JPS6313581Y2 - - Google Patents
Info
- Publication number
- JPS6313581Y2 JPS6313581Y2 JP376783U JP376783U JPS6313581Y2 JP S6313581 Y2 JPS6313581 Y2 JP S6313581Y2 JP 376783 U JP376783 U JP 376783U JP 376783 U JP376783 U JP 376783U JP S6313581 Y2 JPS6313581 Y2 JP S6313581Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- sine wave
- led
- detection
- 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 25
- 230000005284 excitation Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 238000009499 grossing Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Prepayment Telephone Systems (AREA)
- Testing Of Coins (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP376783U JPS59113853U (ja) | 1983-01-15 | 1983-01-15 | 公衆電話機の貨幣に関する検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP376783U JPS59113853U (ja) | 1983-01-15 | 1983-01-15 | 公衆電話機の貨幣に関する検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59113853U JPS59113853U (ja) | 1984-08-01 |
| JPS6313581Y2 true JPS6313581Y2 (enrdf_load_stackoverflow) | 1988-04-18 |
Family
ID=30135380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP376783U Granted JPS59113853U (ja) | 1983-01-15 | 1983-01-15 | 公衆電話機の貨幣に関する検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59113853U (enrdf_load_stackoverflow) |
-
1983
- 1983-01-15 JP JP376783U patent/JPS59113853U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59113853U (ja) | 1984-08-01 |
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