JPH0292261U - - Google Patents
Info
- Publication number
- JPH0292261U JPH0292261U JP80889U JP80889U JPH0292261U JP H0292261 U JPH0292261 U JP H0292261U JP 80889 U JP80889 U JP 80889U JP 80889 U JP80889 U JP 80889U JP H0292261 U JPH0292261 U JP H0292261U
- Authority
- JP
- Japan
- Prior art keywords
- communication line
- public communication
- detection circuit
- photocoupler
- normally closed
- 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 7
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP80889U JPH071883Y2 (ja) | 1989-01-10 | 1989-01-10 | 伝送装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP80889U JPH071883Y2 (ja) | 1989-01-10 | 1989-01-10 | 伝送装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0292261U true JPH0292261U (sv) | 1990-07-23 |
| JPH071883Y2 JPH071883Y2 (ja) | 1995-01-18 |
Family
ID=31200147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP80889U Expired - Lifetime JPH071883Y2 (ja) | 1989-01-10 | 1989-01-10 | 伝送装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071883Y2 (sv) |
-
1989
- 1989-01-10 JP JP80889U patent/JPH071883Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071883Y2 (ja) | 1995-01-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |