NL177269C - Moduskoppelinrichting in een peilingstelsel. - Google Patents

Moduskoppelinrichting in een peilingstelsel.

Info

Publication number
NL177269C
NL177269C NLAANVRAGE7209792,A NL7209792A NL177269C NL 177269 C NL177269 C NL 177269C NL 7209792 A NL7209792 A NL 7209792A NL 177269 C NL177269 C NL 177269C
Authority
NL
Netherlands
Prior art keywords
coupling device
mode coupling
leveling system
leveling
mode
Prior art date
Application number
NLAANVRAGE7209792,A
Other languages
English (en)
Other versions
NL7209792A (nl
NL177269B (nl
Original Assignee
Ant Nachrichtentech
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 Ant Nachrichtentech filed Critical Ant Nachrichtentech
Publication of NL7209792A publication Critical patent/NL7209792A/xx
Publication of NL177269B publication Critical patent/NL177269B/nl
Application granted granted Critical
Publication of NL177269C publication Critical patent/NL177269C/nl

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 NL7209792A (nl) 1973-01-18
NL177269B NL177269B (nl) 1985-03-18
NL177269C true 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 (nl)
CA (1) CA993531A (nl)
CH (1) CH538763A (nl)
DE (1) DE2135611C2 (nl)
FR (1) FR2146282B3 (nl)
GB (1) GB1403747A (nl)
NL (1) NL177269C (nl)

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
DE2135611C2 (de) 1975-02-06
NL7209792A (nl) 1973-01-18
NL177269B (nl) 1985-03-18
DE2135611B1 (de) 1972-11-16
GB1403747A (en) 1975-08-28
CA993531A (en) 1976-07-20
FR2146282A1 (nl) 1973-03-02
FR2146282B3 (nl) 1975-09-05
CH538763A (de) 1973-06-30
JPS5132559B1 (nl) 1976-09-13

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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