FR50924E - Perfectionnements aux antennes de t.s.f. - Google Patents
Perfectionnements aux antennes de t.s.f.Info
- Publication number
- FR50924E FR50924E FR50924DA FR50924E FR 50924 E FR50924 E FR 50924E FR 50924D A FR50924D A FR 50924DA FR 50924 E FR50924 E FR 50924E
- Authority
- FR
- France
- 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
- G01S3/065—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 by using non-directional aerial
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR50924T | 1939-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR50924E true FR50924E (fr) | 1941-05-10 |
Family
ID=8685868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR50924D Expired FR50924E (fr) | 1939-12-19 | 1939-12-19 | Perfectionnements aux antennes de t.s.f. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR50924E (fr) |
-
1939
- 1939-12-19 FR FR50924D patent/FR50924E/fr not_active Expired
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