FR964612A - - Google Patents
Info
- Publication number
- FR964612A FR964612A FR964612DA FR964612A FR 964612 A FR964612 A FR 964612A FR 964612D A FR964612D A FR 964612DA FR 964612 A FR964612 A FR 964612A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB963148A GB647852A (en) | 1948-04-06 | 1948-04-06 | Fire alarm signal systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR964612A true FR964612A (en) | 1950-08-19 |
Family
ID=9875708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR964612D Expired FR964612A (en) | 1948-04-06 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH269678A (en) |
| FR (1) | FR964612A (en) |
| GB (1) | GB647852A (en) |
-
0
- FR FR964612D patent/FR964612A/fr not_active Expired
-
1948
- 1948-04-06 GB GB963148A patent/GB647852A/en not_active Expired
- 1948-04-10 CH CH269678D patent/CH269678A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB647852A (en) | 1950-12-20 |
| CH269678A (en) | 1950-07-15 |