SE373252B - - Google Patents
Info
- Publication number
- SE373252B SE373252B SE7209383A SE938372A SE373252B SE 373252 B SE373252 B SE 373252B SE 7209383 A SE7209383 A SE 7209383A SE 938372 A SE938372 A SE 938372A SE 373252 B SE373252 B SE 373252B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/028—Arrangements specific to the transmitter end
- H04L25/0282—Provision for current-mode coupling
-
- 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
- H04L25/12—Compensating for variations in line impedance
-
- 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
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Dc Digital Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2138576A DE2138576C3 (en) | 1971-08-02 | 1971-08-02 | Converter circuit for transmitting direct current telegraphic characters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE373252B true SE373252B (en) | 1975-01-27 |
Family
ID=5815523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7209383A SE373252B (en) | 1971-08-02 | 1972-07-17 |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5238683B2 (en) |
| AT (1) | AT323246B (en) |
| AU (1) | AU459938B2 (en) |
| BE (1) | BE787088A (en) |
| BR (1) | BR7205196D0 (en) |
| CA (1) | CA973804A (en) |
| CH (1) | CH542556A (en) |
| DE (1) | DE2138576C3 (en) |
| DK (1) | DK144109C (en) |
| FR (1) | FR2148210B1 (en) |
| GB (1) | GB1363553A (en) |
| IT (1) | IT963475B (en) |
| LU (1) | LU65824A1 (en) |
| NL (1) | NL7209920A (en) |
| SE (1) | SE373252B (en) |
| ZA (1) | ZA724772B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49124377U (en) * | 1973-02-28 | 1974-10-24 | ||
| JPS5494218A (en) * | 1978-01-09 | 1979-07-25 | Fuji Electric Co Ltd | Dc pulse read-in circuit |
| DE2833732C2 (en) * | 1978-08-01 | 1981-12-03 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit arrangement for the transmission of direct current telegraph characters |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1090253B (en) * | 1959-07-17 | 1960-10-06 | Siemens Ag | Circuit arrangement for telephone subscriber stations with indirect control of the receiving magnet |
| DE1216919B (en) * | 1966-01-25 | 1966-05-18 | Telefunken Patent | Circuit arrangement to keep the current constant and to guarantee the zero line symmetry of double-stream telegraphic characters |
| DE2035379C3 (en) * | 1970-07-16 | 1975-10-09 | Siemens Ag | Circuit arrangement for setting the line current in telegraph subscriber connection circuits of a switching system |
-
0
- BE BE787088D patent/BE787088A/en unknown
-
1971
- 1971-08-02 DE DE2138576A patent/DE2138576C3/en not_active Expired
-
1972
- 1972-06-20 AT AT531972A patent/AT323246B/en not_active IP Right Cessation
- 1972-06-20 CH CH922872A patent/CH542556A/en not_active IP Right Cessation
- 1972-07-03 GB GB3101572A patent/GB1363553A/en not_active Expired
- 1972-07-12 AU AU44504/72A patent/AU459938B2/en not_active Expired
- 1972-07-12 ZA ZA724772A patent/ZA724772B/en unknown
- 1972-07-17 SE SE7209383A patent/SE373252B/xx unknown
- 1972-07-18 NL NL7209920A patent/NL7209920A/xx not_active Application Discontinuation
- 1972-07-28 IT IT27561/72A patent/IT963475B/en active
- 1972-07-28 JP JP47075822A patent/JPS5238683B2/ja not_active Expired
- 1972-07-31 LU LU65824A patent/LU65824A1/xx unknown
- 1972-08-01 DK DK380372A patent/DK144109C/en not_active IP Right Cessation
- 1972-08-01 CA CA148,400A patent/CA973804A/en not_active Expired
- 1972-08-02 BR BR005196/72A patent/BR7205196D0/en unknown
- 1972-08-02 FR FR7227905A patent/FR2148210B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5238683B2 (en) | 1977-09-30 |
| GB1363553A (en) | 1974-08-14 |
| NL7209920A (en) | 1973-02-06 |
| BR7205196D0 (en) | 1973-05-29 |
| DK144109C (en) | 1982-05-24 |
| JPS4825403A (en) | 1973-04-03 |
| DK144109B (en) | 1981-12-07 |
| AU4450472A (en) | 1974-01-17 |
| LU65824A1 (en) | 1973-01-31 |
| BE787088A (en) | 1973-02-02 |
| DE2138576C3 (en) | 1978-05-11 |
| DE2138576B2 (en) | 1977-09-01 |
| FR2148210A1 (en) | 1973-03-11 |
| DE2138576A1 (en) | 1973-02-22 |
| ZA724772B (en) | 1973-04-25 |
| CA973804A (en) | 1975-09-02 |
| IT963475B (en) | 1974-01-10 |
| AT323246B (en) | 1975-06-25 |
| CH542556A (en) | 1973-09-30 |
| AU459938B2 (en) | 1975-04-10 |
| FR2148210B1 (en) | 1977-07-29 |