About SASAYAMA KOJI
About NTT 交換システム研
About OKUNO MASAYUKI
About NTT 光エレクトロニクス研
About HABARA KEISHI
About NTT 交換システム研
About 電子情報通信学会大会講演論文集
About exchange system
About Optical communication systems and equipment
About Exchange and switching systems
About マルチチャネル
About セレクタ
About 動作実験