GB1304703A - - Google Patents
Info
- Publication number
- GB1304703A GB1304703A GB1026470A GB1026470A GB1304703A GB 1304703 A GB1304703 A GB 1304703A GB 1026470 A GB1026470 A GB 1026470A GB 1026470 A GB1026470 A GB 1026470A GB 1304703 A GB1304703 A GB 1304703A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current
- line
- telegraphic
- signals
- relay
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000003990 capacitor Substances 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
- H04L25/20—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)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691911252 DE1911252C3 (de) | 1969-03-05 | Schaltungsanordnung zum Entzerren von abgeflachten Einfachstrom-Telegrafiersignalen in Fernmeldeanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1304703A true GB1304703A (OSRAM) | 1973-01-31 |
Family
ID=5727239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1026470A Expired GB1304703A (OSRAM) | 1969-03-05 | 1970-03-04 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE746908A (OSRAM) |
| BR (1) | BR7017217D0 (OSRAM) |
| CH (1) | CH505516A (OSRAM) |
| FR (1) | FR2037649A5 (OSRAM) |
| GB (1) | GB1304703A (OSRAM) |
| LU (1) | LU60445A1 (OSRAM) |
| NL (1) | NL7002529A (OSRAM) |
| SE (1) | SE365086B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2310668A1 (fr) * | 1975-05-06 | 1976-12-03 | Desieter Rene | Dispositif translateur pour relier a un reseau de teleimprimeurs des postes d'abonnes ne comportant pas de point de terre |
-
1970
- 1970-02-23 NL NL7002529A patent/NL7002529A/xx unknown
- 1970-02-27 CH CH288070A patent/CH505516A/de not_active IP Right Cessation
- 1970-03-03 LU LU60445D patent/LU60445A1/xx unknown
- 1970-03-04 SE SE286070A patent/SE365086B/xx unknown
- 1970-03-04 GB GB1026470A patent/GB1304703A/en not_active Expired
- 1970-03-04 BR BR21721770A patent/BR7017217D0/pt unknown
- 1970-03-05 BE BE746908D patent/BE746908A/xx unknown
- 1970-03-05 FR FR7007860A patent/FR2037649A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7002529A (OSRAM) | 1970-09-08 |
| LU60445A1 (OSRAM) | 1970-05-04 |
| BE746908A (fr) | 1970-09-07 |
| SE365086B (OSRAM) | 1974-03-11 |
| FR2037649A5 (OSRAM) | 1970-12-31 |
| BR7017217D0 (pt) | 1973-01-04 |
| DE1911252A1 (de) | 1970-09-17 |
| DE1911252B2 (de) | 1977-03-03 |
| CH505516A (de) | 1971-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |