USB (Universal Serial Bus) PC Camera
USB (Universal Serial Bus) is a new industry standard in PC architecture. It supports perfect Hot Plug-and Play, transfer rates up to 12 Mbps, and real-time data transfer for voice and video. The LG USB Camera takes advantage of these USB features so that the user doesn't need a capture card or incur additional costs. Also, users can plug or unplug it anytime. The camera is competitively priced and offers superb performance in video conferencing or image capture, featuring a high-resolution full-color, 270,000-pixel resolution CCD and 24-bit full-color image quality. It offers real-time video capability of 30 frames per second at QCIF mode, and picture quality can be adjusted by the software. It is compatible with Windows 95, Windows 98 and Windows NT 5.0 which will be released this year. The LG USB Camera can be used for video conferencing through the PSTN, ISDN or LAN networks, and is extremely versatile. It can capture an image for use on a post card or digital album, or send a personalized, live-video e-mail. It can also serve as a digital surveillance system in a home or office environment. Motion detection software is part of the total package to enable it to detect intruders or moving objects. It is anticipated demand for digital cameras will grow rapidly since they are essentially ?nput devices for multimedia systems. Video conferencing as a means of communication is gaining in popularity, and mobile multimedia services will begin operation soon, providing a further boost to the digital camera market.
High Isotactic Polypropylene
Eight companies presently produce PP products in Korea, and the volume of production of Korean PP far exceeds domestic consumption, indicating strong competition between PP resin makers. Even though two-thirds of made-in-Korea PP products are exported, every PP producer feels the need to boost the overall quality of their products to survive the harsh competitive environment both overseas and at home. Several years ago, Samsung General Chemicals launched several R&D projects to raise the level of quality of its PP products, one of them being the HIPP project. The objectives in developing HIPP were as follows:
From the mid-1980s onward there have been intensive R&D efforts among PP producers worldwide to develop HIPP. Most R&D has been related to new catalyst development in the solvent-using PP process, the so-called slurry process. The first successful commercial HIPP product was produced in the late 1980s in Japan for automobile application. Though SGC's R&D entry into this area was a little late compared to its foreign competitors, several technological breakthroughs have been accomplished in a relatively short period in the process of the company's development of HIPP. They include:
SGC's HIPP products have found an increasing number of industrial applications, such as electrical and automobile components, due to its excellent properties. The material's properties and its fields of application can be categorized as follows:
There has been growing demand for conventional PP material itself due to its low density, high rigidity, heat resistance and recyclability. HIPP, having higher material performance properties than conventional PP, gives further impetus to the increasingly growing field of PP application in worldwide markets. For example, the trend in auto part plastics is that they should have increasingly higher performance levels. Such levels are defined by lower density, higher rigidity and greater scratch resistance, while simultaneously maintaining good impact strength. The simplest way to meet this kind of demand is to substitute HIPP in auto plastics manufacture. In addition, the ever-increasing demands for material down-gauging, high processability and recyclability which is demanded of plastic in films as well as injection moldings, will further expand the area of HIPP application in near future.
V-6 Delta Engine
A Delta Engine-loaded vehicle can achieve a speed of 100 kilometers per hour in 9.3 seconds (equipped A/T), and requires 5.5 seconds to go from 60 to 100 kilometers per hour. To develop the Delta, the Hyundai Motor Company combined high-tech combustion and light-weight aluminum cylinder block technology to give the engine the high efficiency and low fuel consumption necessary to enable using models to be competitive in overseas markets. In particular, the use of light-weight parts such as the aluminum cylinder block and connecting rods plus optimal design through CAE (Computer Aided Engineering) made it possible to reduce engine weight compared to existing models by 20 percent (or 40 kilograms), so enhancing fuel consumption. The engine valve angle of the Delta Engine has been reduced to 25.1 degrees from the standard 57 degrees to optimize the shape of the compact combustion chamber and intake/exhaust manifold. This technique has served to improve combustion and intake efficiency to produce high performance at both high- and mid-range speeds. The Delta features improved NVH (Noise, Vibration, Harshness) levels through the application of new technologies such as CAE, EMA, and Sound Source Identification. Noise emission by the cylinder block has been ameliorated by EMA and FEA which reduce radiation noise for aluminum components. The aluminum oil pan has been adapted to reduce P/T mode vibration. The lower intake manifold has been designed to reduce vibration by the cylinder block. The design of all structures identified by sound analysis as a major source of NVH have been optimized through the application EMA and FEA. Sound absorption and shielding materials have been deployed in conjunction with other parts to ensure the maximum amount of noise reduction. The engine's front auxiliary driving system has been designed to reduce mesh noise and belt resonant noise. The Delta is the latest in Hyundai Motor Company's series of engines, which began with the Alpha (the first all-Korean developed engine), and was followed by the Beta and Epsilon. The company produced 300 prototype engines and 300 pilot cars, and undertook a full range of tests during the process of developing the Delta, a procedure which confirmed its high performance capabilities under climatic conditions of varying severity.
* The items featured in this article have been selected by the Korea Industrial Technology |