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
Other languages
English (en)
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

    • 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
    • G01S3/12Means 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)
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 (enrdf_load_stackoverflow)
GB (1) GB190904801A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE221242C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB550127A (en) Improvements in electromagnetic tapered wave-guide radiators
Friis et al. Radar antennas
GB565379A (en) Radio landing guide system for aircraft
GB190904801A (en) Improvements in Directed Wireless Telegraphy.
GB588242A (en) Radio glide path systems for landing aircraft
CH293581A (de) Einseitenband-Signalübertragungsanlage mit vollständig unterdrückter Trägerwelle und zwei Hilfsfrequenz-Seitenbändern.
ES416978A1 (es) Un sistema de antena para radiacion de haces planares codi-ficado en frecuencias segun el angulo de radiacion.
GB796549A (en) Improvements in or relating to directional radio antennae
GB273754A (en) Improvements in or relating to radio direction finding, range finding, and similar observations
US2451967A (en) Vibrational energy transmitter or receiver
US2870441A (en) Microwave antennas
US2454805A (en) Vertical scanning antennareflector system
GB442193A (en) Improvements in or relating to directive wireless signalling
GB675245A (en) Improvements in or relating to radio antenn?
GB990032A (en) Omnidirectional beacon antenna
US2408113A (en) Apparatus for submarine signaling
US2238229A (en) System for emitting directed radiant energy
GB634389A (en) Radio beacon system
GB600101A (en) Improvements in or relating to electromagnetic horns
JPS5644201A (en) Antifogging plate glass equipped with omnidirectional receiving antenna
GB522929A (en) Improvements in or relating to magneto-strictive echo sounding apparatus
GB307060A (en) Improvements in or relating to aerial systems
US748597A (en) Lee de forest
GB191224345A (en) Improvements in and relating to Aerials for use in Wireless Telegraphy.
GB190920230A (en) Improvements in Wireless Telegraph Transmitting and Receiving Stations.