FR610443A - Improvements to balancing direction finders - Google Patents

Improvements to balancing direction finders

Info

Publication number
FR610443A
FR610443A FR610443DA FR610443A FR 610443 A FR610443 A FR 610443A FR 610443D A FR610443D A FR 610443DA FR 610443 A FR610443 A FR 610443A
Authority
FR
France
Prior art keywords
direction finders
balancing direction
balancing
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
Application number
Other languages
French (fr)
Inventor
Ettore Bellini
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 filed Critical
Application granted granted Critical
Publication of FR610443A publication Critical patent/FR610443A/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
    • 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Eye Examination Apparatus (AREA)
FR610443D 1925-05-08 1925-05-08 Improvements to balancing direction finders Expired FR610443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR442462X 1925-05-08

Publications (1)

Publication Number Publication Date
FR610443A true FR610443A (en) 1926-09-06

Family

ID=8900212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR610443D Expired FR610443A (en) 1925-05-08 1925-05-08 Improvements to balancing direction finders

Country Status (4)

Country Link
DE (1) DE442462C (en)
FR (1) FR610443A (en)
GB (1) GB251984A (en)
NL (1) NL18344C (en)

Also Published As

Publication number Publication date
GB251984A (en) 1927-04-07
NL18344C (en)
DE442462C (en) 1927-03-31

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