Patent application number | Description | Published |
20130003199 | LENS UNIT, MANUFACTURING METHOD OF THE SAME, AND CAMERA MODULE INCLUDING THE SAME - Disclosed are a lens unit and a method of manufacturing the same. The lens unit includes a lens part including a curved region having a predetermined curvature; and a support part including a hole, in which the lens part is installed, and attached to the lens part at a lateral side of the hole. The lens part having the curvature and the support part of the lens unit are formed in separate processes such that the hole is formed in the support part having the strength, and the lens part is formed by filling the hole with the lens part, so that the movement of resin caused by shrinkage of the lens part when the lens part is cured is inhibited, and the support part and the lens part does not form the layered structure, thereby allowing the lens unit to be formed with a thin thickness. | 01-03-2013 |
20130070101 | Camera Module - Disclosed is a camera module. The camera module includes a lens assembly comprising a plurality of lens units having a polygonal outer peripheral portion, a lens barrel receiving the lens assembly, a fixing unit fixing the lens assembly to the lens barrel, a housing coupled with the lens barrel, and a sensor unit in the housing. The lens barrel is provided in a lower portion thereof with a receiving groove, and the receiving groove has a shape corresponding to a shape of the lens assembly | 03-21-2013 |
20130077183 | Camera Module - Disclosed is a camera module. The camera module includes a lens barrel; a first lens unit having a first outer peripheral shape in the lens barrel; a second lens unit having a second outer peripheral shape in the lens barrel; and a housing coupled with the lens barrel. | 03-28-2013 |
20150146311 | APPARATUS FOR FABRICATING LENS, METHOD OF FABRICATING LENS, AND LENS - Disclosed are an apparatus for fabricating a lens. The apparatus for fabricating a lens includes a molding frame to receive a source material injected through an injection port, and a light source or a heat source to irradiate a light or a heat onto the source material in the molding frame. The molding frame includes a plurality of molding grooves adjacent to each other and at two connection passages to connect the molding grooves to each other. | 05-28-2015 |
20150205186 | CAMERA MODULE - A camera module includes a lens holder, a base coupled to the lens holder and integrally formed with a cable by being molded with the cable, and a sealing member positioned at a coupled surface between the lens holder and the base. The lens holder includes a lens barrel including a first concave unit formed at a front surface with a hollow hole part to accommodate a first O-ring, and a second concave unit formed at a periphery to accommodate a second O-ring. A lens unit includes a front lens arranged at a front surface of a lens barrel and includes at least one lens arranged at the hollow hole part of the lens barrel, and a retainer including a recess groove configured to accommodate a third O-ring configured to fix the front lens by being formed at a periphery to be coupled at an inner surface to the periphery of the lens barrel. | 07-23-2015 |
20150251365 | APPARATUS FOR FABRICATING LENS, METHOD OF FABRICATING LENS AND LENS - An apparatus for fabricating a lens includes an injection port to inject a source material, a molding frame filled with the source material and including a plurality of forming molds adjacent to each other, and a light source or a heat source to cure the source material filled in the forming molds. The forming molds include at least four connection passages connected to the forming molds. A method for fabricating a lens includes injecting a source material through an injection port of a molding frame which includes a plurality of forming molds adjacent to each other and at least four connection passages connected to the forming molds, filling the source material in the forming molds and discharging the source material out of the forming molds through the connection passages, applying a pressure to the source material, and curing the source material. | 09-10-2015 |
Patent application number | Description | Published |
20120192241 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - An apparatus and method for processing digital broadcast signal are provided. The method for processing a broadcast signal includes forming a data group having mobile broadcast service data, where forming the data group includes mapping the mobile broadcast service data into corresponding locations of the data group, adding known data sequences and signaling data into the data group, inserting place holder bytes for MPEG header and non-systematic Reed-Solomon (RS) parity, and de-interleaving data of the data group having the mobile broadcast service data, known data sequences, signaling data and place holder bytes, and formatting mobile broadcast service data packets including the de-interleaved data of the data group, where formatting the mobile broadcast service data packets includes removing place holder bytes for the non-systematic RS parity, and replacing place holder bytes for the MPEG header with the MPEG header. | 07-26-2012 |
20140301376 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and a display unit. The first receiving unit receives a first broadcast signal including first mobile broadcast service data and first main broadcast service data. The second receiving unit receives a second broadcast signal including second mobile broadcast service data and second main broadcast service data. The known sequence detector detects at least one of known data included in the received first broadcast signal and known data included in the received second broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received first and second mobile broadcast service data corresponding to the detected known data. The display unit provides any one of first video data and second video data included in the channel-equalized first and second mobile broadcast service data to a user. | 10-09-2014 |
Patent application number | Description | Published |
20100269962 | METHOD FOR MANUFACTURING SUPER STRONG STEEL BODY FOR MANUFACTURE OF PRODUCTS WITH COMPLICATED SHAPE - The present invention relates to a method of manufacturing ultra-high strength steel products and, more particularly, to a method of manufacturing ultra-high strength steel products suitable for production of articles having a complicated shape or a high processing depth. The method includes preparing a steel sheet by blanking the steel sheet having hardenability to form a rough shape of a final product, cold-pressing the steel sheet to form a 50˜80% shape of the final product, precisely trimming the cold-formed steel sheet along a contour line corresponding to an outer contour of the final product, and hot-pressing the trimmed product to form the remaining 20˜50% shape of the final product and quenching simultaneous with hot-pressing, after heating the trimmed product to an austenite region of 700° C. or more. | 10-28-2010 |
