JPS6172957U - - Google Patents
Info
- Publication number
- JPS6172957U JPS6172957U JP15579984U JP15579984U JPS6172957U JP S6172957 U JPS6172957 U JP S6172957U JP 15579984 U JP15579984 U JP 15579984U JP 15579984 U JP15579984 U JP 15579984U JP S6172957 U JPS6172957 U JP S6172957U
- Authority
- JP
- Japan
- Prior art keywords
- public telephone
- opening
- control line
- signal
- exchange
- 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 4
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- TVZRAEYQIKYCPH-UHFFFAOYSA-N 3-(trimethylsilyl)propane-1-sulfonic acid Chemical compound C[Si](C)(C)CCCS(O)(=O)=O TVZRAEYQIKYCPH-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Meter Arrangements (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15579984U JPH0246142Y2 (https=) | 1984-10-17 | 1984-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15579984U JPH0246142Y2 (https=) | 1984-10-17 | 1984-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6172957U true JPS6172957U (https=) | 1986-05-17 |
| JPH0246142Y2 JPH0246142Y2 (https=) | 1990-12-05 |
Family
ID=30713811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15579984U Expired JPH0246142Y2 (https=) | 1984-10-17 | 1984-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246142Y2 (https=) |
-
1984
- 1984-10-17 JP JP15579984U patent/JPH0246142Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246142Y2 (https=) | 1990-12-05 |
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