GB1376667A - Vehicle communication system - Google Patents
Vehicle communication systemInfo
- Publication number
- GB1376667A GB1376667A GB1761272A GB1761272A GB1376667A GB 1376667 A GB1376667 A GB 1376667A GB 1761272 A GB1761272 A GB 1761272A GB 1761272 A GB1761272 A GB 1761272A GB 1376667 A GB1376667 A GB 1376667A
- Authority
- GB
- United Kingdom
- Prior art keywords
- train
- transponder
- april
- communication system
- capacitively
- 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
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/45—Transponders
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
1376667 Track apparatus BRITISH RAILWAYS BOARD 27 April 1973 [17 April 1972] 17612/72 Heading B7N [Also in Division H4] A train signals to a trackside transponder inductively and receives the response capacitively. The transponder is powered by its received signal, and sends positional information or other information to the train. A parallel pair of electrodes (3a, 3b, Fig. 1, not shown) fixed to the top of the transponder box co-operates capacitively with a parallel pair (4a, 4b) on the train, the latter driving a transformer which feeds the train-borne receiver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1761272A GB1376667A (en) | 1973-04-27 | 1973-04-27 | Vehicle communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1761272A GB1376667A (en) | 1973-04-27 | 1973-04-27 | Vehicle communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1376667A true GB1376667A (en) | 1974-12-11 |
Family
ID=10098192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1761272A Expired GB1376667A (en) | 1973-04-27 | 1973-04-27 | Vehicle communication system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1376667A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2222902A (en) * | 1988-09-16 | 1990-03-21 | Gec General Signal Ltd | Railway vehicle location system |
CH703132A1 (en) * | 2010-05-12 | 2011-11-15 | Aquametro Ag | Circuit for galvanic isolation of circuits. |
-
1973
- 1973-04-27 GB GB1761272A patent/GB1376667A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2222902A (en) * | 1988-09-16 | 1990-03-21 | Gec General Signal Ltd | Railway vehicle location system |
GB2222902B (en) * | 1988-09-16 | 1992-07-22 | Gec General Signal Ltd | Railway vehicle location system |
CH703132A1 (en) * | 2010-05-12 | 2011-11-15 | Aquametro Ag | Circuit for galvanic isolation of circuits. |
EP2387154A1 (en) * | 2010-05-12 | 2011-11-16 | Aquametro AG | Switch for galvanic separation of electricity circuits |
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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 |