DE2547786A1 - - Google Patents
Info
- Publication number
- DE2547786A1 DE2547786A1 DE19752547786 DE2547786A DE2547786A1 DE 2547786 A1 DE2547786 A1 DE 2547786A1 DE 19752547786 DE19752547786 DE 19752547786 DE 2547786 A DE2547786 A DE 2547786A DE 2547786 A1 DE2547786 A1 DE 2547786A1
- Authority
- DE
- Germany
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752547786 DE2547786C2 (de) | 1975-10-24 | Schaltungsanordnung zur Auswertung der Leitungszustandskrlterien bei einem nach dem CCITT-System R2 arbeitenden Ubertragungskanal in Fernmelde-, insbesondere Fernsprechanlagen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752547786 DE2547786C2 (de) | 1975-10-24 | Schaltungsanordnung zur Auswertung der Leitungszustandskrlterien bei einem nach dem CCITT-System R2 arbeitenden Ubertragungskanal in Fernmelde-, insbesondere Fernsprechanlagen |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2547786A1 true DE2547786A1 (cs) | 1976-11-18 |
DE2547786B1 DE2547786B1 (de) | 1976-11-18 |
DE2547786C2 DE2547786C2 (de) | 1977-06-30 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
DE2547786B1 (de) | 1976-11-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |