1. 1) Nakama, F., Ichikawa, M., Nagasawa, H., "Measurement of Contact Loss by Detecting Spark," Railway Technical Research Report, No.1251, September, 1983 (in Japanese).
2. 2) Shimizu, M., "Development of a Optical Fiber Type measuring Instrument of Arc Light," 1996 Annual Meeting Record IEE Japan, No.5-1263, pp.395-396, March, 1996 (in Japanese).
3. 3) Jutard, M., Fitaire, M., Leduc, É., "Moyens d'étude des arcs de rupture du contact pantographecatenaire," Revue Générale des Chemins de Fer, Vol.108, pp.5-15, 1989.
4. 4) EN50317, "Railway applications, Current collection systems, Requirements for and validation of measurements of the dynamic interaction between pantograph and overhead contact line," 2002.
5. 5) Nezu, K., Hayasaka, T., Shimizu, M., Ikeda, K., Suzuki, K., Tanamoto, F., "A Study on Contact Loss Arc Measurement by Ultraviolet Rays Detection," Proc. IEEJ on Transportation and Electric Railway, TER-08-13/LD-08-13, pp.1-6, 2008.