NL90308C - - Google Patents

Info

Publication number
NL90308C
NL90308C NL90308DA NL90308C NL 90308 C NL90308 C NL 90308C NL 90308D A NL90308D A NL 90308DA NL 90308 C NL90308 C NL 90308C
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 NL90308C publication Critical patent/NL90308C/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
    • G01S3/023—Monitoring or calibrating
    • 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
    • G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems

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)
  • Monitoring And Testing Of Transmission In General (AREA)
NL90308D 1950-10-30 NL90308C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE702178X 1950-10-30

Publications (1)

Publication Number Publication Date
NL90308C true NL90308C (enrdf_load_html_response)

Family

ID=6612257

Family Applications (1)

Application Number Title Priority Date Filing Date
NL90308D NL90308C (enrdf_load_html_response) 1950-10-30

Country Status (5)

Country Link
US (1) US2687521A (enrdf_load_html_response)
BE (1) BE506776A (enrdf_load_html_response)
FR (1) FR1043966A (enrdf_load_html_response)
GB (1) GB702178A (enrdf_load_html_response)
NL (1) NL90308C (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131561C (enrdf_load_html_response) * 1971-05-07 1975-06-18 Standard Tel Kabelfab As

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584727A (en) * 1941-06-04 1947-01-22 Harvey Fisher Schwarz Improvements in radio control systems for movable objects
US2468028A (en) * 1945-05-12 1949-04-26 Standard Telephones Cables Ltd Method and apparatus for testing direction finders
US2607034A (en) * 1946-04-29 1952-08-12 Maxwell K Goldstein Signal generator system
US2510074A (en) * 1946-05-14 1950-06-06 Int Standard Electric Corp Display arrangement for electric oscillographs

Also Published As

Publication number Publication date
US2687521A (en) 1954-08-24
BE506776A (enrdf_load_html_response)
FR1043966A (fr) 1953-11-13
GB702178A (en) 1954-01-13

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