FR597852A - Improvements in railway traffic control devices - Google Patents
Improvements in railway traffic control devicesInfo
- Publication number
- FR597852A FR597852A FR597852DA FR597852A FR 597852 A FR597852 A FR 597852A FR 597852D A FR597852D A FR 597852DA FR 597852 A FR597852 A FR 597852A
- Authority
- FR
- France
- Prior art keywords
- control devices
- traffic control
- railway traffic
- railway
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
- B61L23/165—Track circuits specially adapted for section blocking using rectified alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US597852XA | 1924-04-15 | 1924-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR597852A true FR597852A (en) | 1925-12-01 |
Family
ID=22025197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR597852D Expired FR597852A (en) | 1924-04-15 | 1925-04-07 | Improvements in railway traffic control devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR597852A (en) |
-
1925
- 1925-04-07 FR FR597852D patent/FR597852A/en not_active Expired
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