FR1221963A - Perfectionnements aux dispositifs avertisseurs de proximité - Google Patents
Perfectionnements aux dispositifs avertisseurs de proximitéInfo
- Publication number
- FR1221963A FR1221963A FR786535A FR786535A FR1221963A FR 1221963 A FR1221963 A FR 1221963A FR 786535 A FR786535 A FR 786535A FR 786535 A FR786535 A FR 786535A FR 1221963 A FR1221963 A FR 1221963A
- Authority
- FR
- France
- Prior art keywords
- warning devices
- proximity warning
- proximity
- devices
- warning
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4615/58A GB887864A (en) | 1958-02-12 | 1958-02-12 | Improvements in proximity warning radio devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1221963A true FR1221963A (fr) | 1960-06-07 |
Family
ID=9780514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR786535A Expired FR1221963A (fr) | 1958-02-12 | 1959-02-12 | Perfectionnements aux dispositifs avertisseurs de proximité |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1221963A (fr) |
GB (1) | GB887864A (fr) |
-
1958
- 1958-02-12 GB GB4615/58A patent/GB887864A/en not_active Expired
-
1959
- 1959-02-12 FR FR786535A patent/FR1221963A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB887864A (en) | 1962-01-24 |
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