FR2329082B1 - - Google Patents

Info

Publication number
FR2329082B1
FR2329082B1 FR7632068A FR7632068A FR2329082B1 FR 2329082 B1 FR2329082 B1 FR 2329082B1 FR 7632068 A FR7632068 A FR 7632068A FR 7632068 A FR7632068 A FR 7632068A FR 2329082 B1 FR2329082 B1 FR 2329082B1
Authority
FR
France
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.)
Expired
Application number
FR7632068A
Other languages
French (fr)
Other versions
FR2329082A1 (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2329082A1 publication Critical patent/FR2329082A1/en
Application granted granted Critical
Publication of FR2329082B1 publication Critical patent/FR2329082B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10Resonant slot antennas
    • H01Q13/103Resonant slot antennas with variable reactance for tuning the antenna
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
FR7632068A 1975-10-25 1976-10-25 Multi-channel feed system for notch aerials - consists of open ended slot shunted by tuning capacitor with conducitng rods parallel to slot sides Granted FR2329082A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752547888 DE2547888A1 (en) 1975-10-25 1975-10-25 VERTICAL FEEDING FOR NOTCHANTENNAS

Publications (2)

Publication Number Publication Date
FR2329082A1 FR2329082A1 (en) 1977-05-20
FR2329082B1 true FR2329082B1 (en) 1981-08-14

Family

ID=5960119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7632068A Granted FR2329082A1 (en) 1975-10-25 1976-10-25 Multi-channel feed system for notch aerials - consists of open ended slot shunted by tuning capacitor with conducitng rods parallel to slot sides

Country Status (2)

Country Link
DE (1) DE2547888A1 (en)
FR (1) FR2329082A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753661A1 (en) * 1977-12-02 1979-06-07 Philips Patentverwaltung Notch aerial with two orthogonal excitation elements - formed as recesses and/or frames with one supplied directly and other via phase adjuster
US6198446B1 (en) 1999-01-19 2001-03-06 Trw Inc. Dual-feed system for a multifunction, conformal, loadearing structure excitation antenna

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794184A (en) * 1953-07-21 1957-05-28 Rca Corp Multiple resonant slot antenna

Also Published As

Publication number Publication date
DE2547888A1 (en) 1977-04-28
FR2329082A1 (en) 1977-05-20

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Legal Events

Date Code Title Description
ST Notification of lapse