发明名称 |
Still picture picturephone communication system. |
摘要 |
A still picture picturephone communication system for transmitting and receiving a still picture over a telephone circuit including a handshaking process wherein prior to still picture transmission, identification code data indicating a function of picturephone set is transmitted and received, and decision is made as to whether the still picture is being transmitted or not, wherein a designation code of a desired response waiting time within an identification code data used at the time of handshaking is formed, and the response is delayed by a period of time corresponding to the response waiting time, a still picture data is directly transmitted and received without handshaking, a character data including character information and the like is transmitted and received, manipurating a picturephone set on one party can be made a picturephone set on the other party to transmit a picture data therefrom, furthermore, the picture sent from the called party can be transferred to a third party. <IMAGE> |
申请公布号 |
EP0602010(A1) |
申请公布日期 |
1994.06.15 |
申请号 |
EP19940102328 |
申请日期 |
1988.10.27 |
申请人 |
LUMA TELECOM, INC.;MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
EMMONS, LAWRENCE DEE;MACKLEY, JAMES SCOTT;OHTSUKA, HIROSHI, C/O MITSUBISHI DENKI K.K.;UENO, YUTAKA, C/O MITSUBISHI DENKI K.K. |
分类号 |
H04N1/327;H04N7/14 |
主分类号 |
H04N1/327 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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