BE670756A - - Google Patents
Info
- Publication number
- BE670756A BE670756A BE670756A BE670756A BE670756A BE 670756 A BE670756 A BE 670756A BE 670756 A BE670756 A BE 670756A BE 670756 A BE670756 A BE 670756A BE 670756 A BE670756 A BE 670756A
- 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
-
- 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)
- Mechanical Operated Clutches (AREA)
- Transmission Devices (AREA)
- Telephone Set Structure (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2313264 | 1964-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE670756A true BE670756A (it) | 1966-01-31 |
Family
ID=11204116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE670756A BE670756A (it) | 1964-10-28 | 1965-10-11 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3430003A (it) |
| BE (1) | BE670756A (it) |
| CH (1) | CH423888A (it) |
| DE (1) | DE1261172C2 (it) |
| DK (1) | DK116374B (it) |
| GB (1) | GB1106216A (it) |
| LU (1) | LU49650A1 (it) |
| NL (1) | NL6513866A (it) |
| NO (1) | NO117135B (it) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2252875A (en) * | 1939-11-10 | 1941-08-19 | Bell Telephone Labor Inc | Call transmitter device |
| NL208105A (it) * | 1955-06-25 | 1900-01-01 | Automatic Telephone & Elect |
-
1965
- 1965-09-28 CH CH1341965A patent/CH423888A/it unknown
- 1965-10-04 GB GB41966/65A patent/GB1106216A/en not_active Expired
- 1965-10-11 BE BE670756A patent/BE670756A/xx unknown
- 1965-10-18 LU LU49650A patent/LU49650A1/xx unknown
- 1965-10-21 US US500070A patent/US3430003A/en not_active Expired - Lifetime
- 1965-10-22 DK DK541465AA patent/DK116374B/da unknown
- 1965-10-22 NO NO160187A patent/NO117135B/no unknown
- 1965-10-26 NL NL6513866A patent/NL6513866A/xx unknown
- 1965-10-27 DE DE1965S0100240 patent/DE1261172C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH423888A (it) | 1966-11-15 |
| US3430003A (en) | 1969-02-25 |
| LU49650A1 (it) | 1965-12-20 |
| NO117135B (it) | 1969-07-07 |
| DE1261172C2 (de) | 1976-11-11 |
| NL6513866A (it) | 1966-04-29 |
| DK116374B (da) | 1970-01-05 |
| DE1261172B (de) | 1968-02-15 |
| GB1106216A (en) | 1968-03-13 |