NL26887C - - Google Patents

Info

Publication number
NL26887C
NL26887C NL26887DA NL26887C NL 26887 C NL26887 C NL 26887C NL 26887D A NL26887D A NL 26887DA NL 26887 C NL26887 C NL 26887C
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 NL26887C publication Critical patent/NL26887C/xx

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
    • G01S3/04Details
    • G01S3/06Means 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL26887D 1928-11-19 NL26887C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US320357A US1867232A (en) 1928-11-19 1928-11-19 Wireless receiving system

Publications (1)

Publication Number Publication Date
NL26887C true NL26887C (de)

Family

ID=23246045

Family Applications (1)

Application Number Title Priority Date Filing Date
NL26887D NL26887C (de) 1928-11-19

Country Status (3)

Country Link
US (1) US1867232A (de)
DE (1) DE518654C (de)
NL (1) NL26887C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE475387A (de) * 1940-02-09

Also Published As

Publication number Publication date
US1867232A (en) 1932-07-12
DE518654C (de) 1931-02-18

Similar Documents

Publication Publication Date Title
FR632470A (de)
FR632469A (de)
FR636588A (de)
FR636412A (de)
FR632875A (de)
FR632806A (de)
FR632472A (de)
FR632409A (de)
BE364161A (de)
BE349412A (de)
NL45452B (de)
NL44935C (de)
NL43358C (de)
BE313099A (de)
NL28905C (de)
BE283147A (de)
BE303782A (de)
BE267873A (de)
NL27832C (de)
BE317010A (de)
BE302864A (de)
NL24221C (de)
BE318611A (de)
BE490090A (de)
BE346912A (de)