NL7209792A - - Google Patents

Info

Publication number
NL7209792A
NL7209792A NL7209792A NL7209792A NL7209792A NL 7209792 A NL7209792 A NL 7209792A NL 7209792 A NL7209792 A NL 7209792A NL 7209792 A NL7209792 A NL 7209792A NL 7209792 A NL7209792 A NL 7209792A
Authority
NL
Netherlands
Application number
NL7209792A
Other versions
NL177269B (nl
NL177269C (nl
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 filed Critical
Publication of NL7209792A publication Critical patent/NL7209792A/xx
Publication of NL177269B publication Critical patent/NL177269B/xx
Application granted granted Critical
Publication of NL177269C publication Critical patent/NL177269C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas
    • 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
    • G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
NLAANVRAGE7209792,A 1971-07-16 1972-07-14 Moduskoppelinrichting in een peilingstelsel. NL177269C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2135611 1971-07-16

Publications (3)

Publication Number Publication Date
NL7209792A true NL7209792A (cg-RX-API-DMAC10.html) 1973-01-18
NL177269B NL177269B (nl) 1985-03-18
NL177269C NL177269C (nl) 1985-08-16

Family

ID=5813903

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7209792,A NL177269C (nl) 1971-07-16 1972-07-14 Moduskoppelinrichting in een peilingstelsel.

Country Status (7)

Country Link
JP (1) JPS5132559B1 (cg-RX-API-DMAC10.html)
CA (1) CA993531A (cg-RX-API-DMAC10.html)
CH (1) CH538763A (cg-RX-API-DMAC10.html)
DE (1) DE2135611C2 (cg-RX-API-DMAC10.html)
FR (1) FR2146282B3 (cg-RX-API-DMAC10.html)
GB (1) GB1403747A (cg-RX-API-DMAC10.html)
NL (1) NL177269C (cg-RX-API-DMAC10.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH639769A5 (de) * 1979-10-02 1983-11-30 Fruengel Frank Sichtweitenmessgeraet nach dem prinzip der vorwaertsstreuung und dessen verwendung.
FI75669C (fi) * 1986-02-04 1988-07-11 Vaisala Oy Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.
DE102013011651A1 (de) * 2013-07-11 2015-01-15 ESA-microwave service GmbH Antennen-Speisesystem im Mikrowellenbereich für Reflektorantennen

Also Published As

Publication number Publication date
FR2146282B3 (cg-RX-API-DMAC10.html) 1975-09-05
GB1403747A (en) 1975-08-28
CH538763A (de) 1973-06-30
FR2146282A1 (cg-RX-API-DMAC10.html) 1973-03-02
JPS5132559B1 (cg-RX-API-DMAC10.html) 1976-09-13
DE2135611B1 (de) 1972-11-16
CA993531A (en) 1976-07-20
DE2135611C2 (de) 1975-02-06
NL177269B (nl) 1985-03-18
NL177269C (nl) 1985-08-16

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: AEG-TELEFUNKEN NACHRICHTENTECHNIK GMBH

DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: ANT NACHRICHTENTECHNIK GMBH

A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee