FI45194B - - Google Patents
Info
- Publication number
- FI45194B FI45194B FI278664A FI278664A FI45194B FI 45194 B FI45194 B FI 45194B FI 278664 A FI278664 A FI 278664A FI 278664 A FI278664 A FI 278664A FI 45194 B FI45194 B FI 45194B
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST21534A DE1202343B (de) | 1964-01-09 | 1964-01-09 | Schaltungsanordnung fuer Wahlaufnahme-einrichtungen in Fernsprech-Registersystemen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI45194B true FI45194B (enrdf_load_stackoverflow) | 1971-12-31 |
| FI45194C FI45194C (fi) | 1972-04-10 |
Family
ID=7459042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI278664A FI45194C (fi) | 1964-01-09 | 1964-12-30 | Rekisterillä varustettujen puhelinjärjestelmien valinnanvastaanottolai tteiden kytkentäjärjestely. |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT263092B (enrdf_load_stackoverflow) |
| DE (1) | DE1202343B (enrdf_load_stackoverflow) |
| FI (1) | FI45194C (enrdf_load_stackoverflow) |
| FR (1) | FR1420173A (enrdf_load_stackoverflow) |
| GB (1) | GB1043072A (enrdf_load_stackoverflow) |
| NL (1) | NL6500296A (enrdf_load_stackoverflow) |
| SE (1) | SE331703B (enrdf_load_stackoverflow) |
-
1964
- 1964-01-09 DE DEST21534A patent/DE1202343B/de active Pending
- 1964-08-03 AT AT664164A patent/AT263092B/de active
- 1964-12-29 SE SE1579564A patent/SE331703B/xx unknown
- 1964-12-30 FI FI278664A patent/FI45194C/fi active
-
1965
- 1965-01-08 GB GB96165A patent/GB1043072A/en not_active Expired
- 1965-01-08 FR FR1313A patent/FR1420173A/fr not_active Expired
- 1965-01-11 NL NL6500296A patent/NL6500296A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI45194C (fi) | 1972-04-10 |
| DE1202343B (de) | 1965-10-07 |
| NL6500296A (enrdf_load_stackoverflow) | 1965-07-12 |
| GB1043072A (en) | 1966-09-21 |
| FR1420173A (fr) | 1965-12-03 |
| AT263092B (de) | 1968-07-10 |
| SE331703B (enrdf_load_stackoverflow) | 1971-01-11 |