FR1237108A - Systèmes de radionavigation - Google Patents

Systèmes de radionavigation

Info

Publication number
FR1237108A
FR1237108A FR697546A FR697546A FR1237108A FR 1237108 A FR1237108 A FR 1237108A FR 697546 A FR697546 A FR 697546A FR 697546 A FR697546 A FR 697546A FR 1237108 A FR1237108 A FR 1237108A
Authority
FR
France
Prior art keywords
navigation systems
radio navigation
radio
systems
navigation
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
FR697546A
Other languages
English (en)
Inventor
Sidney B Pickles
Sven H M Dodington
Gus Stavis
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
Priority to FR697546A priority Critical patent/FR1237108A/fr
Priority claimed from US531025A external-priority patent/US2877344A/en
Priority to FR57589A priority patent/FR74023E/fr
Priority to FR57611D priority patent/FR74024E/fr
Priority to FR57639D priority patent/FR74025E/fr
Priority to FR57914A priority patent/FR74026E/fr
Priority to CH355484D priority patent/CH355484A/de
Application granted granted Critical
Publication of FR1237108A publication Critical patent/FR1237108A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • 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
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
FR697546A 1955-08-15 1955-08-15 Systèmes de radionavigation Expired FR1237108A (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR697546A FR1237108A (fr) 1955-08-15 1955-08-15 Systèmes de radionavigation
FR57589A FR74023E (fr) 1955-08-15 1956-08-21 Système de radionavigation
FR57611D FR74024E (fr) 1955-08-15 1956-08-28 Système de radionavigation
FR57639D FR74025E (fr) 1955-08-15 1956-09-06 Système de radionavigation
FR57914A FR74026E (fr) 1955-08-15 1956-11-08 Système de radionavigation
CH355484D CH355484A (de) 1955-08-15 1956-11-09 Signalübertragungsanlage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR697546A FR1237108A (fr) 1955-08-15 1955-08-15 Systèmes de radionavigation
US531025A US2877344A (en) 1955-08-29 1955-08-29 Transmitter-receiver tuning system

Publications (1)

Publication Number Publication Date
FR1237108A true FR1237108A (fr) 1960-07-29

Family

ID=26182961

Family Applications (3)

Application Number Title Priority Date Filing Date
FR697546A Expired FR1237108A (fr) 1955-08-15 1955-08-15 Systèmes de radionavigation
FR57589A Expired FR74023E (fr) 1955-08-15 1956-08-21 Système de radionavigation
FR57611D Expired FR74024E (fr) 1955-08-15 1956-08-28 Système de radionavigation

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR57589A Expired FR74023E (fr) 1955-08-15 1956-08-21 Système de radionavigation
FR57611D Expired FR74024E (fr) 1955-08-15 1956-08-28 Système de radionavigation

Country Status (1)

Country Link
FR (3) FR1237108A (fr)

Also Published As

Publication number Publication date
FR74023E (fr) 1960-11-07
FR74024E (fr) 1960-11-07

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