ZA722931B - Electromagnetic signalling system - Google Patents
Electromagnetic signalling systemInfo
- Publication number
- ZA722931B ZA722931B ZA722931A ZA722931A ZA722931B ZA 722931 B ZA722931 B ZA 722931B ZA 722931 A ZA722931 A ZA 722931A ZA 722931 A ZA722931 A ZA 722931A ZA 722931 B ZA722931 B ZA 722931B
- Authority
- ZA
- South Africa
- Prior art keywords
- signalling system
- electromagnetic signalling
- electromagnetic
- signalling
- Prior art date
Links
- 230000011664 signaling Effects 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1504071A GB1375173A (xx) | 1971-05-14 | 1971-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA722931B true ZA722931B (en) | 1973-02-28 |
Family
ID=10051995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA722931A ZA722931B (en) | 1971-05-14 | 1972-05-01 | Electromagnetic signalling system |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | ATA417372A (xx) |
| AU (1) | AU460220B2 (xx) |
| CA (1) | CA950098A (xx) |
| CH (1) | CH556763A (xx) |
| DE (1) | DE2222110A1 (xx) |
| FR (1) | FR2137815B1 (xx) |
| GB (1) | GB1375173A (xx) |
| IT (1) | IT955382B (xx) |
| PL (1) | PL75489B1 (xx) |
| ZA (1) | ZA722931B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL191474C (nl) * | 1986-03-07 | 1995-07-18 | Nederland Ptt | Radioverbindingsstelsel voorzien van bakenzenders. |
| GB8614393D0 (en) * | 1986-06-13 | 1986-07-16 | British Railways Board | Train communication system |
| DE3815625A1 (de) * | 1988-05-07 | 1989-11-16 | Koelner Verkehrs Betriebe Ag | Verfahren zur automatischen vorgabe von antriebsparametern im ein automatisches getriebe aufweisenden antriebsstrang eines linienbusses sowie einrichtung zur durchfuehrung des verfahrens |
-
1971
- 1971-05-14 GB GB1504071A patent/GB1375173A/en not_active Expired
-
1972
- 1972-05-01 ZA ZA722931A patent/ZA722931B/xx unknown
- 1972-05-02 CA CA141,095A patent/CA950098A/en not_active Expired
- 1972-05-04 PL PL1972155156A patent/PL75489B1/xx unknown
- 1972-05-05 DE DE19722222110 patent/DE2222110A1/de active Pending
- 1972-05-05 AU AU41975/72A patent/AU460220B2/en not_active Expired
- 1972-05-10 IT IT24167/72A patent/IT955382B/it active
- 1972-05-12 FR FR727217003A patent/FR2137815B1/fr not_active Expired
- 1972-05-12 AT AT417372A patent/ATA417372A/de not_active Application Discontinuation
- 1972-05-12 CH CH707572A patent/CH556763A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2137815A1 (xx) | 1972-12-29 |
| GB1375173A (xx) | 1974-11-27 |
| DE2222110A1 (de) | 1972-11-30 |
| PL75489B1 (xx) | 1974-12-31 |
| AU460220B2 (en) | 1975-04-24 |
| CA950098A (en) | 1974-06-25 |
| CH556763A (fr) | 1974-12-13 |
| FR2137815B1 (xx) | 1973-07-13 |
| IT955382B (it) | 1973-09-29 |
| AU4197572A (en) | 1973-11-08 |
| ATA417372A (de) | 1976-04-15 |
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