BE631336A - - Google Patents
Info
- Publication number
- BE631336A BE631336A BE631336DA BE631336A BE 631336 A BE631336 A BE 631336A BE 631336D A BE631336D A BE 631336DA BE 631336 A BE631336 A BE 631336A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH422663A CH413915A (de) | 1963-04-03 | 1963-04-03 | Wechsel-Lautsprechanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE631336A true BE631336A (en:Method) |
Family
ID=4272146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE631336D BE631336A (en:Method) | 1963-04-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE631336A (en:Method) |
| CH (1) | CH413915A (en:Method) |
| NL (1) | NL291114A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559975A1 (fr) * | 1984-02-17 | 1985-08-23 | Thomson Csf | Interphone de bord |
-
0
- NL NL291114D patent/NL291114A/xx unknown
- BE BE631336D patent/BE631336A/xx unknown
-
1963
- 1963-04-03 CH CH422663A patent/CH413915A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559975A1 (fr) * | 1984-02-17 | 1985-08-23 | Thomson Csf | Interphone de bord |
Also Published As
| Publication number | Publication date |
|---|---|
| NL291114A (en:Method) | |
| CH413915A (de) | 1966-05-31 |