FR840883A - Improvements provided to radio position researchers - Google Patents

Improvements provided to radio position researchers

Info

Publication number
FR840883A
FR840883A FR840883DA FR840883A FR 840883 A FR840883 A FR 840883A FR 840883D A FR840883D A FR 840883DA FR 840883 A FR840883 A FR 840883A
Authority
FR
France
Prior art keywords
researchers
improvements provided
radio position
radio
position researchers
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)
Inventor
Roberts
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 filed Critical
Application granted granted Critical
Publication of FR840883A publication Critical patent/FR840883A/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)
  • Toys (AREA)
FR840883D 1937-07-21 1938-07-20 Improvements provided to radio position researchers Expired FR840883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2026637A GB499383A (en) 1937-07-21 1937-07-21 Improvements relating to position-finding radio apparatus

Publications (1)

Publication Number Publication Date
FR840883A true FR840883A (en) 1939-05-05

Family

ID=10143137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840883D Expired FR840883A (en) 1937-07-21 1938-07-20 Improvements provided to radio position researchers

Country Status (2)

Country Link
FR (1) FR840883A (en)
GB (1) GB499383A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421948A (en) * 1939-11-27 1947-06-10 Lear Inc Dual radio direction finder

Also Published As

Publication number Publication date
GB499383A (en) 1939-01-23

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