BE468184A - - Google Patents
Info
- Publication number
- BE468184A BE468184A BE468184DA BE468184A BE 468184 A BE468184 A BE 468184A BE 468184D A BE468184D A BE 468184DA BE 468184 A BE468184 A BE 468184A
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
- Interface Circuits In Exchanges (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB254967X | 1942-04-30 | ||
| GB110942X | 1942-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE468184A true BE468184A (en)van) |
Family
ID=26248048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468184D BE468184A (en)van) | 1942-04-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2367258A (en)van) |
| BE (1) | BE468184A (en)van) |
| CH (1) | CH254967A (en)van) |
| FR (1) | FR932231A (en)van) |
| GB (2) | GB557077A (en)van) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE469337A (en)van) * | 1945-10-19 |
-
0
- BE BE468184D patent/BE468184A/xx unknown
-
1942
- 1942-04-30 GB GB5819/42A patent/GB557077A/en not_active Expired
- 1942-09-11 GB GB12842/42A patent/GB560007A/en not_active Expired
- 1942-12-11 US US468625A patent/US2367258A/en not_active Expired - Lifetime
-
1945
- 1945-07-24 CH CH254967D patent/CH254967A/de unknown
-
1946
- 1946-08-13 FR FR932231D patent/FR932231A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB557077A (en) | 1943-11-03 |
| CH254967A (de) | 1948-05-31 |
| US2367258A (en) | 1945-01-16 |
| GB560007A (en) | 1944-03-15 |
| FR932231A (fr) | 1948-03-16 |