JPS62104155U - - Google Patents
Info
- Publication number
- JPS62104155U JPS62104155U JP19508785U JP19508785U JPS62104155U JP S62104155 U JPS62104155 U JP S62104155U JP 19508785 U JP19508785 U JP 19508785U JP 19508785 U JP19508785 U JP 19508785U JP S62104155 U JPS62104155 U JP S62104155U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- detection coil
- comparator
- output
- lower limit
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009499 grossing Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Testing Of Coins (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985195087U JPH0426931Y2 (cg-RX-API-DMAC10.html) | 1985-12-20 | 1985-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985195087U JPH0426931Y2 (cg-RX-API-DMAC10.html) | 1985-12-20 | 1985-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62104155U true JPS62104155U (cg-RX-API-DMAC10.html) | 1987-07-02 |
| JPH0426931Y2 JPH0426931Y2 (cg-RX-API-DMAC10.html) | 1992-06-29 |
Family
ID=31152656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985195087U Expired JPH0426931Y2 (cg-RX-API-DMAC10.html) | 1985-12-20 | 1985-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426931Y2 (cg-RX-API-DMAC10.html) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869663A (en) * | 1971-06-11 | 1975-03-04 | Berliner Maschinenbau Ag | Method and apparatus for checking metallic objects by monitoring its effect on one cycle of an alternating field |
-
1985
- 1985-12-20 JP JP1985195087U patent/JPH0426931Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869663A (en) * | 1971-06-11 | 1975-03-04 | Berliner Maschinenbau Ag | Method and apparatus for checking metallic objects by monitoring its effect on one cycle of an alternating field |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0426931Y2 (cg-RX-API-DMAC10.html) | 1992-06-29 |