that his (or her) own advertising moving picture can be easily created. In addition, even in case of using the apparatus or method, a user having no advertisement idea may not easily create an advertising moving picture. Such a user can use the advertising moving pictures that are created by other users and modify some portions of the advertising moving pictures to create an advertising moving picture, so that any user can easily create the advertising moving picture. In addition, according to the method and apparatus for providing an advertising moving picture, other users who register advertising contents such as moving picture clips and background music pieces or advertising moving pictures are given some portions of fees that are paid by the user who uses the registered advertising contents or advertising moving pictures, so that various advertising contents can be uploaded and generation of advertising moving pictures can be actively promoted. | 05-27-2010 |