DE146062C - - Google Patents
Info
- Publication number
- DE146062C DE146062C DENDAT146062D DE146062DA DE146062C DE 146062 C DE146062 C DE 146062C DE NDAT146062 D DENDAT146062 D DE NDAT146062D DE 146062D A DE146062D A DE 146062DA DE 146062 C DE146062 C DE 146062C
- Authority
- DE
- Germany
- Prior art keywords
- barrier
- trees
- disc
- ringing
- movement
- 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.)
- Active
Links
- 230000004888 barrier function Effects 0.000 claims description 22
- 230000011664 signaling Effects 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 description 1
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
- B61L29/30—Supervision, e.g. monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE146062C true DE146062C (en:Method) |
Family
ID=413368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT146062D Active DE146062C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE146062C (en:Method) |
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0
- DE DENDAT146062D patent/DE146062C/de active Active
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