@article{oai:nipr.repo.nii.ac.jp:00002494, author = {Muramoto,Hiroyuki and Ogawa,Mitsuhiro and Suzuki,Michihiko and Naito,Yasuhiko}, journal = {Memoirs of National Institute of Polar Research. Special issue}, month = {Mar}, note = {P(論文), For over 10 years, Little Leonardo has been developing digital data loggers for use in diverse research on marine animals. In this paper, the authors give an overview of Little Leonardo digital data loggers, the difficulties of designing a digital data logger and the possibilities for future improvements. Current data loggers are adequate to monitor animals in the field but several improvements are needed and the performance of Little Leonardo loggers will improve as future technologies are incorporated.}, pages = {196--202}, title = {Little Leonardo digital data logger: its past, present and future role in bio-logging science}, volume = {58}, year = {2004} }