JPH0415704U - - Google Patents
Info
- Publication number
- JPH0415704U JPH0415704U JP5812890U JP5812890U JPH0415704U JP H0415704 U JPH0415704 U JP H0415704U JP 5812890 U JP5812890 U JP 5812890U JP 5812890 U JP5812890 U JP 5812890U JP H0415704 U JPH0415704 U JP H0415704U
- Authority
- JP
- Japan
- Prior art keywords
- monitor
- signals
- monitors
- signal
- sudden changes
- 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
- 238000004886 process control Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 4
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Safety Devices In Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990058128U JP2514675Y2 (ja) | 1990-05-31 | 1990-05-31 | プロセス制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990058128U JP2514675Y2 (ja) | 1990-05-31 | 1990-05-31 | プロセス制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0415704U true JPH0415704U (US06623731-20030923-C00052.png) | 1992-02-07 |
| JP2514675Y2 JP2514675Y2 (ja) | 1996-10-23 |
Family
ID=31583459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990058128U Expired - Lifetime JP2514675Y2 (ja) | 1990-05-31 | 1990-05-31 | プロセス制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2514675Y2 (US06623731-20030923-C00052.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000112502A (ja) * | 1998-10-08 | 2000-04-21 | Hitachi Ltd | 制御系自動復旧回路 |
| US8799707B2 (en) | 2011-06-28 | 2014-08-05 | Mitsubishi Heavy Industries, Ltd. | Redundant system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5374595U (US06623731-20030923-C00052.png) * | 1976-11-25 | 1978-06-21 | ||
| JPS54138971A (en) * | 1978-03-24 | 1979-10-27 | Gen Electric | Monitoring circuit |
-
1990
- 1990-05-31 JP JP1990058128U patent/JP2514675Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5374595U (US06623731-20030923-C00052.png) * | 1976-11-25 | 1978-06-21 | ||
| JPS54138971A (en) * | 1978-03-24 | 1979-10-27 | Gen Electric | Monitoring circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000112502A (ja) * | 1998-10-08 | 2000-04-21 | Hitachi Ltd | 制御系自動復旧回路 |
| US8799707B2 (en) | 2011-06-28 | 2014-08-05 | Mitsubishi Heavy Industries, Ltd. | Redundant system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2514675Y2 (ja) | 1996-10-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |