Chung, Busan
Hae Sock Chung, Busan KR
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20140160625 | MULTILAYER CERAMIC DEVICE - Disclosed herein is a multilayer ceramic device including a device body having lateral surfaces and circumferential surfaces connecting the lateral surfaces, an internal electrode disposed in a length direction of the device body within the device body, an external electrode having a front portion covering the lateral surface and a band portion extending from the front portion to cover a portion of the circumferential surface, and a reinforcement pattern extending from the lateral surface toward the interior of the device body and having a length longer than a width of the band portion. | 06-12-2014 |
Hee-Yun Chung, Busan KR
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20110102909 | LENS BARREL AND DIGITAL CAMERA INCLUDING THE SAME - A lens barrel includes a barrel case comprising a fixed barrel mounted to a camera body and a first movement barrel that is moveable along an optical axis according to a cam groove formed on an inner surface of the fixed barrel; and a lens assembly accommodated in the barrel case, wherein a tele section is a front portion of the cam groove and is oblique with respect to a rotational direction of the first movement barrel by a predetermined angle, wherein a front side is a side in a direction toward a subject. | 05-05-2011 |
20140347729 | ZOOM LENS BARREL ASSEMBLY AND ELECTRONIC APPARATUS INCLUDING THE SAME - A zoom lens barrel assembly includes a first barrel, a second barrel, a lens barrier, and a transparent member. The first barrel supports at least one lens. The second barrel surrounds at least a portion of an outer surface of the first barrel, and supports the first barrel to protrude along an optical axis direction. The lens barrier is disposed on a front side of the first barrel, and is moved in a direction that intersects an optical axis to expose the at least one lens when the first barrel is protruded. The transparent member is disposed on a front side of the lens barrier, and prevents impurities from entering the first barrel. | 11-27-2014 |
Sung Gyo Chung, Busan KR
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20120132415 | OIL-PRESSURE TYPE FIXED PISTON SAMPLER - The present invention relates to an oil-pressure type fixed piston sampler for sampling a soil sample for site investigation. The oil-pressure type fixed piston sampler comprises a sampling unit ( | 05-31-2012 |
Wan Young Chung, Busan KR
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20140213882 | ELECTRODE STRUCTURE FOR MEASURING BIO-SIGNAL AND APPARATUS FOR MEASURING ELECTROCARDIOGRAM USING THE SAME - The electrode structure for measuring a bio-signal and an apparatus for measuring an electrocardiogram using the same are disclosed. The electrode structure for measuring a bio-signal, comprises an electrode pad to measure bio-signals based on capacitive coupling between the electrode pad and human skin; an absorption layer formed at one side of the electrode pad; and a preamplifier which is electrically connected with the electrode pad and filters noise from the bio-signals from the electrode pad and amplifies and outputs the signals. Thus, the initial noise stabilization time can be reduced, and stable electrocardiogram signals can be obtained quickly without noises. | 07-31-2014 |
Won Sub Chung, Busan KR
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20090203824 | ANTIFOULING PAINT COMPOSITION - The present invention relates to an antifouling paint composition which is pro-environmental because it does not contain organotin and copper compound which are the major causes of maritime environmental pollution, and has excellent inhibitory effect on the adhesion of marine organisms on the surface. The antifouling paint composition of the present invention characteristically comprises a resin, tourmaline and an alkali metal, an alkali earth metal and/or an oxide thereof. | 08-13-2009 |
20120312331 | METHOD OF PREPROCESSING MAGNESIUM ALLOY FOR ELECTROPLATING - This invention relates to a method of preprocessing a magnesium alloy for electroplating, including pickling the magnesium alloy with an ethyleneglycol-nitric acid solution. | 12-13-2012 |
20150361575 | METHOD OF SURFACE-TREATING ALUMINUM MATERIAL FOR DISSIPATING HEAT - The present application relates to a method of surface-treating an aluminum material for dissipating heat, which is capable of increasing the radiation heat flux to thus enhance heat dissipation performance, and includes anodizing an aluminum material using an electrolyte composed of oxalic acid, and forming cobalt sulfide (CoS) in surface pores of the aluminum material thus sealing the surface of the aluminum material. | 12-17-2015 |
Woon Tae Chung, Busan KR
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20080203826 | Distributing Board Embedded Panel Transformer - The present invention relates to a distribution board having an embedded panel transformer. The distribution board includes a panel transformation unit (B), a terminal box ( | 08-28-2008 |
20080230322 | Small Power Elevator - A small power elevator system is installed in an elevator shaft of a building. The system includes a passenger or freight elevator car having an electronic scale installed in a bottom thereof to measure the weight of passengers or freight loaded therein; a counterweight connected to the elevator car and adapted to be moved in a direction opposite that of the elevator car by mass members added or removed according to the weight of the elevator car; a mass member feeder for feeding the mass members to the counterweight; and a control unit for controlling the mass members to be fed from the mass member feeder to the counterweight or discharged from the counterweight to the mass member feeder according to the weight of the elevator car. The system can reduce power consumption to thereby reduce electric charges such as basic rates and usage rates. | 09-25-2008 |
Yun Sung Chung, Busan KR
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20160084288 | SELF PIERCING PROJECTION WELDING RIVET, AND JOINED STRUCTURE AND JOINING METHOD USING THE RIVET - A self piercing projection welding rivet is disclosed. According to an exemplary embodiment of the present invention, a self piercing projection welding rivet for joining a non-ferrous material and a steel material may include a head portion, a shank portion integrally connected to the head portion for piercing the non-ferrous material, and a projection portion formed at a piercing end of the shank portion for being brought into contact with the steel material. | 03-24-2016 |
20160084290 | RIVET MODULE AND JOINING STRUCTURE AND METHOD USING THE SAME - A rivet module is disclosed. The rivet module is provided to join at least two sheets of base materials in a solid state, the rivet module including: i) a shank portion to be mounted on a reciprocal and rotatable joining tool; ii) a base material friction portion that is integrally connected to the shank portion and drills through the base material friction portion as the joining tool causes the base material friction portion to be rotated while applying pressure to the base materials; and iii) a base material fastening portion that is fixedly fitted to the shank portion, supports the base material friction portion, and is fastened to the base materials through a thread formed on the outer peripheral surface thereof. | 03-24-2016 |