JPS6415447U - - Google Patents
Info
- Publication number
- JPS6415447U JPS6415447U JP10970787U JP10970787U JPS6415447U JP S6415447 U JPS6415447 U JP S6415447U JP 10970787 U JP10970787 U JP 10970787U JP 10970787 U JP10970787 U JP 10970787U JP S6415447 U JPS6415447 U JP S6415447U
- Authority
- JP
- Japan
- Prior art keywords
- tone
- telephone
- signal
- circuit
- ringing
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10970787U JPS6415447U (sv) | 1987-07-17 | 1987-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10970787U JPS6415447U (sv) | 1987-07-17 | 1987-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415447U true JPS6415447U (sv) | 1989-01-26 |
Family
ID=31346198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10970787U Pending JPS6415447U (sv) | 1987-07-17 | 1987-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415447U (sv) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492710U (sv) * | 1990-12-22 | 1992-08-12 | ||
| JPH04102709U (ja) * | 1991-02-05 | 1992-09-04 | 有限会社櫻井精技 | コレツトチヤツクの改良型エンドカバー |
| JPH055310U (ja) * | 1991-07-09 | 1993-01-26 | 大昭和精機株式会社 | 防塵シールとこれを用いた工具チヤツク |
| JPH0524206U (ja) * | 1991-09-11 | 1993-03-30 | 大昭和精機株式会社 | 工具チヤツク |
-
1987
- 1987-07-17 JP JP10970787U patent/JPS6415447U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492710U (sv) * | 1990-12-22 | 1992-08-12 | ||
| JPH04102709U (ja) * | 1991-02-05 | 1992-09-04 | 有限会社櫻井精技 | コレツトチヤツクの改良型エンドカバー |
| JPH055310U (ja) * | 1991-07-09 | 1993-01-26 | 大昭和精機株式会社 | 防塵シールとこれを用いた工具チヤツク |
| JPH0524206U (ja) * | 1991-09-11 | 1993-03-30 | 大昭和精機株式会社 | 工具チヤツク |