FR369792A - Improvements to signal transmission devices by electromagnetic waves - Google Patents

Improvements to signal transmission devices by electromagnetic waves

Info

Publication number
FR369792A
FR369792A FR369792DA FR369792A FR 369792 A FR369792 A FR 369792A FR 369792D A FR369792D A FR 369792DA FR 369792 A FR369792 A FR 369792A
Authority
FR
France
Prior art keywords
signal transmission
electromagnetic waves
transmission devices
devices
waves
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.)
DE FOREST WIRELESS TELEGRAPH SYNDICATE Ltd
Original Assignee
DE FOREST WIRELESS TELEGRAPH SYNDICATE 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 DE FOREST WIRELESS TELEGRAPH SYNDICATE Ltd filed Critical DE FOREST WIRELESS TELEGRAPH SYNDICATE Ltd
Application granted granted Critical
Publication of FR369792A publication Critical patent/FR369792A/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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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)
FR369792D 1906-09-15 1906-09-15 Improvements to signal transmission devices by electromagnetic waves Expired FR369792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR369792T 1906-09-15

Publications (1)

Publication Number Publication Date
FR369792A true FR369792A (en) 1907-01-19

Family

ID=1416767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR369792D Expired FR369792A (en) 1906-09-15 1906-09-15 Improvements to signal transmission devices by electromagnetic waves

Country Status (1)

Country Link
FR (1) FR369792A (en)

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