FR890947A - Train announcement facility - Google Patents
Train announcement facilityInfo
- Publication number
- FR890947A FR890947A FR890947DA FR890947A FR 890947 A FR890947 A FR 890947A FR 890947D A FR890947D A FR 890947DA FR 890947 A FR890947 A FR 890947A
- Authority
- FR
- France
- Prior art keywords
- announcement facility
- train announcement
- train
- facility
- announcement
- 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
- B61L29/32—Timing, e.g. advance warning of approaching train
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE890947X | 1942-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR890947A true FR890947A (en) | 1944-02-22 |
Family
ID=3884465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR890947D Expired FR890947A (en) | 1942-02-18 | 1943-02-10 | Train announcement facility |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR890947A (en) |
-
1943
- 1943-02-10 FR FR890947D patent/FR890947A/en not_active Expired
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