FR494879A - Improvements to air navigation devices for defense against enemy aircraft or other applications - Google Patents
Improvements to air navigation devices for defense against enemy aircraft or other applicationsInfo
- Publication number
- FR494879A FR494879A FR494879A FR494879DA FR494879A FR 494879 A FR494879 A FR 494879A FR 494879 A FR494879 A FR 494879A FR 494879D A FR494879D A FR 494879DA FR 494879 A FR494879 A FR 494879A
- Authority
- FR
- France
- Prior art keywords
- applications
- navigation devices
- defense against
- air navigation
- enemy aircraft
- 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
- B64C—AEROPLANES; HELICOPTERS
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/005—Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB494879X | 1915-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR494879A true FR494879A (en) | 1919-09-20 |
Family
ID=1530477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR494879A Expired FR494879A (en) | 1915-11-29 | 1917-06-11 | Improvements to air navigation devices for defense against enemy aircraft or other applications |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR494879A (en) |
-
1917
- 1917-06-11 FR FR494879A patent/FR494879A/en not_active Expired
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