FR2091927A1 - - Google Patents

Info

Publication number
FR2091927A1
FR2091927A1 FR7016527A FR7016527A FR2091927A1 FR 2091927 A1 FR2091927 A1 FR 2091927A1 FR 7016527 A FR7016527 A FR 7016527A FR 7016527 A FR7016527 A FR 7016527A FR 2091927 A1 FR2091927 A1 FR 2091927A1
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.)
Granted
Application number
FR7016527A
Other languages
French (fr)
Other versions
FR2091927B1 (OSRAM
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.)
Thales SA
Original Assignee
Dassault Electronique SA
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 Dassault Electronique SA filed Critical Dassault Electronique SA
Priority to FR7016527A priority Critical patent/FR2091927B1/fr
Publication of FR2091927A1 publication Critical patent/FR2091927A1/fr
Application granted granted Critical
Publication of FR2091927B1 publication Critical patent/FR2091927B1/fr
Expired legal-status Critical Current

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
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
FR7016527A 1970-05-06 1970-05-06 Expired FR2091927B1 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7016527A FR2091927B1 (OSRAM) 1970-05-06 1970-05-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7016527A FR2091927B1 (OSRAM) 1970-05-06 1970-05-06

Publications (2)

Publication Number Publication Date
FR2091927A1 true FR2091927A1 (OSRAM) 1971-01-21
FR2091927B1 FR2091927B1 (OSRAM) 1974-03-15

Family

ID=9055158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016527A Expired FR2091927B1 (OSRAM) 1970-05-06 1970-05-06

Country Status (1)

Country Link
FR (1) FR2091927B1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997042682A3 (en) * 1996-05-07 1997-12-11 Leo One Ip L L C Multi-band concentric helical antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611868A (en) * 1949-11-15 1952-09-23 Arthur E Marston Broadband helical antenna
US2953786A (en) * 1958-06-04 1960-09-20 Gen Electric Antenna for polarized propagation
US2993204A (en) * 1958-02-28 1961-07-18 Itt Two-band helical antenna

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611868A (en) * 1949-11-15 1952-09-23 Arthur E Marston Broadband helical antenna
US2993204A (en) * 1958-02-28 1961-07-18 Itt Two-band helical antenna
US2953786A (en) * 1958-06-04 1960-09-20 Gen Electric Antenna for polarized propagation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997042682A3 (en) * 1996-05-07 1997-12-11 Leo One Ip L L C Multi-band concentric helical antenna
US5986619A (en) * 1996-05-07 1999-11-16 Leo One Ip, L.L.C. Multi-band concentric helical antenna

Also Published As

Publication number Publication date
FR2091927B1 (OSRAM) 1974-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse