CH148659A - Automatically controlled barrier with signal devices. - Google Patents
Automatically controlled barrier with signal devices.Info
- Publication number
- CH148659A CH148659A CH148659DA CH148659A CH 148659 A CH148659 A CH 148659A CH 148659D A CH148659D A CH 148659DA CH 148659 A CH148659 A CH 148659A
- Authority
- CH
- Switzerland
- Prior art keywords
- automatically controlled
- signal devices
- controlled barrier
- barrier
- devices
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 title 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
- B61L29/08—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
- B61L29/226—Operation by approaching rail vehicle or train electrically using track-circuits, closed or short-circuited by train or using isolated rail-sections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH148659T | 1930-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH148659A true CH148659A (en) | 1931-07-31 |
Family
ID=4404424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH148659D CH148659A (en) | 1930-05-31 | 1930-05-31 | Automatically controlled barrier with signal devices. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH148659A (en) |
-
1930
- 1930-05-31 CH CH148659D patent/CH148659A/en unknown
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