CH249409A - Device for automatic direct display of the direction of incidence of electromagnetic waves. - Google Patents

Device for automatic direct display of the direction of incidence of electromagnetic waves.

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
German (de)
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/en

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
    • G01S3/38—Systems 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
    • G01S3/42—Systems 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)
  • Radio Relay Systems (AREA)
  • Toys (AREA)
CH249409D 1937-09-17 1938-09-13 Device for automatic direct display of the direction of incidence of electromagnetic waves. CH249409A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=8883935

Family Applications (1)

Application Number Title Priority Date Filing Date
CH249409D CH249409A (en) 1937-09-17 1938-09-13 Device for automatic direct display of the direction of incidence of electromagnetic waves.

Country Status (2)

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

Also Published As

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

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