FR555828A - Dispositif de signalisation automatique - Google Patents
Dispositif de signalisation automatiqueInfo
- Publication number
- FR555828A FR555828A FR555828DA FR555828A FR 555828 A FR555828 A FR 555828A FR 555828D A FR555828D A FR 555828DA FR 555828 A FR555828 A FR 555828A
- Authority
- FR
- France
- Prior art keywords
- signaling device
- automatic signaling
- automatic
- signaling
- 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
- 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
- B61L3/06—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 by electromagnetic or particle radiation, e.g. by light beam
- B61L3/065—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 by electromagnetic or particle radiation, e.g. by light beam controlling optically
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR555828T | 1922-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR555828A true FR555828A (fr) | 1923-07-06 |
Family
ID=8939716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR555828D Expired FR555828A (fr) | 1922-09-09 | 1922-09-09 | Dispositif de signalisation automatique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR555828A (fr) |
-
1922
- 1922-09-09 FR FR555828D patent/FR555828A/fr not_active Expired
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