ZA7213B - Improved signalling system - Google Patents
Improved signalling systemInfo
- Publication number
- ZA7213B ZA7213B ZA720013A ZA7213A ZA7213B ZA 7213 B ZA7213 B ZA 7213B ZA 720013 A ZA720013 A ZA 720013A ZA 7213 A ZA7213 A ZA 7213A ZA 7213 B ZA7213 B ZA 7213B
- Authority
- ZA
- South Africa
- Prior art keywords
- signalling system
- improved signalling
- improved
- signalling
- Prior art date
Links
- 230000011664 signaling Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- 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
- B61L3/16—Continuous control along the route
- B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Dc Digital Transmission (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB146971A GB1375172A (de) | 1971-01-12 | 1971-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA7213B true ZA7213B (en) | 1972-09-27 |
Family
ID=9722541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA720013A ZA7213B (en) | 1971-01-12 | 1972-01-03 | Improved signalling system |
Country Status (12)
Country | Link |
---|---|
AT (1) | AT314602B (de) |
AU (1) | AU461707B2 (de) |
CA (1) | CA953219A (de) |
CH (1) | CH542553A (de) |
DE (1) | DE2200773A1 (de) |
FR (1) | FR2122209A5 (de) |
GB (1) | GB1375172A (de) |
IT (1) | IT946415B (de) |
PL (1) | PL71693B1 (de) |
SE (1) | SE376208B (de) |
SU (1) | SU489369A3 (de) |
ZA (1) | ZA7213B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2539887B1 (fr) * | 1983-01-20 | 1985-07-26 | Tech Europ Commutation | Procede pour assurer la securite du fonctionnement d'un automate programmable et automate pour la mise en oeuvre du procede |
US4652877A (en) * | 1983-07-01 | 1987-03-24 | Rockwell International Corporation | Meter data gathering and transmission system |
-
1971
- 1971-01-12 GB GB146971A patent/GB1375172A/en not_active Expired
-
1972
- 1972-01-03 ZA ZA720013A patent/ZA7213B/xx unknown
- 1972-01-06 AU AU37682/72A patent/AU461707B2/en not_active Expired
- 1972-01-06 CA CA131,774A patent/CA953219A/en not_active Expired
- 1972-01-07 DE DE19722200773 patent/DE2200773A1/de active Pending
- 1972-01-07 CH CH21772A patent/CH542553A/de not_active IP Right Cessation
- 1972-01-10 IT IT19177/72A patent/IT946415B/it active
- 1972-01-10 PL PL1972152834A patent/PL71693B1/pl unknown
- 1972-01-11 SU SU1738620A patent/SU489369A3/ru active
- 1972-01-11 SE SE7200261A patent/SE376208B/xx unknown
- 1972-01-11 AT AT18172A patent/AT314602B/de not_active IP Right Cessation
- 1972-01-12 FR FR7200921A patent/FR2122209A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT946415B (it) | 1973-05-21 |
CH542553A (de) | 1973-09-30 |
CA953219A (en) | 1974-08-20 |
AU461707B2 (en) | 1975-06-05 |
FR2122209A5 (de) | 1972-08-25 |
GB1375172A (de) | 1974-11-27 |
AU3768272A (en) | 1973-07-12 |
AT314602B (de) | 1974-04-10 |
SE376208B (de) | 1975-05-12 |
DE2200773A1 (de) | 1972-08-10 |
PL71693B1 (de) | 1974-06-29 |
SU489369A3 (ru) | 1975-10-25 |
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