NL291114A - - Google Patents
Info
- Publication number
- NL291114A NL291114A NL291114DA NL291114A NL 291114 A NL291114 A NL 291114A NL 291114D A NL291114D A NL 291114DA NL 291114 A NL291114 A NL 291114A
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL291114A true NL291114A (en:Method) |
Family
ID=4272146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL291114D NL291114A (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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2559975B1 (fr) * | 1984-02-17 | 1986-10-10 | Thomson Csf | Interphone de bord |
-
0
- BE BE631336D patent/BE631336A/xx unknown
- NL NL291114D patent/NL291114A/xx unknown
-
1963
- 1963-04-03 CH CH422663A patent/CH413915A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE631336A (en:Method) | |
| CH413915A (de) | 1966-05-31 |