FR586749A - Dispositif de signal avertisseur - Google Patents
Dispositif de signal avertisseurInfo
- Publication number
- FR586749A FR586749A FR586749DA FR586749A FR 586749 A FR586749 A FR 586749A FR 586749D A FR586749D A FR 586749DA FR 586749 A FR586749 A FR 586749A
- Authority
- FR
- France
- Prior art keywords
- warning signal
- signal device
- warning
- signal
- 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
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/286—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using conductor circuits controlled by the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH586749X | 1923-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR586749A true FR586749A (fr) | 1925-04-02 |
Family
ID=4521853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR586749D Expired FR586749A (fr) | 1923-10-01 | 1924-10-01 | Dispositif de signal avertisseur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR586749A (fr) |
-
1924
- 1924-10-01 FR FR586749D patent/FR586749A/fr not_active Expired
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