CH249409A - Einrichtung zur automatischen direkten Anzeige der Einfallsrichtung elektromagnetischer Wellen. - Google Patents

Einrichtung zur automatischen direkten Anzeige der Einfallsrichtung elektromagnetischer Wellen.

Info

Publication number
CH249409A
CH249409A CH249409DA CH249409A CH 249409 A CH249409 A CH 249409A CH 249409D A CH249409D A CH 249409DA CH 249409 A CH249409 A CH 249409A
Authority
CH
Switzerland
Prior art keywords
incidence
electromagnetic waves
direct display
automatic direct
automatic
Prior art date
Application number
Other languages
English (en)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH249409A publication Critical patent/CH249409A/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/38Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)
  • Radio Relay Systems (AREA)
CH249409D 1937-09-17 1938-09-13 Einrichtung zur automatischen direkten Anzeige der Einfallsrichtung elektromagnetischer Wellen. CH249409A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR249409X 1937-09-17

Publications (1)

Publication Number Publication Date
CH249409A true CH249409A (de) 1947-06-30

Family

ID=8883935

Family Applications (1)

Application Number Title Priority Date Filing Date
CH249409D CH249409A (de) 1937-09-17 1938-09-13 Einrichtung zur automatischen direkten Anzeige der Einfallsrichtung elektromagnetischer Wellen.

Country Status (2)

Country Link
CH (1) CH249409A (de)
GB (1) GB519461A (de)

Also Published As

Publication number Publication date
GB519461A (en) 1940-03-27

Similar Documents

Publication Publication Date Title
FR845844A (fr) Vibrateurs électromagnétiques
FR839635A (fr) Systèmes radio-électriques
FR812176A (fr) Dispositif pour fraisage parallèle
CH249409A (de) Einrichtung zur automatischen direkten Anzeige der Einfallsrichtung elektromagnetischer Wellen.
CH206325A (de) Selbsttätiger Alarmapparat.
FR837057A (fr) Horizon artificiel pour aéronefs
FR829174A (fr) Navire hydro-aérien
FR839729A (fr) Dispositif pour le lancement de parachutes
FR839255A (fr) Dispositif de sûreté pour pistolet
FR870882A (fr) Dispositif acoustique
FR834653A (fr) Dispositif de freinage
FR834848A (fr) Dispositif électrolytique perfectionné
FR817831A (fr) Treuil
FR841504A (fr) Dispositif de pointage
FR817461A (fr) Dispositif hydro-glisseur
FR831895A (fr) Dispositif fumivore
FR823682A (fr) Dispositif doseur-distributeur
FR819090A (fr) Dispositif de cible
FR816303A (fr) Dispositif de publicité
FR801029A (fr) Dispositif pour ourdir
FR843449A (fr) Dispositif de verrouillage électromagnétique
GR6246B (el) Ηλεκτρομαγνητικη συσκευη.
FR802796A (fr) Dispositif de remblayage
FR835146A (fr) Dispositif anti-éblouissant perfectionné
FR829540A (fr) Dispositif de sécurité pour avions