JPS6457850A - Digital signal transmission system - Google Patents
Digital signal transmission systemInfo
- Publication number
- JPS6457850A JPS6457850A JP62213935A JP21393587A JPS6457850A JP S6457850 A JPS6457850 A JP S6457850A JP 62213935 A JP62213935 A JP 62213935A JP 21393587 A JP21393587 A JP 21393587A JP S6457850 A JPS6457850 A JP S6457850A
- Authority
- JP
- Japan
- Prior art keywords
- level
- word synchronization
- split
- word
- synchronization
- 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 easily take bit synchronization and word synchronization at a receiver side, by converting a data part into a Split-Phase code, using a 4T for word synchronization and inserting same level signal consecutively for 3T during 4T period. CONSTITUTION:A data part is converted into a Split-Phase code causing positive polarity change with data '1' and negative polarity inversion with data '0' or vice versa. Assuming the minimum inverting interval of a digital data part be T, 4T is used for word synchronization, a 1st 1T is used for 1 level, 2nd-4th T as 0 level among the 4T and the 1st T is used for 0 level and the 2nd T-4th T are used for 1 level as word synchronizing pattern. In converting the digital data into the Split-Phase code, the same level signal only for 2T is generated at most consecutively. Thus, in inserting a signal consecutive for 3T as word synchronization and LR identification signal, the word synchronization is taken easily by the receiver side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62213935A JPS6457850A (en) | 1987-08-27 | 1987-08-27 | Digital signal transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62213935A JPS6457850A (en) | 1987-08-27 | 1987-08-27 | Digital signal transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6457850A true JPS6457850A (en) | 1989-03-06 |
Family
ID=16647484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62213935A Pending JPS6457850A (en) | 1987-08-27 | 1987-08-27 | Digital signal transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6457850A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6393082B1 (en) | 1997-11-06 | 2002-05-21 | Nec Corporation | Signal synchronism detecting circuit |
-
1987
- 1987-08-27 JP JP62213935A patent/JPS6457850A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6393082B1 (en) | 1997-11-06 | 2002-05-21 | Nec Corporation | Signal synchronism detecting circuit |
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