发明名称 |
Data transmission/reception installation with parallel/serial and serial/parallel character conversion for data exchange between communicating data processing systems |
摘要 |
A data transmission/reception installation with parallel/serial and serial/parallel character conversion is disclosed which relieves the respective local data processing installation of all tasks connected with data transmission procedures. Both a temporal vitiation of the data processing operations as well as a reduction of the memory capacity available for the data processing operations are avoided. The data transmission/reception installation disclosed has a data transmission processor arranged within the respective data processing system between the local data processing installation and a data modem terminating a data line for controlling data transmission and reception procedures. The data transmission processor contains at least one microprocessor and a transcribable program memory. A cyclic redundancy check generator is provided by means of which a data transmission and reception monitoring corresponding to a stored test program can be carried out.
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申请公布号 |
US4271518(A) |
申请公布日期 |
1981.06.02 |
申请号 |
US19790023306 |
申请日期 |
1979.03.23 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
BIRZELE, PAUL;GEITZ, GERHARD |
分类号 |
G06F13/12;G06F13/38;(IPC1-7):G06F11/10 |
主分类号 |
G06F13/12 |
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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