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In the normal developing process of capitalistic economy, the monetary and financial system was formed ineviatably concomitant with the developing process of productivity departments and assumed the form of making process in reciprocal action of production, exchange and consumption. However, the developing process of Korean captalism was entirely different from the normal developing process and there was no exception in the change of monetary and financial system. It was because, when Japan invaded Korea politically or economically, they regarded the control of money and finance as the first steps for invasion. For this purpose, on the opportunity of the peace treaty between Lee Dynasty art Japan under the pressure of Japan , the Japanese escablished their colonial financial system on this lard with their banks-the modern financial institution - infiltrated. Consequently, Korea was accepted the first modern fiancial institution by Japan and in order to cope with this established the modern national financial institution at last, but it did not give satisfactory results. Throughout the invading process of the Japanese bank into Korea during the Port Opening Era (1876-1910), we can find out the for lowing charcteristice. 1. All the branches of the Japanese bank in Korea were no other than the merchants' bank founded by Japanese merchants. All the central figures of those who had founded the bratnches in Korea were edther great businessmen or rich merchants. 2. In addition to their usual functions, all the branches of the Japanese bank in Korea dealt with the special affairs, the purchase of gold bullion , the treatment of national funds and the maritime custom duties, and lending toward Korean government, etc. AccordingIy they served as the colonial bank with the above functons. 3. Though the Japanese were much opposed to the ppossility of the Korean national bank growing as national funds, they Permitted the survival of national bank under the colonial financial system and tried to even help the national bank to grow to that extent. 4. The Japanse tried only to solidify the subordinate relationship under the control of their financial funds throughout the indirect control of Korean mational bank. It is that Korean kept up its political independence until 1904, and that the financial power of Korean national banks was not worth looking at, and because they did not want to stimuulate the Koreas fruitlessly. 5. Though Korean national bank did not give satisfactory results and suffered the exploitation from the Japanese, it was established and developed under the idea of competition, rivalry, anti-Japan, and resistance to Japan, etc. 6. All the branches of the Japanese bank had the Japanese as their customers and bank loans were spent exclusively on tray. That is to say, the branches were the provider of money needed for the Japanese financial invasion of Korea. 7. There had been the traditional financial organizations in Korea before the port Opening Era, but they were all abandoned to the fate of the forced dismemberment by the aggressive foreign financial institution.
Recently, for enhanced productivity the induction of CAD/CAM is vigorous. Most of high-level CAD/CAM systems produce powerful faculties. But it is very expensive to purchase the system in small and difficult to be operated by non-experienced workers effectively. Then the resonable CAM system for these is needed. In this study we developed a proto-type of the CAM system for CNC lathe connecting with personal computer. This system is configured with interactive menu windows for easy control of CNC lathe. And the system supports tool path generation for cutting conditions of workpiece. The performance of this system is satisfactory.
아날로그 감마카메라에 비해 디지털 카메라는 Q.C가 편리하고, Calibration과 조작이 매우 쉬운 장점들을 갖고 있어 영상 질을 향상시킬 뿐만 아니라 진단의 정확도를 높일 수 있다. 더욱이, 디지털 카메라로 획득한 디지털 영상은 PACS(Picture Archiving and Communication System) 뿐만 아니라 원격진료에도 활용될 수 있다. 그러나, 많은 병원들이 아직도 아날로그 카메라를 사용하고 있고 이들을 디지털 카메라로 대체하기는 어려운 상황에 있다. 본 연구는 아날로그 감마카메라를 디지털화 할 수 있는지의 가능성을 보는 것이었다. 카메라를 디지털화 한 후 균일도 계수능력 등의 물리적 특성을 측정하였다. 임상에서의 사용 가능성을 보기 위해 아날로그 시스템과 디지털 시스템을 동시에 연결하여 임상 데이터들을 획득하였다. 이들의 결과는 임상환경에서 아날로그 카메라를 디지털화 하 수 있다는 가능성을 보여주었다. Digital gamma camera has many advantages over analog gamma camera. These include convenient quality control, easy calibration and operation, and possible image quantitation which results in improving diagnostic accuracies. The digital data can also be utilized for telemedicine and picture archiving and communication system. However, many hospitals still operate analog cameras and have difficult situation to replace them with digital cameras. We have studied a feasibility of digitalizing an analog gamma camera into a digital camera using Gamma-PF interface board. The physical characteristics that we have measured are spatial resolution, sensitivity, uniformity, and image contrast. The patient's data obtained for both analog and digital camera showed very similar image quality. The results suggest that it may be feasible to upgrade an analog camera into a digital gamma camera in clinical environments.