BE342415A - - Google Patents
Info
- Publication number
- BE342415A BE342415A BE342415DA BE342415A BE 342415 A BE342415 A BE 342415A BE 342415D A BE342415D A BE 342415DA BE 342415 A BE342415 A BE 342415A
- Authority
- BE
- Belgium
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE634052X | 1926-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE342415A true BE342415A (en:Method) |
Family
ID=6579204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE342415D BE342415A (en:Method) | 1926-05-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE342415A (en:Method) |
| FR (1) | FR634052A (en:Method) |
-
0
- BE BE342415D patent/BE342415A/xx unknown
-
1927
- 1927-05-09 FR FR634052D patent/FR634052A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR634052A (fr) | 1928-02-09 |