FR690422A - Traffic light for air navigation - Google Patents
Traffic light for air navigationInfo
- Publication number
- FR690422A FR690422A FR690422DA FR690422A FR 690422 A FR690422 A FR 690422A FR 690422D A FR690422D A FR 690422DA FR 690422 A FR690422 A FR 690422A
- Authority
- FR
- France
- Prior art keywords
- traffic light
- air navigation
- navigation
- air
- traffic
- 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
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE690422X | 1929-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR690422A true FR690422A (en) | 1930-09-19 |
Family
ID=6599513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR690422D Expired FR690422A (en) | 1929-02-22 | 1930-02-22 | Traffic light for air navigation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR690422A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE760793C (en) * | 1941-04-23 | 1953-04-16 | Aeg | Approach lights to mark direction finding lanes on airfields |
-
1930
- 1930-02-22 FR FR690422D patent/FR690422A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE760793C (en) * | 1941-04-23 | 1953-04-16 | Aeg | Approach lights to mark direction finding lanes on airfields |
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