LU59956A1 - - Google Patents
Info
- Publication number
- LU59956A1 LU59956A1 LU59956DA LU59956A1 LU 59956 A1 LU59956 A1 LU 59956A1 LU 59956D A LU59956D A LU 59956DA LU 59956 A1 LU59956 A1 LU 59956A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/50—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
- H04L12/52—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication using time division techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/50—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1814054A DE1814054C3 (de) | 1968-12-11 | 1968-12-11 | Verfahren zum Steuern von Einfachstrom-Doppelstrom-Umsetzerschaltungen in zentralgesteuerten Fernschreibwählvermittlungsanlageri |
Publications (1)
Publication Number | Publication Date |
---|---|
LU59956A1 true LU59956A1 (de) | 1970-02-10 |
Family
ID=5715926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU59956D LU59956A1 (de) | 1968-12-11 | 1969-12-08 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3684822A (de) |
BE (1) | BE742985A (de) |
CH (1) | CH503442A (de) |
DE (1) | DE1814054C3 (de) |
FR (1) | FR2025854A1 (de) |
GB (1) | GB1248327A (de) |
LU (1) | LU59956A1 (de) |
NL (1) | NL6918026A (de) |
SE (1) | SE353429B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909510A (en) * | 1973-10-05 | 1975-09-30 | David W Luce | Direct connection digital transmission apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2820089A (en) * | 1954-09-01 | 1958-01-14 | Philips Corp | Rhythmic telegraph system |
DE1487984A1 (de) * | 1966-07-14 | 1969-03-13 | Standard Elek K Lorenz Ag | Gleichstromsignalverfahren in Nachrichtenvermittlungsanlagen |
-
1968
- 1968-12-11 DE DE1814054A patent/DE1814054C3/de not_active Expired
-
1969
- 1969-12-01 NL NL6918026A patent/NL6918026A/xx not_active Application Discontinuation
- 1969-12-05 FR FR6942165A patent/FR2025854A1/fr not_active Withdrawn
- 1969-12-08 LU LU59956D patent/LU59956A1/xx unknown
- 1969-12-09 CH CH1828269A patent/CH503442A/de not_active IP Right Cessation
- 1969-12-10 SE SE17036/69A patent/SE353429B/xx unknown
- 1969-12-10 GB GB60239/69A patent/GB1248327A/en not_active Expired
- 1969-12-10 US US883803A patent/US3684822A/en not_active Expired - Lifetime
- 1969-12-11 BE BE742985D patent/BE742985A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1814054C3 (de) | 1974-11-28 |
DE1814054A1 (de) | 1970-06-25 |
NL6918026A (de) | 1970-06-15 |
SE353429B (de) | 1973-01-29 |
DE1814054B2 (de) | 1974-04-18 |
BE742985A (de) | 1970-06-11 |
CH503442A (de) | 1971-02-15 |
GB1248327A (en) | 1971-09-29 |
FR2025854A1 (de) | 1970-09-11 |
US3684822A (en) | 1972-08-15 |