发明名称 Teleconferencing system.
摘要 <p>The teleconferencing system includes three or more audiographic teleconferencing terminals where any one of the terminals can act as a sending terminal and/or a receiving terminal during a teleconferencing session. Each terminal includes means for establishing a broadcast and listen protocol that permits a sending terminal to transmit a facsimile image to multiple receiver terminals simultaneously.</p>
申请公布号 EP0254591(A2) 申请公布日期 1988.01.27
申请号 EP19870306580 申请日期 1987.07.24
申请人 RICOH CORPORATION 发明人 SPRINGER, ROBERT M.;SCHMAL, RICHARD L.;GAVENMAN, EUGENE H.
分类号 H04M9/00;H04N1/32;H04N1/42 主分类号 H04M9/00
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