NL43675C - - Google Patents
Info
- Publication number
- NL43675C NL43675C NL43675DA NL43675C NL 43675 C NL43675 C NL 43675C NL 43675D A NL43675D A NL 43675DA NL 43675 C NL43675 C NL 43675C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT476917X | 1936-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL43675C true NL43675C (ko) |
Family
ID=3674856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL43675D NL43675C (ko) | 1936-05-22 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2161232A (ko) |
| FR (1) | FR827309A (ko) |
| GB (1) | GB476917A (ko) |
| NL (1) | NL43675C (ko) |
-
0
- NL NL43675D patent/NL43675C/xx active
-
1937
- 1937-03-16 GB GB7717/37A patent/GB476917A/en not_active Expired
- 1937-03-19 US US131949A patent/US2161232A/en not_active Expired - Lifetime
- 1937-05-14 FR FR827309D patent/FR827309A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR827309A (fr) | 1938-04-25 |
| US2161232A (en) | 1939-06-06 |
| GB476917A (en) | 1937-12-17 |