NL190336A - - Google Patents
Info
- Publication number
- NL190336A NL190336A NL190336DA NL190336A NL 190336 A NL190336 A NL 190336A NL 190336D A NL190336D A NL 190336DA NL 190336 A NL190336 A NL 190336A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT326379X | 1953-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL190336A true NL190336A (en:Method) |
Family
ID=11235548
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL90932D NL90932C (en:Method) | 1953-09-29 | ||
| NL190336D NL190336A (en:Method) | 1953-09-29 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL90932D NL90932C (en:Method) | 1953-09-29 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH326379A (en:Method) |
| NL (2) | NL190336A (en:Method) |
-
0
- NL NL90932D patent/NL90932C/xx active
- NL NL190336D patent/NL190336A/xx unknown
-
1954
- 1954-09-24 CH CH326379D patent/CH326379A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH326379A (de) | 1957-12-15 |
| NL90932C (en:Method) |