FR22677E - Track signal repeating devices on locomotives - Google Patents
Track signal repeating devices on locomotivesInfo
- Publication number
- FR22677E FR22677E FR22677A FR22677DA FR22677E FR 22677 E FR22677 E FR 22677E FR 22677 A FR22677 A FR 22677A FR 22677D A FR22677D A FR 22677DA FR 22677 E FR22677 E FR 22677E
- Authority
- FR
- France
- Prior art keywords
- locomotives
- track signal
- signal repeating
- repeating devices
- devices
- 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
- 230000003137 locomotive effect 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
- B61L3/10—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 current passing between devices along the route and devices on the vehicle or train
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR22677T | 1920-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR22677E true FR22677E (en) | 1921-08-04 |
Family
ID=8661510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR22677A Expired FR22677E (en) | 1920-01-03 | 1920-01-03 | Track signal repeating devices on locomotives |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR22677E (en) |
-
1920
- 1920-01-03 FR FR22677A patent/FR22677E/en not_active Expired
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