20120216920 | AUTOMOBILE PART MANUFACTURING METHOD USING QUENCHED STEEL SHEET - Disclosed herein is method of manufacturing an automobile part having different local strengths, more particularly, a method of manufacturing an automobile part using a steel sheet subjected to heat-treatment hardening and having different local thicknesses. The method includes preparing blank sheets using steel sheets subjected to heat-treatment hardening and having different thicknesses or different material properties according to desired strength; forming a blank assembly by joining the blank sheets to each other via laser welding; cold-pressing the blank assembly; and heating the cold-pressed part to a temperature of AC | 08-30-2012 |
20140083574 | HEAT-HARDENED STEEL WITH EXCELLENT CRASHWORTHINESS AND METHOD FOR MANUFACTURING HEAT-HARDENABLE PARTS USING SAME - Disclosed are heat-hardened steel with excellent crashworthiness and a method for manufacturing heat-hardenable parts using the same. The heat-hardened steel according to the invention comprises, based on wt %; C: 0.12-0.8%; Cr: 0.01-2%; Mo: 0.2% or less; B: 0.0005-0.08%; Ca: 0.01 or less; Sb: 1.0% or less; and Ti and/or Nb: 0.2%; and the reminder being Fe and inevitable impurities. In addition, the heat-treatment hardening steel satisfies anyone of following conditions i)-iv), wherein condition i) comprises Si: 0.5-3%; Mn: 1-10% and Al: 0.05-2%; condition ii) comprises Si: 1% or less; Mn: 0.5-5%; Al: 0.1-2.5%; and Ni: 0.01-8%; condition iii) comprises Si: 0.5-3%; Mn: 1-10%; Al: 0.1% or less; and Ni: 0.01-8%; and condition iv) comprises Si: 0.5-3%; Mn: 1-10%; Al: 0.1-2.5%; and Ni: 0.01-8%. | 03-27-2014 |
20150211086 | PREPARATION METHOD OF STEEL PRODUCT HAVING DIFFERENT STRENGTHS USING LASER HEAT TREATMENT, AND HEAT HARDENED STEEL USED THEREIN - Disclosed are a preparation method of a steel product capable of local reinforcement using laser heat treatment, and a heat hardened steel used in the method. According to the present invention, the preparation method of a steel part comprises the following steps: (a) preparing a material comprising 0.1-0.5 wt % of C, 0.1-0.5 wt % of Si, 0.5-3.0 wt % of Mn, 0.1 wt % or less of P, 0.05 wt % or less of S, 0.01-1.0 wt % of Cr, 0.1 wt % or less of Al, 0.2 wt % or less of Ti, 0.0005-0.08 wt % of B, and the balance of Fe and inevitable impurities; (b) preparing a formed product by forming the material into a predetermined shape; and (c) locally reinforcing the high strength portion by carrying out laser heat treatment on a portion requiring high strength at the formed product. | 07-30-2015 |
Patent application number | Description | Published |
20090044062 | Method of testing a memory module and hub of the memory module - A method of testing a memory module comprising converting a hub of the memory module into a transparent mode, providing first data corresponding to a first address to the hub of the memory module, providing the first data of the hub of the memory module to a first address of a memory, providing first expected data to the hub of the memory module, outputting second data stored at the first address of the memory to the hub of the memory module, and comparing the second data with the first expected data. | 02-12-2009 |
20110001467 | METHOD OPTIMIZING DRIVING VOLTAGE AND ELECTRONIC SYSTEM - A method of optimizing a driving voltage of an electronic device includes; iteratively varying the level of a driving voltage provided to the electronic device and performing an operation of the electronic device with each iteration until the operation fails, and then selecting as an operating level for the driving voltage, a level of the driving voltage for an iteration just prior to an iteration in which the operation fails. | 01-06-2011 |
20110113296 | Method of testing a memory module and hub of the memory module - Example embodiments relate to a method and system of testing a memory module having the process of receiving single ended input signals via differential input terminals through which differential pairs of packet signals may be received from a testing equipment, wherein a number of terminals of the testing equipment may be different from a number of terminals of the memory module, and testing memory chips of the memory module based on the single ended input signals. | 05-12-2011 |
20120191964 | METHODS OF BOOTING INFORMATION HANDLING SYSTEMS AND INFORMATION HANDLING SYSTEMS PERFORMING THE SAME - A method of booting an information handling system including a volatile memory device to be selectively tested during a booting operation, the method comprising a step of reading current system configuration information from the information handling system, a step of comparing the current system configuration information with corresponding prestored system configuration information in a nonvolatile memory device, and a step of selectively performing a test for the volatile memory device according to a result of the comparison. | 07-26-2012 |
20140078846 | SEMICONDUCTOR MEMORY DEVICE CAPABLE OF PERFORMING REFRESH OPERATION WITHOUT AUTO REFRESH COMMAND - A semiconductor memory device includes an internal address generating circuit; an internal command generating circuit; and a memory cell array including one or more memory bank groups. The semiconductor memory device is configured such that when a read command or a write command is input, if a first portion of a plurality of memory banks of a first memory bank group from among one or more memory bank groups of the memory cell array performs a read operation or a write operation, a second portion of the plurality of memory banks of the first memory bank group performs a refresh operation. | 03-20-2014 |
20140143478 | SEMICONDUCTOR MEMORY DEVICE AND COMPUTER SYSTEM INCLUDING THE SAME - A semiconductor memory device includes a first memory block of a first type of memory; and a second memory block of a second type of memory having a different type from the first type. A first address region of the first memory block and a second address region of the second memory block are included in the same address domain. Each of the first and second memory blocks is accessed by an address signal including an address of the address domain, and the second memory block is a nonvolatile memory. | 05-22-2014 |