BE622951A - - Google Patents
Info
- Publication number
- BE622951A BE622951A BE622951DA BE622951A BE 622951 A BE622951 A BE 622951A BE 622951D A BE622951D A BE 622951DA BE 622951 A BE622951 A BE 622951A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- 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
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
- H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES67855A DE1120527B (de) | 1960-03-31 | 1960-03-31 | Mehrkanal-Nachrichtenuebertragungssystem mit von Hoch- und Tiefpegelstroemen beeinflusster, systemeigener Wahleinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE622951A true BE622951A (en:Method) |
Family
ID=7499868
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE602100D BE602100A (en:Method) | 1960-03-31 | ||
| BE622951D BE622951A (en:Method) | 1960-03-31 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE602100D BE602100A (en:Method) | 1960-03-31 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE622951A (en:Method) |
| DE (1) | DE1120527B (en:Method) |
| SE (1) | SE300447B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1228314B (de) * | 1964-05-29 | 1966-11-10 | Siemens Ag | Mehrkanalnachrichtenuebertragungssystem |
-
0
- BE BE602100D patent/BE602100A/xx unknown
- BE BE622951D patent/BE622951A/xx unknown
-
1960
- 1960-03-31 DE DES67855A patent/DE1120527B/de active Pending
-
1961
- 1961-03-30 SE SE345161A patent/SE300447B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE602100A (en:Method) | |
| SE300447B (en:Method) | 1968-04-29 |
| DE1120527B (de) | 1961-12-28 |