FR995381A - Perfectionnements aux méthodes et appareils de détection radio électriques des obstacles - Google Patents

Perfectionnements aux méthodes et appareils de détection radio électriques des obstacles

Info

Publication number
FR995381A
FR995381A FR995381DA FR995381A FR 995381 A FR995381 A FR 995381A FR 995381D A FR995381D A FR 995381DA FR 995381 A FR995381 A FR 995381A
Authority
FR
France
Prior art keywords
devices
detection methods
obstacle detection
radio electric
electric obstacle
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)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR995381A publication Critical patent/FR995381A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034—Duplexers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/10—Auxiliary devices for switching or interrupting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Waveguide Aerials (AREA)
FR995381D 1945-02-07 1945-02-07 Perfectionnements aux méthodes et appareils de détection radio électriques des obstacles Expired FR995381A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR836363X 1945-02-07

Publications (1)

Publication Number Publication Date
FR995381A true FR995381A (fr) 1951-11-30

Family

ID=9298044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR995381D Expired FR995381A (fr) 1945-02-07 1945-02-07 Perfectionnements aux méthodes et appareils de détection radio électriques des obstacles

Country Status (6)

Country Link
BE (1) BE462929A (fr)
CH (1) CH251041A (fr)
DE (1) DE836363C (fr)
ES (1) ES172694A1 (fr)
FR (1) FR995381A (fr)
GB (1) GB634299A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745269A (en) * 1953-09-25 1956-02-22 Raytheon Mfg Co Improvements in or relating to antenna systems and mounting means therefor
DE1036944B (de) * 1954-01-14 1958-08-21 Emi Ltd Aus Sender und Empfaenger bestehendes, impulsmaessig betriebenes Rueckstrahlortungsgeraet
DE1268699B (de) * 1960-07-06 1968-05-22 Marconi Co Ltd Hohlleiterschalter
DE1266367B (de) * 1960-09-30 1968-04-18 Lab For Electrinics Antennenanordnung fuer Dauerstrich-Radargeraet mit Auswertung von Doppler-Schwebungen

Also Published As

Publication number Publication date
CH251041A (fr) 1947-09-30
DE836363C (de) 1952-04-10
BE462929A (fr)
GB634299A (en) 1950-03-15
ES172694A1 (es) 1946-08-01

Similar Documents

Publication Publication Date Title
FR937764A (fr) Perfectionnement aux appareils de télévision
FR995381A (fr) Perfectionnements aux méthodes et appareils de détection radio électriques des obstacles
FR917229A (fr) Perfectionnements aux postes émetteurs et récepteurs de télévision
FR921206A (fr) Perfectionnements aux procédés de repérage électromagnétique des obstacles
FR57991E (fr) Perfectionnements aux méthodes et appareils de détection radioélectriques des obstacles
FR932782A (fr) Perfectionnements apportés aux évaporateurs et appareils similaires
ES182393A1 (es) Sistemas traductores de ondas y senales eléctricas.
FR916843A (fr) Perfectionnements aux appareils d'électrothérapie
FR60435E (fr) Perfectionnements aux méthodes et appareils de détection radioélectriques des obstacles
FR974013A (fr) Perfectionnements aux méthodes et appareils de prise de vues steréoscopiques
FR997331A (fr) Perfectionnement aux appareils thermoélectriques
FR930855A (fr) Perfectionnement aux appareils électriques médicaux
FR994840A (fr) Perfectionnements aux méthodes et appareils de modulation des ondes ultra-courtes
FR918001A (fr) Perfectionnements aux roulettes de meubles et appareils divers
FR918656A (fr) Appareil de dragage et de curage
FR920414A (fr) Perfectionnement aux appareils de prise de vues
CA425459A (fr) Appareil collecteur du courant
FR909225A (fr) Perfectionnements aux haut-parleurs
FR936723A (fr) Perfectionnements aux méthodes et appareils de transmission télégraphique
AU125219B2 (en) Improvements in or relating to electric potential sensitive devices
FR927230A (fr) Perfectionnements aux appareils radiorécepteurs
FR917305A (fr) Appareil récepteur de radiodiffusion amélioré
FR952423A (fr) Perfectionnement aux filtres électriques
ES178873A1 (es) Mejoras en sistemas de detección de obstáculos
FR950153A (fr) Appareils électriques discriminateurs de fréquence