NL49973C - - Google Patents

Info

Publication number
NL49973C
NL49973C NL49973DA NL49973C NL 49973 C NL49973 C NL 49973C NL 49973D A NL49973D A NL 49973DA NL 49973 C NL49973 C NL 49973C
Authority
NL
Netherlands
Application number
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.)
Publication of NL49973C publication Critical patent/NL49973C/xx

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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
NL49973D 1936-10-21 NL49973C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB827732X 1936-10-21

Publications (1)

Publication Number Publication Date
NL49973C true NL49973C (xx)

Family

ID=10535652

Family Applications (1)

Application Number Title Priority Date Filing Date
NL49973D NL49973C (xx) 1936-10-21

Country Status (2)

Country Link
FR (1) FR827732A (xx)
NL (1) NL49973C (xx)

Also Published As

Publication number Publication date
FR827732A (fr) 1938-05-03

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