FR2227993A1 - Bird scarer using dual frequency laser beam - has rotating generator to provide conical beam - Google Patents
Bird scarer using dual frequency laser beam - has rotating generator to provide conical beamInfo
- Publication number
- FR2227993A1 FR2227993A1 FR7316817A FR7316817A FR2227993A1 FR 2227993 A1 FR2227993 A1 FR 2227993A1 FR 7316817 A FR7316817 A FR 7316817A FR 7316817 A FR7316817 A FR 7316817A FR 2227993 A1 FR2227993 A1 FR 2227993A1
- Authority
- FR
- France
- Prior art keywords
- disc
- laser
- dual frequency
- frequency laser
- laser beam
- 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.)
- Granted
Links
- 230000009977 dual effect Effects 0.000 title 1
- 208000032544 Cicatrix Diseases 0.000 abstract 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 abstract 1
- 206010039580 Scar Diseases 0.000 abstract 1
- 229940097275 indigo Drugs 0.000 abstract 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 208000014745 severe cutaneous adverse reaction Diseases 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Catching Or Destruction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7316817A FR2227993A1 (en) | 1973-05-04 | 1973-05-04 | Bird scarer using dual frequency laser beam - has rotating generator to provide conical beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7316817A FR2227993A1 (en) | 1973-05-04 | 1973-05-04 | Bird scarer using dual frequency laser beam - has rotating generator to provide conical beam |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2227993A1 true FR2227993A1 (en) | 1974-11-29 |
FR2227993B3 FR2227993B3 (fr) | 1976-04-23 |
Family
ID=9119072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7316817A Granted FR2227993A1 (en) | 1973-05-04 | 1973-05-04 | Bird scarer using dual frequency laser beam - has rotating generator to provide conical beam |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2227993A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236267A2 (fr) * | 1986-03-04 | 1987-09-09 | Rüdiger Steffen | Procédé et dispositif de prévention d'impacts d'oiseaux |
DE4029204A1 (de) * | 1990-09-14 | 1992-03-19 | Hella Kg Hueck & Co | Verfahren und einrichtung zur vermeidung von flugzeugkollisionen |
DE4029205A1 (de) * | 1990-09-14 | 1992-03-19 | Hella Kg Hueck & Co | Verfahren und einrichtung zur vermeidung von vogelschlag an flugzeugen |
US6681714B1 (en) * | 1999-12-02 | 2004-01-27 | Richard Robert Johnson | Method for chasing animals from a location |
-
1973
- 1973-05-04 FR FR7316817A patent/FR2227993A1/fr active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236267A2 (fr) * | 1986-03-04 | 1987-09-09 | Rüdiger Steffen | Procédé et dispositif de prévention d'impacts d'oiseaux |
EP0236267A3 (en) * | 1986-03-04 | 1989-04-12 | Rudiger Steffen | Method and device for preventing the impact of birds |
DE4029204A1 (de) * | 1990-09-14 | 1992-03-19 | Hella Kg Hueck & Co | Verfahren und einrichtung zur vermeidung von flugzeugkollisionen |
DE4029205A1 (de) * | 1990-09-14 | 1992-03-19 | Hella Kg Hueck & Co | Verfahren und einrichtung zur vermeidung von vogelschlag an flugzeugen |
US5319367A (en) * | 1990-09-14 | 1994-06-07 | Hella Kg Hueck & Co. | Process and apparatus for the avoidance of airplane collisions |
US6681714B1 (en) * | 1999-12-02 | 2004-01-27 | Richard Robert Johnson | Method for chasing animals from a location |
Also Published As
Publication number | Publication date |
---|---|
FR2227993B3 (fr) | 1976-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |