BE387178A - - Google Patents
Info
- Publication number
- BE387178A BE387178A BE387178DA BE387178A BE 387178 A BE387178 A BE 387178A BE 387178D A BE387178D A BE 387178DA BE 387178 A BE387178 A BE 387178A
- Authority
- BE
- Belgium
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
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE733549X | 1931-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE387178A true BE387178A (en:Method) |
Family
ID=20319615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387178D BE387178A (en:Method) | 1931-03-16 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE387178A (en:Method) |
| DE (1) | DE599391C (en:Method) |
| FR (1) | FR733549A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2561298A (en) * | 1948-01-30 | 1951-07-17 | Vanheerswynghels Joseph | Impulse transmitter for automatic telephone systems |
| CH272955A (fr) * | 1948-06-14 | 1951-01-15 | Kaelin Pierre | Poste téléphonique. |
| NL191437A (en:Method) * | 1953-10-10 | |||
| DE2940608C2 (de) * | 1979-10-06 | 1983-11-17 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Fernsprechapparat |
-
0
- BE BE387178D patent/BE387178A/xx unknown
-
1931
- 1931-08-15 DE DET39308D patent/DE599391C/de not_active Expired
-
1932
- 1932-03-15 FR FR733549D patent/FR733549A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR733549A (fr) | 1932-10-07 |
| DE599391C (de) | 1934-07-11 |