BE503173A - - Google Patents
Info
- Publication number
- BE503173A BE503173A BE503173DA BE503173A BE 503173 A BE503173 A BE 503173A BE 503173D A BE503173D A BE 503173DA BE 503173 A BE503173 A BE 503173A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
- H04J3/125—One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/17—Ground-based stations employing pulse modulation, e.g. pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Dc Digital Transmission (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH281297T | 1950-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE503173A true BE503173A (US06486227-20021126-C00005.png) |
Family
ID=4530750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE503173D BE503173A (US06486227-20021126-C00005.png) | 1950-05-12 |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH309731A (de) * | 1953-02-14 | 1955-09-15 | Patelhold Patentverwertung | Einrichtung zur Erzeugung einer Impulsfolge aus einer gegebenen Impulsfolge. |
-
0
- BE BE503173D patent/BE503173A/xx unknown
-
1950
- 1950-05-12 CH CH281297D patent/CH281297A/de unknown
- 1950-06-24 NL NL154410A patent/NL76408C/xx active
-
1951
- 1951-04-21 DE DEP5424D patent/DE872585C/de not_active Expired
- 1951-05-10 FR FR1047732D patent/FR1047732A/fr not_active Expired
- 1951-05-15 GB GB11329/51A patent/GB710760A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1047732A (fr) | 1953-12-16 |
| GB710760A (en) | 1954-06-16 |
| NL76408C (US06486227-20021126-C00005.png) | 1954-06-15 |
| CH281297A (de) | 1952-02-29 |
| DE872585C (de) | 1953-04-13 |
