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삼차원 Euclid 공간E3에서 공간곡선의 Spherical Indicatrix 에 관한 연구
정상기 한국수학교육학회 1982 수학교육 Vol.20 No.3
Many interesting properties of a space curve C in E³ may be investigated by means of the concept of spherical indicatrix of tangent, principal normal, or binormal to C. The purpose of the present paper is to derive the representations of the Frenet frame field, curvature, and torsion of spherical indicatrix to C in terms of the quantities associated with C. Furthermore, several interesting properties of spherical indicatrix are found in the present paper.
정상기 한국지식재산학회 2005 産業財産權 Vol.- No.17
The advent of the World Wide Web only compounds the temporary copy problem Temporary copying is inherent to digital technology. Unless it results in the making of a permanent copy, or in a public performance or display, the legitimate interests of the rightsholder have not been harmed. Moreover, even if the temporary copy does result in the making of a permanent copy, or a public performance or display, then the copyright analysis should focus on that permanent copy or public performance or display, and not the temporary copy. Treating temporary copies as potentially infringing copies has imposed needless complexity and uncertainty on the Internet. Since the Internet operates by packets of information moving from the RAM of one server to the RAM of the next, the Internet involves the making of copies that the Korean Court decision and Copyright Act do not considers to be potentially unlawful yet. The copyright owner to control the reproduction of his work is fundmental to the essence of copyright. In this paper, I will discuss that right in relation to copies made in the RAM of a computer (temporary copies )
鄭相冀 한국지식재산학회 2003 産業財産權 Vol.- No.13
For the management of IP, collective management of copyright has been very common, but not that of patents in our country. But, it takes a growing interests in collective management of patents because of the advantages of collective management, and recently our government has enacted and/or changed several concerned acts. But, in spite of these legislative improvements, there are some problems to be reformed continually, such as the relative absence of trust management agencies, the disorderliness of collective management agencies or TLO, etc. So, this article proposes the methods of reforming our current legal system ⅰ) to promote the use of trust management system, ⅱ) to merge and abolish concerned collective management agencies, ⅲ) to establish "a regional TLO" for the replace of current system that is one TLO per one R&D institute, ⅳ) to strengthen the function of "KISTI" which is the clearing-house of scientific, technological, engineering informations in our country, etc.
정상기 한국지식재산학회 2006 産業財産權 Vol.- No.19
It is required to manage 'public IT resources'(public information resources), which is at a cost of enormous national budget. However, the public information resources management has been focused on the functional management rather than the property management. Moreover, there has not been any efforts to legislate for the property management of public information resources. This article analyzes the current national property system and proposes some systemic reforms for the public information resources property management.