JPS4977073A - - Google Patents
Info
- Publication number
- JPS4977073A JPS4977073A JP48122295A JP12229573A JPS4977073A JP S4977073 A JPS4977073 A JP S4977073A JP 48122295 A JP48122295 A JP 48122295A JP 12229573 A JP12229573 A JP 12229573A JP S4977073 A JPS4977073 A JP S4977073A
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
- Regulation And Control Of Combustion (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00303239A US3849056A (en) | 1972-11-02 | 1972-11-02 | Computer based plant protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4977073A true JPS4977073A (en:Method) | 1974-07-25 |
Family
ID=23171154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48122295A Pending JPS4977073A (en:Method) | 1972-11-02 | 1973-11-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3849056A (en:Method) |
| JP (1) | JPS4977073A (en:Method) |
| CA (1) | CA1000835A (en:Method) |
| DE (1) | DE2354050A1 (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954383A (en) * | 1973-09-17 | 1976-05-04 | Electronics Corporation Of America | Burner control system |
| US4015548A (en) * | 1975-06-25 | 1977-04-05 | Combustion Engineering, Inc. | Distributed programmable control system |
| JPS5444236A (en) * | 1977-09-16 | 1979-04-07 | Hitachi Ltd | Check circuit for combustion control timer |
| US4839818A (en) * | 1987-09-25 | 1989-06-13 | Essex Group, Inc. | Magnet wire oven control apparatus |
| US4963088A (en) * | 1988-09-01 | 1990-10-16 | Honeywell Inc. | Safety-related parameter inputs for microprocessor ignition controller |
| US7289861B2 (en) * | 2003-01-28 | 2007-10-30 | Fisher-Rosemount Systems, Inc. | Process control system with an embedded safety system |
| US7865251B2 (en) * | 2003-01-28 | 2011-01-04 | Fisher-Rosemount Systems, Inc. | Method for intercontroller communications in a safety instrumented system or a process control system |
| JP5421660B2 (ja) * | 2009-06-09 | 2014-02-19 | アズビル株式会社 | 燃焼炉制御装置 |
| JP6274593B1 (ja) * | 2017-09-28 | 2018-02-07 | Toto株式会社 | 衛生洗浄装置 |
| US11424865B2 (en) | 2020-12-10 | 2022-08-23 | Fisher-Rosemount Systems, Inc. | Variable-level integrity checks for communications in process control environments |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3258053A (en) * | 1964-05-05 | 1966-06-28 | Combustion Eng | Automated burner control |
| US3324927A (en) * | 1965-02-04 | 1967-06-13 | Sarco Canada Ltd | Burner control system |
| DE2104913A1 (de) * | 1970-02-09 | 1971-10-28 | Normalair Garrett Ltd | Programmzeitgeber |
| US3741246A (en) * | 1970-10-14 | 1973-06-26 | Westinghouse Electric Corp | Steam turbine system with digital computer position control having improved automatic manuel interaction |
| US3684423A (en) * | 1970-11-23 | 1972-08-15 | Electronics Corp America | Burner control system |
-
1972
- 1972-11-02 US US00303239A patent/US3849056A/en not_active Expired - Lifetime
-
1973
- 1973-09-18 CA CA181,355A patent/CA1000835A/en not_active Expired
- 1973-10-29 DE DE19732354050 patent/DE2354050A1/de active Pending
- 1973-11-01 JP JP48122295A patent/JPS4977073A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3849056A (en) | 1974-11-19 |
| DE2354050A1 (de) | 1974-06-06 |
| CA1000835A (en) | 1976-11-30 |