FR31978E - Radio goniomètre pour ondes courtes - Google Patents
Radio goniomètre pour ondes courtesInfo
- Publication number
- FR31978E FR31978E FR31978DA FR31978E FR 31978 E FR31978 E FR 31978E FR 31978D A FR31978D A FR 31978DA FR 31978 E FR31978 E FR 31978E
- Authority
- FR
- France
- Prior art keywords
- shortwave radio
- radio goniometer
- goniometer
- shortwave
- radio
- 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
- 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 |
|---|---|---|---|
| FR31978T | 1926-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR31978E true FR31978E (fr) | 1927-08-27 |
Family
ID=8669744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR31978D Expired FR31978E (fr) | 1926-01-07 | 1926-01-07 | Radio goniomètre pour ondes courtes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR31978E (fr) |
-
1926
- 1926-01-07 FR FR31978D patent/FR31978E/fr not_active Expired
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