FR1178907A - Device for radio-determination of a direction - Google Patents
Device for radio-determination of a directionInfo
- Publication number
- FR1178907A FR1178907A FR1178907DA FR1178907A FR 1178907 A FR1178907 A FR 1178907A FR 1178907D A FR1178907D A FR 1178907DA FR 1178907 A FR1178907 A FR 1178907A
- Authority
- FR
- France
- Prior art keywords
- radio
- determination
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1178907X | 1956-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1178907A true FR1178907A (en) | 1959-05-19 |
Family
ID=20421489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1178907D Expired FR1178907A (en) | 1956-08-02 | 1957-07-15 | Device for radio-determination of a direction |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1178907A (en) |
-
1957
- 1957-07-15 FR FR1178907D patent/FR1178907A/en not_active Expired
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