FR942743A - Systèmes radio-électriques détecteurs d'obstacles - Google Patents

Systèmes radio-électriques détecteurs d'obstacles

Info

Publication number
FR942743A
FR942743A FR942743DA FR942743A FR 942743 A FR942743 A FR 942743A FR 942743D A FR942743D A FR 942743DA FR 942743 A FR942743 A FR 942743A
Authority
FR
France
Prior art keywords
obstacle detection
radio systems
detection radio
systems
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)
French (fr)
Inventor
Armig Ghevont Kandoian
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 FR942743A publication Critical patent/FR942743A/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
    • 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)
FR942743D 1946-03-29 1947-03-07 Systèmes radio-électriques détecteurs d'obstacles Expired FR942743A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US259497XA 1946-03-29 1946-03-29

Publications (1)

Publication Number Publication Date
FR942743A true FR942743A (fr) 1949-02-16

Family

ID=21828949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942743D Expired FR942743A (fr) 1946-03-29 1947-03-07 Systèmes radio-électriques détecteurs d'obstacles

Country Status (4)

Country Link
BE (1) BE471721A (de)
CH (1) CH259497A (de)
FR (1) FR942743A (de)
NL (1) NL66952C (de)

Also Published As

Publication number Publication date
CH259497A (de) 1949-01-31
BE471721A (de) 1947-09-08
NL66952C (de) 1950-12-15

Similar Documents

Publication Publication Date Title
FR935451A (fr) Système de construction d'égouts
FR930057A (fr) Perfectionnements aux systèmes d'antennes
FR941062A (fr) Systèmes de communication
FR943066A (fr) Systèmes d'antennes directives
FR939313A (fr) Perfectionnements aux systèmes d'antennes dipôles
FR950563A (fr) Systèmes radioélectriques de détection d'obstacles
FR57758E (fr) Systèmes de balises radio-électriques
FR942743A (fr) Systèmes radio-électriques détecteurs d'obstacles
CH251041A (fr) Appareil de détection d'obstacles.
FR942930A (fr) Systèmes de radio-balises
FR981185A (fr) Systèmes d'antennes
FR936778A (fr) Systèmes d'aériens
FR951026A (fr) Systèmes radioélectriques détecteurs d'obstacles
FR923620A (fr) Systèmes d'entraînement de radiogoniométrie
FR951391A (fr) Systèmes radio-électriques de détection d'obstacles
ES178873A1 (es) Mejoras en sistemas de detección de obstáculos
FR937949A (fr) Systèmes d'antennes à effet directif
FR57638E (fr) Systèmes de repérage de véhicules et de communication avec ces véhicules
FR951665A (fr) Systèmes de balises radioélectriques
FR941345A (fr) Systèmes radiogoniométriques
FR944453A (fr) Systèmes de radiogoniomètres
FR951266A (fr) Systèmes d'antennes
FR928307A (fr) Perfectionnements aux systèmes d'antennes
FR925009A (fr) Perfectionnements aux systèmes d'antennes
FR57661E (fr) Systèmes d'antennes dirigés