JPS55140954A - Block error correcting device - Google Patents
Block error correcting deviceInfo
- Publication number
- JPS55140954A JPS55140954A JP4859279A JP4859279A JPS55140954A JP S55140954 A JPS55140954 A JP S55140954A JP 4859279 A JP4859279 A JP 4859279A JP 4859279 A JP4859279 A JP 4859279A JP S55140954 A JPS55140954 A JP S55140954A
- Authority
- JP
- Japan
- Prior art keywords
- error
- information
- circuit
- block
- bit
- 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.)
- Granted
Links
Abstract
PURPOSE: To realize the correcting function for the single bit block error with a small bit number and the simple circuit constitution, by using together the 1-bit error correction, the single bit block error detection code and the block pointer each.
CONSTITUTION: Input information given from information source 1 is applied to syndrome producing circuit 3. Thus syndrome 4 is produced based on information 2 and then applied to syndrome decoding circuit 5 to be decoded. In such way, the error of information 2 is checked. And the error bit is pointed out in the case of the 1-bit error; while the error is pointed out among the erroneous blocks by using together block pointer 7 from block pointer generating circuit 6 in the case of the block error. Then error pointer 9 is applied to correcting circuit 10 for correction of information 2. At the same time, error detecting circuit 12 receives error detecting information from circuit 5, syndrome 4 and pointer 7 each, and then produces error type point-out signal 13 based on these information to then deliver signal 13.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54048592A JPS6040055B2 (en) | 1979-04-20 | 1979-04-20 | Block error correction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54048592A JPS6040055B2 (en) | 1979-04-20 | 1979-04-20 | Block error correction device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55140954A true JPS55140954A (en) | 1980-11-04 |
JPS6040055B2 JPS6040055B2 (en) | 1985-09-09 |
Family
ID=12807666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54048592A Expired JPS6040055B2 (en) | 1979-04-20 | 1979-04-20 | Block error correction device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6040055B2 (en) |
-
1979
- 1979-04-20 JP JP54048592A patent/JPS6040055B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6040055B2 (en) | 1985-09-09 |
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