发明名称 |
High speed facsimile communication system |
摘要 |
A high-speed G3 facsimile communication system for shortening the time required for procedure control performed before transmission of image data is started, a quiescent time intervening between the connection of a receiver equipment to the transmission line and the starting of sending the control procedure signal CED is utilized for sending out a newly provided procedure shortening signal to the receiver equipment, and upon receiving a response of the receiver equipment indicating that the receiver is capable of communicating in an optional mode other than G3 mode, the sender station sends subsequently the requisite control procedure signal from the high-speed modem thereof.
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申请公布号 |
US4734780(A) |
申请公布日期 |
1988.03.29 |
申请号 |
US19860863502 |
申请日期 |
1986.05.15 |
申请人 |
HITACHI, LTD. |
发明人 |
IWATA, YOSHITAKA;SAKATA, KUNIHIRO;HIRANO, SHUICHI |
分类号 |
H04N1/32;H04N1/327;(IPC1-7):H04N1/32 |
主分类号 |
H04N1/32 |
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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