@article{oai:niigata-u.repo.nii.ac.jp:00002672, author = {篠田, 庄司 and 仙石, 正和}, issue = {1}, journal = {シミュレーション, シミュレーション}, month = {Mar}, note = {Immediately after the invention of Volta battery, S.T. von Soemmerring observed that electric current through and acid solution caused bubbles to appear. He invented a telegraph system using this principle in 1809,which used 26 parallel wires to transmit letters of the alphabet a distance of up to two miles. In this article, we survey an early history of wired and wireless communication technologies, and state a perspective of mobile communication technology in the future.}, pages = {3--11}, title = {情報通信の誕生史と今後の方向(<小特集>移動通信)}, volume = {20}, year = {2001} }