IT964261B - Disposizione circuitale per un impianto telefonico specie per un impianto telefonico derivato con un complesso ausiliario di inclusione che puo venire impe gnato mediante un criterio spe ciale - Google Patents
Disposizione circuitale per un impianto telefonico specie per un impianto telefonico derivato con un complesso ausiliario di inclusione che puo venire impe gnato mediante un criterio spe cialeInfo
- Publication number
- IT964261B IT964261B IT2850472A IT2850472A IT964261B IT 964261 B IT964261 B IT 964261B IT 2850472 A IT2850472 A IT 2850472A IT 2850472 A IT2850472 A IT 2850472A IT 964261 B IT964261 B IT 964261B
- Authority
- IT
- Italy
- Prior art keywords
- telephone system
- operated
- circuit arrangement
- inclusion complex
- derivative
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712143376 DE2143376C3 (de) | 1971-08-30 | 1971-08-30 | Schaltungsanordnung für eine Fernsprechanlage, insbesondere Fernsprechnebenstellenanlage, mit einem mittels eines Sonderkennzeichens belegbaren Aufschaltehilfssatz |
Publications (1)
Publication Number | Publication Date |
---|---|
IT964261B true IT964261B (it) | 1974-01-21 |
Family
ID=5818178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2850472A IT964261B (it) | 1971-08-30 | 1972-08-25 | Disposizione circuitale per un impianto telefonico specie per un impianto telefonico derivato con un complesso ausiliario di inclusione che puo venire impe gnato mediante un criterio spe ciale |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2143376C3 (de) |
DK (1) | DK139290C (de) |
IT (1) | IT964261B (de) |
-
1971
- 1971-08-30 DE DE19712143376 patent/DE2143376C3/de not_active Expired
-
1972
- 1972-08-25 IT IT2850472A patent/IT964261B/it active
- 1972-08-29 DK DK427172A patent/DK139290C/da active
Also Published As
Publication number | Publication date |
---|---|
DE2143376B2 (de) | 1974-01-31 |
DE2143376C3 (de) | 1974-08-22 |
DK139290C (da) | 1979-06-18 |
DK139290B (da) | 1979-01-22 |
DE2143376A1 (de) | 1973-03-15 |
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