GB368707A - Circuit arrangement for the transmission of current impulses in electric signalling installations - Google Patents
Circuit arrangement for the transmission of current impulses in electric signalling installationsInfo
- Publication number
- GB368707A GB368707A GB36219/30A GB3621930A GB368707A GB 368707 A GB368707 A GB 368707A GB 36219/30 A GB36219/30 A GB 36219/30A GB 3621930 A GB3621930 A GB 3621930A GB 368707 A GB368707 A GB 368707A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- winding
- polarized
- over
- impulses
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Testing Relating To Insulation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE368707X | 1929-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB368707A true GB368707A (en) | 1932-03-01 |
Family
ID=6318128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB36219/30A Expired GB368707A (en) | 1929-12-02 | 1930-12-01 | Circuit arrangement for the transmission of current impulses in electric signalling installations |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE375450A (de) |
FR (1) | FR706755A (de) |
GB (1) | GB368707A (de) |
NL (1) | NL32175C (de) |
-
0
- NL NL32175D patent/NL32175C/xx active
- BE BE375450D patent/BE375450A/xx unknown
-
1930
- 1930-12-01 FR FR706755D patent/FR706755A/fr not_active Expired
- 1930-12-01 GB GB36219/30A patent/GB368707A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE375450A (de) | |
NL32175C (de) | |
FR706755A (fr) | 1931-06-29 |
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