DE214791C - - Google Patents
Info
- Publication number
- DE214791C DE214791C DENDAT214791D DE214791DA DE214791C DE 214791 C DE214791 C DE 214791C DE NDAT214791 D DENDAT214791 D DE NDAT214791D DE 214791D A DE214791D A DE 214791DA DE 214791 C DE214791 C DE 214791C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- signal
- board
- board holder
- rod
- 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
- 238000013459 approach Methods 0.000 claims description 7
- 210000003813 thumb Anatomy 0.000 description 6
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Structure Of Telephone Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE214791C true DE214791C (https=) |
Family
ID=476347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT214791D Active DE214791C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE214791C (https=) |
-
0
- DE DENDAT214791D patent/DE214791C/de active Active
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