BE450242A - - Google Patents
Info
- Publication number
- BE450242A BE450242A BE450242DA BE450242A BE 450242 A BE450242 A BE 450242A BE 450242D A BE450242D A BE 450242DA BE 450242 A BE450242 A BE 450242A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/58—Thermally-sensitive members actuated due to thermally controlled change of magnetic permeability
-
- 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
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR238410X | 1942-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450242A true BE450242A (pt) |
Family
ID=8883057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE450242D BE450242A (pt) | 1942-04-25 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE450242A (pt) |
| CH (1) | CH238410A (pt) |
-
0
- BE BE450242D patent/BE450242A/xx unknown
-
1943
- 1943-04-21 CH CH238410D patent/CH238410A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH238410A (fr) | 1945-07-15 |