FR2298241B3 - - Google Patents
Info
- Publication number
- FR2298241B3 FR2298241B3 FR7601110A FR7601110A FR2298241B3 FR 2298241 B3 FR2298241 B3 FR 2298241B3 FR 7601110 A FR7601110 A FR 7601110A FR 7601110 A FR7601110 A FR 7601110A FR 2298241 B3 FR2298241 B3 FR 2298241B3
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04M1/312—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 pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB208975A GB1480654A (en) | 1975-01-17 | 1975-01-17 | Outpulser arrangement for telephone subset |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2298241A1 FR2298241A1 (fr) | 1976-08-13 |
| FR2298241B3 true FR2298241B3 (cs) | 1978-10-13 |
Family
ID=9733395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7601110A Granted FR2298241A1 (fr) | 1975-01-17 | 1976-01-16 | Dispositif de signalisation pour poste telephonique |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2298241A1 (cs) |
| GB (1) | GB1480654A (cs) |
-
1975
- 1975-01-17 GB GB208975A patent/GB1480654A/en not_active Expired
-
1976
- 1976-01-16 FR FR7601110A patent/FR2298241A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1480654A (en) | 1977-07-20 |
| FR2298241A1 (fr) | 1976-08-13 |