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Jang Hoon

Jang Hoon Lee, Incheon KR

Patent application numberDescriptionPublished
20080222262Digital Album Service System for Showing Digital Fashion Created by Users and Method for Operating the Same - A system and method provide mobile services of a fashion album directly created by a user. A digital album service system and method provide wireless mobile services, wherein figures of a user's avatar wearing a variety of fashion items are provided in the form of a moving picture to a user connected to an avatar image server through a wired communication network using a personal computer (PC). A relevant image is provided in the form of a still picture and/or a mobile flash to a specific mobile communication terminal selected by the user, thereby allowing the user to view or download the image without restriction of time and space.09-11-2008

Jang Hoon Yang, Seoul KR

Patent application numberDescriptionPublished
20110090945METHOD AND APPARATUS FOR COOPERATIVE MIMO TRANSMISSION OPERATION IN MULTICELL WIRELESS NETWORK - A method and apparatus of configuring a multi-cell precoding matrix for a multiple input multiple output (MIMO) operation in a wireless communication system in which a plurality of base stations participate in cooperative communication is provided. A multi-cell precoding matrix is configured using one or more single-cell precoding matrices, and wherein coefficients to be multiplied by the single-cell precoding matrices satisfy a condition in which the product between the multi-cell precoding matrix and a Hermitian matrix of the multi-cell precoding matrix is a unitary matrix. According to the embodiment of the present invention, it is not necessary for all base stations to perfectly know channel information. In addition, a feedback overhead is not high, and complexity is low.04-21-2011

Jang Hoon Yang, Anyang-Si KR

Patent application numberDescriptionPublished
20090239473Method for transmitting channel information in multiple antenna system - A method for transmitting channel information in a multi-antenna system, the method includes calculating channel quality information (CQI) with respect to each mode, comparing the CQI with respect to each mode to a threshold value with respect to each mode, and transmitting CQI with respect to a mode having higher CQI than the threshold value as channel information. Good performance can be achieved regardless of the number of users or an SNR of users.09-24-2009

Jang-Hoon Kim, Seoul KR

Patent application numberDescriptionPublished
20110111032MANUFACTURING METHOD OF COLLAGEN GEL COMPOSITION FOR BONE REGENERATION - Disclosed herein is a method for preparing a collagen gel composition for bone regeneration comprising collecting bone marrow from animal tissues and isolating nucleated cells from the bone marrow; and mixing the nucleated cells and a bio-matrix composed of type I collagen and apatite.05-12-2011

Jang-Hoon Lee, Daegu-City KR

Patent application numberDescriptionPublished
20080213506CATALYST PRECURSOR COMPOSITION FOR ELECTROLESS PLATING, AND PREPARATION METHOD OF TRANSPARENT ELECTROMAGNETIC INTERFERENCE SHIELDING MATERIAL USING THE SAME - The present invention relates to a catalyst precursor composition for electroless plating, and more specifically, the present invention provides the catalyst precursor composition comprising (a) a reactive oligomer; (b) a reactive monomer; (c) a photoinitiator; (d) a catalyst precursor for electroless plating; and (e) a solvent, and a method of preparing the EMI shielding material with the same. The present invention provides an easy and simple method of preparing the EMI shielding material by using the catalyst precursor composition that contains a UV curable resin with good adhesion to the base material, thereby eliminating the need for pre-treating the base material with a receptive layer before electroless plating.09-04-2008

Jang-Hoon Lee, Seoul KR

Patent application numberDescriptionPublished
20100328750HIGH-SPEED OPTICAL MODULATOR AND METHOD OF MODULATING LIGHT BY USING THE SAME - Provided are a high-speed optical modulator and a method of modulating light by using the same. The optical modulator includes first and second resonance cavities that are sequentially stacked on a transparent substrate, wherein the first and second resonance cavities each include an electric-optical layer. According to the method, first and second voltages having different sizes are simultaneously applied respectively to the first and second resonance cavities, and then for the other configuration of the modulator mutually interchanged voltages are applied.12-30-2010

Jang-Hoon Yang, Sungnam-Si KR

Patent application numberDescriptionPublished
20090262670APPARATUS AND METHOD FOR ADAPTIVELY CHANGING UPLINK POWER CONTROL SCHEME ACCORDING TO MOBILE STATUS IN A TDD MOBILE COMMUNICATION SYSTEM - An apparatus and method for changing an uplink power control scheme according to mobile status in a TDD mobile communication system are provided. The communication system comprises a Subscriber Station (SS) for transmitting a power control change request message to a Base Station (BS) to change the power control scheme, and the BS for deciding to change the power control scheme between the open loop power control and closed loop power control, and transmitting a power control change response message the SS including the decided power control scheme.10-22-2009

Patent applications by Jang-Hoon Yang, Sungnam-Si KR

Jang-Hoon Yoo, Seoul KR

Patent application numberDescriptionPublished
20100295952IMAGE STABILIZING APPARATUS AND IMAGE PICKUP APPARATUS HAVING THE SAME - An image stabilizing apparatus may include a fixing member disposed to a lens assembly having a through hole of which a center coincides with an optical axis of the lens assembly, a moving member disposed to move perpendicular to the optical axis with respect to the fixing member having a lens holder projecting in a direction of the optical axis to hold a compensating lens, a driving portion causing the moving member to move in a first direction perpendicular to the optical axis and in a second direction perpendicular to the optical axis and the first direction, four position determining portions formed in the first direction and the second direction on an outer circumferential surface of the lens holder of the moving member, and four stoppers projecting from an outer circumferential surface of the through hole of the fixing member to the moving member.11-25-2010
20110063737COMPACT ZOOM OPTICAL SYSTEM - A zoom optical system including a first lens group including a plastic aspherical lens and having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power, wherein the first lens group, the second lens group and the third lens group are arrange sequentially from an object side to an image side, and wherein the plastic aspherical lens satisfies the following Inequality:03-17-2011
20110122269METHOD FOR COMPENSATING FOR VIBRATION AND IMAGING APPARATUS USING THE SAME - A method of compensating for vibration and an imaging apparatus are provided. The method of compensating for vibration includes determining whether a vibration compensation starting condition is satisfied, and starting compensating for vibration prior to operating a shutter, if the vibration compensation starting condition is satisfied. Accordingly, a shutter lag is reduced and power consumption is reduced, and accuracy of vibration compensation is improved.05-26-2011

Patent applications by Jang-Hoon Yoo, Seoul KR