GB190904801A - Improvements in Directed Wireless Telegraphy. - Google Patents

Improvements in Directed Wireless Telegraphy.

Info

Publication number
GB190904801A
GB190904801A GB190904801DA GB190904801A GB 190904801 A GB190904801 A GB 190904801A GB 190904801D A GB190904801D A GB 190904801DA GB 190904801 A GB190904801 A GB 190904801A
Authority
GB
United Kingdom
Prior art keywords
aerial
directed
wireless telegraphy
former
directed wireless
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
Inventor
Ettore Bellini
Alessandro Tosi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190904801A publication Critical patent/GB190904801A/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
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional 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)
  • Mobile Radio Communication Systems (AREA)

Abstract

4801. Bellini, E., and Tosi, A. March 7, 1908, [Convention date]. Directive wireless signalling.-In a system of directed wireless telegraphy, wave propagation is arranged to be a maximum in a given direction and a minimum in the opposite direction, by adding to the aerial a as ordinarily used for directed propagation a second aerial b at the axis of symmetry of the former, this aerial radiating waves which are in phase with, or in opposition to, and preferably of the same amplitude as, the waves radiated by the former aerial. The arrangements for the receiving - aerial are similar to the above.
GB190904801D 1908-03-07 1909-02-26 Improvements in Directed Wireless Telegraphy. Expired GB190904801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR190904801X 1908-03-07

Publications (1)

Publication Number Publication Date
GB190904801A true GB190904801A (en) 1909-07-29

Family

ID=32480687

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190904801D Expired GB190904801A (en) 1908-03-07 1909-02-26 Improvements in Directed Wireless Telegraphy.

Country Status (2)

Country Link
DE (1) DE221242C (en)
GB (1) GB190904801A (en)

Also Published As

Publication number Publication date
DE221242C (en)

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