JPS52152117A - Information reader - Google Patents
Information readerInfo
- Publication number
- JPS52152117A JPS52152117A JP6871376A JP6871376A JPS52152117A JP S52152117 A JPS52152117 A JP S52152117A JP 6871376 A JP6871376 A JP 6871376A JP 6871376 A JP6871376 A JP 6871376A JP S52152117 A JPS52152117 A JP S52152117A
- Authority
- JP
- Japan
- Prior art keywords
- information reader
- circumfernece
- multifarious
- code
- bar
- 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: Average background light is obtained and this output signal is made a comparable reference signal, thereby making it possible to read information accurately even if the dirty condition of the circumfernece of the information part such as a bar-code is multifarious.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6871376A JPS52152117A (en) | 1976-06-14 | 1976-06-14 | Information reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6871376A JPS52152117A (en) | 1976-06-14 | 1976-06-14 | Information reader |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52152117A true JPS52152117A (en) | 1977-12-17 |
Family
ID=13381690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6871376A Pending JPS52152117A (en) | 1976-06-14 | 1976-06-14 | Information reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52152117A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6354682A (en) * | 1986-08-25 | 1988-03-09 | Matsushita Electric Ind Co Ltd | Optical reader |
JPS6354684A (en) * | 1986-08-25 | 1988-03-09 | Matsushita Electric Ind Co Ltd | Optical read method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4320430Y1 (en) * | 1968-03-21 | 1968-08-28 |
-
1976
- 1976-06-14 JP JP6871376A patent/JPS52152117A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4320430Y1 (en) * | 1968-03-21 | 1968-08-28 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6354682A (en) * | 1986-08-25 | 1988-03-09 | Matsushita Electric Ind Co Ltd | Optical reader |
JPS6354684A (en) * | 1986-08-25 | 1988-03-09 | Matsushita Electric Ind Co Ltd | Optical read method |
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