NL7600883A - Spiraalantenne. - Google Patents

Spiraalantenne.

Info

Publication number
NL7600883A
NL7600883A NL7600883A NL7600883A NL7600883A NL 7600883 A NL7600883 A NL 7600883A NL 7600883 A NL7600883 A NL 7600883A NL 7600883 A NL7600883 A NL 7600883A NL 7600883 A NL7600883 A NL 7600883A
Authority
NL
Netherlands
Prior art keywords
spiral antenna
antenna
spiral
Prior art date
Application number
NL7600883A
Other languages
English (en)
Original Assignee
Abreu Joao Do Espirito Santo
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 Abreu Joao Do Espirito Santo filed Critical Abreu Joao Do Espirito Santo
Publication of NL7600883A publication Critical patent/NL7600883A/nl

Links

Classifications

    • 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
NL7600883A 1975-01-29 1976-01-28 Spiraalantenne. NL7600883A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR557/75A BR7500557A (pt) 1975-01-29 1975-01-29 Aperfeicoamentos em e referente a antena do tipo helicoidal

Publications (1)

Publication Number Publication Date
NL7600883A true NL7600883A (nl) 1976-08-02

Family

ID=3992781

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7600883A NL7600883A (nl) 1975-01-29 1976-01-28 Spiraalantenne.

Country Status (7)

Country Link
US (1) US4051481A (nl)
JP (1) JPS51126024A (nl)
BR (1) BR7500557A (nl)
CA (1) CA1067995A (nl)
EG (1) EG13207A (nl)
FR (1) FR2299739A1 (nl)
NL (1) NL7600883A (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5376729A (en) * 1976-12-20 1978-07-07 Tokyo Keiki Kk Spiral antenna unit
US4559539A (en) * 1983-07-18 1985-12-17 American Electronic Laboratories, Inc. Spiral antenna deformed to receive another antenna
CA2061743C (en) * 1992-02-24 1996-05-14 Peter Charles Strickland End loaded helix antenna
JP2715882B2 (ja) * 1993-12-28 1998-02-18 日本電気株式会社 ヘリカルアンテナ
CA2139198C (en) * 1993-12-28 1998-08-18 Norihiko Ohmuro Broad conical-mode helical antenna

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB430548A (en) * 1934-06-28 1935-06-20 Baxendale And Company Ltd Improvements in wireless or radio aerials
FR810325A (fr) * 1935-12-10 1937-03-19 Cablerie E Charbonnet Antenne verticale spiralée pour télégraphie, téléphonie sans fil ou télévision
US2958081A (en) * 1959-06-30 1960-10-25 Univ Illinois Unidirectional broadband antenna comprising modified balanced equiangular spiral
US3629937A (en) * 1966-11-14 1971-12-28 Chevron Res Method of forming a helical antenna
US3509578A (en) * 1967-06-21 1970-04-28 Nasa Weatherproof helix antenna
US3564553A (en) * 1967-11-08 1971-02-16 North American Rockwell Airborne transmitting antenna
US3683393A (en) * 1970-07-06 1972-08-08 Electrotec Corp Helical dipole antenna
US3778839A (en) * 1971-07-30 1973-12-11 Hallicrafters Co Double ridged wave guide feed for signal antenna
US3836979A (en) * 1973-12-14 1974-09-17 Trw Inc Lightweight deployable helical antenna

Also Published As

Publication number Publication date
CA1067995A (en) 1979-12-11
AU1066376A (en) 1977-08-04
US4051481A (en) 1977-09-27
JPS51126024A (en) 1976-11-02
BR7500557A (pt) 1975-12-16
EG13207A (en) 1980-10-31
FR2299739A1 (fr) 1976-08-27

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Legal Events

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