FR773205A - Signal lumineux - Google Patents
Signal lumineuxInfo
- Publication number
- FR773205A FR773205A FR773205DA FR773205A FR 773205 A FR773205 A FR 773205A FR 773205D A FR773205D A FR 773205DA FR 773205 A FR773205 A FR 773205A
- Authority
- FR
- France
- Prior art keywords
- light signal
- light
- 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
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/1809—Daylight signals
- B61L5/1845—Optical systems, lenses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE773205X | 1933-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR773205A true FR773205A (fr) | 1934-11-14 |
Family
ID=6683644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR773205D Expired FR773205A (fr) | 1933-05-13 | 1934-05-12 | Signal lumineux |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR773205A (fr) |
-
1934
- 1934-05-12 FR FR773205D patent/FR773205A/fr not_active Expired
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