BE722866A - - Google Patents
Info
- Publication number
- BE722866A BE722866A BE722866DA BE722866A BE 722866 A BE722866 A BE 722866A BE 722866D A BE722866D A BE 722866DA BE 722866 A BE722866 A BE 722866A
- 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)
- Telephone Set Structure (AREA)
- Manufacture Of Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2197567 | 1967-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722866A true BE722866A (de) | 1969-04-25 |
Family
ID=11189629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722866D BE722866A (de) | 1967-10-25 | 1968-10-25 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE722866A (de) |
| CH (1) | CH482368A (de) |
| DE (1) | DE6802969U (de) |
| ES (1) | ES359451A1 (de) |
| GB (1) | GB1213048A (de) |
| NL (1) | NL6815263A (de) |
-
1968
- 1968-10-16 GB GB4900668A patent/GB1213048A/en not_active Expired
- 1968-10-18 DE DE19686802969 patent/DE6802969U/de not_active Expired
- 1968-10-21 CH CH1568768A patent/CH482368A/de not_active IP Right Cessation
- 1968-10-23 ES ES359451A patent/ES359451A1/es not_active Expired
- 1968-10-25 BE BE722866D patent/BE722866A/xx unknown
- 1968-10-25 NL NL6815263A patent/NL6815263A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES359451A1 (es) | 1970-06-01 |
| GB1213048A (en) | 1970-11-18 |
| DE6802969U (de) | 1969-07-03 |
| CH482368A (de) | 1969-11-30 |
| NL6815263A (de) | 1969-04-29 |