FR51631E - Improvements to direction finding frames with magnetic core and, in particular, core of the agglomerated type - Google Patents
Improvements to direction finding frames with magnetic core and, in particular, core of the agglomerated typeInfo
- Publication number
- FR51631E FR51631E FR51631DA FR51631E FR 51631 E FR51631 E FR 51631E FR 51631D A FR51631D A FR 51631DA FR 51631 E FR51631 E FR 51631E
- Authority
- FR
- France
- Prior art keywords
- core
- direction finding
- magnetic core
- finding frames
- agglomerated type
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET51573D DE705828C (en) | 1939-01-06 | 1939-01-06 | Arrangement to compensate for the on-board effect in a bearing frame arranged on a vehicle, the windings of which enclose a ferromagnetic core |
Publications (1)
Publication Number | Publication Date |
---|---|
FR51631E true FR51631E (en) | 1943-03-18 |
Family
ID=7563695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR51631D Expired FR51631E (en) | 1939-01-06 | 1941-02-12 | Improvements to direction finding frames with magnetic core and, in particular, core of the agglomerated type |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE705828C (en) |
FR (1) | FR51631E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2939138A (en) * | 1956-11-06 | 1960-05-31 | Collins Radio Co | Bearing correction means for a direction finding antenna |
-
1939
- 1939-01-06 DE DET51573D patent/DE705828C/en not_active Expired
-
1941
- 1941-02-12 FR FR51631D patent/FR51631E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2939138A (en) * | 1956-11-06 | 1960-05-31 | Collins Radio Co | Bearing correction means for a direction finding antenna |
Also Published As
Publication number | Publication date |
---|---|
DE705828C (en) | 1941-05-10 |
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