NL6601658A - - Google Patents
Info
- Publication number
- NL6601658A NL6601658A NL6601658A NL6601658A NL6601658A NL 6601658 A NL6601658 A NL 6601658A NL 6601658 A NL6601658 A NL 6601658A NL 6601658 A NL6601658 A NL 6601658A NL 6601658 A NL6601658 A NL 6601658A
- Authority
- NL
- Netherlands
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/60—Supervising unattended repeaters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST023333 | 1965-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6601658A true NL6601658A (en:Method) | 1966-08-10 |
Family
ID=7459715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6601658A NL6601658A (en:Method) | 1965-02-09 | 1966-02-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE683317A (en:Method) |
| CH (1) | CH443422A (en:Method) |
| GB (1) | GB1129792A (en:Method) |
| NL (1) | NL6601658A (en:Method) |
-
1966
- 1966-02-04 GB GB4970/66A patent/GB1129792A/en not_active Expired
- 1966-02-04 CH CH163066A patent/CH443422A/de unknown
- 1966-02-09 NL NL6601658A patent/NL6601658A/xx unknown
- 1966-06-29 BE BE683317D patent/BE683317A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1129792A (en) | 1968-10-09 |
| CH443422A (de) | 1967-09-15 |
| BE683317A (en:Method) | 1966-12-29 |