FR22640E - New electrical signal repeater devices on locomotives - Google Patents
New electrical signal repeater devices on locomotivesInfo
- Publication number
- FR22640E FR22640E FR22640A FR22640DA FR22640E FR 22640 E FR22640 E FR 22640E FR 22640 A FR22640 A FR 22640A FR 22640D A FR22640D A FR 22640DA FR 22640 E FR22640 E FR 22640E
- Authority
- FR
- France
- Prior art keywords
- locomotives
- electrical signal
- signal repeater
- new electrical
- repeater 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 |
|---|---|---|---|
| FR22640T | 1919-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR22640E true FR22640E (en) | 1921-08-04 |
Family
ID=8661478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR22640A Expired FR22640E (en) | 1919-11-28 | 1919-11-28 | New electrical signal repeater devices on locomotives |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR22640E (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2504879A1 (en) * | 1981-04-30 | 1982-11-05 | Sncf | Multifrequency transmission between track and railway vehicle - uses multiple frequencies with detectors having frequency selective filters to encode range of information |
-
1919
- 1919-11-28 FR FR22640A patent/FR22640E/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2504879A1 (en) * | 1981-04-30 | 1982-11-05 | Sncf | Multifrequency transmission between track and railway vehicle - uses multiple frequencies with detectors having frequency selective filters to encode range of information |
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