BE376876A - - Google Patents
Info
- Publication number
- BE376876A BE376876A BE376876DA BE376876A BE 376876 A BE376876 A BE 376876A BE 376876D A BE376876D A BE 376876DA BE 376876 A BE376876 A BE 376876A
- 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)
- Mechanical Control Devices (AREA)
- Transmission Devices (AREA)
- Lock And Its Accessories (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US425422A US1837236A (en) | 1930-02-03 | 1930-02-03 | Impulse sender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE376876A true BE376876A (https=) |
Family
ID=23686505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE376876D BE376876A (https=) | 1930-02-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1837236A (https=) |
| BE (1) | BE376876A (https=) |
| FR (1) | FR711859A (https=) |
| GB (1) | GB368862A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2434959A (en) * | 1945-09-15 | 1948-01-27 | Bell Telephone Labor Inc | Call transmitter for interstate telephone communication |
| US2558827A (en) * | 1947-08-09 | 1951-07-03 | Haven Benjamin H De | Ash receiver |
-
0
- BE BE376876D patent/BE376876A/xx unknown
-
1930
- 1930-02-03 US US425422A patent/US1837236A/en not_active Expired - Lifetime
- 1930-12-17 GB GB38070/30A patent/GB368862A/en not_active Expired
-
1931
- 1931-01-31 FR FR711859D patent/FR711859A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB368862A (en) | 1932-03-17 |
| US1837236A (en) | 1931-12-22 |
| FR711859A (fr) | 1931-09-19 |