JPS5644924A - Transmission control system - Google Patents
Transmission control systemInfo
- Publication number
- JPS5644924A JPS5644924A JP12172079A JP12172079A JPS5644924A JP S5644924 A JPS5644924 A JP S5644924A JP 12172079 A JP12172079 A JP 12172079A JP 12172079 A JP12172079 A JP 12172079A JP S5644924 A JPS5644924 A JP S5644924A
- Authority
- JP
- Japan
- Prior art keywords
- data
- output
- input device
- control codes
- cpu1
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To make it unnecessary that each terminal device inputs and outputs address information, by adopting the constitution where each terminal device is fixed by the number of control codes.
CONSTITUTION: In case that CPU1 transmits data to the fourth output device, output data with three control codes added is transmitted to interface cable 14. The first output device deletes one control code and transmits output data with two control codes added to the second output device. Thus, only data comes to the fourth output device. Then, the fourth output device fetches data unconditionally. In case that the seventh input device transfers data to CPU1, only data is output to the sixth input device. The sixth input device adds a control code to receiving data and outputs data to the fifth input device. Thus, CPU1 receives six control codes and data. As a result, the input device from which data is transferred can be discriminated.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12172079A JPS5644924A (en) | 1979-09-21 | 1979-09-21 | Transmission control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12172079A JPS5644924A (en) | 1979-09-21 | 1979-09-21 | Transmission control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5644924A true JPS5644924A (en) | 1981-04-24 |
Family
ID=14818204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12172079A Pending JPS5644924A (en) | 1979-09-21 | 1979-09-21 | Transmission control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5644924A (en) |
-
1979
- 1979-09-21 JP JP12172079A patent/JPS5644924A/en active Pending
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