FR509924A - Wireless Telegraphy Improvements - Google Patents

Wireless Telegraphy Improvements

Info

Publication number
FR509924A
FR509924A FR509924DA FR509924A FR 509924 A FR509924 A FR 509924A FR 509924D A FR509924D A FR 509924DA FR 509924 A FR509924 A FR 509924A
Authority
FR
France
Prior art keywords
wireless telegraphy
telegraphy
wireless
telegraphy improvements
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR509924A publication Critical patent/FR509924A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR509924D 1919-05-06 1920-02-13 Wireless Telegraphy Improvements Expired FR509924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1132719A GB149066A (en) 1919-05-06 1919-05-06 Improvements in wireless telegraphy

Publications (1)

Publication Number Publication Date
FR509924A true FR509924A (en) 1920-11-23

Family

ID=9984210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR509924D Expired FR509924A (en) 1919-05-06 1920-02-13 Wireless Telegraphy Improvements

Country Status (2)

Country Link
FR (1) FR509924A (en)
GB (1) GB149066A (en)

Also Published As

Publication number Publication date
GB149066A (en) 1920-08-06

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