FR975586A - Direct reading direction finding - Google Patents

Direct reading direction finding

Info

Publication number
FR975586A
FR975586A FR975586DA FR975586A FR 975586 A FR975586 A FR 975586A FR 975586D A FR975586D A FR 975586DA FR 975586 A FR975586 A FR 975586A
Authority
FR
France
Prior art keywords
direction finding
reading direction
direct reading
direct
finding
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR975586A publication Critical patent/FR975586A/en
Expired legal-status Critical Current

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
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
FR975586D 1942-03-02 1942-03-02 Direct reading direction finding Expired FR975586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975586T 1942-03-02

Publications (1)

Publication Number Publication Date
FR975586A true FR975586A (en) 1951-03-07

Family

ID=9518189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975586D Expired FR975586A (en) 1942-03-02 1942-03-02 Direct reading direction finding

Country Status (1)

Country Link
FR (1) FR975586A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000474B (en) * 1953-03-23 1957-01-10 Dr Maximilian Waechtler Arrangement for determining the side of a radio direction finder based on the two-channel principle with optical display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000474B (en) * 1953-03-23 1957-01-10 Dr Maximilian Waechtler Arrangement for determining the side of a radio direction finder based on the two-channel principle with optical display
DE1000474C2 (en) * 1953-03-23 1957-07-25 Dr Maximilian Waechtler Arrangement for determining the side of a radio direction finder based on the two-channel principle with optical display

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