FR72023E - Balises radio-électriques tournantes - Google Patents

Balises radio-électriques tournantes

Info

Publication number
FR72023E
FR72023E FR72023DA FR72023E FR 72023 E FR72023 E FR 72023E FR 72023D A FR72023D A FR 72023DA FR 72023 E FR72023 E FR 72023E
Authority
FR
France
Prior art keywords
radio beacons
rotating radio
rotating
beacons
radio
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
Fritz Steiner
Erich Kramar
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR72023E publication Critical patent/FR72023E/fr
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
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas

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)
  • Position Fixing By Use Of Radio Waves (AREA)
FR72023D 1956-05-19 1957-05-16 Balises radio-électriques tournantes Expired FR72023E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL24896A DE1085929B (de) 1956-05-19 1956-05-19 Verfahren zur Anschaltung eines Antennensystems an einen Peilempfaenger oder einen Funkfeuersender

Publications (1)

Publication Number Publication Date
FR72023E true FR72023E (fr) 1960-03-21

Family

ID=7263242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR72023D Expired FR72023E (fr) 1956-05-19 1957-05-16 Balises radio-électriques tournantes

Country Status (2)

Country Link
DE (1) DE1085929B (fr)
FR (1) FR72023E (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920348A (en) * 1987-10-08 1990-04-24 Baghdady Elie J Method and apparatus for signal modulation and detection
US5075695A (en) * 1987-10-08 1991-12-24 Baghdady Elie J Method and apparatus for signal modulation and detection
US5264857A (en) * 1987-10-08 1993-11-23 Baghdady Elie J Method and apparatus for signal modulation and detection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135042C (fr) * 1942-05-27
GB635277A (en) * 1947-03-11 1950-04-05 Standard Telephones Cables Ltd Improvements in or relating to radio direction finders

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920348A (en) * 1987-10-08 1990-04-24 Baghdady Elie J Method and apparatus for signal modulation and detection
US5075695A (en) * 1987-10-08 1991-12-24 Baghdady Elie J Method and apparatus for signal modulation and detection
US5264857A (en) * 1987-10-08 1993-11-23 Baghdady Elie J Method and apparatus for signal modulation and detection
US5457708A (en) * 1987-10-08 1995-10-10 Baghdady; Elie J. Method and apparatus for signal modulation and detection

Also Published As

Publication number Publication date
DE1085929B (de) 1960-07-28

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