FR2191512A5 - - Google Patents
Info
- Publication number
- FR2191512A5 FR2191512A5 FR7223115A FR7223115A FR2191512A5 FR 2191512 A5 FR2191512 A5 FR 2191512A5 FR 7223115 A FR7223115 A FR 7223115A FR 7223115 A FR7223115 A FR 7223115A FR 2191512 A5 FR2191512 A5 FR 2191512A5
- Authority
- FR
- France
- 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
-
- 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
- B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7223115A FR2191512A5 (ja) | 1972-06-27 | 1972-06-27 | |
ZA733927A ZA733927B (en) | 1972-06-27 | 1973-06-11 | Positive information movement detector for overlay truck circuits |
BE1005188A BE801423A (fr) | 1972-06-27 | 1973-06-25 | Detecteur de passage a information positive |
IT50986/73A IT989678B (it) | 1972-06-27 | 1973-06-25 | Dispositivo rivelatore di passaggio di convogli ferroviari e simili |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7223115A FR2191512A5 (ja) | 1972-06-27 | 1972-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2191512A5 true FR2191512A5 (ja) | 1974-02-01 |
Family
ID=9100857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7223115A Expired FR2191512A5 (ja) | 1972-06-27 | 1972-06-27 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE801423A (ja) |
FR (1) | FR2191512A5 (ja) |
IT (1) | IT989678B (ja) |
ZA (1) | ZA733927B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149690A (en) * | 1975-10-17 | 1979-04-17 | Jeumont-Schneider | Positive-response transit detector for a given transit zone |
-
1972
- 1972-06-27 FR FR7223115A patent/FR2191512A5/fr not_active Expired
-
1973
- 1973-06-11 ZA ZA733927A patent/ZA733927B/xx unknown
- 1973-06-25 IT IT50986/73A patent/IT989678B/it active
- 1973-06-25 BE BE1005188A patent/BE801423A/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149690A (en) * | 1975-10-17 | 1979-04-17 | Jeumont-Schneider | Positive-response transit detector for a given transit zone |
Also Published As
Publication number | Publication date |
---|---|
BE801423A (fr) | 1973-10-15 |
IT989678B (it) | 1975-06-10 |
ZA733927B (en) | 1974-05-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |