About YOSHIDA AKIRA
About 沖電気工業
About YAMAOKA SHINSUKE
About 沖電気工業
About TAYA TAKASHI
About 沖電気工業
About 電子情報通信学会大会講演論文集
About integrated communication network
About Telephone,data communication and exchange in general
About 伝送用データ
About 再生回路