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 type

Info

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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR51631E publication Critical patent/FR51631E/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/04Details
    • G01S3/10Means for reducing or compensating for quadrantal, site, or like errors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop 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
    • H01Q7/06Loop 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
    • H01Q7/08Ferrite 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)
FR51631D 1939-01-06 1941-02-12 Improvements to direction finding frames with magnetic core and, in particular, core of the agglomerated type Expired FR51631E (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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