FR734961A - Automatic level crossing - Google Patents
Automatic level crossingInfo
- Publication number
- FR734961A FR734961A FR734961DA FR734961A FR 734961 A FR734961 A FR 734961A FR 734961D A FR734961D A FR 734961DA FR 734961 A FR734961 A FR 734961A
- Authority
- FR
- France
- Prior art keywords
- level crossing
- automatic level
- automatic
- crossing
- level
- 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
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/08—Operation of gates; Combined operation of gates and signals
- B61L29/18—Operation by approaching rail vehicle or train
- B61L29/22—Operation by approaching rail vehicle or train electrically
- B61L29/222—Operation by approaching rail vehicle or train electrically using conductor circuits with separate contacts or conductors
- B61L29/224—Operation by approaching rail vehicle or train electrically using conductor circuits with separate contacts or conductors using rail contacts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR734961T | 1932-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR734961A true FR734961A (en) | 1932-10-31 |
Family
ID=9130199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR734961D Expired FR734961A (en) | 1932-04-11 | 1932-04-11 | Automatic level crossing |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR734961A (en) |
-
1932
- 1932-04-11 FR FR734961D patent/FR734961A/en not_active Expired
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