NL36256C - - Google Patents
Info
- Publication number
- NL36256C NL36256C NL36256DA NL36256C NL 36256 C NL36256 C NL 36256C NL 36256D A NL36256D A NL 36256DA NL 36256 C NL36256 C NL 36256C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/40—Applications of speech amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1795295X | 1929-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL36256C true NL36256C (en:Method) |
Family
ID=7743630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL36256D NL36256C (en:Method) | 1929-05-06 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1795295A (en:Method) |
| FR (1) | FR691855A (en:Method) |
| NL (1) | NL36256C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE484067A (en:Method) * | 1947-10-28 |
-
0
- NL NL36256D patent/NL36256C/xx active
-
1930
- 1930-03-13 FR FR691855D patent/FR691855A/fr not_active Expired
- 1930-05-14 US US452417A patent/US1795295A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR691855A (fr) | 1930-10-28 |
| US1795295A (en) | 1931-03-10 |