NL7208514A - - Google Patents
Info
- Publication number
- NL7208514A NL7208514A NL7208514A NL7208514A NL7208514A NL 7208514 A NL7208514 A NL 7208514A NL 7208514 A NL7208514 A NL 7208514A NL 7208514 A NL7208514 A NL 7208514A NL 7208514 A NL7208514 A NL 7208514A
- Authority
- NL
- Netherlands
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
- F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2231/00—Fail safe
- F23N2231/04—Fail safe for electrical power failures
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Combustion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15506271A | 1971-06-21 | 1971-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7208514A true NL7208514A (xx) | 1972-12-27 |
Family
ID=22553977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7208514A NL7208514A (xx) | 1971-06-21 | 1972-06-21 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3710149A (xx) |
| BE (1) | BE785154A (xx) |
| CA (1) | CA980894A (xx) |
| CH (1) | CH541774A (xx) |
| DE (1) | DE2230343C3 (xx) |
| FR (1) | FR2143133B1 (xx) |
| GB (1) | GB1388057A (xx) |
| NL (1) | NL7208514A (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2238393A5 (xx) * | 1973-07-17 | 1975-02-14 | Rv Const Electriques | |
| US3903418A (en) * | 1973-12-14 | 1975-09-02 | Forney International | Infrared dynamic flame detector |
| US3866130A (en) * | 1974-03-07 | 1975-02-11 | Rockwell International Corp | Signal comparator with programmed threshold |
| US3958126A (en) * | 1974-11-25 | 1976-05-18 | Electronics Corporation Of America | Logic circuitry |
| US3995221A (en) * | 1975-03-20 | 1976-11-30 | Electronics Corporation Of America | Flame responsive system |
| US4257759A (en) * | 1979-03-15 | 1981-03-24 | Honeywell Inc. | Fuel burner primary control means |
| JP2887993B2 (ja) * | 1991-10-25 | 1999-05-10 | 日本電気株式会社 | 周波数ミキサ回路 |
| US5227639A (en) * | 1991-12-16 | 1993-07-13 | Honeywell Inc. | Infrared-based sensing circuit providing an output simulating the output of a flame rod sensor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3178583A (en) * | 1960-04-04 | 1965-04-13 | Motorola Inc | Transistor voltage comparator circuit |
| US3033996A (en) * | 1960-11-15 | 1962-05-08 | Robert R Atherton | Voltage comparator having pulse generator operative when input voltage back-biases comparison diode |
| US3492589A (en) * | 1967-04-03 | 1970-01-27 | Honeywell Inc | Failsafe circuit apparatus |
| US3601614A (en) * | 1970-05-25 | 1971-08-24 | Chrysler Corp | Automatic anti-glare rearview mirror system |
-
1971
- 1971-06-21 US US00155062A patent/US3710149A/en not_active Expired - Lifetime
-
1972
- 1972-06-20 GB GB2888472A patent/GB1388057A/en not_active Expired
- 1972-06-20 FR FR727222224A patent/FR2143133B1/fr not_active Expired
- 1972-06-20 CA CA145,232A patent/CA980894A/en not_active Expired
- 1972-06-20 BE BE785154A patent/BE785154A/xx unknown
- 1972-06-21 DE DE2230343A patent/DE2230343C3/de not_active Expired
- 1972-06-21 CH CH929572A patent/CH541774A/de not_active IP Right Cessation
- 1972-06-21 NL NL7208514A patent/NL7208514A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1388057A (en) | 1975-03-19 |
| DE2230343C3 (de) | 1975-06-12 |
| CH541774A (de) | 1973-09-15 |
| DE2230343B2 (de) | 1974-10-17 |
| FR2143133A1 (xx) | 1973-02-02 |
| FR2143133B1 (xx) | 1973-07-13 |
| BE785154A (fr) | 1972-10-16 |
| CA980894A (en) | 1975-12-30 |
| US3710149A (en) | 1973-01-09 |
| DE2230343A1 (de) | 1972-12-28 |