BE551107A - - Google Patents
Info
- Publication number
- BE551107A BE551107A BE551107DA BE551107A BE 551107 A BE551107 A BE 551107A BE 551107D A BE551107D A BE 551107DA BE 551107 A BE551107 A BE 551107A
- 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
- H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE2887539X | 1955-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551107A true BE551107A (https=) |
Family
ID=20427682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551107D BE551107A (https=) | 1955-09-19 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2887539A (https=) |
| BE (1) | BE551107A (https=) |
| FR (1) | FR1156776A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7317438A (https=) * | 1973-01-11 | 1974-07-15 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB510951A (en) * | 1938-02-09 | 1939-08-09 | John Douglas Hinchcliff | Improvements in impulse senders of the type used in telephone systems |
| US2691070A (en) * | 1953-11-19 | 1954-10-05 | Stromberg Carlson Co | Party line station identification dial mechanism |
| US2691071A (en) * | 1953-12-17 | 1954-10-05 | Stromberg Carlson Co | Party line station identification dial mechanism |
-
0
- BE BE551107D patent/BE551107A/xx unknown
-
1956
- 1956-08-30 US US607206A patent/US2887539A/en not_active Expired - Lifetime
- 1956-09-17 FR FR1156776D patent/FR1156776A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1156776A (fr) | 1958-05-21 |
| US2887539A (en) | 1959-05-19 |