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공급업자 역량이 공급업자와 구매업자의 장기지향적 거래관계에 미치는 영향
이용학(Yong-Hak Lee),한상린(Sang-Lin Han),나준희(June-Hee Na),윤동한(Donghan Yoon) 한국유통학회 2008 流通硏究 Vol.13 No.4
최근 산업재 시장에서 구매업자와 공급업자 간의 거래는 장기지향적 관계를 추구하고 있으며, 이를 위해 공식적 혹은 비공식적 계약이 이용되고 있다. 환경이 급변함에 따라 거래의 유연성이 요구됨에도 불구하고, 구매업자는 제한된 합리성으로 인해 환경변화의 예측에 어려움이 있다. 이러한 측면에서 본 연구는 산업재 시장에서 공급업자의 역량이 구매업자와 공급업자 간의 장기지향성에 어떠한 영향을 미치는 지에 대해서 파악하고자 하였다. 즉, 공급업자의 R&D, 유연성, 브랜드 자산, 시장정보활동, 고객지원활동과 같은 공급업자역량이 장기지향성에 미치는 영향에 있어서 신뢰와 의존성의 매개효과를 검증하기 위해 화장품 산업을 대상으로 자료를 수집하고 이를 분석하였다. 본 연구결과는 화장품 산업의 공급업자 역량을 이해함에 있어서 중요한 의미를 지니고 있다. 아울러 본 연구에서는 분석결과의 실무적 시사점 및 한계점이 제시되었다. Transaction between industrial suppliers and their buyers in business markets increasingly take place in the form of long-term business relationships. These relationships are governed through formal or informal agreements. Dynamic business markets are also forcing B2B marketers to create flexibility in their firms. However, buyers are bound in their rationality and find it impossible to contemplate all possible future contingencies. The more formal and detailed the contracts they conclude, the likelier it becomes that at least one buyer is going to perceive a need to adjust the initial agreement as environmental events unfold. In this case, the actor relies upon industrial supplier’s competence. Our study purpose is to examine the consequences of supplier's competence on the industrial customer-supplier long-term relationship. Antecedent variables of supplier competence include R&D, flexibility, brand asset, market sensing, and customer support service. We presented a comprehensive constructive model consisting of components of supplier's competence and the antecedent factors. Research hypotheses were developed and data were gathered from respondents who work in the cosmetics industry. The results discussed here represent a first step towards a better understanding of the role of supplier competence in the B-to-B cosmetics industry. Managerial implications and the limitations of this research were also discussed.
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면방전 AC PDP에서 콘트라스트 개선을 위한 구동 파형과 회로설계
안양기,윤동한,김태형 國立金烏工科大學校 産業技術開發硏究院 2002 産業技術開發硏究 Vol.18 No.-
This paper proposes a method to drive an AC plasma display panel(PDP) with a significantly improved contrast ratio. In the proposed method, during the first sub-field of one frame, all PDP cells are reset by the ramp waveform, and during the other sub-fields, only the cells turned on in the previous sub-field are reset. No light is emitted during the reset period of every sub-field except the first sub-field. For a 10-bit picture, the luminance of the dark level for the proposed method is 10 times lower than that for the conventional method, in which the ramp waveform for the reset is used in every sub-field. Accordingly, the contrast ratio for the proposed method is 10 times higher than that for the conventional method. For the 10-bit picture, the measured contrast ratio was about 3080:1 for the proposed method and about 185:1 for the conventional method, resulting in 10.8 times increase in the contrast ratio. This result shows that the proposed method can realize an image with high contrast ratio.
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김보관,申鉉哲,尹東漢,朱東翼 金烏工科大學校 1981 論文集 Vol.2 No.-
A moving table driven by a stepping motor is designed and manufactured. The position error of the table is less than 0.02mm. Switching regulator is used to supply power to the motor whose windings are driven in unipolar two phase mode. The table is also able to be driven by a micro computer.
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