BE488984A - - Google Patents
Info
- Publication number
- BE488984A BE488984A BE488984DA BE488984A BE 488984 A BE488984 A BE 488984A BE 488984D A BE488984D A BE 488984DA BE 488984 A BE488984 A BE 488984A
- 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
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB31185/47A GB632279A (en) | 1947-11-25 | 1947-11-25 | Improvements in fire alarm apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE488984A true BE488984A (US07534539-20090519-C00280.png) |
Family
ID=10319272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE488984D BE488984A (US07534539-20090519-C00280.png) | 1947-11-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2587762A (US07534539-20090519-C00280.png) |
| BE (1) | BE488984A (US07534539-20090519-C00280.png) |
| GB (1) | GB632279A (US07534539-20090519-C00280.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2667630A (en) * | 1950-12-22 | 1954-01-26 | Jorgensen Asger Lars | Automatic fire alarm system |
| US2759174A (en) * | 1952-08-26 | 1956-08-14 | American District Telegraph Co | Fire detector |
| US2827624A (en) * | 1955-10-27 | 1958-03-18 | Specialties Dev Corp | Electrical network for detecting heat due to various causes |
| US3798971A (en) * | 1971-11-01 | 1974-03-26 | Lowrance Electronics Mfg | Temperature differential sensor for gliders |
| US4521120A (en) * | 1983-09-15 | 1985-06-04 | The United States Of America As Represented By The Secretary Of Agriculture | Forest fire rate of spread with timers method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US245272A (en) * | 1881-08-09 | beight | ||
| US419710A (en) * | 1890-01-21 | Electric protective system | ||
| US2000074A (en) * | 1928-03-08 | 1935-05-07 | Kidde & Co Walter | Supervised electric system |
| US2003358A (en) * | 1929-11-21 | 1935-06-04 | Kidde & Co Walter | System for indicating the presence and location of fire |
| US1954832A (en) * | 1930-02-11 | 1934-04-17 | Vega Manuf | Automatic starter |
| US2003443A (en) * | 1931-06-09 | 1935-06-04 | American Telephone & Telegraph | Contactor indicator |
| US2236891A (en) * | 1937-07-17 | 1941-04-01 | Gamewell Co | Fire alarm system |
| US2219262A (en) * | 1937-07-21 | 1940-10-22 | Western Union Telegraph Co | System for detecting and locating defects in cable sheaths |
| US2302593A (en) * | 1940-02-09 | 1942-11-17 | Brown Instr Co | Control apparatus |
| US2448575A (en) * | 1942-06-18 | 1948-09-07 | Brown Instr Co | Electrical instrument follow-up system |
| US2412471A (en) * | 1943-07-02 | 1946-12-10 | Honeywell Regulator Co | Air-speed responsive device |
| US2398892A (en) * | 1943-07-08 | 1946-04-23 | Edison Inc Thomas A | Resistor bulb |
-
0
- BE BE488984D patent/BE488984A/xx unknown
-
1947
- 1947-11-25 GB GB31185/47A patent/GB632279A/en not_active Expired
-
1948
- 1948-11-18 US US60790A patent/US2587762A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB632279A (en) | 1949-11-18 |
| US2587762A (en) | 1952-03-04 |
