FR491732A - Wireless telegraph station - Google Patents

Wireless telegraph station

Info

Publication number
FR491732A
FR491732A FR491732A FR491732DA FR491732A FR 491732 A FR491732 A FR 491732A FR 491732 A FR491732 A FR 491732A FR 491732D A FR491732D A FR 491732DA FR 491732 A FR491732 A FR 491732A
Authority
FR
France
Prior art keywords
wireless telegraph
telegraph station
station
wireless
telegraph
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
FR491732A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of FR491732A publication Critical patent/FR491732A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR491732A 1915-04-17 1916-02-21 Wireless telegraph station Expired FR491732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191505783T 1915-04-17

Publications (1)

Publication Number Publication Date
FR491732A true FR491732A (en) 1919-06-16

Family

ID=32674520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491732A Expired FR491732A (en) 1915-04-17 1916-02-21 Wireless telegraph station

Country Status (3)

Country Link
FR (1) FR491732A (en)
GB (1) GB191505783A (en)
NL (1) NL2851C (en)

Also Published As

Publication number Publication date
NL2851C (en)
GB191505783A (en) 1916-04-13

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