BE551638A - - Google Patents
Info
- Publication number
- BE551638A BE551638A BE551638DA BE551638A BE 551638 A BE551638 A BE 551638A BE 551638D A BE551638D A BE 551638DA BE 551638 A BE551638 A BE 551638A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL348427X | 1955-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551638A true BE551638A (en(2012)) |
Family
ID=19784970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551638D BE551638A (en(2012)) | 1955-10-10 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE551638A (en(2012)) |
| CH (1) | CH348427A (en(2012)) |
| DE (1) | DE1062747B (en(2012)) |
| FR (1) | FR1192150A (en(2012)) |
| GB (1) | GB831499A (en(2012)) |
| NL (2) | NL104622C (en(2012)) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267512A (en(2012)) * | 1960-07-25 | |||
| DE1258914B (de) * | 1966-02-04 | 1968-01-18 | Telefunken Patent | Verfahren zum Anschluss von Teilnehmerstellen an eine Fernsprechvermittlungsanlage mit Waehlerbetrieb ueber eine Traegerfrequenzstrecke |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE454346A (en(2012)) * | 1943-03-08 | |||
| DE863673C (de) * | 1951-06-29 | 1953-01-19 | Siemens Ag | Elektrischer Signalempfaenger |
-
0
- NL NL201114D patent/NL201114A/xx unknown
- NL NL104622D patent/NL104622C/xx active
- BE BE551638D patent/BE551638A/xx unknown
-
1956
- 1956-10-04 CH CH348427D patent/CH348427A/de unknown
- 1956-10-05 DE DEST11768A patent/DE1062747B/de active Pending
- 1956-10-08 FR FR1192150D patent/FR1192150A/fr not_active Expired
- 1956-10-10 GB GB30874/56A patent/GB831499A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1192150A (fr) | 1959-10-23 |
| NL104622C (en(2012)) | |
| DE1062747B (de) | 1959-08-06 |
| NL201114A (en(2012)) | |
| GB831499A (en) | 1960-03-30 |
| CH348427A (de) | 1960-08-31 |