JPS6325794Y2 - - Google Patents
Info
- Publication number
- JPS6325794Y2 JPS6325794Y2 JP18689580U JP18689580U JPS6325794Y2 JP S6325794 Y2 JPS6325794 Y2 JP S6325794Y2 JP 18689580 U JP18689580 U JP 18689580U JP 18689580 U JP18689580 U JP 18689580U JP S6325794 Y2 JPS6325794 Y2 JP S6325794Y2
- Authority
- JP
- Japan
- Prior art keywords
- detection relay
- relay
- signal
- contact
- call
- 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 20
- 230000004044 response Effects 0.000 claims description 11
- 230000004913 activation Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18689580U JPS6325794Y2 (en:Method) | 1980-12-25 | 1980-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18689580U JPS6325794Y2 (en:Method) | 1980-12-25 | 1980-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57109660U JPS57109660U (en:Method) | 1982-07-06 |
| JPS6325794Y2 true JPS6325794Y2 (en:Method) | 1988-07-13 |
Family
ID=29989237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18689580U Expired JPS6325794Y2 (en:Method) | 1980-12-25 | 1980-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6325794Y2 (en:Method) |
-
1980
- 1980-12-25 JP JP18689580U patent/JPS6325794Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57109660U (en:Method) | 1982-07-06 |
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