JPS63187459U - - Google Patents
Info
- Publication number
- JPS63187459U JPS63187459U JP7946387U JP7946387U JPS63187459U JP S63187459 U JPS63187459 U JP S63187459U JP 7946387 U JP7946387 U JP 7946387U JP 7946387 U JP7946387 U JP 7946387U JP S63187459 U JPS63187459 U JP S63187459U
- Authority
- JP
- Japan
- Prior art keywords
- call
- switching
- contact
- base unit
- line
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7946387U JPS63187459U (OSRAM) | 1987-05-26 | 1987-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7946387U JPS63187459U (OSRAM) | 1987-05-26 | 1987-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63187459U true JPS63187459U (OSRAM) | 1988-11-30 |
Family
ID=30929346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7946387U Pending JPS63187459U (OSRAM) | 1987-05-26 | 1987-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63187459U (OSRAM) |
-
1987
- 1987-05-26 JP JP7946387U patent/JPS63187459U/ja active Pending
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