BE488671A - - Google Patents
Info
- Publication number
- BE488671A BE488671A BE488671DA BE488671A BE 488671 A BE488671 A BE 488671A BE 488671D A BE488671D A BE 488671DA BE 488671 A BE488671 A BE 488671A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/046—Signalling the blowing of a fuse
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2601429X | 1948-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE488671A true BE488671A (en:Method) |
Family
ID=19874964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE488671D BE488671A (en:Method) | 1948-04-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2601429A (en:Method) |
| BE (1) | BE488671A (en:Method) |
| FR (1) | FR985195A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2799849A (en) * | 1956-01-09 | 1957-07-16 | Light House Inc | Control means for fog signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US439392A (en) * | 1890-10-28 | Thomas a | ||
| FR720500A (fr) * | 1931-07-21 | 1932-02-19 | Coupe-circuit automatique à signalisation lumineuse et sonore | |
| US2317030A (en) * | 1939-07-21 | 1943-04-20 | Rca Corp | Fuse indicating system |
| US2414932A (en) * | 1945-12-06 | 1947-01-28 | Samuel J Crockett | Lighting system for automobiles or the like |
-
0
- BE BE488671D patent/BE488671A/xx unknown
-
1949
- 1949-02-15 US US76504A patent/US2601429A/en not_active Expired - Lifetime
- 1949-04-25 FR FR985195D patent/FR985195A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR985195A (fr) | 1951-07-16 |
| US2601429A (en) | 1952-06-24 |