GB1295818A - - Google Patents
Info
- Publication number
- GB1295818A GB1295818A GB1295818DA GB1295818A GB 1295818 A GB1295818 A GB 1295818A GB 1295818D A GB1295818D A GB 1295818DA GB 1295818 A GB1295818 A GB 1295818A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltage
- exchange
- auxiliary
- reverse
- reverse voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004804 winding Methods 0.000 abstract 3
- 230000003213 activating effect Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
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
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
- H04L25/027—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling specifically for telegraph signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702037660 DE2037660C3 (de) | 1970-07-29 | Fernschreibteilnehmerstelle für Einfachstrombetrieb mit teilnehmerseitiger Gegenspannung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1295818A true GB1295818A (enExample) | 1972-11-08 |
Family
ID=5778267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1295818D Expired GB1295818A (enExample) | 1970-07-29 | 1971-07-28 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3773970A (enExample) |
| AT (1) | AT310821B (enExample) |
| BE (1) | BE770677A (enExample) |
| CA (1) | CA966426A (enExample) |
| CH (1) | CH527528A (enExample) |
| DK (1) | DK137520C (enExample) |
| FR (1) | FR2099670B1 (enExample) |
| GB (1) | GB1295818A (enExample) |
| LU (1) | LU63618A1 (enExample) |
| NL (1) | NL7110414A (enExample) |
| SE (1) | SE362183B (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1287604B (enExample) * | 1966-03-04 | |||
| DE1249319B (enExample) * | 1958-04-23 |
-
1971
- 1971-06-15 CH CH868071A patent/CH527528A/de not_active IP Right Cessation
- 1971-06-16 CA CA115,783A patent/CA966426A/en not_active Expired
- 1971-07-19 AT AT625871A patent/AT310821B/de not_active IP Right Cessation
- 1971-07-20 US US00164384A patent/US3773970A/en not_active Expired - Lifetime
- 1971-07-27 LU LU63618D patent/LU63618A1/xx unknown
- 1971-07-28 NL NL7110414A patent/NL7110414A/xx unknown
- 1971-07-28 DK DK370971A patent/DK137520C/da active
- 1971-07-28 GB GB1295818D patent/GB1295818A/en not_active Expired
- 1971-07-28 SE SE09677/71A patent/SE362183B/xx unknown
- 1971-07-29 FR FR7127828A patent/FR2099670B1/fr not_active Expired
- 1971-07-29 BE BE770677A patent/BE770677A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT310821B (de) | 1973-10-25 |
| CA966426A (en) | 1975-04-22 |
| BE770677A (fr) | 1972-01-31 |
| DK137520B (da) | 1978-03-13 |
| FR2099670B1 (enExample) | 1976-12-03 |
| FR2099670A1 (enExample) | 1972-03-17 |
| SE362183B (enExample) | 1973-11-26 |
| DE2037660B2 (de) | 1975-05-22 |
| US3773970A (en) | 1973-11-20 |
| LU63618A1 (enExample) | 1972-04-04 |
| NL7110414A (enExample) | 1972-02-01 |
| DE2037660A1 (de) | 1972-02-10 |
| DK137520C (da) | 1978-08-28 |
| CH527528A (de) | 1972-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |