FR771566A - Improvements to direction finders - Google Patents
Improvements to direction findersInfo
- Publication number
- FR771566A FR771566A FR771566DA FR771566A FR 771566 A FR771566 A FR 771566A FR 771566D A FR771566D A FR 771566DA FR 771566 A FR771566 A FR 771566A
- Authority
- FR
- France
- Prior art keywords
- direction finders
- finders
- 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
- G01S3/10—Means for reducing or compensating for quadrantal, site, or like errors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR771566T | 1933-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR771566A true FR771566A (en) | 1934-10-12 |
Family
ID=9191157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR771566D Expired FR771566A (en) | 1933-07-10 | 1933-07-10 | Improvements to direction finders |
Country Status (2)
Country | Link |
---|---|
US (1) | US2095588A (en) |
FR (1) | FR771566A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2933730A (en) * | 1958-04-25 | 1960-04-19 | William W Main | Directional radio antenna attachment for surveyors transits |
US2959782A (en) * | 1958-11-14 | 1960-11-08 | Jr Philip S Carter | Direction finding antenna |
EP0240782B1 (en) * | 1986-03-26 | 1991-05-08 | Siemens Aktiengesellschaft | Mounting of a magnetic field sensor on a motor vehicle for navigational purposes |
US8816933B2 (en) * | 2008-10-23 | 2014-08-26 | Troll Systems Corporation | Directional diversity receive system |
-
1933
- 1933-07-10 FR FR771566D patent/FR771566A/en not_active Expired
-
1934
- 1934-05-15 US US725694A patent/US2095588A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2095588A (en) | 1937-10-12 |
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