FR2366749B1 - - Google Patents
Info
- Publication number
- FR2366749B1 FR2366749B1 FR7729172A FR7729172A FR2366749B1 FR 2366749 B1 FR2366749 B1 FR 2366749B1 FR 7729172 A FR7729172 A FR 7729172A FR 7729172 A FR7729172 A FR 7729172A FR 2366749 B1 FR2366749 B1 FR 2366749B1
- 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
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762644403 DE2644403C3 (en) | 1976-10-01 | 1976-10-01 | Circuit arrangement for attenuation compensation in a private branch exchange |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366749A1 FR2366749A1 (en) | 1978-04-28 |
FR2366749B1 true FR2366749B1 (en) | 1984-05-25 |
Family
ID=5989454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7729172A Granted FR2366749A1 (en) | 1976-10-01 | 1977-09-28 | WEAKENING EQUALIZATION CIRCUIT FOR NETWORK CALLS IN A PRIVATE TELEPHONE CENTRAL |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE859107R (en) |
DE (1) | DE2644403C3 (en) |
FR (1) | FR2366749A1 (en) |
GB (1) | GB1530989A (en) |
-
1976
- 1976-10-01 DE DE19762644403 patent/DE2644403C3/en not_active Expired
-
1977
- 1977-09-27 GB GB4013877A patent/GB1530989A/en not_active Expired
- 1977-09-28 BE BE2056294A patent/BE859107R/en not_active IP Right Cessation
- 1977-09-28 FR FR7729172A patent/FR2366749A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
BE859107R (en) | 1978-03-28 |
DE2644403B2 (en) | 1980-05-22 |
FR2366749A1 (en) | 1978-04-28 |
DE2644403A1 (en) | 1978-04-06 |
GB1530989A (en) | 1978-11-01 |
DE2644403C3 (en) | 1985-01-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |