NL36258C - - Google Patents
Info
- Publication number
- NL36258C NL36258C NL51504A NL51504A NL36258C NL 36258 C NL36258 C NL 36258C NL 51504 A NL51504 A NL 51504A NL 51504 A NL51504 A NL 51504A NL 36258 C NL36258 C NL 36258C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
- H04M1/70—Lock-out or secrecy arrangements in party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL51504A NL36258C (fr) | 1930-05-05 | 1930-05-05 | |
| FR695320D FR695320A (fr) | 1930-05-05 | 1930-05-08 | Mode de montage d'une ligne de jonction, comportant plusieurs branchements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL51504A NL36258C (fr) | 1930-05-05 | 1930-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL36258C true NL36258C (fr) | 1935-09-16 |
Family
ID=19755569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL51504A NL36258C (fr) | 1930-05-05 | 1930-05-05 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR695320A (fr) |
| NL (1) | NL36258C (fr) |
-
1930
- 1930-05-05 NL NL51504A patent/NL36258C/xx active
- 1930-05-08 FR FR695320D patent/FR695320A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR695320A (fr) | 1930-12-13 |