BE564961A - - Google Patents
Info
- Publication number
- BE564961A BE564961A BE564961DA BE564961A BE 564961 A BE564961 A BE 564961A BE 564961D A BE564961D A BE 564961DA BE 564961 A BE564961 A BE 564961A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH888296X | 1957-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE564961A true BE564961A (xx) |
Family
ID=4545451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE564961D BE564961A (xx) | 1957-02-19 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3160866A (xx) |
| BE (1) | BE564961A (xx) |
| CH (2) | CH351872A (xx) |
| DE (1) | DE1081804B (xx) |
| GB (1) | GB888296A (xx) |
| NL (2) | NL108575C (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3286246A (en) * | 1963-12-24 | 1966-11-15 | Coen Co | Annunciator for system malfunctions |
| IL27293A (en) * | 1966-03-10 | 1971-03-24 | Pyrotector Inc | Particle detector |
| US3573777A (en) * | 1968-12-09 | 1971-04-06 | Honeywell Inc | Combustion products detector control apparatus |
| SE355098B (xx) * | 1968-12-26 | 1973-04-02 | Tokyo Hochiki Kk | |
| US3657737A (en) * | 1969-12-29 | 1972-04-18 | Jeffrey E Hamm | Method of and device for smoke detection and circuits therefor |
| ZA71780B (en) * | 1970-03-31 | 1971-10-27 | Nittan Co Ltd | Fire alarming system |
| US3702468A (en) * | 1970-08-10 | 1972-11-07 | Nittan Co Ltd | Fire alarming system |
| US3728703A (en) * | 1970-10-12 | 1973-04-17 | Edward Co Inc | Fire detector stabilizer circuit |
| US3987423A (en) * | 1975-12-22 | 1976-10-19 | The United States Of America As Represented By The United States Energy Research And Development Administration | Ionization-chamber smoke detector system |
| US4117479A (en) * | 1976-04-16 | 1978-09-26 | American District Telegraph Company | Multi-mode intrusion alarm system |
| US4481502A (en) * | 1982-03-26 | 1984-11-06 | Dawson N Rick | Central smoke alarm and annunciator |
| GB2217888A (en) * | 1988-04-30 | 1989-11-01 | Andrew Murrell | Locally sited intruder alarm signal and fault indicator unit |
| WO2008034080A2 (en) * | 2006-09-15 | 2008-03-20 | Nano-Proprietary, Inc. | Smoke detector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US947000A (en) * | 1909-03-03 | 1910-01-18 | John P Kelly | Fire-alarm system. |
| US1762906A (en) * | 1926-11-29 | 1930-06-10 | Reyrolle A & Co Ltd | Electric signaling or control system |
| DE825224C (de) * | 1949-10-07 | 1951-12-17 | Anton John | Elektrische Alarmanlage zur Anzeige von unzulaessig hohen Temperaturen in Stapeln von Heu, Stroh u. dgl. |
| US2646556A (en) * | 1950-06-17 | 1953-07-21 | C O Two Fire Equipment Co | Supervised alarm system |
| FR1093208A (xx) * | 1953-02-14 | 1955-05-02 | ||
| US2971183A (en) * | 1956-06-11 | 1961-02-07 | Hagan Chemicals & Controls Inc | Monitoring equipment |
-
0
- BE BE564961D patent/BE564961A/xx unknown
- NL NL224947D patent/NL224947A/xx unknown
- NL NL108575D patent/NL108575C/xx active
-
1957
- 1957-02-19 CH CH351872D patent/CH351872A/de unknown
-
1958
- 1958-01-22 CH CH358719D patent/CH358719A/de unknown
- 1958-02-11 DE DEC16276A patent/DE1081804B/de active Pending
- 1958-02-19 GB GB5389/58A patent/GB888296A/en not_active Expired
-
1963
- 1963-04-15 US US272928A patent/US3160866A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1081804B (de) | 1960-05-12 |
| CH358719A (de) | 1961-11-30 |
| NL108575C (xx) | |
| GB888296A (en) | 1962-01-31 |
| US3160866A (en) | 1964-12-08 |
| CH351872A (de) | 1961-01-31 |
| NL224947A (xx) |