JPS55104155A - Data transmission and reception system using circurating code - Google Patents
Data transmission and reception system using circurating codeInfo
- Publication number
- JPS55104155A JPS55104155A JP1130679A JP1130679A JPS55104155A JP S55104155 A JPS55104155 A JP S55104155A JP 1130679 A JP1130679 A JP 1130679A JP 1130679 A JP1130679 A JP 1130679A JP S55104155 A JPS55104155 A JP S55104155A
- Authority
- JP
- Japan
- Prior art keywords
- synchronism
- bit
- circuit
- fixed pattern
- fixed
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
Abstract
PURPOSE:To surely and quickly perform the judgement of synchronizing position, by inserting fixed bit for synchronism in the hole length bit of specific pattern so that the circulating code can detect the error to the out of synchronism. CONSTITUTION:The data in l-bit inputted from the data signal input terminal 1 is in circulating code into n-bit with the circulating code circuit 2, and the coded signal added with the fixed bit for synchronism produced from the fixed pattern generating circuit 5 is outputted from the output terminal 7. Next, the reception data input is decoded at the composite circuit 11 and outputs the composite data to the output terminal 12. On the other hand, the reception signal enters the shift register 15. The register 15 has the output of m-sets at the position corresponding to the fixed pattern for synchronism, and the fixed pattern detection circuit 16 detects the fixed pattern for synchronism by using it. Further, the judgement circuit 14 is not detected at the detection circuit 16 for the fixed pattern and if the content of the register 15 is in error, the display of out of synchronism is outputted to the output terminal 18.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1130679A JPS55104155A (en) | 1979-02-02 | 1979-02-02 | Data transmission and reception system using circurating code |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1130679A JPS55104155A (en) | 1979-02-02 | 1979-02-02 | Data transmission and reception system using circurating code |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55104155A true JPS55104155A (en) | 1980-08-09 |
Family
ID=11774312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1130679A Pending JPS55104155A (en) | 1979-02-02 | 1979-02-02 | Data transmission and reception system using circurating code |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55104155A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5912653A (en) * | 1982-07-13 | 1984-01-23 | Nec Corp | Synchronizing circuit of error correcting decoder |
-
1979
- 1979-02-02 JP JP1130679A patent/JPS55104155A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5912653A (en) * | 1982-07-13 | 1984-01-23 | Nec Corp | Synchronizing circuit of error correcting decoder |
JPH0139258B2 (en) * | 1982-07-13 | 1989-08-18 | Nippon Electric Co |
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