| 摘要 |
PURPOSE:To realize an effective system in an image communication conference system by implementing pointing display for two positions or over to two or over image communication equipments so as to attain a clear multi-point image conference. CONSTITUTION:Image communication is conducted by interconnecting two or over speech channels and plural image communication equipments each having a three-party speech circuit in a chain with a speech link via a communication network. Two or over image communication equipments such as host and membership image communication equipments 11, 12-2 send their own pen pointing signals A, B as pointing information sets. Two positions or over of pointing indication are made to all of the image communication equipments. For example, two pointing indications of A and B indications are made to all the image communication equipments at multi-point by using a flag received from pointing information in which information relating to pointing indication and position of pointing locus is superimposed on transmission reception data. |
