JPS645179U - - Google Patents
Info
- Publication number
- JPS645179U JPS645179U JP9787987U JP9787987U JPS645179U JP S645179 U JPS645179 U JP S645179U JP 9787987 U JP9787987 U JP 9787987U JP 9787987 U JP9787987 U JP 9787987U JP S645179 U JPS645179 U JP S645179U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- optical sensor
- light receiving
- reads
- recording medium
- 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 description 8
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Measuring Magnetic Variables (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9787987U JPS645179U (fr) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9787987U JPS645179U (fr) | 1987-06-25 | 1987-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645179U true JPS645179U (fr) | 1989-01-12 |
Family
ID=31323656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9787987U Pending JPS645179U (fr) | 1987-06-25 | 1987-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645179U (fr) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4932130A (fr) * | 1972-07-27 | 1974-03-23 |
-
1987
- 1987-06-25 JP JP9787987U patent/JPS645179U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4932130A (fr) * | 1972-07-27 | 1974-03-23 |