BE356228A - - Google Patents
Info
- Publication number
- BE356228A BE356228A BE356228DA BE356228A BE 356228 A BE356228 A BE 356228A BE 356228D A BE356228D A BE 356228DA BE 356228 A BE356228 A BE 356228A
- 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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE301424X | 1927-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE356228A true BE356228A (en:Method) |
Family
ID=20307433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE356228D BE356228A (en:Method) | 1927-11-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE356228A (en:Method) |
| FR (1) | FR664666A (en:Method) |
| GB (1) | GB301424A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2774823A (en) * | 1951-12-21 | 1956-12-18 | Maynez Pedro Salinas | Selective electrical dialing system |
-
0
- BE BE356228D patent/BE356228A/xx unknown
-
1928
- 1928-11-27 GB GB34944/28A patent/GB301424A/en not_active Expired
- 1928-11-27 FR FR664666D patent/FR664666A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB301424A (en) | 1929-09-26 |
| FR664666A (fr) | 1929-09-06 |