JPH02113461U - - Google Patents
Info
- Publication number
- JPH02113461U JPH02113461U JP2301189U JP2301189U JPH02113461U JP H02113461 U JPH02113461 U JP H02113461U JP 2301189 U JP2301189 U JP 2301189U JP 2301189 U JP2301189 U JP 2301189U JP H02113461 U JPH02113461 U JP H02113461U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- line
- priority
- voltage detection
- circuit
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2301189U JPH0646121Y2 (ja) | 1989-02-28 | 1989-02-28 | 電話回線優先装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2301189U JPH0646121Y2 (ja) | 1989-02-28 | 1989-02-28 | 電話回線優先装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02113461U true JPH02113461U (en]) | 1990-09-11 |
| JPH0646121Y2 JPH0646121Y2 (ja) | 1994-11-24 |
Family
ID=31241644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2301189U Expired - Lifetime JPH0646121Y2 (ja) | 1989-02-28 | 1989-02-28 | 電話回線優先装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646121Y2 (en]) |
-
1989
- 1989-02-28 JP JP2301189U patent/JPH0646121Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646121Y2 (ja) | 1994-11-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |