FR2449978A1 - Antenne pour hyperfrequences pour vehicules automobiles - Google Patents

Antenne pour hyperfrequences pour vehicules automobiles

Info

Publication number
FR2449978A1
FR2449978A1 FR8003679A FR8003679A FR2449978A1 FR 2449978 A1 FR2449978 A1 FR 2449978A1 FR 8003679 A FR8003679 A FR 8003679A FR 8003679 A FR8003679 A FR 8003679A FR 2449978 A1 FR2449978 A1 FR 2449978A1
Authority
FR
France
Prior art keywords
antenna
switches
loop
whole
motor driven
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR8003679A
Other languages
English (en)
French (fr)
Other versions
FR2449978B1 (enrdf_load_html_response
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Publication of FR2449978A1 publication Critical patent/FR2449978A1/fr
Application granted granted Critical
Publication of FR2449978B1 publication Critical patent/FR2449978B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
FR8003679A 1979-02-24 1980-02-20 Antenne pour hyperfrequences pour vehicules automobiles Granted FR2449978A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7906629 1979-02-24

Publications (2)

Publication Number Publication Date
FR2449978A1 true FR2449978A1 (fr) 1980-09-19
FR2449978B1 FR2449978B1 (enrdf_load_html_response) 1984-02-24

Family

ID=10503422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003679A Granted FR2449978A1 (fr) 1979-02-24 1980-02-20 Antenne pour hyperfrequences pour vehicules automobiles

Country Status (2)

Country Link
FR (1) FR2449978A1 (enrdf_load_html_response)
IN (1) IN152282B (enrdf_load_html_response)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875443A (en) * 1954-06-21 1959-02-24 Itt Antenna
US3513473A (en) * 1968-03-14 1970-05-19 Avco Corp Inductively loaded capacitive antenna
US3771157A (en) * 1972-07-03 1973-11-06 Lockheed Aircraft Corp Ferrite broadband semi-notch antenna
US3838429A (en) * 1973-08-03 1974-09-24 Us Army Miniaturized transmission line top loaded monopole antenna
US3852759A (en) * 1960-04-01 1974-12-03 Itt Broadband tunable antenna

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875443A (en) * 1954-06-21 1959-02-24 Itt Antenna
US3852759A (en) * 1960-04-01 1974-12-03 Itt Broadband tunable antenna
US3513473A (en) * 1968-03-14 1970-05-19 Avco Corp Inductively loaded capacitive antenna
US3771157A (en) * 1972-07-03 1973-11-06 Lockheed Aircraft Corp Ferrite broadband semi-notch antenna
US3838429A (en) * 1973-08-03 1974-09-24 Us Army Miniaturized transmission line top loaded monopole antenna

Also Published As

Publication number Publication date
IN152282B (enrdf_load_html_response) 1983-12-10
FR2449978B1 (enrdf_load_html_response) 1984-02-24

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse