JPS6229837B2 - - Google Patents
Info
- Publication number
- JPS6229837B2 JPS6229837B2 JP56097150A JP9715081A JPS6229837B2 JP S6229837 B2 JPS6229837 B2 JP S6229837B2 JP 56097150 A JP56097150 A JP 56097150A JP 9715081 A JP9715081 A JP 9715081A JP S6229837 B2 JPS6229837 B2 JP S6229837B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- character
- code
- barcode
- signal
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims 1
- 239000000872 buffer Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/01—Details
- G06K7/016—Synchronisation of sensing process
- G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Character Discrimination (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56097150A JPS57211667A (en) | 1981-06-23 | 1981-06-23 | Preventing system for erroneous read |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56097150A JPS57211667A (en) | 1981-06-23 | 1981-06-23 | Preventing system for erroneous read |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57211667A JPS57211667A (en) | 1982-12-25 |
JPS6229837B2 true JPS6229837B2 (fr) | 1987-06-29 |
Family
ID=14184536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56097150A Granted JPS57211667A (en) | 1981-06-23 | 1981-06-23 | Preventing system for erroneous read |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57211667A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4728784A (en) * | 1987-01-30 | 1988-03-01 | Federal Express Corporation | Apparatus and method of encoding and decoding barcodes |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5461420A (en) * | 1977-10-25 | 1979-05-17 | Fujitsu Ltd | Data input system |
-
1981
- 1981-06-23 JP JP56097150A patent/JPS57211667A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5461420A (en) * | 1977-10-25 | 1979-05-17 | Fujitsu Ltd | Data input system |
Also Published As
Publication number | Publication date |
---|---|
JPS57211667A (en) | 1982-12-25 |
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