BE544479A - - Google Patents
Info
- Publication number
- BE544479A BE544479A BE544479DA BE544479A BE 544479 A BE544479 A BE 544479A BE 544479D A BE544479D A BE 544479DA BE 544479 A BE544479 A BE 544479A
- 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
- H04M1/38—Pulses transmitted by a movement variably limited by the setting of a stop
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB138056A GB791782A (en) | 1956-01-16 | 1956-01-16 | Improvements in and relating to devices for the transmission of series of electricalpulses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544479A true BE544479A (en) |
Family
ID=9721011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE544479D BE544479A (en) | 1956-01-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE544479A (en) |
| CH (1) | CH343456A (en) |
| FR (1) | FR1145385A (en) |
| GB (1) | GB791782A (en) |
-
0
- BE BE544479D patent/BE544479A/xx unknown
-
1956
- 1956-01-03 CH CH343456D patent/CH343456A/en unknown
- 1956-01-16 GB GB138056A patent/GB791782A/en not_active Expired
- 1956-01-20 FR FR1145385D patent/FR1145385A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH343456A (en) | 1959-12-31 |
| GB791782A (en) | 1958-03-12 |
| FR1145385A (en) | 1957-10-25 |