NL2305C - - Google Patents
Info
- Publication number
- NL2305C NL2305C NL2305DA NL2305C NL 2305 C NL2305 C NL 2305C NL 2305D A NL2305D A NL 2305DA NL 2305 C NL2305 C NL 2305C
- 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)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US443965XA | 1911-05-25 | 1911-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL2305C true NL2305C (https=) |
Family
ID=6012975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL2305D NL2305C (https=) | 1911-05-25 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE272989C (https=) |
| FR (2) | FR443965A (https=) |
| NL (1) | NL2305C (https=) |
-
0
- DE DENDAT272989D patent/DE272989C/de active Active
- FR FR17177A patent/FR17177E/fr not_active Expired
- NL NL2305D patent/NL2305C/xx active
-
1912
- 1912-05-18 FR FR443965A patent/FR443965A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE272989C (https=) | |
| FR443965A (fr) | 1912-10-07 |
| FR17177E (fr) | 1913-07-03 |