JPH0255360U - - Google Patents
Info
- Publication number
- JPH0255360U JPH0255360U JP13130288U JP13130288U JPH0255360U JP H0255360 U JPH0255360 U JP H0255360U JP 13130288 U JP13130288 U JP 13130288U JP 13130288 U JP13130288 U JP 13130288U JP H0255360 U JPH0255360 U JP H0255360U
- Authority
- JP
- Japan
- Prior art keywords
- mark
- optical
- linear uneven
- uneven shapes
- whose
- 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
- 230000003287 optical effect Effects 0.000 claims 6
- 238000001514 detection method Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13130288U JPH0255360U (de) | 1988-10-06 | 1988-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13130288U JPH0255360U (de) | 1988-10-06 | 1988-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255360U true JPH0255360U (de) | 1990-04-20 |
Family
ID=31387240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13130288U Pending JPH0255360U (de) | 1988-10-06 | 1988-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255360U (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106550A (en) * | 1977-02-25 | 1978-09-16 | Rca Corp | Identification card device |
| JPS54128221A (en) * | 1978-03-20 | 1979-10-04 | Landis & Gyr Ag | Optical reader |
| JPS5551233A (en) * | 1978-10-12 | 1980-04-14 | Tokyo Gas Co Ltd | Safety device for burning gas |
| JPS6244355B2 (de) * | 1980-06-19 | 1987-09-19 | Nippon Electric Co |
-
1988
- 1988-10-06 JP JP13130288U patent/JPH0255360U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106550A (en) * | 1977-02-25 | 1978-09-16 | Rca Corp | Identification card device |
| JPS54128221A (en) * | 1978-03-20 | 1979-10-04 | Landis & Gyr Ag | Optical reader |
| JPS5551233A (en) * | 1978-10-12 | 1980-04-14 | Tokyo Gas Co Ltd | Safety device for burning gas |
| JPS6244355B2 (de) * | 1980-06-19 | 1987-09-19 | Nippon Electric Co |