NL8004777A - Antenneinstallatie. - Google Patents

Antenneinstallatie. Download PDF

Info

Publication number
NL8004777A
NL8004777A NL8004777A NL8004777A NL8004777A NL 8004777 A NL8004777 A NL 8004777A NL 8004777 A NL8004777 A NL 8004777A NL 8004777 A NL8004777 A NL 8004777A NL 8004777 A NL8004777 A NL 8004777A
Authority
NL
Netherlands
Prior art keywords
antenna installation
rings
tunnels
electrically conductive
radiation element
Prior art date
Application number
NL8004777A
Other languages
English (en)
Dutch (nl)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NL8004777A publication Critical patent/NL8004777A/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL8004777A 1979-08-24 1980-08-22 Antenneinstallatie. NL8004777A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT570379A AT379470B (de) 1979-08-24 1979-08-24 Antenne zur funkversorgung von tunelln
AT570379 1979-08-24

Publications (1)

Publication Number Publication Date
NL8004777A true NL8004777A (nl) 1981-02-26

Family

ID=3578723

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8004777A NL8004777A (nl) 1979-08-24 1980-08-22 Antenneinstallatie.

Country Status (4)

Country Link
AT (1) AT379470B (el)
CH (1) CH655410B (el)
DE (1) DE2948953C2 (el)
NL (1) NL8004777A (el)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959929A (el) * 1946-07-31 1950-04-07
GB1471885A (en) * 1973-05-23 1977-04-27 Communications Patents Ltd Leaky cable communication systems
AT353325B (de) * 1977-07-27 1979-11-12 Siemens Ag Oesterreich Anordnung zur uebertragung von funksignalen

Also Published As

Publication number Publication date
DE2948953A1 (de) 1981-03-26
AT379470B (de) 1986-01-10
DE2948953C2 (de) 1982-10-21
ATA570379A (de) 1985-05-15
CH655410B (el) 1986-04-15

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed